target/linux/ixp4xx/patches-2.6.23/130-wrt300nv2_support.patch

   1 Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/Kconfig
   2 ===================================================================
   3 --- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/Kconfig
   4 +++ linux-2.6.23.17/arch/arm/mach-ixp4xx/Kconfig
   5 @@ -73,6 +73,14 @@ config MACH_COMPEX
   6           WP18 or NP18A boards. For more information on this
   7           platform, see http://openwrt.org
   8
   9 +config MACH_WRT300NV2
  10 +       bool "Linksys WRT300N v2"
  11 +       select PCI
  12 +       help
  13 +         Say 'Y' here if you want your kernel to support Linksys'
  14 +         WRT300N v2 router. For more information on this
  15 +         platform, see http://openwrt.org
  16 +
  17  config ARCH_IXDP425
  18         bool "IXDP425"
  19         help
  20 Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/Makefile
  21 ===================================================================
  22 --- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/Makefile
  23 +++ linux-2.6.23.17/arch/arm/mach-ixp4xx/Makefile
  24 @@ -18,6 +18,7 @@ obj-pci-$(CONFIG_MACH_WG302V2)                += wg302
  25  obj-pci-$(CONFIG_MACH_FSG)             += fsg-pci.o
  26  obj-pci-$(CONFIG_MACH_PRONGHORNMETRO)  += pronghornmetro-pci.o
  27  obj-pci-$(CONFIG_MACH_COMPEX)          += ixdp425-pci.o
  28 +obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
  29
  30  obj-y  += common.o
  31
  32 @@ -34,5 +35,6 @@ obj-$(CONFIG_MACH_WG302V2)    += wg302v2-se
  33  obj-$(CONFIG_MACH_FSG)         += fsg-setup.o fsg-power.o
  34  obj-$(CONFIG_MACH_PRONGHORNMETRO)      += pronghornmetro-setup.o
  35  obj-$(CONFIG_MACH_COMPEX)      += compex-setup.o
  36 +obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
  37
  38  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
  39 Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/wrt300nv2-pci.c
  40 ===================================================================
  41 --- /dev/null
  42 +++ linux-2.6.23.17/arch/arm/mach-ixp4xx/wrt300nv2-pci.c
  43 @@ -0,0 +1,65 @@
  44 +/*
  45 + * arch/arch/mach-ixp4xx/wrt300nv2-pci.c
  46 + *
  47 + * PCI setup routines for Linksys WRT300N v2
  48 + *
  49 + * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
  50 + *
  51 + * based on coyote-pci.c:
  52 + *     Copyright (C) 2002 Jungo Software Technologies.
  53 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  54 + *
  55 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  56 + *
  57 + * This program is free software; you can redistribute it and/or modify
  58 + * it under the terms of the GNU General Public License version 2 as
  59 + * published by the Free Software Foundation.
  60 + *
  61 + */
  62 +
  63 +#include <linux/kernel.h>
  64 +#include <linux/pci.h>
  65 +#include <linux/init.h>
  66 +#include <linux/irq.h>
  67 +
  68 +#include <asm/mach-types.h>
  69 +#include <asm/hardware.h>
  70 +#include <asm/irq.h>
  71 +
  72 +#include <asm/mach/pci.h>
  73 +
  74 +extern void ixp4xx_pci_preinit(void);
  75 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
  76 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
  77 +
  78 +void __init wrt300nv2_pci_preinit(void)
  79 +{
  80 +       set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_LOW);
  81 +
  82 +       ixp4xx_pci_preinit();
  83 +}
  84 +
  85 +static int __init wrt300nv2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  86 +{
  87 +       if (slot == 1)
  88 +               return IRQ_IXP4XX_GPIO8;
  89 +       else return -1;
  90 +}
  91 +
  92 +struct hw_pci wrt300nv2_pci __initdata = {
  93 +       .nr_controllers = 1,
  94 +       .preinit =        wrt300nv2_pci_preinit,
  95 +       .swizzle =        pci_std_swizzle,
  96 +       .setup =          ixp4xx_setup,
  97 +       .scan =           ixp4xx_scan_bus,
  98 +       .map_irq =        wrt300nv2_map_irq,
  99 +};
 100 +
 101 +int __init wrt300nv2_pci_init(void)
 102 +{
 103 +       if (machine_is_wrt300nv2())
 104 +               pci_common_init(&wrt300nv2_pci);
 105 +       return 0;
 106 +}
 107 +
 108 +subsys_initcall(wrt300nv2_pci_init);
 109 Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
 110 ===================================================================
 111 --- /dev/null
 112 +++ linux-2.6.23.17/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
 113 @@ -0,0 +1,108 @@
 114 +/*
 115 + * arch/arm/mach-ixp4xx/wrt300nv2-setup.c
 116 + *
 117 + * Board setup for the Linksys WRT300N v2
 118 + *
 119 + * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
 120 + *
 121 + * based on coyote-setup.c:
 122 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 123 + *
 124 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 125 + */
 126 +
 127 +#include <linux/kernel.h>
 128 +#include <linux/init.h>
 129 +#include <linux/device.h>
 130 +#include <linux/serial.h>
 131 +#include <linux/tty.h>
 132 +#include <linux/serial_8250.h>
 133 +#include <linux/slab.h>
 134 +
 135 +#include <asm/types.h>
 136 +#include <asm/setup.h>
 137 +#include <asm/memory.h>
 138 +#include <asm/hardware.h>
 139 +#include <asm/irq.h>
 140 +#include <asm/mach-types.h>
 141 +#include <asm/mach/arch.h>
 142 +#include <asm/mach/flash.h>
 143 +
 144 +static struct flash_platform_data wrt300nv2_flash_data = {
 145 +       .map_name       = "cfi_probe",
 146 +       .width          = 2,
 147 +};
 148 +
 149 +static struct resource wrt300nv2_flash_resource = {
 150 +       .flags          = IORESOURCE_MEM,
 151 +};
 152 +
 153 +static struct platform_device wrt300nv2_flash = {
 154 +       .name           = "IXP4XX-Flash",
 155 +       .id             = 0,
 156 +       .dev            = {
 157 +               .platform_data = &wrt300nv2_flash_data,
 158 +       },
 159 +       .num_resources  = 1,
 160 +       .resource       = &wrt300nv2_flash_resource,
 161 +};
 162 +
 163 +static struct resource wrt300nv2_uart_resource = {
 164 +       .start  = IXP4XX_UART2_BASE_PHYS,
 165 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 166 +       .flags  = IORESOURCE_MEM,
 167 +};
 168 +
 169 +static struct plat_serial8250_port wrt300nv2_uart_data[] = {
 170 +       {
 171 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 172 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 173 +               .irq            = IRQ_IXP4XX_UART2,
 174 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 175 +               .iotype         = UPIO_MEM,
 176 +               .regshift       = 2,
 177 +               .uartclk        = IXP4XX_UART_XTAL,
 178 +       },
 179 +       { },
 180 +};
 181 +
 182 +static struct platform_device wrt300nv2_uart = {
 183 +       .name           = "serial8250",
 184 +       .id             = PLAT8250_DEV_PLATFORM,
 185 +       .dev                    = {
 186 +               .platform_data  = wrt300nv2_uart_data,
 187 +       },
 188 +       .num_resources  = 1,
 189 +       .resource       = &wrt300nv2_uart_resource,
 190 +};
 191 +
 192 +static struct platform_device *wrt300nv2_devices[] __initdata = {
 193 +       &wrt300nv2_flash,
 194 +       &wrt300nv2_uart
 195 +};
 196 +
 197 +static void __init wrt300nv2_init(void)
 198 +{
 199 +       ixp4xx_sys_init();
 200 +
 201 +       wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 202 +       wrt300nv2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 203 +
 204 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 205 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 206 +
 207 +       platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
 208 +}
 209 +
 210 +#ifdef CONFIG_MACH_WRT300NV2
 211 +MACHINE_START(WRT300NV2, "Linksys WRT300N v2")
 212 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 213 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 214 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 215 +       .map_io         = ixp4xx_map_io,
 216 +       .init_irq       = ixp4xx_init_irq,
 217 +       .timer          = &ixp4xx_timer,
 218 +       .boot_params    = 0x0100,
 219 +       .init_machine   = wrt300nv2_init,
 220 +MACHINE_END
 221 +#endif
 222 Index: linux-2.6.23.17/include/asm-arm/arch-ixp4xx/uncompress.h
 223 ===================================================================
 224 --- linux-2.6.23.17.orig/include/asm-arm/arch-ixp4xx/uncompress.h
 225 +++ linux-2.6.23.17/include/asm-arm/arch-ixp4xx/uncompress.h
 226 @@ -42,7 +42,7 @@ static __inline__ void __arch_decomp_set
 227          */
 228         if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
 229                          machine_is_gateway7001() || machine_is_wg302v2() ||
 230 -                        machine_is_pronghorn_metro())
 231 +                        machine_is_pronghorn_metro() || machine_is_wrt300nv2())
 232                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 233         else
 234                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;