summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ixp2000/include/mach
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ixp2000/include/mach')
-rw-r--r--arch/arm/mach-ixp2000/include/mach/debug-macro.S27
-rw-r--r--arch/arm/mach-ixp2000/include/mach/dma.h9
-rw-r--r--arch/arm/mach-ixp2000/include/mach/enp2611.h46
-rw-r--r--arch/arm/mach-ixp2000/include/mach/entry-macro.S60
-rw-r--r--arch/arm/mach-ixp2000/include/mach/gpio.h48
-rw-r--r--arch/arm/mach-ixp2000/include/mach/hardware.h44
-rw-r--r--arch/arm/mach-ixp2000/include/mach/io.h134
-rw-r--r--arch/arm/mach-ixp2000/include/mach/irqs.h207
-rw-r--r--arch/arm/mach-ixp2000/include/mach/ixdp2x00.h92
-rw-r--r--arch/arm/mach-ixp2000/include/mach/ixdp2x01.h57
-rw-r--r--arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h457
-rw-r--r--arch/arm/mach-ixp2000/include/mach/memory.h34
-rw-r--r--arch/arm/mach-ixp2000/include/mach/platform.h152
-rw-r--r--arch/arm/mach-ixp2000/include/mach/system.h49
-rw-r--r--arch/arm/mach-ixp2000/include/mach/timex.h13
-rw-r--r--arch/arm/mach-ixp2000/include/mach/uncompress.h47
-rw-r--r--arch/arm/mach-ixp2000/include/mach/vmalloc.h20
17 files changed, 1496 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp2000/include/mach/debug-macro.S b/arch/arm/mach-ixp2000/include/mach/debug-macro.S
new file mode 100644
index 00000000000..904ff56d224
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/debug-macro.S
@@ -0,0 +1,27 @@
+/* arch/arm/mach-ixp2000/include/mach/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.
+ *
+*/
+
+ .macro addruart,rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0xc0000000 @ Physical base
+ movne \rx, #0xfe000000 @ virtual base
+ orrne \rx, \rx, #0x00f00000
+ orr \rx, \rx, #0x00030000
+#ifdef __ARMEB__
+ orr \rx, \rx, #0x00000003
+#endif
+ .endm
+
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/mach-ixp2000/include/mach/dma.h b/arch/arm/mach-ixp2000/include/mach/dma.h
new file mode 100644
index 00000000000..26063d60f62
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/dma.h
@@ -0,0 +1,9 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/dma.h
+ *
+ * Copyright (C) 2002 Intel Corp.
+ *
+ * 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.
+ */
diff --git a/arch/arm/mach-ixp2000/include/mach/enp2611.h b/arch/arm/mach-ixp2000/include/mach/enp2611.h
new file mode 100644
index 00000000000..9ce3690061d
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/enp2611.h
@@ -0,0 +1,46 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/enp2611.h
+ *
+ * Register and other defines for Radisys ENP-2611
+ *
+ * Created 2004 by Lennert Buytenhek from the ixdp2x01 code. The
+ * original version carries the following notices:
+ *
+ * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright (C) 2002 Intel Corp.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+
+#ifndef __ENP2611_H
+#define __ENP2611_H
+
+#define ENP2611_CALEB_PHYS_BASE 0xc5000000
+#define ENP2611_CALEB_VIRT_BASE 0xfe000000
+#define ENP2611_CALEB_SIZE 0x00100000
+
+#define ENP2611_PM3386_0_PHYS_BASE 0xc6000000
+#define ENP2611_PM3386_0_VIRT_BASE 0xfe100000
+#define ENP2611_PM3386_0_SIZE 0x00100000
+
+#define ENP2611_PM3386_1_PHYS_BASE 0xc6400000
+#define ENP2611_PM3386_1_VIRT_BASE 0xfe200000
+#define ENP2611_PM3386_1_SIZE 0x00100000
+
+#define ENP2611_GPIO_SCL 7
+#define ENP2611_GPIO_SDA 6
+
+#define IRQ_ENP2611_THERMAL IRQ_IXP2000_GPIO4
+#define IRQ_ENP2611_OPTION_BOARD IRQ_IXP2000_GPIO3
+#define IRQ_ENP2611_CALEB IRQ_IXP2000_GPIO2
+#define IRQ_ENP2611_PM3386_1 IRQ_IXP2000_GPIO1
+#define IRQ_ENP2611_PM3386_0 IRQ_IXP2000_GPIO0
+
+
+#endif
diff --git a/arch/arm/mach-ixp2000/include/mach/entry-macro.S b/arch/arm/mach-ixp2000/include/mach/entry-macro.S
new file mode 100644
index 00000000000..5850ffc8c75
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/entry-macro.S
@@ -0,0 +1,60 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for IXP2000-based 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 <mach/irqs.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+ mov \irqnr, #0x0 @clear out irqnr as default
+ mov \base, #0xfe000000
+ orr \base, \base, #0x00e00000
+ orr \base, \base, #0x08
+ ldr \irqstat, [\base] @ get interrupts
+
+ cmp \irqstat, #0
+ beq 1001f
+
+ clz \irqnr, \irqstat
+ mov \base, #31
+ subs \irqnr, \base, \irqnr
+
+ /*
+ * We handle PCIA and PCIB here so we don't have an
+ * extra layer of code just to check these two bits.
+ */
+ cmp \irqnr, #IRQ_IXP2000_PCI
+ bne 1001f
+
+ mov \base, #0xfe000000
+ orr \base, \base, #0x00c00000
+ orr \base, \base, #0x00000100
+ orr \base, \base, #0x00000058
+ ldr \irqstat, [\base]
+
+ mov \tmp, #(1<<26)
+ tst \irqstat, \tmp
+ movne \irqnr, #IRQ_IXP2000_PCIA
+ bne 1001f
+
+ mov \tmp, #(1<<27)
+ tst \irqstat, \tmp
+ movne \irqnr, #IRQ_IXP2000_PCIB
+
+1001:
+ .endm
+
diff --git a/arch/arm/mach-ixp2000/include/mach/gpio.h b/arch/arm/mach-ixp2000/include/mach/gpio.h
new file mode 100644
index 00000000000..4a88d2c33da
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/gpio.h
@@ -0,0 +1,48 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/gpio.h
+ *
+ * Copyright (C) 2002 Intel Corporation.
+ *
+ * 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.
+ */
+
+/*
+ * IXP2000 GPIO in/out, edge/level detection for IRQs:
+ * IRQs are generated on Falling-edge, Rising-Edge, Level-low, Level-High
+ * or both Falling-edge and Rising-edge.
+ * This must be called *before* the corresponding IRQ is registerd.
+ * Use this instead of directly setting the GPIO registers.
+ * GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb)
+ */
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
+
+#ifndef __ASSEMBLY__
+
+#define GPIO_IN 0
+#define GPIO_OUT 1
+
+#define IXP2000_GPIO_LOW 0
+#define IXP2000_GPIO_HIGH 1
+
+extern void gpio_line_config(int line, int direction);
+
+static inline int gpio_line_get(int line)
+{
+ return (((*IXP2000_GPIO_PLR) >> line) & 1);
+}
+
+static inline void gpio_line_set(int line, int value)
+{
+ if (value == IXP2000_GPIO_HIGH) {
+ ixp2000_reg_write(IXP2000_GPIO_POSR, 1 << line);
+ } else if (value == IXP2000_GPIO_LOW) {
+ ixp2000_reg_write(IXP2000_GPIO_POCR, 1 << line);
+ }
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* ASM_ARCH_IXP2000_GPIO_H_ */
diff --git a/arch/arm/mach-ixp2000/include/mach/hardware.h b/arch/arm/mach-ixp2000/include/mach/hardware.h
new file mode 100644
index 00000000000..f033de4e749
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/hardware.h
@@ -0,0 +1,44 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/hardware.h
+ *
+ * Hardware definitions for IXP2400/2800 based systems
+ *
+ * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com>
+ *
+ * Maintainer: Deepak Saxena <dsaxena@mvista.com>
+ *
+ * Copyright (C) 2001-2002 Intel Corp.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H__
+#define __ASM_ARCH_HARDWARE_H__
+
+/*
+ * This needs to be platform-specific?
+ */
+#define PCIBIOS_MIN_IO 0x00000000
+#define PCIBIOS_MIN_MEM 0x00000000
+
+#include "ixp2000-regs.h" /* Chipset Registers */
+
+#define pcibios_assign_all_busses() 0
+
+/*
+ * Platform helper functions
+ */
+#include "platform.h"
+
+/*
+ * Platform-specific bits
+ */
+#include "enp2611.h" /* ENP-2611 */
+#include "ixdp2x00.h" /* IXDP2400/2800 */
+#include "ixdp2x01.h" /* IXDP2401/2801 */
+
+#endif /* _ASM_ARCH_HARDWARE_H__ */
diff --git a/arch/arm/mach-ixp2000/include/mach/io.h b/arch/arm/mach-ixp2000/include/mach/io.h
new file mode 100644
index 00000000000..859e584914d
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/io.h
@@ -0,0 +1,134 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/io.h
+ *
+ * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com>
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright (C) 2002 Intel Corp.
+ * Copyrgiht (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#include <mach/hardware.h>
+
+#define IO_SPACE_LIMIT 0xffffffff
+#define __mem_pci(a) (a)
+
+/*
+ * The A? revisions of the IXP2000s assert byte lanes for PCI I/O
+ * transactions the other way round (MEM transactions don't have this
+ * issue), so if we want to support those models, we need to override
+ * the standard I/O functions.
+ *
+ * B0 and later have a bit that can be set to 1 to get the proper
+ * behavior for I/O transactions, which then allows us to use the
+ * standard I/O functions. This is what we do if the user does not
+ * explicitly ask for support for pre-B0.
+ */
+#ifdef CONFIG_IXP2000_SUPPORT_BROKEN_PCI_IO
+#define ___io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE))
+
+#define alignb(addr) (void __iomem *)((unsigned long)(addr) ^ 3)
+#define alignw(addr) (void __iomem *)((unsigned long)(addr) ^ 2)
+
+#define outb(v,p) __raw_writeb((v),alignb(___io(p)))
+#define outw(v,p) __raw_writew((v),alignw(___io(p)))
+#define outl(v,p) __raw_writel((v),___io(p))
+
+#define inb(p) ({ unsigned int __v = __raw_readb(alignb(___io(p))); __v; })
+#define inw(p) \
+ ({ unsigned int __v = (__raw_readw(alignw(___io(p)))); __v; })
+#define inl(p) \
+ ({ unsigned int __v = (__raw_readl(___io(p))); __v; })
+
+#define outsb(p,d,l) __raw_writesb(alignb(___io(p)),d,l)
+#define outsw(p,d,l) __raw_writesw(alignw(___io(p)),d,l)
+#define outsl(p,d,l) __raw_writesl(___io(p),d,l)
+
+#define insb(p,d,l) __raw_readsb(alignb(___io(p)),d,l)
+#define insw(p,d,l) __raw_readsw(alignw(___io(p)),d,l)
+#define insl(p,d,l) __raw_readsl(___io(p),d,l)
+
+#define __is_io_address(p) ((((unsigned long)(p)) & ~(IXP2000_PCI_IO_SIZE - 1)) == IXP2000_PCI_IO_VIRT_BASE)
+
+#define ioread8(p) \
+ ({ \
+ unsigned int __v; \
+ \
+ if (__is_io_address(p)) { \
+ __v = __raw_readb(alignb(p)); \
+ } else { \
+ __v = __raw_readb(p); \
+ } \
+ \
+ __v; \
+ }) \
+
+#define ioread16(p) \
+ ({ \
+ unsigned int __v; \
+ \
+ if (__is_io_address(p)) { \
+ __v = __raw_readw(alignw(p)); \
+ } else { \
+ __v = le16_to_cpu(__raw_readw(p)); \
+ } \
+ \
+ __v; \
+ })
+
+#define ioread32(p) \
+ ({ \
+ unsigned int __v; \
+ \
+ if (__is_io_address(p)) { \
+ __v = __raw_readl(p); \
+ } else { \
+ __v = le32_to_cpu(__raw_readl(p)); \
+ } \
+ \
+ __v; \
+ })
+
+#define iowrite8(v,p) \
+ ({ \
+ if (__is_io_address(p)) { \
+ __raw_writeb((v), alignb(p)); \
+ } else { \
+ __raw_writeb((v), p); \
+ } \
+ })
+
+#define iowrite16(v,p) \
+ ({ \
+ if (__is_io_address(p)) { \
+ __raw_writew((v), alignw(p)); \
+ } else { \
+ __raw_writew(cpu_to_le16(v), p); \
+ } \
+ })
+
+#define iowrite32(v,p) \
+ ({ \
+ if (__is_io_address(p)) { \
+ __raw_writel((v), p); \
+ } else { \
+ __raw_writel(cpu_to_le32(v), p); \
+ } \
+ })
+
+#define ioport_map(port, nr) ___io(port)
+
+#define ioport_unmap(addr)
+#else
+#define __io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE))
+#endif
+
+
+#endif
diff --git a/arch/arm/mach-ixp2000/include/mach/irqs.h b/arch/arm/mach-ixp2000/include/mach/irqs.h
new file mode 100644
index 00000000000..bee96bcafdc
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/irqs.h
@@ -0,0 +1,207 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/irqs.h
+ *
+ * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright (C) 2002 Intel Corp.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+
+#ifndef _IRQS_H
+#define _IRQS_H
+
+/*
+ * Do NOT add #ifdef MACHINE_FOO in here.
+ * Simpy add your machine IRQs here and increase NR_IRQS if needed to
+ * hold your machine's IRQ table.
+ */
+
+/*
+ * Some interrupt numbers go unused b/c the IRQ mask/ummask/status
+ * register has those bit reserved. We just mark those interrupts
+ * as invalid and this allows us to do mask/unmask with a single
+ * shift operation instead of having to map the IRQ number to
+ * a HW IRQ number.
+ */
+#define IRQ_IXP2000_SOFT_INT 0 /* soft interrupt */
+#define IRQ_IXP2000_ERRSUM 1 /* OR of all bits in ErrorStatus reg*/
+#define IRQ_IXP2000_UART 2
+#define IRQ_IXP2000_GPIO 3
+#define IRQ_IXP2000_TIMER1 4
+#define IRQ_IXP2000_TIMER2 5
+#define IRQ_IXP2000_TIMER3 6
+#define IRQ_IXP2000_TIMER4 7
+#define IRQ_IXP2000_PMU 8
+#define IRQ_IXP2000_SPF 9 /* Slow port framer IRQ */
+#define IRQ_IXP2000_DMA1 10
+#define IRQ_IXP2000_DMA2 11
+#define IRQ_IXP2000_DMA3 12
+#define IRQ_IXP2000_PCI_DOORBELL 13
+#define IRQ_IXP2000_ME_ATTN 14
+#define IRQ_IXP2000_PCI 15 /* PCI INTA or INTB */
+#define IRQ_IXP2000_THDA0 16 /* thread 0-31A */
+#define IRQ_IXP2000_THDA1 17 /* thread 32-63A, IXP2800 only */
+#define IRQ_IXP2000_THDA2 18 /* thread 64-95A */
+#define IRQ_IXP2000_THDA3 19 /* thread 96-127A, IXP2800 only */
+#define IRQ_IXP2000_THDB0 24 /* thread 0-31B */
+#define IRQ_IXP2000_THDB1 25 /* thread 32-63B, IXP2800 only */
+#define IRQ_IXP2000_THDB2 26 /* thread 64-95B */
+#define IRQ_IXP2000_THDB3 27 /* thread 96-127B, IXP2800 only */
+
+/* define generic GPIOs */
+#define IRQ_IXP2000_GPIO0 32
+#define IRQ_IXP2000_GPIO1 33
+#define IRQ_IXP2000_GPIO2 34
+#define IRQ_IXP2000_GPIO3 35
+#define IRQ_IXP2000_GPIO4 36
+#define IRQ_IXP2000_GPIO5 37
+#define IRQ_IXP2000_GPIO6 38
+#define IRQ_IXP2000_GPIO7 39
+
+/* split off the 2 PCI sources */
+#define IRQ_IXP2000_PCIA 40
+#define IRQ_IXP2000_PCIB 41
+
+/* Int sources from IRQ_ERROR_STATUS */
+#define IRQ_IXP2000_DRAM0_MIN_ERR 42
+#define IRQ_IXP2000_DRAM0_MAJ_ERR 43
+#define IRQ_IXP2000_DRAM1_MIN_ERR 44
+#define IRQ_IXP2000_DRAM1_MAJ_ERR 45
+#define IRQ_IXP2000_DRAM2_MIN_ERR 46
+#define IRQ_IXP2000_DRAM2_MAJ_ERR 47
+/* 48-57 reserved */
+#define IRQ_IXP2000_SRAM0_ERR 58
+#define IRQ_IXP2000_SRAM1_ERR 59
+#define IRQ_IXP2000_SRAM2_ERR 60
+#define IRQ_IXP2000_SRAM3_ERR 61
+/* 62-65 reserved */
+#define IRQ_IXP2000_MEDIA_ERR 66
+#define IRQ_IXP2000_PCI_ERR 67
+#define IRQ_IXP2000_SP_INT 68
+
+#define NR_IXP2000_IRQS 69
+
+#define IXP2000_BOARD_IRQ(x) (NR_IXP2000_IRQS + (x))
+
+#define IXP2000_BOARD_IRQ_MASK(irq) (1 << (irq - NR_IXP2000_IRQS))
+
+#define IXP2000_ERR_IRQ_MASK(irq) ( 1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR))
+#define IXP2000_VALID_ERR_IRQ_MASK (\
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM0_MIN_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM0_MAJ_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM1_MIN_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM1_MAJ_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM2_MIN_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM2_MAJ_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM0_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM1_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM2_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM3_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_MEDIA_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_PCI_ERR) | \
+ IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SP_INT) )
+
+/*
+ * This allows for all the on-chip sources plus up to 32 CPLD based
+ * IRQs. Should be more than enough.
+ */
+#define IXP2000_BOARD_IRQS 32
+#define NR_IRQS (NR_IXP2000_IRQS + IXP2000_BOARD_IRQS)
+
+
+/*
+ * IXDP2400 specific IRQs
+ */
+#define IRQ_IXDP2400_INGRESS_NPU IXP2000_BOARD_IRQ(0)
+#define IRQ_IXDP2400_ENET IXP2000_BOARD_IRQ(1)
+#define IRQ_IXDP2400_MEDIA_PCI IXP2000_BOARD_IRQ(2)
+#define IRQ_IXDP2400_MEDIA_SP IXP2000_BOARD_IRQ(3)
+#define IRQ_IXDP2400_SF_PCI IXP2000_BOARD_IRQ(4)
+#define IRQ_IXDP2400_SF_SP IXP2000_BOARD_IRQ(5)
+#define IRQ_IXDP2400_PMC IXP2000_BOARD_IRQ(6)
+#define IRQ_IXDP2400_TVM IXP2000_BOARD_IRQ(7)
+
+#define NR_IXDP2400_IRQS ((IRQ_IXDP2400_TVM)+1)
+#define IXDP2400_NR_IRQS NR_IXDP2400_IRQS - NR_IXP2000_IRQS
+
+/* IXDP2800 specific IRQs */
+#define IRQ_IXDP2800_EGRESS_ENET IXP2000_BOARD_IRQ(0)
+#define IRQ_IXDP2800_INGRESS_NPU IXP2000_BOARD_IRQ(1)
+#define IRQ_IXDP2800_PMC IXP2000_BOARD_IRQ(2)
+#define IRQ_IXDP2800_FABRIC_PCI IXP2000_BOARD_IRQ(3)
+#define IRQ_IXDP2800_FABRIC IXP2000_BOARD_IRQ(4)
+#define IRQ_IXDP2800_MEDIA IXP2000_BOARD_IRQ(5)
+
+#define NR_IXDP2800_IRQS ((IRQ_IXDP2800_MEDIA)+1)
+#define IXDP2800_NR_IRQS NR_IXDP2800_IRQS - NR_IXP2000_IRQS
+
+/*
+ * IRQs on both IXDP2x01 boards
+ */
+#define IRQ_IXDP2X01_SPCI_DB_0 IXP2000_BOARD_IRQ(2)
+#define IRQ_IXDP2X01_SPCI_DB_1 IXP2000_BOARD_IRQ(3)
+#define IRQ_IXDP2X01_SPCI_PMC_INTA IXP2000_BOARD_IRQ(4)
+#define IRQ_IXDP2X01_SPCI_PMC_INTB IXP2000_BOARD_IRQ(5)
+#define IRQ_IXDP2X01_SPCI_PMC_INTC IXP2000_BOARD_IRQ(6)
+#define IRQ_IXDP2X01_SPCI_PMC_INTD IXP2000_BOARD_IRQ(7)
+#define IRQ_IXDP2X01_SPCI_FIC_INT IXP2000_BOARD_IRQ(8)
+#define IRQ_IXDP2X01_IPMI_FROM IXP2000_BOARD_IRQ(16)
+#define IRQ_IXDP2X01_125US IXP2000_BOARD_IRQ(17)
+#define IRQ_IXDP2X01_DB_0_ADD IXP2000_BOARD_IRQ(18)
+#define IRQ_IXDP2X01_DB_1_ADD IXP2000_BOARD_IRQ(19)
+#define IRQ_IXDP2X01_UART1 IXP2000_BOARD_IRQ(21)
+#define IRQ_IXDP2X01_UART2 IXP2000_BOARD_IRQ(22)
+#define IRQ_IXDP2X01_FIC_ADD_INT IXP2000_BOARD_IRQ(24)
+#define IRQ_IXDP2X01_CS8900 IXP2000_BOARD_IRQ(25)
+#define IRQ_IXDP2X01_BBSRAM IXP2000_BOARD_IRQ(26)
+
+#define IXDP2X01_VALID_IRQ_MASK ( \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_DB_0) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_DB_1) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTA) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTB) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTC) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTD) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_FIC_INT) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_IPMI_FROM) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_125US) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_DB_0_ADD) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_DB_1_ADD) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_UART1) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_UART2) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_FIC_ADD_INT) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_CS8900) | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_BBSRAM) )
+
+/*
+ * IXDP2401 specific IRQs
+ */
+#define IRQ_IXDP2401_INTA_82546 IXP2000_BOARD_IRQ(0)
+#define IRQ_IXDP2401_INTB_82546 IXP2000_BOARD_IRQ(1)
+
+#define IXDP2401_VALID_IRQ_MASK ( \
+ IXDP2X01_VALID_IRQ_MASK | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2401_INTA_82546) |\
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2401_INTB_82546))
+
+/*
+ * IXDP2801-specific IRQs
+ */
+#define IRQ_IXDP2801_RIV IXP2000_BOARD_IRQ(0)
+#define IRQ_IXDP2801_CNFG_MEDIA IXP2000_BOARD_IRQ(27)
+#define IRQ_IXDP2801_CLOCK_REF IXP2000_BOARD_IRQ(28)
+
+#define IXDP2801_VALID_IRQ_MASK ( \
+ IXDP2X01_VALID_IRQ_MASK | \
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_RIV) |\
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_CNFG_MEDIA) |\
+ IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_CLOCK_REF))
+
+#define NR_IXDP2X01_IRQS ((IRQ_IXDP2801_CLOCK_REF) + 1)
+
+#endif /*_IRQS_H*/
diff --git a/arch/arm/mach-ixp2000/include/mach/ixdp2x00.h b/arch/arm/mach-ixp2000/include/mach/ixdp2x00.h
new file mode 100644
index 00000000000..5df8479d948
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/ixdp2x00.h
@@ -0,0 +1,92 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/ixdp2x00.h
+ *
+ * Register and other defines for IXDP2[48]00 platforms
+ *
+ * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright (C) 2002 Intel Corp.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+#ifndef _IXDP2X00_H_
+#define _IXDP2X00_H_
+
+/*
+ * On board CPLD memory map
+ */
+#define IXDP2X00_PHYS_CPLD_BASE 0xc7000000
+#define IXDP2X00_VIRT_CPLD_BASE 0xfe000000
+#define IXDP2X00_CPLD_SIZE 0x00100000
+
+
+#define IXDP2X00_CPLD_REG(x) \
+ (volatile unsigned long *)(IXDP2X00_VIRT_CPLD_BASE | x)
+
+/*
+ * IXDP2400 CPLD registers
+ */
+#define IXDP2400_CPLD_SYSLED IXDP2X00_CPLD_REG(0x0)
+#define IXDP2400_CPLD_DISP_DATA IXDP2X00_CPLD_REG(0x4)
+#define IXDP2400_CPLD_CLOCK_SPEED IXDP2X00_CPLD_REG(0x8)
+#define IXDP2400_CPLD_INT_STAT IXDP2X00_CPLD_REG(0xc)
+#define IXDP2400_CPLD_REV IXDP2X00_CPLD_REG(0x10)
+#define IXDP2400_CPLD_SYS_CLK_M IXDP2X00_CPLD_REG(0x14)
+#define IXDP2400_CPLD_SYS_CLK_N IXDP2X00_CPLD_REG(0x18)
+#define IXDP2400_CPLD_INT_MASK IXDP2X00_CPLD_REG(0x48)
+
+/*
+ * IXDP2800 CPLD registers
+ */
+#define IXDP2800_CPLD_INT_STAT IXDP2X00_CPLD_REG(0x0)
+#define IXDP2800_CPLD_INT_MASK IXDP2X00_CPLD_REG(0x140)
+
+
+#define IXDP2X00_GPIO_I2C_ENABLE 0x02
+#define IXDP2X00_GPIO_SCL 0x07
+#define IXDP2X00_GPIO_SDA 0x06
+
+/*
+ * PCI devfns for on-board devices. We need these to be able to
+ * properly translate IRQs and for device removal.
+ */
+#define IXDP2400_SLAVE_ENET_DEVFN 0x18 /* Bus 1 */
+#define IXDP2400_MASTER_ENET_DEVFN 0x20 /* Bus 1 */
+#define IXDP2400_MEDIA_DEVFN 0x28 /* Bus 1 */
+#define IXDP2400_SWITCH_FABRIC_DEVFN 0x30 /* Bus 1 */
+
+#define IXDP2800_SLAVE_ENET_DEVFN 0x20 /* Bus 1 */
+#define IXDP2800_MASTER_ENET_DEVFN 0x18 /* Bus 1 */
+#define IXDP2800_SWITCH_FABRIC_DEVFN 0x30 /* Bus 1 */
+
+#define IXDP2X00_P2P_DEVFN 0x20 /* Bus 0 */
+#define IXDP2X00_21555_DEVFN 0x30 /* Bus 0 */
+#define IXDP2X00_SLAVE_NPU_DEVFN 0x28 /* Bus 1 */
+#define IXDP2X00_PMC_DEVFN 0x38 /* Bus 1 */
+#define IXDP2X00_MASTER_NPU_DEVFN 0x38 /* Bus 1 */
+
+#ifndef __ASSEMBLY__
+/*
+ * The master NPU is always PCI master.
+ */
+static inline unsigned int ixdp2x00_master_npu(void)
+{
+ return !!ixp2000_is_pcimaster();
+}
+
+/*
+ * Helper functions used by ixdp2400 and ixdp2800 specific code
+ */
+void ixdp2x00_init_irq(volatile unsigned long*, volatile unsigned long *, unsigned long);
+void ixdp2x00_slave_pci_postinit(void);
+void ixdp2x00_init_machine(void);
+void ixdp2x00_map_io(void);
+
+#endif
+
+#endif /*_IXDP2X00_H_ */
diff --git a/arch/arm/mach-ixp2000/include/mach/ixdp2x01.h b/arch/arm/mach-ixp2000/include/mach/ixdp2x01.h
new file mode 100644
index 00000000000..4c1f04083e5
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/ixdp2x01.h
@@ -0,0 +1,57 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/ixdp2x01.h
+ *
+ * Platform definitions for IXDP2X01 && IXDP2801 systems
+ *
+ * Author: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright 2004 (c) MontaVista Software, Inc.
+ *
+ * Based on original code Copyright (c) 2002-2003 Intel Corporation
+ *
+ * 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.
+ */
+
+#ifndef __IXDP2X01_H__
+#define __IXDP2X01_H__
+
+#define IXDP2X01_PHYS_CPLD_BASE 0xc6024000
+#define IXDP2X01_VIRT_CPLD_BASE 0xfe000000
+#define IXDP2X01_CPLD_REGION_SIZE 0x00100000
+
+#define IXDP2X01_CPLD_VIRT_REG(reg) (volatile unsigned long*)(IXDP2X01_VIRT_CPLD_BASE | reg)
+#define IXDP2X01_CPLD_PHYS_REG(reg) (IXDP2X01_PHYS_CPLD_BASE | reg)
+
+#define IXDP2X01_UART1_VIRT_BASE IXDP2X01_CPLD_VIRT_REG(0x40)
+#define IXDP2X01_UART1_PHYS_BASE IXDP2X01_CPLD_PHYS_REG(0x40)
+
+#define IXDP2X01_UART2_VIRT_BASE IXDP2X01_CPLD_VIRT_REG(0x60)
+#define IXDP2X01_UART2_PHYS_BASE IXDP2X01_CPLD_PHYS_REG(0x60)
+
+#define IXDP2X01_CS8900_VIRT_BASE IXDP2X01_CPLD_VIRT_REG(0x80)
+#define IXDP2X01_CS8900_VIRT_END (IXDP2X01_CS8900_VIRT_BASE + 16)
+
+#define IXDP2X01_CPLD_RESET_REG IXDP2X01_CPLD_VIRT_REG(0x00)
+#define IXDP2X01_INT_MASK_SET_REG IXDP2X01_CPLD_VIRT_REG(0x08)
+#define IXDP2X01_INT_STAT_REG IXDP2X01_CPLD_VIRT_REG(0x0C)
+#define IXDP2X01_INT_RAW_REG IXDP2X01_CPLD_VIRT_REG(0x10)
+#define IXDP2X01_INT_MASK_CLR_REG IXDP2X01_INT_RAW_REG
+#define IXDP2X01_INT_SIM_REG IXDP2X01_CPLD_VIRT_REG(0x14)
+
+#define IXDP2X01_CPLD_FLASH_REG IXDP2X01_CPLD_VIRT_REG(0x20)
+
+#define IXDP2X01_CPLD_FLASH_INTERN 0x8000
+#define IXDP2X01_CPLD_FLASH_BANK_MASK 0xF
+#define IXDP2X01_FLASH_WINDOW_BITS 25
+#define IXDP2X01_FLASH_WINDOW_SIZE (1 << IXDP2X01_FLASH_WINDOW_BITS)
+#define IXDP2X01_FLASH_WINDOW_MASK (IXDP2X01_FLASH_WINDOW_SIZE - 1)
+
+#define IXDP2X01_UART_CLK 1843200
+
+#define IXDP2X01_GPIO_I2C_ENABLE 0x02
+#define IXDP2X01_GPIO_SCL 0x07
+#define IXDP2X01_GPIO_SDA 0x06
+
+#endif /* __IXDP2x01_H__ */
diff --git a/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h b/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h
new file mode 100644
index 00000000000..19d80379a3e
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h
@@ -0,0 +1,457 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h
+ *
+ * Chipset register definitions for IXP2400/2800 based systems.
+ *
+ * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
+ *
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright (C) 2002 Intel Corp.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+#ifndef _IXP2000_REGS_H_
+#define _IXP2000_REGS_H_
+
+/*
+ * IXP2000 linux memory map:
+ *
+ * virt phys size
+ * fb000000 db000000 16M PCI CFG1
+ * fc000000 da000000 16M PCI CFG0
+ * fd000000 d8000000 16M PCI I/O
+ * fe[0-7]00000 8M per-platform mappings
+ * fe900000 80000000 1M SRAM #0 (first MB)
+ * fea00000 cb400000 1M SCRATCH ring get/put
+ * feb00000 c8000000 1M MSF
+ * fec00000 df000000 1M PCI CSRs
+ * fed00000 de000000 1M PCI CREG
+ * fee00000 d6000000 1M INTCTL
+ * fef00000 c0000000 1M CAP
+ */
+
+/*
+ * Static I/O regions.
+ *
+ * Most of the registers are clumped in 4K regions spread throughout
+ * the 0xc0000000 -> 0xc0100000 address range, but we just map in
+ * the whole range using a single 1 MB section instead of small
+ * 4K pages. This has two advantages for us:
+ *
+ * 1) We use only one TLB entry for large number of on-chip I/O devices.
+ *
+ * 2) We can easily set the Section attributes to XCB=101 on the IXP2400
+ * as required per erratum #66. We accomplish this by using a
+ * new MT_IXP2000_DEVICE memory type with the bits set as required.
+ *
+ * CAP stands for CSR Access Proxy.
+ *
+ * If you change the virtual address of this mapping, please propagate
+ * the change to arch/arm/kernel/debug.S, which hardcodes the virtual
+ * address of the UART located in this region.
+ */
+
+#define IXP2000_CAP_PHYS_BASE 0xc0000000
+#define IXP2000_CAP_VIRT_BASE 0xfef00000
+#define IXP2000_CAP_SIZE 0x00100000
+
+/*
+ * Addresses for specific on-chip peripherals.
+ */
+#define IXP2000_SLOWPORT_CSR_VIRT_BASE 0xfef80000
+#define IXP2000_GLOBAL_REG_VIRT_BASE 0xfef04000
+#define IXP2000_UART_PHYS_BASE 0xc0030000
+#define IXP2000_UART_VIRT_BASE 0xfef30000
+#define IXP2000_TIMER_VIRT_BASE 0xfef20000
+#define IXP2000_UENGINE_CSR_VIRT_BASE 0xfef18000
+#define IXP2000_GPIO_VIRT_BASE 0xfef10000
+
+/*
+ * Devices outside of the 0xc0000000 -> 0xc0100000 range. The virtual
+ * addresses of the INTCTL and PCI_CSR mappings are hardcoded in
+ * entry-macro.S, so if you ever change these please propagate
+ * the change.
+ */
+#define IXP2000_INTCTL_PHYS_BASE 0xd6000000
+#define IXP2000_INTCTL_VIRT_BASE 0xfee00000
+#define IXP2000_INTCTL_SIZE 0x00100000
+
+#define IXP2000_PCI_CREG_PHYS_BASE 0xde000000
+#define IXP2000_PCI_CREG_VIRT_BASE 0xfed00000
+#define IXP2000_PCI_CREG_SIZE 0x00100000
+
+#define IXP2000_PCI_CSR_PHYS_BASE 0xdf000000
+#define IXP2000_PCI_CSR_VIRT_BASE 0xfec00000
+#define IXP2000_PCI_CSR_SIZE 0x00100000
+
+#define IXP2000_MSF_PHYS_BASE 0xc8000000
+#define IXP2000_MSF_VIRT_BASE 0xfeb00000
+#define IXP2000_MSF_SIZE 0x00100000
+
+#define IXP2000_SCRATCH_RING_PHYS_BASE 0xcb400000
+#define IXP2000_SCRATCH_RING_VIRT_BASE 0xfea00000
+#define IXP2000_SCRATCH_RING_SIZE 0x00100000
+
+#define IXP2000_SRAM0_PHYS_BASE 0x80000000
+#define IXP2000_SRAM0_VIRT_BASE 0xfe900000
+#define IXP2000_SRAM0_SIZE 0x00100000
+
+#define IXP2000_PCI_IO_PHYS_BASE 0xd8000000
+#define IXP2000_PCI_IO_VIRT_BASE 0xfd000000
+#define IXP2000_PCI_IO_SIZE 0x01000000
+
+#define IXP2000_PCI_CFG0_PHYS_BASE 0xda000000
+#define IXP2000_PCI_CFG0_VIRT_BASE 0xfc000000
+#define IXP2000_PCI_CFG0_SIZE 0x01000000
+
+#define IXP2000_PCI_CFG1_PHYS_BASE 0xdb000000
+#define IXP2000_PCI_CFG1_VIRT_BASE 0xfb000000
+#define IXP2000_PCI_CFG1_SIZE 0x01000000
+
+/*
+ * Timers
+ */
+#define IXP2000_TIMER_REG(x) ((volatile unsigned long*)(IXP2000_TIMER_VIRT_BASE | (x)))
+/* Timer control */
+#define IXP2000_T1_CTL IXP2000_TIMER_REG(0x00)
+#define IXP2000_T2_CTL IXP2000_TIMER_REG(0x04)
+#define IXP2000_T3_CTL IXP2000_TIMER_REG(0x08)
+#define IXP2000_T4_CTL IXP2000_TIMER_REG(0x0c)
+/* Store initial value */
+#define IXP2000_T1_CLD IXP2000_TIMER_REG(0x10)
+#define IXP2000_T2_CLD IXP2000_TIMER_REG(0x14)
+#define IXP2000_T3_CLD IXP2000_TIMER_REG(0x18)
+#define IXP2000_T4_CLD IXP2000_TIMER_REG(0x1c)
+/* Read current value */
+#define IXP2000_T1_CSR IXP2000_TIMER_REG(0x20)
+#define IXP2000_T2_CSR IXP2000_TIMER_REG(0x24)
+#define IXP2000_T3_CSR IXP2000_TIMER_REG(0x28)
+#define IXP2000_T4_CSR IXP2000_TIMER_REG(0x2c)
+/* Clear associated timer interrupt */
+#define IXP2000_T1_CLR IXP2000_TIMER_REG(0x30)
+#define IXP2000_T2_CLR IXP2000_TIMER_REG(0x34)
+#define IXP2000_T3_CLR IXP2000_TIMER_REG(0x38)
+#define IXP2000_T4_CLR IXP2000_TIMER_REG(0x3c)
+/* Timer watchdog enable for T4 */
+#define IXP2000_TWDE IXP2000_TIMER_REG(0x40)
+
+#define WDT_ENABLE 0x00000001
+#define TIMER_DIVIDER_256 0x00000008
+#define TIMER_ENABLE 0x00000080
+#define IRQ_MASK_TIMER1 (1 << 4)
+
+/*
+ * Interrupt controller registers
+ */
+#define IXP2000_INTCTL_REG(x) (volatile unsigned long*)(IXP2000_INTCTL_VIRT_BASE | (x))
+#define IXP2000_IRQ_STATUS IXP2000_INTCTL_REG(0x08)
+#define IXP2000_IRQ_ENABLE IXP2000_INTCTL_REG(0x10)
+#define IXP2000_IRQ_ENABLE_SET IXP2000_INTCTL_REG(0x10)
+#define IXP2000_IRQ_ENABLE_CLR IXP2000_INTCTL_REG(0x18)
+#define IXP2000_FIQ_ENABLE_CLR IXP2000_INTCTL_REG(0x14)
+#define IXP2000_IRQ_ERR_STATUS IXP2000_INTCTL_REG(0x24)
+#define IXP2000_IRQ_ERR_ENABLE_SET IXP2000_INTCTL_REG(0x2c)
+#define IXP2000_FIQ_ERR_ENABLE_CLR IXP2000_INTCTL_REG(0x30)
+#define IXP2000_IRQ_ERR_ENABLE_CLR IXP2000_INTCTL_REG(0x34)
+#define IXP2000_IRQ_THD_RAW_STATUS_A_0 IXP2000_INTCTL_REG(0x60)
+#define IXP2000_IRQ_THD_RAW_STATUS_A_1 IXP2000_INTCTL_REG(0x64)
+#define IXP2000_IRQ_THD_RAW_STATUS_A_2 IXP2000_INTCTL_REG(0x68)
+#define IXP2000_IRQ_THD_RAW_STATUS_A_3 IXP2000_INTCTL_REG(0x6c)
+#define IXP2000_IRQ_THD_RAW_STATUS_B_0 IXP2000_INTCTL_REG(0x80)
+#define IXP2000_IRQ_THD_RAW_STATUS_B_1 IXP2000_INTCTL_REG(0x84)
+#define IXP2000_IRQ_THD_RAW_STATUS_B_2 IXP2000_INTCTL_REG(0x88)
+#define IXP2000_IRQ_THD_RAW_STATUS_B_3 IXP2000_INTCTL_REG(0x8c)
+#define IXP2000_IRQ_THD_STATUS_A_0 IXP2000_INTCTL_REG(0xe0)
+#define IXP2000_IRQ_THD_STATUS_A_1 IXP2000_INTCTL_REG(0xe4)
+#define IXP2000_IRQ_THD_STATUS_A_2 IXP2000_INTCTL_REG(0xe8)
+#define IXP2000_IRQ_THD_STATUS_A_3 IXP2000_INTCTL_REG(0xec)
+#define IXP2000_IRQ_THD_STATUS_B_0 IXP2000_INTCTL_REG(0x100)
+#define IXP2000_IRQ_THD_STATUS_B_1 IXP2000_INTCTL_REG(0x104)
+#define IXP2000_IRQ_THD_STATUS_B_2 IXP2000_INTCTL_REG(0x108)
+#define IXP2000_IRQ_THD_STATUS_B_3 IXP2000_INTCTL_REG(0x10c)
+#define IXP2000_IRQ_THD_ENABLE_SET_A_0 IXP2000_INTCTL_REG(0x160)
+#define IXP2000_IRQ_THD_ENABLE_SET_A_1 IXP2000_INTCTL_REG(0x164)
+#define IXP2000_IRQ_THD_ENABLE_SET_A_2 IXP2000_INTCTL_REG(0x168)
+#define IXP2000_IRQ_THD_ENABLE_SET_A_3 IXP2000_INTCTL_REG(0x16c)
+#define IXP2000_IRQ_THD_ENABLE_SET_B_0 IXP2000_INTCTL_REG(0x180)
+#define IXP2000_IRQ_THD_ENABLE_SET_B_1 IXP2000_INTCTL_REG(0x184)
+#define IXP2000_IRQ_THD_ENABLE_SET_B_2 IXP2000_INTCTL_REG(0x188)
+#define IXP2000_IRQ_THD_ENABLE_SET_B_3 IXP2000_INTCTL_REG(0x18c)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_0 IXP2000_INTCTL_REG(0x1e0)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_1 IXP2000_INTCTL_REG(0x1e4)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_2 IXP2000_INTCTL_REG(0x1e8)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_3 IXP2000_INTCTL_REG(0x1ec)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_0 IXP2000_INTCTL_REG(0x200)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_1 IXP2000_INTCTL_REG(0x204)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_2 IXP2000_INTCTL_REG(0x208)
+#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_3 IXP2000_INTCTL_REG(0x20c)
+
+/*
+ * Mask of valid IRQs in the 32-bit IRQ register. We use
+ * this to mark certain IRQs as being invalid.
+ */
+#define IXP2000_VALID_IRQ_MASK 0x0f0fffff
+
+/*
+ * PCI config register access from core
+ */
+#define IXP2000_PCI_CREG(x) (volatile unsigned long*)(IXP2000_PCI_CREG_VIRT_BASE | (x))
+#define IXP2000_PCI_CMDSTAT IXP2000_PCI_CREG(0x04)
+#define IXP2000_PCI_CSR_BAR IXP2000_PCI_CREG(0x10)
+#define IXP2000_PCI_SRAM_BAR IXP2000_PCI_CREG(0x14)
+#define IXP2000_PCI_SDRAM_BAR IXP2000_PCI_CREG(0x18)
+
+/*
+ * PCI CSRs
+ */
+#define IXP2000_PCI_CSR(x) (volatile unsigned long*)(IXP2000_PCI_CSR_VIRT_BASE | (x))
+
+/*
+ * PCI outbound interrupts
+ */
+#define IXP2000_PCI_OUT_INT_STATUS IXP2000_PCI_CSR(0x30)
+#define IXP2000_PCI_OUT_INT_MASK IXP2000_PCI_CSR(0x34)
+/*
+ * PCI communications
+ */
+#define IXP2000_PCI_MAILBOX0 IXP2000_PCI_CSR(0x50)
+#define IXP2000_PCI_MAILBOX1 IXP2000_PCI_CSR(0x54)
+#define IXP2000_PCI_MAILBOX2 IXP2000_PCI_CSR(0x58)
+#define IXP2000_PCI_MAILBOX3 IXP2000_PCI_CSR(0x5C)
+#define IXP2000_XSCALE_DOORBELL IXP2000_PCI_CSR(0x60)
+#define IXP2000_XSCALE_DOORBELL_SETUP IXP2000_PCI_CSR(0x64)
+#define IXP2000_PCI_DOORBELL IXP2000_PCI_CSR(0x70)
+#define IXP2000_PCI_DOORBELL_SETUP IXP2000_PCI_CSR(0x74)
+
+/*
+ * DMA engines
+ */
+#define IXP2000_PCI_CH1_BYTE_CNT IXP2000_PCI_CSR(0x80)
+#define IXP2000_PCI_CH1_ADDR IXP2000_PCI_CSR(0x84)
+#define IXP2000_PCI_CH1_DRAM_ADDR IXP2000_PCI_CSR(0x88)
+#define IXP2000_PCI_CH1_DESC_PTR IXP2000_PCI_CSR(0x8C)
+#define IXP2000_PCI_CH1_CNTRL IXP2000_PCI_CSR(0x90)
+#define IXP2000_PCI_CH1_ME_PARAM IXP2000_PCI_CSR(0x94)
+#define IXP2000_PCI_CH2_BYTE_CNT IXP2000_PCI_CSR(0xA0)
+#define IXP2000_PCI_CH2_ADDR IXP2000_PCI_CSR(0xA4)
+#define IXP2000_PCI_CH2_DRAM_ADDR IXP2000_PCI_CSR(0xA8)
+#define IXP2000_PCI_CH2_DESC_PTR IXP2000_PCI_CSR(0xAC)
+#define IXP2000_PCI_CH2_CNTRL IXP2000_PCI_CSR(0xB0)
+#define IXP2000_PCI_CH2_ME_PARAM IXP2000_PCI_CSR(0xB4)
+#define IXP2000_PCI_CH3_BYTE_CNT IXP2000_PCI_CSR(0xC0)
+#define IXP2000_PCI_CH3_ADDR IXP2000_PCI_CSR(0xC4)
+#define IXP2000_PCI_CH3_DRAM_ADDR IXP2000_PCI_CSR(0xC8)
+#define IXP2000_PCI_CH3_DESC_PTR IXP2000_PCI_CSR(0xCC)
+#define IXP2000_PCI_CH3_CNTRL IXP2000_PCI_CSR(0xD0)
+#define IXP2000_PCI_CH3_ME_PARAM IXP2000_PCI_CSR(0xD4)
+#define IXP2000_DMA_INF_MODE IXP2000_PCI_CSR(0xE0)
+/*
+ * Size masks for BARs
+ */
+#define IXP2000_PCI_SRAM_BASE_ADDR_MASK IXP2000_PCI_CSR(0xFC)
+#define IXP2000_PCI_DRAM_BASE_ADDR_MASK IXP2000_PCI_CSR(0x100)
+/*
+ * Control and uEngine related
+ */
+#define IXP2000_PCI_CONTROL IXP2000_PCI_CSR(0x13C)
+#define IXP2000_PCI_ADDR_EXT IXP2000_PCI_CSR(0x140)
+#define IXP2000_PCI_ME_PUSH_STATUS IXP2000_PCI_CSR(0x148)
+#define IXP2000_PCI_ME_PUSH_EN IXP2000_PCI_CSR(0x14C)
+#define IXP2000_PCI_ERR_STATUS IXP2000_PCI_CSR(0x150)
+#define IXP2000_PCI_ERR_ENABLE IXP2000_PCI_CSR(0x154)
+/*
+ * Inbound PCI interrupt control
+ */
+#define IXP2000_PCI_XSCALE_INT_STATUS IXP2000_PCI_CSR(0x158)
+#define IXP2000_PCI_XSCALE_INT_ENABLE IXP2000_PCI_CSR(0x15C)
+
+#define IXP2000_PCICNTL_PNR (1<<17) /* PCI not Reset bit of PCI_CONTROL */
+#define IXP2000_PCICNTL_PCF (1<<28) /* PCI Central function bit */
+#define IXP2000_XSCALE_INT (1<<1) /* Interrupt from XScale to PCI */
+
+/* These are from the IRQ register in the PCI ISR register */
+#define PCI_CONTROL_BE_DEO (1 << 22) /* Big Endian Data Enable Out */
+#define PCI_CONTROL_BE_DEI (1 << 21) /* Big Endian Data Enable In */
+#define PCI_CONTROL_BE_BEO (1 << 20) /* Big Endian Byte Enable Out */
+#define PCI_CONTROL_BE_BEI (1 << 19) /* Big Endian Byte Enable In */
+#define PCI_CONTROL_IEE (1 << 17) /* I/O cycle Endian swap Enable */
+
+#define IXP2000_PCI_RST_REL (1 << 2)
+#define CFG_RST_DIR (*IXP2000_PCI_CONTROL & IXP2000_PCICNTL_PCF)
+#define CFG_PCI_BOOT_HOST (1 << 2)
+#define CFG_BOOT_PROM (1 << 1)
+
+/*
+ * SlowPort CSRs
+ *
+ * The slowport is used to access things like flash, SONET framer control
+ * ports, slave microprocessors, CPLDs, and others of chip memory mapped
+ * peripherals.
+ */
+#define SLOWPORT_CSR(x) (volatile unsigned long*)(IXP2000_SLOWPORT_CSR_VIRT_BASE | (x))
+
+#define IXP2000_SLOWPORT_CCR SLOWPORT_CSR(0x00)
+#define IXP2000_SLOWPORT_WTC1 SLOWPORT_CSR(0x04)
+#define IXP2000_SLOWPORT_WTC2 SLOWPORT_CSR(0x08)
+#define IXP2000_SLOWPORT_RTC1 SLOWPORT_CSR(0x0c)
+#define IXP2000_SLOWPORT_RTC2 SLOWPORT_CSR(0x10)
+#define IXP2000_SLOWPORT_FSR SLOWPORT_CSR(0x14)
+#define IXP2000_SLOWPORT_PCR SLOWPORT_CSR(0x18)
+#define IXP2000_SLOWPORT_ADC SLOWPORT_CSR(0x1C)
+#define IXP2000_SLOWPORT_FAC SLOWPORT_CSR(0x20)
+#define IXP2000_SLOWPORT_FRM SLOWPORT_CSR(0x24)
+#define IXP2000_SLOWPORT_FIN SLOWPORT_CSR(0x28)
+
+/*
+ * CCR values.
+ * The CCR configures the clock division for the slowport interface.
+ */
+#define SLOWPORT_CCR_DIV_1 0x00
+#define SLOWPORT_CCR_DIV_2 0x01
+#define SLOWPORT_CCR_DIV_4 0x02
+#define SLOWPORT_CCR_DIV_6 0x03
+#define SLOWPORT_CCR_DIV_8 0x04
+#define SLOWPORT_CCR_DIV_10 0x05
+#define SLOWPORT_CCR_DIV_12 0x06
+#define SLOWPORT_CCR_DIV_14 0x07
+#define SLOWPORT_CCR_DIV_16 0x08
+#define SLOWPORT_CCR_DIV_18 0x09
+#define SLOWPORT_CCR_DIV_20 0x0a
+#define SLOWPORT_CCR_DIV_22 0x0b
+#define SLOWPORT_CCR_DIV_24 0x0c
+#define SLOWPORT_CCR_DIV_26 0x0d
+#define SLOWPORT_CCR_DIV_28 0x0e
+#define SLOWPORT_CCR_DIV_30 0x0f
+
+/*
+ * PCR values. PCR configure the mode of the interface.
+ */
+#define SLOWPORT_MODE_FLASH 0x00
+#define SLOWPORT_MODE_LUCENT 0x01
+#define SLOWPORT_MODE_PMC_SIERRA 0x02
+#define SLOWPORT_MODE_INTEL_UP 0x03
+#define SLOWPORT_MODE_MOTOROLA_UP 0x04
+
+/*
+ * ADC values. Defines data and address bus widths.
+ */
+#define SLOWPORT_ADDR_WIDTH_8 0x00
+#define SLOWPORT_ADDR_WIDTH_16 0x01
+#define SLOWPORT_ADDR_WIDTH_24 0x02
+#define SLOWPORT_ADDR_WIDTH_32 0x03
+#define SLOWPORT_DATA_WIDTH_8 0x00
+#define SLOWPORT_DATA_WIDTH_16 0x10
+#define SLOWPORT_DATA_WIDTH_24 0x20
+#define SLOWPORT_DATA_WIDTH_32 0x30
+
+/*
+ * Masks and shifts for various fields in the WTC and RTC registers.
+ */
+#define SLOWPORT_WRTC_MASK_HD 0x0003
+#define SLOWPORT_WRTC_MASK_PW 0x003c
+#define SLOWPORT_WRTC_MASK_SU 0x03c0
+
+#define SLOWPORT_WRTC_SHIFT_HD 0x00
+#define SLOWPORT_WRTC_SHIFT_SU 0x02
+#define SLOWPORT_WRTC_SHFIT_PW 0x06
+
+
+/*
+ * GPIO registers & GPIO interface.
+ */
+#define IXP2000_GPIO_REG(x) ((volatile unsigned long*)(IXP2000_GPIO_VIRT_BASE+(x)))
+#define IXP2000_GPIO_PLR IXP2000_GPIO_REG(0x00)
+#define IXP2000_GPIO_PDPR IXP2000_GPIO_REG(0x04)
+#define IXP2000_GPIO_PDSR IXP2000_GPIO_REG(0x08)
+#define IXP2000_GPIO_PDCR IXP2000_GPIO_REG(0x0c)
+#define IXP2000_GPIO_POPR IXP2000_GPIO_REG(0x10)
+#define IXP2000_GPIO_POSR IXP2000_GPIO_REG(0x14)
+#define IXP2000_GPIO_POCR IXP2000_GPIO_REG(0x18)
+#define IXP2000_GPIO_REDR IXP2000_GPIO_REG(0x1c)
+#define IXP2000_GPIO_FEDR IXP2000_GPIO_REG(0x20)
+#define IXP2000_GPIO_EDSR IXP2000_GPIO_REG(0x24)
+#define IXP2000_GPIO_LSHR IXP2000_GPIO_REG(0x28)
+#define IXP2000_GPIO_LSLR IXP2000_GPIO_REG(0x2c)
+#define IXP2000_GPIO_LDSR IXP2000_GPIO_REG(0x30)
+#define IXP2000_GPIO_INER IXP2000_GPIO_REG(0x34)
+#define IXP2000_GPIO_INSR IXP2000_GPIO_REG(0x38)
+#define IXP2000_GPIO_INCR IXP2000_GPIO_REG(0x3c)
+#define IXP2000_GPIO_INST IXP2000_GPIO_REG(0x40)
+
+/*
+ * "Global" registers...whatever that's supposed to mean.
+ */
+#define GLOBAL_REG_BASE (IXP2000_GLOBAL_REG_VIRT_BASE + 0x0a00)
+#define GLOBAL_REG(x) (volatile unsigned long*)(GLOBAL_REG_BASE | (x))
+
+#define IXP2000_MAJ_PROD_TYPE_MASK 0x001F0000
+#define IXP2000_MAJ_PROD_TYPE_IXP2000 0x00000000
+#define IXP2000_MIN_PROD_TYPE_MASK 0x0000FF00
+#define IXP2000_MIN_PROD_TYPE_IXP2400 0x00000200
+#define IXP2000_MIN_PROD_TYPE_IXP2850 0x00000100
+#define IXP2000_MIN_PROD_TYPE_IXP2800 0x00000000
+#define IXP2000_MAJ_REV_MASK 0x000000F0
+#define IXP2000_MIN_REV_MASK 0x0000000F
+#define IXP2000_PROD_ID_MASK 0xFFFFFFFF
+
+#define IXP2000_PRODUCT_ID GLOBAL_REG(0x00)
+#define IXP2000_MISC_CONTROL GLOBAL_REG(0x04)
+#define IXP2000_MSF_CLK_CNTRL GLOBAL_REG(0x08)
+#define IXP2000_RESET0 GLOBAL_REG(0x0c)
+#define IXP2000_RESET1 GLOBAL_REG(0x10)
+#define IXP2000_CCR GLOBAL_REG(0x14)
+#define IXP2000_STRAP_OPTIONS GLOBAL_REG(0x18)
+
+#define RSTALL (1 << 16)
+#define WDT_RESET_ENABLE 0x01000000
+
+
+/*
+ * MSF registers. The IXP2400 and IXP2800 have somewhat different MSF
+ * units, but the registers that differ between the two don't overlap,
+ * so we can have one register list for both.
+ */
+#define IXP2000_MSF_REG(x) ((volatile unsigned long*)(IXP2000_MSF_VIRT_BASE + (x)))
+#define IXP2000_MSF_RX_CONTROL IXP2000_MSF_REG(0x0000)
+#define IXP2000_MSF_TX_CONTROL IXP2000_MSF_REG(0x0004)
+#define IXP2000_MSF_INTERRUPT_STATUS IXP2000_MSF_REG(0x0008)
+#define IXP2000_MSF_INTERRUPT_ENABLE IXP2000_MSF_REG(0x000c)
+#define IXP2000_MSF_CSIX_TYPE_MAP IXP2000_MSF_REG(0x0010)
+#define IXP2000_MSF_FC_EGRESS_STATUS IXP2000_MSF_REG(0x0014)
+#define IXP2000_MSF_FC_INGRESS_STATUS IXP2000_MSF_REG(0x0018)
+#define IXP2000_MSF_HWM_CONTROL IXP2000_MSF_REG(0x0024)
+#define IXP2000_MSF_FC_STATUS_OVERRIDE IXP2000_MSF_REG(0x0028)
+#define IXP2000_MSF_CLOCK_CONTROL IXP2000_MSF_REG(0x002c)
+#define IXP2000_MSF_RX_PORT_MAP IXP2000_MSF_REG(0x0040)
+#define IXP2000_MSF_RBUF_ELEMENT_DONE IXP2000_MSF_REG(0x0044)
+#define IXP2000_MSF_RX_MPHY_POLL_LIMIT IXP2000_MSF_REG(0x0048)
+#define IXP2000_MSF_RX_CALENDAR_LENGTH IXP2000_MSF_REG(0x0048)
+#define IXP2000_MSF_RX_THREAD_FREELIST_TIMEOUT_0 IXP2000_MSF_REG(0x0050)
+#define IXP2000_MSF_RX_THREAD_FREELIST_TIMEOUT_1 IXP2000_MSF_REG(0x0054)
+#define IXP2000_MSF_RX_THREAD_FREELIST_TIMEOUT_2 IXP2000_MSF_REG(0x0058)
+#define IXP2000_MSF_TX_SEQUENCE_0 IXP2000_MSF_REG(0x0060)
+#define IXP2000_MSF_TX_SEQUENCE_1 IXP2000_MSF_REG(0x0064)
+#define IXP2000_MSF_TX_SEQUENCE_2 IXP2000_MSF_REG(0x0068)
+#define IXP2000_MSF_TX_MPHY_POLL_LIMIT IXP2000_MSF_REG(0x0070)
+#define IXP2000_MSF_TX_CALENDAR_LENGTH IXP2000_MSF_REG(0x0070)
+#define IXP2000_MSF_RX_UP_CONTROL_0 IXP2000_MSF_REG(0x0080)
+#define IXP2000_MSF_RX_UP_CONTROL_1 IXP2000_MSF_REG(0x0084)
+#define IXP2000_MSF_RX_UP_CONTROL_2 IXP2000_MSF_REG(0x0088)
+#define IXP2000_MSF_RX_UP_CONTROL_3 IXP2000_MSF_REG(0x008c)
+#define IXP2000_MSF_TX_UP_CONTROL_0 IXP2000_MSF_REG(0x0090)
+#define IXP2000_MSF_TX_UP_CONTROL_1 IXP2000_MSF_REG(0x0094)
+#define IXP2000_MSF_TX_UP_CONTROL_2 IXP2000_MSF_REG(0x0098)
+#define IXP2000_MSF_TX_UP_CONTROL_3 IXP2000_MSF_REG(0x009c)
+#define IXP2000_MSF_TRAIN_DATA IXP2000_MSF_REG(0x00a0)
+#define IXP2000_MSF_TRAIN_CALENDAR IXP2000_MSF_REG(0x00a4)
+#define IXP2000_MSF_TRAIN_FLOW_CONTROL IXP2000_MSF_REG(0x00a8)
+#define IXP2000_MSF_TX_CALENDAR_0 IXP2000_MSF_REG(0x1000)
+#define IXP2000_MSF_RX_PORT_CALENDAR_STATUS IXP2000_MSF_REG(0x1400)
+
+
+#endif /* _IXP2000_H_ */
diff --git a/arch/arm/mach-ixp2000/include/mach/memory.h b/arch/arm/mach-ixp2000/include/mach/memory.h
new file mode 100644
index 00000000000..241529a7c52
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/memory.h
@@ -0,0 +1,34 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/memory.h
+ *
+ * Copyright (c) 2002 Intel Corp.
+ * Copyright (c) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PHYS_OFFSET UL(0x00000000)
+
+/*
+ * 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.
+ */
+#include <mach/ixp2000-regs.h>
+
+#define __virt_to_bus(v) \
+ (((__virt_to_phys(v) - 0x0) + (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)))
+
+#define __bus_to_virt(b) \
+ __phys_to_virt((((b - (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)) + 0x0)))
+
+#endif
+
diff --git a/arch/arm/mach-ixp2000/include/mach/platform.h b/arch/arm/mach-ixp2000/include/mach/platform.h
new file mode 100644
index 00000000000..42182c79ed9
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/platform.h
@@ -0,0 +1,152 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/platform.h
+ *
+ * Various bits of code used by platform-level code.
+ *
+ * Author: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright 2004 (c) MontaVista Software, Inc.
+ *
+ * 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.
+ */
+
+
+#ifndef __ASSEMBLY__
+
+static inline unsigned long ixp2000_reg_read(volatile void *reg)
+{
+ return *((volatile unsigned long *)reg);
+}
+
+static inline void ixp2000_reg_write(volatile void *reg, unsigned long val)
+{
+ *((volatile unsigned long *)reg) = val;
+}
+
+/*
+ * On the IXP2400, we can't use XCB=000 due to chip bugs. We use
+ * XCB=101 instead, but that makes all I/O accesses bufferable. This
+ * is not a problem in general, but we do have to be slightly more
+ * careful because I/O writes are no longer automatically flushed out
+ * of the write buffer.
+ *
+ * In cases where we want to make sure that a write has been flushed
+ * out of the write buffer before we proceed, for example when masking
+ * a device interrupt before re-enabling IRQs in CPSR, we can use this
+ * function, ixp2000_reg_wrb, which performs a write, a readback, and
+ * issues a dummy instruction dependent on the value of the readback
+ * (mov rX, rX) to make sure that the readback has completed before we
+ * continue.
+ */
+static inline void ixp2000_reg_wrb(volatile void *reg, unsigned long val)
+{
+ unsigned long dummy;
+
+ *((volatile unsigned long *)reg) = val;
+
+ dummy = *((volatile unsigned long *)reg);
+ __asm__ __volatile__("mov %0, %0" : "+r" (dummy));
+}
+
+/*
+ * Boards may multiplex different devices on the 2nd channel of
+ * the slowport interface that each need different configuration
+ * settings. For example, the IXDP2400 uses channel 2 on the interface
+ * to access the CPLD, the switch fabric card, and the media card. Each
+ * one needs a different mode so drivers must save/restore the mode
+ * before and after each operation.
+ *
+ * acquire_slowport(&your_config);
+ * ...
+ * do slowport operations
+ * ...
+ * release_slowport();
+ *
+ * Note that while you have the slowport, you are holding a spinlock,
+ * so your code should be written as if you explicitly acquired a lock.
+ *
+ * The configuration only affects device 2 on the slowport, so the
+ * MTD map driver does not acquire/release the slowport.
+ */
+struct slowport_cfg {
+ unsigned long CCR; /* Clock divide */
+ unsigned long WTC; /* Write Timing Control */
+ unsigned long RTC; /* Read Timing Control */
+ unsigned long PCR; /* Protocol Control Register */
+ unsigned long ADC; /* Address/Data Width Control */
+};
+
+
+void ixp2000_acquire_slowport(struct slowport_cfg *, struct slowport_cfg *);
+void ixp2000_release_slowport(struct slowport_cfg *);
+
+/*
+ * IXP2400 A0/A1 and IXP2800 A0/A1/A2 have broken slowport that requires
+ * tweaking of addresses in the MTD driver.
+ */
+static inline unsigned ixp2000_has_broken_slowport(void)
+{
+ unsigned long id = *IXP2000_PRODUCT_ID;
+ unsigned long id_prod = id & (IXP2000_MAJ_PROD_TYPE_MASK |
+ IXP2000_MIN_PROD_TYPE_MASK);
+ return (((id_prod ==
+ /* fixed in IXP2400-B0 */
+ (IXP2000_MAJ_PROD_TYPE_IXP2000 |
+ IXP2000_MIN_PROD_TYPE_IXP2400)) &&
+ ((id & IXP2000_MAJ_REV_MASK) == 0)) ||
+ ((id_prod ==
+ /* fixed in IXP2800-B0 */
+ (IXP2000_MAJ_PROD_TYPE_IXP2000 |
+ IXP2000_MIN_PROD_TYPE_IXP2800)) &&
+ ((id & IXP2000_MAJ_REV_MASK) == 0)) ||
+ ((id_prod ==
+ /* fixed in IXP2850-B0 */
+ (IXP2000_MAJ_PROD_TYPE_IXP2000 |
+ IXP2000_MIN_PROD_TYPE_IXP2850)) &&
+ ((id & IXP2000_MAJ_REV_MASK) == 0)));
+}
+
+static inline unsigned int ixp2000_has_flash(void)
+{
+ return ((*IXP2000_STRAP_OPTIONS) & (CFG_BOOT_PROM));
+}
+
+static inline unsigned int ixp2000_is_pcimaster(void)
+{
+ return ((*IXP2000_STRAP_OPTIONS) & (CFG_PCI_BOOT_HOST));
+}
+
+void ixp2000_map_io(void);
+void ixp2000_uart_init(void);
+void ixp2000_init_irq(void);
+void ixp2000_init_time(unsigned long);
+unsigned long ixp2000_gettimeoffset(void);
+
+struct pci_sys_data;
+
+u32 *ixp2000_pci_config_addr(unsigned int bus, unsigned int devfn, int where);
+void ixp2000_pci_preinit(void);
+int ixp2000_pci_setup(int, struct pci_sys_data*);
+struct pci_bus* ixp2000_pci_scan_bus(int, struct pci_sys_data*);
+int ixp2000_pci_read_config(struct pci_bus*, unsigned int, int, int, u32 *);
+int ixp2000_pci_write_config(struct pci_bus*, unsigned int, int, int, u32);
+
+/*
+ * Several of the IXP2000 systems have banked flash so we need to extend the
+ * flash_platform_data structure with some private pointers
+ */
+struct ixp2000_flash_data {
+ struct flash_platform_data *platform_data;
+ int nr_banks;
+ unsigned long (*bank_setup)(unsigned long);
+};
+
+struct ixp2000_i2c_pins {
+ unsigned long sda_pin;
+ unsigned long scl_pin;
+};
+
+
+#endif /* !__ASSEMBLY__ */
diff --git a/arch/arm/mach-ixp2000/include/mach/system.h b/arch/arm/mach-ixp2000/include/mach/system.h
new file mode 100644
index 00000000000..2e9c68f95a2
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/system.h
@@ -0,0 +1,49 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/system.h
+ *
+ * Copyright (C) 2002 Intel Corp.
+ * Copyricht (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * 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 <mach/hardware.h>
+#include <asm/mach-types.h>
+
+static inline void arch_idle(void)
+{
+ cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+ local_irq_disable();
+
+ /*
+ * Reset flash banking register so that we are pointing at
+ * RedBoot bank.
+ */
+ if (machine_is_ixdp2401()) {
+ ixp2000_reg_write(IXDP2X01_CPLD_FLASH_REG,
+ ((0 >> IXDP2X01_FLASH_WINDOW_BITS)
+ | IXDP2X01_CPLD_FLASH_INTERN));
+ ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0xffffffff);
+ }
+
+ /*
+ * On IXDP2801 we need to write this magic sequence to the CPLD
+ * to cause a complete reset of the CPU and all external devices
+ * and move the flash bank register back to 0.
+ */
+ if (machine_is_ixdp2801() || machine_is_ixdp28x5()) {
+ unsigned long reset_reg = *IXDP2X01_CPLD_RESET_REG;
+
+ reset_reg = 0x55AA0000 | (reset_reg & 0x0000FFFF);
+ ixp2000_reg_write(IXDP2X01_CPLD_RESET_REG, reset_reg);
+ ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0x80000000);
+ }
+
+ ixp2000_reg_wrb(IXP2000_RESET0, RSTALL);
+}
diff --git a/arch/arm/mach-ixp2000/include/mach/timex.h b/arch/arm/mach-ixp2000/include/mach/timex.h
new file mode 100644
index 00000000000..835e659f93d
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/timex.h
@@ -0,0 +1,13 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/timex.h
+ *
+ * IXP2000 architecture timex specifications
+ */
+
+
+/*
+ * Default clock is 50MHz APB, but platform code can override this
+ */
+#define CLOCK_TICK_RATE 50000000
+
+
diff --git a/arch/arm/mach-ixp2000/include/mach/uncompress.h b/arch/arm/mach-ixp2000/include/mach/uncompress.h
new file mode 100644
index 00000000000..ce363087df7
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/uncompress.h
@@ -0,0 +1,47 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/uncompress.h
+ *
+ *
+ * Original Author: Naeem Afzal <naeem.m.afzal@intel.com>
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * Copyright 2002 Intel Corp.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/serial_reg.h>
+
+#define UART_BASE 0xc0030000
+
+#define PHYS(x) ((volatile unsigned long *)(UART_BASE + x))
+
+#define UARTDR PHYS(0x00) /* Transmit reg dlab=0 */
+#define UARTDLL PHYS(0x00) /* Divisor Latch reg dlab=1*/
+#define UARTDLM PHYS(0x04) /* Divisor Latch reg dlab=1*/
+#define UARTIER PHYS(0x04) /* Interrupt enable reg */
+#define UARTFCR PHYS(0x08) /* FIFO control reg dlab =0*/
+#define UARTLCR PHYS(0x0c) /* Control reg */
+#define UARTSR PHYS(0x14) /* Status reg */
+
+
+static inline void putc(int c)
+{
+ int j = 0x1000;
+
+ while (--j && !(*UARTSR & UART_LSR_THRE))
+ barrier();
+
+ *UARTDR = c;
+}
+
+static inline void flush(void)
+{
+}
+
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/arch/arm/mach-ixp2000/include/mach/vmalloc.h b/arch/arm/mach-ixp2000/include/mach/vmalloc.h
new file mode 100644
index 00000000000..d195e35aed3
--- /dev/null
+++ b/arch/arm/mach-ixp2000/include/mach/vmalloc.h
@@ -0,0 +1,20 @@
+/*
+ * arch/arm/mach-ixp2000/include/mach/vmalloc.h
+ *
+ * Author: Naeem Afzal <naeem.m.afzal@intel.com>
+ *
+ * Copyright 2002 Intel Corp.
+ *
+ * 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.
+ *
+ * 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_END 0xfb000000
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 11:36:34 +0000