18 files changed, 860 insertions, 437 deletions

diff --git a/arch/sh/drivers/pci/Makefile b/arch/sh/drivers/pci/Makefile
index 08af1f459756..4a59e6890876 100644
--- a/arch/sh/drivers/pci/Makefile
+++ b/arch/sh/drivers/pci/Makefile
@@ -1,14 +1,14 @@
 #
 # Makefile for the PCI specific kernel interface routines under Linux.
 #
-obj-y					+= pci.o
+obj-y					+= common.o pci.o
 
 obj-$(CONFIG_CPU_SUBTYPE_SH7751)	+= pci-sh7751.o ops-sh4.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7751R)	+= pci-sh7751.o ops-sh4.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7763)	+= pci-sh7780.o ops-sh4.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= pci-sh7780.o ops-sh4.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7785)	+= pci-sh7780.o ops-sh4.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7786)	+= ops-sh7786.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7786)	+= pcie-sh7786.o ops-sh7786.o
 obj-$(CONFIG_CPU_SH5)			+= pci-sh5.o ops-sh5.o
 
 obj-$(CONFIG_SH_DREAMCAST)		+= ops-dreamcast.o fixups-dreamcast.o \
@@ -25,4 +25,3 @@ obj-$(CONFIG_SH_TITAN)			+= fixups-titan.o
 obj-$(CONFIG_SH_LANDISK)		+= fixups-landisk.o
 obj-$(CONFIG_SH_LBOX_RE2)		+= fixups-rts7751r2d.o
 obj-$(CONFIG_SH_CAYMAN)			+= fixups-cayman.o
-obj-$(CONFIG_SH_URQUELL)		+= pcie-sh7786.o
diff --git a/arch/sh/drivers/pci/common.c b/arch/sh/drivers/pci/common.c
new file mode 100644
index 000000000000..dbf138199871
--- /dev/null
+++ b/arch/sh/drivers/pci/common.c
@@ -0,0 +1,162 @@
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/kernel.h>
+
+/*
+ * These functions are used early on before PCI scanning is done
+ * and all of the pci_dev and pci_bus structures have been created.
+ */
+static struct pci_dev *fake_pci_dev(struct pci_channel *hose,
+	int top_bus, int busnr, int devfn)
+{
+	static struct pci_dev dev;
+	static struct pci_bus bus;
+
+	dev.bus = &bus;
+	dev.sysdata = hose;
+	dev.devfn = devfn;
+	bus.number = busnr;
+	bus.sysdata = hose;
+	bus.ops = hose->pci_ops;
+
+	if(busnr != top_bus)
+		/* Fake a parent bus structure. */
+		bus.parent = &bus;
+	else
+		bus.parent = NULL;
+
+	return &dev;
+}
+
+#define EARLY_PCI_OP(rw, size, type)					\
+int __init early_##rw##_config_##size(struct pci_channel *hose,		\
+	int top_bus, int bus, int devfn, int offset, type value)	\
+{									\
+	return pci_##rw##_config_##size(				\
+		fake_pci_dev(hose, top_bus, bus, devfn),		\
+		offset, value);						\
+}
+
+EARLY_PCI_OP(read, byte, u8 *)
+EARLY_PCI_OP(read, word, u16 *)
+EARLY_PCI_OP(read, dword, u32 *)
+EARLY_PCI_OP(write, byte, u8)
+EARLY_PCI_OP(write, word, u16)
+EARLY_PCI_OP(write, dword, u32)
+
+int __init pci_is_66mhz_capable(struct pci_channel *hose,
+				int top_bus, int current_bus)
+{
+	u32 pci_devfn;
+	unsigned short vid;
+	int cap66 = -1;
+	u16 stat;
+
+	printk(KERN_INFO "PCI: Checking 66MHz capabilities...\n");
+
+	for (pci_devfn = 0; pci_devfn < 0xff; pci_devfn++) {
+		if (PCI_FUNC(pci_devfn))
+			continue;
+		if (early_read_config_word(hose, top_bus, current_bus,
+					   pci_devfn, PCI_VENDOR_ID, &vid) !=
+		    PCIBIOS_SUCCESSFUL)
+			continue;
+		if (vid == 0xffff)
+			continue;
+
+		/* check 66MHz capability */
+		if (cap66 < 0)
+			cap66 = 1;
+		if (cap66) {
+			early_read_config_word(hose, top_bus, current_bus,
+					       pci_devfn, PCI_STATUS, &stat);
+			if (!(stat & PCI_STATUS_66MHZ)) {
+				printk(KERN_DEBUG
+				       "PCI: %02x:%02x not 66MHz capable.\n",
+				       current_bus, pci_devfn);
+				cap66 = 0;
+				break;
+			}
+		}
+	}
+
+	return cap66 > 0;
+}
+
+static void pcibios_enable_err(unsigned long __data)
+{
+	struct pci_channel *hose = (struct pci_channel *)__data;
+
+	del_timer(&hose->err_timer);
+	printk(KERN_DEBUG "PCI: re-enabling error IRQ.\n");
+	enable_irq(hose->err_irq);
+}
+
+static void pcibios_enable_serr(unsigned long __data)
+{
+	struct pci_channel *hose = (struct pci_channel *)__data;
+
+	del_timer(&hose->serr_timer);
+	printk(KERN_DEBUG "PCI: re-enabling system error IRQ.\n");
+	enable_irq(hose->serr_irq);
+}
+
+void pcibios_enable_timers(struct pci_channel *hose)
+{
+	if (hose->err_irq) {
+		init_timer(&hose->err_timer);
+		hose->err_timer.data = (unsigned long)hose;
+		hose->err_timer.function = pcibios_enable_err;
+	}
+
+	if (hose->serr_irq) {
+		init_timer(&hose->serr_timer);
+		hose->serr_timer.data = (unsigned long)hose;
+		hose->serr_timer.function = pcibios_enable_serr;
+	}
+}
+
+/*
+ * A simple handler for the regular PCI status errors, called from IRQ
+ * context.
+ */
+unsigned int pcibios_handle_status_errors(unsigned long addr,
+					  unsigned int status,
+					  struct pci_channel *hose)
+{
+	unsigned int cmd = 0;
+
+	if (status & PCI_STATUS_REC_MASTER_ABORT) {
+		printk(KERN_DEBUG "PCI: master abort, pc=0x%08lx\n", addr);
+		cmd |= PCI_STATUS_REC_MASTER_ABORT;
+	}
+
+	if (status & PCI_STATUS_REC_TARGET_ABORT) {
+		printk(KERN_DEBUG "PCI: target abort: ");
+		pcibios_report_status(PCI_STATUS_REC_TARGET_ABORT |
+				      PCI_STATUS_SIG_TARGET_ABORT |
+				      PCI_STATUS_REC_MASTER_ABORT, 1);
+		printk("\n");
+
+		cmd |= PCI_STATUS_REC_TARGET_ABORT;
+	}
+
+	if (status & (PCI_STATUS_PARITY | PCI_STATUS_DETECTED_PARITY)) {
+		printk(KERN_DEBUG "PCI: parity error detected: ");
+		pcibios_report_status(PCI_STATUS_PARITY |
+				      PCI_STATUS_DETECTED_PARITY, 1);
+		printk("\n");
+
+		cmd |= PCI_STATUS_PARITY | PCI_STATUS_DETECTED_PARITY;
+
+		/* Now back off of the IRQ for awhile */
+		if (hose->err_irq) {
+			disable_irq_nosync(hose->err_irq);
+			hose->err_timer.expires = jiffies + HZ;
+			add_timer(&hose->err_timer);
+		}
+	}
+
+	return cmd;
+}
diff --git a/arch/sh/drivers/pci/fixups-dreamcast.c b/arch/sh/drivers/pci/fixups-dreamcast.c
index ed7f489936f1..942ef4f155f5 100644
--- a/arch/sh/drivers/pci/fixups-dreamcast.c
+++ b/arch/sh/drivers/pci/fixups-dreamcast.c
@@ -39,7 +39,7 @@ static void __init gapspci_fixup_resources(struct pci_dev *dev)
 		/*
 		 * We also assume that dev->devfn == 0
 		 */
-		dev->resource[1].start	= p->io_resource->start  + 0x100;
+		dev->resource[1].start	= p->resources[0].start  + 0x100;
 		dev->resource[1].end	= dev->resource[1].start + 0x200 - 1;
 
 		/*
diff --git a/arch/sh/drivers/pci/fixups-r7780rp.c b/arch/sh/drivers/pci/fixups-r7780rp.c
index 15ca65cb667e..08b2d8658a00 100644
--- a/arch/sh/drivers/pci/fixups-r7780rp.c
+++ b/arch/sh/drivers/pci/fixups-r7780rp.c
@@ -22,15 +22,3 @@ int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
 	return irq_tab[slot];
 }
-
-int pci_fixup_pcic(struct pci_channel *chan)
-{
-	pci_write_reg(chan, 0x000043ff, SH4_PCIINTM);
-	pci_write_reg(chan, 0x00000000, SH7780_PCIIBAR);
-	pci_write_reg(chan, 0x08000000, SH7780_PCICSCR0);
-	pci_write_reg(chan, 0x0000001b, SH7780_PCICSAR0);
-	pci_write_reg(chan, 0xfd000000, SH7780_PCICSCR1);
-	pci_write_reg(chan, 0x0000000f, SH7780_PCICSAR1);
-
-	return 0;
-}
diff --git a/arch/sh/drivers/pci/fixups-rts7751r2d.c b/arch/sh/drivers/pci/fixups-rts7751r2d.c
index 7898f14d6641..e248516118a9 100644
--- a/arch/sh/drivers/pci/fixups-rts7751r2d.c
+++ b/arch/sh/drivers/pci/fixups-rts7751r2d.c
@@ -43,7 +43,7 @@ int pci_fixup_pcic(struct pci_channel *chan)
 {
 	unsigned long bcr1, mcr;
 
-	bcr1 = ctrl_inl(SH7751_BCR1);
+	bcr1 = __raw_readl(SH7751_BCR1);
 	bcr1 |= 0x40080000;	/* Enable Bit 19 BREQEN, set PCIC to slave */
 	pci_write_reg(chan, bcr1, SH4_PCIBCR1);
 
@@ -54,7 +54,7 @@ int pci_fixup_pcic(struct pci_channel *chan)
 	pci_write_reg(chan, 0xfb900047, SH7751_PCICONF1);
 	pci_write_reg(chan, 0xab000001, SH7751_PCICONF4);
 
-	mcr = ctrl_inl(SH7751_MCR);
+	mcr = __raw_readl(SH7751_MCR);
 	mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF;
 	pci_write_reg(chan, mcr, SH4_PCIMCR);
 
diff --git a/arch/sh/drivers/pci/fixups-sdk7780.c b/arch/sh/drivers/pci/fixups-sdk7780.c
index 250b0edd7365..0930f988ac29 100644
--- a/arch/sh/drivers/pci/fixups-sdk7780.c
+++ b/arch/sh/drivers/pci/fixups-sdk7780.c
@@ -31,22 +31,3 @@ int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
        return sdk7780_irq_tab[pin-1][slot];
 }
-int pci_fixup_pcic(struct pci_channel *chan)
-{
-	/* Enable all interrupts, so we know what to fix */
-	pci_write_reg(chan, 0x0000C3FF, SH7780_PCIIMR);
-
-	/* Set up standard PCI config registers */
-	pci_write_reg(chan, 0x08000000, SH7780_PCIMBAR0);	/* PCI */
-	pci_write_reg(chan, 0x08000000, SH4_PCILAR0);	/* SHwy */
-	pci_write_reg(chan, 0x07F00001, SH4_PCILSR0);	/* size 128M w/ MBAR */
-
-	pci_write_reg(chan, 0x00000000, SH7780_PCIMBAR1);
-	pci_write_reg(chan, 0x00000000, SH4_PCILAR1);
-	pci_write_reg(chan, 0x00000000, SH4_PCILSR1);
-
-	pci_write_reg(chan, 0xAB000801, SH7780_PCIIBAR);
-	pci_write_reg(chan, 0xA5000C01, SH4_PCICR);
-
-	return 0;
-}
diff --git a/arch/sh/drivers/pci/fixups-se7751.c b/arch/sh/drivers/pci/fixups-se7751.c
index 475fa9f0fe2c..a4c7d3a4efca 100644
--- a/arch/sh/drivers/pci/fixups-se7751.c
+++ b/arch/sh/drivers/pci/fixups-se7751.c
@@ -97,12 +97,12 @@ int pci_fixup_pcic(struct pci_channel *chan)
 	* meaning all calls go straight through... use BUG_ON to
 	* catch erroneous assumption.
 	*/
-	BUG_ON(chan->mem_resource->start != SH7751_PCI_MEMORY_BASE);
+	BUG_ON(chan->resources[1].start != SH7751_PCI_MEMORY_BASE);
 
-	PCIC_WRITE(SH7751_PCIMBR, chan->mem_resource->start);
+	PCIC_WRITE(SH7751_PCIMBR, chan->resources[1].start);
 
 	/* Set IOBR for window containing area specified in pci.h */
-	PCIC_WRITE(SH7751_PCIIOBR, (chan->io_resource->start & SH7751_PCIIOBR_MASK));
+	PCIC_WRITE(SH7751_PCIIOBR, (chan->resources[0].start & SH7751_PCIIOBR_MASK));
 
 	/* All done, may as well say so... */
 	printk("SH7751 PCI: Finished initialization of the PCI controller\n");
diff --git a/arch/sh/drivers/pci/ops-sh4.c b/arch/sh/drivers/pci/ops-sh4.c
index 78bebebdc99c..0b81999fb88b 100644
--- a/arch/sh/drivers/pci/ops-sh4.c
+++ b/arch/sh/drivers/pci/ops-sh4.c
@@ -16,7 +16,7 @@
  * Direct access to PCI hardware...
  */
 #define CONFIG_CMD(bus, devfn, where) \
-	(P1SEG | (bus->number << 16) | (devfn << 8) | (where & ~3))
+	(0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3))
 
 static DEFINE_SPINLOCK(sh4_pci_lock);
 
@@ -102,34 +102,6 @@ struct pci_ops sh4_pci_ops = {
 	.write		= sh4_pci_write,
 };
 
-/*
- * Not really related to pci_ops, but it's common and not worth shoving
- * somewhere else for now..
- */
-int __init sh4_pci_check_direct(struct pci_channel *chan)
-{
-	/*
-	 * Check if configuration works.
-	 */
-	unsigned int tmp = pci_read_reg(chan, SH4_PCIPAR);
-
-	pci_write_reg(chan, P1SEG, SH4_PCIPAR);
-
-	if (pci_read_reg(chan, SH4_PCIPAR) == P1SEG) {
-		pci_write_reg(chan, tmp, SH4_PCIPAR);
-		printk(KERN_INFO "PCI: Using configuration type 1\n");
-		request_region(chan->reg_base + SH4_PCIPAR, 8,
-			       "PCI conf1");
-		return 0;
-	}
-
-	pci_write_reg(chan, tmp, SH4_PCIPAR);
-
-	printk(KERN_ERR "PCI: %s failed\n", __func__);
-
-	return -EINVAL;
-}
-
 int __attribute__((weak)) pci_fixup_pcic(struct pci_channel *chan)
 {
 	/* Nothing to do. */
diff --git a/arch/sh/drivers/pci/pci-dreamcast.c b/arch/sh/drivers/pci/pci-dreamcast.c
index 210f9d4af141..633694193af8 100644
--- a/arch/sh/drivers/pci/pci-dreamcast.c
+++ b/arch/sh/drivers/pci/pci-dreamcast.c
@@ -25,25 +25,25 @@
 #include <asm/irq.h>
 #include <mach/pci.h>
 
-static struct resource gapspci_io_resource = {
-	.name	= "GAPSPCI IO",
-	.start	= GAPSPCI_BBA_CONFIG,
-	.end	= GAPSPCI_BBA_CONFIG + GAPSPCI_BBA_CONFIG_SIZE - 1,
-	.flags	= IORESOURCE_IO,
-};
-
-static struct resource gapspci_mem_resource = {
-	.name	= "GAPSPCI mem",
-	.start	= GAPSPCI_DMA_BASE,
-	.end	= GAPSPCI_DMA_BASE + GAPSPCI_DMA_SIZE - 1,
-	.flags	= IORESOURCE_MEM,
+static struct resource gapspci_resources[] = {
+	{
+		.name	= "GAPSPCI IO",
+		.start	= GAPSPCI_BBA_CONFIG,
+		.end	= GAPSPCI_BBA_CONFIG + GAPSPCI_BBA_CONFIG_SIZE - 1,
+		.flags	= IORESOURCE_IO,
+	},  {
+		.name	= "GAPSPCI mem",
+		.start	= GAPSPCI_DMA_BASE,
+		.end	= GAPSPCI_DMA_BASE + GAPSPCI_DMA_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
 };
 
 static struct pci_channel dreamcast_pci_controller = {
 	.pci_ops	= &gapspci_pci_ops,
-	.io_resource	= &gapspci_io_resource,
+	.resources	= gapspci_resources,
+	.nr_resources	= ARRAY_SIZE(gapspci_resources),
 	.io_offset	= 0x00000000,
-	.mem_resource	= &gapspci_mem_resource,
 	.mem_offset	= 0x00000000,
 };
 
@@ -95,8 +95,6 @@ static int __init gapspci_init(void)
 	outl(0x00002001, GAPSPCI_BBA_CONFIG+0x10);
 	outl(0x01000000, GAPSPCI_BBA_CONFIG+0x14);
 
-	register_pci_controller(&dreamcast_pci_controller);
-
-	return 0;
+	return register_pci_controller(&dreamcast_pci_controller);
 }
 arch_initcall(gapspci_init);
diff --git a/arch/sh/drivers/pci/pci-sh4.h b/arch/sh/drivers/pci/pci-sh4.h
index 3d5296cde622..cbf763b3015e 100644
--- a/arch/sh/drivers/pci/pci-sh4.h
+++ b/arch/sh/drivers/pci/pci-sh4.h
@@ -49,6 +49,17 @@
   #define SH4_PCIINT_MWPD	  0x00000002	/* Master Write PERR Detect */
   #define SH4_PCIINT_MRPD	  0x00000001	/* Master Read PERR Detect */
 #define SH4_PCIINTM		0x118		/* PCI Interrupt Mask */
+  #define SH4_PCIINTM_TTADIM	  BIT(14)	/* Target-target abort interrupt */
+  #define SH4_PCIINTM_TMTOIM	  BIT(9)	/* Target retry timeout */
+  #define SH4_PCIINTM_MDEIM	  BIT(8)	/* Master function disable error */
+  #define SH4_PCIINTM_APEDIM	  BIT(7)	/* Address parity error detection */
+  #define SH4_PCIINTM_SDIM	  BIT(6)	/* SERR detection */
+  #define SH4_PCIINTM_DPEITWM	  BIT(5)	/* Data parity error for target write */
+  #define SH4_PCIINTM_PEDITRM	  BIT(4)	/* PERR detection for target read */
+  #define SH4_PCIINTM_TADIMM	  BIT(3)	/* Target abort for master */
+  #define SH4_PCIINTM_MADIMM	  BIT(2)	/* Master abort for master */
+  #define SH4_PCIINTM_MWPDIM	  BIT(1)	/* Master write data parity error */
+  #define SH4_PCIINTM_MRDPEIM	  BIT(0)	/* Master read data parity error */
 #define SH4_PCIALR		0x11C		/* Error Address Register */
 #define SH4_PCICLR		0x120		/* Error Command/Data */
   #define SH4_PCICLR_MPIO	  0x80000000
@@ -61,7 +72,7 @@
 #define SH4_PCIAINT		0x130		/* Arbiter Interrupt Register */
   #define SH4_PCIAINT_MBKN	  0x00002000	/* Master Broken Interrupt */
   #define SH4_PCIAINT_TBTO	  0x00001000	/* Target Bus Time Out */
-  #define SH4_PCIAINT_MBTO	  0x00001000	/* Master Bus Time Out */
+  #define SH4_PCIAINT_MBTO	  0x00000800	/* Master Bus Time Out */
   #define SH4_PCIAINT_TABT	  0x00000008	/* Target Abort */
   #define SH4_PCIAINT_MABT	  0x00000004	/* Master Abort */
   #define SH4_PCIAINT_RDPE	  0x00000002	/* Read Data Parity Error */
@@ -151,7 +162,6 @@
 
 /* arch/sh/kernel/drivers/pci/ops-sh4.c */
 extern struct pci_ops sh4_pci_ops;
-int sh4_pci_check_direct(struct pci_channel *chan);
 int pci_fixup_pcic(struct pci_channel *chan);
 
 struct sh4_pci_address_space {
@@ -167,13 +177,13 @@ struct sh4_pci_address_map {
 static inline void pci_write_reg(struct pci_channel *chan,
 				 unsigned long val, unsigned long reg)
 {
-	ctrl_outl(val, chan->reg_base + reg);
+	__raw_writel(val, chan->reg_base + reg);
 }
 
 static inline unsigned long pci_read_reg(struct pci_channel *chan,
 					 unsigned long reg)
 {
-	return ctrl_inl(chan->reg_base + reg);
+	return __raw_readl(chan->reg_base + reg);
 }
 
 #endif /* __PCI_SH4_H */
diff --git a/arch/sh/drivers/pci/pci-sh5.c b/arch/sh/drivers/pci/pci-sh5.c
index 873ed2b44055..0bf296c78795 100644
--- a/arch/sh/drivers/pci/pci-sh5.c
+++ b/arch/sh/drivers/pci/pci-sh5.c
@@ -89,14 +89,13 @@ static irqreturn_t pcish5_serr_irq(int irq, void *dev_id)
 	return IRQ_NONE;
 }
 
-static struct resource sh5_io_resource = { /* place holder */ };
-static struct resource sh5_mem_resource = { /* place holder */ };
+static struct resource sh5_pci_resources[2];
 
 static struct pci_channel sh5pci_controller = {
 	.pci_ops		= &sh5_pci_ops,
-	.mem_resource		= &sh5_mem_resource,
+	.resources		= sh5_pci_resources,
+	.nr_resources		= ARRAY_SIZE(sh5_pci_resources),
 	.mem_offset		= 0x00000000,
-	.io_resource		= &sh5_io_resource,
 	.io_offset		= 0x00000000,
 };
 
@@ -210,14 +209,12 @@ static int __init sh5pci_init(void)
         SH5PCI_WRITE(AINTM, ~0);
         SH5PCI_WRITE(PINTM, ~0);
 
-	sh5_io_resource.start = PCI_IO_AREA;
-	sh5_io_resource.end = PCI_IO_AREA + 0x10000;
+	sh5_pci_resources[0].start = PCI_IO_AREA;
+	sh5_pci_resources[0].end = PCI_IO_AREA + 0x10000;
 
-	sh5_mem_resource.start = memStart;
-	sh5_mem_resource.end = memStart + memSize;
+	sh5_pci_resources[1].start = memStart;
+	sh5_pci_resources[1].end = memStart + memSize;
 
-	register_pci_controller(&sh5pci_controller);
-
-	return 0;
+	return register_pci_controller(&sh5pci_controller);
 }
 arch_initcall(sh5pci_init);
diff --git a/arch/sh/drivers/pci/pci-sh5.h b/arch/sh/drivers/pci/pci-sh5.h
index f277628221f3..3f01decb4307 100644
--- a/arch/sh/drivers/pci/pci-sh5.h
+++ b/arch/sh/drivers/pci/pci-sh5.h
@@ -86,14 +86,14 @@ extern unsigned long pcicr_virt;
 /* #define PCISH5_VCR_REG(x)                ( SH5PCI_VCR_BASE (PCISH5_VCR_##x)) */
 
 /* Write I/O functions */
-#define SH5PCI_WRITE(reg,val)        ctrl_outl((u32)(val),PCISH5_ICR_REG(reg))
-#define SH5PCI_WRITE_SHORT(reg,val)  ctrl_outw((u16)(val),PCISH5_ICR_REG(reg))
-#define SH5PCI_WRITE_BYTE(reg,val)   ctrl_outb((u8)(val),PCISH5_ICR_REG(reg))
+#define SH5PCI_WRITE(reg,val)        __raw_writel((u32)(val),PCISH5_ICR_REG(reg))
+#define SH5PCI_WRITE_SHORT(reg,val)  __raw_writew((u16)(val),PCISH5_ICR_REG(reg))
+#define SH5PCI_WRITE_BYTE(reg,val)   __raw_writeb((u8)(val),PCISH5_ICR_REG(reg))
 
 /* Read I/O functions */
-#define SH5PCI_READ(reg)             ctrl_inl(PCISH5_ICR_REG(reg))
-#define SH5PCI_READ_SHORT(reg)       ctrl_inw(PCISH5_ICR_REG(reg))
-#define SH5PCI_READ_BYTE(reg)        ctrl_inb(PCISH5_ICR_REG(reg))
+#define SH5PCI_READ(reg)             __raw_readl(PCISH5_ICR_REG(reg))
+#define SH5PCI_READ_SHORT(reg)       __raw_readw(PCISH5_ICR_REG(reg))
+#define SH5PCI_READ_BYTE(reg)        __raw_readb(PCISH5_ICR_REG(reg))
 
 /* Set PCI config bits */
 #define SET_CONFIG_BITS(bus,devfn,where)  ((((bus) << 16) | ((devfn) << 8) | ((where) & ~3)) | 0x80000000)
diff --git a/arch/sh/drivers/pci/pci-sh7751.c b/arch/sh/drivers/pci/pci-sh7751.c
index 70c1999a0ec4..17811e5d287b 100644
--- a/arch/sh/drivers/pci/pci-sh7751.c
+++ b/arch/sh/drivers/pci/pci-sh7751.c
@@ -44,25 +44,25 @@ static int __init __area_sdram_check(struct pci_channel *chan,
 	return 1;
 }
 
-static struct resource sh7751_io_resource = {
-	.name	= "SH7751_IO",
-	.start	= SH7751_PCI_IO_BASE,
-	.end	= SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1,
-	.flags	= IORESOURCE_IO
-};
-
-static struct resource sh7751_mem_resource = {
-	.name	= "SH7751_mem",
-	.start	= SH7751_PCI_MEMORY_BASE,
-	.end	= SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
-	.flags	= IORESOURCE_MEM
+static struct resource sh7751_pci_resources[] = {
+	{
+		.name	= "SH7751_IO",
+		.start	= SH7751_PCI_IO_BASE,
+		.end	= SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1,
+		.flags	= IORESOURCE_IO
+	}, {
+		.name	= "SH7751_mem",
+		.start	= SH7751_PCI_MEMORY_BASE,
+		.end	= SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
+		.flags	= IORESOURCE_MEM
+	},
 };
 
 static struct pci_channel sh7751_pci_controller = {
 	.pci_ops	= &sh4_pci_ops,
-	.mem_resource	= &sh7751_mem_resource,
+	.resources	= sh7751_pci_resources,
+	.nr_resources	= ARRAY_SIZE(sh7751_pci_resources),
 	.mem_offset	= 0x00000000,
-	.io_resource	= &sh7751_io_resource,
 	.io_offset	= 0x00000000,
 	.io_map_base	= SH7751_PCI_IO_BASE,
 };
@@ -79,7 +79,6 @@ static int __init sh7751_pci_init(void)
 	struct pci_channel *chan = &sh7751_pci_controller;
 	unsigned int id;
 	u32 word, reg;
-	int ret;
 
 	printk(KERN_NOTICE "PCI: Starting intialization.\n");
 
@@ -93,13 +92,10 @@ static int __init sh7751_pci_init(void)
 		return -ENODEV;
 	}
 
-	if ((ret = sh4_pci_check_direct(chan)) != 0)
-		return ret;
-
 	/* Set the BCR's to enable PCI access */
-	reg = ctrl_inl(SH7751_BCR1);
+	reg = __raw_readl(SH7751_BCR1);
 	reg |= 0x80000;
-	ctrl_outl(reg, SH7751_BCR1);
+	__raw_writel(reg, SH7751_BCR1);
 
 	/* Turn the clocks back on (not done in reset)*/
 	pci_write_reg(chan, 0, SH4_PCICLKR);
@@ -132,13 +128,13 @@ static int __init sh7751_pci_init(void)
 	/* Set the local 16MB PCI memory space window to
 	 * the lowest PCI mapped address
 	 */
-	word = chan->mem_resource->start & SH4_PCIMBR_MASK;
+	word = chan->resources[1].start & SH4_PCIMBR_MASK;
 	pr_debug("PCI: Setting upper bits of Memory window to 0x%x\n", word);
 	pci_write_reg(chan, word , SH4_PCIMBR);
 
 	/* Make sure the MSB's of IO window are set to access PCI space
 	 * correctly */
-	word = chan->io_resource->start & SH4_PCIIOBR_MASK;
+	word = chan->resources[0].start & SH4_PCIIOBR_MASK;
 	pr_debug("PCI: Setting upper bits of IO window to 0x%x\n", word);
 	pci_write_reg(chan, word, SH4_PCIIOBR);
 
@@ -159,13 +155,13 @@ static int __init sh7751_pci_init(void)
 		return -1;
 
 	/* configure the wait control registers */
-	word = ctrl_inl(SH7751_WCR1);
+	word = __raw_readl(SH7751_WCR1);
 	pci_write_reg(chan, word, SH4_PCIWCR1);
-	word = ctrl_inl(SH7751_WCR2);
+	word = __raw_readl(SH7751_WCR2);
 	pci_write_reg(chan, word, SH4_PCIWCR2);
-	word = ctrl_inl(SH7751_WCR3);
+	word = __raw_readl(SH7751_WCR3);
 	pci_write_reg(chan, word, SH4_PCIWCR3);
-	word = ctrl_inl(SH7751_MCR);
+	word = __raw_readl(SH7751_MCR);
 	pci_write_reg(chan, word, SH4_PCIMCR);
 
 	/* NOTE: I'm ignoring the PCI error IRQs for now..
@@ -180,8 +176,6 @@ static int __init sh7751_pci_init(void)
 	word = SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_ARBM;
 	pci_write_reg(chan, word, SH4_PCICR);
 
-	register_pci_controller(chan);
-
-	return 0;
+	return register_pci_controller(chan);
 }
 arch_initcall(sh7751_pci_init);
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index 323b92d565fe..ffdcbf10b95e 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -1,7 +1,7 @@
 /*
  * Low-Level PCI Support for the SH7780
  *
- *  Copyright (C) 2005 - 2009  Paul Mundt
+ *  Copyright (C) 2005 - 2010  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -11,52 +11,240 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/irq.h>
 #include <linux/errno.h>
 #include <linux/delay.h>
+#include <linux/log2.h>
 #include "pci-sh4.h"
+#include <asm/mmu.h>
+#include <asm/sizes.h>
 
-static struct resource sh7785_io_resource = {
-	.name	= "SH7785_IO",
-	.start	= SH7780_PCI_IO_BASE,
-	.end	= SH7780_PCI_IO_BASE + SH7780_PCI_IO_SIZE - 1,
-	.flags	= IORESOURCE_IO
-};
-
-static struct resource sh7785_mem_resource = {
-	.name	= "SH7785_mem",
-	.start	= SH7780_PCI_MEMORY_BASE,
-	.end	= SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
-	.flags	= IORESOURCE_MEM
+static struct resource sh7785_pci_resources[] = {
+	{
+		.name	= "PCI IO",
+		.start	= 0x1000,
+		.end	= SZ_4M - 1,
+		.flags	= IORESOURCE_IO,
+	}, {
+		.name	= "PCI MEM 0",
+		.start	= 0xfd000000,
+		.end	= 0xfd000000 + SZ_16M - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "PCI MEM 1",
+		.start	= 0x10000000,
+		.end	= 0x10000000 + SZ_64M - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		/*
+		 * 32-bit only resources must be last.
+		 */
+		.name	= "PCI MEM 2",
+		.start	= 0xc0000000,
+		.end	= 0xc0000000 + SZ_512M - 1,
+		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+	},
 };
 
 static struct pci_channel sh7780_pci_controller = {
 	.pci_ops	= &sh4_pci_ops,
-	.mem_resource	= &sh7785_mem_resource,
-	.mem_offset	= 0x00000000,
-	.io_resource	= &sh7785_io_resource,
-	.io_offset	= 0x00000000,
-	.io_map_base	= SH7780_PCI_IO_BASE,
+	.resources	= sh7785_pci_resources,
+	.nr_resources	= ARRAY_SIZE(sh7785_pci_resources),
+	.io_offset	= 0,
+	.mem_offset	= 0,
+	.io_map_base	= 0xfe200000,
+	.serr_irq	= evt2irq(0xa00),
+	.err_irq	= evt2irq(0xaa0),
 };
 
-static struct sh4_pci_address_map sh7780_pci_map = {
-	.window0	= {
-#if defined(CONFIG_32BIT)
-		.base	= SH7780_32BIT_DDR_BASE_ADDR,
-		.size	= 0x40000000,
-#else
-		.base	= SH7780_CS0_BASE_ADDR,
-		.size	= 0x20000000,
-#endif
-	},
+struct pci_errors {
+	unsigned int	mask;
+	const char	*str;
+} pci_arbiter_errors[] = {
+	{ SH4_PCIAINT_MBKN,	"master broken" },
+	{ SH4_PCIAINT_TBTO,	"target bus time out" },
+	{ SH4_PCIAINT_MBTO,	"master bus time out" },
+	{ SH4_PCIAINT_TABT,	"target abort" },
+	{ SH4_PCIAINT_MABT,	"master abort" },
+	{ SH4_PCIAINT_RDPE,	"read data parity error" },
+	{ SH4_PCIAINT_WDPE,	"write data parity error" },
+}, pci_interrupt_errors[] = {
+	{ SH4_PCIINT_MLCK,	"master lock error" },
+	{ SH4_PCIINT_TABT,	"target-target abort" },
+	{ SH4_PCIINT_TRET,	"target retry time out" },
+	{ SH4_PCIINT_MFDE,	"master function disable erorr" },
+	{ SH4_PCIINT_PRTY,	"address parity error" },
+	{ SH4_PCIINT_SERR,	"SERR" },
+	{ SH4_PCIINT_TWDP,	"data parity error for target write" },
+	{ SH4_PCIINT_TRDP,	"PERR detected for target read" },
+	{ SH4_PCIINT_MTABT,	"target abort for master" },
+	{ SH4_PCIINT_MMABT,	"master abort for master" },
+	{ SH4_PCIINT_MWPD,	"master write data parity error" },
+	{ SH4_PCIINT_MRPD,	"master read data parity error" },
 };
 
+static irqreturn_t sh7780_pci_err_irq(int irq, void *dev_id)
+{
+	struct pci_channel *hose = dev_id;
+	unsigned long addr;
+	unsigned int status;
+	unsigned int cmd;
+	int i;
+
+	addr = __raw_readl(hose->reg_base + SH4_PCIALR);
+
+	/*
+	 * Handle status errors.
+	 */
+	status = __raw_readw(hose->reg_base + PCI_STATUS);
+	if (status & (PCI_STATUS_PARITY |
+		      PCI_STATUS_DETECTED_PARITY |
+		      PCI_STATUS_SIG_TARGET_ABORT |
+		      PCI_STATUS_REC_TARGET_ABORT |
+		      PCI_STATUS_REC_MASTER_ABORT)) {
+		cmd = pcibios_handle_status_errors(addr, status, hose);
+		if (likely(cmd))
+			__raw_writew(cmd, hose->reg_base + PCI_STATUS);
+	}
+
+	/*
+	 * Handle arbiter errors.
+	 */
+	status = __raw_readl(hose->reg_base + SH4_PCIAINT);
+	for (i = cmd = 0; i < ARRAY_SIZE(pci_arbiter_errors); i++) {
+		if (status & pci_arbiter_errors[i].mask) {
+			printk(KERN_DEBUG "PCI: %s, addr=%08lx\n",
+			       pci_arbiter_errors[i].str, addr);
+			cmd |= pci_arbiter_errors[i].mask;
+		}
+	}
+	__raw_writel(cmd, hose->reg_base + SH4_PCIAINT);
+
+	/*
+	 * Handle the remaining PCI errors.
+	 */
+	status = __raw_readl(hose->reg_base + SH4_PCIINT);
+	for (i = cmd = 0; i < ARRAY_SIZE(pci_interrupt_errors); i++) {
+		if (status & pci_interrupt_errors[i].mask) {
+			printk(KERN_DEBUG "PCI: %s, addr=%08lx\n",
+			       pci_interrupt_errors[i].str, addr);
+			cmd |= pci_interrupt_errors[i].mask;
+		}
+	}
+	__raw_writel(cmd, hose->reg_base + SH4_PCIINT);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t sh7780_pci_serr_irq(int irq, void *dev_id)
+{
+	struct pci_channel *hose = dev_id;
+
+	printk(KERN_DEBUG "PCI: system error received: ");
+	pcibios_report_status(PCI_STATUS_SIG_SYSTEM_ERROR, 1);
+	printk("\n");
+
+	/* Deassert SERR */
+	__raw_writel(SH4_PCIINTM_SDIM, hose->reg_base + SH4_PCIINTM);
+
+	/* Back off the IRQ for awhile */
+	disable_irq_nosync(irq);
+	hose->serr_timer.expires = jiffies + HZ;
+	add_timer(&hose->serr_timer);
+
+	return IRQ_HANDLED;
+}
+
+static int __init sh7780_pci_setup_irqs(struct pci_channel *hose)
+{
+	int ret;
+
+	/* Clear out PCI arbiter IRQs */
+	__raw_writel(0, hose->reg_base + SH4_PCIAINT);
+
+	/* Clear all error conditions */
+	__raw_writew(PCI_STATUS_DETECTED_PARITY  | \
+		     PCI_STATUS_SIG_SYSTEM_ERROR | \
+		     PCI_STATUS_REC_MASTER_ABORT | \
+		     PCI_STATUS_REC_TARGET_ABORT | \
+		     PCI_STATUS_SIG_TARGET_ABORT | \
+		     PCI_STATUS_PARITY, hose->reg_base + PCI_STATUS);
+
+	ret = request_irq(hose->serr_irq, sh7780_pci_serr_irq, IRQF_DISABLED,
+			  "PCI SERR interrupt", hose);
+	if (unlikely(ret)) {
+		printk(KERN_ERR "PCI: Failed hooking SERR IRQ\n");
+		return ret;
+	}
+
+	/*
+	 * The PCI ERR IRQ needs to be IRQF_SHARED since all of the power
+	 * down IRQ vectors are routed through the ERR IRQ vector. We
+	 * only request_irq() once as there is only a single masking
+	 * source for multiple events.
+	 */
+	ret = request_irq(hose->err_irq, sh7780_pci_err_irq, IRQF_SHARED,
+			  "PCI ERR interrupt", hose);
+	if (unlikely(ret)) {
+		free_irq(hose->serr_irq, hose);
+		return ret;
+	}
+
+	/* Unmask all of the arbiter IRQs. */
+	__raw_writel(SH4_PCIAINT_MBKN | SH4_PCIAINT_TBTO | SH4_PCIAINT_MBTO | \
+		     SH4_PCIAINT_TABT | SH4_PCIAINT_MABT | SH4_PCIAINT_RDPE | \
+		     SH4_PCIAINT_WDPE, hose->reg_base + SH4_PCIAINTM);
+
+	/* Unmask all of the PCI IRQs */
+	__raw_writel(SH4_PCIINTM_TTADIM  | SH4_PCIINTM_TMTOIM  | \
+		     SH4_PCIINTM_MDEIM   | SH4_PCIINTM_APEDIM  | \
+		     SH4_PCIINTM_SDIM    | SH4_PCIINTM_DPEITWM | \
+		     SH4_PCIINTM_PEDITRM | SH4_PCIINTM_TADIMM  | \
+		     SH4_PCIINTM_MADIMM  | SH4_PCIINTM_MWPDIM  | \
+		     SH4_PCIINTM_MRDPEIM, hose->reg_base + SH4_PCIINTM);
+
+	return ret;
+}
+
+static inline void __init sh7780_pci_teardown_irqs(struct pci_channel *hose)
+{
+	free_irq(hose->err_irq, hose);
+	free_irq(hose->serr_irq, hose);
+}
+
+static void __init sh7780_pci66_init(struct pci_channel *hose)
+{
+	unsigned int tmp;
+
+	if (!pci_is_66mhz_capable(hose, 0, 0))
+		return;
+
+	/* Enable register access */
+	tmp = __raw_readl(hose->reg_base + SH4_PCICR);
+	tmp |= SH4_PCICR_PREFIX;
+	__raw_writel(tmp, hose->reg_base + SH4_PCICR);
+
+	/* Enable 66MHz operation */
+	tmp = __raw_readw(hose->reg_base + PCI_STATUS);
+	tmp |= PCI_STATUS_66MHZ;
+	__raw_writew(tmp, hose->reg_base + PCI_STATUS);
+
+	/* Done */
+	tmp = __raw_readl(hose->reg_base + SH4_PCICR);
+	tmp |= SH4_PCICR_PREFIX | SH4_PCICR_CFIN;
+	__raw_writel(tmp, hose->reg_base + SH4_PCICR);
+}
+
 static int __init sh7780_pci_init(void)
 {
 	struct pci_channel *chan = &sh7780_pci_controller;
+	phys_addr_t memphys;
+	size_t memsize;
 	unsigned int id;
-	const char *type = NULL;
-	int ret;
-	u32 word;
+	const char *type;
+	int ret, i;
 
 	printk(KERN_NOTICE "PCI: Starting intialization.\n");
 
@@ -65,17 +253,28 @@ static int __init sh7780_pci_init(void)
 	/* Enable CPU access to the PCIC registers. */
 	__raw_writel(PCIECR_ENBL, PCIECR);
 
-	id = __raw_readw(chan->reg_base + SH7780_PCIVID);
-	if (id != SH7780_VENDOR_ID) {
+	/* Reset */
+	__raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_PRST,
+		     chan->reg_base + SH4_PCICR);
+
+	/*
+	 * Wait for it to come back up. The spec says to allow for up to
+	 * 1 second after toggling the reset pin, but in practice 100ms
+	 * is more than enough.
+	 */
+	mdelay(100);
+
+	id = __raw_readw(chan->reg_base + PCI_VENDOR_ID);
+	if (id != PCI_VENDOR_ID_RENESAS) {
 		printk(KERN_ERR "PCI: Unknown vendor ID 0x%04x.\n", id);
 		return -ENODEV;
 	}
 
-	id = __raw_readw(chan->reg_base + SH7780_PCIDID);
-	type = (id == SH7763_DEVICE_ID)	? "SH7763" :
-	       (id == SH7780_DEVICE_ID) ? "SH7780" :
-	       (id == SH7781_DEVICE_ID) ? "SH7781" :
-	       (id == SH7785_DEVICE_ID) ? "SH7785" :
+	id = __raw_readw(chan->reg_base + PCI_DEVICE_ID);
+	type = (id == PCI_DEVICE_ID_RENESAS_SH7763) ? "SH7763" :
+	       (id == PCI_DEVICE_ID_RENESAS_SH7780) ? "SH7780" :
+	       (id == PCI_DEVICE_ID_RENESAS_SH7781) ? "SH7781" :
+	       (id == PCI_DEVICE_ID_RENESAS_SH7785) ? "SH7785" :
 					  NULL;
 	if (unlikely(!type)) {
 		printk(KERN_ERR "PCI: Found an unsupported Renesas host "
@@ -85,62 +284,119 @@ static int __init sh7780_pci_init(void)
 
 	printk(KERN_NOTICE "PCI: Found a Renesas %s host "
 	       "controller, revision %d.\n", type,
-	       __raw_readb(chan->reg_base + SH7780_PCIRID));
+	       __raw_readb(chan->reg_base + PCI_REVISION_ID));
 
-	if ((ret = sh4_pci_check_direct(chan)) != 0)
+	/*
+	 * Now throw it in to register initialization mode and
+	 * start the real work.
+	 */
+	__raw_writel(SH4_PCICR_PREFIX, chan->reg_base + SH4_PCICR);
+
+	memphys = __pa(memory_start);
+	memsize = roundup_pow_of_two(memory_end - memory_start);
+
+	/*
+	 * If there's more than 512MB of memory, we need to roll over to
+	 * LAR1/LSR1.
+	 */
+	if (memsize > SZ_512M) {
+		__raw_writel(memphys + SZ_512M, chan->reg_base + SH4_PCILAR1);
+		__raw_writel((((memsize - SZ_512M) - SZ_1M) & 0x1ff00000) | 1,
+			     chan->reg_base + SH4_PCILSR1);
+		memsize = SZ_512M;
+	} else {
+		/*
+		 * Otherwise just zero it out and disable it.
+		 */
+		__raw_writel(0, chan->reg_base + SH4_PCILAR1);
+		__raw_writel(0, chan->reg_base + SH4_PCILSR1);
+	}
+
+	/*
+	 * LAR0/LSR0 covers up to the first 512MB, which is enough to
+	 * cover all of lowmem on most platforms.
+	 */
+	__raw_writel(memphys, chan->reg_base + SH4_PCILAR0);
+	__raw_writel(((memsize - SZ_1M) & 0x1ff00000) | 1,
+		     chan->reg_base + SH4_PCILSR0);
+
+	/*
+	 * Hook up the ERR and SERR IRQs.
+	 */
+	ret = sh7780_pci_setup_irqs(chan);
+	if (unlikely(ret))
 		return ret;
 
 	/*
-	 * Set the class and sub-class codes.
+	 * Disable the cache snoop controller for non-coherent DMA.
 	 */
-	__raw_writeb(PCI_CLASS_BRIDGE_HOST >> 8,
-		     chan->reg_base + SH7780_PCIBCC);
-	__raw_writeb(PCI_CLASS_BRIDGE_HOST & 0xff,
-		     chan->reg_base + SH7780_PCISUB);
+	__raw_writel(0, chan->reg_base + SH7780_PCICSCR0);
+	__raw_writel(0, chan->reg_base + SH7780_PCICSAR0);
+	__raw_writel(0, chan->reg_base + SH7780_PCICSCR1);
+	__raw_writel(0, chan->reg_base + SH7780_PCICSAR1);
 
 	/*
-	 * Set IO and Mem windows to local address
-	 * Make PCI and local address the same for easy 1 to 1 mapping
+	 * Setup the memory BARs
 	 */
-	pci_write_reg(chan, sh7780_pci_map.window0.size - 0xfffff, SH4_PCILSR0);
-	/* Set the values on window 0 PCI config registers */
-	pci_write_reg(chan, sh7780_pci_map.window0.base, SH4_PCILAR0);
-	pci_write_reg(chan, sh7780_pci_map.window0.base, SH7780_PCIMBAR0);
+	for (i = 1; i < chan->nr_resources; i++) {
+		struct resource *res = chan->resources + i;
+		resource_size_t size;
 
-	pci_write_reg(chan, 0x0000380f, SH4_PCIAINTM);
+		if (unlikely(res->flags & IORESOURCE_IO))
+			continue;
 
-	/* Set up standard PCI config registers */
-	__raw_writew(0xFB00, chan->reg_base + SH7780_PCISTATUS);
-	__raw_writew(0x0047, chan->reg_base + SH7780_PCICMD);
-	__raw_writew(0x1912, chan->reg_base + SH7780_PCISVID);
-	__raw_writew(0x0001, chan->reg_base + SH7780_PCISID);
+		/*
+		 * Make sure we're in the right physical addressing mode
+		 * for dealing with the resource.
+		 */
+		if ((res->flags & IORESOURCE_MEM_32BIT) && __in_29bit_mode()) {
+			chan->nr_resources--;
+			continue;
+		}
 
-	__raw_writeb(0x00, chan->reg_base + SH7780_PCIPIF);
+		size = resource_size(res);
+
+		/*
+		 * The MBMR mask is calculated in units of 256kB, which
+		 * keeps things pretty simple.
+		 */
+		__raw_writel(((roundup_pow_of_two(size) / SZ_256K) - 1) << 18,
+			     chan->reg_base + SH7780_PCIMBMR(i - 1));
+		__raw_writel(res->start, chan->reg_base + SH7780_PCIMBR(i - 1));
+	}
 
-	/* Apply any last-minute PCIC fixups */
-	pci_fixup_pcic(chan);
+	/*
+	 * And I/O.
+	 */
+	__raw_writel(0, chan->reg_base + PCI_BASE_ADDRESS_0);
+	__raw_writel(0, chan->reg_base + SH7780_PCIIOBR);
+	__raw_writel(0, chan->reg_base + SH7780_PCIIOBMR);
 
-	pci_write_reg(chan, 0xfd000000, SH7780_PCIMBR0);
-	pci_write_reg(chan, 0x00fc0000, SH7780_PCIMBMR0);
+	__raw_writew(PCI_COMMAND_SERR   | PCI_COMMAND_WAIT   | \
+		     PCI_COMMAND_PARITY | PCI_COMMAND_MASTER | \
+		     PCI_COMMAND_MEMORY, chan->reg_base + PCI_COMMAND);
 
-#ifdef CONFIG_32BIT
-	pci_write_reg(chan, 0xc0000000, SH7780_PCIMBR2);
-	pci_write_reg(chan, 0x20000000 - SH7780_PCI_IO_SIZE, SH7780_PCIMBMR2);
-#endif
+	/*
+	 * Initialization mode complete, release the control register and
+	 * enable round robin mode to stop device overruns/starvation.
+	 */
+	__raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO,
+		     chan->reg_base + SH4_PCICR);
 
-	/* Set IOBR for windows containing area specified in pci.h */
-	pci_write_reg(chan, chan->io_resource->start & ~(SH7780_PCI_IO_SIZE-1),
-		      SH7780_PCIIOBR);
-	pci_write_reg(chan, ((SH7780_PCI_IO_SIZE-1) & (7<<18)),
-		      SH7780_PCIIOBMR);
+	ret = register_pci_controller(chan);
+	if (unlikely(ret))
+		goto err;
 
-	/* SH7780 init done, set central function init complete */
-	/* use round robin mode to stop a device starving/overruning */
-	word = SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO;
-	pci_write_reg(chan, word, SH4_PCICR);
+	sh7780_pci66_init(chan);
 
-	register_pci_controller(chan);
+	printk(KERN_NOTICE "PCI: Running at %dMHz.\n",
+	       (__raw_readw(chan->reg_base + PCI_STATUS) & PCI_STATUS_66MHZ) ?
+	       66 : 33);
 
 	return 0;
+
+err:
+	sh7780_pci_teardown_irqs(chan);
+	return ret;
 }
 arch_initcall(sh7780_pci_init);
diff --git a/arch/sh/drivers/pci/pci-sh7780.h b/arch/sh/drivers/pci/pci-sh7780.h
index 4a52478c97cf..205dcbefe275 100644
--- a/arch/sh/drivers/pci/pci-sh7780.h
+++ b/arch/sh/drivers/pci/pci-sh7780.h
@@ -12,12 +12,11 @@
 #ifndef _PCI_SH7780_H_
 #define _PCI_SH7780_H_
 
-/* Platform Specific Values */
-#define SH7780_VENDOR_ID	0x1912
-#define SH7781_DEVICE_ID	0x0001
-#define SH7780_DEVICE_ID	0x0002
-#define SH7763_DEVICE_ID	0x0004
-#define SH7785_DEVICE_ID	0x0007
+#define PCI_VENDOR_ID_RENESAS		0x1912
+#define PCI_DEVICE_ID_RENESAS_SH7781	0x0001
+#define PCI_DEVICE_ID_RENESAS_SH7780	0x0002
+#define PCI_DEVICE_ID_RENESAS_SH7763	0x0004
+#define PCI_DEVICE_ID_RENESAS_SH7785	0x0007
 
 /* SH7780 Control Registers */
 #define	PCIECR			0xFE000008
@@ -27,44 +26,9 @@
 #define SH7780_PCI_CONFIG_BASE	0xFD000000	/* Config space base addr */
 #define SH7780_PCI_CONFIG_SIZE	0x01000000	/* Config space size */
 
-#define SH7780_PCI_MEMORY_BASE	0xFD000000	/* Memory space base addr */
-#define SH7780_PCI_MEM_SIZE	0x01000000	/* Size of Memory window */
-
-#define SH7780_PCI_IO_BASE	0xFE200000	/* IO space base address */
-#define SH7780_PCI_IO_SIZE	0x00400000	/* Size of IO window */
-
 #define SH7780_PCIREG_BASE	0xFE040000	/* PCI regs base address */
 
 /* SH7780 PCI Config Registers */
-#define SH7780_PCIVID		0x000		/* Vendor ID */
-#define SH7780_PCIDID		0x002		/* Device ID */
-#define SH7780_PCICMD		0x004		/* Command */
-#define SH7780_PCISTATUS	0x006		/* Status */
-#define SH7780_PCIRID		0x008		/* Revision ID */
-#define SH7780_PCIPIF		0x009		/* Program Interface */
-#define SH7780_PCISUB		0x00a		/* Sub class code */
-#define SH7780_PCIBCC		0x00b		/* Base class code */
-#define SH7780_PCICLS		0x00c		/* Cache line size */
-#define SH7780_PCILTM		0x00d		/* latency timer */
-#define SH7780_PCIHDR		0x00e		/* Header type */
-#define SH7780_PCIBIST		0x00f		/* BIST */
-#define SH7780_PCIIBAR		0x010		/* IO Base address */
-#define SH7780_PCIMBAR0		0x014		/* Memory base address0 */
-#define SH7780_PCIMBAR1		0x018		/* Memory base address1 */
-#define SH7780_PCISVID		0x02c		/* Sub system vendor ID */
-#define SH7780_PCISID		0x02e		/* Sub system ID */
-#define SH7780_PCICP		0x034
-#define SH7780_PCIINTLINE	0x03c		/* Interrupt line */
-#define SH7780_PCIINTPIN	0x03d		/* Interrupt pin */
-#define SH7780_PCIMINGNT	0x03e		/* Minumum grand */
-#define SH7780_PCIMAXLAT	0x03f		/* Maxmum latency */
-#define SH7780_PCICID		0x040
-#define SH7780_PCINIP		0x041
-#define SH7780_PCIPMC		0x042
-#define SH7780_PCIPMCSR		0x044
-#define SH7780_PCIPMCSR_BSE	0x046
-#define SH7780_PCICDD		0x047
-
 #define SH7780_PCIIR		0x114		/* PCI Interrupt Register */
 #define SH7780_PCIIMR		0x118		/* PCI Interrupt Mask Register */
 #define SH7780_PCIAIR		0x11C		/* Error Address Register */
@@ -76,10 +40,8 @@
 #define SH7780_PCIPINT		0x1CC		/* Power Mgmnt Int. Register */
 #define SH7780_PCIPINTM		0x1D0		/* Power Mgmnt Mask Register */
 
-#define SH7780_PCIMBR0		0x1E0
-#define SH7780_PCIMBMR0		0x1E4
-#define SH7780_PCIMBR2		0x1F0
-#define SH7780_PCIMBMR2		0x1F4
+#define SH7780_PCIMBR(x)	(0x1E0 + ((x) * 8))
+#define SH7780_PCIMBMR(x)	(0x1E4 + ((x) * 8))
 #define SH7780_PCIIOBR		0x1F8
 #define SH7780_PCIIOBMR		0x1FC
 #define SH7780_PCICSCR0		0x210		/* Cache Snoop1 Cnt. Register */
@@ -87,16 +49,4 @@
 #define SH7780_PCICSAR0		0x218	/* Cache Snoop1 Addr. Register */
 #define SH7780_PCICSAR1		0x21C	/* Cache Snoop2 Addr. Register */
 
-/* General Memory Config Addresses */
-#define SH7780_CS0_BASE_ADDR	0x0
-#define SH7780_MEM_REGION_SIZE	0x04000000
-#define SH7780_CS1_BASE_ADDR	(SH7780_CS0_BASE_ADDR + SH7780_MEM_REGION_SIZE)
-#define SH7780_CS2_BASE_ADDR	(SH7780_CS1_BASE_ADDR + SH7780_MEM_REGION_SIZE)
-#define SH7780_CS3_BASE_ADDR	(SH7780_CS2_BASE_ADDR + SH7780_MEM_REGION_SIZE)
-#define SH7780_CS4_BASE_ADDR	(SH7780_CS3_BASE_ADDR + SH7780_MEM_REGION_SIZE)
-#define SH7780_CS5_BASE_ADDR	(SH7780_CS4_BASE_ADDR + SH7780_MEM_REGION_SIZE)
-#define SH7780_CS6_BASE_ADDR	(SH7780_CS5_BASE_ADDR + SH7780_MEM_REGION_SIZE)
-
-#define SH7780_32BIT_DDR_BASE_ADDR	0x40000000
-
 #endif /* _PCI_SH7780_H_ */
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index c481df639022..953af139e230 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -33,15 +33,22 @@ static int pci_initialized;
 static void __devinit pcibios_scanbus(struct pci_channel *hose)
 {
 	static int next_busno;
+	static int need_domain_info;
 	struct pci_bus *bus;
 
 	bus = pci_scan_bus(next_busno, hose->pci_ops, hose);
+	hose->bus = bus;
+
+	need_domain_info = need_domain_info || hose->index;
+	hose->need_domain_info = need_domain_info;
 	if (bus) {
 		next_busno = bus->subordinate + 1;
 		/* Don't allow 8-bit bus number overflow inside the hose -
 		   reserve some space for bridges. */
-		if (next_busno > 224)
+		if (next_busno > 224) {
 			next_busno = 0;
+			need_domain_info = 1;
+		}
 
 		pci_bus_size_bridges(bus);
 		pci_bus_assign_resources(bus);
@@ -51,10 +58,21 @@ static void __devinit pcibios_scanbus(struct pci_channel *hose)
 
 static DEFINE_MUTEX(pci_scan_mutex);
 
-void __devinit register_pci_controller(struct pci_channel *hose)
+int __devinit register_pci_controller(struct pci_channel *hose)
 {
-	request_resource(&iomem_resource, hose->mem_resource);
-	request_resource(&ioport_resource, hose->io_resource);
+	int i;
+
+	for (i = 0; i < hose->nr_resources; i++) {
+		struct resource *res = hose->resources + i;
+
+		if (res->flags & IORESOURCE_IO) {
+			if (request_resource(&ioport_resource, res) < 0)
+				goto out;
+		} else {
+			if (request_resource(&iomem_resource, res) < 0)
+				goto out;
+		}
+	}
 
 	*hose_tail = hose;
 	hose_tail = &hose->next;
@@ -68,6 +86,11 @@ void __devinit register_pci_controller(struct pci_channel *hose)
 	}
 
 	/*
+	 * Setup the ERR/PERR and SERR timers, if available.
+	 */
+	pcibios_enable_timers(hose);
+
+	/*
 	 * Scan the bus if it is register after the PCI subsystem
 	 * initialization.
 	 */
@@ -76,6 +99,15 @@ void __devinit register_pci_controller(struct pci_channel *hose)
 		pcibios_scanbus(hose);
 		mutex_unlock(&pci_scan_mutex);
 	}
+
+	return 0;
+
+out:
+	for (--i; i >= 0; i--)
+		release_resource(&hose->resources[i]);
+
+	printk(KERN_WARNING "Skipping PCI bus scan due to resource conflict\n");
+	return -1;
 }
 
 static int __init pcibios_init(void)
@@ -127,11 +159,13 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 {
 	struct pci_dev *dev = bus->self;
 	struct list_head *ln;
-	struct pci_channel *chan = bus->sysdata;
+	struct pci_channel *hose = bus->sysdata;
 
 	if (!dev) {
-		bus->resource[0] = chan->io_resource;
-		bus->resource[1] = chan->mem_resource;
+		int i;
+
+		for (i = 0; i < hose->nr_resources; i++)
+			bus->resource[i] = hose->resources + i;
 	}
 
 	for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) {
@@ -148,34 +182,29 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
  * addresses to be allocated in the 0x000-0x0ff region
  * modulo 0x400.
  */
-void pcibios_align_resource(void *data, struct resource *res,
-			    resource_size_t size, resource_size_t align)
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
+				resource_size_t size, resource_size_t align)
 {
 	struct pci_dev *dev = data;
-	struct pci_channel *chan = dev->sysdata;
+	struct pci_channel *hose = dev->sysdata;
 	resource_size_t start = res->start;
 
 	if (res->flags & IORESOURCE_IO) {
-		if (start < PCIBIOS_MIN_IO + chan->io_resource->start)
-			start = PCIBIOS_MIN_IO + chan->io_resource->start;
+		if (start < PCIBIOS_MIN_IO + hose->resources[0].start)
+			start = PCIBIOS_MIN_IO + hose->resources[0].start;
 
 		/*
                  * Put everything into 0x00-0xff region modulo 0x400.
 		 */
-		if (start & 0x300) {
+		if (start & 0x300)
 			start = (start + 0x3ff) & ~0x3ff;
-			res->start = start;
-		}
-	} else if (res->flags & IORESOURCE_MEM) {
-		if (start < PCIBIOS_MIN_MEM + chan->mem_resource->start)
-			start = PCIBIOS_MIN_MEM + chan->mem_resource->start;
 	}
 
-	res->start = start;
+	return start;
 }
 
 void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
-			 struct resource *res)
+			     struct resource *res)
 {
 	struct pci_channel *hose = dev->sysdata;
 	unsigned long offset = 0;
@@ -189,9 +218,8 @@ void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
 	region->end = res->end - offset;
 }
 
-void __devinit
-pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
-			struct pci_bus_region *region)
+void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+			     struct pci_bus_region *region)
 {
 	struct pci_channel *hose = dev->sysdata;
 	unsigned long offset = 0;
@@ -274,6 +302,86 @@ char * __devinit pcibios_setup(char *str)
 	return str;
 }
 
+static void __init
+pcibios_bus_report_status_early(struct pci_channel *hose,
+				int top_bus, int current_bus,
+				unsigned int status_mask, int warn)
+{
+	unsigned int pci_devfn;
+	u16 status;
+	int ret;
+
+	for (pci_devfn = 0; pci_devfn < 0xff; pci_devfn++) {
+		if (PCI_FUNC(pci_devfn))
+			continue;
+		ret = early_read_config_word(hose, top_bus, current_bus,
+					     pci_devfn, PCI_STATUS, &status);
+		if (ret != PCIBIOS_SUCCESSFUL)
+			continue;
+		if (status == 0xffff)
+			continue;
+
+		early_write_config_word(hose, top_bus, current_bus,
+					pci_devfn, PCI_STATUS,
+					status & status_mask);
+		if (warn)
+			printk("(%02x:%02x: %04X) ", current_bus,
+			       pci_devfn, status);
+	}
+}
+
+/*
+ * We can't use pci_find_device() here since we are
+ * called from interrupt context.
+ */
+static void __init_refok
+pcibios_bus_report_status(struct pci_bus *bus, unsigned int status_mask,
+			  int warn)
+{
+	struct pci_dev *dev;
+
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		u16 status;
+
+		/*
+		 * ignore host bridge - we handle
+		 * that separately
+		 */
+		if (dev->bus->number == 0 && dev->devfn == 0)
+			continue;
+
+		pci_read_config_word(dev, PCI_STATUS, &status);
+		if (status == 0xffff)
+			continue;
+
+		if ((status & status_mask) == 0)
+			continue;
+
+		/* clear the status errors */
+		pci_write_config_word(dev, PCI_STATUS, status & status_mask);
+
+		if (warn)
+			printk("(%s: %04X) ", pci_name(dev), status);
+	}
+
+	list_for_each_entry(dev, &bus->devices, bus_list)
+		if (dev->subordinate)
+			pcibios_bus_report_status(dev->subordinate, status_mask, warn);
+}
+
+void __init_refok pcibios_report_status(unsigned int status_mask, int warn)
+{
+	struct pci_channel *hose;
+
+	for (hose = hose_head; hose; hose = hose->next) {
+		if (unlikely(!hose->bus))
+			pcibios_bus_report_status_early(hose, hose_head->index,
+					hose->index, status_mask, warn);
+		else
+			pcibios_bus_report_status(hose->bus, status_mask, warn);
+	}
+}
+
 int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 			enum pci_mmap_state mmap_state, int write_combine)
 {
@@ -302,9 +410,15 @@ static void __iomem *ioport_map_pci(struct pci_dev *dev,
 {
 	struct pci_channel *chan = dev->sysdata;
 
-	if (!chan->io_map_base)
+	if (unlikely(!chan->io_map_base)) {
 		chan->io_map_base = generic_io_base;
 
+		if (pci_domains_supported)
+			panic("To avoid data corruption io_map_base MUST be "
+			      "set with multiple PCI domains.");
+	}
+
+
 	return (void __iomem *)(chan->io_map_base + port);
 }
 
@@ -321,20 +435,9 @@ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 
 	if (flags & IORESOURCE_IO)
 		return ioport_map_pci(dev, start, len);
-
-	/*
-	 * Presently the IORESOURCE_MEM case is a bit special, most
-	 * SH7751 style PCI controllers have PCI memory at a fixed
-	 * location in the address space where no remapping is desired.
-	 * With the IORESOURCE_MEM case more care has to be taken
-	 * to inhibit page table mapping for legacy cores, but this is
-	 * punted off to __ioremap().
-	 *					-- PFM.
-	 */
 	if (flags & IORESOURCE_MEM) {
 		if (flags & IORESOURCE_CACHEABLE)
 			return ioremap(start, len);
-
 		return ioremap_nocache(start, len);
 	}
 
diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index ac37ee879bab..ae91a2dd9183 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -1,7 +1,7 @@
 /*
  * Low-Level PCI Express Support for the SH7786
  *
- *  Copyright (C) 2009  Paul Mundt
+ *  Copyright (C) 2009 - 2010  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -30,60 +30,84 @@ static struct sh7786_pcie_hwops {
 	int (*port_init_hw)(struct sh7786_pcie_port *port);
 } *sh7786_pcie_hwops;
 
-static struct resource sh7786_pci_32bit_mem_resources[] = {
+static struct resource sh7786_pci0_resources[] = {
 	{
-		.name	= "pci0_mem",
-		.start	= SH4A_PCIMEM_BASEA,
-		.end	= SH4A_PCIMEM_BASEA + SZ_64M - 1,
-		.flags	= IORESOURCE_MEM,
+		.name	= "PCIe0 IO",
+		.start	= 0xfd000000,
+		.end	= 0xfd000000 + SZ_8M - 1,
+		.flags	= IORESOURCE_IO,
 	}, {
-		.name	= "pci1_mem",
-		.start	= SH4A_PCIMEM_BASEA1,
-		.end	= SH4A_PCIMEM_BASEA1 + SZ_64M - 1,
-		.flags	= IORESOURCE_MEM,
+		.name	= "PCIe0 MEM 0",
+		.start	= 0xc0000000,
+		.end	= 0xc0000000 + SZ_512M - 1,
+		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 	}, {
-		.name	= "pci2_mem",
-		.start	= SH4A_PCIMEM_BASEA2,
-		.end	= SH4A_PCIMEM_BASEA2 + SZ_64M - 1,
+		.name	= "PCIe0 MEM 1",
+		.start	= 0x10000000,
+		.end	= 0x10000000 + SZ_64M - 1,
 		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "PCIe0 MEM 2",
+		.start	= 0xfe100000,
+		.end	= 0xfe100000 + SZ_1M - 1,
 	},
 };
 
-static struct resource sh7786_pci_29bit_mem_resource = {
-	.start	= SH4A_PCIMEM_BASE,
-	.end	= SH4A_PCIMEM_BASE + SZ_64M - 1,
-	.flags	= IORESOURCE_MEM,
+static struct resource sh7786_pci1_resources[] = {
+	{
+		.name	= "PCIe1 IO",
+		.start	= 0xfd800000,
+		.end	= 0xfd800000 + SZ_8M - 1,
+		.flags	= IORESOURCE_IO,
+	}, {
+		.name	= "PCIe1 MEM 0",
+		.start	= 0xa0000000,
+		.end	= 0xa0000000 + SZ_512M - 1,
+		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+	}, {
+		.name	= "PCIe1 MEM 1",
+		.start	= 0x30000000,
+		.end	= 0x30000000 + SZ_256M - 1,
+		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+	}, {
+		.name	= "PCIe1 MEM 2",
+		.start	= 0xfe300000,
+		.end	= 0xfe300000 + SZ_1M - 1,
+	},
 };
 
-static struct resource sh7786_pci_io_resources[] = {
+static struct resource sh7786_pci2_resources[] = {
 	{
-		.name	= "pci0_io",
-		.start	= SH4A_PCIIO_BASE,
-		.end	= SH4A_PCIIO_BASE + SZ_8M - 1,
-		.flags	= IORESOURCE_IO,
+		.name	= "PCIe2 IO",
+		.start	= 0xfc800000,
+		.end	= 0xfc800000 + SZ_4M - 1,
 	}, {
-		.name	= "pci1_io",
-		.start	= SH4A_PCIIO_BASE1,
-		.end	= SH4A_PCIIO_BASE1 + SZ_8M - 1,
-		.flags	= IORESOURCE_IO,
+		.name	= "PCIe2 MEM 0",
+		.start	= 0x80000000,
+		.end	= 0x80000000 + SZ_512M - 1,
+		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 	}, {
-		.name	= "pci2_io",
-		.start	= SH4A_PCIIO_BASE2,
-		.end	= SH4A_PCIIO_BASE2 + SZ_4M - 1,
-		.flags	= IORESOURCE_IO,
+		.name	= "PCIe2 MEM 1",
+		.start	= 0x20000000,
+		.end	= 0x20000000 + SZ_256M - 1,
+		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+	}, {
+		.name	= "PCIe2 MEM 2",
+		.start	= 0xfcd00000,
+		.end	= 0xfcd00000 + SZ_1M - 1,
 	},
 };
 
 extern struct pci_ops sh7786_pci_ops;
 
-#define DEFINE_CONTROLLER(start, idx)				\
-{								\
-	.pci_ops	= &sh7786_pci_ops,			\
-	.reg_base	= start,				\
-	/* mem_resource filled in at probe time */		\
-	.mem_offset	= 0,					\
-	.io_resource	= &sh7786_pci_io_resources[idx],	\
-	.io_offset	= 0,					\
+#define DEFINE_CONTROLLER(start, idx)					\
+{									\
+	.pci_ops	= &sh7786_pci_ops,				\
+	.resources	= sh7786_pci##idx##_resources,			\
+	.nr_resources	= ARRAY_SIZE(sh7786_pci##idx##_resources),	\
+	.reg_base	= start,					\
+	.mem_offset	= 0,						\
+	.io_offset	= 0,						\
 }
 
 static struct pci_channel sh7786_pci_channels[] = {
@@ -180,7 +204,9 @@ static int pcie_init(struct sh7786_pcie_port *port)
 {
 	struct pci_channel *chan = port->hose;
 	unsigned int data;
-	int ret;
+	phys_addr_t memphys;
+	size_t memsize;
+	int ret, i;
 
 	/* Begin initialization */
 	pci_write_reg(chan, 0, SH4A_PCIETCTLR);
@@ -203,15 +229,24 @@ static int pcie_init(struct sh7786_pcie_port *port)
 	data |= PCI_CAP_ID_EXP;
 	pci_write_reg(chan, data, SH4A_PCIEEXPCAP0);
 
-	/* Enable x4 link width and extended sync. */
+	/* Enable data link layer active state reporting */
+	pci_write_reg(chan, PCI_EXP_LNKCAP_DLLLARC, SH4A_PCIEEXPCAP3);
+
+	/* Enable extended sync and ASPM L0s support */
 	data = pci_read_reg(chan, SH4A_PCIEEXPCAP4);
-	data &= ~(PCI_EXP_LNKSTA_NLW << 16);
-	data |= (1 << 22) | PCI_EXP_LNKCTL_ES;
+	data &= ~PCI_EXP_LNKCTL_ASPMC;
+	data |= PCI_EXP_LNKCTL_ES | 1;
 	pci_write_reg(chan, data, SH4A_PCIEEXPCAP4);
 
+	/* Write out the physical slot number */
+	data = pci_read_reg(chan, SH4A_PCIEEXPCAP5);
+	data &= ~PCI_EXP_SLTCAP_PSN;
+	data |= (port->index + 1) << 19;
+	pci_write_reg(chan, data, SH4A_PCIEEXPCAP5);
+
 	/* Set the completion timer timeout to the maximum 32ms. */
 	data = pci_read_reg(chan, SH4A_PCIETLCTLR);
-	data &= ~0xffff;
+	data &= ~0x3f00;
 	data |= 0x32 << 8;
 	pci_write_reg(chan, data, SH4A_PCIETLCTLR);
 
@@ -224,6 +259,33 @@ static int pcie_init(struct sh7786_pcie_port *port)
 	data |= (0xff << 16);
 	pci_write_reg(chan, data, SH4A_PCIEMACCTLR);
 
+	memphys = __pa(memory_start);
+	memsize = roundup_pow_of_two(memory_end - memory_start);
+
+	/*
+	 * If there's more than 512MB of memory, we need to roll over to
+	 * LAR1/LAMR1.
+	 */
+	if (memsize > SZ_512M) {
+		__raw_writel(memphys + SZ_512M, chan->reg_base + SH4A_PCIELAR1);
+		__raw_writel(((memsize - SZ_512M) - SZ_256) | 1,
+			     chan->reg_base + SH4A_PCIELAMR1);
+		memsize = SZ_512M;
+	} else {
+		/*
+		 * Otherwise just zero it out and disable it.
+		 */
+		__raw_writel(0, chan->reg_base + SH4A_PCIELAR1);
+		__raw_writel(0, chan->reg_base + SH4A_PCIELAMR1);
+	}
+
+	/*
+	 * LAR0/LAMR0 covers up to the first 512MB, which is enough to
+	 * cover all of lowmem on most platforms.
+	 */
+	__raw_writel(memphys, chan->reg_base + SH4A_PCIELAR0);
+	__raw_writel((memsize - SZ_256) | 1, chan->reg_base + SH4A_PCIELAMR0);
+
 	/* Finish initialization */
 	data = pci_read_reg(chan, SH4A_PCIETCTLR);
 	data |= 0x1;
@@ -243,10 +305,14 @@ static int pcie_init(struct sh7786_pcie_port *port)
 	if (unlikely(ret != 0))
 		return -ENODEV;
 
-	pci_write_reg(chan, 0x00100007, SH4A_PCIEPCICONF1);
+	data = pci_read_reg(chan, SH4A_PCIEPCICONF1);
+	data &= ~(PCI_STATUS_DEVSEL_MASK << 16);
+	data |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
+		(PCI_STATUS_CAP_LIST | PCI_STATUS_DEVSEL_FAST) << 16;
+	pci_write_reg(chan, data, SH4A_PCIEPCICONF1);
+
 	pci_write_reg(chan, 0x80888000, SH4A_PCIETXVC0DCTLR);
 	pci_write_reg(chan, 0x00222000, SH4A_PCIERXVC0DCTLR);
-	pci_write_reg(chan, 0x000050A0, SH4A_PCIEEXPCAP2);
 
 	wmb();
 
@@ -254,15 +320,32 @@ static int pcie_init(struct sh7786_pcie_port *port)
 	printk(KERN_NOTICE "PCI: PCIe#%d link width %d\n",
 	       port->index, (data >> 20) & 0x3f);
 
-	pci_write_reg(chan, 0x007c0000, SH4A_PCIEPAMR0);
-	pci_write_reg(chan, 0x00000000, SH4A_PCIEPARH0);
-	pci_write_reg(chan, 0x00000000, SH4A_PCIEPARL0);
-	pci_write_reg(chan, 0x80000100, SH4A_PCIEPTCTLR0);
 
-	pci_write_reg(chan, 0x03fc0000, SH4A_PCIEPAMR2);
-	pci_write_reg(chan, 0x00000000, SH4A_PCIEPARH2);
-	pci_write_reg(chan, 0x00000000, SH4A_PCIEPARL2);
-	pci_write_reg(chan, 0x80000000, SH4A_PCIEPTCTLR2);
+	for (i = 0; i < chan->nr_resources; i++) {
+		struct resource *res = chan->resources + i;
+		resource_size_t size;
+		u32 enable_mask;
+
+		pci_write_reg(chan, 0x00000000, SH4A_PCIEPTCTLR(i));
+
+		size = resource_size(res);
+
+		/*
+		 * The PAMR mask is calculated in units of 256kB, which
+		 * keeps things pretty simple.
+		 */
+		__raw_writel(((roundup_pow_of_two(size) / SZ_256K) - 1) << 18,
+			     chan->reg_base + SH4A_PCIEPAMR(i));
+
+		pci_write_reg(chan, 0x00000000, SH4A_PCIEPARH(i));
+		pci_write_reg(chan, 0x00000000, SH4A_PCIEPARL(i));
+
+		enable_mask = MASK_PARE;
+		if (res->flags & IORESOURCE_IO)
+			enable_mask |= MASK_SPC;
+
+		pci_write_reg(chan, enable_mask, SH4A_PCIEPTCTLR(i));
+	}
 
 	return 0;
 }
@@ -296,9 +379,7 @@ static int __devinit sh7786_pcie_init_hw(struct sh7786_pcie_port *port)
 	if (unlikely(ret < 0))
 		return ret;
 
-	register_pci_controller(port->hose);
-
-	return 0;
+	return register_pci_controller(port->hose);
 }
 
 static struct sh7786_pcie_hwops sh7786_65nm_pcie_hwops __initdata = {
@@ -332,17 +413,7 @@ static int __init sh7786_pcie_init(void)
 
 		port->index		= i;
 		port->hose		= sh7786_pci_channels + i;
-		port->hose->io_map_base	= port->hose->io_resource->start;
-
-		/*
-		 * Check if we are booting in 29 or 32-bit mode
-		 *
-		 * 32-bit mode provides each controller with its own
-		 * memory window, while 29-bit mode uses a shared one.
-		 */
-		port->hose->mem_resource = test_mode_pin(MODE_PIN10) ?
-			&sh7786_pci_32bit_mem_resources[i] :
-			&sh7786_pci_29bit_mem_resource;
+		port->hose->io_map_base	= port->hose->resources[0].start;
 
 		ret |= sh7786_pcie_hwops->port_init_hw(port);
 	}
diff --git a/arch/sh/drivers/pci/pcie-sh7786.h b/arch/sh/drivers/pci/pcie-sh7786.h
index c655290a7750..90a6992576b0 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.h
+++ b/arch/sh/drivers/pci/pcie-sh7786.h
@@ -30,47 +30,9 @@
  * for other(Max Payload Size=4096B,PCIIO_SIZE=8M)
  */
 
-/* PCI0-0: PCI I/O space */
-#define SH4A_PCIIO_BASE		0xFD000000	/* PCI I/O for controller 0 */
-#define SH4A_PCIIO_BASE1	0xFD800000	/* PCI I/O for controller 1 (Rev1.14)*/
-#define SH4A_PCIIO_BASE2	0xFC800000	/* PCI I/O for controller 2 (Rev1.171)*/
-
-#define SH4A_PCIIO_SIZE64	0x00010000	/* PLX allows only 64K */
-#define SH4A_PCIIO_SIZE		0x00800000	/* 8M */
-#define SH4A_PCIIO_SIZE2	0x00400000	/* 4M (Rev1.171)*/
-
-/* PCI0-1: PCI memory space 29-bit address */
-#define SH4A_PCIMEM_BASE	0x10000000
-#define SH4A_PCIMEM_SIZE	0x04000000	/* 64M */
-
-/* PCI0-2: PCI memory space 32-bit address */
-#define SH4A_PCIMEM_BASEA	0xC0000000	/*  for controller 0 */
-#define SH4A_PCIMEM_BASEA1	0xA0000000	/*  for controller 1 (Rev1.14)*/
-#define SH4A_PCIMEM_BASEA2	0x80000000	/*  for controller 2 (Rev1.171)*/
-#define SH4A_PCIMEM_SIZEA	0x20000000	/* 512M */
-
 /* PCI0: PCI memory target transfer 32-bit address translation value(Rev1.11T)*/
 #define SH4A_PCIBMSTR_TRANSLATION	0x20000000
 
-#define SH4A_PCI_DEVICE_ID		0x0002
-#define SH4A_PCI_VENDOR_ID		0x1912
-
-// PCI compatible 000-03f
-#define PCI_CMD		0x004
-#define PCI_RID		0x008
-#define PCI_IBAR	0x010
-#define PCI_MBAR0	0x014
-#define PCI_MBAR1	0x018
-
-/* PCI power management/MSI/capablity 040-0ff */
-/* PCIE extended 100-fff */
-
-/* SH7786 device identification */	// Rev1.171
-#define SH4A_PVR		(0xFF000030)
-#define SH4A_PVR_SHX3		(0x10400000)
-#define SH4A_PRR		(0xFF000044)
-#define SH4A_PRR_SH7786		(0x00000400)	// Rev1.171
-
 /*	SPVCR0		*/
 #define	SH4A_PCIEVCR0		(0x000000)	/* R - 0x0000 0000 32 */
 #define		BITS_TOP_MB	(24)
@@ -350,23 +312,23 @@
 #define	SH4A_PCIECSAR5		(0x0202B4)	/* R/W R/W 0x0000 0000 32 */
 #define	SH4A_PCIESTCTLR5	(0x0202B8)	/* R/W R/W 0x0000 0000 32 */
 
-/*	PCIEPARL0	*/
-#define	SH4A_PCIEPARL0		(0x020400)	/* R/W R/W 0x0000 0000 32 */
+/*	PCIEPARL	*/
+#define	SH4A_PCIEPARL(x)	(0x020400 + ((x) * 0x20)) /* R/W R/W 0x0000 0000 32 */
 #define		BITS_PAL	(18)
 #define		MASK_PAL	(0x3fff<<BITS_PAL)
 
-/*	PCIEPARH0	*/
-#define	SH4A_PCIEPARH0		(0x020404)	/* R/W R/W 0x0000 0000 32 */
+/*	PCIEPARH	*/
+#define	SH4A_PCIEPARH(x)	(0x020404 + ((x) * 0x20)) /* R/W R/W 0x0000 0000 32 */
 #define		BITS_PAH	(0)
 #define		MASK_PAH	(0xffffffff<<BITS_PAH)
 
-/*	PCIEPAMR0	 */
-#define	SH4A_PCIEPAMR0		(0x020408)	/* R/W R/W 0x0000 0000 32 */
+/*	PCIEPAMR	 */
+#define	SH4A_PCIEPAMR(x)	(0x020408 + ((x) * 0x20)) /* R/W R/W 0x0000 0000 32 */
 #define		BITS_PAM	(18)
 #define		MASK_PAM	(0x3fff<<BITS_PAM)
 
-/*	PCIEPTCTLR0	*/
-#define	SH4A_PCIEPTCTLR0	(0x02040C)	/* R/W R/W 0x0000 0000 32 */
+/*	PCIEPTCTLR	*/
+#define SH4A_PCIEPTCTLR(x)	(0x02040C + ((x) * 0x20))
 #define		BITS_PARE	(31)
 #define		MASK_PARE	(0x1<<BITS_PARE)
 #define		BITS_TC		(20)
@@ -378,26 +340,6 @@
 #define		BITS_SPC	(8)
 #define		MASK_SPC	(0x1<<BITS_SPC)
 
-#define	SH4A_PCIEPARL1		(0x020420)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARH1		(0x020424)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPAMR1		(0x020428)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPTCTLR1	(0x02042C)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARL2		(0x020440)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARH2		(0x020444)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPAMR2		(0x020448)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPTCTLR2	(0x02044C)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARL3		(0x020460)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARH3		(0x020464)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPAMR3		(0x020468)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPTCTLR3	(0x02046C)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARL4		(0x020480)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARH4		(0x020484)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPAMR4		(0x020488)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPTCTLR4	(0x02048C)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARL5		(0x0204A0)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPARH5		(0x0204A4)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPAMR5		(0x0204A8)	/* R/W R/W 0x0000 0000 32 */
-#define	SH4A_PCIEPTCTLR5	(0x0204AC)	/* R/W R/W 0x0000 0000 32 */
 #define	SH4A_PCIEDMAOR		(0x021000)	/* R/W R/W 0x0000 0000 32 */
 #define	SH4A_PCIEDMSAR0		(0x021100)	/* R/W R/W 0x0000 0000 32 */
 #define	SH4A_PCIEDMSAHR0	(0x021104)	/* R/W R/W 0x0000 0000 32 */