[ARM] Add support for ARM Versatile platform.

This cset adds minimal support for ARM Ltd's ARM926EJ-S "Versatile"
platform.

arch/arm/Kconfig

@@ -145,6 +145,11 @@ config ARCH_S3C2410
 config ARCH_OMAP
 	bool "TI OMAP"
 
+config ARCH_VERSATILE_PB
+	bool "Versatile PB"
+	help
+	  This enables support for ARM Ltd Versatile PB board.
+
 endchoice
 
 source "arch/arm/mach-clps711x/Kconfig"
@@ -262,7 +267,7 @@ config ICST525
 
 config ARM_AMBA
 	bool
-	depends on ARCH_INTEGRATOR
+	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB
 	default y
 
 config ISA
@@ -514,7 +519,7 @@ config CMDLINE
 
 config LEDS
 	bool "Timer and CPU usage LEDs"
-	depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_FTVPCI || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP
+	depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_FTVPCI || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP || ARCH_VERSATILE_PB
 	help
 	  If you say Y here, the LEDs on your machine will be used
 	  to provide useful information about your current system status.
@@ -527,8 +532,8 @@ config LEDS
 	  system, but the driver will do nothing.
 
 config LEDS_TIMER
-	bool "Timer LED" if LEDS && (ARCH_NETWINDER || ARCH_EBSA285 || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_P720T)
-	depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_FTVPCI || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP
+	bool "Timer LED" if LEDS && (ARCH_NETWINDER || ARCH_EBSA285 || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_P720T || ARCH_VERSATILE_PB)
+	depends on ARCH_NETWINDER || ARCH_EBSA110 || ARCH_EBSA285 || ARCH_FTVPCI || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_CDB89712 || ARCH_P720T || ARCH_OMAP || ARCH_VERSATILE_PB
 	default y if ARCH_EBSA110
 	help
 	  If you say Y here, one of the system LEDs (the green one on the
@@ -543,7 +548,7 @@ config LEDS_TIMER
 
 config LEDS_CPU
 	bool "CPU usage LED"
-	depends on LEDS && (ARCH_NETWINDER || ARCH_EBSA285 || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_P720T)
+	depends on LEDS && (ARCH_NETWINDER || ARCH_EBSA285 || ARCH_SHARK || ARCH_CO285 || ARCH_SA1100 || ARCH_LUBBOCK || ARCH_PXA_IDP || ARCH_INTEGRATOR || ARCH_P720T || ARCH_VERSATILE_PB)
 	help
 	  If you say Y here, the red LED will be used to give a good real
 	  time indication of CPU usage, by lighting whenever the idle task

arch/arm/Makefile

@@ -94,6 +94,7 @@ textaddr-$(CONFIG_ARCH_FORTUNET)   := 0xc0008000
  machine-$(CONFIG_ARCH_ADIFCC)	   := adifcc
  machine-$(CONFIG_ARCH_OMAP)	   := omap
  machine-$(CONFIG_ARCH_S3C2410)	   := s3c2410
+ machine-$(CONFIG_ARCH_VERSATILE_PB) := versatile
 
 TEXTADDR := $(textaddr-y)
 ifeq ($(incdir-y),)

arch/arm/boot/Makefile

@@ -56,6 +56,9 @@ params_phys-$(CONFIG_ARCH_OMAP)		:= 0x10000100
 initrd_phys-$(CONFIG_ARCH_OMAP)		:= 0x10800000
    zreladdr-$(CONFIG_ARCH_S3C2410)	:= 0x30008000
 params_phys-$(CONFIG_ARCH_S3C2410)	:= 0x30000100
+   zreladdr-$(CONFIG_ARCH_VERSATILE_PB)	:= 0x00008000
+params_phys-$(CONFIG_ARCH_VERSATILE_PB)	:= 0x00000100
+initrd_phys-$(CONFIG_ARCH_VERSATILE_PB)	:= 0x00800000
 
 ZRELADDR    := $(zreladdr-y)
 ZTEXTADDR   := $(ztextaddr-y)

arch/arm/kernel/debug.S

@@ -550,6 +550,35 @@
 1002:		@ exit busyuart
 		.endm
 
+
+#elif defined(CONFIG_ARCH_VERSATILE_PB)
+
+#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, #0x001F0000
+		orr	\rx, \rx, #0x00001000
+		.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
 #else
 #error Unknown architecture
 #endif

arch/arm/kernel/entry-armv.S

@@ -463,6 +463,37 @@ ENTRY(soft_irq_mask)
 		.macro	irq_prio_table
 		.endm
 
+#elif defined(CONFIG_ARCH_VERSATILE_PB)
+
+		.macro	disable_fiq
+		.endm
+
+		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+		ldr	\base, =IO_ADDRESS(VERSATILE_VIC_BASE)
+		ldr	\irqstat, [\base, #VIC_IRQ_STATUS]	@ get masked status
+		mov	\irqnr, #0
+		teq	\irqstat, #0
+		beq	1003f
+
+1001:		tst	\irqstat, #15
+		bne	1002f
+		add	\irqnr, \irqnr, #4
+		movs	\irqstat, \irqstat, lsr #4
+		bne	1001b
+1002:		tst	\irqstat, #1
+		bne	1003f
+		add	\irqnr, \irqnr, #1
+		movs	\irqstat, \irqstat, lsr #1
+		bne	1002b
+1003:		/* EQ will be set if no irqs pending */
+
+@		clz	\irqnr, \irqstat
+@1003:		/* EQ will be set if we reach MAXIRQNUM */
+		.endm
+
+		.macro	irq_prio_table
+		.endm
+
 #elif defined(CONFIG_ARCH_CLPS711X)
 
 #include <asm/hardware/clps7111.h>

arch/arm/mach-versatile/Makefile

+#
+# Makefile for the linux kernel.
+#
+
+obj-y					:= core.o

arch/arm/mm/Kconfig

@@ -114,8 +114,9 @@ config CPU_ARM925T
 
 # ARM926T
 config CPU_ARM926T
-	bool "Support ARM926T processor"
-	depends on ARCH_INTEGRATOR || ARCH_OMAP1610
+	bool "Support ARM926T processor" if ARCH_INTEGRATOR
+	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || ARCH_OMAP1610
+	default y if ARCH_VERSATILE_PB
 	select CPU_32v5
 	select CPU_ABRT_EV5TJ
 	select CPU_COPY_V4WB

include/asm-arm/arch-versatile/dma.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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 */

include/asm-arm/arch-versatile/hardware.h

+/*
+ *  linux/include/asm-arm/arch-versatile/hardware.h
+ *
+ *  This file contains the hardware definitions of the Versatile PB board.
+ *
+ *  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>
+
+// FIXME = PCI settings need to be fixed!!!!!
+
+/*
+ * Similar to above, but for PCI addresses (memory, IO, Config and the
+ * V3 chip itself).  WARNING: this has to mirror definitions in platform.h
+ */
+#define PCI_MEMORY_VADDR       0xe8000000
+#define PCI_CONFIG_VADDR       0xec000000
+#define PCI_V3_VADDR           0xed000000
+#define PCI_IO_VADDR           0xee000000
+
+#define PCIO_BASE		PCI_IO_VADDR
+#define PCIMEM_BASE		PCI_MEMORY_VADDR
+
+/* macro to get at IO space when running virtually */
+#define IO_ADDRESS(x)		(((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
+
+#endif

include/asm-arm/arch-versatile/io.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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 0xffff
+
+#define __io(a)			((a))
+#define __mem_pci(a)		((unsigned long)(a))
+#define __mem_isa(a)		((unsigned long)(a))
+
+#endif

include/asm-arm/arch-versatile/irqs.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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_VIC_START		0
+#define IRQ_WDOGINT		(IRQ_VIC_START + INT_WDOGINT)
+#define IRQ_SOFTINT		(IRQ_VIC_START + INT_SOFTINT)
+#define IRQ_COMMRx		(IRQ_VIC_START + INT_COMMRx)
+#define IRQ_COMMTx		(IRQ_VIC_START + INT_COMMTx)
+#define IRQ_TIMERINT0_1		(IRQ_VIC_START + INT_TIMERINT0_1)
+#define IRQ_TIMERINT2_3		(IRQ_VIC_START + INT_TIMERINT2_3)
+#define IRQ_GPIOINT0		(IRQ_VIC_START + INT_GPIOINT0)
+#define IRQ_GPIOINT1		(IRQ_VIC_START + INT_GPIOINT1)
+#define IRQ_GPIOINT2		(IRQ_VIC_START + INT_GPIOINT2)
+#define IRQ_GPIOINT3		(IRQ_VIC_START + INT_GPIOINT3)
+#define IRQ_RTCINT		(IRQ_VIC_START + INT_RTCINT)
+#define IRQ_SSPINT		(IRQ_VIC_START + INT_SSPINT)
+#define IRQ_UARTINT0		(IRQ_VIC_START + INT_UARTINT0)
+#define IRQ_UARTINT1		(IRQ_VIC_START + INT_UARTINT1)
+#define IRQ_UARTINT2		(IRQ_VIC_START + INT_UARTINT2)
+#define IRQ_SCIINT		(IRQ_VIC_START + INT_SCIINT)
+#define IRQ_CLCDINT		(IRQ_VIC_START + INT_CLCDINT)
+#define IRQ_DMAINT		(IRQ_VIC_START + INT_DMAINT)
+#define IRQ_PWRFAILINT 		(IRQ_VIC_START + INT_PWRFAILINT)
+#define IRQ_MBXINT		(IRQ_VIC_START + INT_MBXINT)
+#define IRQ_GNDINT		(IRQ_VIC_START + INT_GNDINT)
+#define IRQ_VICSOURCE21		(IRQ_VIC_START + INT_VICSOURCE21)
+#define IRQ_VICSOURCE22		(IRQ_VIC_START + INT_VICSOURCE22)
+#define IRQ_VICSOURCE23		(IRQ_VIC_START + INT_VICSOURCE23)
+#define IRQ_VICSOURCE24		(IRQ_VIC_START + INT_VICSOURCE24)
+#define IRQ_VICSOURCE25		(IRQ_VIC_START + INT_VICSOURCE25)
+#define IRQ_VICSOURCE26		(IRQ_VIC_START + INT_VICSOURCE26)
+#define IRQ_VICSOURCE27		(IRQ_VIC_START + INT_VICSOURCE27)
+#define IRQ_VICSOURCE28		(IRQ_VIC_START + INT_VICSOURCE28)
+#define IRQ_VICSOURCE29		(IRQ_VIC_START + INT_VICSOURCE29)
+#define IRQ_VICSOURCE30		(IRQ_VIC_START + INT_VICSOURCE30)
+#define IRQ_VICSOURCE31		(IRQ_VIC_START + INT_VICSOURCE31)
+#define IRQ_VIC_END		(IRQ_VIC_START + 31)
+
+#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_VICSOURCE21	INTMASK_VICSOURCE21
+#define IRQMASK_VICSOURCE22	INTMASK_VICSOURCE22
+#define IRQMASK_VICSOURCE23	INTMASK_VICSOURCE23
+#define IRQMASK_VICSOURCE24	INTMASK_VICSOURCE24
+#define IRQMASK_VICSOURCE25	INTMASK_VICSOURCE25
+#define IRQMASK_VICSOURCE26	INTMASK_VICSOURCE26
+#define IRQMASK_VICSOURCE27	INTMASK_VICSOURCE27
+#define IRQMASK_VICSOURCE28	INTMASK_VICSOURCE28
+#define IRQMASK_VICSOURCE29	INTMASK_VICSOURCE29
+#define IRQMASK_VICSOURCE30	INTMASK_VICSOURCE30
+#define IRQMASK_VICSOURCE31	INTMASK_VICSOURCE31
+
+/* 
+ *  FIQ interrupts definitions are the same the INT definitions.
+ */
+#define FIQ_WDOGINT		INT_WDOGINT
+#define FIQ_SOFTINT		INT_SOFTINT
+#define FIQ_COMMRx		INT_COMMRx
+#define FIQ_COMMTx		INT_COMMTx
+#define FIQ_TIMERINT0_1		INT_TIMERINT0_1
+#define FIQ_TIMERINT2_3		INT_TIMERINT2_3
+#define FIQ_GPIOINT0		INT_GPIOINT0
+#define FIQ_GPIOINT1		INT_GPIOINT1
+#define FIQ_GPIOINT2		INT_GPIOINT2
+#define FIQ_GPIOINT3		INT_GPIOINT3
+#define FIQ_RTCINT		INT_RTCINT
+#define FIQ_SSPINT		INT_SSPINT
+#define FIQ_UARTINT0		INT_UARTINT0
+#define FIQ_UARTINT1		INT_UARTINT1
+#define FIQ_UARTINT2		INT_UARTINT2
+#define FIQ_SCIINT		INT_SCIINT
+#define FIQ_CLCDINT		INT_CLCDINT
+#define FIQ_DMAINT		INT_DMAINT
+#define FIQ_PWRFAILINT 		INT_PWRFAILINT
+#define FIQ_MBXINT		INT_MBXINT
+#define FIQ_GNDINT		INT_GNDINT
+#define FIQ_VICSOURCE21		INT_VICSOURCE21
+#define FIQ_VICSOURCE22		INT_VICSOURCE22
+#define FIQ_VICSOURCE23		INT_VICSOURCE23
+#define FIQ_VICSOURCE24		INT_VICSOURCE24
+#define FIQ_VICSOURCE25		INT_VICSOURCE25
+#define FIQ_VICSOURCE26		INT_VICSOURCE26
+#define FIQ_VICSOURCE27		INT_VICSOURCE27
+#define FIQ_VICSOURCE28		INT_VICSOURCE28
+#define FIQ_VICSOURCE29		INT_VICSOURCE29
+#define FIQ_VICSOURCE30		INT_VICSOURCE30
+#define FIQ_VICSOURCE31		INT_VICSOURCE31
+
+
+#define FIQMASK_WDOGINT		INTMASK_WDOGINT
+#define FIQMASK_SOFTINT		INTMASK_SOFTINT
+#define FIQMASK_COMMRx 		INTMASK_COMMRx
+#define FIQMASK_COMMTx 		INTMASK_COMMTx
+#define FIQMASK_TIMERINT0_1	INTMASK_TIMERINT0_1
+#define FIQMASK_TIMERINT2_3	INTMASK_TIMERINT2_3
+#define FIQMASK_GPIOINT0	INTMASK_GPIOINT0
+#define FIQMASK_GPIOINT1	INTMASK_GPIOINT1
+#define FIQMASK_GPIOINT2	INTMASK_GPIOINT2
+#define FIQMASK_GPIOINT3	INTMASK_GPIOINT3
+#define FIQMASK_RTCINT 		INTMASK_RTCINT
+#define FIQMASK_SSPINT 		INTMASK_SSPINT
+#define FIQMASK_UARTINT0	INTMASK_UARTINT0
+#define FIQMASK_UARTINT1	INTMASK_UARTINT1
+#define FIQMASK_UARTINT2	INTMASK_UARTINT2
+#define FIQMASK_SCIINT 		INTMASK_SCIINT
+#define FIQMASK_CLCDINT		INTMASK_CLCDINT
+#define FIQMASK_DMAINT 		INTMASK_DMAINT
+#define FIQMASK_PWRFAILINT	INTMASK_PWRFAILINT
+#define FIQMASK_MBXINT 		INTMASK_MBXINT
+#define FIQMASK_GNDINT 		INTMASK_GNDINT
+#define FIQMASK_VICSOURCE21	INTMASK_VICSOURCE21
+#define FIQMASK_VICSOURCE22	INTMASK_VICSOURCE22
+#define FIQMASK_VICSOURCE23	INTMASK_VICSOURCE23
+#define FIQMASK_VICSOURCE24	INTMASK_VICSOURCE24
+#define FIQMASK_VICSOURCE25	INTMASK_VICSOURCE25
+#define FIQMASK_VICSOURCE26	INTMASK_VICSOURCE26
+#define FIQMASK_VICSOURCE27	INTMASK_VICSOURCE27
+#define FIQMASK_VICSOURCE28	INTMASK_VICSOURCE28
+#define FIQMASK_VICSOURCE29	INTMASK_VICSOURCE29
+#define FIQMASK_VICSOURCE30	INTMASK_VICSOURCE30
+#define FIQMASK_VICSOURCE31	INTMASK_VICSOURCE31
+
+/*
+ * Secondary interrupt controller
+ */
+#define IRQ_SIC_START		32
+#define IRQ_SIC_MMCI0B 		(IRQ_SIC_START + SIC_INT_MMCI0B)
+#define IRQ_SIC_MMCI1B 		(IRQ_SIC_START + SIC_INT_MMCI1B)
+#define IRQ_SIC_KMI0		(IRQ_SIC_START + SIC_INT_KMI0)
+#define IRQ_SIC_KMI1		(IRQ_SIC_START + SIC_INT_KMI1)
+#define IRQ_SIC_SCI3		(IRQ_SIC_START + SIC_INT_SCI3)
+#define IRQ_SIC_UART3		(IRQ_SIC_START + SIC_INT_UART3)
+#define IRQ_SIC_CLCD		(IRQ_SIC_START + SIC_INT_CLCD)
+#define IRQ_SIC_TOUCH		(IRQ_SIC_START + SIC_INT_TOUCH)
+#define IRQ_SIC_KEYPAD 		(IRQ_SIC_START + SIC_INT_KEYPAD)
+#define IRQ_SIC_DoC		(IRQ_SIC_START + SIC_INT_DoC)
+#define IRQ_SIC_MMCI0A 		(IRQ_SIC_START + SIC_INT_MMCI0A)
+#define IRQ_SIC_MMCI1A 		(IRQ_SIC_START + SIC_INT_MMCI1A)
+#define IRQ_SIC_AACI		(IRQ_SIC_START + SIC_INT_AACI)
+#define IRQ_SIC_ETH		(IRQ_SIC_START + SIC_INT_ETH)
+#define IRQ_SIC_USB		(IRQ_SIC_START + SIC_INT_USB)
+#define IRQ_SIC_PCI0		(IRQ_SIC_START + SIC_INT_PCI0)
+#define IRQ_SIC_PCI1		(IRQ_SIC_START + SIC_INT_PCI1)
+#define IRQ_SIC_PCI2		(IRQ_SIC_START + SIC_INT_PCI2)
+#define IRQ_SIC_PCI3		(IRQ_SIC_START + SIC_INT_PCI3)
+#define IRQ_SIC_END		63
+
+#define SIC_IRQMASK_MMCI0B	SIC_INTMASK_MMCI0B
+#define SIC_IRQMASK_MMCI1B	SIC_INTMASK_MMCI1B
+#define SIC_IRQMASK_KMI0	SIC_INTMASK_KMI0
+#define SIC_IRQMASK_KMI1	SIC_INTMASK_KMI1
+#define SIC_IRQMASK_SCI3	SIC_INTMASK_SCI3
+#define SIC_IRQMASK_UART3	SIC_INTMASK_UART3
+#define SIC_IRQMASK_CLCD	SIC_INTMASK_CLCD
+#define SIC_IRQMASK_TOUCH	SIC_INTMASK_TOUCH
+#define SIC_IRQMASK_KEYPAD	SIC_INTMASK_KEYPAD
+#define SIC_IRQMASK_DoC		SIC_INTMASK_DoC
+#define SIC_IRQMASK_MMCI0A	SIC_INTMASK_MMCI0A
+#define SIC_IRQMASK_MMCI1A	SIC_INTMASK_MMCI1A
+#define SIC_IRQMASK_AACI	SIC_INTMASK_AACI
+#define SIC_IRQMASK_ETH		SIC_INTMASK_ETH
+#define SIC_IRQMASK_USB		SIC_INTMASK_USB
+#define SIC_IRQMASK_PCI0	SIC_INTMASK_PCI0
+#define SIC_IRQMASK_PCI1	SIC_INTMASK_PCI1
+#define SIC_IRQMASK_PCI2	SIC_INTMASK_PCI2
+#define SIC_IRQMASK_PCI3	SIC_INTMASK_PCI3
+
+#define NR_IRQS			64

include/asm-arm/arch-versatile/memory.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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_MMU_H
+#define __ASM_ARCH_MMU_H
+
+/*
+ * Task size: 3GB
+ */
+#define TASK_SIZE	(0xbf000000UL)
+#define TASK_SIZE_26	(0x04000000UL)
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+#define TASK_UNMAPPED_BASE (0x40000000)
+
+/*
+ * Page offset: 3GB
+ */
+#define PAGE_OFFSET	(0xc0000000UL)
+#define PHYS_OFFSET	(0x00000000UL)
+
+/*
+ * On Versatile PB, the dram is contiguous
+ */
+#define __virt_to_phys__is_a_macro
+#define __virt_to_phys(vpage) ((vpage) - PAGE_OFFSET)
+#define __phys_to_virt__is_a_macro
+#define __phys_to_virt(ppage) ((ppage) + PAGE_OFFSET)
+
+/*
+ * 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__is_a_macro
+#define __virt_to_bus(x)	((x) - PAGE_OFFSET)
+#define __bus_to_virt__is_a_macro
+#define __bus_to_virt(x)	((x) + PAGE_OFFSET)
+
+#endif

include/asm-arm/arch-versatile/param.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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
+ */

include/asm-arm/arch-versatile/serial.h

+/*
+ *  linux/include/asm-arm/arch-versatile/serial.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_SERIAL_H
+#define __ASM_ARCH_SERIAL_H
+
+/*
+ * This assumes you have a 14.7456 MHz clock UART.
+ */
+#define BASE_BAUD 115200
+
+     /* UART CLK        PORT  IRQ     FLAGS        */
+#define STD_SERIAL_PORT_DEFNS \
+	{ 0, BASE_BAUD, 0, 0, ASYNC_SKIP_TEST },	/* ttyS0 */	\
+	{ 0, BASE_BAUD, 0, 0, ASYNC_SKIP_TEST },	/* ttyS1 */     \
+	{ 0, BASE_BAUD, 0, 0, ASYNC_SKIP_TEST },	/* ttyS2 */	\
+	{ 0, BASE_BAUD, 0, 0, ASYNC_SKIP_TEST },	/* ttyS3 */
+
+#define EXTRA_SERIAL_PORT_DEFNS
+
+#endif

include/asm-arm/arch-versatile/system.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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(VERSATILE_SYS_BASE) + VERSATILE_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 |= VERSATILE_SYS_CTRL_RESET_CONFIGCLR;
+	__raw_writel(val, hdr_ctrl);
+}
+
+#endif

include/asm-arm/arch-versatile/time.h

+/*
+ *  linux/include/asm-arm/arch-versatile/time.h
+ *
+ * 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/system.h>
+#include <asm/leds.h>
+
+/*
+ * Where is the timer (VA)?
+ */
+#define TIMER0_VA_BASE		 IO_ADDRESS(VERSATILE_TIMER0_1_BASE)
+#define TIMER1_VA_BASE		(IO_ADDRESS(VERSATILE_TIMER0_1_BASE) + 0x20)
+#define TIMER2_VA_BASE		 IO_ADDRESS(VERSATILE_TIMER2_3_BASE)
+#define TIMER3_VA_BASE		(IO_ADDRESS(VERSATILE_TIMER2_3_BASE) + 0x20)
+#define VA_IC_BASE		 IO_ADDRESS(VERSATILE_VIC_BASE) 
+
+/*
+ * How long is the timer interval?
+ */
+#define TIMER_INTERVAL	(TICKS_PER_uSEC * mSEC_10)
+#if TIMER_INTERVAL >= 0x100000
+#define TIMER_RELOAD	(TIMER_INTERVAL >> 8)		/* Divide by 256 */
+#define TIMER_CTRL	0x88				/* Enable, Clock / 256 */
+#define TICKS2USECS(x)	(256 * (x) / TICKS_PER_uSEC)
+#elif TIMER_INTERVAL >= 0x10000
+#define TIMER_RELOAD	(TIMER_INTERVAL >> 4)		/* Divide by 16 */
+#define TIMER_CTRL	0x84				/* Enable, Clock / 16 */
+#define TICKS2USECS(x)	(16 * (x) / TICKS_PER_uSEC)
+#else
+#define TIMER_RELOAD	(TIMER_INTERVAL)
+#define TIMER_CTRL	0x80				/* Enable */
+#define TICKS2USECS(x)	((x) / TICKS_PER_uSEC)
+#endif
+
+#define TIMER_CTRL_IE	(1 << 5)	/* Interrupt Enable */
+
+/*
+ * What does it look like?
+ */
+typedef struct TimerStruct {
+	unsigned long TimerLoad;
+	unsigned long TimerValue;
+	unsigned long TimerControl;
+	unsigned long TimerClear;
+} TimerStruct_t;
+
+extern unsigned long (*gettimeoffset)(void);
+
+/*
+ * Returns number of ms since last clock interrupt.  Note that interrupts
+ * will have been disabled by do_gettimeoffset()
+ */
+static unsigned long versatile_gettimeoffset(void)
+{
+	volatile TimerStruct_t *timer0 = (TimerStruct_t *)TIMER0_VA_BASE;
+	unsigned long ticks1, ticks2, status;
+
+	/*
+	 * Get the current number of ticks.  Note that there is a race
+	 * condition between us reading the timer and checking for
+	 * an interrupt.  We get around this by ensuring that the
+	 * counter has not reloaded between our two reads.
+	 */
+	ticks2 = timer0->TimerValue & 0xffff;
+	do {
+		ticks1 = ticks2;
+		status = __raw_readl(VA_IC_BASE + VIC_IRQ_RAW_STATUS);
+		ticks2 = timer0->TimerValue & 0xffff;
+	} while (ticks2 > ticks1);
+
+	/*
+	 * Number of ticks since last interrupt.
+	 */
+	ticks1 = TIMER_RELOAD - ticks2;
+
+	/*
+	 * Interrupt pending?  If so, we've reloaded once already.
+	 *
+	 * FIXME: Need to check this is effectively timer 0 that expires
+	 */
+	if (status & IRQMASK_TIMERINT0_1)
+		ticks1 += TIMER_RELOAD;
+
+	/*
+	 * Convert the ticks to usecs
+	 */
+	return TICKS2USECS(ticks1);
+}
+
+/*
+ * IRQ handler for the timer
+ */
+static irqreturn_t versatile_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	volatile TimerStruct_t *timer0 = (volatile TimerStruct_t *)TIMER0_VA_BASE;
+
+	// ...clear the interrupt
+	timer0->TimerClear = 1;
+
+	do_leds();
+	do_timer(regs);
+	do_profile(regs);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * Set up timer interrupt, and return the current time in seconds.
+ */
+void __init time_init(void)
+{
+	volatile TimerStruct_t *timer0 = (volatile TimerStruct_t *)TIMER0_VA_BASE;
+	volatile TimerStruct_t *timer1 = (volatile TimerStruct_t *)TIMER1_VA_BASE;
+	volatile TimerStruct_t *timer2 = (volatile TimerStruct_t *)TIMER2_VA_BASE;
+	volatile TimerStruct_t *timer3 = (volatile TimerStruct_t *)TIMER3_VA_BASE;
+
+	/* 
+	 * set clock frequency: 
+	 *	VERSATILE_REFCLK is 32KHz
+	 *	VERSATILE_TIMCLK is 1MHz
+	 */
+	*(volatile unsigned int *)IO_ADDRESS(VERSATILE_SCTL_BASE) |= 
+	  ((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) | 
+	   (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel));
+
+	timer_irq.handler = versatile_timer_interrupt;
+
+	/*
+	 * Initialise to a known state (all timers off)
+	 */
+	timer0->TimerControl = 0;
+	timer1->TimerControl = 0;
+	timer2->TimerControl = 0;
+	timer3->TimerControl = 0;
+
+	timer0->TimerLoad    = TIMER_RELOAD;
+	timer0->TimerValue   = TIMER_RELOAD;
+	timer0->TimerControl = TIMER_CTRL | 0x40 | TIMER_CTRL_IE;  /* periodic + IE */
+
+	/* 
+	 * Make irqs happen for the system timer
+	 */
+	setup_irq(IRQ_TIMERINT0_1, &timer_irq);
+	gettimeoffset = versatile_gettimeoffset;
+}

include/asm-arm/arch-versatile/timex.h

+/*
+ *  linux/include/asm-arm/arch-versatile/timex.h
+ *
+ *  Versatile PB 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)

include/asm-arm/arch-versatile/uncompress.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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 <linux/kernel.h>
+
+#define AMBA_UART_DR	(*(volatile unsigned char *)0x101F1000)
+#define AMBA_UART_LCRH	(*(volatile unsigned char *)0x101F102C)
+#define AMBA_UART_CR	(*(volatile unsigned char *)0x101F1030)
+#define AMBA_UART_FR	(*(volatile unsigned char *)0x101F1018)
+
+/*
+ * This does not append a newline
+ */
+static void puts(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()

include/asm-arm/arch-versatile/vmalloc.h

+/*
+ *  linux/include/asm-arm/arch-versatile/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
+ */
+
+/*
+ * Just any arbitrary offset to the start of the vmalloc VM area: the
+ * current 8MB value just means that there will be a 8MB "hole" after the
+ * physical memory until the kernel virtual memory starts.  That means that
+ * any out-of-bounds memory accesses will hopefully be caught.
+ * The vmalloc() routines leaves a hole of 4kB between each vmalloced
+ * area for the same reason. ;)
+ */
+#define VMALLOC_OFFSET		(8*1024*1024)
+#define VMALLOC_START		(((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
+#define VMALLOC_VMADDR(x)	((unsigned long)(x))
+#define VMALLOC_END		(PAGE_OFFSET + 0x18000000)