[ARM] Add support for ARM RealView board

Support for RealView EB.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

13 files changed, 883 insertions, 0 deletions

diff --git a/include/asm-arm/arch-realview/debug-macro.S b/include/asm-arm/arch-realview/debug-macro.S
new file mode 100644
index 000000000000..ed28bd012236
--- /dev/null
+++ b/include/asm-arm/arch-realview/debug-macro.S
@@ -0,0 +1,38 @@
+/* linux/include/asm-arm/arch-realview/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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 <asm/hardware/amba_serial.h>
+
+		.macro	addruart,rx
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1			@ MMU enabled?
+		moveq	\rx,      #0x10000000
+		movne	\rx,      #0xf1000000	@ virtual base
+		orr	\rx, \rx, #0x00009000
+		.endm
+
+		.macro	senduart,rd,rx
+		strb	\rd, [\rx, #UART01x_DR]
+		.endm
+
+		.macro	waituart,rd,rx
+1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
+		tst	\rd, #1 << 5		@ UARTFLGUTXFF - 1 when full
+		bne	1001b
+		.endm
+
+		.macro	busyuart,rd,rx
+1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
+		tst	\rd, #1 << 3		@ UARTFLGUBUSY - 1 when busy
+		bne	1001b
+		.endm
diff --git a/include/asm-arm/arch-realview/dma.h b/include/asm-arm/arch-realview/dma.h
new file mode 100644
index 000000000000..744491a74bd9
--- /dev/null
+++ b/include/asm-arm/arch-realview/dma.h
@@ -0,0 +1,27 @@
+/*
+ *  linux/include/asm-arm/arch-realview/dma.h
+ *
+ *  Copyright (C) 2003 ARM Limited.
+ *  Copyright (C) 1997,1998 Russell King
+ *
+ * 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 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_DMA_H
+#define __ASM_ARCH_DMA_H
+
+#define MAX_DMA_ADDRESS		0xffffffff
+#define MAX_DMA_CHANNELS	0
+
+#endif /* _ASM_ARCH_DMA_H */
diff --git a/include/asm-arm/arch-realview/entry-macro.S b/include/asm-arm/arch-realview/entry-macro.S
new file mode 100644
index 000000000000..2712ba77bb3a
--- /dev/null
+++ b/include/asm-arm/arch-realview/entry-macro.S
@@ -0,0 +1,49 @@
+/*
+ * include/asm-arm/arch-realview/entry-macro.S
+ *
+ * Low-level IRQ helper macros for RealView platforms
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <asm/hardware/gic.h>
+
+		.macro	disable_fiq
+		.endm
+
+		/*
+		 * The interrupt numbering scheme is defined in the
+		 * interrupt controller spec.  To wit:
+		 *
+		 * Interrupts 0-15 are IPI
+		 * 16-28 are reserved
+		 * 29-31 are local.  We allow 30 to be used for the watchdog.
+		 * 32-1020 are global
+		 * 1021-1022 are reserved
+		 * 1023 is "spurious" (no interrupt)
+		 *
+		 * For now, we ignore all local interrupts so only return an interrupt if it's
+		 * between 30 and 1020.  The test_for_ipi routine below will pick up on IPIs.
+		 *
+		 * A simple read from the controller will tell us the number of the highest
+                 * priority enabled interrupt.  We then just need to check whether it is in the
+		 * valid range for an IRQ (30-1020 inclusive).
+		 */
+
+		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+		ldr     \base, =IO_ADDRESS(REALVIEW_GIC_CPU_BASE)
+		ldr     \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 = src CPU, 9-0 = int # */
+
+		ldr	\tmp, =1021
+
+		bic     \irqnr, \irqstat, #0x1c00
+
+		cmp     \irqnr, #29
+		cmpcc	\irqnr, \irqnr
+		cmpne	\irqnr, \tmp
+		cmpcs	\irqnr, \irqnr
+
+		.endm
diff --git a/include/asm-arm/arch-realview/hardware.h b/include/asm-arm/arch-realview/hardware.h
new file mode 100644
index 000000000000..67879cdb6ef2
--- /dev/null
+++ b/include/asm-arm/arch-realview/hardware.h
@@ -0,0 +1,31 @@
+/*
+ *  linux/include/asm-arm/arch-realview/hardware.h
+ *
+ *  This file contains the hardware definitions of the RealView boards.
+ *
+ *  Copyright (C) 2003 ARM Limited.
+ *
+ * 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 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_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <asm/sizes.h>
+#include <asm/arch/platform.h>
+
+/* macro to get at IO space when running virtually */
+#define IO_ADDRESS(x)		(((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
+
+#endif
diff --git a/include/asm-arm/arch-realview/io.h b/include/asm-arm/arch-realview/io.h
new file mode 100644
index 000000000000..d444a68ac330
--- /dev/null
+++ b/include/asm-arm/arch-realview/io.h
@@ -0,0 +1,34 @@
+/*
+ *  linux/include/asm-arm/arch-realview/io.h
+ *
+ *  Copyright (C) 2003 ARM Limited
+ *
+ * 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 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_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+static inline void __iomem *__io(unsigned long addr)
+{
+	return (void __iomem *)addr;
+}
+
+#define __io(a)			__io(a)
+#define __mem_pci(a)		(a)
+#define __mem_isa(a)		(a)
+
+#endif
diff --git a/include/asm-arm/arch-realview/irqs.h b/include/asm-arm/arch-realview/irqs.h
new file mode 100644
index 000000000000..ff376494e5b1
--- /dev/null
+++ b/include/asm-arm/arch-realview/irqs.h
@@ -0,0 +1,103 @@
+/*
+ *  linux/include/asm-arm/arch-realview/irqs.h
+ *
+ *  Copyright (C) 2003 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <asm/arch/platform.h>
+
+/* 
+ *  IRQ interrupts definitions are the same the INT definitions
+ *  held within platform.h
+ */
+#define IRQ_GIC_START		32
+#define IRQ_WDOGINT		(IRQ_GIC_START + INT_WDOGINT)
+#define IRQ_SOFTINT		(IRQ_GIC_START + INT_SOFTINT)
+#define IRQ_COMMRx		(IRQ_GIC_START + INT_COMMRx)
+#define IRQ_COMMTx		(IRQ_GIC_START + INT_COMMTx)
+#define IRQ_TIMERINT0_1		(IRQ_GIC_START + INT_TIMERINT0_1)
+#define IRQ_TIMERINT2_3		(IRQ_GIC_START + INT_TIMERINT2_3)
+#define IRQ_GPIOINT0		(IRQ_GIC_START + INT_GPIOINT0)
+#define IRQ_GPIOINT1		(IRQ_GIC_START + INT_GPIOINT1)
+#define IRQ_GPIOINT2		(IRQ_GIC_START + INT_GPIOINT2)
+#define IRQ_GPIOINT3		(IRQ_GIC_START + INT_GPIOINT3)
+#define IRQ_RTCINT		(IRQ_GIC_START + INT_RTCINT)
+#define IRQ_SSPINT		(IRQ_GIC_START + INT_SSPINT)
+#define IRQ_UARTINT0		(IRQ_GIC_START + INT_UARTINT0)
+#define IRQ_UARTINT1		(IRQ_GIC_START + INT_UARTINT1)
+#define IRQ_UARTINT2		(IRQ_GIC_START + INT_UARTINT2)
+#define IRQ_UART3		(IRQ_GIC_START + INT_UARTINT3)
+#define IRQ_SCIINT		(IRQ_GIC_START + INT_SCIINT)
+#define IRQ_CLCDINT		(IRQ_GIC_START + INT_CLCDINT)
+#define IRQ_DMAINT		(IRQ_GIC_START + INT_DMAINT)
+#define IRQ_PWRFAILINT 		(IRQ_GIC_START + INT_PWRFAILINT)
+#define IRQ_MBXINT		(IRQ_GIC_START + INT_MBXINT)
+#define IRQ_GNDINT		(IRQ_GIC_START + INT_GNDINT)
+#define IRQ_MMCI0B 		(IRQ_GIC_START + INT_MMCI0B)
+#define IRQ_MMCI1B 		(IRQ_GIC_START + INT_MMCI1B)
+#define IRQ_KMI0		(IRQ_GIC_START + INT_KMI0)
+#define IRQ_KMI1		(IRQ_GIC_START + INT_KMI1)
+#define IRQ_SCI3		(IRQ_GIC_START + INT_SCI3)
+#define IRQ_CLCD		(IRQ_GIC_START + INT_CLCD)
+#define IRQ_TOUCH		(IRQ_GIC_START + INT_TOUCH)
+#define IRQ_KEYPAD 		(IRQ_GIC_START + INT_KEYPAD)
+#define IRQ_DoC			(IRQ_GIC_START + INT_DoC)
+#define IRQ_MMCI0A 		(IRQ_GIC_START + INT_MMCI0A)
+#define IRQ_MMCI1A 		(IRQ_GIC_START + INT_MMCI1A)
+#define IRQ_AACI		(IRQ_GIC_START + INT_AACI)
+#define IRQ_ETH			(IRQ_GIC_START + INT_ETH)
+#define IRQ_USB			(IRQ_GIC_START + INT_USB)
+
+#define IRQMASK_WDOGINT		INTMASK_WDOGINT
+#define IRQMASK_SOFTINT		INTMASK_SOFTINT
+#define IRQMASK_COMMRx 		INTMASK_COMMRx
+#define IRQMASK_COMMTx 		INTMASK_COMMTx
+#define IRQMASK_TIMERINT0_1	INTMASK_TIMERINT0_1
+#define IRQMASK_TIMERINT2_3	INTMASK_TIMERINT2_3
+#define IRQMASK_GPIOINT0	INTMASK_GPIOINT0
+#define IRQMASK_GPIOINT1	INTMASK_GPIOINT1
+#define IRQMASK_GPIOINT2	INTMASK_GPIOINT2
+#define IRQMASK_GPIOINT3	INTMASK_GPIOINT3
+#define IRQMASK_RTCINT 		INTMASK_RTCINT
+#define IRQMASK_SSPINT 		INTMASK_SSPINT
+#define IRQMASK_UARTINT0	INTMASK_UARTINT0
+#define IRQMASK_UARTINT1	INTMASK_UARTINT1
+#define IRQMASK_UARTINT2	INTMASK_UARTINT2
+#define IRQMASK_SCIINT 		INTMASK_SCIINT
+#define IRQMASK_CLCDINT		INTMASK_CLCDINT
+#define IRQMASK_DMAINT 		INTMASK_DMAINT
+#define IRQMASK_PWRFAILINT	INTMASK_PWRFAILINT
+#define IRQMASK_MBXINT 		INTMASK_MBXINT
+#define IRQMASK_GNDINT 		INTMASK_GNDINT
+#define IRQMASK_MMCI0B		INTMASK_MMCI0B
+#define IRQMASK_MMCI1B		INTMASK_MMCI1B
+#define IRQMASK_KMI0		INTMASK_KMI0
+#define IRQMASK_KMI1		INTMASK_KMI1
+#define IRQMASK_SCI3		INTMASK_SCI3
+#define IRQMASK_UART3		INTMASK_UART3
+#define IRQMASK_CLCD		INTMASK_CLCD
+#define IRQMASK_TOUCH		INTMASK_TOUCH
+#define IRQMASK_KEYPAD		INTMASK_KEYPAD
+#define IRQMASK_DoC		INTMASK_DoC
+#define IRQMASK_MMCI0A		INTMASK_MMCI0A
+#define IRQMASK_MMCI1A		INTMASK_MMCI1A
+#define IRQMASK_AACI		INTMASK_AACI
+#define IRQMASK_ETH		INTMASK_ETH
+#define IRQMASK_USB		INTMASK_USB
+
+#define NR_IRQS			(IRQ_GIC_START + 64)
diff --git a/include/asm-arm/arch-realview/memory.h b/include/asm-arm/arch-realview/memory.h
new file mode 100644
index 000000000000..99667d5cc617
--- /dev/null
+++ b/include/asm-arm/arch-realview/memory.h
@@ -0,0 +1,38 @@
+/*
+ *  linux/include/asm-arm/arch-realview/memory.h
+ *
+ *  Copyright (C) 2003 ARM Limited
+ *
+ * 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 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_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET		(0x00000000UL)
+
+/*
+ * Virtual view <-> DMA view memory address translations
+ * virt_to_bus: Used to translate the virtual address to an
+ *              address suitable to be passed to set_dma_addr
+ * bus_to_virt: Used to convert an address for DMA operations
+ *              to an address that the kernel can use.
+ */
+#define __virt_to_bus(x)	((x) - PAGE_OFFSET)
+#define __bus_to_virt(x)	((x) + PAGE_OFFSET)
+
+#endif
diff --git a/include/asm-arm/arch-realview/param.h b/include/asm-arm/arch-realview/param.h
new file mode 100644
index 000000000000..89b1235d32bd
--- /dev/null
+++ b/include/asm-arm/arch-realview/param.h
@@ -0,0 +1,19 @@
+/*
+ *  linux/include/asm-arm/arch-realview/param.h
+ *
+ *  Copyright (C) 2002 ARM Limited
+ *
+ * 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 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
+ */
diff --git a/include/asm-arm/arch-realview/platform.h b/include/asm-arm/arch-realview/platform.h
new file mode 100644
index 000000000000..4b6de13a6b9a
--- /dev/null
+++ b/include/asm-arm/arch-realview/platform.h
@@ -0,0 +1,395 @@
+/*
+ * linux/include/asm-arm/arch-realview/platform.h
+ *
+ * Copyright (c) ARM Limited 2003.  All rights reserved.
+ *
+ * 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 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 __address_h
+#define __address_h                     1
+
+/*
+ * Memory definitions
+ */
+#define REALVIEW_BOOT_ROM_LO          0x30000000		/* DoC Base (64Mb)...*/
+#define REALVIEW_BOOT_ROM_HI          0x30000000
+#define REALVIEW_BOOT_ROM_BASE        REALVIEW_BOOT_ROM_HI	 /*  Normal position */
+#define REALVIEW_BOOT_ROM_SIZE        SZ_64M
+
+#define REALVIEW_SSRAM_BASE           /* REALVIEW_SSMC_BASE ? */
+#define REALVIEW_SSRAM_SIZE           SZ_2M
+
+#define REALVIEW_FLASH_BASE           0x40000000
+#define REALVIEW_FLASH_SIZE           SZ_64M
+
+/* 
+ *  SDRAM
+ */
+#define REALVIEW_SDRAM_BASE           0x00000000
+
+/* 
+ *  Logic expansion modules
+ * 
+ */
+
+
+/* ------------------------------------------------------------------------
+ *  RealView Registers
+ * ------------------------------------------------------------------------
+ * 
+ */
+#define REALVIEW_SYS_ID_OFFSET               0x00
+#define REALVIEW_SYS_SW_OFFSET               0x04
+#define REALVIEW_SYS_LED_OFFSET              0x08
+#define REALVIEW_SYS_OSC0_OFFSET             0x0C
+
+#define REALVIEW_SYS_OSC1_OFFSET             0x10
+#define REALVIEW_SYS_OSC2_OFFSET             0x14
+#define REALVIEW_SYS_OSC3_OFFSET             0x18
+#define REALVIEW_SYS_OSC4_OFFSET             0x1C	/* OSC1 for RealView/AB */
+
+#define REALVIEW_SYS_LOCK_OFFSET             0x20
+#define REALVIEW_SYS_100HZ_OFFSET            0x24
+#define REALVIEW_SYS_CFGDATA1_OFFSET         0x28
+#define REALVIEW_SYS_CFGDATA2_OFFSET         0x2C
+#define REALVIEW_SYS_FLAGS_OFFSET            0x30
+#define REALVIEW_SYS_FLAGSSET_OFFSET         0x30
+#define REALVIEW_SYS_FLAGSCLR_OFFSET         0x34
+#define REALVIEW_SYS_NVFLAGS_OFFSET          0x38
+#define REALVIEW_SYS_NVFLAGSSET_OFFSET       0x38
+#define REALVIEW_SYS_NVFLAGSCLR_OFFSET       0x3C
+#define REALVIEW_SYS_RESETCTL_OFFSET         0x40
+#define REALVIEW_SYS_PCICTL_OFFSET           0x44
+#define REALVIEW_SYS_MCI_OFFSET              0x48
+#define REALVIEW_SYS_FLASH_OFFSET            0x4C
+#define REALVIEW_SYS_CLCD_OFFSET             0x50
+#define REALVIEW_SYS_CLCDSER_OFFSET          0x54
+#define REALVIEW_SYS_BOOTCS_OFFSET           0x58
+#define REALVIEW_SYS_24MHz_OFFSET            0x5C
+#define REALVIEW_SYS_MISC_OFFSET             0x60
+#define REALVIEW_SYS_IOSEL_OFFSET            0x70
+#define REALVIEW_SYS_TEST_OSC0_OFFSET        0x80
+#define REALVIEW_SYS_TEST_OSC1_OFFSET        0x84
+#define REALVIEW_SYS_TEST_OSC2_OFFSET        0x88
+#define REALVIEW_SYS_TEST_OSC3_OFFSET        0x8C
+#define REALVIEW_SYS_TEST_OSC4_OFFSET        0x90
+
+#define REALVIEW_SYS_BASE                    0x10000000
+#define REALVIEW_SYS_ID                      (REALVIEW_SYS_BASE + REALVIEW_SYS_ID_OFFSET)
+#define REALVIEW_SYS_SW                      (REALVIEW_SYS_BASE + REALVIEW_SYS_SW_OFFSET)
+#define REALVIEW_SYS_LED                     (REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET)
+#define REALVIEW_SYS_OSC0                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC0_OFFSET)
+#define REALVIEW_SYS_OSC1                    (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC1_OFFSET)
+
+#define REALVIEW_SYS_LOCK                    (REALVIEW_SYS_BASE + REALVIEW_SYS_LOCK_OFFSET)
+#define REALVIEW_SYS_100HZ                   (REALVIEW_SYS_BASE + REALVIEW_SYS_100HZ_OFFSET)
+#define REALVIEW_SYS_CFGDATA1                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA1_OFFSET)
+#define REALVIEW_SYS_CFGDATA2                (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA2_OFFSET)
+#define REALVIEW_SYS_FLAGS                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGS_OFFSET)
+#define REALVIEW_SYS_FLAGSSET                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSSET_OFFSET)
+#define REALVIEW_SYS_FLAGSCLR                (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSCLR_OFFSET)
+#define REALVIEW_SYS_NVFLAGS                 (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGS_OFFSET)
+#define REALVIEW_SYS_NVFLAGSSET              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSSET_OFFSET)
+#define REALVIEW_SYS_NVFLAGSCLR              (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSCLR_OFFSET)
+#define REALVIEW_SYS_RESETCTL                (REALVIEW_SYS_BASE + REALVIEW_SYS_RESETCTL_OFFSET)
+#define REALVIEW_SYS_PCICTL                  (REALVIEW_SYS_BASE + REALVIEW_SYS_PCICTL_OFFSET)
+#define REALVIEW_SYS_MCI                     (REALVIEW_SYS_BASE + REALVIEW_SYS_MCI_OFFSET)
+#define REALVIEW_SYS_FLASH                   (REALVIEW_SYS_BASE + REALVIEW_SYS_FLASH_OFFSET)
+#define REALVIEW_SYS_CLCD                    (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCD_OFFSET)
+#define REALVIEW_SYS_CLCDSER                 (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCDSER_OFFSET)
+#define REALVIEW_SYS_BOOTCS                  (REALVIEW_SYS_BASE + REALVIEW_SYS_BOOTCS_OFFSET)
+#define REALVIEW_SYS_24MHz                   (REALVIEW_SYS_BASE + REALVIEW_SYS_24MHz_OFFSET)
+#define REALVIEW_SYS_MISC                    (REALVIEW_SYS_BASE + REALVIEW_SYS_MISC_OFFSET)
+#define REALVIEW_SYS_IOSEL                   (REALVIEW_SYS_BASE + REALVIEW_SYS_IOSEL_OFFSET)
+#define REALVIEW_SYS_TEST_OSC0               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC0_OFFSET)
+#define REALVIEW_SYS_TEST_OSC1               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC1_OFFSET)
+#define REALVIEW_SYS_TEST_OSC2               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC2_OFFSET)
+#define REALVIEW_SYS_TEST_OSC3               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
+#define REALVIEW_SYS_TEST_OSC4               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
+
+/* 
+ * Values for REALVIEW_SYS_RESET_CTRL
+ */
+#define REALVIEW_SYS_CTRL_RESET_CONFIGCLR    0x01
+#define REALVIEW_SYS_CTRL_RESET_CONFIGINIT   0x02
+#define REALVIEW_SYS_CTRL_RESET_DLLRESET     0x03
+#define REALVIEW_SYS_CTRL_RESET_PLLRESET     0x04
+#define REALVIEW_SYS_CTRL_RESET_POR          0x05
+#define REALVIEW_SYS_CTRL_RESET_DoC          0x06
+
+#define REALVIEW_SYS_CTRL_LED         (1 << 0)
+
+
+/* ------------------------------------------------------------------------
+ *  RealView control registers
+ * ------------------------------------------------------------------------
+ */
+
+/* 
+ * REALVIEW_IDFIELD
+ *
+ * 31:24 = manufacturer (0x41 = ARM)
+ * 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
+ * 15:12 = FPGA (0x3 = XVC600 or XVC600E)
+ * 11:4  = build value
+ * 3:0   = revision number (0x1 = rev B (AHB))
+ */
+
+/*
+ * REALVIEW_SYS_LOCK
+ *     control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL, 
+ *     SYS_CLD, SYS_BOOTCS
+ */
+#define REALVIEW_SYS_LOCK_LOCKED    (1 << 16)
+#define REALVIEW_SYS_LOCKVAL_MASK	0xFFFF		/* write 0xA05F to enable write access */
+
+/*
+ * REALVIEW_SYS_FLASH
+ */
+#define REALVIEW_FLASHPROG_FLVPPEN	(1 << 0)	/* Enable writing to flash */
+
+/*
+ * REALVIEW_INTREG
+ *     - used to acknowledge and control MMCI and UART interrupts 
+ */
+#define REALVIEW_INTREG_WPROT        0x00    /* MMC protection status (no interrupt generated) */
+#define REALVIEW_INTREG_RI0          0x01    /* Ring indicator UART0 is asserted,              */
+#define REALVIEW_INTREG_CARDIN       0x08    /* MMCI card in detect                            */
+                                                /* write 1 to acknowledge and clear               */
+#define REALVIEW_INTREG_RI1          0x02    /* Ring indicator UART1 is asserted,              */
+#define REALVIEW_INTREG_CARDINSERT   0x03    /* Signal insertion of MMC card                   */
+
+/*
+ * REALVIEW peripheral addresses
+ */
+#define REALVIEW_SCTL_BASE            0x10001000	/* System controller */
+#define REALVIEW_I2C_BASE             0x10002000	/* I2C control */
+	/* Reserved 0x10003000 */
+#define REALVIEW_AACI_BASE            0x10004000	/* Audio */
+#define REALVIEW_MMCI0_BASE           0x10005000	/* MMC interface */
+#define REALVIEW_KMI0_BASE            0x10006000	/* KMI interface */
+#define REALVIEW_KMI1_BASE            0x10007000	/* KMI 2nd interface */
+#define REALVIEW_CHAR_LCD_BASE        0x10008000	/* Character LCD */
+#define REALVIEW_UART0_BASE           0x10009000	/* UART 0 */
+#define REALVIEW_UART1_BASE           0x1000A000	/* UART 1 */
+#define REALVIEW_UART2_BASE           0x1000B000	/* UART 2 */
+#define REALVIEW_UART3_BASE           0x1000C000	/* UART 3 */
+#define REALVIEW_SSP_BASE             0x1000D000	/* Synchronous Serial Port */
+#define REALVIEW_SCI_BASE             0x1000E000	/* Smart card controller */
+	/* Reserved 0x1000F000 */
+#define REALVIEW_WATCHDOG_BASE        0x10010000	/* watchdog interface */
+#define REALVIEW_TIMER0_1_BASE        0x10011000	/* Timer 0 and 1 */
+#define REALVIEW_TIMER2_3_BASE        0x10012000	/* Timer 2 and 3 */
+#define REALVIEW_GPIO0_BASE           0x10013000	/* GPIO port 0 */
+#define REALVIEW_GPIO1_BASE           0x10014000	/* GPIO port 1 */
+#define REALVIEW_GPIO2_BASE           0x10015000	/* GPIO port 2 */
+	/* Reserved 0x10016000 */
+#define REALVIEW_RTC_BASE             0x10017000	/* Real Time Clock */
+#define REALVIEW_DMC_BASE             0x10018000	/* DMC configuration */
+#define REALVIEW_PCI_CORE_BASE        0x10019000	/* PCI configuration */
+	/* Reserved 0x1001A000 - 0x1001FFFF */
+#define REALVIEW_CLCD_BASE            0x10020000	/* CLCD */
+#define REALVIEW_DMAC_BASE            0x10030000	/* DMA controller */
+#define REALVIEW_GIC_CPU_BASE         0x10040000	/* Generic interrupt controller CPU interface */
+#define REALVIEW_GIC_DIST_BASE        0x10041000	/* Generic interrupt controller distributor */
+#define REALVIEW_SMC_BASE             0x10080000	/* SMC */
+	/* Reserved 0x10090000 - 0x100EFFFF */
+
+#define REALVIEW_ETH_BASE             0x4E000000	/* Ethernet */
+
+/* PCI space */
+#define REALVIEW_PCI_BASE             0x41000000	/* PCI Interface */
+#define REALVIEW_PCI_CFG_BASE	      0x42000000
+#define REALVIEW_PCI_MEM_BASE0        0x44000000
+#define REALVIEW_PCI_MEM_BASE1        0x50000000
+#define REALVIEW_PCI_MEM_BASE2        0x60000000
+/* Sizes of above maps */
+#define REALVIEW_PCI_BASE_SIZE	       0x01000000
+#define REALVIEW_PCI_CFG_BASE_SIZE    0x02000000
+#define REALVIEW_PCI_MEM_BASE0_SIZE   0x0c000000	/* 32Mb */
+#define REALVIEW_PCI_MEM_BASE1_SIZE   0x10000000	/* 256Mb */
+#define REALVIEW_PCI_MEM_BASE2_SIZE   0x10000000	/* 256Mb */
+
+#define REALVIEW_SDRAM67_BASE         0x70000000	/* SDRAM banks 6 and 7 */
+#define REALVIEW_LT_BASE              0x80000000	/* Logic Tile expansion */
+
+/*
+ * Disk on Chip
+ */
+#define REALVIEW_DOC_BASE             0x2C000000
+#define REALVIEW_DOC_SIZE             (16 << 20)
+#define REALVIEW_DOC_PAGE_SIZE        512
+#define REALVIEW_DOC_TOTAL_PAGES     (DOC_SIZE / PAGE_SIZE)
+
+#define ERASE_UNIT_PAGES    32
+#define START_PAGE          0x80
+
+/* 
+ *  LED settings, bits [7:0]
+ */
+#define REALVIEW_SYS_LED0             (1 << 0)
+#define REALVIEW_SYS_LED1             (1 << 1)
+#define REALVIEW_SYS_LED2             (1 << 2)
+#define REALVIEW_SYS_LED3             (1 << 3)
+#define REALVIEW_SYS_LED4             (1 << 4)
+#define REALVIEW_SYS_LED5             (1 << 5)
+#define REALVIEW_SYS_LED6             (1 << 6)
+#define REALVIEW_SYS_LED7             (1 << 7)
+
+#define ALL_LEDS                  0xFF
+
+#define LED_BANK                  REALVIEW_SYS_LED
+
+/* 
+ * Control registers
+ */
+#define REALVIEW_IDFIELD_OFFSET	0x0	/* RealView build information */
+#define REALVIEW_FLASHPROG_OFFSET	0x4	/* Flash devices */
+#define REALVIEW_INTREG_OFFSET		0x8	/* Interrupt control */
+#define REALVIEW_DECODE_OFFSET		0xC	/* Fitted logic modules */
+
+/* ------------------------------------------------------------------------
+ *  Interrupts - bit assignment (primary)
+ * ------------------------------------------------------------------------
+ */
+#define INT_WDOGINT			0	/* Watchdog timer */
+#define INT_SOFTINT			1	/* Software interrupt */
+#define INT_COMMRx			2	/* Debug Comm Rx interrupt */
+#define INT_COMMTx			3	/* Debug Comm Tx interrupt */
+#define INT_TIMERINT0_1			4	/* Timer 0 and 1 */
+#define INT_TIMERINT2_3			5	/* Timer 2 and 3 */
+#define INT_GPIOINT0			6	/* GPIO 0 */
+#define INT_GPIOINT1			7	/* GPIO 1 */
+#define INT_GPIOINT2			8	/* GPIO 2 */
+/* 9 reserved */
+#define INT_RTCINT			10	/* Real Time Clock */
+#define INT_SSPINT			11	/* Synchronous Serial Port */
+#define INT_UARTINT0			12	/* UART 0 on development chip */
+#define INT_UARTINT1			13	/* UART 1 on development chip */
+#define INT_UARTINT2			14	/* UART 2 on development chip */
+#define INT_UARTINT3			15	/* UART 3 on development chip */
+#define INT_SCIINT			16	/* Smart Card Interface */
+#define INT_MMCI0A			17	/* Multimedia Card 0A */
+#define INT_MMCI0B			18	/* Multimedia Card 0B */
+#define INT_AACI			19	/* Audio Codec */
+#define INT_KMI0			20	/* Keyboard/Mouse port 0 */
+#define INT_KMI1			21	/* Keyboard/Mouse port 1 */
+#define INT_CHARLCD			22	/* Character LCD */
+#define INT_CLCDINT			23	/* CLCD controller */
+#define INT_DMAINT			24	/* DMA controller */
+#define INT_PWRFAILINT			25	/* Power failure */
+#define INT_PISMO			26
+#define INT_DoC				27	/* Disk on Chip memory controller */
+#define INT_ETH				28	/* Ethernet controller */
+#define INT_USB				29	/* USB controller */
+#define INT_TSPENINT			30	/* Touchscreen pen */
+#define INT_TSKPADINT			31	/* Touchscreen keypad */
+
+/* 
+ *  Interrupt bit positions
+ * 
+ */
+#define INTMASK_WDOGINT			(1 << INT_WDOGINT)
+#define INTMASK_SOFTINT			(1 << INT_SOFTINT)
+#define INTMASK_COMMRx			(1 << INT_COMMRx)
+#define INTMASK_COMMTx			(1 << INT_COMMTx)
+#define INTMASK_TIMERINT0_1		(1 << INT_TIMERINT0_1)
+#define INTMASK_TIMERINT2_3		(1 << INT_TIMERINT2_3)
+#define INTMASK_GPIOINT0		(1 << INT_GPIOINT0)
+#define INTMASK_GPIOINT1		(1 << INT_GPIOINT1)
+#define INTMASK_GPIOINT2		(1 << INT_GPIOINT2)
+#define INTMASK_RTCINT			(1 << INT_RTCINT)
+#define INTMASK_SSPINT			(1 << INT_SSPINT)
+#define INTMASK_UARTINT0		(1 << INT_UARTINT0)
+#define INTMASK_UARTINT1		(1 << INT_UARTINT1)
+#define INTMASK_UARTINT2		(1 << INT_UARTINT2)
+#define INTMASK_UARTINT3		(1 << INT_UARTINT3)
+#define INTMASK_SCIINT			(1 << INT_SCIINT)
+#define INTMASK_MMCI0A			(1 << INT_MMCI0A)
+#define INTMASK_MMCI0B			(1 << INT_MMCI0B)
+#define INTMASK_AACI			(1 << INT_AACI)
+#define INTMASK_KMI0			(1 << INT_KMI0)
+#define INTMASK_KMI1			(1 << INT_KMI1)
+#define INTMASK_CHARLCD			(1 << INT_CHARLCD)
+#define INTMASK_CLCDINT			(1 << INT_CLCDINT)
+#define INTMASK_DMAINT			(1 << INT_DMAINT)
+#define INTMASK_PWRFAILINT		(1 << INT_PWRFAILINT)
+#define INTMASK_PISMO			(1 << INT_PISMO)
+#define INTMASK_DoC			(1 << INT_DoC)
+#define INTMASK_ETH			(1 << INT_ETH)
+#define INTMASK_USB			(1 << INT_USB)
+#define INTMASK_TSPENINT		(1 << INT_TSPENINT)
+#define INTMASK_TSKPADINT		(1 << INT_TSKPADINT)
+
+#define MAXIRQNUM                       31
+#define MAXFIQNUM                       31
+#define MAXSWINUM                       31
+
+/* 
+ *  Application Flash
+ * 
+ */
+#define FLASH_BASE                      REALVIEW_FLASH_BASE
+#define FLASH_SIZE                      REALVIEW_FLASH_SIZE
+#define FLASH_END                       (FLASH_BASE + FLASH_SIZE - 1)
+#define FLASH_BLOCK_SIZE                SZ_128K
+
+/* 
+ *  Boot Flash
+ * 
+ */
+#define EPROM_BASE                      REALVIEW_BOOT_ROM_HI
+#define EPROM_SIZE                      REALVIEW_BOOT_ROM_SIZE
+#define EPROM_END                       (EPROM_BASE + EPROM_SIZE - 1)
+
+/* 
+ *  Clean base - dummy
+ * 
+ */
+#define CLEAN_BASE                      EPROM_BASE
+
+/*
+ * System controller bit assignment
+ */
+#define REALVIEW_REFCLK	0
+#define REALVIEW_TIMCLK	1
+
+#define REALVIEW_TIMER1_EnSel	15
+#define REALVIEW_TIMER2_EnSel	17
+#define REALVIEW_TIMER3_EnSel	19
+#define REALVIEW_TIMER4_EnSel	21
+
+
+#define MAX_TIMER                       2
+#define MAX_PERIOD                      699050
+#define TICKS_PER_uSEC                  1
+
+/* 
+ *  These are useconds NOT ticks.  
+ * 
+ */
+#define mSEC_1                          1000
+#define mSEC_5                          (mSEC_1 * 5)
+#define mSEC_10                         (mSEC_1 * 10)
+#define mSEC_25                         (mSEC_1 * 25)
+#define SEC_1                           (mSEC_1 * 1000)
+
+#define REALVIEW_CSR_BASE             0x10000000
+#define REALVIEW_CSR_SIZE             0x10000000
+
+#endif
+
+/* 	END */
diff --git a/include/asm-arm/arch-realview/system.h b/include/asm-arm/arch-realview/system.h
new file mode 100644
index 000000000000..9f8fcbca0869
--- /dev/null
+++ b/include/asm-arm/arch-realview/system.h
@@ -0,0 +1,51 @@
+/*
+ *  linux/include/asm-arm/arch-realview/system.h
+ *
+ *  Copyright (C) 2003 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/platform.h>
+
+static inline void arch_idle(void)
+{
+	/*
+	 * This should do all the clock switching
+	 * and wait for interrupt tricks
+	 */
+	cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+	unsigned int hdr_ctrl =	(IO_ADDRESS(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET);
+	unsigned int val;
+
+	/*
+	 * To reset, we hit the on-board reset register
+	 * in the system FPGA
+	 */
+	val = __raw_readl(hdr_ctrl);
+	val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR;
+	__raw_writel(val, hdr_ctrl);
+}
+
+#endif
diff --git a/include/asm-arm/arch-realview/timex.h b/include/asm-arm/arch-realview/timex.h
new file mode 100644
index 000000000000..5b9d82d0a5e0
--- /dev/null
+++ b/include/asm-arm/arch-realview/timex.h
@@ -0,0 +1,23 @@
+/*
+ *  linux/include/asm-arm/arch-realview/timex.h
+ *
+ *  RealView architecture timex specifications
+ *
+ *  Copyright (C) 2003 ARM Limited
+ *
+ * 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 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
+ */
+
+#define CLOCK_TICK_RATE		(50000000 / 16)
diff --git a/include/asm-arm/arch-realview/uncompress.h b/include/asm-arm/arch-realview/uncompress.h
new file mode 100644
index 000000000000..b5e4d360665b
--- /dev/null
+++ b/include/asm-arm/arch-realview/uncompress.h
@@ -0,0 +1,54 @@
+/*
+ *  linux/include/asm-arm/arch-realview/uncompress.h
+ *
+ *  Copyright (C) 2003 ARM Limited
+ *
+ * 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 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 <asm/hardware.h>
+
+#define AMBA_UART_DR	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x00))
+#define AMBA_UART_LCRH	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x2c))
+#define AMBA_UART_CR	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x30))
+#define AMBA_UART_FR	(*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x18))
+
+/*
+ * This does not append a newline
+ */
+static void putstr(const char *s)
+{
+	while (*s) {
+		while (AMBA_UART_FR & (1 << 5))
+			barrier();
+
+		AMBA_UART_DR = *s;
+
+		if (*s == '\n') {
+			while (AMBA_UART_FR & (1 << 5))
+				barrier();
+
+			AMBA_UART_DR = '\r';
+		}
+		s++;
+	}
+	while (AMBA_UART_FR & (1 << 3))
+		barrier();
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/include/asm-arm/arch-realview/vmalloc.h b/include/asm-arm/arch-realview/vmalloc.h
new file mode 100644
index 000000000000..0ad49af186af
--- /dev/null
+++ b/include/asm-arm/arch-realview/vmalloc.h
@@ -0,0 +1,21 @@
+/*
+ *  linux/include/asm-arm/arch-realview/vmalloc.h
+ *
+ *  Copyright (C) 2003 ARM Limited
+ *  Copyright (C) 2000 Russell King.
+ *
+ * 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 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
+ */
+#define VMALLOC_END		(PAGE_OFFSET + 0x18000000)