Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (37 commits)
  MIPS: O32: Provide definition of registers ta0 .. ta3.
  MIPS: perf: Add Octeon support for hardware perf.
  MIPS: perf: Add support for 64-bit perf counters.
  MIPS: perf: Reorganize contents of perf support files.
  MIPS: perf: Cleanup formatting in arch/mips/kernel/perf_event.c
  MIPS: Add accessor macros for 64-bit performance counter registers.
  MIPS: Add probes for more Octeon II CPUs.
  MIPS: Add more CPU identifiers for Octeon II CPUs.
  MIPS: XLR, XLS: Add comment for smp setup
  MIPS: JZ4740: GPIO: Check correct IRQ in demux handler
  MIPS: JZ4740: GPIO: Simplify IRQ demuxer
  MIPS: JZ4740: Use generic irq chip
  MIPS: Alchemy: remove all CONFIG_SOC_AU1??? defines
  MIPS: Alchemy: kill au1xxx.h header
  MIPS: Alchemy: clean DMA code of CONFIG_SOC_AU1??? defines
  MIPS, IDE: Alchem, au1xxx-ide: Remove pb1200/db1200 header dep
  MIPS: Alchemy: Redo PCI as platform driver
  MIPS: Alchemy: more base address cleanup
  MIPS: Alchemy: rewrite USB platform setup.
  MIPS: Alchemy: abstract USB block control register access
  ...

Fix up trivial conflicts in:
	arch/mips/alchemy/devboards/db1x00/platform.c
	drivers/ide/Kconfig
	drivers/mmc/host/au1xmmc.c
	drivers/video/Kconfig
	sound/mips/Kconfig

72 files changed, 3050 insertions, 2850 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4cbc6d8de210..62b9677c39a1 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -47,6 +47,8 @@ config MIPS_ALCHEMY
 	select GENERIC_GPIO
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select SYS_SUPPORTS_ZBOOT
+	select USB_ARCH_HAS_OHCI
+	select USB_ARCH_HAS_EHCI
 
 config AR7
 	bool "Texas Instruments AR7"
@@ -206,6 +208,7 @@ config MACH_JZ4740
 	select SYS_HAS_EARLY_PRINTK
 	select HAVE_PWM
 	select HAVE_CLK
+	select GENERIC_IRQ_CHIP
 
 config LANTIQ
 	bool "Lantiq based platforms"
@@ -2092,7 +2095,7 @@ config NODES_SHIFT
 
 config HW_PERF_EVENTS
 	bool "Enable hardware performance counter support for perf events"
-	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
+	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON)
 	default y
 	help
 	  Enable hardware performance counter support for perf events. If
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 53e3514ba10e..9b4cb00407d7 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -226,7 +226,7 @@ LDFLAGS			+= -m $(ld-emul)
 ifdef CONFIG_MIPS
 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
 	egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
-	sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
+	sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/")
 ifdef CONFIG_64BIT
 CHECKFLAGS		+= -m64
 endif
@@ -295,7 +295,9 @@ endif
 
 install:
 	$(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
+ifdef CONFIG_SYS_SUPPORTS_ZBOOT
 	$(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
+endif
 	$(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
 	$(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
 
diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 2ccfd4a135bc..2a68be6a1b97 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -18,20 +18,20 @@ config MIPS_MTX1
 	bool "4G Systems MTX-1 board"
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
-	select SOC_AU1500
+	select ALCHEMY_GPIOINT_AU1000
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
 config MIPS_BOSPORUS
 	bool "Alchemy Bosporus board"
-	select SOC_AU1500
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
 config MIPS_DB1000
 	bool "Alchemy DB1000 board"
-	select SOC_AU1000
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -39,14 +39,14 @@ config MIPS_DB1000
 
 config MIPS_DB1100
 	bool "Alchemy DB1100 board"
-	select SOC_AU1100
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
 config MIPS_DB1200
 	bool "Alchemy DB1200 board"
-	select SOC_AU1200
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_COHERENT
 	select MIPS_DISABLE_OBSOLETE_IDE
 	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -54,7 +54,7 @@ config MIPS_DB1200
 
 config MIPS_DB1500
 	bool "Alchemy DB1500 board"
-	select SOC_AU1500
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select MIPS_DISABLE_OBSOLETE_IDE
@@ -64,7 +64,7 @@ config MIPS_DB1500
 
 config MIPS_DB1550
 	bool "Alchemy DB1550 board"
-	select SOC_AU1550
+	select ALCHEMY_GPIOINT_AU1000
 	select HW_HAS_PCI
 	select DMA_NONCOHERENT
 	select MIPS_DISABLE_OBSOLETE_IDE
@@ -74,13 +74,13 @@ config MIPS_DB1550
 config MIPS_MIRAGE
 	bool "Alchemy Mirage board"
 	select DMA_NONCOHERENT
-	select SOC_AU1500
+	select ALCHEMY_GPIOINT_AU1000
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
 config MIPS_PB1000
 	bool "Alchemy PB1000 board"
-	select SOC_AU1000
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select SWAP_IO_SPACE
@@ -89,7 +89,7 @@ config MIPS_PB1000
 
 config MIPS_PB1100
 	bool "Alchemy PB1100 board"
-	select SOC_AU1100
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select SWAP_IO_SPACE
@@ -98,7 +98,7 @@ config MIPS_PB1100
 
 config MIPS_PB1200
 	bool "Alchemy PB1200 board"
-	select SOC_AU1200
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select MIPS_DISABLE_OBSOLETE_IDE
 	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -106,7 +106,7 @@ config MIPS_PB1200
 
 config MIPS_PB1500
 	bool "Alchemy PB1500 board"
-	select SOC_AU1500
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -114,7 +114,7 @@ config MIPS_PB1500
 
 config MIPS_PB1550
 	bool "Alchemy PB1550 board"
-	select SOC_AU1550
+	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
 	select MIPS_DISABLE_OBSOLETE_IDE
@@ -124,13 +124,13 @@ config MIPS_PB1550
 config MIPS_XXS1500
 	bool "MyCable XXS1500 board"
 	select DMA_NONCOHERENT
-	select SOC_AU1500
+	select ALCHEMY_GPIOINT_AU1000
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
 config MIPS_GPR
 	bool "Trapeze ITS GPR board"
-	select SOC_AU1550
+	select ALCHEMY_GPIOINT_AU1000
 	select HW_HAS_PCI
 	select DMA_NONCOHERENT
 	select MIPS_DISABLE_OBSOLETE_IDE
@@ -138,23 +138,3 @@ config MIPS_GPR
 	select SYS_HAS_EARLY_PRINTK
 
 endchoice
-
-config SOC_AU1000
-	bool
-	select ALCHEMY_GPIOINT_AU1000
-
-config SOC_AU1100
-	bool
-	select ALCHEMY_GPIOINT_AU1000
-
-config SOC_AU1500
-	bool
-	select ALCHEMY_GPIOINT_AU1000
-
-config SOC_AU1550
-	bool
-	select ALCHEMY_GPIOINT_AU1000
-
-config SOC_AU1200
-	bool
-	select ALCHEMY_GPIOINT_AU1000
diff --git a/arch/mips/alchemy/common/Makefile b/arch/mips/alchemy/common/Makefile
index 27811fe341d6..811ece7b22e3 100644
--- a/arch/mips/alchemy/common/Makefile
+++ b/arch/mips/alchemy/common/Makefile
@@ -12,9 +12,5 @@ obj-$(CONFIG_ALCHEMY_GPIOINT_AU1000) += irq.o
 
 # optional gpiolib support
 ifeq ($(CONFIG_ALCHEMY_GPIO_INDIRECT),)
- ifeq ($(CONFIG_GPIOLIB),y)
-  obj-$(CONFIG_ALCHEMY_GPIOINT_AU1000) += gpiolib-au1000.o
- endif
+ obj-$(CONFIG_GPIOLIB) += gpiolib.o
 endif
-
-obj-$(CONFIG_PCI)		+= pci.o
diff --git a/arch/mips/alchemy/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c
index 3a5abb54d505..0e63ee487d6d 100644
--- a/arch/mips/alchemy/common/dbdma.c
+++ b/arch/mips/alchemy/common/dbdma.c
@@ -40,8 +40,6 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 
-#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
-
 /*
  * The Descriptor Based DMA supports up to 16 channels.
  *
@@ -62,120 +60,96 @@ static dbdma_global_t *dbdma_gptr =
 			(dbdma_global_t *)KSEG1ADDR(AU1550_DBDMA_CONF_PHYS_ADDR);
 static int dbdma_initialized;
 
-static dbdev_tab_t dbdev_tab[] = {
-#ifdef CONFIG_SOC_AU1550
+static dbdev_tab_t *dbdev_tab;
+
+static dbdev_tab_t au1550_dbdev_tab[] __initdata = {
 	/* UARTS */
-	{ DSCR_CMD0_UART0_TX, DEV_FLAGS_OUT, 0, 8, 0x11100004, 0, 0 },
-	{ DSCR_CMD0_UART0_RX, DEV_FLAGS_IN, 0, 8, 0x11100000, 0, 0 },
-	{ DSCR_CMD0_UART3_TX, DEV_FLAGS_OUT, 0, 8, 0x11400004, 0, 0 },
-	{ DSCR_CMD0_UART3_RX, DEV_FLAGS_IN, 0, 8, 0x11400000, 0, 0 },
+	{ AU1550_DSCR_CMD0_UART0_TX, DEV_FLAGS_OUT, 0, 8, 0x11100004, 0, 0 },
+	{ AU1550_DSCR_CMD0_UART0_RX, DEV_FLAGS_IN,  0, 8, 0x11100000, 0, 0 },
+	{ AU1550_DSCR_CMD0_UART3_TX, DEV_FLAGS_OUT, 0, 8, 0x11400004, 0, 0 },
+	{ AU1550_DSCR_CMD0_UART3_RX, DEV_FLAGS_IN,  0, 8, 0x11400000, 0, 0 },
 
 	/* EXT DMA */
-	{ DSCR_CMD0_DMA_REQ0, 0, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_DMA_REQ1, 0, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_DMA_REQ2, 0, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_DMA_REQ3, 0, 0, 0, 0x00000000, 0, 0 },
+	{ AU1550_DSCR_CMD0_DMA_REQ0, 0, 0, 0, 0x00000000, 0, 0 },
+	{ AU1550_DSCR_CMD0_DMA_REQ1, 0, 0, 0, 0x00000000, 0, 0 },
+	{ AU1550_DSCR_CMD0_DMA_REQ2, 0, 0, 0, 0x00000000, 0, 0 },
+	{ AU1550_DSCR_CMD0_DMA_REQ3, 0, 0, 0, 0x00000000, 0, 0 },
 
 	/* USB DEV */
-	{ DSCR_CMD0_USBDEV_RX0, DEV_FLAGS_IN, 4, 8, 0x10200000, 0, 0 },
-	{ DSCR_CMD0_USBDEV_TX0, DEV_FLAGS_OUT, 4, 8, 0x10200004, 0, 0 },
-	{ DSCR_CMD0_USBDEV_TX1, DEV_FLAGS_OUT, 4, 8, 0x10200008, 0, 0 },
-	{ DSCR_CMD0_USBDEV_TX2, DEV_FLAGS_OUT, 4, 8, 0x1020000c, 0, 0 },
-	{ DSCR_CMD0_USBDEV_RX3, DEV_FLAGS_IN, 4, 8, 0x10200010, 0, 0 },
-	{ DSCR_CMD0_USBDEV_RX4, DEV_FLAGS_IN, 4, 8, 0x10200014, 0, 0 },
-
-	/* PSC 0 */
-	{ DSCR_CMD0_PSC0_TX, DEV_FLAGS_OUT, 0, 0, 0x11a0001c, 0, 0 },
-	{ DSCR_CMD0_PSC0_RX, DEV_FLAGS_IN, 0, 0, 0x11a0001c, 0, 0 },
-
-	/* PSC 1 */
-	{ DSCR_CMD0_PSC1_TX, DEV_FLAGS_OUT, 0, 0, 0x11b0001c, 0, 0 },
-	{ DSCR_CMD0_PSC1_RX, DEV_FLAGS_IN, 0, 0, 0x11b0001c, 0, 0 },
-
-	/* PSC 2 */
-	{ DSCR_CMD0_PSC2_TX, DEV_FLAGS_OUT, 0, 0, 0x10a0001c, 0, 0 },
-	{ DSCR_CMD0_PSC2_RX, DEV_FLAGS_IN, 0, 0, 0x10a0001c, 0, 0 },
-
-	/* PSC 3 */
-	{ DSCR_CMD0_PSC3_TX, DEV_FLAGS_OUT, 0, 0, 0x10b0001c, 0, 0 },
-	{ DSCR_CMD0_PSC3_RX, DEV_FLAGS_IN, 0, 0, 0x10b0001c, 0, 0 },
-
-	{ DSCR_CMD0_PCI_WRITE, 0, 0, 0, 0x00000000, 0, 0 },	/* PCI */
-	{ DSCR_CMD0_NAND_FLASH, 0, 0, 0, 0x00000000, 0, 0 },	/* NAND */
+	{ AU1550_DSCR_CMD0_USBDEV_RX0, DEV_FLAGS_IN,  4, 8, 0x10200000, 0, 0 },
+	{ AU1550_DSCR_CMD0_USBDEV_TX0, DEV_FLAGS_OUT, 4, 8, 0x10200004, 0, 0 },
+	{ AU1550_DSCR_CMD0_USBDEV_TX1, DEV_FLAGS_OUT, 4, 8, 0x10200008, 0, 0 },
+	{ AU1550_DSCR_CMD0_USBDEV_TX2, DEV_FLAGS_OUT, 4, 8, 0x1020000c, 0, 0 },
+	{ AU1550_DSCR_CMD0_USBDEV_RX3, DEV_FLAGS_IN,  4, 8, 0x10200010, 0, 0 },
+	{ AU1550_DSCR_CMD0_USBDEV_RX4, DEV_FLAGS_IN,  4, 8, 0x10200014, 0, 0 },
+
+	/* PSCs */
+	{ AU1550_DSCR_CMD0_PSC0_TX, DEV_FLAGS_OUT, 0, 0, 0x11a0001c, 0, 0 },
+	{ AU1550_DSCR_CMD0_PSC0_RX, DEV_FLAGS_IN,  0, 0, 0x11a0001c, 0, 0 },
+	{ AU1550_DSCR_CMD0_PSC1_TX, DEV_FLAGS_OUT, 0, 0, 0x11b0001c, 0, 0 },
+	{ AU1550_DSCR_CMD0_PSC1_RX, DEV_FLAGS_IN,  0, 0, 0x11b0001c, 0, 0 },
+	{ AU1550_DSCR_CMD0_PSC2_TX, DEV_FLAGS_OUT, 0, 0, 0x10a0001c, 0, 0 },
+	{ AU1550_DSCR_CMD0_PSC2_RX, DEV_FLAGS_IN,  0, 0, 0x10a0001c, 0, 0 },
+	{ AU1550_DSCR_CMD0_PSC3_TX, DEV_FLAGS_OUT, 0, 0, 0x10b0001c, 0, 0 },
+	{ AU1550_DSCR_CMD0_PSC3_RX, DEV_FLAGS_IN,  0, 0, 0x10b0001c, 0, 0 },
+
+	{ AU1550_DSCR_CMD0_PCI_WRITE,  0, 0, 0, 0x00000000, 0, 0 },  /* PCI */
+	{ AU1550_DSCR_CMD0_NAND_FLASH, 0, 0, 0, 0x00000000, 0, 0 }, /* NAND */
 
 	/* MAC 0 */
-	{ DSCR_CMD0_MAC0_RX, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_MAC0_TX, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
+	{ AU1550_DSCR_CMD0_MAC0_RX, DEV_FLAGS_IN,  0, 0, 0x00000000, 0, 0 },
+	{ AU1550_DSCR_CMD0_MAC0_TX, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
 
 	/* MAC 1 */
-	{ DSCR_CMD0_MAC1_RX, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_MAC1_TX, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
-
-#endif /* CONFIG_SOC_AU1550 */
+	{ AU1550_DSCR_CMD0_MAC1_RX, DEV_FLAGS_IN,  0, 0, 0x00000000, 0, 0 },
+	{ AU1550_DSCR_CMD0_MAC1_TX, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
 
-#ifdef CONFIG_SOC_AU1200
-	{ DSCR_CMD0_UART0_TX, DEV_FLAGS_OUT, 0, 8, 0x11100004, 0, 0 },
-	{ DSCR_CMD0_UART0_RX, DEV_FLAGS_IN, 0, 8, 0x11100000, 0, 0 },
-	{ DSCR_CMD0_UART1_TX, DEV_FLAGS_OUT, 0, 8, 0x11200004, 0, 0 },
-	{ DSCR_CMD0_UART1_RX, DEV_FLAGS_IN, 0, 8, 0x11200000, 0, 0 },
-
-	{ DSCR_CMD0_DMA_REQ0, 0, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_DMA_REQ1, 0, 0, 0, 0x00000000, 0, 0 },
+	{ DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ DSCR_CMD0_ALWAYS,   DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+};
 
-	{ DSCR_CMD0_MAE_BE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_MAE_FE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_MAE_BOTH, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_LCD, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+static dbdev_tab_t au1200_dbdev_tab[] __initdata = {
+	{ AU1200_DSCR_CMD0_UART0_TX, DEV_FLAGS_OUT, 0, 8, 0x11100004, 0, 0 },
+	{ AU1200_DSCR_CMD0_UART0_RX, DEV_FLAGS_IN,  0, 8, 0x11100000, 0, 0 },
+	{ AU1200_DSCR_CMD0_UART1_TX, DEV_FLAGS_OUT, 0, 8, 0x11200004, 0, 0 },
+	{ AU1200_DSCR_CMD0_UART1_RX, DEV_FLAGS_IN,  0, 8, 0x11200000, 0, 0 },
 
-	{ DSCR_CMD0_SDMS_TX0, DEV_FLAGS_OUT, 4, 8, 0x10600000, 0, 0 },
-	{ DSCR_CMD0_SDMS_RX0, DEV_FLAGS_IN, 4, 8, 0x10600004, 0, 0 },
-	{ DSCR_CMD0_SDMS_TX1, DEV_FLAGS_OUT, 4, 8, 0x10680000, 0, 0 },
-	{ DSCR_CMD0_SDMS_RX1, DEV_FLAGS_IN, 4, 8, 0x10680004, 0, 0 },
+	{ AU1200_DSCR_CMD0_DMA_REQ0, 0, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_DMA_REQ1, 0, 0, 0, 0x00000000, 0, 0 },
 
-	{ DSCR_CMD0_AES_RX, DEV_FLAGS_IN , 4, 32, 0x10300008, 0, 0 },
-	{ DSCR_CMD0_AES_TX, DEV_FLAGS_OUT, 4, 32, 0x10300004, 0, 0 },
+	{ AU1200_DSCR_CMD0_MAE_BE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_MAE_FE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_MAE_BOTH, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_LCD, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 
-	{ DSCR_CMD0_PSC0_TX, DEV_FLAGS_OUT, 0, 16, 0x11a0001c, 0, 0 },
-	{ DSCR_CMD0_PSC0_RX, DEV_FLAGS_IN, 0, 16, 0x11a0001c, 0, 0 },
-	{ DSCR_CMD0_PSC0_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_SDMS_TX0, DEV_FLAGS_OUT, 4, 8, 0x10600000, 0, 0 },
+	{ AU1200_DSCR_CMD0_SDMS_RX0, DEV_FLAGS_IN,  4, 8, 0x10600004, 0, 0 },
+	{ AU1200_DSCR_CMD0_SDMS_TX1, DEV_FLAGS_OUT, 4, 8, 0x10680000, 0, 0 },
+	{ AU1200_DSCR_CMD0_SDMS_RX1, DEV_FLAGS_IN,  4, 8, 0x10680004, 0, 0 },
 
-	{ DSCR_CMD0_PSC1_TX, DEV_FLAGS_OUT, 0, 16, 0x11b0001c, 0, 0 },
-	{ DSCR_CMD0_PSC1_RX, DEV_FLAGS_IN, 0, 16, 0x11b0001c, 0, 0 },
-	{ DSCR_CMD0_PSC1_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_AES_RX, DEV_FLAGS_IN , 4, 32, 0x10300008, 0, 0 },
+	{ AU1200_DSCR_CMD0_AES_TX, DEV_FLAGS_OUT, 4, 32, 0x10300004, 0, 0 },
 
-	{ DSCR_CMD0_CIM_RXA, DEV_FLAGS_IN, 0, 32, 0x14004020, 0, 0 },
-	{ DSCR_CMD0_CIM_RXB, DEV_FLAGS_IN, 0, 32, 0x14004040, 0, 0 },
-	{ DSCR_CMD0_CIM_RXC, DEV_FLAGS_IN, 0, 32, 0x14004060, 0, 0 },
-	{ DSCR_CMD0_CIM_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_PSC0_TX,   DEV_FLAGS_OUT, 0, 16, 0x11a0001c, 0, 0 },
+	{ AU1200_DSCR_CMD0_PSC0_RX,   DEV_FLAGS_IN,  0, 16, 0x11a0001c, 0, 0 },
+	{ AU1200_DSCR_CMD0_PSC0_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_PSC1_TX,   DEV_FLAGS_OUT, 0, 16, 0x11b0001c, 0, 0 },
+	{ AU1200_DSCR_CMD0_PSC1_RX,   DEV_FLAGS_IN,  0, 16, 0x11b0001c, 0, 0 },
+	{ AU1200_DSCR_CMD0_PSC1_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 
-	{ DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
+	{ AU1200_DSCR_CMD0_CIM_RXA,  DEV_FLAGS_IN, 0, 32, 0x14004020, 0, 0 },
+	{ AU1200_DSCR_CMD0_CIM_RXB,  DEV_FLAGS_IN, 0, 32, 0x14004040, 0, 0 },
+	{ AU1200_DSCR_CMD0_CIM_RXC,  DEV_FLAGS_IN, 0, 32, 0x14004060, 0, 0 },
+	{ AU1200_DSCR_CMD0_CIM_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 
-#endif /* CONFIG_SOC_AU1200 */
+	{ AU1200_DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
 
 	{ DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
-	{ DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
-
-	/* Provide 16 user definable device types */
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
-	{ ~0, 0, 0, 0, 0, 0, 0 },
+	{ DSCR_CMD0_ALWAYS,   DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
 };
 
-#define DBDEV_TAB_SIZE	ARRAY_SIZE(dbdev_tab)
-
+/* 32 predefined plus 32 custom */
+#define DBDEV_TAB_SIZE		64
 
 static chan_tab_t *chan_tab_ptr[NUM_DBDMA_CHANS];
 
@@ -1028,38 +1002,43 @@ static struct syscore_ops alchemy_dbdma_syscore_ops = {
 	.resume		= alchemy_dbdma_resume,
 };
 
-static int __init au1xxx_dbdma_init(void)
+static int __init dbdma_setup(unsigned int irq, dbdev_tab_t *idtable)
 {
-	int irq_nr, ret;
+	int ret;
+
+	dbdev_tab = kzalloc(sizeof(dbdev_tab_t) * DBDEV_TAB_SIZE, GFP_KERNEL);
+	if (!dbdev_tab)
+		return -ENOMEM;
+
+	memcpy(dbdev_tab, idtable, 32 * sizeof(dbdev_tab_t));
+	for (ret = 32; ret < DBDEV_TAB_SIZE; ret++)
+		dbdev_tab[ret].dev_id = ~0;
 
 	dbdma_gptr->ddma_config = 0;
 	dbdma_gptr->ddma_throttle = 0;
 	dbdma_gptr->ddma_inten = 0xffff;
 	au_sync();
 
-	switch (alchemy_get_cputype()) {
-	case ALCHEMY_CPU_AU1550:
-		irq_nr = AU1550_DDMA_INT;
-		break;
-	case ALCHEMY_CPU_AU1200:
-		irq_nr = AU1200_DDMA_INT;
-		break;
-	default:
-		return -ENODEV;
-	}
-
-	ret = request_irq(irq_nr, dbdma_interrupt, IRQF_DISABLED,
-			"Au1xxx dbdma", (void *)dbdma_gptr);
+	ret = request_irq(irq, dbdma_interrupt, IRQF_DISABLED, "dbdma",
+			  (void *)dbdma_gptr);
 	if (ret)
 		printk(KERN_ERR "Cannot grab DBDMA interrupt!\n");
 	else {
 		dbdma_initialized = 1;
-		printk(KERN_INFO "Alchemy DBDMA initialized\n");
 		register_syscore_ops(&alchemy_dbdma_syscore_ops);
 	}
 
 	return ret;
 }
-subsys_initcall(au1xxx_dbdma_init);
 
-#endif /* defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200) */
+static int __init alchemy_dbdma_init(void)
+{
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1550:
+		return dbdma_setup(AU1550_DDMA_INT, au1550_dbdev_tab);
+	case ALCHEMY_CPU_AU1200:
+		return dbdma_setup(AU1200_DDMA_INT, au1200_dbdev_tab);
+	}
+	return 0;
+}
+subsys_initcall(alchemy_dbdma_init);
diff --git a/arch/mips/alchemy/common/dma.c b/arch/mips/alchemy/common/dma.c
index 347980e79a89..9b624e2c0fcf 100644
--- a/arch/mips/alchemy/common/dma.c
+++ b/arch/mips/alchemy/common/dma.c
@@ -40,8 +40,6 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1000_dma.h>
 
-#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || \
-    defined(CONFIG_SOC_AU1100)
 /*
  * A note on resource allocation:
  *
@@ -88,12 +86,12 @@ static const struct dma_dev {
 	{ AU1000_AC97_PHYS_ADDR + 0x08, DMA_DW16 | DMA_DR },	/* AC97 RX c */
 	{ AU1000_UART3_PHYS_ADDR + 0x04, DMA_DW8 | DMA_NC },	/* UART3_TX */
 	{ AU1000_UART3_PHYS_ADDR + 0x00, DMA_DW8 | DMA_NC | DMA_DR }, /* UART3_RX */
-	{ AU1000_USBD_PHYS_ADDR + 0x00, DMA_DW8 | DMA_NC | DMA_DR }, /* EP0RD */
-	{ AU1000_USBD_PHYS_ADDR + 0x04, DMA_DW8 | DMA_NC }, /* EP0WR */
-	{ AU1000_USBD_PHYS_ADDR + 0x08, DMA_DW8 | DMA_NC }, /* EP2WR */
-	{ AU1000_USBD_PHYS_ADDR + 0x0c, DMA_DW8 | DMA_NC }, /* EP3WR */
-	{ AU1000_USBD_PHYS_ADDR + 0x10, DMA_DW8 | DMA_NC | DMA_DR }, /* EP4RD */
-	{ AU1000_USBD_PHYS_ADDR + 0x14, DMA_DW8 | DMA_NC | DMA_DR }, /* EP5RD */
+	{ AU1000_USB_UDC_PHYS_ADDR + 0x00, DMA_DW8 | DMA_NC | DMA_DR }, /* EP0RD */
+	{ AU1000_USB_UDC_PHYS_ADDR + 0x04, DMA_DW8 | DMA_NC }, /* EP0WR */
+	{ AU1000_USB_UDC_PHYS_ADDR + 0x08, DMA_DW8 | DMA_NC }, /* EP2WR */
+	{ AU1000_USB_UDC_PHYS_ADDR + 0x0c, DMA_DW8 | DMA_NC }, /* EP3WR */
+	{ AU1000_USB_UDC_PHYS_ADDR + 0x10, DMA_DW8 | DMA_NC | DMA_DR }, /* EP4RD */
+	{ AU1000_USB_UDC_PHYS_ADDR + 0x14, DMA_DW8 | DMA_NC | DMA_DR }, /* EP5RD */
 	/* on Au1500, these 2 are DMA_REQ2/3 (GPIO208/209) instead! */
 	{ AU1000_I2S_PHYS_ADDR + 0x00, DMA_DW32 | DMA_NC},	/* I2S TX */
 	{ AU1000_I2S_PHYS_ADDR + 0x00, DMA_DW32 | DMA_NC | DMA_DR}, /* I2S RX */
@@ -170,13 +168,13 @@ int request_au1000_dma(int dev_id, const char *dev_str,
 	const struct dma_dev *dev;
 	int i, ret;
 
-#if defined(CONFIG_SOC_AU1100)
-	if (dev_id < 0 || dev_id >= (DMA_NUM_DEV + DMA_NUM_DEV_BANK2))
-		return -EINVAL;
-#else
-	if (dev_id < 0 || dev_id >= DMA_NUM_DEV)
-		return -EINVAL;
-#endif
+	if (alchemy_get_cputype() == ALCHEMY_CPU_AU1100) {
+		if (dev_id < 0 || dev_id >= (DMA_NUM_DEV + DMA_NUM_DEV_BANK2))
+			return -EINVAL;
+	} else {
+		if (dev_id < 0 || dev_id >= DMA_NUM_DEV)
+			return -EINVAL;
+	}
 
 	for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++)
 		if (au1000_dma_table[i].dev_id < 0)
@@ -239,30 +237,28 @@ EXPORT_SYMBOL(free_au1000_dma);
 
 static int __init au1000_dma_init(void)
 {
-        int base, i;
-
-        switch (alchemy_get_cputype()) {
-        case ALCHEMY_CPU_AU1000:
-                base = AU1000_DMA_INT_BASE;
-                break;
-        case ALCHEMY_CPU_AU1500:
-                base = AU1500_DMA_INT_BASE;
-                break;
-        case ALCHEMY_CPU_AU1100:
-                base = AU1100_DMA_INT_BASE;
-                break;
-        default:
-                goto out;
-        }
-
-        for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++)
-                au1000_dma_table[i].irq = base + i;
-
-        printk(KERN_INFO "Alchemy DMA initialized\n");
+	int base, i;
+
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1000:
+		base = AU1000_DMA_INT_BASE;
+		break;
+	case ALCHEMY_CPU_AU1500:
+		base = AU1500_DMA_INT_BASE;
+		break;
+	case ALCHEMY_CPU_AU1100:
+		base = AU1100_DMA_INT_BASE;
+		break;
+	default:
+		goto out;
+	}
+
+	for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++)
+		au1000_dma_table[i].irq = base + i;
+
+	printk(KERN_INFO "Alchemy DMA initialized\n");
 
 out:
-        return 0;
+	return 0;
 }
 arch_initcall(au1000_dma_init);
-
-#endif /* AU1000 AU1500 AU1100 */
diff --git a/arch/mips/alchemy/common/gpiolib-au1000.c b/arch/mips/alchemy/common/gpiolib.c
index c8e1a94d4a95..91fb4d9e30fd 100644
--- a/arch/mips/alchemy/common/gpiolib-au1000.c
+++ b/arch/mips/alchemy/common/gpiolib.c
@@ -1,6 +1,6 @@
 /*
  *  Copyright (C) 2007-2009, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
- *  	GPIOLIB support for Au1000, Au1500, Au1100, Au1550 and Au12x0.
+ *	GPIOLIB support for Alchemy chips.
  *
  *  This program is free software; you can redistribute	 it and/or modify it
  *  under  the terms of	 the GNU General  Public License as published by the
@@ -23,18 +23,18 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  *
  *  Notes :
- * 	au1000 SoC have only one GPIO block : GPIO1
- * 	Au1100, Au15x0, Au12x0 have a second one : GPIO2
+ *	This file must ONLY be built when CONFIG_GPIOLIB=y and
+ *	 CONFIG_ALCHEMY_GPIO_INDIRECT=n, otherwise compilation will fail!
+ *	au1000 SoC have only one GPIO block : GPIO1
+ *	Au1100, Au15x0, Au12x0 have a second one : GPIO2
  */
 
+#include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/platform_device.h>
 #include <linux/gpio.h>
-
-#include <asm/mach-au1x00/au1000.h>
-#include <asm/mach-au1x00/gpio.h>
+#include <asm/mach-au1x00/gpio-au1000.h>
 
 static int gpio2_get(struct gpio_chip *chip, unsigned offset)
 {
@@ -115,12 +115,19 @@ struct gpio_chip alchemy_gpio_chip[] = {
 	},
 };
 
-static int __init alchemy_gpiolib_init(void)
+static int __init alchemy_gpiochip_init(void)
 {
-	gpiochip_add(&alchemy_gpio_chip[0]);
-	if (alchemy_get_cputype() != ALCHEMY_CPU_AU1000)
-		gpiochip_add(&alchemy_gpio_chip[1]);
-
-	return 0;
+	int ret = 0;
+
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1000:
+		ret = gpiochip_add(&alchemy_gpio_chip[0]);
+		break;
+	case ALCHEMY_CPU_AU1500...ALCHEMY_CPU_AU1200:
+		ret = gpiochip_add(&alchemy_gpio_chip[0]);
+		ret |= gpiochip_add(&alchemy_gpio_chip[1]);
+		break;
+	}
+	return ret;
 }
-arch_initcall(alchemy_gpiolib_init);
+arch_initcall(alchemy_gpiochip_init);
diff --git a/arch/mips/alchemy/common/pci.c b/arch/mips/alchemy/common/pci.c
deleted file mode 100644
index 7866cf50cf99..000000000000
--- a/arch/mips/alchemy/common/pci.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- *	Alchemy/AMD Au1x00 PCI support.
- *
- * Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
- * Author: MontaVista Software, Inc. <source@mvista.com>
- *
- * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
- *
- *  Support for all devices (greater than 16) added by David Gathright.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/mach-au1x00/au1000.h>
-
-/* TBD */
-static struct resource pci_io_resource = {
-	.start	= PCI_IO_START,
-	.end	= PCI_IO_END,
-	.name	= "PCI IO space",
-	.flags	= IORESOURCE_IO
-};
-
-static struct resource pci_mem_resource = {
-	.start	= PCI_MEM_START,
-	.end	= PCI_MEM_END,
-	.name	= "PCI memory space",
-	.flags	= IORESOURCE_MEM
-};
-
-extern struct pci_ops au1x_pci_ops;
-
-static struct pci_controller au1x_controller = {
-	.pci_ops	= &au1x_pci_ops,
-	.io_resource	= &pci_io_resource,
-	.mem_resource	= &pci_mem_resource,
-};
-
-#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550)
-static unsigned long virt_io_addr;
-#endif
-
-static int __init au1x_pci_setup(void)
-{
-	extern void au1x_pci_cfg_init(void);
-
-#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550)
-	virt_io_addr = (unsigned long)ioremap(Au1500_PCI_IO_START,
-			Au1500_PCI_IO_END - Au1500_PCI_IO_START + 1);
-
-	if (!virt_io_addr) {
-		printk(KERN_ERR "Unable to ioremap pci space\n");
-		return 1;
-	}
-	au1x_controller.io_map_base = virt_io_addr;
-
-#ifdef CONFIG_DMA_NONCOHERENT
-	{
-		/*
-		 *  Set the NC bit in controller for Au1500 pre-AC silicon
-		 */
-		u32 prid = read_c0_prid();
-
-		if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) {
-			au_writel((1 << 16) | au_readl(Au1500_PCI_CFG),
-				  Au1500_PCI_CFG);
-			printk(KERN_INFO "Non-coherent PCI accesses enabled\n");
-		}
-	}
-#endif
-
-	set_io_port_base(virt_io_addr);
-#endif
-
-	au1x_pci_cfg_init();
-
-	register_pci_controller(&au1x_controller);
-	return 0;
-}
-
-arch_initcall(au1x_pci_setup);
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index f72c48d4804c..c8e5d72a5826 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -18,7 +18,7 @@
 #include <linux/serial_8250.h>
 #include <linux/slab.h>
 
-#include <asm/mach-au1x00/au1xxx.h>
+#include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 #include <asm/mach-au1x00/au1100_mmc.h>
 #include <asm/mach-au1x00/au1xxx_eth.h>
@@ -111,270 +111,87 @@ static void __init alchemy_setup_uarts(int ctype)
 		printk(KERN_INFO "Alchemy: failed to register UARTs\n");
 }
 
-/* OHCI (USB full speed host controller) */
-static struct resource au1xxx_usb_ohci_resources[] = {
-	[0] = {
-		.start		= USB_OHCI_BASE,
-		.end		= USB_OHCI_BASE + USB_OHCI_LEN - 1,
-		.flags		= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start		= FOR_PLATFORM_C_USB_HOST_INT,
-		.end		= FOR_PLATFORM_C_USB_HOST_INT,
-		.flags		= IORESOURCE_IRQ,
-	},
-};
-
-/* The dmamask must be set for OHCI to work */
-static u64 ohci_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1xxx_usb_ohci_device = {
-	.name		= "au1xxx-ohci",
-	.id		= 0,
-	.dev = {
-		.dma_mask		= &ohci_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-	.num_resources	= ARRAY_SIZE(au1xxx_usb_ohci_resources),
-	.resource	= au1xxx_usb_ohci_resources,
-};
-
-/*** AU1100 LCD controller ***/
-
-#ifdef CONFIG_FB_AU1100
-static struct resource au1100_lcd_resources[] = {
-	[0] = {
-		.start          = LCD_PHYS_ADDR,
-		.end            = LCD_PHYS_ADDR + 0x800 - 1,
-		.flags          = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start          = AU1100_LCD_INT,
-		.end            = AU1100_LCD_INT,
-		.flags          = IORESOURCE_IRQ,
-	}
-};
-
-static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1100_lcd_device = {
-	.name           = "au1100-lcd",
-	.id             = 0,
-	.dev = {
-		.dma_mask               = &au1100_lcd_dmamask,
-		.coherent_dma_mask      = DMA_BIT_MASK(32),
-	},
-	.num_resources  = ARRAY_SIZE(au1100_lcd_resources),
-	.resource       = au1100_lcd_resources,
-};
-#endif
-
-#ifdef CONFIG_SOC_AU1200
-/* EHCI (USB high speed host controller) */
-static struct resource au1xxx_usb_ehci_resources[] = {
-	[0] = {
-		.start		= USB_EHCI_BASE,
-		.end		= USB_EHCI_BASE + USB_EHCI_LEN - 1,
-		.flags		= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start		= AU1200_USB_INT,
-		.end		= AU1200_USB_INT,
-		.flags		= IORESOURCE_IRQ,
-	},
-};
-
-static u64 ehci_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1xxx_usb_ehci_device = {
-	.name		= "au1xxx-ehci",
-	.id		= 0,
-	.dev = {
-		.dma_mask		= &ehci_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-	.num_resources	= ARRAY_SIZE(au1xxx_usb_ehci_resources),
-	.resource	= au1xxx_usb_ehci_resources,
-};
-
-/* Au1200 UDC (USB gadget controller) */
-static struct resource au1xxx_usb_gdt_resources[] = {
-	[0] = {
-		.start		= USB_UDC_BASE,
-		.end		= USB_UDC_BASE + USB_UDC_LEN - 1,
-		.flags		= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start		= AU1200_USB_INT,
-		.end		= AU1200_USB_INT,
-		.flags		= IORESOURCE_IRQ,
-	},
-};
-
-static u64 udc_dmamask = DMA_BIT_MASK(32);
 
-static struct platform_device au1xxx_usb_gdt_device = {
-	.name		= "au1xxx-udc",
-	.id		= 0,
-	.dev = {
-		.dma_mask		= &udc_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-	.num_resources	= ARRAY_SIZE(au1xxx_usb_gdt_resources),
-	.resource	= au1xxx_usb_gdt_resources,
-};
+/* The dmamask must be set for OHCI/EHCI to work */
+static u64 alchemy_ohci_dmamask = DMA_BIT_MASK(32);
+static u64 __maybe_unused alchemy_ehci_dmamask = DMA_BIT_MASK(32);
 
-/* Au1200 UOC (USB OTG controller) */
-static struct resource au1xxx_usb_otg_resources[] = {
-	[0] = {
-		.start		= USB_UOC_BASE,
-		.end		= USB_UOC_BASE + USB_UOC_LEN - 1,
-		.flags		= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start		= AU1200_USB_INT,
-		.end		= AU1200_USB_INT,
-		.flags		= IORESOURCE_IRQ,
-	},
+static unsigned long alchemy_ohci_data[][2] __initdata = {
+	[ALCHEMY_CPU_AU1000] = { AU1000_USB_OHCI_PHYS_ADDR, AU1000_USB_HOST_INT },
+	[ALCHEMY_CPU_AU1500] = { AU1000_USB_OHCI_PHYS_ADDR, AU1500_USB_HOST_INT },
+	[ALCHEMY_CPU_AU1100] = { AU1000_USB_OHCI_PHYS_ADDR, AU1100_USB_HOST_INT },
+	[ALCHEMY_CPU_AU1550] = { AU1550_USB_OHCI_PHYS_ADDR, AU1550_USB_HOST_INT },
+	[ALCHEMY_CPU_AU1200] = { AU1200_USB_OHCI_PHYS_ADDR, AU1200_USB_INT },
 };
 
-static u64 uoc_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1xxx_usb_otg_device = {
-	.name		= "au1xxx-uoc",
-	.id		= 0,
-	.dev = {
-		.dma_mask		= &uoc_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-	.num_resources	= ARRAY_SIZE(au1xxx_usb_otg_resources),
-	.resource	= au1xxx_usb_otg_resources,
+static unsigned long alchemy_ehci_data[][2] __initdata = {
+	[ALCHEMY_CPU_AU1200] = { AU1200_USB_EHCI_PHYS_ADDR, AU1200_USB_INT },
 };
 
-static struct resource au1200_lcd_resources[] = {
-	[0] = {
-		.start          = LCD_PHYS_ADDR,
-		.end            = LCD_PHYS_ADDR + 0x800 - 1,
-		.flags          = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start          = AU1200_LCD_INT,
-		.end            = AU1200_LCD_INT,
-		.flags          = IORESOURCE_IRQ,
+static int __init _new_usbres(struct resource **r, struct platform_device **d)
+{
+	*r = kzalloc(sizeof(struct resource) * 2, GFP_KERNEL);
+	if (!*r)
+		return -ENOMEM;
+	*d = kzalloc(sizeof(struct platform_device), GFP_KERNEL);
+	if (!*d) {
+		kfree(*r);
+		return -ENOMEM;
 	}
-};
-
-static u64 au1200_lcd_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1200_lcd_device = {
-	.name           = "au1200-lcd",
-	.id             = 0,
-	.dev = {
-		.dma_mask               = &au1200_lcd_dmamask,
-		.coherent_dma_mask      = DMA_BIT_MASK(32),
-	},
-	.num_resources  = ARRAY_SIZE(au1200_lcd_resources),
-	.resource       = au1200_lcd_resources,
-};
 
-static u64 au1xxx_mmc_dmamask =  DMA_BIT_MASK(32);
+	(*d)->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+	(*d)->num_resources = 2;
+	(*d)->resource = *r;
 
-extern struct au1xmmc_platform_data au1xmmc_platdata[2];
+	return 0;
+}
 
-static struct resource au1200_mmc0_resources[] = {
-	[0] = {
-		.start          = AU1100_SD0_PHYS_ADDR,
-		.end            = AU1100_SD0_PHYS_ADDR + 0xfff,
-		.flags          = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start		= AU1200_SD_INT,
-		.end		= AU1200_SD_INT,
-		.flags		= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start		= DSCR_CMD0_SDMS_TX0,
-		.end		= DSCR_CMD0_SDMS_TX0,
-		.flags		= IORESOURCE_DMA,
-	},
-	[3] = {
-		.start          = DSCR_CMD0_SDMS_RX0,
-		.end		= DSCR_CMD0_SDMS_RX0,
-		.flags          = IORESOURCE_DMA,
-	}
-};
+static void __init alchemy_setup_usb(int ctype)
+{
+	struct resource *res;
+	struct platform_device *pdev;
 
-static struct platform_device au1200_mmc0_device = {
-	.name = "au1xxx-mmc",
-	.id = 0,
-	.dev = {
-		.dma_mask		= &au1xxx_mmc_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-		.platform_data		= &au1xmmc_platdata[0],
-	},
-	.num_resources	= ARRAY_SIZE(au1200_mmc0_resources),
-	.resource	= au1200_mmc0_resources,
-};
+	/* setup OHCI0.  Every variant has one */
+	if (_new_usbres(&res, &pdev))
+		return;
 
-#ifndef CONFIG_MIPS_DB1200
-static struct resource au1200_mmc1_resources[] = {
-	[0] = {
-		.start          = AU1100_SD1_PHYS_ADDR,
-		.end            = AU1100_SD1_PHYS_ADDR + 0xfff,
-		.flags          = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start		= AU1200_SD_INT,
-		.end		= AU1200_SD_INT,
-		.flags		= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start		= DSCR_CMD0_SDMS_TX1,
-		.end		= DSCR_CMD0_SDMS_TX1,
-		.flags		= IORESOURCE_DMA,
-	},
-	[3] = {
-		.start          = DSCR_CMD0_SDMS_RX1,
-		.end		= DSCR_CMD0_SDMS_RX1,
-		.flags          = IORESOURCE_DMA,
+	res[0].start = alchemy_ohci_data[ctype][0];
+	res[0].end = res[0].start + 0x100 - 1;
+	res[0].flags = IORESOURCE_MEM;
+	res[1].start = alchemy_ohci_data[ctype][1];
+	res[1].end = res[1].start;
+	res[1].flags = IORESOURCE_IRQ;
+	pdev->name = "au1xxx-ohci";
+	pdev->id = 0;
+	pdev->dev.dma_mask = &alchemy_ohci_dmamask;
+
+	if (platform_device_register(pdev))
+		printk(KERN_INFO "Alchemy USB: cannot add OHCI0\n");
+
+
+	/* setup EHCI0: Au1200 */
+	if (ctype == ALCHEMY_CPU_AU1200) {
+		if (_new_usbres(&res, &pdev))
+			return;
+
+		res[0].start = alchemy_ehci_data[ctype][0];
+		res[0].end = res[0].start + 0x100 - 1;
+		res[0].flags = IORESOURCE_MEM;
+		res[1].start = alchemy_ehci_data[ctype][1];
+		res[1].end = res[1].start;
+		res[1].flags = IORESOURCE_IRQ;
+		pdev->name = "au1xxx-ehci";
+		pdev->id = 0;
+		pdev->dev.dma_mask = &alchemy_ehci_dmamask;
+
+		if (platform_device_register(pdev))
+			printk(KERN_INFO "Alchemy USB: cannot add EHCI0\n");
 	}
-};
-
-static struct platform_device au1200_mmc1_device = {
-	.name = "au1xxx-mmc",
-	.id = 1,
-	.dev = {
-		.dma_mask		= &au1xxx_mmc_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-		.platform_data		= &au1xmmc_platdata[1],
-	},
-	.num_resources	= ARRAY_SIZE(au1200_mmc1_resources),
-	.resource	= au1200_mmc1_resources,
-};
-#endif /* #ifndef CONFIG_MIPS_DB1200 */
-#endif /* #ifdef CONFIG_SOC_AU1200 */
-
-/* All Alchemy demoboards with I2C have this #define in their headers */
-#ifdef SMBUS_PSC_BASE
-static struct resource pbdb_smbus_resources[] = {
-	{
-		.start	= CPHYSADDR(SMBUS_PSC_BASE),
-		.end	= CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
-		.flags	= IORESOURCE_MEM,
-	},
-};
-
-static struct platform_device pbdb_smbus_device = {
-	.name		= "au1xpsc_smbus",
-	.id		= 0,	/* bus number */
-	.num_resources	= ARRAY_SIZE(pbdb_smbus_resources),
-	.resource	= pbdb_smbus_resources,
-};
-#endif
+}
 
 /* Macro to help defining the Ethernet MAC resources */
-#define MAC_RES_COUNT	3	/* MAC regs base, MAC enable reg, MAC INT */
-#define MAC_RES(_base, _enable, _irq)			\
+#define MAC_RES_COUNT	4	/* MAC regs, MAC en, MAC INT, MACDMA regs */
+#define MAC_RES(_base, _enable, _irq, _macdma)		\
 	{						\
 		.start	= _base,			\
 		.end	= _base + 0xffff,		\
@@ -389,28 +206,37 @@ static struct platform_device pbdb_smbus_device = {
 		.start	= _irq,				\
 		.end	= _irq,				\
 		.flags	= IORESOURCE_IRQ		\
+	},						\
+	{						\
+		.start	= _macdma,			\
+		.end	= _macdma + 0x1ff,		\
+		.flags	= IORESOURCE_MEM,		\
 	}
 
 static struct resource au1xxx_eth0_resources[][MAC_RES_COUNT] __initdata = {
 	[ALCHEMY_CPU_AU1000] = {
 		MAC_RES(AU1000_MAC0_PHYS_ADDR,
 			AU1000_MACEN_PHYS_ADDR,
-			AU1000_MAC0_DMA_INT)
+			AU1000_MAC0_DMA_INT,
+			AU1000_MACDMA0_PHYS_ADDR)
 	},
 	[ALCHEMY_CPU_AU1500] = {
 		MAC_RES(AU1500_MAC0_PHYS_ADDR,
 			AU1500_MACEN_PHYS_ADDR,
-			AU1500_MAC0_DMA_INT)
+			AU1500_MAC0_DMA_INT,
+			AU1000_MACDMA0_PHYS_ADDR)
 	},
 	[ALCHEMY_CPU_AU1100] = {
 		MAC_RES(AU1000_MAC0_PHYS_ADDR,
 			AU1000_MACEN_PHYS_ADDR,
-			AU1100_MAC0_DMA_INT)
+			AU1100_MAC0_DMA_INT,
+			AU1000_MACDMA0_PHYS_ADDR)
 	},
 	[ALCHEMY_CPU_AU1550] = {
 		MAC_RES(AU1000_MAC0_PHYS_ADDR,
 			AU1000_MACEN_PHYS_ADDR,
-			AU1550_MAC0_DMA_INT)
+			AU1550_MAC0_DMA_INT,
+			AU1000_MACDMA0_PHYS_ADDR)
 	},
 };
 
@@ -429,17 +255,20 @@ static struct resource au1xxx_eth1_resources[][MAC_RES_COUNT] __initdata = {
 	[ALCHEMY_CPU_AU1000] = {
 		MAC_RES(AU1000_MAC1_PHYS_ADDR,
 			AU1000_MACEN_PHYS_ADDR + 4,
-			AU1000_MAC1_DMA_INT)
+			AU1000_MAC1_DMA_INT,
+			AU1000_MACDMA1_PHYS_ADDR)
 	},
 	[ALCHEMY_CPU_AU1500] = {
 		MAC_RES(AU1500_MAC1_PHYS_ADDR,
 			AU1500_MACEN_PHYS_ADDR + 4,
-			AU1500_MAC1_DMA_INT)
+			AU1500_MAC1_DMA_INT,
+			AU1000_MACDMA1_PHYS_ADDR)
 	},
 	[ALCHEMY_CPU_AU1550] = {
 		MAC_RES(AU1000_MAC1_PHYS_ADDR,
 			AU1000_MACEN_PHYS_ADDR + 4,
-			AU1550_MAC1_DMA_INT)
+			AU1550_MAC1_DMA_INT,
+			AU1000_MACDMA1_PHYS_ADDR)
 	},
 };
 
@@ -521,36 +350,15 @@ static void __init alchemy_setup_macs(int ctype)
 	}
 }
 
-static struct platform_device *au1xxx_platform_devices[] __initdata = {
-	&au1xxx_usb_ohci_device,
-#ifdef CONFIG_FB_AU1100
-	&au1100_lcd_device,
-#endif
-#ifdef CONFIG_SOC_AU1200
-	&au1xxx_usb_ehci_device,
-	&au1xxx_usb_gdt_device,
-	&au1xxx_usb_otg_device,
-	&au1200_lcd_device,
-	&au1200_mmc0_device,
-#ifndef CONFIG_MIPS_DB1200
-	&au1200_mmc1_device,
-#endif
-#endif
-#ifdef SMBUS_PSC_BASE
-	&pbdb_smbus_device,
-#endif
-};
-
 static int __init au1xxx_platform_init(void)
 {
-	int err, ctype = alchemy_get_cputype();
+	int ctype = alchemy_get_cputype();
 
 	alchemy_setup_uarts(ctype);
 	alchemy_setup_macs(ctype);
+	alchemy_setup_usb(ctype);
 
-	err = platform_add_devices(au1xxx_platform_devices,
-				   ARRAY_SIZE(au1xxx_platform_devices));
-	return err;
+	return 0;
 }
 
 arch_initcall(au1xxx_platform_init);
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index b86324a42601..bdd6651e9a4f 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -37,8 +37,6 @@
 #include <asm/uaccess.h>
 #include <asm/mach-au1x00/au1000.h>
 
-#ifdef CONFIG_PM
-
 /*
  * We need to save/restore a bunch of core registers that are
  * either volatile or reset to some state across a processor sleep.
@@ -49,7 +47,6 @@
  * We only have to save/restore registers that aren't otherwise
  * done as part of a driver pm_* function.
  */
-static unsigned int sleep_usb[2];
 static unsigned int sleep_sys_clocks[5];
 static unsigned int sleep_sys_pinfunc;
 static unsigned int sleep_static_memctlr[4][3];
@@ -57,31 +54,6 @@ static unsigned int sleep_static_memctlr[4][3];
 
 static void save_core_regs(void)
 {
-#ifndef CONFIG_SOC_AU1200
-	/* Shutdown USB host/device. */
-	sleep_usb[0] = au_readl(USB_HOST_CONFIG);
-
-	/* There appears to be some undocumented reset register.... */
-	au_writel(0, 0xb0100004);
-	au_sync();
-	au_writel(0, USB_HOST_CONFIG);
-	au_sync();
-
-	sleep_usb[1] = au_readl(USBD_ENABLE);
-	au_writel(0, USBD_ENABLE);
-	au_sync();
-
-#else	/* AU1200 */
-
-	/* enable access to OTG mmio so we can save OTG CAP/MUX.
-	 * FIXME: write an OTG driver and move this stuff there!
-	 */
-	au_writel(au_readl(USB_MSR_BASE + 4) | (1 << 6), USB_MSR_BASE + 4);
-	au_sync();
-	sleep_usb[0] = au_readl(0xb4020020);	/* OTG_CAP */
-	sleep_usb[1] = au_readl(0xb4020024);	/* OTG_MUX */
-#endif
-
 	/* Clocks and PLLs. */
 	sleep_sys_clocks[0] = au_readl(SYS_FREQCTRL0);
 	sleep_sys_clocks[1] = au_readl(SYS_FREQCTRL1);
@@ -125,22 +97,6 @@ static void restore_core_regs(void)
 	au_writel(sleep_sys_pinfunc, SYS_PINFUNC);
 	au_sync();
 
-#ifndef CONFIG_SOC_AU1200
-	au_writel(sleep_usb[0], USB_HOST_CONFIG);
-	au_writel(sleep_usb[1], USBD_ENABLE);
-	au_sync();
-#else
-	/* enable access to OTG memory */
-	au_writel(au_readl(USB_MSR_BASE + 4) | (1 << 6), USB_MSR_BASE + 4);
-	au_sync();
-
-	/* restore OTG caps and port mux. */
-	au_writel(sleep_usb[0], 0xb4020020 + 0);	/* OTG_CAP */
-	au_sync();
-	au_writel(sleep_usb[1], 0xb4020020 + 4);	/* OTG_MUX */
-	au_sync();
-#endif
-
 	/* Restore the static memory controller configuration. */
 	au_writel(sleep_static_memctlr[0][0], MEM_STCFG0);
 	au_writel(sleep_static_memctlr[0][1], MEM_STTIME0);
@@ -174,5 +130,3 @@ void au_sleep(void)
 
 	restore_core_regs();
 }
-
-#endif	/* CONFIG_PM */
diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c
index 1b887c868417..37ffd997c616 100644
--- a/arch/mips/alchemy/common/setup.c
+++ b/arch/mips/alchemy/common/setup.c
@@ -73,8 +73,8 @@ void __init plat_mem_setup(void)
 /* This routine should be valid for all Au1x based boards */
 phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
 {
-	u32 start = (u32)Au1500_PCI_MEM_START;
-	u32 end   = (u32)Au1500_PCI_MEM_END;
+	unsigned long start = ALCHEMY_PCI_MEMWIN_START;
+	unsigned long end = ALCHEMY_PCI_MEMWIN_END;
 
 	/* Don't fixup 36-bit addresses */
 	if ((phys_addr >> 32) != 0)
@@ -82,7 +82,7 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
 
 	/* Check for PCI memory window */
 	if (phys_addr >= start && (phys_addr + size - 1) <= end)
-		return (phys_t)((phys_addr - start) + Au1500_PCI_MEM_START);
+		return (phys_t)(AU1500_PCI_MEM_PHYS_ADDR + phys_addr);
 
 	/* default nop */
 	return phys_addr;
diff --git a/arch/mips/alchemy/devboards/db1200/platform.c b/arch/mips/alchemy/devboards/db1200/platform.c
index dda090bf74e6..c61867c93c4a 100644
--- a/arch/mips/alchemy/devboards/db1200/platform.c
+++ b/arch/mips/alchemy/devboards/db1200/platform.c
@@ -213,7 +213,12 @@ static struct resource db1200_ide_res[] = {
 		.start	= DB1200_IDE_INT,
 		.end	= DB1200_IDE_INT,
 		.flags	= IORESOURCE_IRQ,
-	}
+	},
+	[2] = {
+		.start	= AU1200_DSCR_CMD0_DMA_REQ1,
+		.end	= AU1200_DSCR_CMD0_DMA_REQ1,
+		.flags	= IORESOURCE_DMA,
+	},
 };
 
 static u64 ide_dmamask = DMA_BIT_MASK(32);
@@ -328,23 +333,85 @@ static struct led_classdev db1200_mmc_led = {
 	.brightness_set	= db1200_mmcled_set,
 };
 
-/* needed by arch/mips/alchemy/common/platform.c */
-struct au1xmmc_platform_data au1xmmc_platdata[] = {
+static struct au1xmmc_platform_data db1200mmc_platdata = {
+	.cd_setup	= db1200_mmc_cd_setup,
+	.set_power	= db1200_mmc_set_power,
+	.card_inserted	= db1200_mmc_card_inserted,
+	.card_readonly	= db1200_mmc_card_readonly,
+	.led		= &db1200_mmc_led,
+};
+
+static struct resource au1200_mmc0_resources[] = {
 	[0] = {
-		.cd_setup	= db1200_mmc_cd_setup,
-		.set_power	= db1200_mmc_set_power,
-		.card_inserted	= db1200_mmc_card_inserted,
-		.card_readonly	= db1200_mmc_card_readonly,
-		.led		= &db1200_mmc_led,
+		.start	= AU1100_SD0_PHYS_ADDR,
+		.end	= AU1100_SD0_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1200_SD_INT,
+		.end	= AU1200_SD_INT,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= AU1200_DSCR_CMD0_SDMS_TX0,
+		.end	= AU1200_DSCR_CMD0_SDMS_TX0,
+		.flags	= IORESOURCE_DMA,
+	},
+	[3] = {
+		.start	= AU1200_DSCR_CMD0_SDMS_RX0,
+		.end	= AU1200_DSCR_CMD0_SDMS_RX0,
+		.flags	= IORESOURCE_DMA,
+	}
+};
+
+static u64 au1xxx_mmc_dmamask =  DMA_BIT_MASK(32);
+
+static struct platform_device db1200_mmc0_dev = {
+	.name		= "au1xxx-mmc",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &au1xxx_mmc_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &db1200mmc_platdata,
+	},
+	.num_resources	= ARRAY_SIZE(au1200_mmc0_resources),
+	.resource	= au1200_mmc0_resources,
+};
+
+/**********************************************************************/
+
+static struct resource au1200_lcd_res[] = {
+	[0] = {
+		.start	= AU1200_LCD_PHYS_ADDR,
+		.end	= AU1200_LCD_PHYS_ADDR + 0x800 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1200_LCD_INT,
+		.end	= AU1200_LCD_INT,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static u64 au1200_lcd_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device au1200_lcd_dev = {
+	.name		= "au1200-lcd",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &au1200_lcd_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
+	.num_resources	= ARRAY_SIZE(au1200_lcd_res),
+	.resource	= au1200_lcd_res,
 };
 
 /**********************************************************************/
 
 static struct resource au1200_psc0_res[] = {
 	[0] = {
-		.start	= PSC0_PHYS_ADDR,
-		.end	= PSC0_PHYS_ADDR + 0x000fffff,
+		.start	= AU1550_PSC0_PHYS_ADDR,
+		.end	= AU1550_PSC0_PHYS_ADDR + 0xfff,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -353,13 +420,13 @@ static struct resource au1200_psc0_res[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[2] = {
-		.start	= DSCR_CMD0_PSC0_TX,
-		.end	= DSCR_CMD0_PSC0_TX,
+		.start	= AU1200_DSCR_CMD0_PSC0_TX,
+		.end	= AU1200_DSCR_CMD0_PSC0_TX,
 		.flags	= IORESOURCE_DMA,
 	},
 	[3] = {
-		.start	= DSCR_CMD0_PSC0_RX,
-		.end	= DSCR_CMD0_PSC0_RX,
+		.start	= AU1200_DSCR_CMD0_PSC0_RX,
+		.end	= AU1200_DSCR_CMD0_PSC0_RX,
 		.flags	= IORESOURCE_DMA,
 	},
 };
@@ -401,8 +468,8 @@ static struct platform_device db1200_spi_dev = {
 
 static struct resource au1200_psc1_res[] = {
 	[0] = {
-		.start	= PSC1_PHYS_ADDR,
-		.end	= PSC1_PHYS_ADDR + 0x000fffff,
+		.start	= AU1550_PSC1_PHYS_ADDR,
+		.end	= AU1550_PSC1_PHYS_ADDR + 0xfff,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
@@ -411,13 +478,13 @@ static struct resource au1200_psc1_res[] = {
 		.flags	= IORESOURCE_IRQ,
 	},
 	[2] = {
-		.start	= DSCR_CMD0_PSC1_TX,
-		.end	= DSCR_CMD0_PSC1_TX,
+		.start	= AU1200_DSCR_CMD0_PSC1_TX,
+		.end	= AU1200_DSCR_CMD0_PSC1_TX,
 		.flags	= IORESOURCE_DMA,
 	},
 	[3] = {
-		.start	= DSCR_CMD0_PSC1_RX,
-		.end	= DSCR_CMD0_PSC1_RX,
+		.start	= AU1200_DSCR_CMD0_PSC1_RX,
+		.end	= AU1200_DSCR_CMD0_PSC1_RX,
 		.flags	= IORESOURCE_DMA,
 	},
 };
@@ -449,6 +516,8 @@ static struct platform_device db1200_audiodma_dev = {
 static struct platform_device *db1200_devs[] __initdata = {
 	NULL,		/* PSC0, selected by S6.8 */
 	&db1200_ide_dev,
+	&db1200_mmc0_dev,
+	&au1200_lcd_dev,
 	&db1200_eth_dev,
 	&db1200_rtc_dev,
 	&db1200_nand_dev,
@@ -526,32 +595,28 @@ static int __init db1200_dev_init(void)
 
 	/* Audio PSC clock is supplied externally. (FIXME: platdata!!) */
 	__raw_writel(PSC_SEL_CLK_SERCLK,
-		(void __iomem *)KSEG1ADDR(PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
+		(void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
 	wmb();
 
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR,
-				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-				    DB1200_PC0_INT,
-				    DB1200_PC0_INSERT_INT,
-				    /*DB1200_PC0_STSCHG_INT*/0,
-				    DB1200_PC0_EJECT_INT,
-				    0);
-
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR   + 0x004000000,
-				    PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
-				    DB1200_PC1_INT,
-				    DB1200_PC1_INSERT_INT,
-				    /*DB1200_PC1_STSCHG_INT*/0,
-				    DB1200_PC1_EJECT_INT,
-				    1);
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
+		DB1200_PC0_INT, DB1200_PC0_INSERT_INT,
+		/*DB1200_PC0_STSCHG_INT*/0, DB1200_PC0_EJECT_INT, 0);
+
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
+		DB1200_PC1_INT, DB1200_PC1_INSERT_INT,
+		/*DB1200_PC1_STSCHG_INT*/0, DB1200_PC1_EJECT_INT, 1);
 
 	swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
 	db1x_register_norflash(64 << 20, 2, swapped);
diff --git a/arch/mips/alchemy/devboards/db1x00/board_setup.c b/arch/mips/alchemy/devboards/db1x00/board_setup.c
index 5c956fe8760f..7cd36e631f6c 100644
--- a/arch/mips/alchemy/devboards/db1x00/board_setup.c
+++ b/arch/mips/alchemy/devboards/db1x00/board_setup.c
@@ -40,24 +40,6 @@
 
 #include <prom.h>
 
-#ifdef CONFIG_MIPS_DB1500
-char irq_tab_alchemy[][5] __initdata = {
-	[12] = { -1, AU1500_PCI_INTA, 0xff, 0xff, 0xff }, /* IDSEL 12 - HPT371   */
-	[13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, AU1500_PCI_INTC, AU1500_PCI_INTD }, /* IDSEL 13 - PCI slot */
-};
-
-#endif
-
-
-#ifdef CONFIG_MIPS_DB1550
-char irq_tab_alchemy[][5] __initdata = {
-	[11] = { -1, AU1550_PCI_INTC, 0xff, 0xff, 0xff }, /* IDSEL 11 - on-board HPT371 */
-	[12] = { -1, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD, AU1550_PCI_INTA }, /* IDSEL 12 - PCI slot 2 (left) */
-	[13] = { -1, AU1550_PCI_INTA, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD }, /* IDSEL 13 - PCI slot 1 (right) */
-};
-#endif
-
-
 #ifdef CONFIG_MIPS_BOSPORUS
 char irq_tab_alchemy[][5] __initdata = {
 	[11] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 11 - miniPCI  */
@@ -91,12 +73,6 @@ const char *get_system_type(void)
 
 
 #ifdef CONFIG_MIPS_MIRAGE
-char irq_tab_alchemy[][5] __initdata = {
-	[11] = { -1, AU1500_PCI_INTD, 0xff, 0xff, 0xff }, /* IDSEL 11 - SMI VGX */
-	[12] = { -1, 0xff, 0xff, AU1500_PCI_INTC, 0xff }, /* IDSEL 12 - PNX1300 */
-	[13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 13 - miniPCI */
-};
-
 static void mirage_power_off(void)
 {
 	alchemy_gpio_direction_output(210, 1);
@@ -158,9 +134,7 @@ void __init board_setup(void)
 	/* initialize board register space */
 	bcsr_init(bcsr1, bcsr2);
 
-	/* Not valid for Au1550 */
-#if defined(CONFIG_IRDA) && \
-   (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
+#if defined(CONFIG_IRDA) && defined(CONFIG_AU1000_FIR)
 	{
 		u32 pin_func;
 
diff --git a/arch/mips/alchemy/devboards/db1x00/platform.c b/arch/mips/alchemy/devboards/db1x00/platform.c
index 7057d28f7301..9e6b3d442acd 100644
--- a/arch/mips/alchemy/devboards/db1x00/platform.c
+++ b/arch/mips/alchemy/devboards/db1x00/platform.c
@@ -20,14 +20,16 @@
 
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1000_dma.h>
-#include <asm/mach-au1x00/au1xxx.h>
 #include <asm/mach-db1x00/bcsr.h>
 #include "../platform.h"
 
+struct pci_dev;
+
 /* DB1xxx PCMCIA interrupt sources:
  * CD0/1 	GPIO0/3
  * STSCHG0/1	GPIO1/4
@@ -88,6 +90,155 @@
 #endif
 #endif
 
+#ifdef CONFIG_PCI
+#ifdef CONFIG_MIPS_DB1500
+static int db1xxx_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	if ((slot < 12) || (slot > 13) || pin == 0)
+		return -1;
+	if (slot == 12)
+		return (pin == 1) ? AU1500_PCI_INTA : 0xff;
+	if (slot == 13) {
+		switch (pin) {
+		case 1: return AU1500_PCI_INTA;
+		case 2: return AU1500_PCI_INTB;
+		case 3: return AU1500_PCI_INTC;
+		case 4: return AU1500_PCI_INTD;
+		}
+	}
+	return -1;
+}
+#endif
+
+#ifdef CONFIG_MIPS_DB1550
+static int db1xxx_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	if ((slot < 11) || (slot > 13) || pin == 0)
+		return -1;
+	if (slot == 11)
+		return (pin == 1) ? AU1550_PCI_INTC : 0xff;
+	if (slot == 12) {
+		switch (pin) {
+		case 1: return AU1550_PCI_INTB;
+		case 2: return AU1550_PCI_INTC;
+		case 3: return AU1550_PCI_INTD;
+		case 4: return AU1550_PCI_INTA;
+		}
+	}
+	if (slot == 13) {
+		switch (pin) {
+		case 1: return AU1550_PCI_INTA;
+		case 2: return AU1550_PCI_INTB;
+		case 3: return AU1550_PCI_INTC;
+		case 4: return AU1550_PCI_INTD;
+		}
+	}
+	return -1;
+}
+#endif
+
+#ifdef CONFIG_MIPS_BOSPORUS
+static int db1xxx_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	if ((slot < 11) || (slot > 13) || pin == 0)
+		return -1;
+	if (slot == 12)
+		return (pin == 1) ? AU1500_PCI_INTA : 0xff;
+	if (slot == 11) {
+		switch (pin) {
+		case 1: return AU1500_PCI_INTA;
+		case 2: return AU1500_PCI_INTB;
+		default: return 0xff;
+		}
+	}
+	if (slot == 13) {
+		switch (pin) {
+		case 1: return AU1500_PCI_INTA;
+		case 2: return AU1500_PCI_INTB;
+		case 3: return AU1500_PCI_INTC;
+		case 4: return AU1500_PCI_INTD;
+		}
+	}
+	return -1;
+}
+#endif
+
+#ifdef CONFIG_MIPS_MIRAGE
+static int db1xxx_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	if ((slot < 11) || (slot > 13) || pin == 0)
+		return -1;
+	if (slot == 11)
+		return (pin == 1) ? AU1500_PCI_INTD : 0xff;
+	if (slot == 12)
+		return (pin == 3) ? AU1500_PCI_INTC : 0xff;
+	if (slot == 13) {
+		switch (pin) {
+		case 1: return AU1500_PCI_INTA;
+		case 2: return AU1500_PCI_INTB;
+		default: return 0xff;
+		}
+	}
+	return -1;
+}
+#endif
+
+static struct resource alchemy_pci_host_res[] = {
+	[0] = {
+		.start	= AU1500_PCI_PHYS_ADDR,
+		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct alchemy_pci_platdata db1xxx_pci_pd = {
+	.board_map_irq	= db1xxx_map_pci_irq,
+};
+
+static struct platform_device db1xxx_pci_host_dev = {
+	.dev.platform_data = &db1xxx_pci_pd,
+	.name		= "alchemy-pci",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
+	.resource	= alchemy_pci_host_res,
+};
+
+static int __init db15x0_pci_init(void)
+{
+	return platform_device_register(&db1xxx_pci_host_dev);
+}
+/* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
+arch_initcall(db15x0_pci_init);
+#endif
+
+#ifdef CONFIG_MIPS_DB1100
+static struct resource au1100_lcd_resources[] = {
+	[0] = {
+		.start	= AU1100_LCD_PHYS_ADDR,
+		.end	= AU1100_LCD_PHYS_ADDR + 0x800 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1100_LCD_INT,
+		.end	= AU1100_LCD_INT,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device au1100_lcd_device = {
+	.name		= "au1100-lcd",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &au1100_lcd_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(au1100_lcd_resources),
+	.resource	= au1100_lcd_resources,
+};
+#endif
+
 static struct resource alchemy_ac97c_res[] = {
 	[0] = {
 		.start	= AU1000_AC97_PHYS_ADDR,
@@ -130,29 +281,28 @@ static struct platform_device db1x00_audio_dev = {
 static int __init db1xxx_dev_init(void)
 {
 #ifdef DB1XXX_HAS_PCMCIA
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR,
-				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-				    DB1XXX_PCMCIA_CARD0,
-				    DB1XXX_PCMCIA_CD0,
-				    /*DB1XXX_PCMCIA_STSCHG0*/0,
-				    0,
-				    0);
-
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR   + 0x004000000,
-				    PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
-				    DB1XXX_PCMCIA_CARD1,
-				    DB1XXX_PCMCIA_CD1,
-				    /*DB1XXX_PCMCIA_STSCHG1*/0,
-				    0,
-				    1);
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
+		DB1XXX_PCMCIA_CARD0, DB1XXX_PCMCIA_CD0,
+		/*DB1XXX_PCMCIA_STSCHG0*/0, 0, 0);
+
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
+		DB1XXX_PCMCIA_CARD1, DB1XXX_PCMCIA_CD1,
+		/*DB1XXX_PCMCIA_STSCHG1*/0, 0, 1);
+#endif
+#ifdef CONFIG_MIPS_DB1100
+	platform_device_register(&au1100_lcd_device);
 #endif
 	db1x_register_norflash(BOARD_FLASH_SIZE, BOARD_FLASH_WIDTH, F_SWAPPED);
 
diff --git a/arch/mips/alchemy/devboards/pb1100/platform.c b/arch/mips/alchemy/devboards/pb1100/platform.c
index 2c8dc29759fd..9c57c01a68c4 100644
--- a/arch/mips/alchemy/devboards/pb1100/platform.c
+++ b/arch/mips/alchemy/devboards/pb1100/platform.c
@@ -19,31 +19,58 @@
  */
 
 #include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
 
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-db1x00/bcsr.h>
 
 #include "../platform.h"
 
+static struct resource au1100_lcd_resources[] = {
+	[0] = {
+		.start	= AU1100_LCD_PHYS_ADDR,
+		.end	= AU1100_LCD_PHYS_ADDR + 0x800 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1100_LCD_INT,
+		.end	= AU1100_LCD_INT,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device au1100_lcd_device = {
+	.name		= "au1100-lcd",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &au1100_lcd_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(au1100_lcd_resources),
+	.resource	= au1100_lcd_resources,
+};
+
 static int __init pb1100_dev_init(void)
 {
 	int swapped;
 
 	/* PCMCIA. single socket, identical to Pb1500 */
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR,
-				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-				    AU1100_GPIO11_INT,	 /* card */
-				    AU1100_GPIO9_INT,	 /* insert */
-				    /*AU1100_GPIO10_INT*/0, /* stschg */
-				    0,			 /* eject */
-				    0);			 /* id */
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
+		AU1100_GPIO11_INT, AU1100_GPIO9_INT,	 /* card / insert */
+		/*AU1100_GPIO10_INT*/0, 0, 0); /* stschg / eject / id */
 
 	swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1000_SWAPBOOT;
 	db1x_register_norflash(64 * 1024 * 1024, 4, swapped);
+	platform_device_register(&au1100_lcd_device);
 
 	return 0;
 }
diff --git a/arch/mips/alchemy/devboards/pb1200/platform.c b/arch/mips/alchemy/devboards/pb1200/platform.c
index 3ef2dceeb796..54f7f7b0676e 100644
--- a/arch/mips/alchemy/devboards/pb1200/platform.c
+++ b/arch/mips/alchemy/devboards/pb1200/platform.c
@@ -24,9 +24,11 @@
 #include <linux/platform_device.h>
 #include <linux/smc91x.h>
 
-#include <asm/mach-au1x00/au1xxx.h>
+#include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1100_mmc.h>
+#include <asm/mach-au1x00/au1xxx_dbdma.h>
 #include <asm/mach-db1x00/bcsr.h>
+#include <asm/mach-pb1x00/pb1200.h>
 
 #include "../platform.h"
 
@@ -88,7 +90,7 @@ static int pb1200mmc1_card_inserted(void *mmc_host)
 	return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0;
 }
 
-const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
+static struct au1xmmc_platform_data pb1200mmc_platdata[2] = {
 	[0] = {
 		.set_power	= pb1200mmc0_set_power,
 		.card_inserted	= pb1200mmc0_card_inserted,
@@ -105,6 +107,79 @@ const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
 	},
 };
 
+static u64 au1xxx_mmc_dmamask =  DMA_BIT_MASK(32);
+
+static struct resource au1200_mmc0_res[] = {
+	[0] = {
+		.start	= AU1100_SD0_PHYS_ADDR,
+		.end	= AU1100_SD0_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1200_SD_INT,
+		.end	= AU1200_SD_INT,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= AU1200_DSCR_CMD0_SDMS_TX0,
+		.end	= AU1200_DSCR_CMD0_SDMS_TX0,
+		.flags	= IORESOURCE_DMA,
+	},
+	[3] = {
+		.start	= AU1200_DSCR_CMD0_SDMS_RX0,
+		.end	= AU1200_DSCR_CMD0_SDMS_RX0,
+		.flags	= IORESOURCE_DMA,
+	}
+};
+
+static struct platform_device pb1200_mmc0_dev = {
+	.name		= "au1xxx-mmc",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &au1xxx_mmc_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &pb1200mmc_platdata[0],
+	},
+	.num_resources	= ARRAY_SIZE(au1200_mmc0_res),
+	.resource	= au1200_mmc0_res,
+};
+
+static struct resource au1200_mmc1_res[] = {
+	[0] = {
+		.start	= AU1100_SD1_PHYS_ADDR,
+		.end	= AU1100_SD1_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1200_SD_INT,
+		.end	= AU1200_SD_INT,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= AU1200_DSCR_CMD0_SDMS_TX1,
+		.end	= AU1200_DSCR_CMD0_SDMS_TX1,
+		.flags	= IORESOURCE_DMA,
+	},
+	[3] = {
+		.start	= AU1200_DSCR_CMD0_SDMS_RX1,
+		.end	= AU1200_DSCR_CMD0_SDMS_RX1,
+		.flags	= IORESOURCE_DMA,
+	}
+};
+
+static struct platform_device pb1200_mmc1_dev = {
+	.name		= "au1xxx-mmc",
+	.id		= 1,
+	.dev = {
+		.dma_mask		= &au1xxx_mmc_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &pb1200mmc_platdata[1],
+	},
+	.num_resources	= ARRAY_SIZE(au1200_mmc1_res),
+	.resource	= au1200_mmc1_res,
+};
+
+
 static struct resource ide_resources[] = {
 	[0] = {
 		.start	= IDE_PHYS_ADDR,
@@ -115,7 +190,12 @@ static struct resource ide_resources[] = {
 		.start	= IDE_INT,
 		.end	= IDE_INT,
 		.flags	= IORESOURCE_IRQ
-	}
+	},
+	[2] = {
+		.start	= AU1200_DSCR_CMD0_DMA_REQ1,
+		.end	= AU1200_DSCR_CMD0_DMA_REQ1,
+		.flags	= IORESOURCE_DMA,
+	},
 };
 
 static u64 ide_dmamask = DMA_BIT_MASK(32);
@@ -161,38 +241,94 @@ static struct platform_device smc91c111_device = {
 	.resource	= smc91c111_resources
 };
 
+static struct resource au1200_psc0_res[] = {
+	[0] = {
+		.start	= AU1550_PSC0_PHYS_ADDR,
+		.end	= AU1550_PSC0_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1200_PSC0_INT,
+		.end	= AU1200_PSC0_INT,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= AU1200_DSCR_CMD0_PSC0_TX,
+		.end	= AU1200_DSCR_CMD0_PSC0_TX,
+		.flags	= IORESOURCE_DMA,
+	},
+	[3] = {
+		.start	= AU1200_DSCR_CMD0_PSC0_RX,
+		.end	= AU1200_DSCR_CMD0_PSC0_RX,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device pb1200_i2c_dev = {
+	.name		= "au1xpsc_smbus",
+	.id		= 0,	/* bus number */
+	.num_resources	= ARRAY_SIZE(au1200_psc0_res),
+	.resource	= au1200_psc0_res,
+};
+
+static struct resource au1200_lcd_res[] = {
+	[0] = {
+		.start	= AU1200_LCD_PHYS_ADDR,
+		.end	= AU1200_LCD_PHYS_ADDR + 0x800 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1200_LCD_INT,
+		.end	= AU1200_LCD_INT,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static u64 au1200_lcd_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device au1200_lcd_dev = {
+	.name		= "au1200-lcd",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &au1200_lcd_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(au1200_lcd_res),
+	.resource	= au1200_lcd_res,
+};
+
 static struct platform_device *board_platform_devices[] __initdata = {
 	&ide_device,
-	&smc91c111_device
+	&smc91c111_device,
+	&pb1200_i2c_dev,
+	&pb1200_mmc0_dev,
+	&pb1200_mmc1_dev,
+	&au1200_lcd_dev,
 };
 
 static int __init board_register_devices(void)
 {
 	int swapped;
 
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR,
-				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-				    PB1200_PC0_INT,
-				    PB1200_PC0_INSERT_INT,
-				    /*PB1200_PC0_STSCHG_INT*/0,
-				    PB1200_PC0_EJECT_INT,
-				    0);
-
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR   + 0x008000000,
-				    PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
-				    PB1200_PC1_INT,
-				    PB1200_PC1_INSERT_INT,
-				    /*PB1200_PC1_STSCHG_INT*/0,
-				    PB1200_PC1_EJECT_INT,
-				    1);
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
+		PB1200_PC0_INT, PB1200_PC0_INSERT_INT,
+		/*PB1200_PC0_STSCHG_INT*/0, PB1200_PC0_EJECT_INT, 0);
+
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008000000,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
+		PB1200_PC1_INT, PB1200_PC1_INSERT_INT,
+		/*PB1200_PC1_STSCHG_INT*/0, PB1200_PC1_EJECT_INT, 1);
 
 	swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1200_SWAPBOOT;
 	db1x_register_norflash(128 * 1024 * 1024, 2, swapped);
diff --git a/arch/mips/alchemy/devboards/pb1500/board_setup.c b/arch/mips/alchemy/devboards/pb1500/board_setup.c
index 3b4fa3206969..37c1883b5ea9 100644
--- a/arch/mips/alchemy/devboards/pb1500/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1500/board_setup.c
@@ -33,13 +33,6 @@
 
 #include <prom.h>
 
-
-char irq_tab_alchemy[][5] __initdata = {
-	[12] = { -1, AU1500_PCI_INTA, 0xff, 0xff, 0xff },   /* IDSEL 12 - HPT370	*/
-	[13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, AU1500_PCI_INTC, AU1500_PCI_INTD },   /* IDSEL 13 - PCI slot */
-};
-
-
 const char *get_system_type(void)
 {
 	return "Alchemy Pb1500";
@@ -101,20 +94,18 @@ void __init board_setup(void)
 #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
 
 #ifdef CONFIG_PCI
-	/* Setup PCI bus controller */
-	au_writel(0, Au1500_PCI_CMEM);
-	au_writel(0x00003fff, Au1500_CFG_BASE);
-#if defined(__MIPSEB__)
-	au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
-#else
-	au_writel(0xf, Au1500_PCI_CFG);
-#endif
-	au_writel(0xf0000000, Au1500_PCI_MWMASK_DEV);
-	au_writel(0, Au1500_PCI_MWBASE_REV_CCL);
-	au_writel(0x02a00356, Au1500_PCI_STATCMD);
-	au_writel(0x00003c04, Au1500_PCI_HDRTYPE);
-	au_writel(0x00000008, Au1500_PCI_MBAR);
-	au_sync();
+	{
+		void __iomem *base =
+				(void __iomem *)KSEG1ADDR(AU1500_PCI_PHYS_ADDR);
+		/* Setup PCI bus controller */
+		__raw_writel(0x00003fff, base + PCI_REG_CMEM);
+		__raw_writel(0xf0000000, base + PCI_REG_MWMASK_DEV);
+		__raw_writel(0, base + PCI_REG_MWBASE_REV_CCL);
+		__raw_writel(0x02a00356, base + PCI_REG_STATCMD);
+		__raw_writel(0x00003c04, base + PCI_REG_PARAM);
+		__raw_writel(0x00000008, base + PCI_REG_MBAR);
+		wmb();
+	}
 #endif
 
 	/* Enable sys bus clock divider when IDLE state or no bus activity. */
diff --git a/arch/mips/alchemy/devboards/pb1500/platform.c b/arch/mips/alchemy/devboards/pb1500/platform.c
index d443bc7aa76e..1e52a01bac00 100644
--- a/arch/mips/alchemy/devboards/pb1500/platform.c
+++ b/arch/mips/alchemy/devboards/pb1500/platform.c
@@ -18,32 +18,77 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/init.h>
+#include <linux/platform_device.h>
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-db1x00/bcsr.h>
 
 #include "../platform.h"
 
+static int pb1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	if ((slot < 12) || (slot > 13) || pin == 0)
+		return -1;
+	if (slot == 12)
+		return (pin == 1) ? AU1500_PCI_INTA : 0xff;
+	if (slot == 13) {
+		switch (pin) {
+		case 1: return AU1500_PCI_INTA;
+		case 2: return AU1500_PCI_INTB;
+		case 3: return AU1500_PCI_INTC;
+		case 4: return AU1500_PCI_INTD;
+		}
+	}
+	return -1;
+}
+
+static struct resource alchemy_pci_host_res[] = {
+	[0] = {
+		.start	= AU1500_PCI_PHYS_ADDR,
+		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct alchemy_pci_platdata pb1500_pci_pd = {
+	.board_map_irq	= pb1500_map_pci_irq,
+	.pci_cfg_set	= PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H |
+			  PCI_CONFIG_CH |
+#if defined(__MIPSEB__)
+			  PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM,
+#else
+			  0,
+#endif
+};
+
+static struct platform_device pb1500_pci_host = {
+	.dev.platform_data = &pb1500_pci_pd,
+	.name		= "alchemy-pci",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
+	.resource	= alchemy_pci_host_res,
+};
+
 static int __init pb1500_dev_init(void)
 {
 	int swapped;
 
-	/* PCMCIA. single socket, identical to Pb1500 */
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR,
-				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-				    AU1500_GPIO11_INT,	 /* card */
-				    AU1500_GPIO9_INT,	 /* insert */
-				    /*AU1500_GPIO10_INT*/0, /* stschg */
-				    0,			 /* eject */
-				    0);			 /* id */
+	/* PCMCIA. single socket, identical to Pb1100 */
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
+		AU1500_GPIO11_INT, AU1500_GPIO9_INT,	 /* card / insert */
+		/*AU1500_GPIO10_INT*/0, 0, 0); /* stschg / eject / id */
 
 	swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1000_SWAPBOOT;
 	db1x_register_norflash(64 * 1024 * 1024, 4, swapped);
+	platform_device_register(&pb1500_pci_host);
 
 	return 0;
 }
-device_initcall(pb1500_dev_init);
+arch_initcall(pb1500_dev_init);
diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c
index b790213848bd..0f62d1e3df24 100644
--- a/arch/mips/alchemy/devboards/pb1550/board_setup.c
+++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c
@@ -37,12 +37,6 @@
 
 #include <prom.h>
 
-
-char irq_tab_alchemy[][5] __initdata = {
-	[12] = { -1, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD, AU1550_PCI_INTA }, /* IDSEL 12 - PCI slot 2 (left)  */
-	[13] = { -1, AU1550_PCI_INTA, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD }, /* IDSEL 13 - PCI slot 1 (right) */
-};
-
 const char *get_system_type(void)
 {
 	return "Alchemy Pb1550";
diff --git a/arch/mips/alchemy/devboards/pb1550/platform.c b/arch/mips/alchemy/devboards/pb1550/platform.c
index d7150d0f49c0..a4604b8a349e 100644
--- a/arch/mips/alchemy/devboards/pb1550/platform.c
+++ b/arch/mips/alchemy/devboards/pb1550/platform.c
@@ -18,14 +18,89 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/init.h>
-
+#include <linux/platform_device.h>
 #include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1xxx_dbdma.h>
 #include <asm/mach-pb1x00/pb1550.h>
 #include <asm/mach-db1x00/bcsr.h>
 
 #include "../platform.h"
 
+static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	if ((slot < 12) || (slot > 13) || pin == 0)
+		return -1;
+	if (slot == 12) {
+		switch (pin) {
+		case 1: return AU1500_PCI_INTB;
+		case 2: return AU1500_PCI_INTC;
+		case 3: return AU1500_PCI_INTD;
+		case 4: return AU1500_PCI_INTA;
+		}
+	}
+	if (slot == 13) {
+		switch (pin) {
+		case 1: return AU1500_PCI_INTA;
+		case 2: return AU1500_PCI_INTB;
+		case 3: return AU1500_PCI_INTC;
+		case 4: return AU1500_PCI_INTD;
+		}
+	}
+	return -1;
+}
+
+static struct resource alchemy_pci_host_res[] = {
+	[0] = {
+		.start	= AU1500_PCI_PHYS_ADDR,
+		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct alchemy_pci_platdata pb1550_pci_pd = {
+	.board_map_irq	= pb1550_map_pci_irq,
+};
+
+static struct platform_device pb1550_pci_host = {
+	.dev.platform_data = &pb1550_pci_pd,
+	.name		= "alchemy-pci",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
+	.resource	= alchemy_pci_host_res,
+};
+
+static struct resource au1550_psc2_res[] = {
+	[0] = {
+		.start	= AU1550_PSC2_PHYS_ADDR,
+		.end	= AU1550_PSC2_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= AU1550_PSC2_INT,
+		.end	= AU1550_PSC2_INT,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= AU1550_DSCR_CMD0_PSC2_TX,
+		.end	= AU1550_DSCR_CMD0_PSC2_TX,
+		.flags	= IORESOURCE_DMA,
+	},
+	[3] = {
+		.start	= AU1550_DSCR_CMD0_PSC2_RX,
+		.end	= AU1550_DSCR_CMD0_PSC2_RX,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device pb1550_i2c_dev = {
+	.name		= "au1xpsc_smbus",
+	.id		= 0,	/* bus number */
+	.num_resources	= ARRAY_SIZE(au1550_psc2_res),
+	.resource	= au1550_psc2_res,
+};
+
 static int __init pb1550_dev_init(void)
 {
 	int swapped;
@@ -37,33 +112,29 @@ static int __init pb1550_dev_init(void)
 	* drivers are used to shared irqs and b) statuschange isn't really use-
 	* ful anyway.
 	*/
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR,
-				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-				    AU1550_GPIO201_205_INT,
-				    AU1550_GPIO0_INT,
-				    0,
-				    0,
-				    0);
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
+		AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0);
 
-	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
-				    PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
-				    PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
-				    PCMCIA_IO_PHYS_ADDR   + 0x008000000,
-				    PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
-				    AU1550_GPIO201_205_INT,
-				    AU1550_GPIO1_INT,
-				    0,
-				    0,
-				    1);
+	db1x_register_pcmcia_socket(
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
+		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
+		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008000000,
+		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
+		AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1);
 
 	swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT;
 	db1x_register_norflash(128 * 1024 * 1024, 4, swapped);
+	platform_device_register(&pb1550_pci_host);
+	platform_device_register(&pb1550_i2c_dev);
 
 	return 0;
 }
-device_initcall(pb1550_dev_init);
+arch_initcall(pb1550_dev_init);
diff --git a/arch/mips/alchemy/gpr/board_setup.c b/arch/mips/alchemy/gpr/board_setup.c
index 5f8f0691ed2d..dea45c78fdcd 100644
--- a/arch/mips/alchemy/gpr/board_setup.c
+++ b/arch/mips/alchemy/gpr/board_setup.c
@@ -36,10 +36,6 @@
 
 #include <prom.h>
 
-char irq_tab_alchemy[][5] __initdata = {
-	[0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff },
-};
-
 static void gpr_reset(char *c)
 {
 	/* switch System-LED to orange (red# and green# on) */
@@ -76,12 +72,4 @@ void __init board_setup(void)
 
 	/* Take away Reset of UMTS-card */
 	alchemy_gpio_direction_output(215, 1);
-
-#ifdef CONFIG_PCI
-#if defined(__MIPSEB__)
-	au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
-#else
-	au_writel(0xf, Au1500_PCI_CFG);
-#endif
-#endif
 }
diff --git a/arch/mips/alchemy/gpr/platform.c b/arch/mips/alchemy/gpr/platform.c
index 14b46629cfc8..982ce85db60d 100644
--- a/arch/mips/alchemy/gpr/platform.c
+++ b/arch/mips/alchemy/gpr/platform.c
@@ -167,6 +167,45 @@ static struct i2c_board_info gpr_i2c_info[] __initdata = {
 	}
 };
 
+
+
+static struct resource alchemy_pci_host_res[] = {
+	[0] = {
+		.start	= AU1500_PCI_PHYS_ADDR,
+		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static int gpr_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	if ((slot == 0) && (pin == 1))
+		return AU1550_PCI_INTA;
+	else if ((slot == 0) && (pin == 2))
+		return AU1550_PCI_INTB;
+
+	return -1;
+}
+
+static struct alchemy_pci_platdata gpr_pci_pd = {
+	.board_map_irq	= gpr_map_pci_irq,
+	.pci_cfg_set	= PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H |
+			  PCI_CONFIG_CH |
+#if defined(__MIPSEB__)
+			  PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM,
+#else
+			  0,
+#endif
+};
+
+static struct platform_device gpr_pci_host_dev = {
+	.dev.platform_data = &gpr_pci_pd,
+	.name		= "alchemy-pci",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
+	.resource	= alchemy_pci_host_res,
+};
+
 static struct platform_device *gpr_devices[] __initdata = {
 	&gpr_wdt_device,
 	&gpr_mtd_device,
@@ -174,6 +213,14 @@ static struct platform_device *gpr_devices[] __initdata = {
 	&gpr_led_devices,
 };
 
+static int __init gpr_pci_init(void)
+{
+	return platform_device_register(&gpr_pci_host_dev);
+}
+/* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
+arch_initcall(gpr_pci_init);
+
+
 static int __init gpr_dev_init(void)
 {
 	i2c_register_board_info(0, gpr_i2c_info, ARRAY_SIZE(gpr_i2c_info));
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c
index 3ae984cf98cf..851a5ab4c8f2 100644
--- a/arch/mips/alchemy/mtx-1/board_setup.c
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -38,20 +38,6 @@
 
 #include <prom.h>
 
-char irq_tab_alchemy[][5] __initdata = {
-	[0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 00 - AdapterA-Slot0 (top) */
-	[1] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */
-	[2] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 02 - AdapterB-Slot0 (top) */
-	[3] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */
-	[4] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 04 - AdapterC-Slot0 (top) */
-	[5] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */
-	[6] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 06 - AdapterD-Slot0 (top) */
-	[7] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
-};
-
-extern int (*board_pci_idsel)(unsigned int devsel, int assert);
-int mtx1_pci_idsel(unsigned int devsel, int assert);
-
 static void mtx1_reset(char *c)
 {
 	/* Jump to the reset vector */
@@ -74,15 +60,6 @@ void __init board_setup(void)
 	alchemy_gpio_direction_output(204, 0);
 #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
 
-#ifdef CONFIG_PCI
-#if defined(__MIPSEB__)
-	au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
-#else
-	au_writel(0xf, Au1500_PCI_CFG);
-#endif
-	board_pci_idsel = mtx1_pci_idsel;
-#endif
-
 	/* Initialize sys_pinfunc */
 	au_writel(SYS_PF_NI2, SYS_PINFUNC);
 
@@ -104,23 +81,6 @@ void __init board_setup(void)
 	printk(KERN_INFO "4G Systems MTX-1 Board\n");
 }
 
-int
-mtx1_pci_idsel(unsigned int devsel, int assert)
-{
-	/* This function is only necessary to support a proprietary Cardbus
-	 * adapter on the mtx-1 "singleboard" variant. It triggers a custom
-	 * logic chip connected to EXT_IO3 (GPIO1) to suppress IDSEL signals.
-	 */
-	if (assert && devsel != 0)
-		/* Suppress signal to Cardbus */
-		alchemy_gpio_set_value(1, 0);	/* set EXT_IO3 OFF */
-	else
-		alchemy_gpio_set_value(1, 1);	/* set EXT_IO3 ON */
-
-	udelay(1);
-	return 1;
-}
-
 static int __init mtx1_init_irq(void)
 {
 	irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
diff --git a/arch/mips/alchemy/mtx-1/platform.c b/arch/mips/alchemy/mtx-1/platform.c
index 55628e390fd7..cc47b6868ca3 100644
--- a/arch/mips/alchemy/mtx-1/platform.c
+++ b/arch/mips/alchemy/mtx-1/platform.c
@@ -135,7 +135,69 @@ static struct platform_device mtx1_mtd = {
 	.resource	= &mtx1_mtd_resource,
 };
 
+static struct resource alchemy_pci_host_res[] = {
+	[0] = {
+		.start	= AU1500_PCI_PHYS_ADDR,
+		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static int mtx1_pci_idsel(unsigned int devsel, int assert)
+{
+	/* This function is only necessary to support a proprietary Cardbus
+	 * adapter on the mtx-1 "singleboard" variant. It triggers a custom
+	 * logic chip connected to EXT_IO3 (GPIO1) to suppress IDSEL signals.
+	 */
+	if (assert && devsel != 0)
+		/* Suppress signal to Cardbus */
+		alchemy_gpio_set_value(1, 0);	/* set EXT_IO3 OFF */
+	else
+		alchemy_gpio_set_value(1, 1);	/* set EXT_IO3 ON */
+
+	udelay(1);
+	return 1;
+}
+
+static const char mtx1_irqtab[][5] = {
+	[0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 00 - AdapterA-Slot0 (top) */
+	[1] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */
+	[2] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 02 - AdapterB-Slot0 (top) */
+	[3] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */
+	[4] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 04 - AdapterC-Slot0 (top) */
+	[5] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */
+	[6] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 06 - AdapterD-Slot0 (top) */
+	[7] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
+};
+
+static int mtx1_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+	return mtx1_irqtab[slot][pin];
+}
+
+static struct alchemy_pci_platdata mtx1_pci_pd = {
+	.board_map_irq	 = mtx1_map_pci_irq,
+	.board_pci_idsel = mtx1_pci_idsel,
+	.pci_cfg_set	 = PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H |
+			   PCI_CONFIG_CH |
+#if defined(__MIPSEB__)
+			   PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM,
+#else
+			   0,
+#endif
+};
+
+static struct platform_device mtx1_pci_host = {
+	.dev.platform_data = &mtx1_pci_pd,
+	.name		= "alchemy-pci",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
+	.resource	= alchemy_pci_host_res,
+};
+
+
 static struct __initdata platform_device * mtx1_devs[] = {
+	&mtx1_pci_host,
 	&mtx1_gpio_leds,
 	&mtx1_wdt,
 	&mtx1_button,
diff --git a/arch/mips/alchemy/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c
index 81e57fad07ab..3fa83f72e014 100644
--- a/arch/mips/alchemy/xxs1500/board_setup.c
+++ b/arch/mips/alchemy/xxs1500/board_setup.c
@@ -70,14 +70,6 @@ void __init board_setup(void)
 	/* Enable DTR (MCR bit 0) = USB power up */
 	__raw_writel(1, (void __iomem *)KSEG1ADDR(AU1000_UART3_PHYS_ADDR + 0x18));
 	wmb();
-
-#ifdef CONFIG_PCI
-#if defined(__MIPSEB__)
-	au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
-#else
-	au_writel(0xf, Au1500_PCI_CFG);
-#endif
-#endif
 }
 
 static int __init xxs1500_init_irq(void)
diff --git a/arch/mips/alchemy/xxs1500/platform.c b/arch/mips/alchemy/xxs1500/platform.c
index e87c45cde61b..06a3a459b8aa 100644
--- a/arch/mips/alchemy/xxs1500/platform.c
+++ b/arch/mips/alchemy/xxs1500/platform.c
@@ -27,20 +27,20 @@ static struct resource xxs1500_pcmcia_res[] = {
 	{
 		.name	= "pcmcia-io",
 		.flags	= IORESOURCE_MEM,
-		.start	= PCMCIA_IO_PHYS_ADDR,
-		.end	= PCMCIA_IO_PHYS_ADDR + 0x000400000 - 1,
+		.start	= AU1000_PCMCIA_IO_PHYS_ADDR,
+		.end	= AU1000_PCMCIA_IO_PHYS_ADDR + 0x000400000 - 1,
 	},
 	{
 		.name	= "pcmcia-attr",
 		.flags	= IORESOURCE_MEM,
-		.start	= PCMCIA_ATTR_PHYS_ADDR,
-		.end	= PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+		.start	= AU1000_PCMCIA_ATTR_PHYS_ADDR,
+		.end	= AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
 	},
 	{
 		.name	= "pcmcia-mem",
 		.flags	= IORESOURCE_MEM,
-		.start	= PCMCIA_MEM_PHYS_ADDR,
-		.end	= PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
+		.start	= AU1000_PCMCIA_MEM_PHYS_ADDR,
+		.end	= AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
 	},
 };
 
diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index 40bb9fde205f..69468ded2828 100644
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -114,4 +114,28 @@ unsigned long run_uncached(void *func);
 extern void *kmap_coherent(struct page *page, unsigned long addr);
 extern void kunmap_coherent(void);
 
+#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
+static inline void flush_kernel_dcache_page(struct page *page)
+{
+	BUG_ON(cpu_has_dc_aliases && PageHighMem(page));
+}
+
+/*
+ * For now flush_kernel_vmap_range and invalidate_kernel_vmap_range both do a
+ * cache writeback and invalidate operation.
+ */
+extern void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
+
+static inline void flush_kernel_vmap_range(void *vaddr, int size)
+{
+	if (cpu_has_dc_aliases)
+		__flush_kernel_vmap_range((unsigned long) vaddr, size);
+}
+
+static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
+{
+	if (cpu_has_dc_aliases)
+		__flush_kernel_vmap_range((unsigned long) vaddr, size);
+}
+
 #endif /* _ASM_CACHEFLUSH_H */
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 5f95a4bfc735..2f7f41873f24 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -135,6 +135,9 @@
 #define PRID_IMP_CAVIUM_CN50XX 0x0600
 #define PRID_IMP_CAVIUM_CN52XX 0x0700
 #define PRID_IMP_CAVIUM_CN63XX 0x9000
+#define PRID_IMP_CAVIUM_CN68XX 0x9100
+#define PRID_IMP_CAVIUM_CN66XX 0x9200
+#define PRID_IMP_CAVIUM_CN61XX 0x9300
 
 /*
  * These are the PRID's for when 23:16 == PRID_COMP_INGENIC
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index b04e4de5dd2e..a58f22998a86 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -329,14 +329,10 @@ static inline void pfx##write##bwlq(type val,				\
 			"dsrl32	%L0, %L0, 0"			"\n\t"	\
 			"dsll32	%M0, %M0, 0"			"\n\t"	\
 			"or	%L0, %L0, %M0"			"\n\t"	\
-			".set	push"				"\n\t"	\
-			".set	noreorder"			"\n\t"	\
-			".set	nomacro"			"\n\t"	\
 			"sd	%L0, %2"			"\n\t"	\
-			".set	pop"				"\n\t"	\
 			".set	mips0"				"\n"	\
 			: "=r" (__tmp)					\
-			: "0" (__val), "R" (*__mem));			\
+			: "0" (__val), "m" (*__mem));			\
 		if (irq)						\
 			local_irq_restore(__flags);			\
 	} else								\
@@ -359,16 +355,12 @@ static inline type pfx##read##bwlq(const volatile void __iomem *mem)	\
 			local_irq_save(__flags);			\
 		__asm__ __volatile__(					\
 			".set	mips3"		"\t\t# __readq"	"\n\t"	\
-			".set	push"				"\n\t"	\
-			".set	noreorder"			"\n\t"	\
-			".set	nomacro"			"\n\t"	\
 			"ld	%L0, %1"			"\n\t"	\
-			".set	pop"				"\n\t"	\
 			"dsra32	%M0, %L0, 0"			"\n\t"	\
 			"sll	%L0, %L0, 0"			"\n\t"	\
 			".set	mips0"				"\n"	\
 			: "=r" (__val)					\
-			: "R" (*__mem));				\
+			: "m" (*__mem));				\
 		if (irq)						\
 			local_irq_restore(__flags);			\
 	} else {							\
diff --git a/arch/mips/include/asm/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h
index f260ebed713b..de24ec57dd2f 100644
--- a/arch/mips/include/asm/mach-au1x00/au1000.h
+++ b/arch/mips/include/asm/mach-au1x00/au1000.h
@@ -245,6 +245,23 @@ void alchemy_sleep_au1000(void);
 void alchemy_sleep_au1550(void);
 void au_sleep(void);
 
+/* USB: drivers/usb/host/alchemy-common.c */
+enum alchemy_usb_block {
+	ALCHEMY_USB_OHCI0,
+	ALCHEMY_USB_UDC0,
+	ALCHEMY_USB_EHCI0,
+	ALCHEMY_USB_OTG0,
+};
+int alchemy_usb_control(int block, int enable);
+
+/* PCI controller platform data */
+struct alchemy_pci_platdata {
+	int (*board_map_irq)(const struct pci_dev *d, u8 slot, u8 pin);
+	int (*board_pci_idsel)(unsigned int devsel, int assert);
+	/* bits to set/clear in PCI_CONFIG register */
+	unsigned long pci_cfg_set;
+	unsigned long pci_cfg_clr;
+};
 
 /* SOC Interrupt numbers */
 
@@ -575,38 +592,95 @@ enum soc_au1200_ints {
 #endif /* !defined (_LANGUAGE_ASSEMBLY) */
 
 /*
- * SDRAM register offsets
+ * Physical base addresses for integrated peripherals
+ * 0..au1000 1..au1500 2..au1100 3..au1550 4..au1200
  */
-#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || \
-    defined(CONFIG_SOC_AU1100)
-#define MEM_SDMODE0		0x0000
-#define MEM_SDMODE1		0x0004
-#define MEM_SDMODE2		0x0008
-#define MEM_SDADDR0		0x000C
-#define MEM_SDADDR1		0x0010
-#define MEM_SDADDR2		0x0014
-#define MEM_SDREFCFG		0x0018
-#define MEM_SDPRECMD		0x001C
-#define MEM_SDAUTOREF		0x0020
-#define MEM_SDWRMD0		0x0024
-#define MEM_SDWRMD1		0x0028
-#define MEM_SDWRMD2		0x002C
-#define MEM_SDSLEEP		0x0030
-#define MEM_SDSMCKE		0x0034
 
-/*
- * MEM_SDMODE register content definitions
- */
+#define AU1000_AC97_PHYS_ADDR		0x10000000 /* 012 */
+#define AU1000_USB_OHCI_PHYS_ADDR	0x10100000 /* 012 */
+#define AU1000_USB_UDC_PHYS_ADDR	0x10200000 /* 0123 */
+#define AU1000_IRDA_PHYS_ADDR		0x10300000 /* 02 */
+#define AU1200_AES_PHYS_ADDR		0x10300000 /* 4 */
+#define AU1000_IC0_PHYS_ADDR		0x10400000 /* 01234 */
+#define AU1000_MAC0_PHYS_ADDR		0x10500000 /* 023 */
+#define AU1000_MAC1_PHYS_ADDR		0x10510000 /* 023 */
+#define AU1000_MACEN_PHYS_ADDR		0x10520000 /* 023 */
+#define AU1100_SD0_PHYS_ADDR		0x10600000 /* 24 */
+#define AU1100_SD1_PHYS_ADDR		0x10680000 /* 24 */
+#define AU1550_PSC2_PHYS_ADDR		0x10A00000 /* 3 */
+#define AU1550_PSC3_PHYS_ADDR		0x10B00000 /* 3 */
+#define AU1000_I2S_PHYS_ADDR		0x11000000 /* 02 */
+#define AU1500_MAC0_PHYS_ADDR		0x11500000 /* 1 */
+#define AU1500_MAC1_PHYS_ADDR		0x11510000 /* 1 */
+#define AU1500_MACEN_PHYS_ADDR		0x11520000 /* 1 */
+#define AU1000_UART0_PHYS_ADDR		0x11100000 /* 01234 */
+#define AU1200_SWCNT_PHYS_ADDR		0x1110010C /* 4 */
+#define AU1000_UART1_PHYS_ADDR		0x11200000 /* 0234 */
+#define AU1000_UART2_PHYS_ADDR		0x11300000 /* 0 */
+#define AU1000_UART3_PHYS_ADDR		0x11400000 /* 0123 */
+#define AU1000_SSI0_PHYS_ADDR		0x11600000 /* 02 */
+#define AU1000_SSI1_PHYS_ADDR		0x11680000 /* 02 */
+#define AU1500_GPIO2_PHYS_ADDR		0x11700000 /* 1234 */
+#define AU1000_IC1_PHYS_ADDR		0x11800000 /* 01234 */
+#define AU1000_SYS_PHYS_ADDR		0x11900000 /* 01234 */
+#define AU1550_PSC0_PHYS_ADDR		0x11A00000 /* 34 */
+#define AU1550_PSC1_PHYS_ADDR		0x11B00000 /* 34 */
+#define AU1000_MEM_PHYS_ADDR		0x14000000 /* 01234 */
+#define AU1000_STATIC_MEM_PHYS_ADDR	0x14001000 /* 01234 */
+#define AU1000_DMA_PHYS_ADDR		0x14002000 /* 012 */
+#define AU1550_DBDMA_PHYS_ADDR		0x14002000 /* 34 */
+#define AU1550_DBDMA_CONF_PHYS_ADDR	0x14003000 /* 34 */
+#define AU1000_MACDMA0_PHYS_ADDR	0x14004000 /* 0123 */
+#define AU1000_MACDMA1_PHYS_ADDR	0x14004200 /* 0123 */
+#define AU1200_CIM_PHYS_ADDR		0x14004000 /* 4 */
+#define AU1500_PCI_PHYS_ADDR		0x14005000 /* 13 */
+#define AU1550_PE_PHYS_ADDR		0x14008000 /* 3 */
+#define AU1200_MAEBE_PHYS_ADDR		0x14010000 /* 4 */
+#define AU1200_MAEFE_PHYS_ADDR		0x14012000 /* 4 */
+#define AU1550_USB_OHCI_PHYS_ADDR	0x14020000 /* 3 */
+#define AU1200_USB_CTL_PHYS_ADDR	0x14020000 /* 4 */
+#define AU1200_USB_OTG_PHYS_ADDR	0x14020020 /* 4 */
+#define AU1200_USB_OHCI_PHYS_ADDR	0x14020100 /* 4 */
+#define AU1200_USB_EHCI_PHYS_ADDR	0x14020200 /* 4 */
+#define AU1200_USB_UDC_PHYS_ADDR	0x14022000 /* 4 */
+#define AU1100_LCD_PHYS_ADDR		0x15000000 /* 2 */
+#define AU1200_LCD_PHYS_ADDR		0x15000000 /* 4 */
+#define AU1500_PCI_MEM_PHYS_ADDR	0x400000000ULL /* 13 */
+#define AU1500_PCI_IO_PHYS_ADDR		0x500000000ULL /* 13 */
+#define AU1500_PCI_CONFIG0_PHYS_ADDR	0x600000000ULL /* 13 */
+#define AU1500_PCI_CONFIG1_PHYS_ADDR	0x680000000ULL /* 13 */
+#define AU1000_PCMCIA_IO_PHYS_ADDR	0xF00000000ULL /* 01234 */
+#define AU1000_PCMCIA_ATTR_PHYS_ADDR	0xF40000000ULL /* 01234 */
+#define AU1000_PCMCIA_MEM_PHYS_ADDR	0xF80000000ULL /* 01234 */
+
+
+/* Au1000 SDRAM memory controller register offsets */
+#define AU1000_MEM_SDMODE0		0x0000
+#define AU1000_MEM_SDMODE1		0x0004
+#define AU1000_MEM_SDMODE2		0x0008
+#define AU1000_MEM_SDADDR0		0x000C
+#define AU1000_MEM_SDADDR1		0x0010
+#define AU1000_MEM_SDADDR2		0x0014
+#define AU1000_MEM_SDREFCFG		0x0018
+#define AU1000_MEM_SDPRECMD		0x001C
+#define AU1000_MEM_SDAUTOREF		0x0020
+#define AU1000_MEM_SDWRMD0		0x0024
+#define AU1000_MEM_SDWRMD1		0x0028
+#define AU1000_MEM_SDWRMD2		0x002C
+#define AU1000_MEM_SDSLEEP		0x0030
+#define AU1000_MEM_SDSMCKE		0x0034
+
+/* MEM_SDMODE register content definitions */
 #define MEM_SDMODE_F		(1 << 22)
 #define MEM_SDMODE_SR		(1 << 21)
 #define MEM_SDMODE_BS		(1 << 20)
 #define MEM_SDMODE_RS		(3 << 18)
 #define MEM_SDMODE_CS		(7 << 15)
-#define MEM_SDMODE_TRAS 	(15 << 11)
-#define MEM_SDMODE_TMRD 	(3 << 9)
+#define MEM_SDMODE_TRAS		(15 << 11)
+#define MEM_SDMODE_TMRD		(3 << 9)
 #define MEM_SDMODE_TWR		(3 << 7)
 #define MEM_SDMODE_TRP		(3 << 5)
-#define MEM_SDMODE_TRCD 	(3 << 3)
+#define MEM_SDMODE_TRCD		(3 << 3)
 #define MEM_SDMODE_TCL		(7 << 0)
 
 #define MEM_SDMODE_BS_2Bank	(0 << 20)
@@ -628,173 +702,43 @@ enum soc_au1200_ints {
 #define MEM_SDMODE_TRCD_N(N)	((N) << 3)
 #define MEM_SDMODE_TCL_N(N)	((N) << 0)
 
-/*
- * MEM_SDADDR register contents definitions
- */
+/* MEM_SDADDR register contents definitions */
 #define MEM_SDADDR_E		(1 << 20)
-#define MEM_SDADDR_CSBA 	(0x03FF << 10)
+#define MEM_SDADDR_CSBA		(0x03FF << 10)
 #define MEM_SDADDR_CSMASK	(0x03FF << 0)
 #define MEM_SDADDR_CSBA_N(N)	((N) & (0x03FF << 22) >> 12)
 #define MEM_SDADDR_CSMASK_N(N)	((N)&(0x03FF << 22) >> 22)
 
-/*
- * MEM_SDREFCFG register content definitions
- */
+/* MEM_SDREFCFG register content definitions */
 #define MEM_SDREFCFG_TRC	(15 << 28)
 #define MEM_SDREFCFG_TRPM	(3 << 26)
 #define MEM_SDREFCFG_E		(1 << 25)
-#define MEM_SDREFCFG_RE 	(0x1ffffff << 0)
+#define MEM_SDREFCFG_RE		(0x1ffffff << 0)
 #define MEM_SDREFCFG_TRC_N(N)	((N) << MEM_SDREFCFG_TRC)
 #define MEM_SDREFCFG_TRPM_N(N)	((N) << MEM_SDREFCFG_TRPM)
 #define MEM_SDREFCFG_REF_N(N)	(N)
-#endif
-
-/***********************************************************************/
 
-/*
- * Au1550 SDRAM Register Offsets
- */
-
-/***********************************************************************/
-
-#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
-#define MEM_SDMODE0		0x0800
-#define MEM_SDMODE1		0x0808
-#define MEM_SDMODE2		0x0810
-#define MEM_SDADDR0		0x0820
-#define MEM_SDADDR1		0x0828
-#define MEM_SDADDR2		0x0830
-#define MEM_SDCONFIGA		0x0840
-#define MEM_SDCONFIGB		0x0848
-#define MEM_SDSTAT		0x0850
-#define MEM_SDERRADDR		0x0858
-#define MEM_SDSTRIDE0		0x0860
-#define MEM_SDSTRIDE1		0x0868
-#define MEM_SDSTRIDE2		0x0870
-#define MEM_SDWRMD0		0x0880
-#define MEM_SDWRMD1		0x0888
-#define MEM_SDWRMD2		0x0890
-#define MEM_SDPRECMD		0x08C0
-#define MEM_SDAUTOREF		0x08C8
-#define MEM_SDSREF		0x08D0
-#define MEM_SDSLEEP		MEM_SDSREF
-
-#endif
-
-/*
- * Physical base addresses for integrated peripherals
- * 0..au1000 1..au1500 2..au1100 3..au1550 4..au1200
- */
-
-#define AU1000_AC97_PHYS_ADDR		0x10000000 /* 012 */
-#define AU1000_USBD_PHYS_ADDR		0x10200000 /* 0123 */
-#define AU1000_IC0_PHYS_ADDR		0x10400000 /* 01234 */
-#define AU1000_MAC0_PHYS_ADDR		0x10500000 /* 023 */
-#define AU1000_MAC1_PHYS_ADDR		0x10510000 /* 023 */
-#define AU1000_MACEN_PHYS_ADDR		0x10520000 /* 023 */
-#define AU1100_SD0_PHYS_ADDR		0x10600000 /* 24 */
-#define AU1100_SD1_PHYS_ADDR		0x10680000 /* 24 */
-#define AU1000_I2S_PHYS_ADDR		0x11000000 /* 02 */
-#define AU1500_MAC0_PHYS_ADDR		0x11500000 /* 1 */
-#define AU1500_MAC1_PHYS_ADDR		0x11510000 /* 1 */
-#define AU1500_MACEN_PHYS_ADDR		0x11520000 /* 1 */
-#define AU1000_UART0_PHYS_ADDR		0x11100000 /* 01234 */
-#define AU1000_UART1_PHYS_ADDR		0x11200000 /* 0234 */
-#define AU1000_UART2_PHYS_ADDR		0x11300000 /* 0 */
-#define AU1000_UART3_PHYS_ADDR		0x11400000 /* 0123 */
-#define AU1500_GPIO2_PHYS_ADDR		0x11700000 /* 1234 */
-#define AU1000_IC1_PHYS_ADDR		0x11800000 /* 01234 */
-#define AU1000_SYS_PHYS_ADDR		0x11900000 /* 01234 */
-#define AU1000_DMA_PHYS_ADDR		0x14002000 /* 012 */
-#define AU1550_DBDMA_PHYS_ADDR		0x14002000 /* 34 */
-#define AU1550_DBDMA_CONF_PHYS_ADDR	0x14003000 /* 34 */
-#define AU1000_MACDMA0_PHYS_ADDR	0x14004000 /* 0123 */
-#define AU1000_MACDMA1_PHYS_ADDR	0x14004200 /* 0123 */
-
-
-#ifdef CONFIG_SOC_AU1000
-#define	MEM_PHYS_ADDR		0x14000000
-#define	STATIC_MEM_PHYS_ADDR	0x14001000
-#define	USBH_PHYS_ADDR		0x10100000
-#define	IRDA_PHYS_ADDR		0x10300000
-#define	SSI0_PHYS_ADDR		0x11600000
-#define	SSI1_PHYS_ADDR		0x11680000
-#define PCMCIA_IO_PHYS_ADDR	0xF00000000ULL
-#define PCMCIA_ATTR_PHYS_ADDR	0xF40000000ULL
-#define PCMCIA_MEM_PHYS_ADDR	0xF80000000ULL
-#endif
-
-/********************************************************************/
-
-#ifdef CONFIG_SOC_AU1500
-#define	MEM_PHYS_ADDR		0x14000000
-#define	STATIC_MEM_PHYS_ADDR	0x14001000
-#define	USBH_PHYS_ADDR		0x10100000
-#define PCI_PHYS_ADDR		0x14005000
-#define PCI_MEM_PHYS_ADDR	0x400000000ULL
-#define PCI_IO_PHYS_ADDR	0x500000000ULL
-#define PCI_CONFIG0_PHYS_ADDR	0x600000000ULL
-#define PCI_CONFIG1_PHYS_ADDR	0x680000000ULL
-#define PCMCIA_IO_PHYS_ADDR	0xF00000000ULL
-#define PCMCIA_ATTR_PHYS_ADDR	0xF40000000ULL
-#define PCMCIA_MEM_PHYS_ADDR	0xF80000000ULL
-#endif
-
-/********************************************************************/
-
-#ifdef CONFIG_SOC_AU1100
-#define	MEM_PHYS_ADDR		0x14000000
-#define	STATIC_MEM_PHYS_ADDR	0x14001000
-#define	USBH_PHYS_ADDR		0x10100000
-#define	IRDA_PHYS_ADDR		0x10300000
-#define	SSI0_PHYS_ADDR		0x11600000
-#define	SSI1_PHYS_ADDR		0x11680000
-#define LCD_PHYS_ADDR		0x15000000
-#define PCMCIA_IO_PHYS_ADDR	0xF00000000ULL
-#define PCMCIA_ATTR_PHYS_ADDR	0xF40000000ULL
-#define PCMCIA_MEM_PHYS_ADDR	0xF80000000ULL
-#endif
-
-/***********************************************************************/
-
-#ifdef CONFIG_SOC_AU1550
-#define	MEM_PHYS_ADDR		0x14000000
-#define	STATIC_MEM_PHYS_ADDR	0x14001000
-#define	USBH_PHYS_ADDR		0x14020000
-#define PCI_PHYS_ADDR		0x14005000
-#define PE_PHYS_ADDR		0x14008000
-#define PSC0_PHYS_ADDR		0x11A00000
-#define PSC1_PHYS_ADDR		0x11B00000
-#define PSC2_PHYS_ADDR		0x10A00000
-#define PSC3_PHYS_ADDR		0x10B00000
-#define PCI_MEM_PHYS_ADDR	0x400000000ULL
-#define PCI_IO_PHYS_ADDR	0x500000000ULL
-#define PCI_CONFIG0_PHYS_ADDR	0x600000000ULL
-#define PCI_CONFIG1_PHYS_ADDR	0x680000000ULL
-#define PCMCIA_IO_PHYS_ADDR	0xF00000000ULL
-#define PCMCIA_ATTR_PHYS_ADDR	0xF40000000ULL
-#define PCMCIA_MEM_PHYS_ADDR	0xF80000000ULL
-#endif
-
-/***********************************************************************/
-
-#ifdef CONFIG_SOC_AU1200
-#define	MEM_PHYS_ADDR		0x14000000
-#define	STATIC_MEM_PHYS_ADDR	0x14001000
-#define AES_PHYS_ADDR		0x10300000
-#define CIM_PHYS_ADDR		0x14004000
-#define USBM_PHYS_ADDR		0x14020000
-#define	USBH_PHYS_ADDR		0x14020100
-#define PSC0_PHYS_ADDR	 	0x11A00000
-#define PSC1_PHYS_ADDR	 	0x11B00000
-#define LCD_PHYS_ADDR		0x15000000
-#define SWCNT_PHYS_ADDR		0x1110010C
-#define MAEFE_PHYS_ADDR		0x14012000
-#define MAEBE_PHYS_ADDR		0x14010000
-#define PCMCIA_IO_PHYS_ADDR	0xF00000000ULL
-#define PCMCIA_ATTR_PHYS_ADDR	0xF40000000ULL
-#define PCMCIA_MEM_PHYS_ADDR	0xF80000000ULL
-#endif
+/* Au1550 SDRAM Register Offsets */
+#define AU1550_MEM_SDMODE0		0x0800
+#define AU1550_MEM_SDMODE1		0x0808
+#define AU1550_MEM_SDMODE2		0x0810
+#define AU1550_MEM_SDADDR0		0x0820
+#define AU1550_MEM_SDADDR1		0x0828
+#define AU1550_MEM_SDADDR2		0x0830
+#define AU1550_MEM_SDCONFIGA		0x0840
+#define AU1550_MEM_SDCONFIGB		0x0848
+#define AU1550_MEM_SDSTAT		0x0850
+#define AU1550_MEM_SDERRADDR		0x0858
+#define AU1550_MEM_SDSTRIDE0		0x0860
+#define AU1550_MEM_SDSTRIDE1		0x0868
+#define AU1550_MEM_SDSTRIDE2		0x0870
+#define AU1550_MEM_SDWRMD0		0x0880
+#define AU1550_MEM_SDWRMD1		0x0888
+#define AU1550_MEM_SDWRMD2		0x0890
+#define AU1550_MEM_SDPRECMD		0x08C0
+#define AU1550_MEM_SDAUTOREF		0x08C8
+#define AU1550_MEM_SDSREF		0x08D0
+#define AU1550_MEM_SDSLEEP		MEM_SDSREF
 
 /* Static Bus Controller */
 #define MEM_STCFG0		0xB4001000
@@ -813,81 +757,14 @@ enum soc_au1200_ints {
 #define MEM_STTIME3		0xB4001034
 #define MEM_STADDR3		0xB4001038
 
-#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
 #define MEM_STNDCTL		0xB4001100
 #define MEM_STSTAT		0xB4001104
 
 #define MEM_STNAND_CMD		0x0
 #define MEM_STNAND_ADDR 	0x4
 #define MEM_STNAND_DATA 	0x20
-#endif
-
 
 
-
-/* Au1000 */
-#ifdef CONFIG_SOC_AU1000
-
-#define USB_OHCI_BASE		0x10100000	/* phys addr for ioremap */
-#define USB_HOST_CONFIG 	0xB017FFFC
-#define FOR_PLATFORM_C_USB_HOST_INT AU1000_USB_HOST_INT
-#endif /* CONFIG_SOC_AU1000 */
-
-/* Au1500 */
-#ifdef CONFIG_SOC_AU1500
-
-#define USB_OHCI_BASE		0x10100000	/* phys addr for ioremap */
-#define USB_HOST_CONFIG 	0xB017fffc
-#define FOR_PLATFORM_C_USB_HOST_INT AU1500_USB_HOST_INT
-#endif /* CONFIG_SOC_AU1500 */
-
-/* Au1100 */
-#ifdef CONFIG_SOC_AU1100
-
-#define USB_OHCI_BASE		0x10100000	/* phys addr for ioremap */
-#define USB_HOST_CONFIG 	0xB017FFFC
-#define FOR_PLATFORM_C_USB_HOST_INT AU1100_USB_HOST_INT
-#endif /* CONFIG_SOC_AU1100 */
-
-#ifdef CONFIG_SOC_AU1550
-
-#define USB_OHCI_BASE		0x14020000	/* phys addr for ioremap */
-#define USB_OHCI_LEN		0x00060000
-#define USB_HOST_CONFIG 	0xB4027ffc
-#define FOR_PLATFORM_C_USB_HOST_INT AU1550_USB_HOST_INT
-#endif /* CONFIG_SOC_AU1550 */
-
-
-#ifdef CONFIG_SOC_AU1200
-
-#define USB_UOC_BASE		0x14020020
-#define USB_UOC_LEN		0x20
-#define USB_OHCI_BASE		0x14020100
-#define USB_OHCI_LEN		0x100
-#define USB_EHCI_BASE		0x14020200
-#define USB_EHCI_LEN		0x100
-#define USB_UDC_BASE		0x14022000
-#define USB_UDC_LEN		0x2000
-#define USB_MSR_BASE		0xB4020000
-#define USB_MSR_MCFG		4
-#define USBMSRMCFG_OMEMEN	0
-#define USBMSRMCFG_OBMEN	1
-#define USBMSRMCFG_EMEMEN	2
-#define USBMSRMCFG_EBMEN	3
-#define USBMSRMCFG_DMEMEN	4
-#define USBMSRMCFG_DBMEN	5
-#define USBMSRMCFG_GMEMEN	6
-#define USBMSRMCFG_OHCCLKEN	16
-#define USBMSRMCFG_EHCCLKEN	17
-#define USBMSRMCFG_UDCCLKEN	18
-#define USBMSRMCFG_PHYPLLEN	19
-#define USBMSRMCFG_RDCOMB	30
-#define USBMSRMCFG_PFEN 	31
-
-#define FOR_PLATFORM_C_USB_HOST_INT AU1200_USB_INT
-
-#endif /* CONFIG_SOC_AU1200 */
-
 /* Programmable Counters 0 and 1 */
 #define SYS_BASE		0xB1900000
 #define SYS_COUNTER_CNTRL	(SYS_BASE + 0x14)
@@ -958,56 +835,6 @@ enum soc_au1200_ints {
 #  define I2S_CONTROL_D 	(1 << 1)
 #  define I2S_CONTROL_CE	(1 << 0)
 
-/* USB Host Controller */
-#ifndef USB_OHCI_LEN
-#define USB_OHCI_LEN		0x00100000
-#endif
-
-#ifndef CONFIG_SOC_AU1200
-
-/* USB Device Controller */
-#define USBD_EP0RD		0xB0200000
-#define USBD_EP0WR		0xB0200004
-#define USBD_EP2WR		0xB0200008
-#define USBD_EP3WR		0xB020000C
-#define USBD_EP4RD		0xB0200010
-#define USBD_EP5RD		0xB0200014
-#define USBD_INTEN		0xB0200018
-#define USBD_INTSTAT		0xB020001C
-#  define USBDEV_INT_SOF	(1 << 12)
-#  define USBDEV_INT_HF_BIT	6
-#  define USBDEV_INT_HF_MASK	(0x3f << USBDEV_INT_HF_BIT)
-#  define USBDEV_INT_CMPLT_BIT	0
-#  define USBDEV_INT_CMPLT_MASK (0x3f << USBDEV_INT_CMPLT_BIT)
-#define USBD_CONFIG		0xB0200020
-#define USBD_EP0CS		0xB0200024
-#define USBD_EP2CS		0xB0200028
-#define USBD_EP3CS		0xB020002C
-#define USBD_EP4CS		0xB0200030
-#define USBD_EP5CS		0xB0200034
-#  define USBDEV_CS_SU		(1 << 14)
-#  define USBDEV_CS_NAK 	(1 << 13)
-#  define USBDEV_CS_ACK 	(1 << 12)
-#  define USBDEV_CS_BUSY	(1 << 11)
-#  define USBDEV_CS_TSIZE_BIT	1
-#  define USBDEV_CS_TSIZE_MASK	(0x3ff << USBDEV_CS_TSIZE_BIT)
-#  define USBDEV_CS_STALL	(1 << 0)
-#define USBD_EP0RDSTAT		0xB0200040
-#define USBD_EP0WRSTAT		0xB0200044
-#define USBD_EP2WRSTAT		0xB0200048
-#define USBD_EP3WRSTAT		0xB020004C
-#define USBD_EP4RDSTAT		0xB0200050
-#define USBD_EP5RDSTAT		0xB0200054
-#  define USBDEV_FSTAT_FLUSH	(1 << 6)
-#  define USBDEV_FSTAT_UF	(1 << 5)
-#  define USBDEV_FSTAT_OF	(1 << 4)
-#  define USBDEV_FSTAT_FCNT_BIT 0
-#  define USBDEV_FSTAT_FCNT_MASK (0x0f << USBDEV_FSTAT_FCNT_BIT)
-#define USBD_ENABLE		0xB0200058
-#  define USBDEV_ENABLE 	(1 << 1)
-#  define USBDEV_CE		(1 << 0)
-
-#endif /* !CONFIG_SOC_AU1200 */
 
 /* Ethernet Controllers  */
 
@@ -1322,7 +1149,6 @@ enum soc_au1200_ints {
 #  define SYS_PF_MUST_BE_SET	((1 << 5) | (1 << 2))
 
 /* Au1200 only */
-#ifdef CONFIG_SOC_AU1200
 #define SYS_PINFUNC_DMA 	(1 << 31)
 #define SYS_PINFUNC_S0A 	(1 << 30)
 #define SYS_PINFUNC_S1A 	(1 << 29)
@@ -1350,7 +1176,6 @@ enum soc_au1200_ints {
 #define SYS_PINFUNC_P0B 	(1 << 4)
 #define SYS_PINFUNC_U0T 	(1 << 3)
 #define SYS_PINFUNC_S1B 	(1 << 2)
-#endif
 
 /* Power Management */
 #define SYS_SCRATCH0		0xB1900018
@@ -1406,12 +1231,12 @@ enum soc_au1200_ints {
 #  define SYS_CS_MI2_MASK	(0x7 << SYS_CS_MI2_BIT)
 #  define SYS_CS_DI2		(1 << 16)
 #  define SYS_CS_CI2		(1 << 15)
-#ifdef CONFIG_SOC_AU1100
+
 #  define SYS_CS_ML_BIT 	7
 #  define SYS_CS_ML_MASK	(0x7 << SYS_CS_ML_BIT)
 #  define SYS_CS_DL		(1 << 6)
 #  define SYS_CS_CL		(1 << 5)
-#else
+
 #  define SYS_CS_MUH_BIT	12
 #  define SYS_CS_MUH_MASK	(0x7 << SYS_CS_MUH_BIT)
 #  define SYS_CS_DUH		(1 << 11)
@@ -1420,7 +1245,7 @@ enum soc_au1200_ints {
 #  define SYS_CS_MUD_MASK	(0x7 << SYS_CS_MUD_BIT)
 #  define SYS_CS_DUD		(1 << 6)
 #  define SYS_CS_CUD		(1 << 5)
-#endif
+
 #  define SYS_CS_MIR_BIT	2
 #  define SYS_CS_MIR_MASK	(0x7 << SYS_CS_MIR_BIT)
 #  define SYS_CS_DIR		(1 << 1)
@@ -1467,58 +1292,30 @@ enum soc_au1200_ints {
 #  define AC97C_RS		(1 << 1)
 #  define AC97C_CE		(1 << 0)
 
-#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550)
-/* Au1500 PCI Controller */
-#define Au1500_CFG_BASE 	0xB4005000	/* virtual, KSEG1 addr */
-#define Au1500_PCI_CMEM 	(Au1500_CFG_BASE + 0)
-#define Au1500_PCI_CFG		(Au1500_CFG_BASE + 4)
-#  define PCI_ERROR		((1 << 22) | (1 << 23) | (1 << 24) | \
-				 (1 << 25) | (1 << 26) | (1 << 27))
-#define Au1500_PCI_B2BMASK_CCH	(Au1500_CFG_BASE + 8)
-#define Au1500_PCI_B2B0_VID	(Au1500_CFG_BASE + 0xC)
-#define Au1500_PCI_B2B1_ID	(Au1500_CFG_BASE + 0x10)
-#define Au1500_PCI_MWMASK_DEV	(Au1500_CFG_BASE + 0x14)
-#define Au1500_PCI_MWBASE_REV_CCL (Au1500_CFG_BASE + 0x18)
-#define Au1500_PCI_ERR_ADDR	(Au1500_CFG_BASE + 0x1C)
-#define Au1500_PCI_SPEC_INTACK	(Au1500_CFG_BASE + 0x20)
-#define Au1500_PCI_ID		(Au1500_CFG_BASE + 0x100)
-#define Au1500_PCI_STATCMD	(Au1500_CFG_BASE + 0x104)
-#define Au1500_PCI_CLASSREV	(Au1500_CFG_BASE + 0x108)
-#define Au1500_PCI_HDRTYPE	(Au1500_CFG_BASE + 0x10C)
-#define Au1500_PCI_MBAR 	(Au1500_CFG_BASE + 0x110)
-
-#define Au1500_PCI_HDR		0xB4005100	/* virtual, KSEG1 addr */
 
-/*
- * All of our structures, like PCI resource, have 32-bit members.
- * Drivers are expected to do an ioremap on the PCI MEM resource, but it's
- * hard to store 0x4 0000 0000 in a 32-bit type.  We require a small patch
- * to __ioremap to check for addresses between (u32)Au1500_PCI_MEM_START and
- * (u32)Au1500_PCI_MEM_END and change those to the full 36-bit PCI MEM
- * addresses.  For PCI I/O, it's simpler because we get to do the ioremap
- * ourselves and then adjust the device's resources.
+/* The PCI chip selects are outside the 32bit space, and since we can't
+ * just program the 36bit addresses into BARs, we have to take a chunk
+ * out of the 32bit space and reserve it for PCI.  When these addresses
+ * are ioremap()ed, they'll be fixed up to the real 36bit address before
+ * being passed to the real ioremap function.
  */
-#define Au1500_EXT_CFG		0x600000000ULL
-#define Au1500_EXT_CFG_TYPE1	0x680000000ULL
-#define Au1500_PCI_IO_START	0x500000000ULL
-#define Au1500_PCI_IO_END	0x5000FFFFFULL
-#define Au1500_PCI_MEM_START	0x440000000ULL
-#define Au1500_PCI_MEM_END	0x44FFFFFFFULL
+#define ALCHEMY_PCI_MEMWIN_START	(AU1500_PCI_MEM_PHYS_ADDR >> 4)
+#define ALCHEMY_PCI_MEMWIN_END		(ALCHEMY_PCI_MEMWIN_START + 0x0FFFFFFF)
 
-#define PCI_IO_START	0x00001000
-#define PCI_IO_END	0x000FFFFF
-#define PCI_MEM_START	0x40000000
-#define PCI_MEM_END	0x4FFFFFFF
+/* for PCI IO it's simpler because we get to do the ioremap ourselves and then
+ * adjust the device's resources.
+ */
+#define ALCHEMY_PCI_IOWIN_START		0x00001000
+#define ALCHEMY_PCI_IOWIN_END		0x0000FFFF
 
-#define PCI_FIRST_DEVFN (0 << 3)
-#define PCI_LAST_DEVFN	(19 << 3)
+#ifdef CONFIG_PCI
 
 #define IOPORT_RESOURCE_START	0x00001000	/* skip legacy probing */
 #define IOPORT_RESOURCE_END	0xffffffff
 #define IOMEM_RESOURCE_START	0x10000000
 #define IOMEM_RESOURCE_END	0xfffffffffULL
 
-#else /* Au1000 and Au1100 and Au1200 */
+#else
 
 /* Don't allow any legacy ports probing */
 #define IOPORT_RESOURCE_START	0x10000000
@@ -1526,13 +1323,77 @@ enum soc_au1200_ints {
 #define IOMEM_RESOURCE_START	0x10000000
 #define IOMEM_RESOURCE_END	0xfffffffffULL
 
-#define PCI_IO_START	0
-#define PCI_IO_END	0
-#define PCI_MEM_START	0
-#define PCI_MEM_END	0
-#define PCI_FIRST_DEVFN 0
-#define PCI_LAST_DEVFN	0
-
 #endif
 
+/* PCI controller block register offsets */
+#define PCI_REG_CMEM		0x0000
+#define PCI_REG_CONFIG		0x0004
+#define PCI_REG_B2BMASK_CCH	0x0008
+#define PCI_REG_B2BBASE0_VID	0x000C
+#define PCI_REG_B2BBASE1_SID	0x0010
+#define PCI_REG_MWMASK_DEV	0x0014
+#define PCI_REG_MWBASE_REV_CCL	0x0018
+#define PCI_REG_ERR_ADDR	0x001C
+#define PCI_REG_SPEC_INTACK	0x0020
+#define PCI_REG_ID		0x0100
+#define PCI_REG_STATCMD		0x0104
+#define PCI_REG_CLASSREV	0x0108
+#define PCI_REG_PARAM		0x010C
+#define PCI_REG_MBAR		0x0110
+#define PCI_REG_TIMEOUT		0x0140
+
+/* PCI controller block register bits */
+#define PCI_CMEM_E		(1 << 28)	/* enable cacheable memory */
+#define PCI_CMEM_CMBASE(x)	(((x) & 0x3fff) << 14)
+#define PCI_CMEM_CMMASK(x)	((x) & 0x3fff)
+#define PCI_CONFIG_ERD		(1 << 27) /* pci error during R/W */
+#define PCI_CONFIG_ET		(1 << 26) /* error in target mode */
+#define PCI_CONFIG_EF		(1 << 25) /* fatal error */
+#define PCI_CONFIG_EP		(1 << 24) /* parity error */
+#define PCI_CONFIG_EM		(1 << 23) /* multiple errors */
+#define PCI_CONFIG_BM		(1 << 22) /* bad master error */
+#define PCI_CONFIG_PD		(1 << 20) /* PCI Disable */
+#define PCI_CONFIG_BME		(1 << 19) /* Byte Mask Enable for reads */
+#define PCI_CONFIG_NC		(1 << 16) /* mark mem access non-coherent */
+#define PCI_CONFIG_IA		(1 << 15) /* INTA# enabled (target mode) */
+#define PCI_CONFIG_IP		(1 << 13) /* int on PCI_PERR# */
+#define PCI_CONFIG_IS		(1 << 12) /* int on PCI_SERR# */
+#define PCI_CONFIG_IMM		(1 << 11) /* int on master abort */
+#define PCI_CONFIG_ITM		(1 << 10) /* int on target abort (as master) */
+#define PCI_CONFIG_ITT		(1 << 9)  /* int on target abort (as target) */
+#define PCI_CONFIG_IPB		(1 << 8)  /* int on PERR# in bus master acc */
+#define PCI_CONFIG_SIC_NO	(0 << 6)  /* no byte mask changes */
+#define PCI_CONFIG_SIC_BA_ADR	(1 << 6)  /* on byte/hw acc, invert adr bits */
+#define PCI_CONFIG_SIC_HWA_DAT	(2 << 6)  /* on halfword acc, swap data */
+#define PCI_CONFIG_SIC_ALL	(3 << 6)  /* swap data bytes on all accesses */
+#define PCI_CONFIG_ST		(1 << 5)  /* swap data by target transactions */
+#define PCI_CONFIG_SM		(1 << 4)  /* swap data from PCI ctl */
+#define PCI_CONFIG_AEN		(1 << 3)  /* enable internal arbiter */
+#define PCI_CONFIG_R2H		(1 << 2)  /* REQ2# to hi-prio arbiter */
+#define PCI_CONFIG_R1H		(1 << 1)  /* REQ1# to hi-prio arbiter */
+#define PCI_CONFIG_CH		(1 << 0)  /* PCI ctl to hi-prio arbiter */
+#define PCI_B2BMASK_B2BMASK(x)	(((x) & 0xffff) << 16)
+#define PCI_B2BMASK_CCH(x)	((x) & 0xffff) /* 16 upper bits of class code */
+#define PCI_B2BBASE0_VID_B0(x)	(((x) & 0xffff) << 16)
+#define PCI_B2BBASE0_VID_SV(x)	((x) & 0xffff)
+#define PCI_B2BBASE1_SID_B1(x)	(((x) & 0xffff) << 16)
+#define PCI_B2BBASE1_SID_SI(x)	((x) & 0xffff)
+#define PCI_MWMASKDEV_MWMASK(x) (((x) & 0xffff) << 16)
+#define PCI_MWMASKDEV_DEVID(x)	((x) & 0xffff)
+#define PCI_MWBASEREVCCL_BASE(x) (((x) & 0xffff) << 16)
+#define PCI_MWBASEREVCCL_REV(x)  (((x) & 0xff) << 8)
+#define PCI_MWBASEREVCCL_CCL(x)  ((x) & 0xff)
+#define PCI_ID_DID(x)		(((x) & 0xffff) << 16)
+#define PCI_ID_VID(x)		((x) & 0xffff)
+#define PCI_STATCMD_STATUS(x)	(((x) & 0xffff) << 16)
+#define PCI_STATCMD_CMD(x)	((x) & 0xffff)
+#define PCI_CLASSREV_CLASS(x)	(((x) & 0x00ffffff) << 8)
+#define PCI_CLASSREV_REV(x)	((x) & 0xff)
+#define PCI_PARAM_BIST(x)	(((x) & 0xff) << 24)
+#define PCI_PARAM_HT(x)		(((x) & 0xff) << 16)
+#define PCI_PARAM_LT(x)		(((x) & 0xff) << 8)
+#define PCI_PARAM_CLS(x)	((x) & 0xff)
+#define PCI_TIMEOUT_RETRIES(x)	(((x) & 0xff) << 8)	/* max retries */
+#define PCI_TIMEOUT_TO(x)	((x) & 0xff)	/* target ready timeout */
+
 #endif
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx.h b/arch/mips/include/asm/mach-au1x00/au1xxx.h
deleted file mode 100644
index 1b3655090ed3..000000000000
--- a/arch/mips/include/asm/mach-au1x00/au1xxx.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef _AU1XXX_H_
-#define _AU1XXX_H_
-
-#include <asm/mach-au1x00/au1000.h>
-
-#if defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) || \
-    defined(CONFIG_MIPS_DB1500) || defined(CONFIG_MIPS_DB1550)
-#include <asm/mach-db1x00/db1x00.h>
-
-#elif defined(CONFIG_MIPS_PB1550)
-#include <asm/mach-pb1x00/pb1550.h>
-
-#elif defined(CONFIG_MIPS_PB1200)
-#include <asm/mach-pb1x00/pb1200.h>
-
-#elif defined(CONFIG_MIPS_DB1200)
-#include <asm/mach-db1x00/db1200.h>
-
-#endif
-
-#endif /* _AU1XXX_H_ */
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
index 2fdacfe85e23..323ce2d145f2 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h
@@ -126,66 +126,62 @@ typedef volatile struct au1xxx_ddma_desc {
 #define SW_STATUS_INUSE 	(1 << 0)
 
 /* Command 0 device IDs. */
-#ifdef CONFIG_SOC_AU1550
-#define DSCR_CMD0_UART0_TX	0
-#define DSCR_CMD0_UART0_RX	1
-#define DSCR_CMD0_UART3_TX	2
-#define DSCR_CMD0_UART3_RX	3
-#define DSCR_CMD0_DMA_REQ0	4
-#define DSCR_CMD0_DMA_REQ1	5
-#define DSCR_CMD0_DMA_REQ2	6
-#define DSCR_CMD0_DMA_REQ3	7
-#define DSCR_CMD0_USBDEV_RX0	8
-#define DSCR_CMD0_USBDEV_TX0	9
-#define DSCR_CMD0_USBDEV_TX1	10
-#define DSCR_CMD0_USBDEV_TX2	11
-#define DSCR_CMD0_USBDEV_RX3	12
-#define DSCR_CMD0_USBDEV_RX4	13
-#define DSCR_CMD0_PSC0_TX	14
-#define DSCR_CMD0_PSC0_RX	15
-#define DSCR_CMD0_PSC1_TX	16
-#define DSCR_CMD0_PSC1_RX	17
-#define DSCR_CMD0_PSC2_TX	18
-#define DSCR_CMD0_PSC2_RX	19
-#define DSCR_CMD0_PSC3_TX	20
-#define DSCR_CMD0_PSC3_RX	21
-#define DSCR_CMD0_PCI_WRITE	22
-#define DSCR_CMD0_NAND_FLASH	23
-#define DSCR_CMD0_MAC0_RX	24
-#define DSCR_CMD0_MAC0_TX	25
-#define DSCR_CMD0_MAC1_RX	26
-#define DSCR_CMD0_MAC1_TX	27
-#endif /* CONFIG_SOC_AU1550 */
-
-#ifdef CONFIG_SOC_AU1200
-#define DSCR_CMD0_UART0_TX	0
-#define DSCR_CMD0_UART0_RX	1
-#define DSCR_CMD0_UART1_TX	2
-#define DSCR_CMD0_UART1_RX	3
-#define DSCR_CMD0_DMA_REQ0	4
-#define DSCR_CMD0_DMA_REQ1	5
-#define DSCR_CMD0_MAE_BE	6
-#define DSCR_CMD0_MAE_FE	7
-#define DSCR_CMD0_SDMS_TX0	8
-#define DSCR_CMD0_SDMS_RX0	9
-#define DSCR_CMD0_SDMS_TX1	10
-#define DSCR_CMD0_SDMS_RX1	11
-#define DSCR_CMD0_AES_TX	13
-#define DSCR_CMD0_AES_RX	12
-#define DSCR_CMD0_PSC0_TX	14
-#define DSCR_CMD0_PSC0_RX	15
-#define DSCR_CMD0_PSC1_TX	16
-#define DSCR_CMD0_PSC1_RX	17
-#define DSCR_CMD0_CIM_RXA	18
-#define DSCR_CMD0_CIM_RXB	19
-#define DSCR_CMD0_CIM_RXC	20
-#define DSCR_CMD0_MAE_BOTH	21
-#define DSCR_CMD0_LCD		22
-#define DSCR_CMD0_NAND_FLASH	23
-#define DSCR_CMD0_PSC0_SYNC	24
-#define DSCR_CMD0_PSC1_SYNC	25
-#define DSCR_CMD0_CIM_SYNC	26
-#endif /* CONFIG_SOC_AU1200 */
+#define AU1550_DSCR_CMD0_UART0_TX	0
+#define AU1550_DSCR_CMD0_UART0_RX	1
+#define AU1550_DSCR_CMD0_UART3_TX	2
+#define AU1550_DSCR_CMD0_UART3_RX	3
+#define AU1550_DSCR_CMD0_DMA_REQ0	4
+#define AU1550_DSCR_CMD0_DMA_REQ1	5
+#define AU1550_DSCR_CMD0_DMA_REQ2	6
+#define AU1550_DSCR_CMD0_DMA_REQ3	7
+#define AU1550_DSCR_CMD0_USBDEV_RX0	8
+#define AU1550_DSCR_CMD0_USBDEV_TX0	9
+#define AU1550_DSCR_CMD0_USBDEV_TX1	10
+#define AU1550_DSCR_CMD0_USBDEV_TX2	11
+#define AU1550_DSCR_CMD0_USBDEV_RX3	12
+#define AU1550_DSCR_CMD0_USBDEV_RX4	13
+#define AU1550_DSCR_CMD0_PSC0_TX	14
+#define AU1550_DSCR_CMD0_PSC0_RX	15
+#define AU1550_DSCR_CMD0_PSC1_TX	16
+#define AU1550_DSCR_CMD0_PSC1_RX	17
+#define AU1550_DSCR_CMD0_PSC2_TX	18
+#define AU1550_DSCR_CMD0_PSC2_RX	19
+#define AU1550_DSCR_CMD0_PSC3_TX	20
+#define AU1550_DSCR_CMD0_PSC3_RX	21
+#define AU1550_DSCR_CMD0_PCI_WRITE	22
+#define AU1550_DSCR_CMD0_NAND_FLASH	23
+#define AU1550_DSCR_CMD0_MAC0_RX	24
+#define AU1550_DSCR_CMD0_MAC0_TX	25
+#define AU1550_DSCR_CMD0_MAC1_RX	26
+#define AU1550_DSCR_CMD0_MAC1_TX	27
+
+#define AU1200_DSCR_CMD0_UART0_TX	0
+#define AU1200_DSCR_CMD0_UART0_RX	1
+#define AU1200_DSCR_CMD0_UART1_TX	2
+#define AU1200_DSCR_CMD0_UART1_RX	3
+#define AU1200_DSCR_CMD0_DMA_REQ0	4
+#define AU1200_DSCR_CMD0_DMA_REQ1	5
+#define AU1200_DSCR_CMD0_MAE_BE		6
+#define AU1200_DSCR_CMD0_MAE_FE		7
+#define AU1200_DSCR_CMD0_SDMS_TX0	8
+#define AU1200_DSCR_CMD0_SDMS_RX0	9
+#define AU1200_DSCR_CMD0_SDMS_TX1	10
+#define AU1200_DSCR_CMD0_SDMS_RX1	11
+#define AU1200_DSCR_CMD0_AES_TX		13
+#define AU1200_DSCR_CMD0_AES_RX		12
+#define AU1200_DSCR_CMD0_PSC0_TX	14
+#define AU1200_DSCR_CMD0_PSC0_RX	15
+#define AU1200_DSCR_CMD0_PSC1_TX	16
+#define AU1200_DSCR_CMD0_PSC1_RX	17
+#define AU1200_DSCR_CMD0_CIM_RXA	18
+#define AU1200_DSCR_CMD0_CIM_RXB	19
+#define AU1200_DSCR_CMD0_CIM_RXC	20
+#define AU1200_DSCR_CMD0_MAE_BOTH	21
+#define AU1200_DSCR_CMD0_LCD		22
+#define AU1200_DSCR_CMD0_NAND_FLASH	23
+#define AU1200_DSCR_CMD0_PSC0_SYNC	24
+#define AU1200_DSCR_CMD0_PSC1_SYNC	25
+#define AU1200_DSCR_CMD0_CIM_SYNC	26
 
 #define DSCR_CMD0_THROTTLE	30
 #define DSCR_CMD0_ALWAYS	31
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h b/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h
index 5656c72de6d3..e306384b1414 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h
@@ -58,6 +58,7 @@ typedef struct {
 #endif
 	int			irq;
 	u32			regbase;
+	int			ddma_id;
 } _auide_hwif;
 
 /******************************************************************************/
diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h b/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h
index 5a5cb7386427..4e3f3bc26c60 100644
--- a/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h
+++ b/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h
@@ -33,19 +33,6 @@
 #ifndef _AU1000_PSC_H_
 #define _AU1000_PSC_H_
 
-/* The PSC base addresses.  */
-#ifdef CONFIG_SOC_AU1550
-#define PSC0_BASE_ADDR		0xb1a00000
-#define PSC1_BASE_ADDR		0xb1b00000
-#define PSC2_BASE_ADDR		0xb0a00000
-#define PSC3_BASE_ADDR		0xb0b00000
-#endif
-
-#ifdef CONFIG_SOC_AU1200
-#define PSC0_BASE_ADDR		0xb1a00000
-#define PSC1_BASE_ADDR		0xb1b00000
-#endif
-
 /*
  * The PSC select and control registers are common to all protocols.
  */
@@ -80,19 +67,6 @@
 #define PSC_AC97GPO_OFFSET	0x00000028
 #define PSC_AC97GPI_OFFSET	0x0000002c
 
-#define AC97_PSC_SEL		(AC97_PSC_BASE + PSC_SEL_OFFSET)
-#define AC97_PSC_CTRL		(AC97_PSC_BASE + PSC_CTRL_OFFSET)
-#define PSC_AC97CFG		(AC97_PSC_BASE + PSC_AC97CFG_OFFSET)
-#define PSC_AC97MSK		(AC97_PSC_BASE + PSC_AC97MSK_OFFSET)
-#define PSC_AC97PCR		(AC97_PSC_BASE + PSC_AC97PCR_OFFSET)
-#define PSC_AC97STAT		(AC97_PSC_BASE + PSC_AC97STAT_OFFSET)
-#define PSC_AC97EVNT		(AC97_PSC_BASE + PSC_AC97EVNT_OFFSET)
-#define PSC_AC97TXRX		(AC97_PSC_BASE + PSC_AC97TXRX_OFFSET)
-#define PSC_AC97CDC		(AC97_PSC_BASE + PSC_AC97CDC_OFFSET)
-#define PSC_AC97RST		(AC97_PSC_BASE + PSC_AC97RST_OFFSET)
-#define PSC_AC97GPO		(AC97_PSC_BASE + PSC_AC97GPO_OFFSET)
-#define PSC_AC97GPI		(AC97_PSC_BASE + PSC_AC97GPI_OFFSET)
-
 /* AC97 Config Register. */
 #define PSC_AC97CFG_RT_MASK	(3 << 30)
 #define PSC_AC97CFG_RT_FIFO1	(0 << 30)
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
index 1f41a522906d..73853b5a2a31 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
@@ -347,17 +347,6 @@ static inline int alchemy_gpio2_to_irq(int gpio)
 
 /**********************************************************************/
 
-/* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before
- * SYS_PININPUTEN is written to at least once.  On Au1550/Au1200 this
- * register enables use of GPIOs as wake source.
- */
-static inline void alchemy_gpio1_input_enable(void)
-{
-	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR);
-	__raw_writel(0, base + SYS_PININPUTEN);	/* the write op is key */
-	wmb();
-}
-
 /* GPIO2 shared interrupts and control */
 
 static inline void __alchemy_gpio2_mod_int(int gpio2, int en)
@@ -561,6 +550,7 @@ static inline int alchemy_irq_to_gpio(int irq)
 
 #ifndef CONFIG_GPIOLIB
 
+#ifdef CONFIG_ALCHEMY_GPIOINT_AU1000
 
 #ifndef CONFIG_ALCHEMY_GPIO_INDIRECT	/* case (4) */
 
@@ -665,24 +655,7 @@ static inline void gpio_unexport(unsigned gpio)
 
 #endif	/* !CONFIG_ALCHEMY_GPIO_INDIRECT */
 
-
-#else	/* CONFIG GPIOLIB */
-
-
- /* using gpiolib to provide up to 2 gpio_chips for on-chip gpios */
-#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT	/* case (2) */
-
-/* get everything through gpiolib */
-#define gpio_to_irq	__gpio_to_irq
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define irq_to_gpio	alchemy_irq_to_gpio
-
-#include <asm-generic/gpio.h>
-
-#endif	/* !CONFIG_ALCHEMY_GPIO_INDIRECT */
-
+#endif	/* CONFIG_ALCHEMY_GPIOINT_AU1000 */
 
 #endif	/* !CONFIG_GPIOLIB */
 
diff --git a/arch/mips/include/asm/mach-au1x00/gpio.h b/arch/mips/include/asm/mach-au1x00/gpio.h
index c3f60cdc3203..fcdc8c4809db 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio.h
@@ -1,10 +1,83 @@
+/*
+ * Alchemy GPIO support.
+ *
+ * With CONFIG_GPIOLIB=y different types of on-chip GPIO can be supported within
+ *  the same kernel image.
+ * With CONFIG_GPIOLIB=n, your board must select ALCHEMY_GPIOINT_AU1XXX for the
+ *  appropriate CPU type (AU1000 currently).
+ */
+
 #ifndef _ALCHEMY_GPIO_H_
 #define _ALCHEMY_GPIO_H_
 
-#if defined(CONFIG_ALCHEMY_GPIOINT_AU1000)
-
+#include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/gpio-au1000.h>
 
-#endif
+/* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before
+ * SYS_PININPUTEN is written to at least once.  On Au1550/Au1200/Au1300 this
+ * register enables use of GPIOs as wake source.
+ */
+static inline void alchemy_gpio1_input_enable(void)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR);
+	__raw_writel(0, base + 0x110);		/* the write op is key */
+	wmb();
+}
+
+
+/* Linux gpio framework integration.
+*
+* 4 use cases of Alchemy GPIOS:
+*(1) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=y:
+*	Board must register gpiochips.
+*(2) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=n:
+*	A gpiochip for the 75 GPIOs is registered.
+*
+*(3) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=y:
+*	the boards' gpio.h must provide	the linux gpio wrapper functions,
+*
+*(4) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=n:
+*	inlinable gpio functions are provided which enable access to the
+*	Au1300 gpios only by using the numbers straight out of the data-
+*	sheets.
+
+* Cases 1 and 3 are intended for boards which want to provide their own
+* GPIO namespace and -operations (i.e. for example you have 8 GPIOs
+* which are in part provided by spare Au1300 GPIO pins and in part by
+* an external FPGA but you still want them to be accssible in linux
+* as gpio0-7. The board can of course use the alchemy_gpioX_* functions
+* as required).
+*/
+
+#ifdef CONFIG_GPIOLIB
+
+/* wraps the cpu-dependent irq_to_gpio functions */
+/* FIXME: gpiolib needs an irq_to_gpio hook */
+static inline int __au_irq_to_gpio(unsigned int irq)
+{
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1000...ALCHEMY_CPU_AU1200:
+		return alchemy_irq_to_gpio(irq);
+	}
+	return -EINVAL;
+}
+
+
+/* using gpiolib to provide up to 2 gpio_chips for on-chip gpios */
+#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT	/* case (2) */
+
+/* get everything through gpiolib */
+#define gpio_to_irq	__gpio_to_irq
+#define gpio_get_value	__gpio_get_value
+#define gpio_set_value	__gpio_set_value
+#define gpio_cansleep	__gpio_cansleep
+#define irq_to_gpio	__au_irq_to_gpio
+
+#include <asm-generic/gpio.h>
+
+#endif	/* !CONFIG_ALCHEMY_GPIO_INDIRECT */
+
+
+#endif	/* CONFIG_GPIOLIB */
 
 #endif	/* _ALCHEMY_GPIO_H_ */
diff --git a/arch/mips/include/asm/mach-db1x00/db1200.h b/arch/mips/include/asm/mach-db1x00/db1200.h
index 3404248f5094..7a39657108c4 100644
--- a/arch/mips/include/asm/mach-db1x00/db1200.h
+++ b/arch/mips/include/asm/mach-db1x00/db1200.h
@@ -46,8 +46,6 @@
 
 #define IDE_PHYS_ADDR		0x18800000
 #define IDE_REG_SHIFT		5
-#define IDE_DDMA_REQ		DSCR_CMD0_DMA_REQ1
-#define IDE_RQSIZE		128
 
 #define DB1200_IDE_PHYS_ADDR	IDE_PHYS_ADDR
 #define DB1200_IDE_PHYS_LEN	(16 << IDE_REG_SHIFT)
diff --git a/arch/mips/include/asm/mach-db1x00/db1x00.h b/arch/mips/include/asm/mach-db1x00/db1x00.h
index a919dac525a1..a5affb0568ef 100644
--- a/arch/mips/include/asm/mach-db1x00/db1x00.h
+++ b/arch/mips/include/asm/mach-db1x00/db1x00.h
@@ -31,15 +31,15 @@
 
 #ifdef CONFIG_MIPS_DB1550
 
-#define DBDMA_AC97_TX_CHAN	DSCR_CMD0_PSC1_TX
-#define DBDMA_AC97_RX_CHAN	DSCR_CMD0_PSC1_RX
-#define DBDMA_I2S_TX_CHAN	DSCR_CMD0_PSC3_TX
-#define DBDMA_I2S_RX_CHAN	DSCR_CMD0_PSC3_RX
+#define DBDMA_AC97_TX_CHAN	AU1550_DSCR_CMD0_PSC1_TX
+#define DBDMA_AC97_RX_CHAN	AU1550_DSCR_CMD0_PSC1_RX
+#define DBDMA_I2S_TX_CHAN	AU1550_DSCR_CMD0_PSC3_TX
+#define DBDMA_I2S_RX_CHAN	AU1550_DSCR_CMD0_PSC3_RX
 
-#define SPI_PSC_BASE		PSC0_BASE_ADDR
-#define AC97_PSC_BASE		PSC1_BASE_ADDR
-#define SMBUS_PSC_BASE		PSC2_BASE_ADDR
-#define I2S_PSC_BASE		PSC3_BASE_ADDR
+#define SPI_PSC_BASE		AU1550_PSC0_PHYS_ADDR
+#define AC97_PSC_BASE		AU1550_PSC1_PHYS_ADDR
+#define SMBUS_PSC_BASE		AU1550_PSC2_PHYS_ADDR
+#define I2S_PSC_BASE		AU1550_PSC3_PHYS_ADDR
 
 #define NAND_PHYS_ADDR		0x20000000
 
diff --git a/arch/mips/include/asm/mach-pb1x00/pb1200.h b/arch/mips/include/asm/mach-pb1x00/pb1200.h
index fce4332ebb7f..374416adb65b 100644
--- a/arch/mips/include/asm/mach-pb1x00/pb1200.h
+++ b/arch/mips/include/asm/mach-pb1x00/pb1200.h
@@ -28,23 +28,23 @@
 #include <asm/mach-au1x00/au1000.h>
 #include <asm/mach-au1x00/au1xxx_psc.h>
 
-#define DBDMA_AC97_TX_CHAN	DSCR_CMD0_PSC1_TX
-#define DBDMA_AC97_RX_CHAN	DSCR_CMD0_PSC1_RX
-#define DBDMA_I2S_TX_CHAN	DSCR_CMD0_PSC1_TX
-#define DBDMA_I2S_RX_CHAN	DSCR_CMD0_PSC1_RX
+#define DBDMA_AC97_TX_CHAN	AU1200_DSCR_CMD0_PSC1_TX
+#define DBDMA_AC97_RX_CHAN	AU1200_DSCR_CMD0_PSC1_RX
+#define DBDMA_I2S_TX_CHAN	AU1200_DSCR_CMD0_PSC1_TX
+#define DBDMA_I2S_RX_CHAN	AU1200_DSCR_CMD0_PSC1_RX
 
 /*
  * SPI and SMB are muxed on the Pb1200 board.
  * Refer to board documentation.
  */
-#define SPI_PSC_BASE		PSC0_BASE_ADDR
-#define SMBUS_PSC_BASE		PSC0_BASE_ADDR
+#define SPI_PSC_BASE		AU1550_PSC0_PHYS_ADDR
+#define SMBUS_PSC_BASE		AU1550_PSC0_PHYS_ADDR
 /*
  * AC97 and I2S are muxed on the Pb1200 board.
  * Refer to board documentation.
  */
-#define AC97_PSC_BASE       PSC1_BASE_ADDR
-#define I2S_PSC_BASE	PSC1_BASE_ADDR
+#define AC97_PSC_BASE       AU1550_PSC1_PHYS_ADDR
+#define I2S_PSC_BASE	AU1550_PSC1_PHYS_ADDR
 
 
 #define BCSR_SYSTEM_VDDI	0x001F
@@ -76,8 +76,6 @@
 #define IDE_REG_SHIFT		5
 #define IDE_PHYS_LEN		(16 << IDE_REG_SHIFT)
 #define IDE_INT 		PB1200_IDE_INT
-#define IDE_DDMA_REQ		DSCR_CMD0_DMA_REQ1
-#define IDE_RQSIZE		128
 
 #define NAND_PHYS_ADDR 	0x1C000000
 
diff --git a/arch/mips/include/asm/mach-pb1x00/pb1550.h b/arch/mips/include/asm/mach-pb1x00/pb1550.h
index f835c88e9593..443b88adebf1 100644
--- a/arch/mips/include/asm/mach-pb1x00/pb1550.h
+++ b/arch/mips/include/asm/mach-pb1x00/pb1550.h
@@ -30,15 +30,15 @@
 #include <linux/types.h>
 #include <asm/mach-au1x00/au1xxx_psc.h>
 
-#define DBDMA_AC97_TX_CHAN	DSCR_CMD0_PSC1_TX
-#define DBDMA_AC97_RX_CHAN	DSCR_CMD0_PSC1_RX
-#define DBDMA_I2S_TX_CHAN	DSCR_CMD0_PSC3_TX
-#define DBDMA_I2S_RX_CHAN	DSCR_CMD0_PSC3_RX
+#define DBDMA_AC97_TX_CHAN	AU1550_DSCR_CMD0_PSC1_TX
+#define DBDMA_AC97_RX_CHAN	AU1550_DSCR_CMD0_PSC1_RX
+#define DBDMA_I2S_TX_CHAN	AU1550_DSCR_CMD0_PSC3_TX
+#define DBDMA_I2S_RX_CHAN	AU1550_DSCR_CMD0_PSC3_RX
 
-#define SPI_PSC_BASE		PSC0_BASE_ADDR
-#define AC97_PSC_BASE		PSC1_BASE_ADDR
-#define SMBUS_PSC_BASE		PSC2_BASE_ADDR
-#define I2S_PSC_BASE		PSC3_BASE_ADDR
+#define SPI_PSC_BASE		AU1550_PSC0_PHYS_ADDR
+#define AC97_PSC_BASE		AU1550_PSC1_PHYS_ADDR
+#define SMBUS_PSC_BASE		AU1550_PSC2_PHYS_ADDR
+#define I2S_PSC_BASE		AU1550_PSC3_PHYS_ADDR
 
 /*
  * Timing values as described in databook, * ns value stripped of
diff --git a/arch/mips/include/asm/mipsprom.h b/arch/mips/include/asm/mipsprom.h
index 146d41b67adc..e93943fabeac 100644
--- a/arch/mips/include/asm/mipsprom.h
+++ b/arch/mips/include/asm/mipsprom.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MIPS_PROM_H
-#define __ASM_MIPS_PROM_H
+#ifndef __ASM_MIPSPROM_H
+#define __ASM_MIPSPROM_H
 
 #define PROM_RESET		0
 #define PROM_EXEC		1
@@ -73,4 +73,4 @@
 
 extern char *prom_getenv(char *);
 
-#endif /* __ASM_MIPS_PROM_H */
+#endif /* __ASM_MIPSPROM_H */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 6a6f8a8f542d..2ea7b817feb8 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1006,18 +1006,26 @@ do {									\
 #define write_c0_perfctrl0(val)	__write_32bit_c0_register($25, 0, val)
 #define read_c0_perfcntr0()	__read_32bit_c0_register($25, 1)
 #define write_c0_perfcntr0(val)	__write_32bit_c0_register($25, 1, val)
+#define read_c0_perfcntr0_64()	__read_64bit_c0_register($25, 1)
+#define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
 #define read_c0_perfctrl1()	__read_32bit_c0_register($25, 2)
 #define write_c0_perfctrl1(val)	__write_32bit_c0_register($25, 2, val)
 #define read_c0_perfcntr1()	__read_32bit_c0_register($25, 3)
 #define write_c0_perfcntr1(val)	__write_32bit_c0_register($25, 3, val)
+#define read_c0_perfcntr1_64()	__read_64bit_c0_register($25, 3)
+#define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
 #define read_c0_perfctrl2()	__read_32bit_c0_register($25, 4)
 #define write_c0_perfctrl2(val)	__write_32bit_c0_register($25, 4, val)
 #define read_c0_perfcntr2()	__read_32bit_c0_register($25, 5)
 #define write_c0_perfcntr2(val)	__write_32bit_c0_register($25, 5, val)
+#define read_c0_perfcntr2_64()	__read_64bit_c0_register($25, 5)
+#define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
 #define read_c0_perfctrl3()	__read_32bit_c0_register($25, 6)
 #define write_c0_perfctrl3(val)	__write_32bit_c0_register($25, 6, val)
 #define read_c0_perfcntr3()	__read_32bit_c0_register($25, 7)
 #define write_c0_perfcntr3(val)	__write_32bit_c0_register($25, 7, val)
+#define read_c0_perfcntr3_64()	__read_64bit_c0_register($25, 7)
+#define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
 
 /* RM9000 PerfCount performance counter register */
 #define read_c0_perfcount()	__read_64bit_c0_register($25, 0)
diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
index 857d9b7858ad..7a6e82ef449b 100644
--- a/arch/mips/include/asm/prom.h
+++ b/arch/mips/include/asm/prom.h
@@ -8,8 +8,8 @@
  * published by the Free Software Foundation.
  *
  */
-#ifndef __ASM_MIPS_PROM_H
-#define __ASM_MIPS_PROM_H
+#ifndef __ASM_PROM_H
+#define __ASM_PROM_H
 
 #ifdef CONFIG_OF
 #include <asm/bootinfo.h>
@@ -25,4 +25,4 @@ extern void device_tree_init(void);
 static inline void device_tree_init(void) { }
 #endif /* CONFIG_OF */
 
-#endif /* _ASM_MIPS_PROM_H */
+#endif /* __ASM_PROM_H */
diff --git a/arch/mips/include/asm/regdef.h b/arch/mips/include/asm/regdef.h
index 7c8ecb6b9c40..785a5189b374 100644
--- a/arch/mips/include/asm/regdef.h
+++ b/arch/mips/include/asm/regdef.h
@@ -6,6 +6,8 @@
  * Copyright (C) 1985 MIPS Computer Systems, Inc.
  * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
  * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
+ * Copyright (C) 2011 Wind River Systems,
+ *   written by Ralf Baechle <ralf@linux-mips.org>
  */
 #ifndef _ASM_REGDEF_H
 #define _ASM_REGDEF_H
@@ -30,9 +32,13 @@
 #define t2      $10
 #define t3      $11
 #define t4      $12
+#define ta0	$12
 #define t5      $13
+#define ta1	$13
 #define t6      $14
+#define ta2	$14
 #define t7      $15
+#define ta3	$15
 #define s0      $16     /* callee saved */
 #define s1      $17
 #define s2      $18
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index 4397972949fa..e1ddb95c05e3 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -17,8 +17,6 @@
 #include <linux/module.h>
 #include <linux/init.h>
 
-#include <linux/spinlock.h>
-#include <linux/syscore_ops.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
@@ -30,6 +28,8 @@
 
 #include <asm/mach-jz4740/base.h>
 
+#include "irq.h"
+
 #define JZ4740_GPIO_BASE_A (32*0)
 #define JZ4740_GPIO_BASE_B (32*1)
 #define JZ4740_GPIO_BASE_C (32*2)
@@ -77,14 +77,10 @@
 struct jz_gpio_chip {
 	unsigned int irq;
 	unsigned int irq_base;
-	uint32_t wakeup;
-	uint32_t suspend_mask;
 	uint32_t edge_trigger_both;
 
 	void __iomem *base;
 
-	spinlock_t lock;
-
 	struct gpio_chip gpio_chip;
 };
 
@@ -102,7 +98,8 @@ static inline struct jz_gpio_chip *gpio_chip_to_jz_gpio_chip(struct gpio_chip *g
 
 static inline struct jz_gpio_chip *irq_to_jz_gpio_chip(struct irq_data *data)
 {
-	return irq_data_get_irq_chip_data(data);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
+	return gc->private;
 }
 
 static inline void jz_gpio_write_bit(unsigned int gpio, unsigned int reg)
@@ -304,21 +301,15 @@ static void jz_gpio_irq_demux_handler(unsigned int irq, struct irq_desc *desc)
 {
 	uint32_t flag;
 	unsigned int gpio_irq;
-	unsigned int gpio_bank;
 	struct jz_gpio_chip *chip = irq_desc_get_handler_data(desc);
 
-	gpio_bank = JZ4740_IRQ_GPIO0 - irq;
-
 	flag = readl(chip->base + JZ_REG_GPIO_FLAG);
-
 	if (!flag)
 		return;
 
-	gpio_irq = __fls(flag);
+	gpio_irq = chip->irq_base + __fls(flag);
 
-	jz_gpio_check_trigger_both(chip, irq);
-
-	gpio_irq += (gpio_bank << 5) + JZ4740_IRQ_GPIO(0);
+	jz_gpio_check_trigger_both(chip, gpio_irq);
 
 	generic_handle_irq(gpio_irq);
 };
@@ -329,18 +320,12 @@ static inline void jz_gpio_set_irq_bit(struct irq_data *data, unsigned int reg)
 	writel(IRQ_TO_BIT(data->irq), chip->base + reg);
 }
 
-static void jz_gpio_irq_mask(struct irq_data *data)
-{
-	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_MASK_SET);
-};
-
 static void jz_gpio_irq_unmask(struct irq_data *data)
 {
 	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data);
 
 	jz_gpio_check_trigger_both(chip, data->irq);
-
-	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_MASK_CLEAR);
+	irq_gc_unmask_enable_reg(data);
 };
 
 /* TODO: Check if function is gpio */
@@ -353,18 +338,13 @@ static unsigned int jz_gpio_irq_startup(struct irq_data *data)
 
 static void jz_gpio_irq_shutdown(struct irq_data *data)
 {
-	jz_gpio_irq_mask(data);
+	irq_gc_mask_disable_reg(data);
 
 	/* Set direction to input */
 	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_DIRECTION_CLEAR);
 	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_SELECT_CLEAR);
 }
 
-static void jz_gpio_irq_ack(struct irq_data *data)
-{
-	jz_gpio_set_irq_bit(data, JZ_REG_GPIO_FLAG_CLEAR);
-};
-
 static int jz_gpio_irq_set_type(struct irq_data *data, unsigned int flow_type)
 {
 	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data);
@@ -408,35 +388,13 @@ static int jz_gpio_irq_set_type(struct irq_data *data, unsigned int flow_type)
 static int jz_gpio_irq_set_wake(struct irq_data *data, unsigned int on)
 {
 	struct jz_gpio_chip *chip = irq_to_jz_gpio_chip(data);
-	spin_lock(&chip->lock);
-	if (on)
-		chip->wakeup |= IRQ_TO_BIT(data->irq);
-	else
-		chip->wakeup &= ~IRQ_TO_BIT(data->irq);
-	spin_unlock(&chip->lock);
 
+	irq_gc_set_wake(data, on);
 	irq_set_irq_wake(chip->irq, on);
+
 	return 0;
 }
 
-static struct irq_chip jz_gpio_irq_chip = {
-	.name = "GPIO",
-	.irq_mask = jz_gpio_irq_mask,
-	.irq_unmask = jz_gpio_irq_unmask,
-	.irq_ack = jz_gpio_irq_ack,
-	.irq_startup = jz_gpio_irq_startup,
-	.irq_shutdown = jz_gpio_irq_shutdown,
-	.irq_set_type = jz_gpio_irq_set_type,
-	.irq_set_wake = jz_gpio_irq_set_wake,
-	.flags = IRQCHIP_SET_TYPE_MASKED,
-};
-
-/*
- * This lock class tells lockdep that GPIO irqs are in a different
- * category than their parents, so it won't report false recursion.
- */
-static struct lock_class_key gpio_lock_class;
-
 #define JZ4740_GPIO_CHIP(_bank) { \
 	.irq_base = JZ4740_IRQ_GPIO_BASE_ ## _bank, \
 	.gpio_chip = { \
@@ -458,64 +416,44 @@ static struct jz_gpio_chip jz4740_gpio_chips[] = {
 	JZ4740_GPIO_CHIP(D),
 };
 
-static void jz4740_gpio_suspend_chip(struct jz_gpio_chip *chip)
-{
-	chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
-	writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
-	writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
-}
-
-static int jz4740_gpio_suspend(void)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); i++)
-		jz4740_gpio_suspend_chip(&jz4740_gpio_chips[i]);
-
-	return 0;
-}
-
-static void jz4740_gpio_resume_chip(struct jz_gpio_chip *chip)
+static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
 {
-	uint32_t mask = chip->suspend_mask;
+	struct irq_chip_generic *gc;
+	struct irq_chip_type *ct;
 
-	writel(~mask, chip->base + JZ_REG_GPIO_MASK_CLEAR);
-	writel(mask, chip->base + JZ_REG_GPIO_MASK_SET);
-}
+	chip->base = ioremap(JZ4740_GPIO_BASE_ADDR + (id * 0x100), 0x100);
 
-static void jz4740_gpio_resume(void)
-{
-	int i;
+	chip->irq = JZ4740_IRQ_INTC_GPIO(id);
+	irq_set_handler_data(chip->irq, chip);
+	irq_set_chained_handler(chip->irq, jz_gpio_irq_demux_handler);
 
-	for (i = ARRAY_SIZE(jz4740_gpio_chips) - 1; i >= 0 ; i--)
-		jz4740_gpio_resume_chip(&jz4740_gpio_chips[i]);
-}
+	gc = irq_alloc_generic_chip(chip->gpio_chip.label, 1, chip->irq_base,
+		chip->base, handle_level_irq);
 
-static struct syscore_ops jz4740_gpio_syscore_ops = {
-	.suspend = jz4740_gpio_suspend,
-	.resume = jz4740_gpio_resume,
-};
+	gc->wake_enabled = IRQ_MSK(chip->gpio_chip.ngpio);
+	gc->private = chip;
 
-static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
-{
-	int irq;
+	ct = gc->chip_types;
+	ct->regs.enable = JZ_REG_GPIO_MASK_CLEAR;
+	ct->regs.disable = JZ_REG_GPIO_MASK_SET;
+	ct->regs.ack = JZ_REG_GPIO_FLAG_CLEAR;
 
-	spin_lock_init(&chip->lock);
+	ct->chip.name = "GPIO";
+	ct->chip.irq_mask = irq_gc_mask_disable_reg;
+	ct->chip.irq_unmask = jz_gpio_irq_unmask;
+	ct->chip.irq_ack = irq_gc_ack_set_bit;
+	ct->chip.irq_suspend = jz4740_irq_suspend;
+	ct->chip.irq_resume = jz4740_irq_resume;
+	ct->chip.irq_startup = jz_gpio_irq_startup;
+	ct->chip.irq_shutdown = jz_gpio_irq_shutdown;
+	ct->chip.irq_set_type = jz_gpio_irq_set_type;
+	ct->chip.irq_set_wake = jz_gpio_irq_set_wake;
+	ct->chip.flags = IRQCHIP_SET_TYPE_MASKED;
 
-	chip->base = ioremap(JZ4740_GPIO_BASE_ADDR + (id * 0x100), 0x100);
+	irq_setup_generic_chip(gc, IRQ_MSK(chip->gpio_chip.ngpio),
+		IRQ_GC_INIT_NESTED_LOCK, 0, IRQ_NOPROBE | IRQ_LEVEL);
 
 	gpiochip_add(&chip->gpio_chip);
-
-	chip->irq = JZ4740_IRQ_INTC_GPIO(id);
-	irq_set_handler_data(chip->irq, chip);
-	irq_set_chained_handler(chip->irq, jz_gpio_irq_demux_handler);
-
-	for (irq = chip->irq_base; irq < chip->irq_base + chip->gpio_chip.ngpio; ++irq) {
-		irq_set_lockdep_class(irq, &gpio_lock_class);
-		irq_set_chip_data(irq, chip);
-		irq_set_chip_and_handler(irq, &jz_gpio_irq_chip,
-					 handle_level_irq);
-	}
 }
 
 static int __init jz4740_gpio_init(void)
@@ -525,8 +463,6 @@ static int __init jz4740_gpio_init(void)
 	for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i)
 		jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i);
 
-	register_syscore_ops(&jz4740_gpio_syscore_ops);
-
 	printk(KERN_INFO "JZ4740 GPIO initialized\n");
 
 	return 0;
diff --git a/arch/mips/jz4740/irq.c b/arch/mips/jz4740/irq.c
index d82c0c430e03..fc57ded326d8 100644
--- a/arch/mips/jz4740/irq.c
+++ b/arch/mips/jz4740/irq.c
@@ -32,8 +32,6 @@
 #include <asm/mach-jz4740/base.h>
 
 static void __iomem *jz_intc_base;
-static uint32_t jz_intc_wakeup;
-static uint32_t jz_intc_saved;
 
 #define JZ_REG_INTC_STATUS	0x00
 #define JZ_REG_INTC_MASK	0x04
@@ -41,51 +39,36 @@ static uint32_t jz_intc_saved;
 #define JZ_REG_INTC_CLEAR_MASK	0x0c
 #define JZ_REG_INTC_PENDING	0x10
 
-#define IRQ_BIT(x) BIT((x) - JZ4740_IRQ_BASE)
-
-static inline unsigned long intc_irq_bit(struct irq_data *data)
+static irqreturn_t jz4740_cascade(int irq, void *data)
 {
-	return (unsigned long)irq_data_get_irq_chip_data(data);
-}
+	uint32_t irq_reg;
 
-static void intc_irq_unmask(struct irq_data *data)
-{
-	writel(intc_irq_bit(data), jz_intc_base + JZ_REG_INTC_CLEAR_MASK);
-}
+	irq_reg = readl(jz_intc_base + JZ_REG_INTC_PENDING);
 
-static void intc_irq_mask(struct irq_data *data)
-{
-	writel(intc_irq_bit(data), jz_intc_base + JZ_REG_INTC_SET_MASK);
+	if (irq_reg)
+		generic_handle_irq(__fls(irq_reg) + JZ4740_IRQ_BASE);
+
+	return IRQ_HANDLED;
 }
 
-static int intc_irq_set_wake(struct irq_data *data, unsigned int on)
+static void jz4740_irq_set_mask(struct irq_chip_generic *gc, uint32_t mask)
 {
-	if (on)
-		jz_intc_wakeup |= intc_irq_bit(data);
-	else
-		jz_intc_wakeup &= ~intc_irq_bit(data);
+	struct irq_chip_regs *regs = &gc->chip_types->regs;
 
-	return 0;
+	writel(mask, gc->reg_base + regs->enable);
+	writel(~mask, gc->reg_base + regs->disable);
 }
 
-static struct irq_chip intc_irq_type = {
-	.name =		"INTC",
-	.irq_mask =	intc_irq_mask,
-	.irq_mask_ack =	intc_irq_mask,
-	.irq_unmask =	intc_irq_unmask,
-	.irq_set_wake =	intc_irq_set_wake,
-};
-
-static irqreturn_t jz4740_cascade(int irq, void *data)
+void jz4740_irq_suspend(struct irq_data *data)
 {
-	uint32_t irq_reg;
-
-	irq_reg = readl(jz_intc_base + JZ_REG_INTC_PENDING);
-
-	if (irq_reg)
-		generic_handle_irq(__fls(irq_reg) + JZ4740_IRQ_BASE);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
+	jz4740_irq_set_mask(gc, gc->wake_active);
+}
 
-	return IRQ_HANDLED;
+void jz4740_irq_resume(struct irq_data *data)
+{
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
+	jz4740_irq_set_mask(gc, gc->mask_cache);
 }
 
 static struct irqaction jz4740_cascade_action = {
@@ -95,7 +78,9 @@ static struct irqaction jz4740_cascade_action = {
 
 void __init arch_init_irq(void)
 {
-	int i;
+	struct irq_chip_generic *gc;
+	struct irq_chip_type *ct;
+
 	mips_cpu_irq_init();
 
 	jz_intc_base = ioremap(JZ4740_INTC_BASE_ADDR, 0x14);
@@ -103,10 +88,22 @@ void __init arch_init_irq(void)
 	/* Mask all irqs */
 	writel(0xffffffff, jz_intc_base + JZ_REG_INTC_SET_MASK);
 
-	for (i = JZ4740_IRQ_BASE; i < JZ4740_IRQ_BASE + 32; i++) {
-		irq_set_chip_data(i, (void *)IRQ_BIT(i));
-		irq_set_chip_and_handler(i, &intc_irq_type, handle_level_irq);
-	}
+	gc = irq_alloc_generic_chip("INTC", 1, JZ4740_IRQ_BASE, jz_intc_base,
+		handle_level_irq);
+
+	gc->wake_enabled = IRQ_MSK(32);
+
+	ct = gc->chip_types;
+	ct->regs.enable = JZ_REG_INTC_CLEAR_MASK;
+	ct->regs.disable = JZ_REG_INTC_SET_MASK;
+	ct->chip.irq_unmask = irq_gc_unmask_enable_reg;
+	ct->chip.irq_mask = irq_gc_mask_disable_reg;
+	ct->chip.irq_mask_ack = irq_gc_mask_disable_reg;
+	ct->chip.irq_set_wake = irq_gc_set_wake;
+	ct->chip.irq_suspend = jz4740_irq_suspend;
+	ct->chip.irq_resume = jz4740_irq_resume;
+
+	irq_setup_generic_chip(gc, IRQ_MSK(32), 0, 0, IRQ_NOPROBE | IRQ_LEVEL);
 
 	setup_irq(2, &jz4740_cascade_action);
 }
@@ -122,19 +119,6 @@ asmlinkage void plat_irq_dispatch(void)
 		spurious_interrupt();
 }
 
-void jz4740_intc_suspend(void)
-{
-	jz_intc_saved = readl(jz_intc_base + JZ_REG_INTC_MASK);
-	writel(~jz_intc_wakeup, jz_intc_base + JZ_REG_INTC_SET_MASK);
-	writel(jz_intc_wakeup, jz_intc_base + JZ_REG_INTC_CLEAR_MASK);
-}
-
-void jz4740_intc_resume(void)
-{
-	writel(~jz_intc_saved, jz_intc_base + JZ_REG_INTC_CLEAR_MASK);
-	writel(jz_intc_saved, jz_intc_base + JZ_REG_INTC_SET_MASK);
-}
-
 #ifdef CONFIG_DEBUG_FS
 
 static inline void intc_seq_reg(struct seq_file *s, const char *name,
diff --git a/arch/mips/jz4740/irq.h b/arch/mips/jz4740/irq.h
index 56b5eadd1fa2..f75e39d62885 100644
--- a/arch/mips/jz4740/irq.h
+++ b/arch/mips/jz4740/irq.h
@@ -15,7 +15,9 @@
 #ifndef __MIPS_JZ4740_IRQ_H__
 #define __MIPS_JZ4740_IRQ_H__
 
-extern void jz4740_intc_suspend(void);
-extern void jz4740_intc_resume(void);
+#include <linux/irq.h>
+
+extern void jz4740_irq_suspend(struct irq_data *data);
+extern void jz4740_irq_resume(struct irq_data *data);
 
 #endif
diff --git a/arch/mips/jz4740/pm.c b/arch/mips/jz4740/pm.c
index 902d5b50124c..6744fa723f72 100644
--- a/arch/mips/jz4740/pm.c
+++ b/arch/mips/jz4740/pm.c
@@ -21,11 +21,9 @@
 #include <asm/mach-jz4740/clock.h>
 
 #include "clock.h"
-#include "irq.h"
 
 static int jz4740_pm_enter(suspend_state_t state)
 {
-	jz4740_intc_suspend();
 	jz4740_clock_suspend();
 
 	jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_SLEEP);
@@ -37,7 +35,6 @@ static int jz4740_pm_enter(suspend_state_t state)
 	jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_IDLE);
 
 	jz4740_clock_resume();
-	jz4740_intc_resume();
 
 	return 0;
 }
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 83bba332bbfc..1a966183e353 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -11,6 +11,8 @@ obj-y		+= cpu-probe.o branch.o entry.o genex.o irq.o process.o \
 ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_ftrace.o = -pg
 CFLAGS_REMOVE_early_printk.o = -pg
+CFLAGS_REMOVE_perf_event.o = -pg
+CFLAGS_REMOVE_perf_event_mipsxx.o = -pg
 endif
 
 obj-$(CONFIG_CEVT_BCM1480)	+= cevt-bcm1480.o
@@ -106,7 +108,8 @@ obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT)	+= 8250-platform.o
 
 obj-$(CONFIG_MIPS_CPUFREQ)	+= cpufreq/
 
-obj-$(CONFIG_HW_PERF_EVENTS)	+= perf_event.o
+obj-$(CONFIG_PERF_EVENTS)	+= perf_event.o
+obj-$(CONFIG_HW_PERF_EVENTS)	+= perf_event_mipsxx.o
 
 obj-$(CONFIG_JUMP_LABEL)	+= jump_label.o
 
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index ebc0cd20b35d..aa327a755982 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -978,7 +978,10 @@ static inline void cpu_probe_cavium(struct cpuinfo_mips *c, unsigned int cpu)
 platform:
 		set_elf_platform(cpu, "octeon");
 		break;
+	case PRID_IMP_CAVIUM_CN61XX:
 	case PRID_IMP_CAVIUM_CN63XX:
+	case PRID_IMP_CAVIUM_CN66XX:
+	case PRID_IMP_CAVIUM_CN68XX:
 		c->cputype = CPU_CAVIUM_OCTEON2;
 		__cpu_name[cpu] = "Cavium Octeon II";
 		set_elf_platform(cpu, "octeon2");
diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c
index 0aee944ac380..c1cf9c6c3f77 100644
--- a/arch/mips/kernel/perf_event.c
+++ b/arch/mips/kernel/perf_event.c
@@ -14,533 +14,16 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/cpumask.h>
-#include <linux/interrupt.h>
-#include <linux/smp.h>
-#include <linux/kernel.h>
 #include <linux/perf_event.h>
-#include <linux/uaccess.h>
 
-#include <asm/irq.h>
-#include <asm/irq_regs.h>
 #include <asm/stacktrace.h>
-#include <asm/time.h> /* For perf_irq */
-
-/* These are for 32bit counters. For 64bit ones, define them accordingly. */
-#define MAX_PERIOD	((1ULL << 32) - 1)
-#define VALID_COUNT	0x7fffffff
-#define TOTAL_BITS	32
-#define HIGHEST_BIT	31
-
-#define MIPS_MAX_HWEVENTS 4
-
-struct cpu_hw_events {
-	/* Array of events on this cpu. */
-	struct perf_event	*events[MIPS_MAX_HWEVENTS];
-
-	/*
-	 * Set the bit (indexed by the counter number) when the counter
-	 * is used for an event.
-	 */
-	unsigned long		used_mask[BITS_TO_LONGS(MIPS_MAX_HWEVENTS)];
-
-	/*
-	 * The borrowed MSB for the performance counter. A MIPS performance
-	 * counter uses its bit 31 (for 32bit counters) or bit 63 (for 64bit
-	 * counters) as a factor of determining whether a counter overflow
-	 * should be signaled. So here we use a separate MSB for each
-	 * counter to make things easy.
-	 */
-	unsigned long		msbs[BITS_TO_LONGS(MIPS_MAX_HWEVENTS)];
-
-	/*
-	 * Software copy of the control register for each performance counter.
-	 * MIPS CPUs vary in performance counters. They use this differently,
-	 * and even may not use it.
-	 */
-	unsigned int		saved_ctrl[MIPS_MAX_HWEVENTS];
-};
-DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = {
-	.saved_ctrl = {0},
-};
-
-/* The description of MIPS performance events. */
-struct mips_perf_event {
-	unsigned int event_id;
-	/*
-	 * MIPS performance counters are indexed starting from 0.
-	 * CNTR_EVEN indicates the indexes of the counters to be used are
-	 * even numbers.
-	 */
-	unsigned int cntr_mask;
-	#define CNTR_EVEN	0x55555555
-	#define CNTR_ODD	0xaaaaaaaa
-#ifdef CONFIG_MIPS_MT_SMP
-	enum {
-		T  = 0,
-		V  = 1,
-		P  = 2,
-	} range;
-#else
-	#define T
-	#define V
-	#define P
-#endif
-};
-
-static struct mips_perf_event raw_event;
-static DEFINE_MUTEX(raw_event_mutex);
-
-#define UNSUPPORTED_PERF_EVENT_ID 0xffffffff
-#define C(x) PERF_COUNT_HW_CACHE_##x
-
-struct mips_pmu {
-	const char	*name;
-	int		irq;
-	irqreturn_t	(*handle_irq)(int irq, void *dev);
-	int		(*handle_shared_irq)(void);
-	void		(*start)(void);
-	void		(*stop)(void);
-	int		(*alloc_counter)(struct cpu_hw_events *cpuc,
-					struct hw_perf_event *hwc);
-	u64		(*read_counter)(unsigned int idx);
-	void		(*write_counter)(unsigned int idx, u64 val);
-	void		(*enable_event)(struct hw_perf_event *evt, int idx);
-	void		(*disable_event)(int idx);
-	const struct mips_perf_event *(*map_raw_event)(u64 config);
-	const struct mips_perf_event (*general_event_map)[PERF_COUNT_HW_MAX];
-	const struct mips_perf_event (*cache_event_map)
-				[PERF_COUNT_HW_CACHE_MAX]
-				[PERF_COUNT_HW_CACHE_OP_MAX]
-				[PERF_COUNT_HW_CACHE_RESULT_MAX];
-	unsigned int	num_counters;
-};
-
-static const struct mips_pmu *mipspmu;
-
-static int
-mipspmu_event_set_period(struct perf_event *event,
-			struct hw_perf_event *hwc,
-			int idx)
-{
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	s64 left = local64_read(&hwc->period_left);
-	s64 period = hwc->sample_period;
-	int ret = 0;
-	u64 uleft;
-	unsigned long flags;
-
-	if (unlikely(left <= -period)) {
-		left = period;
-		local64_set(&hwc->period_left, left);
-		hwc->last_period = period;
-		ret = 1;
-	}
-
-	if (unlikely(left <= 0)) {
-		left += period;
-		local64_set(&hwc->period_left, left);
-		hwc->last_period = period;
-		ret = 1;
-	}
-
-	if (left > (s64)MAX_PERIOD)
-		left = MAX_PERIOD;
-
-	local64_set(&hwc->prev_count, (u64)-left);
-
-	local_irq_save(flags);
-	uleft = (u64)(-left) & MAX_PERIOD;
-	uleft > VALID_COUNT ?
-		set_bit(idx, cpuc->msbs) : clear_bit(idx, cpuc->msbs);
-	mipspmu->write_counter(idx, (u64)(-left) & VALID_COUNT);
-	local_irq_restore(flags);
-
-	perf_event_update_userpage(event);
-
-	return ret;
-}
-
-static void mipspmu_event_update(struct perf_event *event,
-			struct hw_perf_event *hwc,
-			int idx)
-{
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	unsigned long flags;
-	int shift = 64 - TOTAL_BITS;
-	s64 prev_raw_count, new_raw_count;
-	u64 delta;
-
-again:
-	prev_raw_count = local64_read(&hwc->prev_count);
-	local_irq_save(flags);
-	/* Make the counter value be a "real" one. */
-	new_raw_count = mipspmu->read_counter(idx);
-	if (new_raw_count & (test_bit(idx, cpuc->msbs) << HIGHEST_BIT)) {
-		new_raw_count &= VALID_COUNT;
-		clear_bit(idx, cpuc->msbs);
-	} else
-		new_raw_count |= (test_bit(idx, cpuc->msbs) << HIGHEST_BIT);
-	local_irq_restore(flags);
-
-	if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
-				new_raw_count) != prev_raw_count)
-		goto again;
-
-	delta = (new_raw_count << shift) - (prev_raw_count << shift);
-	delta >>= shift;
-
-	local64_add(delta, &event->count);
-	local64_sub(delta, &hwc->period_left);
-}
-
-static void mipspmu_start(struct perf_event *event, int flags)
-{
-	struct hw_perf_event *hwc = &event->hw;
-
-	if (!mipspmu)
-		return;
-
-	if (flags & PERF_EF_RELOAD)
-		WARN_ON_ONCE(!(hwc->state & PERF_HES_UPTODATE));
-
-	hwc->state = 0;
-
-	/* Set the period for the event. */
-	mipspmu_event_set_period(event, hwc, hwc->idx);
-
-	/* Enable the event. */
-	mipspmu->enable_event(hwc, hwc->idx);
-}
-
-static void mipspmu_stop(struct perf_event *event, int flags)
-{
-	struct hw_perf_event *hwc = &event->hw;
-
-	if (!mipspmu)
-		return;
-
-	if (!(hwc->state & PERF_HES_STOPPED)) {
-		/* We are working on a local event. */
-		mipspmu->disable_event(hwc->idx);
-		barrier();
-		mipspmu_event_update(event, hwc, hwc->idx);
-		hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE;
-	}
-}
-
-static int mipspmu_add(struct perf_event *event, int flags)
-{
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	struct hw_perf_event *hwc = &event->hw;
-	int idx;
-	int err = 0;
-
-	perf_pmu_disable(event->pmu);
-
-	/* To look for a free counter for this event. */
-	idx = mipspmu->alloc_counter(cpuc, hwc);
-	if (idx < 0) {
-		err = idx;
-		goto out;
-	}
-
-	/*
-	 * If there is an event in the counter we are going to use then
-	 * make sure it is disabled.
-	 */
-	event->hw.idx = idx;
-	mipspmu->disable_event(idx);
-	cpuc->events[idx] = event;
-
-	hwc->state = PERF_HES_STOPPED | PERF_HES_UPTODATE;
-	if (flags & PERF_EF_START)
-		mipspmu_start(event, PERF_EF_RELOAD);
-
-	/* Propagate our changes to the userspace mapping. */
-	perf_event_update_userpage(event);
-
-out:
-	perf_pmu_enable(event->pmu);
-	return err;
-}
-
-static void mipspmu_del(struct perf_event *event, int flags)
-{
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	struct hw_perf_event *hwc = &event->hw;
-	int idx = hwc->idx;
-
-	WARN_ON(idx < 0 || idx >= mipspmu->num_counters);
-
-	mipspmu_stop(event, PERF_EF_UPDATE);
-	cpuc->events[idx] = NULL;
-	clear_bit(idx, cpuc->used_mask);
-
-	perf_event_update_userpage(event);
-}
-
-static void mipspmu_read(struct perf_event *event)
-{
-	struct hw_perf_event *hwc = &event->hw;
-
-	/* Don't read disabled counters! */
-	if (hwc->idx < 0)
-		return;
-
-	mipspmu_event_update(event, hwc, hwc->idx);
-}
-
-static void mipspmu_enable(struct pmu *pmu)
-{
-	if (mipspmu)
-		mipspmu->start();
-}
-
-static void mipspmu_disable(struct pmu *pmu)
-{
-	if (mipspmu)
-		mipspmu->stop();
-}
-
-static atomic_t active_events = ATOMIC_INIT(0);
-static DEFINE_MUTEX(pmu_reserve_mutex);
-static int (*save_perf_irq)(void);
-
-static int mipspmu_get_irq(void)
-{
-	int err;
-
-	if (mipspmu->irq >= 0) {
-		/* Request my own irq handler. */
-		err = request_irq(mipspmu->irq, mipspmu->handle_irq,
-			IRQF_DISABLED | IRQF_NOBALANCING,
-			"mips_perf_pmu", NULL);
-		if (err) {
-			pr_warning("Unable to request IRQ%d for MIPS "
-			   "performance counters!\n", mipspmu->irq);
-		}
-	} else if (cp0_perfcount_irq < 0) {
-		/*
-		 * We are sharing the irq number with the timer interrupt.
-		 */
-		save_perf_irq = perf_irq;
-		perf_irq = mipspmu->handle_shared_irq;
-		err = 0;
-	} else {
-		pr_warning("The platform hasn't properly defined its "
-			"interrupt controller.\n");
-		err = -ENOENT;
-	}
-
-	return err;
-}
-
-static void mipspmu_free_irq(void)
-{
-	if (mipspmu->irq >= 0)
-		free_irq(mipspmu->irq, NULL);
-	else if (cp0_perfcount_irq < 0)
-		perf_irq = save_perf_irq;
-}
-
-/*
- * mipsxx/rm9000/loongson2 have different performance counters, they have
- * specific low-level init routines.
- */
-static void reset_counters(void *arg);
-static int __hw_perf_event_init(struct perf_event *event);
-
-static void hw_perf_event_destroy(struct perf_event *event)
-{
-	if (atomic_dec_and_mutex_lock(&active_events,
-				&pmu_reserve_mutex)) {
-		/*
-		 * We must not call the destroy function with interrupts
-		 * disabled.
-		 */
-		on_each_cpu(reset_counters,
-			(void *)(long)mipspmu->num_counters, 1);
-		mipspmu_free_irq();
-		mutex_unlock(&pmu_reserve_mutex);
-	}
-}
-
-static int mipspmu_event_init(struct perf_event *event)
-{
-	int err = 0;
-
-	switch (event->attr.type) {
-	case PERF_TYPE_RAW:
-	case PERF_TYPE_HARDWARE:
-	case PERF_TYPE_HW_CACHE:
-		break;
-
-	default:
-		return -ENOENT;
-	}
-
-	if (!mipspmu || event->cpu >= nr_cpumask_bits ||
-		(event->cpu >= 0 && !cpu_online(event->cpu)))
-		return -ENODEV;
-
-	if (!atomic_inc_not_zero(&active_events)) {
-		if (atomic_read(&active_events) > MIPS_MAX_HWEVENTS) {
-			atomic_dec(&active_events);
-			return -ENOSPC;
-		}
-
-		mutex_lock(&pmu_reserve_mutex);
-		if (atomic_read(&active_events) == 0)
-			err = mipspmu_get_irq();
-
-		if (!err)
-			atomic_inc(&active_events);
-		mutex_unlock(&pmu_reserve_mutex);
-	}
-
-	if (err)
-		return err;
-
-	err = __hw_perf_event_init(event);
-	if (err)
-		hw_perf_event_destroy(event);
-
-	return err;
-}
-
-static struct pmu pmu = {
-	.pmu_enable	= mipspmu_enable,
-	.pmu_disable	= mipspmu_disable,
-	.event_init	= mipspmu_event_init,
-	.add		= mipspmu_add,
-	.del		= mipspmu_del,
-	.start		= mipspmu_start,
-	.stop		= mipspmu_stop,
-	.read		= mipspmu_read,
-};
-
-static inline unsigned int
-mipspmu_perf_event_encode(const struct mips_perf_event *pev)
-{
-/*
- * Top 8 bits for range, next 16 bits for cntr_mask, lowest 8 bits for
- * event_id.
- */
-#ifdef CONFIG_MIPS_MT_SMP
-	return ((unsigned int)pev->range << 24) |
-		(pev->cntr_mask & 0xffff00) |
-		(pev->event_id & 0xff);
-#else
-	return (pev->cntr_mask & 0xffff00) |
-		(pev->event_id & 0xff);
-#endif
-}
-
-static const struct mips_perf_event *
-mipspmu_map_general_event(int idx)
-{
-	const struct mips_perf_event *pev;
-
-	pev = ((*mipspmu->general_event_map)[idx].event_id ==
-		UNSUPPORTED_PERF_EVENT_ID ? ERR_PTR(-EOPNOTSUPP) :
-		&(*mipspmu->general_event_map)[idx]);
-
-	return pev;
-}
-
-static const struct mips_perf_event *
-mipspmu_map_cache_event(u64 config)
-{
-	unsigned int cache_type, cache_op, cache_result;
-	const struct mips_perf_event *pev;
-
-	cache_type = (config >> 0) & 0xff;
-	if (cache_type >= PERF_COUNT_HW_CACHE_MAX)
-		return ERR_PTR(-EINVAL);
-
-	cache_op = (config >> 8) & 0xff;
-	if (cache_op >= PERF_COUNT_HW_CACHE_OP_MAX)
-		return ERR_PTR(-EINVAL);
-
-	cache_result = (config >> 16) & 0xff;
-	if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX)
-		return ERR_PTR(-EINVAL);
-
-	pev = &((*mipspmu->cache_event_map)
-					[cache_type]
-					[cache_op]
-					[cache_result]);
-
-	if (pev->event_id == UNSUPPORTED_PERF_EVENT_ID)
-		return ERR_PTR(-EOPNOTSUPP);
-
-	return pev;
-
-}
-
-static int validate_event(struct cpu_hw_events *cpuc,
-	       struct perf_event *event)
-{
-	struct hw_perf_event fake_hwc = event->hw;
-
-	/* Allow mixed event group. So return 1 to pass validation. */
-	if (event->pmu != &pmu || event->state <= PERF_EVENT_STATE_OFF)
-		return 1;
-
-	return mipspmu->alloc_counter(cpuc, &fake_hwc) >= 0;
-}
-
-static int validate_group(struct perf_event *event)
-{
-	struct perf_event *sibling, *leader = event->group_leader;
-	struct cpu_hw_events fake_cpuc;
-
-	memset(&fake_cpuc, 0, sizeof(fake_cpuc));
-
-	if (!validate_event(&fake_cpuc, leader))
-		return -ENOSPC;
-
-	list_for_each_entry(sibling, &leader->sibling_list, group_entry) {
-		if (!validate_event(&fake_cpuc, sibling))
-			return -ENOSPC;
-	}
-
-	if (!validate_event(&fake_cpuc, event))
-		return -ENOSPC;
-
-	return 0;
-}
-
-/* This is needed by specific irq handlers in perf_event_*.c */
-static void
-handle_associated_event(struct cpu_hw_events *cpuc,
-	int idx, struct perf_sample_data *data, struct pt_regs *regs)
-{
-	struct perf_event *event = cpuc->events[idx];
-	struct hw_perf_event *hwc = &event->hw;
-
-	mipspmu_event_update(event, hwc, idx);
-	data->period = event->hw.last_period;
-	if (!mipspmu_event_set_period(event, hwc, idx))
-		return;
-
-	if (perf_event_overflow(event, data, regs))
-		mipspmu->disable_event(idx);
-}
-
-#include "perf_event_mipsxx.c"
 
 /* Callchain handling code. */
 
 /*
  * Leave userspace callchain empty for now. When we find a way to trace
- * the user stack callchains, we add here.
+ * the user stack callchains, we will add it here.
  */
-void perf_callchain_user(struct perf_callchain_entry *entry,
-		    struct pt_regs *regs)
-{
-}
 
 static void save_raw_perf_callchain(struct perf_callchain_entry *entry,
 	unsigned long reg29)
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index e5ad09a9baf7..4f2971bcf8e5 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -1,13 +1,112 @@
-#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) || \
-    defined(CONFIG_CPU_R10000) || defined(CONFIG_CPU_SB1)
+/*
+ * Linux performance counter support for MIPS.
+ *
+ * Copyright (C) 2010 MIPS Technologies, Inc.
+ * Copyright (C) 2011 Cavium Networks, Inc.
+ * Author: Deng-Cheng Zhu
+ *
+ * This code is based on the implementation for ARM, which is in turn
+ * based on the sparc64 perf event code and the x86 code. Performance
+ * counter access is based on the MIPS Oprofile code. And the callchain
+ * support references the code of MIPS stacktrace.c.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/cpumask.h>
+#include <linux/interrupt.h>
+#include <linux/smp.h>
+#include <linux/kernel.h>
+#include <linux/perf_event.h>
+#include <linux/uaccess.h>
+
+#include <asm/irq.h>
+#include <asm/irq_regs.h>
+#include <asm/stacktrace.h>
+#include <asm/time.h> /* For perf_irq */
+
+#define MIPS_MAX_HWEVENTS 4
+
+struct cpu_hw_events {
+	/* Array of events on this cpu. */
+	struct perf_event	*events[MIPS_MAX_HWEVENTS];
+
+	/*
+	 * Set the bit (indexed by the counter number) when the counter
+	 * is used for an event.
+	 */
+	unsigned long		used_mask[BITS_TO_LONGS(MIPS_MAX_HWEVENTS)];
+
+	/*
+	 * Software copy of the control register for each performance counter.
+	 * MIPS CPUs vary in performance counters. They use this differently,
+	 * and even may not use it.
+	 */
+	unsigned int		saved_ctrl[MIPS_MAX_HWEVENTS];
+};
+DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = {
+	.saved_ctrl = {0},
+};
+
+/* The description of MIPS performance events. */
+struct mips_perf_event {
+	unsigned int event_id;
+	/*
+	 * MIPS performance counters are indexed starting from 0.
+	 * CNTR_EVEN indicates the indexes of the counters to be used are
+	 * even numbers.
+	 */
+	unsigned int cntr_mask;
+	#define CNTR_EVEN	0x55555555
+	#define CNTR_ODD	0xaaaaaaaa
+	#define CNTR_ALL	0xffffffff
+#ifdef CONFIG_MIPS_MT_SMP
+	enum {
+		T  = 0,
+		V  = 1,
+		P  = 2,
+	} range;
+#else
+	#define T
+	#define V
+	#define P
+#endif
+};
+
+static struct mips_perf_event raw_event;
+static DEFINE_MUTEX(raw_event_mutex);
+
+#define UNSUPPORTED_PERF_EVENT_ID 0xffffffff
+#define C(x) PERF_COUNT_HW_CACHE_##x
+
+struct mips_pmu {
+	u64		max_period;
+	u64		valid_count;
+	u64		overflow;
+	const char	*name;
+	int		irq;
+	u64		(*read_counter)(unsigned int idx);
+	void		(*write_counter)(unsigned int idx, u64 val);
+	const struct mips_perf_event *(*map_raw_event)(u64 config);
+	const struct mips_perf_event (*general_event_map)[PERF_COUNT_HW_MAX];
+	const struct mips_perf_event (*cache_event_map)
+				[PERF_COUNT_HW_CACHE_MAX]
+				[PERF_COUNT_HW_CACHE_OP_MAX]
+				[PERF_COUNT_HW_CACHE_RESULT_MAX];
+	unsigned int	num_counters;
+};
+
+static struct mips_pmu mipspmu;
 
 #define M_CONFIG1_PC	(1 << 4)
 
-#define M_PERFCTL_EXL			(1UL      <<  0)
-#define M_PERFCTL_KERNEL		(1UL      <<  1)
-#define M_PERFCTL_SUPERVISOR		(1UL      <<  2)
-#define M_PERFCTL_USER			(1UL      <<  3)
-#define M_PERFCTL_INTERRUPT_ENABLE	(1UL      <<  4)
+#define M_PERFCTL_EXL			(1      <<  0)
+#define M_PERFCTL_KERNEL		(1      <<  1)
+#define M_PERFCTL_SUPERVISOR		(1      <<  2)
+#define M_PERFCTL_USER			(1      <<  3)
+#define M_PERFCTL_INTERRUPT_ENABLE	(1      <<  4)
 #define M_PERFCTL_EVENT(event)		(((event) & 0x3ff)  << 5)
 #define M_PERFCTL_VPEID(vpe)		((vpe)    << 16)
 #define M_PERFCTL_MT_EN(filter)		((filter) << 20)
@@ -15,8 +114,8 @@
 #define    M_TC_EN_VPE			M_PERFCTL_MT_EN(1)
 #define    M_TC_EN_TC			M_PERFCTL_MT_EN(2)
 #define M_PERFCTL_TCID(tcid)		((tcid)   << 22)
-#define M_PERFCTL_WIDE			(1UL      << 30)
-#define M_PERFCTL_MORE			(1UL      << 31)
+#define M_PERFCTL_WIDE			(1      << 30)
+#define M_PERFCTL_MORE			(1      << 31)
 
 #define M_PERFCTL_COUNT_EVENT_WHENEVER	(M_PERFCTL_EXL |		\
 					M_PERFCTL_KERNEL |		\
@@ -31,11 +130,12 @@
 #endif
 #define M_PERFCTL_EVENT_MASK		0xfe0
 
-#define M_COUNTER_OVERFLOW		(1UL      << 31)
 
 #ifdef CONFIG_MIPS_MT_SMP
 static int cpu_has_mipsmt_pertccounters;
 
+static DEFINE_RWLOCK(pmuint_rwlock);
+
 /*
  * FIXME: For VSMP, vpe_id() is redefined for Perf-events, because
  * cpu_data[cpuid].vpe_id reports 0 for _both_ CPUs.
@@ -49,209 +149,673 @@ static int cpu_has_mipsmt_pertccounters;
 #endif
 
 /* Copied from op_model_mipsxx.c */
-static inline unsigned int vpe_shift(void)
+static unsigned int vpe_shift(void)
 {
 	if (num_possible_cpus() > 1)
 		return 1;
 
 	return 0;
 }
-#else /* !CONFIG_MIPS_MT_SMP */
-#define vpe_id()	0
 
-static inline unsigned int vpe_shift(void)
-{
-	return 0;
-}
-#endif /* CONFIG_MIPS_MT_SMP */
-
-static inline unsigned int
-counters_total_to_per_cpu(unsigned int counters)
+static unsigned int counters_total_to_per_cpu(unsigned int counters)
 {
 	return counters >> vpe_shift();
 }
 
-static inline unsigned int
-counters_per_cpu_to_total(unsigned int counters)
+static unsigned int counters_per_cpu_to_total(unsigned int counters)
 {
 	return counters << vpe_shift();
 }
 
-#define __define_perf_accessors(r, n, np)				\
-									\
-static inline unsigned int r_c0_ ## r ## n(void)			\
-{									\
-	unsigned int cpu = vpe_id();					\
-									\
-	switch (cpu) {							\
-	case 0:								\
-		return read_c0_ ## r ## n();				\
-	case 1:								\
-		return read_c0_ ## r ## np();				\
-	default:							\
-		BUG();							\
-	}								\
-	return 0;							\
-}									\
-									\
-static inline void w_c0_ ## r ## n(unsigned int value)			\
-{									\
-	unsigned int cpu = vpe_id();					\
-									\
-	switch (cpu) {							\
-	case 0:								\
-		write_c0_ ## r ## n(value);				\
-		return;							\
-	case 1:								\
-		write_c0_ ## r ## np(value);				\
-		return;							\
-	default:							\
-		BUG();							\
-	}								\
-	return;								\
-}									\
-
-__define_perf_accessors(perfcntr, 0, 2)
-__define_perf_accessors(perfcntr, 1, 3)
-__define_perf_accessors(perfcntr, 2, 0)
-__define_perf_accessors(perfcntr, 3, 1)
-
-__define_perf_accessors(perfctrl, 0, 2)
-__define_perf_accessors(perfctrl, 1, 3)
-__define_perf_accessors(perfctrl, 2, 0)
-__define_perf_accessors(perfctrl, 3, 1)
-
-static inline int __n_counters(void)
-{
-	if (!(read_c0_config1() & M_CONFIG1_PC))
-		return 0;
-	if (!(read_c0_perfctrl0() & M_PERFCTL_MORE))
-		return 1;
-	if (!(read_c0_perfctrl1() & M_PERFCTL_MORE))
-		return 2;
-	if (!(read_c0_perfctrl2() & M_PERFCTL_MORE))
-		return 3;
+#else /* !CONFIG_MIPS_MT_SMP */
+#define vpe_id()	0
 
-	return 4;
-}
+#endif /* CONFIG_MIPS_MT_SMP */
 
-static inline int n_counters(void)
-{
-	int counters;
+static void resume_local_counters(void);
+static void pause_local_counters(void);
+static irqreturn_t mipsxx_pmu_handle_irq(int, void *);
+static int mipsxx_pmu_handle_shared_irq(void);
 
-	switch (current_cpu_type()) {
-	case CPU_R10000:
-		counters = 2;
-		break;
+static unsigned int mipsxx_pmu_swizzle_perf_idx(unsigned int idx)
+{
+	if (vpe_id() == 1)
+		idx = (idx + 2) & 3;
+	return idx;
+}
 
-	case CPU_R12000:
-	case CPU_R14000:
-		counters = 4;
-		break;
+static u64 mipsxx_pmu_read_counter(unsigned int idx)
+{
+	idx = mipsxx_pmu_swizzle_perf_idx(idx);
 
+	switch (idx) {
+	case 0:
+		/*
+		 * The counters are unsigned, we must cast to truncate
+		 * off the high bits.
+		 */
+		return (u32)read_c0_perfcntr0();
+	case 1:
+		return (u32)read_c0_perfcntr1();
+	case 2:
+		return (u32)read_c0_perfcntr2();
+	case 3:
+		return (u32)read_c0_perfcntr3();
 	default:
-		counters = __n_counters();
+		WARN_ONCE(1, "Invalid performance counter number (%d)\n", idx);
+		return 0;
 	}
-
-	return counters;
 }
 
-static void reset_counters(void *arg)
+static u64 mipsxx_pmu_read_counter_64(unsigned int idx)
 {
-	int counters = (int)(long)arg;
-	switch (counters) {
-	case 4:
-		w_c0_perfctrl3(0);
-		w_c0_perfcntr3(0);
-	case 3:
-		w_c0_perfctrl2(0);
-		w_c0_perfcntr2(0);
-	case 2:
-		w_c0_perfctrl1(0);
-		w_c0_perfcntr1(0);
+	idx = mipsxx_pmu_swizzle_perf_idx(idx);
+
+	switch (idx) {
+	case 0:
+		return read_c0_perfcntr0_64();
 	case 1:
-		w_c0_perfctrl0(0);
-		w_c0_perfcntr0(0);
+		return read_c0_perfcntr1_64();
+	case 2:
+		return read_c0_perfcntr2_64();
+	case 3:
+		return read_c0_perfcntr3_64();
+	default:
+		WARN_ONCE(1, "Invalid performance counter number (%d)\n", idx);
+		return 0;
 	}
 }
 
-static inline u64
-mipsxx_pmu_read_counter(unsigned int idx)
+static void mipsxx_pmu_write_counter(unsigned int idx, u64 val)
 {
+	idx = mipsxx_pmu_swizzle_perf_idx(idx);
+
 	switch (idx) {
 	case 0:
-		return r_c0_perfcntr0();
+		write_c0_perfcntr0(val);
+		return;
 	case 1:
-		return r_c0_perfcntr1();
+		write_c0_perfcntr1(val);
+		return;
 	case 2:
-		return r_c0_perfcntr2();
+		write_c0_perfcntr2(val);
+		return;
 	case 3:
-		return r_c0_perfcntr3();
-	default:
-		WARN_ONCE(1, "Invalid performance counter number (%d)\n", idx);
-		return 0;
+		write_c0_perfcntr3(val);
+		return;
 	}
 }
 
-static inline void
-mipsxx_pmu_write_counter(unsigned int idx, u64 val)
+static void mipsxx_pmu_write_counter_64(unsigned int idx, u64 val)
 {
+	idx = mipsxx_pmu_swizzle_perf_idx(idx);
+
 	switch (idx) {
 	case 0:
-		w_c0_perfcntr0(val);
+		write_c0_perfcntr0_64(val);
 		return;
 	case 1:
-		w_c0_perfcntr1(val);
+		write_c0_perfcntr1_64(val);
 		return;
 	case 2:
-		w_c0_perfcntr2(val);
+		write_c0_perfcntr2_64(val);
 		return;
 	case 3:
-		w_c0_perfcntr3(val);
+		write_c0_perfcntr3_64(val);
 		return;
 	}
 }
 
-static inline unsigned int
-mipsxx_pmu_read_control(unsigned int idx)
+static unsigned int mipsxx_pmu_read_control(unsigned int idx)
 {
+	idx = mipsxx_pmu_swizzle_perf_idx(idx);
+
 	switch (idx) {
 	case 0:
-		return r_c0_perfctrl0();
+		return read_c0_perfctrl0();
 	case 1:
-		return r_c0_perfctrl1();
+		return read_c0_perfctrl1();
 	case 2:
-		return r_c0_perfctrl2();
+		return read_c0_perfctrl2();
 	case 3:
-		return r_c0_perfctrl3();
+		return read_c0_perfctrl3();
 	default:
 		WARN_ONCE(1, "Invalid performance counter number (%d)\n", idx);
 		return 0;
 	}
 }
 
-static inline void
-mipsxx_pmu_write_control(unsigned int idx, unsigned int val)
+static void mipsxx_pmu_write_control(unsigned int idx, unsigned int val)
 {
+	idx = mipsxx_pmu_swizzle_perf_idx(idx);
+
 	switch (idx) {
 	case 0:
-		w_c0_perfctrl0(val);
+		write_c0_perfctrl0(val);
 		return;
 	case 1:
-		w_c0_perfctrl1(val);
+		write_c0_perfctrl1(val);
 		return;
 	case 2:
-		w_c0_perfctrl2(val);
+		write_c0_perfctrl2(val);
 		return;
 	case 3:
-		w_c0_perfctrl3(val);
+		write_c0_perfctrl3(val);
+		return;
+	}
+}
+
+static int mipsxx_pmu_alloc_counter(struct cpu_hw_events *cpuc,
+				    struct hw_perf_event *hwc)
+{
+	int i;
+
+	/*
+	 * We only need to care the counter mask. The range has been
+	 * checked definitely.
+	 */
+	unsigned long cntr_mask = (hwc->event_base >> 8) & 0xffff;
+
+	for (i = mipspmu.num_counters - 1; i >= 0; i--) {
+		/*
+		 * Note that some MIPS perf events can be counted by both
+		 * even and odd counters, wheresas many other are only by
+		 * even _or_ odd counters. This introduces an issue that
+		 * when the former kind of event takes the counter the
+		 * latter kind of event wants to use, then the "counter
+		 * allocation" for the latter event will fail. In fact if
+		 * they can be dynamically swapped, they both feel happy.
+		 * But here we leave this issue alone for now.
+		 */
+		if (test_bit(i, &cntr_mask) &&
+			!test_and_set_bit(i, cpuc->used_mask))
+			return i;
+	}
+
+	return -EAGAIN;
+}
+
+static void mipsxx_pmu_enable_event(struct hw_perf_event *evt, int idx)
+{
+	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+
+	WARN_ON(idx < 0 || idx >= mipspmu.num_counters);
+
+	cpuc->saved_ctrl[idx] = M_PERFCTL_EVENT(evt->event_base & 0xff) |
+		(evt->config_base & M_PERFCTL_CONFIG_MASK) |
+		/* Make sure interrupt enabled. */
+		M_PERFCTL_INTERRUPT_ENABLE;
+	/*
+	 * We do not actually let the counter run. Leave it until start().
+	 */
+}
+
+static void mipsxx_pmu_disable_event(int idx)
+{
+	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+	unsigned long flags;
+
+	WARN_ON(idx < 0 || idx >= mipspmu.num_counters);
+
+	local_irq_save(flags);
+	cpuc->saved_ctrl[idx] = mipsxx_pmu_read_control(idx) &
+		~M_PERFCTL_COUNT_EVENT_WHENEVER;
+	mipsxx_pmu_write_control(idx, cpuc->saved_ctrl[idx]);
+	local_irq_restore(flags);
+}
+
+static int mipspmu_event_set_period(struct perf_event *event,
+				    struct hw_perf_event *hwc,
+				    int idx)
+{
+	u64 left = local64_read(&hwc->period_left);
+	u64 period = hwc->sample_period;
+	int ret = 0;
+
+	if (unlikely((left + period) & (1ULL << 63))) {
+		/* left underflowed by more than period. */
+		left = period;
+		local64_set(&hwc->period_left, left);
+		hwc->last_period = period;
+		ret = 1;
+	} else	if (unlikely((left + period) <= period)) {
+		/* left underflowed by less than period. */
+		left += period;
+		local64_set(&hwc->period_left, left);
+		hwc->last_period = period;
+		ret = 1;
+	}
+
+	if (left > mipspmu.max_period) {
+		left = mipspmu.max_period;
+		local64_set(&hwc->period_left, left);
+	}
+
+	local64_set(&hwc->prev_count, mipspmu.overflow - left);
+
+	mipspmu.write_counter(idx, mipspmu.overflow - left);
+
+	perf_event_update_userpage(event);
+
+	return ret;
+}
+
+static void mipspmu_event_update(struct perf_event *event,
+				 struct hw_perf_event *hwc,
+				 int idx)
+{
+	u64 prev_raw_count, new_raw_count;
+	u64 delta;
+
+again:
+	prev_raw_count = local64_read(&hwc->prev_count);
+	new_raw_count = mipspmu.read_counter(idx);
+
+	if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
+				new_raw_count) != prev_raw_count)
+		goto again;
+
+	delta = new_raw_count - prev_raw_count;
+
+	local64_add(delta, &event->count);
+	local64_sub(delta, &hwc->period_left);
+}
+
+static void mipspmu_start(struct perf_event *event, int flags)
+{
+	struct hw_perf_event *hwc = &event->hw;
+
+	if (flags & PERF_EF_RELOAD)
+		WARN_ON_ONCE(!(hwc->state & PERF_HES_UPTODATE));
+
+	hwc->state = 0;
+
+	/* Set the period for the event. */
+	mipspmu_event_set_period(event, hwc, hwc->idx);
+
+	/* Enable the event. */
+	mipsxx_pmu_enable_event(hwc, hwc->idx);
+}
+
+static void mipspmu_stop(struct perf_event *event, int flags)
+{
+	struct hw_perf_event *hwc = &event->hw;
+
+	if (!(hwc->state & PERF_HES_STOPPED)) {
+		/* We are working on a local event. */
+		mipsxx_pmu_disable_event(hwc->idx);
+		barrier();
+		mipspmu_event_update(event, hwc, hwc->idx);
+		hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE;
+	}
+}
+
+static int mipspmu_add(struct perf_event *event, int flags)
+{
+	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+	struct hw_perf_event *hwc = &event->hw;
+	int idx;
+	int err = 0;
+
+	perf_pmu_disable(event->pmu);
+
+	/* To look for a free counter for this event. */
+	idx = mipsxx_pmu_alloc_counter(cpuc, hwc);
+	if (idx < 0) {
+		err = idx;
+		goto out;
+	}
+
+	/*
+	 * If there is an event in the counter we are going to use then
+	 * make sure it is disabled.
+	 */
+	event->hw.idx = idx;
+	mipsxx_pmu_disable_event(idx);
+	cpuc->events[idx] = event;
+
+	hwc->state = PERF_HES_STOPPED | PERF_HES_UPTODATE;
+	if (flags & PERF_EF_START)
+		mipspmu_start(event, PERF_EF_RELOAD);
+
+	/* Propagate our changes to the userspace mapping. */
+	perf_event_update_userpage(event);
+
+out:
+	perf_pmu_enable(event->pmu);
+	return err;
+}
+
+static void mipspmu_del(struct perf_event *event, int flags)
+{
+	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+	struct hw_perf_event *hwc = &event->hw;
+	int idx = hwc->idx;
+
+	WARN_ON(idx < 0 || idx >= mipspmu.num_counters);
+
+	mipspmu_stop(event, PERF_EF_UPDATE);
+	cpuc->events[idx] = NULL;
+	clear_bit(idx, cpuc->used_mask);
+
+	perf_event_update_userpage(event);
+}
+
+static void mipspmu_read(struct perf_event *event)
+{
+	struct hw_perf_event *hwc = &event->hw;
+
+	/* Don't read disabled counters! */
+	if (hwc->idx < 0)
 		return;
+
+	mipspmu_event_update(event, hwc, hwc->idx);
+}
+
+static void mipspmu_enable(struct pmu *pmu)
+{
+#ifdef CONFIG_MIPS_MT_SMP
+	write_unlock(&pmuint_rwlock);
+#endif
+	resume_local_counters();
+}
+
+/*
+ * MIPS performance counters can be per-TC. The control registers can
+ * not be directly accessed accross CPUs. Hence if we want to do global
+ * control, we need cross CPU calls. on_each_cpu() can help us, but we
+ * can not make sure this function is called with interrupts enabled. So
+ * here we pause local counters and then grab a rwlock and leave the
+ * counters on other CPUs alone. If any counter interrupt raises while
+ * we own the write lock, simply pause local counters on that CPU and
+ * spin in the handler. Also we know we won't be switched to another
+ * CPU after pausing local counters and before grabbing the lock.
+ */
+static void mipspmu_disable(struct pmu *pmu)
+{
+	pause_local_counters();
+#ifdef CONFIG_MIPS_MT_SMP
+	write_lock(&pmuint_rwlock);
+#endif
+}
+
+static atomic_t active_events = ATOMIC_INIT(0);
+static DEFINE_MUTEX(pmu_reserve_mutex);
+static int (*save_perf_irq)(void);
+
+static int mipspmu_get_irq(void)
+{
+	int err;
+
+	if (mipspmu.irq >= 0) {
+		/* Request my own irq handler. */
+		err = request_irq(mipspmu.irq, mipsxx_pmu_handle_irq,
+			IRQF_PERCPU | IRQF_NOBALANCING,
+			"mips_perf_pmu", NULL);
+		if (err) {
+			pr_warning("Unable to request IRQ%d for MIPS "
+			   "performance counters!\n", mipspmu.irq);
+		}
+	} else if (cp0_perfcount_irq < 0) {
+		/*
+		 * We are sharing the irq number with the timer interrupt.
+		 */
+		save_perf_irq = perf_irq;
+		perf_irq = mipsxx_pmu_handle_shared_irq;
+		err = 0;
+	} else {
+		pr_warning("The platform hasn't properly defined its "
+			"interrupt controller.\n");
+		err = -ENOENT;
 	}
+
+	return err;
+}
+
+static void mipspmu_free_irq(void)
+{
+	if (mipspmu.irq >= 0)
+		free_irq(mipspmu.irq, NULL);
+	else if (cp0_perfcount_irq < 0)
+		perf_irq = save_perf_irq;
 }
 
+/*
+ * mipsxx/rm9000/loongson2 have different performance counters, they have
+ * specific low-level init routines.
+ */
+static void reset_counters(void *arg);
+static int __hw_perf_event_init(struct perf_event *event);
+
+static void hw_perf_event_destroy(struct perf_event *event)
+{
+	if (atomic_dec_and_mutex_lock(&active_events,
+				&pmu_reserve_mutex)) {
+		/*
+		 * We must not call the destroy function with interrupts
+		 * disabled.
+		 */
+		on_each_cpu(reset_counters,
+			(void *)(long)mipspmu.num_counters, 1);
+		mipspmu_free_irq();
+		mutex_unlock(&pmu_reserve_mutex);
+	}
+}
+
+static int mipspmu_event_init(struct perf_event *event)
+{
+	int err = 0;
+
+	switch (event->attr.type) {
+	case PERF_TYPE_RAW:
+	case PERF_TYPE_HARDWARE:
+	case PERF_TYPE_HW_CACHE:
+		break;
+
+	default:
+		return -ENOENT;
+	}
+
+	if (event->cpu >= nr_cpumask_bits ||
+	    (event->cpu >= 0 && !cpu_online(event->cpu)))
+		return -ENODEV;
+
+	if (!atomic_inc_not_zero(&active_events)) {
+		if (atomic_read(&active_events) > MIPS_MAX_HWEVENTS) {
+			atomic_dec(&active_events);
+			return -ENOSPC;
+		}
+
+		mutex_lock(&pmu_reserve_mutex);
+		if (atomic_read(&active_events) == 0)
+			err = mipspmu_get_irq();
+
+		if (!err)
+			atomic_inc(&active_events);
+		mutex_unlock(&pmu_reserve_mutex);
+	}
+
+	if (err)
+		return err;
+
+	err = __hw_perf_event_init(event);
+	if (err)
+		hw_perf_event_destroy(event);
+
+	return err;
+}
+
+static struct pmu pmu = {
+	.pmu_enable	= mipspmu_enable,
+	.pmu_disable	= mipspmu_disable,
+	.event_init	= mipspmu_event_init,
+	.add		= mipspmu_add,
+	.del		= mipspmu_del,
+	.start		= mipspmu_start,
+	.stop		= mipspmu_stop,
+	.read		= mipspmu_read,
+};
+
+static unsigned int mipspmu_perf_event_encode(const struct mips_perf_event *pev)
+{
+/*
+ * Top 8 bits for range, next 16 bits for cntr_mask, lowest 8 bits for
+ * event_id.
+ */
 #ifdef CONFIG_MIPS_MT_SMP
-static DEFINE_RWLOCK(pmuint_rwlock);
+	return ((unsigned int)pev->range << 24) |
+		(pev->cntr_mask & 0xffff00) |
+		(pev->event_id & 0xff);
+#else
+	return (pev->cntr_mask & 0xffff00) |
+		(pev->event_id & 0xff);
 #endif
+}
+
+static const struct mips_perf_event *mipspmu_map_general_event(int idx)
+{
+	const struct mips_perf_event *pev;
+
+	pev = ((*mipspmu.general_event_map)[idx].event_id ==
+		UNSUPPORTED_PERF_EVENT_ID ? ERR_PTR(-EOPNOTSUPP) :
+		&(*mipspmu.general_event_map)[idx]);
+
+	return pev;
+}
+
+static const struct mips_perf_event *mipspmu_map_cache_event(u64 config)
+{
+	unsigned int cache_type, cache_op, cache_result;
+	const struct mips_perf_event *pev;
+
+	cache_type = (config >> 0) & 0xff;
+	if (cache_type >= PERF_COUNT_HW_CACHE_MAX)
+		return ERR_PTR(-EINVAL);
+
+	cache_op = (config >> 8) & 0xff;
+	if (cache_op >= PERF_COUNT_HW_CACHE_OP_MAX)
+		return ERR_PTR(-EINVAL);
+
+	cache_result = (config >> 16) & 0xff;
+	if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX)
+		return ERR_PTR(-EINVAL);
+
+	pev = &((*mipspmu.cache_event_map)
+					[cache_type]
+					[cache_op]
+					[cache_result]);
+
+	if (pev->event_id == UNSUPPORTED_PERF_EVENT_ID)
+		return ERR_PTR(-EOPNOTSUPP);
+
+	return pev;
+
+}
+
+static int validate_event(struct cpu_hw_events *cpuc,
+	       struct perf_event *event)
+{
+	struct hw_perf_event fake_hwc = event->hw;
+
+	/* Allow mixed event group. So return 1 to pass validation. */
+	if (event->pmu != &pmu || event->state <= PERF_EVENT_STATE_OFF)
+		return 1;
+
+	return mipsxx_pmu_alloc_counter(cpuc, &fake_hwc) >= 0;
+}
+
+static int validate_group(struct perf_event *event)
+{
+	struct perf_event *sibling, *leader = event->group_leader;
+	struct cpu_hw_events fake_cpuc;
+
+	memset(&fake_cpuc, 0, sizeof(fake_cpuc));
+
+	if (!validate_event(&fake_cpuc, leader))
+		return -ENOSPC;
+
+	list_for_each_entry(sibling, &leader->sibling_list, group_entry) {
+		if (!validate_event(&fake_cpuc, sibling))
+			return -ENOSPC;
+	}
+
+	if (!validate_event(&fake_cpuc, event))
+		return -ENOSPC;
+
+	return 0;
+}
+
+/* This is needed by specific irq handlers in perf_event_*.c */
+static void handle_associated_event(struct cpu_hw_events *cpuc,
+				    int idx, struct perf_sample_data *data,
+				    struct pt_regs *regs)
+{
+	struct perf_event *event = cpuc->events[idx];
+	struct hw_perf_event *hwc = &event->hw;
+
+	mipspmu_event_update(event, hwc, idx);
+	data->period = event->hw.last_period;
+	if (!mipspmu_event_set_period(event, hwc, idx))
+		return;
+
+	if (perf_event_overflow(event, data, regs))
+		mipsxx_pmu_disable_event(idx);
+}
+
+
+static int __n_counters(void)
+{
+	if (!(read_c0_config1() & M_CONFIG1_PC))
+		return 0;
+	if (!(read_c0_perfctrl0() & M_PERFCTL_MORE))
+		return 1;
+	if (!(read_c0_perfctrl1() & M_PERFCTL_MORE))
+		return 2;
+	if (!(read_c0_perfctrl2() & M_PERFCTL_MORE))
+		return 3;
+
+	return 4;
+}
+
+static int n_counters(void)
+{
+	int counters;
+
+	switch (current_cpu_type()) {
+	case CPU_R10000:
+		counters = 2;
+		break;
+
+	case CPU_R12000:
+	case CPU_R14000:
+		counters = 4;
+		break;
+
+	default:
+		counters = __n_counters();
+	}
+
+	return counters;
+}
+
+static void reset_counters(void *arg)
+{
+	int counters = (int)(long)arg;
+	switch (counters) {
+	case 4:
+		mipsxx_pmu_write_control(3, 0);
+		mipspmu.write_counter(3, 0);
+	case 3:
+		mipsxx_pmu_write_control(2, 0);
+		mipspmu.write_counter(2, 0);
+	case 2:
+		mipsxx_pmu_write_control(1, 0);
+		mipspmu.write_counter(1, 0);
+	case 1:
+		mipsxx_pmu_write_control(0, 0);
+		mipspmu.write_counter(0, 0);
+	}
+}
 
 /* 24K/34K/1004K cores can share the same event map. */
 static const struct mips_perf_event mipsxxcore_event_map
@@ -277,6 +841,16 @@ static const struct mips_perf_event mipsxx74Kcore_event_map
 	[PERF_COUNT_HW_BUS_CYCLES] = { UNSUPPORTED_PERF_EVENT_ID },
 };
 
+static const struct mips_perf_event octeon_event_map[PERF_COUNT_HW_MAX] = {
+	[PERF_COUNT_HW_CPU_CYCLES] = { 0x01, CNTR_ALL },
+	[PERF_COUNT_HW_INSTRUCTIONS] = { 0x03, CNTR_ALL },
+	[PERF_COUNT_HW_CACHE_REFERENCES] = { 0x2b, CNTR_ALL },
+	[PERF_COUNT_HW_CACHE_MISSES] = { 0x2e, CNTR_ALL  },
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x08, CNTR_ALL },
+	[PERF_COUNT_HW_BRANCH_MISSES] = { 0x09, CNTR_ALL },
+	[PERF_COUNT_HW_BUS_CYCLES] = { 0x25, CNTR_ALL },
+};
+
 /* 24K/34K/1004K cores can share the same cache event map. */
 static const struct mips_perf_event mipsxxcore_cache_map
 				[PERF_COUNT_HW_CACHE_MAX]
@@ -510,10 +1084,105 @@ static const struct mips_perf_event mipsxx74Kcore_cache_map
 },
 };
 
+
+static const struct mips_perf_event octeon_cache_map
+				[PERF_COUNT_HW_CACHE_MAX]
+				[PERF_COUNT_HW_CACHE_OP_MAX]
+				[PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+[C(L1D)] = {
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { 0x2b, CNTR_ALL },
+		[C(RESULT_MISS)]	= { 0x2e, CNTR_ALL },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { 0x30, CNTR_ALL },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_PREFETCH)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+},
+[C(L1I)] = {
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { 0x18, CNTR_ALL },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_PREFETCH)] = {
+		[C(RESULT_ACCESS)]	= { 0x19, CNTR_ALL },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+},
+[C(LL)] = {
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_PREFETCH)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+},
+[C(DTLB)] = {
+	/*
+	 * Only general DTLB misses are counted use the same event for
+	 * read and write.
+	 */
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { 0x35, CNTR_ALL },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { 0x35, CNTR_ALL },
+	},
+	[C(OP_PREFETCH)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+},
+[C(ITLB)] = {
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { 0x37, CNTR_ALL },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_PREFETCH)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+},
+[C(BPU)] = {
+	/* Using the same code for *HW_BRANCH* */
+	[C(OP_READ)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_WRITE)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+	[C(OP_PREFETCH)] = {
+		[C(RESULT_ACCESS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+		[C(RESULT_MISS)]	= { UNSUPPORTED_PERF_EVENT_ID },
+	},
+},
+};
+
 #ifdef CONFIG_MIPS_MT_SMP
-static void
-check_and_calc_range(struct perf_event *event,
-			const struct mips_perf_event *pev)
+static void check_and_calc_range(struct perf_event *event,
+				 const struct mips_perf_event *pev)
 {
 	struct hw_perf_event *hwc = &event->hw;
 
@@ -536,9 +1205,8 @@ check_and_calc_range(struct perf_event *event,
 		hwc->config_base |= M_TC_EN_ALL;
 }
 #else
-static void
-check_and_calc_range(struct perf_event *event,
-			const struct mips_perf_event *pev)
+static void check_and_calc_range(struct perf_event *event,
+				 const struct mips_perf_event *pev)
 {
 }
 #endif
@@ -560,7 +1228,7 @@ static int __hw_perf_event_init(struct perf_event *event)
 	} else if (PERF_TYPE_RAW == event->attr.type) {
 		/* We are working on the global raw event. */
 		mutex_lock(&raw_event_mutex);
-		pev = mipspmu->map_raw_event(event->attr.config);
+		pev = mipspmu.map_raw_event(event->attr.config);
 	} else {
 		/* The event type is not (yet) supported. */
 		return -EOPNOTSUPP;
@@ -605,7 +1273,7 @@ static int __hw_perf_event_init(struct perf_event *event)
 	hwc->config = 0;
 
 	if (!hwc->sample_period) {
-		hwc->sample_period  = MAX_PERIOD;
+		hwc->sample_period  = mipspmu.max_period;
 		hwc->last_period    = hwc->sample_period;
 		local64_set(&hwc->period_left, hwc->sample_period);
 	}
@@ -618,70 +1286,47 @@ static int __hw_perf_event_init(struct perf_event *event)
 	}
 
 	event->destroy = hw_perf_event_destroy;
-
 	return err;
 }
 
 static void pause_local_counters(void)
 {
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	int counters = mipspmu->num_counters;
+	int ctr = mipspmu.num_counters;
 	unsigned long flags;
 
 	local_irq_save(flags);
-	switch (counters) {
-	case 4:
-		cpuc->saved_ctrl[3] = r_c0_perfctrl3();
-		w_c0_perfctrl3(cpuc->saved_ctrl[3] &
-			~M_PERFCTL_COUNT_EVENT_WHENEVER);
-	case 3:
-		cpuc->saved_ctrl[2] = r_c0_perfctrl2();
-		w_c0_perfctrl2(cpuc->saved_ctrl[2] &
-			~M_PERFCTL_COUNT_EVENT_WHENEVER);
-	case 2:
-		cpuc->saved_ctrl[1] = r_c0_perfctrl1();
-		w_c0_perfctrl1(cpuc->saved_ctrl[1] &
-			~M_PERFCTL_COUNT_EVENT_WHENEVER);
-	case 1:
-		cpuc->saved_ctrl[0] = r_c0_perfctrl0();
-		w_c0_perfctrl0(cpuc->saved_ctrl[0] &
-			~M_PERFCTL_COUNT_EVENT_WHENEVER);
-	}
+	do {
+		ctr--;
+		cpuc->saved_ctrl[ctr] = mipsxx_pmu_read_control(ctr);
+		mipsxx_pmu_write_control(ctr, cpuc->saved_ctrl[ctr] &
+					 ~M_PERFCTL_COUNT_EVENT_WHENEVER);
+	} while (ctr > 0);
 	local_irq_restore(flags);
 }
 
 static void resume_local_counters(void)
 {
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	int counters = mipspmu->num_counters;
-	unsigned long flags;
+	int ctr = mipspmu.num_counters;
 
-	local_irq_save(flags);
-	switch (counters) {
-	case 4:
-		w_c0_perfctrl3(cpuc->saved_ctrl[3]);
-	case 3:
-		w_c0_perfctrl2(cpuc->saved_ctrl[2]);
-	case 2:
-		w_c0_perfctrl1(cpuc->saved_ctrl[1]);
-	case 1:
-		w_c0_perfctrl0(cpuc->saved_ctrl[0]);
-	}
-	local_irq_restore(flags);
+	do {
+		ctr--;
+		mipsxx_pmu_write_control(ctr, cpuc->saved_ctrl[ctr]);
+	} while (ctr > 0);
 }
 
 static int mipsxx_pmu_handle_shared_irq(void)
 {
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
 	struct perf_sample_data data;
-	unsigned int counters = mipspmu->num_counters;
-	unsigned int counter;
+	unsigned int counters = mipspmu.num_counters;
+	u64 counter;
 	int handled = IRQ_NONE;
 	struct pt_regs *regs;
 
 	if (cpu_has_mips_r2 && !(read_c0_cause() & (1 << 26)))
 		return handled;
-
 	/*
 	 * First we pause the local counters, so that when we are locked
 	 * here, the counters are all paused. When it gets locked due to
@@ -702,13 +1347,9 @@ static int mipsxx_pmu_handle_shared_irq(void)
 #define HANDLE_COUNTER(n)						\
 	case n + 1:							\
 		if (test_bit(n, cpuc->used_mask)) {			\
-			counter = r_c0_perfcntr ## n();			\
-			if (counter & M_COUNTER_OVERFLOW) {		\
-				w_c0_perfcntr ## n(counter &		\
-						VALID_COUNT);		\
-				if (test_and_change_bit(n, cpuc->msbs))	\
-					handle_associated_event(cpuc,	\
-						n, &data, regs);	\
+			counter = mipspmu.read_counter(n);		\
+			if (counter & mipspmu.overflow) {		\
+				handle_associated_event(cpuc, n, &data, regs); \
 				handled = IRQ_HANDLED;			\
 			}						\
 		}
@@ -733,104 +1374,11 @@ static int mipsxx_pmu_handle_shared_irq(void)
 	return handled;
 }
 
-static irqreturn_t
-mipsxx_pmu_handle_irq(int irq, void *dev)
+static irqreturn_t mipsxx_pmu_handle_irq(int irq, void *dev)
 {
 	return mipsxx_pmu_handle_shared_irq();
 }
 
-static void mipsxx_pmu_start(void)
-{
-#ifdef CONFIG_MIPS_MT_SMP
-	write_unlock(&pmuint_rwlock);
-#endif
-	resume_local_counters();
-}
-
-/*
- * MIPS performance counters can be per-TC. The control registers can
- * not be directly accessed across CPUs. Hence if we want to do global
- * control, we need cross CPU calls. on_each_cpu() can help us, but we
- * can not make sure this function is called with interrupts enabled. So
- * here we pause local counters and then grab a rwlock and leave the
- * counters on other CPUs alone. If any counter interrupt raises while
- * we own the write lock, simply pause local counters on that CPU and
- * spin in the handler. Also we know we won't be switched to another
- * CPU after pausing local counters and before grabbing the lock.
- */
-static void mipsxx_pmu_stop(void)
-{
-	pause_local_counters();
-#ifdef CONFIG_MIPS_MT_SMP
-	write_lock(&pmuint_rwlock);
-#endif
-}
-
-static int
-mipsxx_pmu_alloc_counter(struct cpu_hw_events *cpuc,
-			struct hw_perf_event *hwc)
-{
-	int i;
-
-	/*
-	 * We only need to care the counter mask. The range has been
-	 * checked definitely.
-	 */
-	unsigned long cntr_mask = (hwc->event_base >> 8) & 0xffff;
-
-	for (i = mipspmu->num_counters - 1; i >= 0; i--) {
-		/*
-		 * Note that some MIPS perf events can be counted by both
-		 * even and odd counters, wheresas many other are only by
-		 * even _or_ odd counters. This introduces an issue that
-		 * when the former kind of event takes the counter the
-		 * latter kind of event wants to use, then the "counter
-		 * allocation" for the latter event will fail. In fact if
-		 * they can be dynamically swapped, they both feel happy.
-		 * But here we leave this issue alone for now.
-		 */
-		if (test_bit(i, &cntr_mask) &&
-			!test_and_set_bit(i, cpuc->used_mask))
-			return i;
-	}
-
-	return -EAGAIN;
-}
-
-static void
-mipsxx_pmu_enable_event(struct hw_perf_event *evt, int idx)
-{
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	unsigned long flags;
-
-	WARN_ON(idx < 0 || idx >= mipspmu->num_counters);
-
-	local_irq_save(flags);
-	cpuc->saved_ctrl[idx] = M_PERFCTL_EVENT(evt->event_base & 0xff) |
-		(evt->config_base & M_PERFCTL_CONFIG_MASK) |
-		/* Make sure interrupt enabled. */
-		M_PERFCTL_INTERRUPT_ENABLE;
-	/*
-	 * We do not actually let the counter run. Leave it until start().
-	 */
-	local_irq_restore(flags);
-}
-
-static void
-mipsxx_pmu_disable_event(int idx)
-{
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	unsigned long flags;
-
-	WARN_ON(idx < 0 || idx >= mipspmu->num_counters);
-
-	local_irq_save(flags);
-	cpuc->saved_ctrl[idx] = mipsxx_pmu_read_control(idx) &
-		~M_PERFCTL_COUNT_EVENT_WHENEVER;
-	mipsxx_pmu_write_control(idx, cpuc->saved_ctrl[idx]);
-	local_irq_restore(flags);
-}
-
 /* 24K */
 #define IS_UNSUPPORTED_24K_EVENT(r, b)					\
 	((b) == 12 || (r) == 151 || (r) == 152 || (b) == 26 ||		\
@@ -892,8 +1440,7 @@ mipsxx_pmu_disable_event(int idx)
  * then 128 needs to be added to 15 as the input for the event config,
  * i.e., 143 (0x8F) to be used.
  */
-static const struct mips_perf_event *
-mipsxx_pmu_map_raw_event(u64 config)
+static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config)
 {
 	unsigned int raw_id = config & 0xff;
 	unsigned int base_id = raw_id & 0x7f;
@@ -970,40 +1517,44 @@ mipsxx_pmu_map_raw_event(u64 config)
 	return &raw_event;
 }
 
-static struct mips_pmu mipsxxcore_pmu = {
-	.handle_irq = mipsxx_pmu_handle_irq,
-	.handle_shared_irq = mipsxx_pmu_handle_shared_irq,
-	.start = mipsxx_pmu_start,
-	.stop = mipsxx_pmu_stop,
-	.alloc_counter = mipsxx_pmu_alloc_counter,
-	.read_counter = mipsxx_pmu_read_counter,
-	.write_counter = mipsxx_pmu_write_counter,
-	.enable_event = mipsxx_pmu_enable_event,
-	.disable_event = mipsxx_pmu_disable_event,
-	.map_raw_event = mipsxx_pmu_map_raw_event,
-	.general_event_map = &mipsxxcore_event_map,
-	.cache_event_map = &mipsxxcore_cache_map,
-};
+static const struct mips_perf_event *octeon_pmu_map_raw_event(u64 config)
+{
+	unsigned int raw_id = config & 0xff;
+	unsigned int base_id = raw_id & 0x7f;
 
-static struct mips_pmu mipsxx74Kcore_pmu = {
-	.handle_irq = mipsxx_pmu_handle_irq,
-	.handle_shared_irq = mipsxx_pmu_handle_shared_irq,
-	.start = mipsxx_pmu_start,
-	.stop = mipsxx_pmu_stop,
-	.alloc_counter = mipsxx_pmu_alloc_counter,
-	.read_counter = mipsxx_pmu_read_counter,
-	.write_counter = mipsxx_pmu_write_counter,
-	.enable_event = mipsxx_pmu_enable_event,
-	.disable_event = mipsxx_pmu_disable_event,
-	.map_raw_event = mipsxx_pmu_map_raw_event,
-	.general_event_map = &mipsxx74Kcore_event_map,
-	.cache_event_map = &mipsxx74Kcore_cache_map,
-};
+
+	raw_event.cntr_mask = CNTR_ALL;
+	raw_event.event_id = base_id;
+
+	if (current_cpu_type() == CPU_CAVIUM_OCTEON2) {
+		if (base_id > 0x42)
+			return ERR_PTR(-EOPNOTSUPP);
+	} else {
+		if (base_id > 0x3a)
+			return ERR_PTR(-EOPNOTSUPP);
+	}
+
+	switch (base_id) {
+	case 0x00:
+	case 0x0f:
+	case 0x1e:
+	case 0x1f:
+	case 0x2f:
+	case 0x34:
+	case 0x3b ... 0x3f:
+		return ERR_PTR(-EOPNOTSUPP);
+	default:
+		break;
+	}
+
+	return &raw_event;
+}
 
 static int __init
 init_hw_perf_events(void)
 {
 	int counters, irq;
+	int counter_bits;
 
 	pr_info("Performance counters: ");
 
@@ -1035,32 +1586,36 @@ init_hw_perf_events(void)
 	}
 #endif
 
-	on_each_cpu(reset_counters, (void *)(long)counters, 1);
+	mipspmu.map_raw_event = mipsxx_pmu_map_raw_event;
 
 	switch (current_cpu_type()) {
 	case CPU_24K:
-		mipsxxcore_pmu.name = "mips/24K";
-		mipsxxcore_pmu.num_counters = counters;
-		mipsxxcore_pmu.irq = irq;
-		mipspmu = &mipsxxcore_pmu;
+		mipspmu.name = "mips/24K";
+		mipspmu.general_event_map = &mipsxxcore_event_map;
+		mipspmu.cache_event_map = &mipsxxcore_cache_map;
 		break;
 	case CPU_34K:
-		mipsxxcore_pmu.name = "mips/34K";
-		mipsxxcore_pmu.num_counters = counters;
-		mipsxxcore_pmu.irq = irq;
-		mipspmu = &mipsxxcore_pmu;
+		mipspmu.name = "mips/34K";
+		mipspmu.general_event_map = &mipsxxcore_event_map;
+		mipspmu.cache_event_map = &mipsxxcore_cache_map;
 		break;
 	case CPU_74K:
-		mipsxx74Kcore_pmu.name = "mips/74K";
-		mipsxx74Kcore_pmu.num_counters = counters;
-		mipsxx74Kcore_pmu.irq = irq;
-		mipspmu = &mipsxx74Kcore_pmu;
+		mipspmu.name = "mips/74K";
+		mipspmu.general_event_map = &mipsxx74Kcore_event_map;
+		mipspmu.cache_event_map = &mipsxx74Kcore_cache_map;
 		break;
 	case CPU_1004K:
-		mipsxxcore_pmu.name = "mips/1004K";
-		mipsxxcore_pmu.num_counters = counters;
-		mipsxxcore_pmu.irq = irq;
-		mipspmu = &mipsxxcore_pmu;
+		mipspmu.name = "mips/1004K";
+		mipspmu.general_event_map = &mipsxxcore_event_map;
+		mipspmu.cache_event_map = &mipsxxcore_cache_map;
+		break;
+	case CPU_CAVIUM_OCTEON:
+	case CPU_CAVIUM_OCTEON_PLUS:
+	case CPU_CAVIUM_OCTEON2:
+		mipspmu.name = "octeon";
+		mipspmu.general_event_map = &octeon_event_map;
+		mipspmu.cache_event_map = &octeon_cache_map;
+		mipspmu.map_raw_event = octeon_pmu_map_raw_event;
 		break;
 	default:
 		pr_cont("Either hardware does not support performance "
@@ -1068,15 +1623,33 @@ init_hw_perf_events(void)
 		return -ENODEV;
 	}
 
-	if (mipspmu)
-		pr_cont("%s PMU enabled, %d counters available to each "
-			"CPU, irq %d%s\n", mipspmu->name, counters, irq,
-			irq < 0 ? " (share with timer interrupt)" : "");
+	mipspmu.num_counters = counters;
+	mipspmu.irq = irq;
+
+	if (read_c0_perfctrl0() & M_PERFCTL_WIDE) {
+		mipspmu.max_period = (1ULL << 63) - 1;
+		mipspmu.valid_count = (1ULL << 63) - 1;
+		mipspmu.overflow = 1ULL << 63;
+		mipspmu.read_counter = mipsxx_pmu_read_counter_64;
+		mipspmu.write_counter = mipsxx_pmu_write_counter_64;
+		counter_bits = 64;
+	} else {
+		mipspmu.max_period = (1ULL << 31) - 1;
+		mipspmu.valid_count = (1ULL << 31) - 1;
+		mipspmu.overflow = 1ULL << 31;
+		mipspmu.read_counter = mipsxx_pmu_read_counter;
+		mipspmu.write_counter = mipsxx_pmu_write_counter;
+		counter_bits = 32;
+	}
+
+	on_each_cpu(reset_counters, (void *)(long)counters, 1);
+
+	pr_cont("%s PMU enabled, %d %d-bit counters available to each "
+		"CPU, irq %d%s\n", mipspmu.name, counters, counter_bits, irq,
+		irq < 0 ? " (share with timer interrupt)" : "");
 
 	perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW);
 
 	return 0;
 }
 early_initcall(init_hw_perf_events);
-
-#endif /* defined(CONFIG_CPU_MIPS32)... */
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 865bc7a6f5a1..47920657968d 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -496,7 +496,7 @@ einval:	li	v0, -ENOSYS
 	sys	sys_lookup_dcookie	4
 	sys	sys_epoll_create	1
 	sys	sys_epoll_ctl		4
-	sys	sys_epoll_wait		3	/* 4250 */
+	sys	sys_epoll_wait		4	/* 4250 */
 	sys	sys_remap_file_pages	5
 	sys	sys_set_tid_address	1
 	sys	sys_restart_syscall	0
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
index 16c4d256b76f..daa81f7284ac 100644
--- a/arch/mips/mm/c-octeon.c
+++ b/arch/mips/mm/c-octeon.c
@@ -169,6 +169,10 @@ static void octeon_flush_cache_page(struct vm_area_struct *vma,
 		octeon_flush_icache_all_cores(vma);
 }
 
+static void octeon_flush_kernel_vmap_range(unsigned long vaddr, int size)
+{
+	BUG();
+}
 
 /**
  * Probe Octeon's caches
@@ -273,6 +277,8 @@ void __cpuinit octeon_cache_init(void)
 	flush_icache_range		= octeon_flush_icache_range;
 	local_flush_icache_range	= local_octeon_flush_icache_range;
 
+	__flush_kernel_vmap_range	= octeon_flush_kernel_vmap_range;
+
 	build_clear_page();
 	build_copy_page();
 }
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index e6b0efd3f6a4..0765583d0c92 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -299,6 +299,11 @@ static void r3k_flush_cache_sigtramp(unsigned long addr)
 	write_c0_status(flags);
 }
 
+static void r3k_flush_kernel_vmap_range(unsigned long vaddr, int size)
+{
+	BUG();
+}
+
 static void r3k_dma_cache_wback_inv(unsigned long start, unsigned long size)
 {
 	/* Catch bad driver code */
@@ -323,6 +328,8 @@ void __cpuinit r3k_cache_init(void)
 	flush_icache_range = r3k_flush_icache_range;
 	local_flush_icache_range = r3k_flush_icache_range;
 
+	__flush_kernel_vmap_range = r3k_flush_kernel_vmap_range;
+
 	flush_cache_sigtramp = r3k_flush_cache_sigtramp;
 	local_flush_data_cache_page = local_r3k_flush_data_cache_page;
 	flush_data_cache_page = r3k_flush_data_cache_page;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index b9aabb998a32..a79fe9aa7721 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -722,6 +722,39 @@ static void r4k_flush_icache_all(void)
 		r4k_blast_icache();
 }
 
+struct flush_kernel_vmap_range_args {
+	unsigned long	vaddr;
+	int		size;
+};
+
+static inline void local_r4k_flush_kernel_vmap_range(void *args)
+{
+	struct flush_kernel_vmap_range_args *vmra = args;
+	unsigned long vaddr = vmra->vaddr;
+	int size = vmra->size;
+
+	/*
+	 * Aliases only affect the primary caches so don't bother with
+	 * S-caches or T-caches.
+	 */
+	if (cpu_has_safe_index_cacheops && size >= dcache_size)
+		r4k_blast_dcache();
+	else {
+		R4600_HIT_CACHEOP_WAR_IMPL;
+		blast_dcache_range(vaddr, vaddr + size);
+	}
+}
+
+static void r4k_flush_kernel_vmap_range(unsigned long vaddr, int size)
+{
+	struct flush_kernel_vmap_range_args args;
+
+	args.vaddr = (unsigned long) vaddr;
+	args.size = size;
+
+	r4k_on_each_cpu(local_r4k_flush_kernel_vmap_range, &args);
+}
+
 static inline void rm7k_erratum31(void)
 {
 	const unsigned long ic_lsize = 32;
@@ -1403,6 +1436,8 @@ void __cpuinit r4k_cache_init(void)
 	flush_cache_page	= r4k_flush_cache_page;
 	flush_cache_range	= r4k_flush_cache_range;
 
+	__flush_kernel_vmap_range = r4k_flush_kernel_vmap_range;
+
 	flush_cache_sigtramp	= r4k_flush_cache_sigtramp;
 	flush_icache_all	= r4k_flush_icache_all;
 	local_flush_data_cache_page	= local_r4k_flush_data_cache_page;
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index d352fad3e451..a43c197ccf8c 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -253,6 +253,11 @@ static void tx39_flush_icache_range(unsigned long start, unsigned long end)
 	}
 }
 
+static void tx39_flush_kernel_vmap_range(unsigned long vaddr, int size)
+{
+	BUG();
+}
+
 static void tx39_dma_cache_wback_inv(unsigned long addr, unsigned long size)
 {
 	unsigned long end;
@@ -394,6 +399,8 @@ void __cpuinit tx39_cache_init(void)
 		flush_icache_range = tx39_flush_icache_range;
 		local_flush_icache_range = tx39_flush_icache_range;
 
+		__flush_kernel_vmap_range = tx39_flush_kernel_vmap_range;
+
 		flush_cache_sigtramp = tx39_flush_cache_sigtramp;
 		local_flush_data_cache_page = local_tx39_flush_data_cache_page;
 		flush_data_cache_page = tx39_flush_data_cache_page;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 12af739048fa..829320c7b175 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -35,6 +35,11 @@ void (*local_flush_icache_range)(unsigned long start, unsigned long end);
 void (*__flush_cache_vmap)(void);
 void (*__flush_cache_vunmap)(void);
 
+void (*__flush_kernel_vmap_range)(unsigned long vaddr, int size);
+void (*__invalidate_kernel_vmap_range)(unsigned long vaddr, int size);
+
+EXPORT_SYMBOL_GPL(__flush_kernel_vmap_range);
+
 /* MIPS specific cache operations */
 void (*flush_cache_sigtramp)(unsigned long addr);
 void (*local_flush_data_cache_page)(void * addr);
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index 40424affef83..87bb85d8d537 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -223,8 +223,8 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 	local_irq_restore(flags);
 }
 
-void __init add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
-			    unsigned long entryhi, unsigned long pagemask)
+void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
+		     unsigned long entryhi, unsigned long pagemask)
 {
 	unsigned long flags;
 	unsigned long old_ctx;
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index ba40325caea6..0d394e0e8837 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -337,8 +337,8 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
 	EXIT_CRITICAL(flags);
 }
 
-void __init add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
-	unsigned long entryhi, unsigned long pagemask)
+void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
+		     unsigned long entryhi, unsigned long pagemask)
 {
 	unsigned long flags;
 	unsigned long wired;
diff --git a/arch/mips/netlogic/Platform b/arch/mips/netlogic/Platform
index f87c1640abb5..b648b487fd66 100644
--- a/arch/mips/netlogic/Platform
+++ b/arch/mips/netlogic/Platform
@@ -5,6 +5,11 @@ cflags-$(CONFIG_NLM_COMMON)  += -I$(srctree)/arch/mips/include/asm/mach-netlogic
 cflags-$(CONFIG_NLM_COMMON)  += -I$(srctree)/arch/mips/include/asm/netlogic
 
 #
+# use mips64 if xlr is not available
+#
+cflags-$(CONFIG_NLM_XLR)	+= $(call cc-option,-march=xlr,-march=mips64)
+
+#
 # NETLOGIC XLR/XLS SoC, Simulator and boards
 #
 core-$(CONFIG_NLM_XLR)	      += arch/mips/netlogic/xlr/
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index 482802569e74..cee25ddd0887 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -53,7 +53,7 @@ unsigned long netlogic_io_base = (unsigned long)(DEFAULT_NETLOGIC_IO_BASE);
 unsigned long nlm_common_ebase = 0x0;
 struct psb_info nlm_prom_info;
 
-static void nlm_early_serial_setup(void)
+static void __init nlm_early_serial_setup(void)
 {
 	struct uart_port s;
 	nlm_reg_t *uart_base;
@@ -101,7 +101,7 @@ void __init prom_free_prom_memory(void)
 	/* Nothing yet */
 }
 
-static void build_arcs_cmdline(int *argv)
+static void __init build_arcs_cmdline(int *argv)
 {
 	int i, remain, len;
 	char *arg;
diff --git a/arch/mips/netlogic/xlr/smp.c b/arch/mips/netlogic/xlr/smp.c
index d842bce5c940..080284ded508 100644
--- a/arch/mips/netlogic/xlr/smp.c
+++ b/arch/mips/netlogic/xlr/smp.c
@@ -158,6 +158,10 @@ void __init nlm_smp_setup(void)
 
 	num_cpus = 1;
 	for (i = 0; i < NR_CPUS; i++) {
+		/*
+		 * BSP is not set in nlm_cpu_ready array, it is only for
+		 * ASPs (goto see smpboot.S)
+		 */
 		if (nlm_cpu_ready[i]) {
 			cpu_set(i, phys_cpu_present_map);
 			__cpu_number_map[i] = num_cpus;
@@ -191,7 +195,7 @@ struct plat_smp_ops nlm_smp_ops = {
 
 unsigned long secondary_entry_point;
 
-int nlm_wakeup_secondary_cpus(u32 wakeup_mask)
+int __cpuinit nlm_wakeup_secondary_cpus(u32 wakeup_mask)
 {
 	unsigned int tid, pid, ipi, i, boot_cpu;
 	void *reset_vec;
diff --git a/arch/mips/netlogic/xlr/smpboot.S b/arch/mips/netlogic/xlr/smpboot.S
index b8e074402c99..8cb7889ce0cc 100644
--- a/arch/mips/netlogic/xlr/smpboot.S
+++ b/arch/mips/netlogic/xlr/smpboot.S
@@ -32,17 +32,19 @@
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <linux/init.h>
+
 #include <asm/asm.h>
 #include <asm/asm-offsets.h>
 #include <asm/regdef.h>
 #include <asm/mipsregs.h>
 
-
-/* Don't jump to linux function from Bootloader stack. Change it
- * here. Kernel might allocate bootloader memory before all the CPUs are
- * brought up (eg: Inode cache region) and we better don't overwrite this
- * memory
+/*
+ * Early code for secondary CPUs. This will get them out of the bootloader
+ * code and into linux. Needed because the bootloader area will be taken
+ * and initialized by linux.
  */
+	__CPUINIT
 NESTED(prom_pre_boot_secondary_cpus, 16, sp)
 	.set	mips64
 	mfc0	t0, $15, 1	# read ebase
@@ -73,7 +75,11 @@ NESTED(prom_pre_boot_secondary_cpus, 16, sp)
 	jr	t0
 	nop
 END(prom_pre_boot_secondary_cpus)
+	__FINIT
 
+/*
+ * NMI code, used for CPU wakeup, copied to reset entry
+ */
 NESTED(nlm_boot_smp_nmi, 0, sp)
 	.set push
 	.set noat
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 4df879937446..bb82cbdbc62a 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -18,14 +18,13 @@ obj-$(CONFIG_PCI_TX4927)	+= ops-tx4927.o
 obj-$(CONFIG_BCM47XX)		+= pci-bcm47xx.o
 obj-$(CONFIG_BCM63XX)		+= pci-bcm63xx.o fixup-bcm63xx.o \
 					ops-bcm63xx.o
+obj-$(CONFIG_MIPS_ALCHEMY)	+= pci-alchemy.o
 
 #
 # These are still pretty much in the old state, watch, go blind.
 #
 obj-$(CONFIG_LASAT)		+= pci-lasat.o
 obj-$(CONFIG_MIPS_COBALT)	+= fixup-cobalt.o
-obj-$(CONFIG_SOC_AU1500)	+= fixup-au1000.o ops-au1000.o
-obj-$(CONFIG_SOC_AU1550)	+= fixup-au1000.o ops-au1000.o
 obj-$(CONFIG_SOC_PNX8550)	+= fixup-pnx8550.o ops-pnx8550.o
 obj-$(CONFIG_LEMOTE_FULOONG2E)	+= fixup-fuloong2e.o ops-loongson2.o
 obj-$(CONFIG_LEMOTE_MACH2F)	+= fixup-lemote2f.o ops-loongson2.o
diff --git a/arch/mips/pci/fixup-au1000.c b/arch/mips/pci/fixup-au1000.c
deleted file mode 100644
index e2ddfc49237c..000000000000
--- a/arch/mips/pci/fixup-au1000.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- *	Board specific PCI fixups.
- *
- * Copyright 2001-2003, 2008 MontaVista Software Inc.
- * Author: MontaVista Software, Inc. <source@mvista.com>
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/pci.h>
-#include <linux/init.h>
-
-extern char irq_tab_alchemy[][5];
-
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-	return irq_tab_alchemy[slot][pin];
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-	return 0;
-}
diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c
deleted file mode 100644
index 9a57c5ab91dd..000000000000
--- a/arch/mips/pci/ops-au1000.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- *	Alchemy/AMD Au1xx0 PCI support.
- *
- * Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
- * Author: MontaVista Software, Inc. <source@mvista.com>
- *
- *  Support for all devices (greater than 16) added by David Gathright.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-
-#include <asm/mach-au1x00/au1000.h>
-
-#undef	DEBUG
-#ifdef	DEBUG
-#define DBG(x...) printk(KERN_DEBUG x)
-#else
-#define DBG(x...)
-#endif
-
-#define PCI_ACCESS_READ  0
-#define PCI_ACCESS_WRITE 1
-
-int (*board_pci_idsel)(unsigned int devsel, int assert);
-
-void mod_wired_entry(int entry, unsigned long entrylo0,
-		unsigned long entrylo1, unsigned long entryhi,
-		unsigned long pagemask)
-{
-	unsigned long old_pagemask;
-	unsigned long old_ctx;
-
-	/* Save old context and create impossible VPN2 value */
-	old_ctx = read_c0_entryhi() & 0xff;
-	old_pagemask = read_c0_pagemask();
-	write_c0_index(entry);
-	write_c0_pagemask(pagemask);
-	write_c0_entryhi(entryhi);
-	write_c0_entrylo0(entrylo0);
-	write_c0_entrylo1(entrylo1);
-	tlb_write_indexed();
-	write_c0_entryhi(old_ctx);
-	write_c0_pagemask(old_pagemask);
-}
-
-static struct vm_struct *pci_cfg_vm;
-static int pci_cfg_wired_entry;
-static unsigned long last_entryLo0, last_entryLo1;
-
-/*
- * We can't ioremap the entire pci config space because it's too large.
- * Nor can we call ioremap dynamically because some device drivers use
- * the PCI config routines from within interrupt handlers and that
- * becomes a problem in get_vm_area().  We use one wired TLB to handle
- * all config accesses for all busses.
- */
-void __init au1x_pci_cfg_init(void)
-{
-	/* Reserve a wired entry for PCI config accesses */
-	pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP);
-	if (!pci_cfg_vm)
-		panic(KERN_ERR "PCI unable to get vm area\n");
-	pci_cfg_wired_entry = read_c0_wired();
-	add_wired_entry(0, 0, (unsigned long)pci_cfg_vm->addr, PM_4K);
-	last_entryLo0 = last_entryLo1 = 0xffffffff;
-}
-
-static int config_access(unsigned char access_type, struct pci_bus *bus,
-			 unsigned int dev_fn, unsigned char where, u32 *data)
-{
-#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550)
-	unsigned int device = PCI_SLOT(dev_fn);
-	unsigned int function = PCI_FUNC(dev_fn);
-	unsigned long offset, status;
-	unsigned long cfg_base;
-	unsigned long flags;
-	int error = PCIBIOS_SUCCESSFUL;
-	unsigned long entryLo0, entryLo1;
-
-	if (device > 19) {
-		*data = 0xffffffff;
-		return -1;
-	}
-
-	local_irq_save(flags);
-	au_writel(((0x2000 << 16) | (au_readl(Au1500_PCI_STATCMD) & 0xffff)),
-			Au1500_PCI_STATCMD);
-	au_sync_udelay(1);
-
-	/*
-	 * Allow board vendors to implement their own off-chip IDSEL.
-	 * If it doesn't succeed, may as well bail out at this point.
-	 */
-	if (board_pci_idsel && board_pci_idsel(device, 1) == 0) {
-		*data = 0xffffffff;
-		local_irq_restore(flags);
-		return -1;
-	}
-
-	/* Setup the config window */
-	if (bus->number == 0)
-		cfg_base = (1 << device) << 11;
-	else
-		cfg_base = 0x80000000 | (bus->number << 16) | (device << 11);
-
-	/* Setup the lower bits of the 36-bit address */
-	offset = (function << 8) | (where & ~0x3);
-	/* Pick up any address that falls below the page mask */
-	offset |= cfg_base & ~PAGE_MASK;
-
-	/* Page boundary */
-	cfg_base = cfg_base & PAGE_MASK;
-
-	/*
-	 * To improve performance, if the current device is the same as
-	 * the last device accessed, we don't touch the TLB.
-	 */
-	entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7;
-	entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7;
-	if ((entryLo0 != last_entryLo0) || (entryLo1 != last_entryLo1)) {
-		mod_wired_entry(pci_cfg_wired_entry, entryLo0, entryLo1,
-				(unsigned long)pci_cfg_vm->addr, PM_4K);
-		last_entryLo0 = entryLo0;
-		last_entryLo1 = entryLo1;
-	}
-
-	if (access_type == PCI_ACCESS_WRITE)
-		au_writel(*data, (int)(pci_cfg_vm->addr + offset));
-	else
-		*data = au_readl((int)(pci_cfg_vm->addr + offset));
-
-	au_sync_udelay(2);
-
-	DBG("cfg_access %d bus->number %u dev %u at %x *data %x conf %lx\n",
-	    access_type, bus->number, device, where, *data, offset);
-
-	/* Check master abort */
-	status = au_readl(Au1500_PCI_STATCMD);
-
-	if (status & (1 << 29)) {
-		*data = 0xffffffff;
-		error = -1;
-		DBG("Au1x Master Abort\n");
-	} else if ((status >> 28) & 0xf) {
-		DBG("PCI ERR detected: device %u, status %lx\n",
-		    device, (status >> 28) & 0xf);
-
-		/* Clear errors */
-		au_writel(status & 0xf000ffff, Au1500_PCI_STATCMD);
-
-		*data = 0xffffffff;
-		error = -1;
-	}
-
-	/* Take away the IDSEL. */
-	if (board_pci_idsel)
-		(void)board_pci_idsel(device, 0);
-
-	local_irq_restore(flags);
-	return error;
-#endif
-}
-
-static int read_config_byte(struct pci_bus *bus, unsigned int devfn,
-			    int where,	u8 *val)
-{
-	u32 data;
-	int ret;
-
-	ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data);
-	if (where & 1)
-		data >>= 8;
-	if (where & 2)
-		data >>= 16;
-	*val = data & 0xff;
-	return ret;
-}
-
-static int read_config_word(struct pci_bus *bus, unsigned int devfn,
-			    int where, u16 *val)
-{
-	u32 data;
-	int ret;
-
-	ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data);
-	if (where & 2)
-		data >>= 16;
-	*val = data & 0xffff;
-	return ret;
-}
-
-static int read_config_dword(struct pci_bus *bus, unsigned int devfn,
-			     int where, u32 *val)
-{
-	int ret;
-
-	ret = config_access(PCI_ACCESS_READ, bus, devfn, where, val);
-	return ret;
-}
-
-static int write_config_byte(struct pci_bus *bus, unsigned int devfn,
-			     int where, u8 val)
-{
-	u32 data = 0;
-
-	if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
-		return -1;
-
-	data = (data & ~(0xff << ((where & 3) << 3))) |
-	       (val << ((where & 3) << 3));
-
-	if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
-		return -1;
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int write_config_word(struct pci_bus *bus, unsigned int devfn,
-			     int where, u16 val)
-{
-	u32 data = 0;
-
-	if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
-		return -1;
-
-	data = (data & ~(0xffff << ((where & 3) << 3))) |
-	       (val << ((where & 3) << 3));
-
-	if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
-		return -1;
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int write_config_dword(struct pci_bus *bus, unsigned int devfn,
-			      int where, u32 val)
-{
-	if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val))
-		return -1;
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int config_read(struct pci_bus *bus, unsigned int devfn,
-		       int where, int size, u32 *val)
-{
-	switch (size) {
-	case 1: {
-			u8 _val;
-			int rc = read_config_byte(bus, devfn, where, &_val);
-
-			*val = _val;
-			return rc;
-		}
-	case 2: {
-			u16 _val;
-			int rc = read_config_word(bus, devfn, where, &_val);
-
-			*val = _val;
-			return rc;
-		}
-	default:
-		return read_config_dword(bus, devfn, where, val);
-	}
-}
-
-static int config_write(struct pci_bus *bus, unsigned int devfn,
-			int where, int size, u32 val)
-{
-	switch (size) {
-	case 1:
-		return write_config_byte(bus, devfn, where, (u8) val);
-	case 2:
-		return write_config_word(bus, devfn, where, (u16) val);
-	default:
-		return write_config_dword(bus, devfn, where, val);
-	}
-}
-
-struct pci_ops au1x_pci_ops = {
-	config_read,
-	config_write
-};
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
new file mode 100644
index 000000000000..4ee57104e47b
--- /dev/null
+++ b/arch/mips/pci/pci-alchemy.c
@@ -0,0 +1,516 @@
+/*
+ * Alchemy PCI host mode support.
+ *
+ * Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
+ *
+ * Support for all devices (greater than 16) added by David Gathright.
+ */
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+
+#include <asm/mach-au1x00/au1000.h>
+
+#ifdef CONFIG_DEBUG_PCI
+#define DBG(x...) printk(KERN_DEBUG x)
+#else
+#define DBG(x...) do {} while (0)
+#endif
+
+#define PCI_ACCESS_READ		0
+#define PCI_ACCESS_WRITE	1
+
+struct alchemy_pci_context {
+	struct pci_controller alchemy_pci_ctrl;	/* leave as first member! */
+	void __iomem *regs;			/* ctrl base */
+	/* tools for wired entry for config space access */
+	unsigned long last_elo0;
+	unsigned long last_elo1;
+	int wired_entry;
+	struct vm_struct *pci_cfg_vm;
+
+	unsigned long pm[12];
+
+	int (*board_map_irq)(const struct pci_dev *d, u8 slot, u8 pin);
+	int (*board_pci_idsel)(unsigned int devsel, int assert);
+};
+
+/* IO/MEM resources for PCI. Keep the memres in sync with __fixup_bigphys_addr
+ * in arch/mips/alchemy/common/setup.c
+ */
+static struct resource alchemy_pci_def_memres = {
+	.start	= ALCHEMY_PCI_MEMWIN_START,
+	.end	= ALCHEMY_PCI_MEMWIN_END,
+	.name	= "PCI memory space",
+	.flags	= IORESOURCE_MEM
+};
+
+static struct resource alchemy_pci_def_iores = {
+	.start	= ALCHEMY_PCI_IOWIN_START,
+	.end	= ALCHEMY_PCI_IOWIN_END,
+	.name	= "PCI IO space",
+	.flags	= IORESOURCE_IO
+};
+
+static void mod_wired_entry(int entry, unsigned long entrylo0,
+		unsigned long entrylo1, unsigned long entryhi,
+		unsigned long pagemask)
+{
+	unsigned long old_pagemask;
+	unsigned long old_ctx;
+
+	/* Save old context and create impossible VPN2 value */
+	old_ctx = read_c0_entryhi() & 0xff;
+	old_pagemask = read_c0_pagemask();
+	write_c0_index(entry);
+	write_c0_pagemask(pagemask);
+	write_c0_entryhi(entryhi);
+	write_c0_entrylo0(entrylo0);
+	write_c0_entrylo1(entrylo1);
+	tlb_write_indexed();
+	write_c0_entryhi(old_ctx);
+	write_c0_pagemask(old_pagemask);
+}
+
+static void alchemy_pci_wired_entry(struct alchemy_pci_context *ctx)
+{
+	ctx->wired_entry = read_c0_wired();
+	add_wired_entry(0, 0, (unsigned long)ctx->pci_cfg_vm->addr, PM_4K);
+	ctx->last_elo0 = ctx->last_elo1 = ~0;
+}
+
+static int config_access(unsigned char access_type, struct pci_bus *bus,
+			 unsigned int dev_fn, unsigned char where, u32 *data)
+{
+	struct alchemy_pci_context *ctx = bus->sysdata;
+	unsigned int device = PCI_SLOT(dev_fn);
+	unsigned int function = PCI_FUNC(dev_fn);
+	unsigned long offset, status, cfg_base, flags, entryLo0, entryLo1, r;
+	int error = PCIBIOS_SUCCESSFUL;
+
+	if (device > 19) {
+		*data = 0xffffffff;
+		return -1;
+	}
+
+	/* YAMON on all db1xxx boards wipes the TLB and writes zero to C0_wired
+	 * on resume, clearing our wired entry.  Unfortunately the ->resume()
+	 * callback is called way way way too late (and ->suspend() too early)
+	 * to have them destroy and recreate it.  Instead just test if c0_wired
+	 * is now lower than the index we retrieved before suspending and then
+	 * recreate the entry if necessary.  Of course this is totally bonkers
+	 * and breaks as soon as someone else adds another wired entry somewhere
+	 * else.  Anyone have any ideas how to handle this better?
+	 */
+	if (unlikely(read_c0_wired() < ctx->wired_entry))
+		alchemy_pci_wired_entry(ctx);
+
+	local_irq_save(flags);
+	r = __raw_readl(ctx->regs + PCI_REG_STATCMD) & 0x0000ffff;
+	r |= PCI_STATCMD_STATUS(0x2000);
+	__raw_writel(r, ctx->regs + PCI_REG_STATCMD);
+	wmb();
+
+	/* Allow board vendors to implement their own off-chip IDSEL.
+	 * If it doesn't succeed, may as well bail out at this point.
+	 */
+	if (ctx->board_pci_idsel(device, 1) == 0) {
+		*data = 0xffffffff;
+		local_irq_restore(flags);
+		return -1;
+	}
+
+	/* Setup the config window */
+	if (bus->number == 0)
+		cfg_base = (1 << device) << 11;
+	else
+		cfg_base = 0x80000000 | (bus->number << 16) | (device << 11);
+
+	/* Setup the lower bits of the 36-bit address */
+	offset = (function << 8) | (where & ~0x3);
+	/* Pick up any address that falls below the page mask */
+	offset |= cfg_base & ~PAGE_MASK;
+
+	/* Page boundary */
+	cfg_base = cfg_base & PAGE_MASK;
+
+	/* To improve performance, if the current device is the same as
+	 * the last device accessed, we don't touch the TLB.
+	 */
+	entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7;
+	entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7;
+	if ((entryLo0 != ctx->last_elo0) || (entryLo1 != ctx->last_elo1)) {
+		mod_wired_entry(ctx->wired_entry, entryLo0, entryLo1,
+				(unsigned long)ctx->pci_cfg_vm->addr, PM_4K);
+		ctx->last_elo0 = entryLo0;
+		ctx->last_elo1 = entryLo1;
+	}
+
+	if (access_type == PCI_ACCESS_WRITE)
+		__raw_writel(*data, ctx->pci_cfg_vm->addr + offset);
+	else
+		*data = __raw_readl(ctx->pci_cfg_vm->addr + offset);
+	wmb();
+
+	DBG("alchemy-pci: cfg access %d bus %u dev %u at %x dat %x conf %lx\n",
+	    access_type, bus->number, device, where, *data, offset);
+
+	/* check for errors, master abort */
+	status = __raw_readl(ctx->regs + PCI_REG_STATCMD);
+	if (status & (1 << 29)) {
+		*data = 0xffffffff;
+		error = -1;
+		DBG("alchemy-pci: master abort on cfg access %d bus %d dev %d",
+		    access_type, bus->number, device);
+	} else if ((status >> 28) & 0xf) {
+		DBG("alchemy-pci: PCI ERR detected: dev %d, status %lx\n",
+		    device, (status >> 28) & 0xf);
+
+		/* clear errors */
+		__raw_writel(status & 0xf000ffff, ctx->regs + PCI_REG_STATCMD);
+
+		*data = 0xffffffff;
+		error = -1;
+	}
+
+	/* Take away the IDSEL. */
+	(void)ctx->board_pci_idsel(device, 0);
+
+	local_irq_restore(flags);
+	return error;
+}
+
+static int read_config_byte(struct pci_bus *bus, unsigned int devfn,
+			    int where,	u8 *val)
+{
+	u32 data;
+	int ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data);
+
+	if (where & 1)
+		data >>= 8;
+	if (where & 2)
+		data >>= 16;
+	*val = data & 0xff;
+	return ret;
+}
+
+static int read_config_word(struct pci_bus *bus, unsigned int devfn,
+			    int where, u16 *val)
+{
+	u32 data;
+	int ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data);
+
+	if (where & 2)
+		data >>= 16;
+	*val = data & 0xffff;
+	return ret;
+}
+
+static int read_config_dword(struct pci_bus *bus, unsigned int devfn,
+			     int where, u32 *val)
+{
+	return config_access(PCI_ACCESS_READ, bus, devfn, where, val);
+}
+
+static int write_config_byte(struct pci_bus *bus, unsigned int devfn,
+			     int where, u8 val)
+{
+	u32 data = 0;
+
+	if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
+		return -1;
+
+	data = (data & ~(0xff << ((where & 3) << 3))) |
+	       (val << ((where & 3) << 3));
+
+	if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
+		return -1;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int write_config_word(struct pci_bus *bus, unsigned int devfn,
+			     int where, u16 val)
+{
+	u32 data = 0;
+
+	if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
+		return -1;
+
+	data = (data & ~(0xffff << ((where & 3) << 3))) |
+	       (val << ((where & 3) << 3));
+
+	if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
+		return -1;
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int write_config_dword(struct pci_bus *bus, unsigned int devfn,
+			      int where, u32 val)
+{
+	return config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val);
+}
+
+static int alchemy_pci_read(struct pci_bus *bus, unsigned int devfn,
+		       int where, int size, u32 *val)
+{
+	switch (size) {
+	case 1: {
+			u8 _val;
+			int rc = read_config_byte(bus, devfn, where, &_val);
+
+			*val = _val;
+			return rc;
+		}
+	case 2: {
+			u16 _val;
+			int rc = read_config_word(bus, devfn, where, &_val);
+
+			*val = _val;
+			return rc;
+		}
+	default:
+		return read_config_dword(bus, devfn, where, val);
+	}
+}
+
+static int alchemy_pci_write(struct pci_bus *bus, unsigned int devfn,
+			     int where, int size, u32 val)
+{
+	switch (size) {
+	case 1:
+		return write_config_byte(bus, devfn, where, (u8) val);
+	case 2:
+		return write_config_word(bus, devfn, where, (u16) val);
+	default:
+		return write_config_dword(bus, devfn, where, val);
+	}
+}
+
+static struct pci_ops alchemy_pci_ops = {
+	.read	= alchemy_pci_read,
+	.write	= alchemy_pci_write,
+};
+
+static int alchemy_pci_def_idsel(unsigned int devsel, int assert)
+{
+	return 1;	/* success */
+}
+
+static int __devinit alchemy_pci_probe(struct platform_device *pdev)
+{
+	struct alchemy_pci_platdata *pd = pdev->dev.platform_data;
+	struct alchemy_pci_context *ctx;
+	void __iomem *virt_io;
+	unsigned long val;
+	struct resource *r;
+	int ret;
+
+	/* need at least PCI IRQ mapping table */
+	if (!pd) {
+		dev_err(&pdev->dev, "need platform data for PCI setup\n");
+		ret = -ENODEV;
+		goto out;
+	}
+
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	if (!ctx) {
+		dev_err(&pdev->dev, "no memory for pcictl context\n");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!r) {
+		dev_err(&pdev->dev, "no  pcictl ctrl regs resource\n");
+		ret = -ENODEV;
+		goto out1;
+	}
+
+	if (!request_mem_region(r->start, resource_size(r), pdev->name)) {
+		dev_err(&pdev->dev, "cannot claim pci regs\n");
+		ret = -ENODEV;
+		goto out1;
+	}
+
+	ctx->regs = ioremap_nocache(r->start, resource_size(r));
+	if (!ctx->regs) {
+		dev_err(&pdev->dev, "cannot map pci regs\n");
+		ret = -ENODEV;
+		goto out2;
+	}
+
+	/* map parts of the PCI IO area */
+	/* REVISIT: if this changes with a newer variant (doubt it) make this
+	 * a platform resource.
+	 */
+	virt_io = ioremap(AU1500_PCI_IO_PHYS_ADDR, 0x00100000);
+	if (!virt_io) {
+		dev_err(&pdev->dev, "cannot remap pci io space\n");
+		ret = -ENODEV;
+		goto out3;
+	}
+	ctx->alchemy_pci_ctrl.io_map_base = (unsigned long)virt_io;
+
+#ifdef CONFIG_DMA_NONCOHERENT
+	/* Au1500 revisions older than AD have borked coherent PCI */
+	if ((alchemy_get_cputype() == ALCHEMY_CPU_AU1500) &&
+	    (read_c0_prid() < 0x01030202)) {
+		val = __raw_readl(ctx->regs + PCI_REG_CONFIG);
+		val |= PCI_CONFIG_NC;
+		__raw_writel(val, ctx->regs + PCI_REG_CONFIG);
+		wmb();
+		dev_info(&pdev->dev, "non-coherent PCI on Au1500 AA/AB/AC\n");
+	}
+#endif
+
+	if (pd->board_map_irq)
+		ctx->board_map_irq = pd->board_map_irq;
+
+	if (pd->board_pci_idsel)
+		ctx->board_pci_idsel = pd->board_pci_idsel;
+	else
+		ctx->board_pci_idsel = alchemy_pci_def_idsel;
+
+	/* fill in relevant pci_controller members */
+	ctx->alchemy_pci_ctrl.pci_ops = &alchemy_pci_ops;
+	ctx->alchemy_pci_ctrl.mem_resource = &alchemy_pci_def_memres;
+	ctx->alchemy_pci_ctrl.io_resource = &alchemy_pci_def_iores;
+
+	/* we can't ioremap the entire pci config space because it's too large,
+	 * nor can we dynamically ioremap it because some drivers use the
+	 * PCI config routines from within atomic contex and that becomes a
+	 * problem in get_vm_area().  Instead we use one wired TLB entry to
+	 * handle all config accesses for all busses.
+	 */
+	ctx->pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP);
+	if (!ctx->pci_cfg_vm) {
+		dev_err(&pdev->dev, "unable to get vm area\n");
+		ret = -ENOMEM;
+		goto out4;
+	}
+	ctx->wired_entry = 8192;	/* impossibly high value */
+
+	set_io_port_base((unsigned long)ctx->alchemy_pci_ctrl.io_map_base);
+
+	/* board may want to modify bits in the config register, do it now */
+	val = __raw_readl(ctx->regs + PCI_REG_CONFIG);
+	val &= ~pd->pci_cfg_clr;
+	val |= pd->pci_cfg_set;
+	val &= ~PCI_CONFIG_PD;		/* clear disable bit */
+	__raw_writel(val, ctx->regs + PCI_REG_CONFIG);
+	wmb();
+
+	platform_set_drvdata(pdev, ctx);
+	register_pci_controller(&ctx->alchemy_pci_ctrl);
+
+	return 0;
+
+out4:
+	iounmap(virt_io);
+out3:
+	iounmap(ctx->regs);
+out2:
+	release_mem_region(r->start, resource_size(r));
+out1:
+	kfree(ctx);
+out:
+	return ret;
+}
+
+
+#ifdef CONFIG_PM
+/* save PCI controller register contents. */
+static int alchemy_pci_suspend(struct device *dev)
+{
+	struct alchemy_pci_context *ctx = dev_get_drvdata(dev);
+
+	ctx->pm[0]  = __raw_readl(ctx->regs + PCI_REG_CMEM);
+	ctx->pm[1]  = __raw_readl(ctx->regs + PCI_REG_CONFIG) & 0x0009ffff;
+	ctx->pm[2]  = __raw_readl(ctx->regs + PCI_REG_B2BMASK_CCH);
+	ctx->pm[3]  = __raw_readl(ctx->regs + PCI_REG_B2BBASE0_VID);
+	ctx->pm[4]  = __raw_readl(ctx->regs + PCI_REG_B2BBASE1_SID);
+	ctx->pm[5]  = __raw_readl(ctx->regs + PCI_REG_MWMASK_DEV);
+	ctx->pm[6]  = __raw_readl(ctx->regs + PCI_REG_MWBASE_REV_CCL);
+	ctx->pm[7]  = __raw_readl(ctx->regs + PCI_REG_ID);
+	ctx->pm[8]  = __raw_readl(ctx->regs + PCI_REG_CLASSREV);
+	ctx->pm[9]  = __raw_readl(ctx->regs + PCI_REG_PARAM);
+	ctx->pm[10] = __raw_readl(ctx->regs + PCI_REG_MBAR);
+	ctx->pm[11] = __raw_readl(ctx->regs + PCI_REG_TIMEOUT);
+
+	return 0;
+}
+
+static int alchemy_pci_resume(struct device *dev)
+{
+	struct alchemy_pci_context *ctx = dev_get_drvdata(dev);
+
+	__raw_writel(ctx->pm[0],  ctx->regs + PCI_REG_CMEM);
+	__raw_writel(ctx->pm[2],  ctx->regs + PCI_REG_B2BMASK_CCH);
+	__raw_writel(ctx->pm[3],  ctx->regs + PCI_REG_B2BBASE0_VID);
+	__raw_writel(ctx->pm[4],  ctx->regs + PCI_REG_B2BBASE1_SID);
+	__raw_writel(ctx->pm[5],  ctx->regs + PCI_REG_MWMASK_DEV);
+	__raw_writel(ctx->pm[6],  ctx->regs + PCI_REG_MWBASE_REV_CCL);
+	__raw_writel(ctx->pm[7],  ctx->regs + PCI_REG_ID);
+	__raw_writel(ctx->pm[8],  ctx->regs + PCI_REG_CLASSREV);
+	__raw_writel(ctx->pm[9],  ctx->regs + PCI_REG_PARAM);
+	__raw_writel(ctx->pm[10], ctx->regs + PCI_REG_MBAR);
+	__raw_writel(ctx->pm[11], ctx->regs + PCI_REG_TIMEOUT);
+	wmb();
+	__raw_writel(ctx->pm[1],  ctx->regs + PCI_REG_CONFIG);
+	wmb();
+
+	return 0;
+}
+
+static const struct dev_pm_ops alchemy_pci_pmops = {
+	.suspend	= alchemy_pci_suspend,
+	.resume		= alchemy_pci_resume,
+};
+
+#define ALCHEMY_PCICTL_PM	(&alchemy_pci_pmops)
+
+#else
+#define ALCHEMY_PCICTL_PM	NULL
+#endif
+
+static struct platform_driver alchemy_pcictl_driver = {
+	.probe		= alchemy_pci_probe,
+	.driver	= {
+		.name	= "alchemy-pci",
+		.owner	= THIS_MODULE,
+		.pm	= ALCHEMY_PCICTL_PM,
+	},
+};
+
+static int __init alchemy_pci_init(void)
+{
+	/* Au1500/Au1550 have PCI */
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1500:
+	case ALCHEMY_CPU_AU1550:
+		return platform_driver_register(&alchemy_pcictl_driver);
+	}
+	return 0;
+}
+arch_initcall(alchemy_pci_init);
+
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	struct alchemy_pci_context *ctx = dev->sysdata;
+	if (ctx && ctx->board_map_irq)
+		return ctx->board_map_irq(dev, slot, pin);
+	return -1;
+}
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	return 0;
+}
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_setup.c b/arch/mips/pmc-sierra/msp71xx/msp_setup.c
index 0abfbe04ffc9..655308a4e1cd 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_setup.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_setup.c
@@ -14,6 +14,7 @@
 #include <asm/cacheflush.h>
 #include <asm/r4kcache.h>
 #include <asm/reboot.h>
+#include <asm/smp-ops.h>
 #include <asm/time.h>
 
 #include <msp_prom.h>
diff --git a/arch/mips/pmc-sierra/yosemite/py-console.c b/arch/mips/pmc-sierra/yosemite/py-console.c
index 434d7b1a8c6a..b7f1d9c4a8a3 100644
--- a/arch/mips/pmc-sierra/yosemite/py-console.c
+++ b/arch/mips/pmc-sierra/yosemite/py-console.c
@@ -65,15 +65,11 @@ static unsigned char readb_outer_space(unsigned long long phys)
 
 	__asm__ __volatile__ (
 	"	.set	mips3		\n"
-	"	.set	push		\n"
-	"	.set	noreorder	\n"
-	"	.set	nomacro		\n"
 	"	ld	%0, %1		\n"
-	"	.set	pop		\n"
 	"	lbu	%0, (%0)	\n"
 	"	.set	mips0		\n"
 	: "=r" (res)
-	: "R" (vaddr));
+	: "m" (vaddr));
 
 	write_c0_status(sr);
 	ssnop_4();
@@ -93,15 +89,11 @@ static void writeb_outer_space(unsigned long long phys, unsigned char c)
 
 	__asm__ __volatile__ (
 	"	.set	mips3		\n"
-	"	.set	push		\n"
-	"	.set	noreorder	\n"
-	"	.set	nomacro		\n"
 	"	ld	%0, %1		\n"
-	"	.set	pop		\n"
 	"	sb	%2, (%0)	\n"
 	"	.set	mips0		\n"
 	: "=&r" (tmp)
-	: "R" (vaddr), "r" (c));
+	: "m" (vaddr), "r" (c));
 
 	write_c0_status(sr);
 	ssnop_4();
diff --git a/arch/mips/pnx8550/common/prom.c b/arch/mips/pnx8550/common/prom.c
index 32f70097c3c7..49639e8120d8 100644
--- a/arch/mips/pnx8550/common/prom.c
+++ b/arch/mips/pnx8550/common/prom.c
@@ -30,7 +30,7 @@ typedef struct
 }t_env_var;
 
 
-char * prom_getcmdline(void)
+char * __init prom_getcmdline(void)
 {
 	return &(arcs_cmdline[0]);
 }
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index b18b04e48577..f90dce315e04 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -337,12 +337,12 @@ static struct irq_chip bridge_irq_type = {
 	.irq_unmask	= enable_bridge_irq,
 };
 
-void __devinit register_bridge_irq(unsigned int irq)
+void register_bridge_irq(unsigned int irq)
 {
 	irq_set_chip_and_handler(irq, &bridge_irq_type, handle_level_irq);
 }
 
-int __devinit request_bridge_irq(struct bridge_controller *bc)
+int request_bridge_irq(struct bridge_controller *bc)
 {
 	int irq = allocate_irqno();
 	int swlevel, cpu;