target/linux/ixp4xx/patches-2.6.25/130-wrt300nv2_support.patch

   1 --- a/arch/arm/mach-ixp4xx/Kconfig
   2 +++ b/arch/arm/mach-ixp4xx/Kconfig
   3 @@ -73,6 +73,14 @@
   4           WP18 or NP18A boards. For more information on this
   5           platform, see http://openwrt.org
   6
   7 +config MACH_WRT300NV2
   8 +       bool "Linksys WRT300N v2"
   9 +       select PCI
  10 +       help
  11 +         Say 'Y' here if you want your kernel to support Linksys'
  12 +         WRT300N v2 router. For more information on this
  13 +         platform, see http://openwrt.org
  14 +
  15  config ARCH_IXDP425
  16         bool "IXDP425"
  17         help
  18 --- a/arch/arm/mach-ixp4xx/Makefile
  19 +++ b/arch/arm/mach-ixp4xx/Makefile
  20 @@ -18,6 +18,7 @@
  21  obj-pci-$(CONFIG_MACH_FSG)             += fsg-pci.o
  22  obj-pci-$(CONFIG_MACH_PRONGHORNMETRO)  += pronghornmetro-pci.o
  23  obj-pci-$(CONFIG_MACH_COMPEX)          += ixdp425-pci.o
  24 +obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
  25
  26  obj-y  += common.o
  27
  28 @@ -34,6 +35,7 @@
  29  obj-$(CONFIG_MACH_FSG)         += fsg-setup.o
  30  obj-$(CONFIG_MACH_PRONGHORNMETRO)      += pronghornmetro-setup.o
  31  obj-$(CONFIG_MACH_COMPEX)      += compex-setup.o
  32 +obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
  33
  34  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
  35  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
  36 --- /dev/null
  37 +++ b/arch/arm/mach-ixp4xx/wrt300nv2-pci.c
  38 @@ -0,0 +1,65 @@
  39 +/*
  40 + * arch/arch/mach-ixp4xx/wrt300nv2-pci.c
  41 + *
  42 + * PCI setup routines for Linksys WRT300N v2
  43 + *
  44 + * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
  45 + *
  46 + * based on coyote-pci.c:
  47 + *     Copyright (C) 2002 Jungo Software Technologies.
  48 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  49 + *
  50 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  51 + *
  52 + * This program is free software; you can redistribute it and/or modify
  53 + * it under the terms of the GNU General Public License version 2 as
  54 + * published by the Free Software Foundation.
  55 + *
  56 + */
  57 +
  58 +#include <linux/kernel.h>
  59 +#include <linux/pci.h>
  60 +#include <linux/init.h>
  61 +#include <linux/irq.h>
  62 +
  63 +#include <asm/mach-types.h>
  64 +#include <asm/hardware.h>
  65 +#include <asm/irq.h>
  66 +
  67 +#include <asm/mach/pci.h>
  68 +
  69 +extern void ixp4xx_pci_preinit(void);
  70 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
  71 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
  72 +
  73 +void __init wrt300nv2_pci_preinit(void)
  74 +{
  75 +       set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_LOW);
  76 +
  77 +       ixp4xx_pci_preinit();
  78 +}
  79 +
  80 +static int __init wrt300nv2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  81 +{
  82 +       if (slot == 1)
  83 +               return IRQ_IXP4XX_GPIO8;
  84 +       else return -1;
  85 +}
  86 +
  87 +struct hw_pci wrt300nv2_pci __initdata = {
  88 +       .nr_controllers = 1,
  89 +       .preinit =        wrt300nv2_pci_preinit,
  90 +       .swizzle =        pci_std_swizzle,
  91 +       .setup =          ixp4xx_setup,
  92 +       .scan =           ixp4xx_scan_bus,
  93 +       .map_irq =        wrt300nv2_map_irq,
  94 +};
  95 +
  96 +int __init wrt300nv2_pci_init(void)
  97 +{
  98 +       if (machine_is_wrt300nv2())
  99 +               pci_common_init(&wrt300nv2_pci);
 100 +       return 0;
 101 +}
 102 +
 103 +subsys_initcall(wrt300nv2_pci_init);
 104 --- /dev/null
 105 +++ b/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
 106 @@ -0,0 +1,108 @@
 107 +/*
 108 + * arch/arm/mach-ixp4xx/wrt300nv2-setup.c
 109 + *
 110 + * Board setup for the Linksys WRT300N v2
 111 + *
 112 + * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
 113 + *
 114 + * based on coyote-setup.c:
 115 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 116 + *
 117 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 118 + */
 119 +
 120 +#include <linux/kernel.h>
 121 +#include <linux/init.h>
 122 +#include <linux/device.h>
 123 +#include <linux/serial.h>
 124 +#include <linux/tty.h>
 125 +#include <linux/serial_8250.h>
 126 +#include <linux/slab.h>
 127 +
 128 +#include <asm/types.h>
 129 +#include <asm/setup.h>
 130 +#include <asm/memory.h>
 131 +#include <asm/hardware.h>
 132 +#include <asm/irq.h>
 133 +#include <asm/mach-types.h>
 134 +#include <asm/mach/arch.h>
 135 +#include <asm/mach/flash.h>
 136 +
 137 +static struct flash_platform_data wrt300nv2_flash_data = {
 138 +       .map_name       = "cfi_probe",
 139 +       .width          = 2,
 140 +};
 141 +
 142 +static struct resource wrt300nv2_flash_resource = {
 143 +       .flags          = IORESOURCE_MEM,
 144 +};
 145 +
 146 +static struct platform_device wrt300nv2_flash = {
 147 +       .name           = "IXP4XX-Flash",
 148 +       .id             = 0,
 149 +       .dev            = {
 150 +               .platform_data = &wrt300nv2_flash_data,
 151 +       },
 152 +       .num_resources  = 1,
 153 +       .resource       = &wrt300nv2_flash_resource,
 154 +};
 155 +
 156 +static struct resource wrt300nv2_uart_resource = {
 157 +       .start  = IXP4XX_UART2_BASE_PHYS,
 158 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 159 +       .flags  = IORESOURCE_MEM,
 160 +};
 161 +
 162 +static struct plat_serial8250_port wrt300nv2_uart_data[] = {
 163 +       {
 164 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 165 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 166 +               .irq            = IRQ_IXP4XX_UART2,
 167 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 168 +               .iotype         = UPIO_MEM,
 169 +               .regshift       = 2,
 170 +               .uartclk        = IXP4XX_UART_XTAL,
 171 +       },
 172 +       { },
 173 +};
 174 +
 175 +static struct platform_device wrt300nv2_uart = {
 176 +       .name           = "serial8250",
 177 +       .id             = PLAT8250_DEV_PLATFORM,
 178 +       .dev                    = {
 179 +               .platform_data  = wrt300nv2_uart_data,
 180 +       },
 181 +       .num_resources  = 1,
 182 +       .resource       = &wrt300nv2_uart_resource,
 183 +};
 184 +
 185 +static struct platform_device *wrt300nv2_devices[] __initdata = {
 186 +       &wrt300nv2_flash,
 187 +       &wrt300nv2_uart
 188 +};
 189 +
 190 +static void __init wrt300nv2_init(void)
 191 +{
 192 +       ixp4xx_sys_init();
 193 +
 194 +       wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 195 +       wrt300nv2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 196 +
 197 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 198 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 199 +
 200 +       platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
 201 +}
 202 +
 203 +#ifdef CONFIG_MACH_WRT300NV2
 204 +MACHINE_START(WRT300NV2, "Linksys WRT300N v2")
 205 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 206 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 207 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 208 +       .map_io         = ixp4xx_map_io,
 209 +       .init_irq       = ixp4xx_init_irq,
 210 +       .timer          = &ixp4xx_timer,
 211 +       .boot_params    = 0x0100,
 212 +       .init_machine   = wrt300nv2_init,
 213 +MACHINE_END
 214 +#endif
 215 --- a/include/asm-arm/arch-ixp4xx/uncompress.h
 216 +++ b/include/asm-arm/arch-ixp4xx/uncompress.h
 217 @@ -42,7 +42,7 @@
 218          */
 219         if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
 220                          machine_is_gateway7001() || machine_is_wg302v2() ||
 221 -                        machine_is_pronghorn_metro())
 222 +                        machine_is_pronghorn_metro() || machine_is_wrt300nv2())
 223                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 224         else
 225                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;