RealView: Add support for the RealView/PBX platform

This is a RealView platform supporting core tiles with ARM11MPCore,
Cortex-A8 or Cortex-A9 (multicore) processors. It has support for MMC,
CompactFlash, PCI-E.

Signed-off-by: Colin Tuckley <colin.tuckley@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

11 files changed, 563 insertions, 6 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a8d88af7fe88..cb7b38831436 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -859,7 +859,7 @@ source "kernel/time/Kconfig"
 
 config SMP
 	bool "Symmetric Multi-Processing (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || MACH_REALVIEW_PB11MP)
+	depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX)
 	select USE_GENERIC_SMP_HELPERS
 	help
 	  This enables support for systems with more than one CPU. If you have
@@ -916,7 +916,7 @@ config HOTPLUG_CPU
 
 config LOCAL_TIMERS
 	bool "Use local timer interrupts"
-	depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || REALVIEW_EB_A9MP)
+	depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || REALVIEW_EB_A9MP || MACH_REALVIEW_PBX)
 	default y
 	help
 	  Enable support for local timers on SMP platforms, rather then the
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 64f2252a25cd..cdb9022716fd 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -24,6 +24,8 @@
 #define L2X0_CACHE_TYPE			0x004
 #define L2X0_CTRL			0x100
 #define L2X0_AUX_CTRL			0x104
+#define L2X0_TAG_LATENCY_CTRL		0x108
+#define L2X0_DATA_LATENCY_CTRL		0x10C
 #define L2X0_EVENT_CNT_CTRL		0x200
 #define L2X0_EVENT_CNT1_CFG		0x204
 #define L2X0_EVENT_CNT0_CFG		0x208
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index b6ec10627776..368b58ae3043 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -58,6 +58,13 @@ config MACH_REALVIEW_PBA8
 	  PB-A8 is a platform with an on-board Cortex-A8 and has support for
 	  PCI-E and Compact Flash.
 
+config MACH_REALVIEW_PBX
+	bool "Support RealView/PBX platform"
+	select ARM_GIC
+	select HAVE_PATA_PLATFORM
+	help
+	  Include support for the ARM(R) RealView PBX platform.
+
 config REALVIEW_HIGH_PHYS_OFFSET
 	bool "High physical base address for the RealView platform"
 	depends on !MACH_REALVIEW_PB1176
diff --git a/arch/arm/mach-realview/Makefile b/arch/arm/mach-realview/Makefile
index 7bea8ffc4b59..7df1931ff443 100644
--- a/arch/arm/mach-realview/Makefile
+++ b/arch/arm/mach-realview/Makefile
@@ -7,5 +7,6 @@ obj-$(CONFIG_MACH_REALVIEW_EB)		+= realview_eb.o
 obj-$(CONFIG_MACH_REALVIEW_PB11MP)	+= realview_pb11mp.o
 obj-$(CONFIG_MACH_REALVIEW_PB1176)	+= realview_pb1176.o
 obj-$(CONFIG_MACH_REALVIEW_PBA8)	+= realview_pba8.o
+obj-$(CONFIG_MACH_REALVIEW_PBX)		+= realview_pbx.o
 obj-$(CONFIG_SMP)			+= platsmp.o headsmp.o localtimer.o
 obj-$(CONFIG_HOTPLUG_CPU)		+= hotplug.o
diff --git a/arch/arm/mach-realview/include/mach/board-pbx.h b/arch/arm/mach-realview/include/mach/board-pbx.h
new file mode 100644
index 000000000000..c26509388828
--- /dev/null
+++ b/arch/arm/mach-realview/include/mach/board-pbx.h
@@ -0,0 +1,203 @@
+/*
+ * arch/arm/mach-realview/include/mach/board-pbx.h
+ *
+ * Copyright (C) 2009 ARM Limited
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __ASM_ARCH_BOARD_PBX_H
+#define __ASM_ARCH_BOARD_PBX_H
+
+#include <mach/platform.h>
+
+/*
+ * Peripheral addresses
+ */
+#define REALVIEW_PBX_UART0_BASE			0x10009000	/* UART 0 */
+#define REALVIEW_PBX_UART1_BASE			0x1000A000	/* UART 1 */
+#define REALVIEW_PBX_UART2_BASE			0x1000B000	/* UART 2 */
+#define REALVIEW_PBX_UART3_BASE			0x1000C000	/* UART 3 */
+#define REALVIEW_PBX_SSP_BASE			0x1000D000	/* Synchronous Serial Port */
+#define REALVIEW_PBX_WATCHDOG0_BASE		0x1000F000	/* Watchdog 0 */
+#define REALVIEW_PBX_WATCHDOG_BASE		0x10010000	/* watchdog interface */
+#define REALVIEW_PBX_TIMER0_1_BASE		0x10011000	/* Timer 0 and 1 */
+#define REALVIEW_PBX_TIMER2_3_BASE		0x10012000	/* Timer 2 and 3 */
+#define REALVIEW_PBX_GPIO0_BASE			0x10013000	/* GPIO port 0 */
+#define REALVIEW_PBX_RTC_BASE			0x10017000	/* Real Time Clock */
+#define REALVIEW_PBX_TIMER4_5_BASE		0x10018000	/* Timer 4/5 */
+#define REALVIEW_PBX_TIMER6_7_BASE		0x10019000	/* Timer 6/7 */
+#define REALVIEW_PBX_SCTL_BASE			0x1001A000	/* System Controller */
+#define REALVIEW_PBX_CLCD_BASE			0x10020000	/* CLCD */
+#define REALVIEW_PBX_ONB_SRAM_BASE		0x10060000	/* On-board SRAM */
+#define REALVIEW_PBX_DMC_BASE			0x100E0000	/* DMC configuration */
+#define REALVIEW_PBX_SMC_BASE			0x100E1000	/* SMC configuration */
+#define REALVIEW_PBX_CAN_BASE			0x100E2000	/* CAN bus */
+#define REALVIEW_PBX_GIC_CPU_BASE		0x1E000000	/* Generic interrupt controller CPU interface */
+#define REALVIEW_PBX_FLASH0_BASE		0x40000000
+#define REALVIEW_PBX_FLASH0_SIZE		SZ_64M
+#define REALVIEW_PBX_FLASH1_BASE		0x44000000
+#define REALVIEW_PBX_FLASH1_SIZE		SZ_64M
+#define REALVIEW_PBX_ETH_BASE			0x4E000000	/* Ethernet */
+#define REALVIEW_PBX_USB_BASE			0x4F000000	/* USB */
+#define REALVIEW_PBX_GIC_DIST_BASE		0x1E001000	/* Generic interrupt controller distributor */
+#define REALVIEW_PBX_LT_BASE			0xC0000000	/* Logic Tile expansion */
+#define REALVIEW_PBX_SDRAM6_BASE		0x70000000	/* SDRAM bank 6 256MB */
+#define REALVIEW_PBX_SDRAM7_BASE		0x80000000	/* SDRAM bank 7 256MB */
+
+/*
+ * Tile-specific addresses
+ */
+#define REALVIEW_PBX_TILE_SCU_BASE		0x1F000000      /* SCU registers */
+#define REALVIEW_PBX_TILE_GIC_CPU_BASE		0x1F000100      /* Private Generic interrupt controller CPU interface */
+#define REALVIEW_PBX_TILE_TWD_BASE		0x1F000600
+#define REALVIEW_PBX_TILE_TWD_PERCPU_BASE	0x1F000700
+#define REALVIEW_PBX_TILE_TWD_SIZE		0x00000100
+#define REALVIEW_PBX_TILE_GIC_DIST_BASE		0x1F001000      /* Private Generic interrupt controller distributor */
+#define REALVIEW_PBX_TILE_L220_BASE		0x1F002000      /* L220 registers */
+
+#define REALVIEW_PBX_SYS_PLD_CTRL1		0x74
+
+/*
+ * PBX PCI regions
+ */
+#define REALVIEW_PBX_PCI_BASE			0x90040000	/* PCI-X Unit base */
+#define REALVIEW_PBX_PCI_IO_BASE		0x90050000	/* IO Region on AHB */
+#define REALVIEW_PBX_PCI_MEM_BASE		0xA0000000	/* MEM Region on AHB */
+
+#define REALVIEW_PBX_PCI_BASE_SIZE		0x10000		/* 16 Kb */
+#define REALVIEW_PBX_PCI_IO_SIZE		0x1000		/* 4 Kb */
+#define REALVIEW_PBX_PCI_MEM_SIZE		0x20000000	/* 512 MB */
+
+/*
+ * Irqs
+ */
+#define IRQ_PBX_GIC_START			32
+
+/* L220
+#define IRQ_PBX_L220_EVENT	(IRQ_PBX_GIC_START + 29)
+#define IRQ_PBX_L220_SLAVE	(IRQ_PBX_GIC_START + 30)
+#define IRQ_PBX_L220_DECODE	(IRQ_PBX_GIC_START + 31)
+*/
+
+/*
+ * PB-X on-board gic irq sources
+ */
+#define IRQ_PBX_WATCHDOG	(IRQ_PBX_GIC_START + 0)	/* Watchdog timer */
+#define IRQ_PBX_SOFT		(IRQ_PBX_GIC_START + 1)	/* Software interrupt */
+#define IRQ_PBX_COMMRx		(IRQ_PBX_GIC_START + 2)	/* Debug Comm Rx interrupt */
+#define IRQ_PBX_COMMTx		(IRQ_PBX_GIC_START + 3)	/* Debug Comm Tx interrupt */
+#define IRQ_PBX_TIMER0_1	(IRQ_PBX_GIC_START + 4)	/* Timer 0/1 (default timer) */
+#define IRQ_PBX_TIMER2_3	(IRQ_PBX_GIC_START + 5)	/* Timer 2/3 */
+#define IRQ_PBX_GPIO0		(IRQ_PBX_GIC_START + 6)	/* GPIO 0 */
+#define IRQ_PBX_GPIO1		(IRQ_PBX_GIC_START + 7)	/* GPIO 1 */
+#define IRQ_PBX_GPIO2		(IRQ_PBX_GIC_START + 8)	/* GPIO 2 */
+								/* 9 reserved */
+#define IRQ_PBX_RTC		(IRQ_PBX_GIC_START + 10)	/* Real Time Clock */
+#define IRQ_PBX_SSP		(IRQ_PBX_GIC_START + 11)	/* Synchronous Serial Port */
+#define IRQ_PBX_UART0		(IRQ_PBX_GIC_START + 12)	/* UART 0 on development chip */
+#define IRQ_PBX_UART1		(IRQ_PBX_GIC_START + 13)	/* UART 1 on development chip */
+#define IRQ_PBX_UART2		(IRQ_PBX_GIC_START + 14)	/* UART 2 on development chip */
+#define IRQ_PBX_UART3		(IRQ_PBX_GIC_START + 15)	/* UART 3 on development chip */
+#define IRQ_PBX_SCI		(IRQ_PBX_GIC_START + 16)	/* Smart Card Interface */
+#define IRQ_PBX_MMCI0A		(IRQ_PBX_GIC_START + 17)	/* Multimedia Card 0A */
+#define IRQ_PBX_MMCI0B		(IRQ_PBX_GIC_START + 18)	/* Multimedia Card 0B */
+#define IRQ_PBX_AACI		(IRQ_PBX_GIC_START + 19)	/* Audio Codec */
+#define IRQ_PBX_KMI0		(IRQ_PBX_GIC_START + 20)	/* Keyboard/Mouse port 0 */
+#define IRQ_PBX_KMI1		(IRQ_PBX_GIC_START + 21)	/* Keyboard/Mouse port 1 */
+#define IRQ_PBX_CHARLCD		(IRQ_PBX_GIC_START + 22)	/* Character LCD */
+#define IRQ_PBX_CLCD		(IRQ_PBX_GIC_START + 23)	/* CLCD controller */
+#define IRQ_PBX_DMAC		(IRQ_PBX_GIC_START + 24)	/* DMA controller */
+#define IRQ_PBX_PWRFAIL		(IRQ_PBX_GIC_START + 25)	/* Power failure */
+#define IRQ_PBX_PISMO		(IRQ_PBX_GIC_START + 26)	/* PISMO interface */
+#define IRQ_PBX_DoC		(IRQ_PBX_GIC_START + 27)	/* Disk on Chip memory controller */
+#define IRQ_PBX_ETH		(IRQ_PBX_GIC_START + 28)	/* Ethernet controller */
+#define IRQ_PBX_USB		(IRQ_PBX_GIC_START + 29)	/* USB controller */
+#define IRQ_PBX_TSPEN		(IRQ_PBX_GIC_START + 30)	/* Touchscreen pen */
+#define IRQ_PBX_TSKPAD		(IRQ_PBX_GIC_START + 31)	/* Touchscreen keypad */
+
+#define IRQ_PBX_PMU_SCU0        (IRQ_PBX_GIC_START + 32)        /* SCU PMU Interrupts (11mp) */
+#define IRQ_PBX_PMU_SCU1        (IRQ_PBX_GIC_START + 33)
+#define IRQ_PBX_PMU_SCU2        (IRQ_PBX_GIC_START + 34)
+#define IRQ_PBX_PMU_SCU3        (IRQ_PBX_GIC_START + 35)
+#define IRQ_PBX_PMU_SCU4        (IRQ_PBX_GIC_START + 36)
+#define IRQ_PBX_PMU_SCU5        (IRQ_PBX_GIC_START + 37)
+#define IRQ_PBX_PMU_SCU6        (IRQ_PBX_GIC_START + 38)
+#define IRQ_PBX_PMU_SCU7        (IRQ_PBX_GIC_START + 39)
+
+#define IRQ_PBX_WATCHDOG1       (IRQ_PBX_GIC_START + 40)        /* Watchdog1 timer */
+#define IRQ_PBX_TIMER4_5        (IRQ_PBX_GIC_START + 41)        /* Timer 0/1 (default timer) */
+#define IRQ_PBX_TIMER6_7        (IRQ_PBX_GIC_START + 42)        /* Timer 2/3 */
+/* ... */
+#define IRQ_PBX_PMU_CPU3        (IRQ_PBX_GIC_START + 44)        /* CPU PMU Interrupts */
+#define IRQ_PBX_PMU_CPU2        (IRQ_PBX_GIC_START + 45)
+#define IRQ_PBX_PMU_CPU1        (IRQ_PBX_GIC_START + 46)
+#define IRQ_PBX_PMU_CPU0        (IRQ_PBX_GIC_START + 47)
+
+/* ... */
+#define IRQ_PBX_PCI0		(IRQ_PBX_GIC_START + 50)
+#define IRQ_PBX_PCI1		(IRQ_PBX_GIC_START + 51)
+#define IRQ_PBX_PCI2		(IRQ_PBX_GIC_START + 52)
+#define IRQ_PBX_PCI3		(IRQ_PBX_GIC_START + 53)
+
+#define IRQ_PBX_SMC		-1
+#define IRQ_PBX_SCTL		-1
+
+#define NR_GIC_PBX		1
+
+/*
+ * Only define NR_IRQS if less than NR_IRQS_PBX
+ */
+#define NR_IRQS_PBX		(IRQ_PBX_GIC_START + 96)
+
+#if defined(CONFIG_MACH_REALVIEW_PBX)
+
+#if !defined(NR_IRQS) || (NR_IRQS < NR_IRQS_PBX)
+#undef NR_IRQS
+#define NR_IRQS			NR_IRQS_PBX
+#endif
+
+#if !defined(MAX_GIC_NR) || (MAX_GIC_NR < NR_GIC_PBX)
+#undef MAX_GIC_NR
+#define MAX_GIC_NR		NR_GIC_PBX
+#endif
+
+#endif	/* CONFIG_MACH_REALVIEW_PBX */
+
+/*
+ * Core tile identification (REALVIEW_SYS_PROCID)
+ */
+#define REALVIEW_PBX_PROC_MASK          0xFF000000
+#define REALVIEW_PBX_PROC_ARM7TDMI      0x00000000
+#define REALVIEW_PBX_PROC_ARM9          0x02000000
+#define REALVIEW_PBX_PROC_ARM11         0x04000000
+#define REALVIEW_PBX_PROC_ARM11MP       0x06000000
+#define REALVIEW_PBX_PROC_A9MP          0x0C000000
+#define REALVIEW_PBX_PROC_A8            0x0E000000
+
+#define check_pbx_proc(proc_type)                                            \
+	((readl(__io_address(REALVIEW_SYS_PROCID)) & REALVIEW_PBX_PROC_MASK) \
+	== proc_type)
+
+#ifdef CONFIG_MACH_REALVIEW_PBX
+#define core_tile_pbx11mp()     check_pbx_proc(REALVIEW_PBX_PROC_ARM11MP)
+#define core_tile_pbxa9mp()     check_pbx_proc(REALVIEW_PBX_PROC_A9MP)
+#define core_tile_pbxa8()       check_pbx_proc(REALVIEW_PBX_PROC_A8)
+#else
+#define core_tile_pbx11mp()     0
+#define core_tile_pbxa9mp()     0
+#define core_tile_pbxa8()       0
+#endif
+
+#endif	/* __ASM_ARCH_BOARD_PBX_H */
diff --git a/arch/arm/mach-realview/include/mach/debug-macro.S b/arch/arm/mach-realview/include/mach/debug-macro.S
index 92dbcb9e1792..932d8af18062 100644
--- a/arch/arm/mach-realview/include/mach/debug-macro.S
+++ b/arch/arm/mach-realview/include/mach/debug-macro.S
@@ -12,7 +12,8 @@
 
 #if defined(CONFIG_MACH_REALVIEW_EB) || \
     defined(CONFIG_MACH_REALVIEW_PB11MP) || \
-    defined(CONFIG_MACH_REALVIEW_PBA8)
+    defined(CONFIG_MACH_REALVIEW_PBA8) || \
+    defined(CONFIG_MACH_REALVIEW_PBX)
 #ifndef DEBUG_LL_UART_OFFSET
 #define DEBUG_LL_UART_OFFSET	0x00009000
 #elif DEBUG_LL_UART_OFFSET != 0x00009000
diff --git a/arch/arm/mach-realview/include/mach/irqs.h b/arch/arm/mach-realview/include/mach/irqs.h
index fe5cb987aa21..e9e38264671e 100644
--- a/arch/arm/mach-realview/include/mach/irqs.h
+++ b/arch/arm/mach-realview/include/mach/irqs.h
@@ -26,6 +26,7 @@
 #include <mach/board-pb11mp.h>
 #include <mach/board-pb1176.h>
 #include <mach/board-pba8.h>
+#include <mach/board-pbx.h>
 
 #define IRQ_LOCALTIMER		29
 #define IRQ_LOCALWDOG		30
diff --git a/arch/arm/mach-realview/include/mach/uncompress.h b/arch/arm/mach-realview/include/mach/uncompress.h
index 415d634d52ab..83050378ffd2 100644
--- a/arch/arm/mach-realview/include/mach/uncompress.h
+++ b/arch/arm/mach-realview/include/mach/uncompress.h
@@ -24,6 +24,7 @@
 #include <mach/board-pb11mp.h>
 #include <mach/board-pb1176.h>
 #include <mach/board-pba8.h>
+#include <mach/board-pbx.h>
 
 #define AMBA_UART_DR(base)	(*(volatile unsigned char *)((base) + 0x00))
 #define AMBA_UART_LCRH(base)	(*(volatile unsigned char *)((base) + 0x2c))
@@ -43,6 +44,8 @@ static inline unsigned long get_uart_base(void)
 		return REALVIEW_PB1176_UART0_BASE;
 	else if (machine_is_realview_pba8())
 		return REALVIEW_PBA8_UART0_BASE;
+	else if (machine_is_realview_pbx())
+		return REALVIEW_PBX_UART0_BASE;
 	else
 		return 0;
 }
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index 30a9c68591f6..e3bd9345c6a1 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -22,6 +22,7 @@
 
 #include <mach/board-eb.h>
 #include <mach/board-pb11mp.h>
+#include <mach/board-pbx.h>
 #include <mach/scu.h>
 
 #include "core.h"
@@ -40,6 +41,9 @@ static void __iomem *scu_base_addr(void)
 		return __io_address(REALVIEW_EB11MP_SCU_BASE);
 	else if (machine_is_realview_pb11mp())
 		return __io_address(REALVIEW_TC11MP_SCU_BASE);
+	else if (machine_is_realview_pbx() &&
+		 (core_tile_pbx11mp() || core_tile_pbxa9mp()))
+		return __io_address(REALVIEW_PBX_TILE_SCU_BASE);
 	else
 		return (void __iomem *)0;
 }
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
new file mode 100644
index 000000000000..1fe294d0bf9d
--- /dev/null
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -0,0 +1,335 @@
+/*
+ *  arch/arm/mach-realview/realview_pbx.c
+ *
+ *  Copyright (C) 2009 ARM Limited
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
+#include <linux/amba/bus.h>
+#include <linux/io.h>
+
+#include <asm/irq.h>
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+#include <asm/hardware/gic.h>
+#include <asm/hardware/cache-l2x0.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/mmc.h>
+#include <asm/mach/time.h>
+
+#include <mach/hardware.h>
+#include <mach/board-pbx.h>
+#include <mach/irqs.h>
+
+#include "core.h"
+
+static struct map_desc realview_pbx_io_desc[] __initdata = {
+	{
+		.virtual	= IO_ADDRESS(REALVIEW_SYS_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_SYS_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PBX_GIC_CPU_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PBX_GIC_CPU_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PBX_GIC_DIST_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PBX_GIC_DIST_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_SCTL_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_SCTL_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PBX_TIMER0_1_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PBX_TIMER0_1_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= IO_ADDRESS(REALVIEW_PBX_TIMER2_3_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PBX_TIMER2_3_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+#ifdef CONFIG_PCI
+	{
+		.virtual	= PCIX_UNIT_BASE,
+		.pfn		= __phys_to_pfn(REALVIEW_PBX_PCI_BASE),
+		.length		= REALVIEW_PBX_PCI_BASE_SIZE,
+		.type		= MT_DEVICE,
+	},
+#endif
+#ifdef CONFIG_DEBUG_LL
+	{
+		.virtual	= IO_ADDRESS(REALVIEW_PBX_UART0_BASE),
+		.pfn		= __phys_to_pfn(REALVIEW_PBX_UART0_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+#endif
+};
+
+static struct map_desc realview_local_io_desc[] __initdata = {
+	{
+		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_CPU_BASE),
+		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_CPU_BASE),
+		.length         = SZ_4K,
+		.type           = MT_DEVICE,
+	}, {
+		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_GIC_DIST_BASE),
+		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_GIC_DIST_BASE),
+		.length         = SZ_4K,
+		.type           = MT_DEVICE,
+	}, {
+		.virtual        = IO_ADDRESS(REALVIEW_PBX_TILE_L220_BASE),
+		.pfn            = __phys_to_pfn(REALVIEW_PBX_TILE_L220_BASE),
+		.length         = SZ_8K,
+		.type           = MT_DEVICE,
+	}
+};
+
+static void __init realview_pbx_map_io(void)
+{
+	iotable_init(realview_pbx_io_desc, ARRAY_SIZE(realview_pbx_io_desc));
+	if (core_tile_pbx11mp() || core_tile_pbxa9mp())
+		iotable_init(realview_local_io_desc, ARRAY_SIZE(realview_local_io_desc));
+}
+
+/*
+ * RealView PBXCore AMBA devices
+ */
+
+#define GPIO2_IRQ		{ IRQ_PBX_GPIO2, NO_IRQ }
+#define GPIO2_DMA		{ 0, 0 }
+#define GPIO3_IRQ		{ IRQ_PBX_GPIO3, NO_IRQ }
+#define GPIO3_DMA		{ 0, 0 }
+#define AACI_IRQ		{ IRQ_PBX_AACI, NO_IRQ }
+#define AACI_DMA		{ 0x80, 0x81 }
+#define MMCI0_IRQ		{ IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
+#define MMCI0_DMA		{ 0x84, 0 }
+#define KMI0_IRQ		{ IRQ_PBX_KMI0, NO_IRQ }
+#define KMI0_DMA		{ 0, 0 }
+#define KMI1_IRQ		{ IRQ_PBX_KMI1, NO_IRQ }
+#define KMI1_DMA		{ 0, 0 }
+#define PBX_SMC_IRQ		{ NO_IRQ, NO_IRQ }
+#define PBX_SMC_DMA		{ 0, 0 }
+#define MPMC_IRQ		{ NO_IRQ, NO_IRQ }
+#define MPMC_DMA		{ 0, 0 }
+#define PBX_CLCD_IRQ		{ IRQ_PBX_CLCD, NO_IRQ }
+#define PBX_CLCD_DMA		{ 0, 0 }
+#define DMAC_IRQ		{ IRQ_PBX_DMAC, NO_IRQ }
+#define DMAC_DMA		{ 0, 0 }
+#define SCTL_IRQ		{ NO_IRQ, NO_IRQ }
+#define SCTL_DMA		{ 0, 0 }
+#define PBX_WATCHDOG_IRQ	{ IRQ_PBX_WATCHDOG, NO_IRQ }
+#define PBX_WATCHDOG_DMA	{ 0, 0 }
+#define PBX_GPIO0_IRQ		{ IRQ_PBX_GPIO0, NO_IRQ }
+#define PBX_GPIO0_DMA		{ 0, 0 }
+#define GPIO1_IRQ		{ IRQ_PBX_GPIO1, NO_IRQ }
+#define GPIO1_DMA		{ 0, 0 }
+#define PBX_RTC_IRQ		{ IRQ_PBX_RTC, NO_IRQ }
+#define PBX_RTC_DMA		{ 0, 0 }
+#define SCI_IRQ			{ IRQ_PBX_SCI, NO_IRQ }
+#define SCI_DMA			{ 7, 6 }
+#define PBX_UART0_IRQ		{ IRQ_PBX_UART0, NO_IRQ }
+#define PBX_UART0_DMA		{ 15, 14 }
+#define PBX_UART1_IRQ		{ IRQ_PBX_UART1, NO_IRQ }
+#define PBX_UART1_DMA		{ 13, 12 }
+#define PBX_UART2_IRQ		{ IRQ_PBX_UART2, NO_IRQ }
+#define PBX_UART2_DMA		{ 11, 10 }
+#define PBX_UART3_IRQ		{ IRQ_PBX_UART3, NO_IRQ }
+#define PBX_UART3_DMA		{ 0x86, 0x87 }
+#define PBX_SSP_IRQ		{ IRQ_PBX_SSP, NO_IRQ }
+#define PBX_SSP_DMA		{ 9, 8 }
+
+/* FPGA Primecells */
+AMBA_DEVICE(aaci,	"fpga:04",	AACI,		NULL);
+AMBA_DEVICE(mmc0,	"fpga:05",	MMCI0,		&realview_mmc0_plat_data);
+AMBA_DEVICE(kmi0,	"fpga:06",	KMI0,		NULL);
+AMBA_DEVICE(kmi1,	"fpga:07",	KMI1,		NULL);
+AMBA_DEVICE(uart3,	"fpga:09",	PBX_UART3,	NULL);
+
+/* DevChip Primecells */
+AMBA_DEVICE(smc,	"dev:00",	PBX_SMC,	NULL);
+AMBA_DEVICE(sctl,	"dev:e0",	SCTL,		NULL);
+AMBA_DEVICE(wdog,	"dev:e1",	PBX_WATCHDOG, 	NULL);
+AMBA_DEVICE(gpio0,	"dev:e4",	PBX_GPIO0,	NULL);
+AMBA_DEVICE(gpio1,	"dev:e5",	GPIO1,		NULL);
+AMBA_DEVICE(gpio2,	"dev:e6",	GPIO2,		NULL);
+AMBA_DEVICE(rtc,	"dev:e8",	PBX_RTC,	NULL);
+AMBA_DEVICE(sci0,	"dev:f0",	SCI,		NULL);
+AMBA_DEVICE(uart0,	"dev:f1",	PBX_UART0,	NULL);
+AMBA_DEVICE(uart1,	"dev:f2",	PBX_UART1,	NULL);
+AMBA_DEVICE(uart2,	"dev:f3",	PBX_UART2,	NULL);
+AMBA_DEVICE(ssp0,	"dev:f4",	PBX_SSP,	NULL);
+
+/* Primecells on the NEC ISSP chip */
+AMBA_DEVICE(clcd,	"issp:20",	PBX_CLCD,	&clcd_plat_data);
+AMBA_DEVICE(dmac,	"issp:30",	DMAC,		NULL);
+
+static struct amba_device *amba_devs[] __initdata = {
+	&dmac_device,
+	&uart0_device,
+	&uart1_device,
+	&uart2_device,
+	&uart3_device,
+	&smc_device,
+	&clcd_device,
+	&sctl_device,
+	&wdog_device,
+	&gpio0_device,
+	&gpio1_device,
+	&gpio2_device,
+	&rtc_device,
+	&sci0_device,
+	&ssp0_device,
+	&aaci_device,
+	&mmc0_device,
+	&kmi0_device,
+	&kmi1_device,
+};
+
+/*
+ * RealView PB-X platform devices
+ */
+static struct resource realview_pbx_flash_resources[] = {
+	[0] = {
+		.start          = REALVIEW_PBX_FLASH0_BASE,
+		.end            = REALVIEW_PBX_FLASH0_BASE + REALVIEW_PBX_FLASH0_SIZE - 1,
+		.flags          = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start          = REALVIEW_PBX_FLASH1_BASE,
+		.end            = REALVIEW_PBX_FLASH1_BASE + REALVIEW_PBX_FLASH1_SIZE - 1,
+		.flags          = IORESOURCE_MEM,
+	},
+};
+
+static struct resource realview_pbx_smsc911x_resources[] = {
+	[0] = {
+		.start		= REALVIEW_PBX_ETH_BASE,
+		.end		= REALVIEW_PBX_ETH_BASE + SZ_64K - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= IRQ_PBX_ETH,
+		.end		= IRQ_PBX_ETH,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource realview_pbx_isp1761_resources[] = {
+	[0] = {
+		.start		= REALVIEW_PBX_USB_BASE,
+		.end		= REALVIEW_PBX_USB_BASE + SZ_128K - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= IRQ_PBX_USB,
+		.end		= IRQ_PBX_USB,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static void __init gic_init_irq(void)
+{
+	/* ARM PBX on-board GIC */
+	if (core_tile_pbx11mp() || core_tile_pbxa9mp()) {
+		gic_cpu_base_addr = __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE);
+		gic_dist_init(0, __io_address(REALVIEW_PBX_TILE_GIC_DIST_BASE),
+			      29);
+		gic_cpu_init(0, __io_address(REALVIEW_PBX_TILE_GIC_CPU_BASE));
+	} else {
+		gic_cpu_base_addr = __io_address(REALVIEW_PBX_GIC_CPU_BASE);
+		gic_dist_init(0, __io_address(REALVIEW_PBX_GIC_DIST_BASE),
+			      IRQ_PBX_GIC_START);
+		gic_cpu_init(0, __io_address(REALVIEW_PBX_GIC_CPU_BASE));
+	}
+}
+
+static void __init realview_pbx_timer_init(void)
+{
+	timer0_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE);
+	timer1_va_base = __io_address(REALVIEW_PBX_TIMER0_1_BASE) + 0x20;
+	timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE);
+	timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20;
+
+#ifdef CONFIG_LOCAL_TIMERS
+	if (core_tile_pbx11mp() || core_tile_pbxa9mp())
+		twd_base = __io_address(REALVIEW_PBX_TILE_TWD_BASE);
+#endif
+	realview_timer_init(IRQ_PBX_TIMER0_1);
+}
+
+static struct sys_timer realview_pbx_timer = {
+	.init		= realview_pbx_timer_init,
+};
+
+static void __init realview_pbx_init(void)
+{
+	int i;
+
+#ifdef CONFIG_CACHE_L2X0
+	if (core_tile_pbxa9mp()) {
+		void __iomem *l2x0_base =
+			__io_address(REALVIEW_PBX_TILE_L220_BASE);
+
+		/* set RAM latencies to 1 cycle for eASIC */
+		writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL);
+		writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL);
+
+		/* 16KB way size, 8-way associativity, parity disabled
+		 * Bits:  .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
+		l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
+	}
+#endif
+
+	realview_flash_register(realview_pbx_flash_resources,
+				ARRAY_SIZE(realview_pbx_flash_resources));
+	realview_eth_register(NULL, realview_pbx_smsc911x_resources);
+	platform_device_register(&realview_i2c_device);
+	platform_device_register(&realview_cf_device);
+	realview_usb_register(realview_pbx_isp1761_resources);
+
+	for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
+		struct amba_device *d = amba_devs[i];
+		amba_device_register(d, &iomem_resource);
+	}
+
+#ifdef CONFIG_LEDS
+	leds_event = realview_leds_event;
+#endif
+}
+
+MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
+	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
+	.phys_io	= REALVIEW_PBX_UART0_BASE,
+	.io_pg_offst	= (IO_ADDRESS(REALVIEW_PBX_UART0_BASE) >> 18) & 0xfffc,
+	.boot_params	= PHYS_OFFSET + 0x00000100,
+	.map_io		= realview_pbx_map_io,
+	.init_irq	= gic_init_irq,
+	.timer		= &realview_pbx_timer,
+	.init_machine	= realview_pbx_init,
+MACHINE_END
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 20979564e7ee..76bbcde049b0 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -391,7 +391,7 @@ config CPU_FEROCEON_OLD_ID
 
 # ARMv6
 config CPU_V6
-	bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB
+	bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
 	select CPU_32v6
 	select CPU_ABRT_EV6
 	select CPU_PABRT_NOIFAR
@@ -416,7 +416,7 @@ config CPU_32v6K
 
 # ARMv7
 config CPU_V7
-	bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB
+	bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
 	select CPU_32v6K
 	select CPU_32v7
 	select CPU_ABRT_EV7
@@ -747,7 +747,7 @@ config CACHE_FEROCEON_L2_WRITETHROUGH
 config CACHE_L2X0
 	bool "Enable the L2x0 outer cache controller"
 	depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \
-		   REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31
+		   REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX
 	default y
 	select OUTER_CACHE
 	help