target/linux/ixp4xx/patches-2.6.25/140-sidewinder_support.patch

   1 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/Kconfig
   2 ===================================================================
   3 --- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/Kconfig
   4 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/Kconfig
   5 @@ -65,6 +65,14 @@ config MACH_PRONGHORNMETRO
   6           Engineering Pronghorn Metro Platform. For more
   7           information on this platform, see <file:Documentation/arm/IXP4xx>.
   8
   9 +config MACH_SIDEWINDER
  10 +       bool "Sidewinder"
  11 +       select PCI
  12 +       help
  13 +         Say 'Y' here if you want your kernel to support the ADI
  14 +         Engineering Sidewinder Platform. For more
  15 +         information on this platform, see <file:Documentation/arm/IXP4xx>.
  16 +
  17  config MACH_COMPEX
  18         bool "Compex WP18 / NP18A"
  19         select PCI
  20 @@ -163,7 +171,7 @@ config MACH_FSG
  21  #
  22  config CPU_IXP46X
  23         bool
  24 -       depends on MACH_IXDP465
  25 +       depends on MACH_IXDP465 || MACH_SIDEWINDER
  26         default y
  27
  28  config CPU_IXP43X
  29 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/Makefile
  30 ===================================================================
  31 --- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/Makefile
  32 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/Makefile
  33 @@ -19,6 +19,7 @@ obj-pci-$(CONFIG_MACH_FSG)            += fsg-pci.o
  34  obj-pci-$(CONFIG_MACH_PRONGHORNMETRO)  += pronghornmetro-pci.o
  35  obj-pci-$(CONFIG_MACH_COMPEX)          += ixdp425-pci.o
  36  obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
  37 +obj-pci-$(CONFIG_MACH_SIDEWINDER)              += sidewinder-pci.o
  38
  39  obj-y  += common.o
  40
  41 @@ -36,6 +37,7 @@ obj-$(CONFIG_MACH_FSG)                += fsg-setup.o
  42  obj-$(CONFIG_MACH_PRONGHORNMETRO)      += pronghornmetro-setup.o
  43  obj-$(CONFIG_MACH_COMPEX)      += compex-setup.o
  44  obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
  45 +obj-$(CONFIG_MACH_SIDEWINDER)  += sidewinder-setup.o
  46
  47  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
  48  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
  49 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/sidewinder-pci.c
  50 ===================================================================
  51 --- /dev/null
  52 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/sidewinder-pci.c
  53 @@ -0,0 +1,71 @@
  54 +/*
  55 + * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
  56 + *
  57 + * PCI setup routines for ADI Engineering Sidewinder
  58 + *
  59 + * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
  60 + *
  61 + * based on coyote-pci.c:
  62 + *     Copyright (C) 2002 Jungo Software Technologies.
  63 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  64 + *
  65 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  66 + *
  67 + * This program is free software; you can redistribute it and/or modify
  68 + * it under the terms of the GNU General Public License version 2 as
  69 + * published by the Free Software Foundation.
  70 + *
  71 + */
  72 +
  73 +#include <linux/kernel.h>
  74 +#include <linux/pci.h>
  75 +#include <linux/init.h>
  76 +#include <linux/irq.h>
  77 +
  78 +#include <asm/mach-types.h>
  79 +#include <asm/hardware.h>
  80 +#include <asm/irq.h>
  81 +
  82 +#include <asm/mach/pci.h>
  83 +
  84 +extern void ixp4xx_pci_preinit(void);
  85 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
  86 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
  87 +
  88 +void __init sidewinder_pci_preinit(void)
  89 +{
  90 +       set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
  91 +       set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
  92 +       set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
  93 +
  94 +       ixp4xx_pci_preinit();
  95 +}
  96 +
  97 +static int __init sidewinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  98 +{
  99 +       if (slot == 1)
 100 +               return IRQ_IXP4XX_GPIO11;
 101 +       else if (slot == 2)
 102 +               return IRQ_IXP4XX_GPIO10;
 103 +       else if (slot == 3)
 104 +               return IRQ_IXP4XX_GPIO9;
 105 +       else return -1;
 106 +}
 107 +
 108 +struct hw_pci sidewinder_pci __initdata = {
 109 +       .nr_controllers = 1,
 110 +       .preinit =        sidewinder_pci_preinit,
 111 +       .swizzle =        pci_std_swizzle,
 112 +       .setup =          ixp4xx_setup,
 113 +       .scan =           ixp4xx_scan_bus,
 114 +       .map_irq =        sidewinder_map_irq,
 115 +};
 116 +
 117 +int __init sidewinder_pci_init(void)
 118 +{
 119 +       if (machine_is_sidewinder())
 120 +               pci_common_init(&sidewinder_pci);
 121 +       return 0;
 122 +}
 123 +
 124 +subsys_initcall(sidewinder_pci_init);
 125 Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/sidewinder-setup.c
 126 ===================================================================
 127 --- /dev/null
 128 +++ linux-2.6.25.4/arch/arm/mach-ixp4xx/sidewinder-setup.c
 129 @@ -0,0 +1,115 @@
 130 +/*
 131 + * arch/arm/mach-ixp4xx/sidewinder-setup.c
 132 + *
 133 + * Board setup for the ADI Engineering Sidewinder
 134 + *
 135 + * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
 136 + *
 137 + * based on coyote-setup.c:
 138 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 139 + *
 140 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 141 + */
 142 +
 143 +#include <linux/kernel.h>
 144 +#include <linux/serial.h>
 145 +#include <linux/serial_8250.h>
 146 +
 147 +#include <asm/mach-types.h>
 148 +#include <asm/mach/arch.h>
 149 +#include <asm/mach/flash.h>
 150 +
 151 +static struct flash_platform_data sidewinder_flash_data = {
 152 +       .map_name       = "cfi_probe",
 153 +       .width          = 2,
 154 +};
 155 +
 156 +static struct resource sidewinder_flash_resource = {
 157 +       .flags          = IORESOURCE_MEM,
 158 +};
 159 +
 160 +static struct platform_device sidewinder_flash = {
 161 +       .name           = "IXP4XX-Flash",
 162 +       .id             = 0,
 163 +       .dev            = {
 164 +               .platform_data = &sidewinder_flash_data,
 165 +       },
 166 +       .num_resources  = 1,
 167 +       .resource       = &sidewinder_flash_resource,
 168 +};
 169 +
 170 +static struct resource sidewinder_uart_resources[] = {
 171 +       {
 172 +       .start  = IXP4XX_UART1_BASE_PHYS,
 173 +       .end    = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 174 +       .flags  = IORESOURCE_MEM,
 175 +       },
 176 +       {
 177 +       .start  = IXP4XX_UART2_BASE_PHYS,
 178 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 179 +       .flags  = IORESOURCE_MEM,
 180 +       }
 181 +};
 182 +
 183 +static struct plat_serial8250_port sidewinder_uart_data[] = {
 184 +       {
 185 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 186 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 187 +               .irq            = IRQ_IXP4XX_UART1,
 188 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 189 +               .iotype         = UPIO_MEM,
 190 +               .regshift       = 2,
 191 +               .uartclk        = IXP4XX_UART_XTAL,
 192 +       },
 193 +       {
 194 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 195 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 196 +               .irq            = IRQ_IXP4XX_UART2,
 197 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 198 +               .iotype         = UPIO_MEM,
 199 +               .regshift       = 2,
 200 +               .uartclk        = IXP4XX_UART_XTAL,
 201 +       },
 202 +       { },
 203 +};
 204 +
 205 +static struct platform_device sidewinder_uart = {
 206 +       .name           = "serial8250",
 207 +       .id             = PLAT8250_DEV_PLATFORM,
 208 +       .dev                    = {
 209 +               .platform_data  = sidewinder_uart_data,
 210 +       },
 211 +       .num_resources  = ARRAY_SIZE(sidewinder_uart_resources),
 212 +       .resource       = sidewinder_uart_resources,
 213 +};
 214 +
 215 +static struct platform_device *sidewinder_devices[] __initdata = {
 216 +       &sidewinder_flash,
 217 +       &sidewinder_uart,
 218 +};
 219 +
 220 +static void __init sidewinder_init(void)
 221 +{
 222 +       ixp4xx_sys_init();
 223 +
 224 +       sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 225 +       sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1;
 226 +
 227 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 228 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 229 +
 230 +       platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
 231 +}
 232 +
 233 +#ifdef CONFIG_MACH_SIDEWINDER
 234 +MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
 235 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 236 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 237 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 238 +       .map_io         = ixp4xx_map_io,
 239 +       .init_irq       = ixp4xx_init_irq,
 240 +       .timer          = &ixp4xx_timer,
 241 +       .boot_params    = 0x0100,
 242 +       .init_machine   = sidewinder_init,
 243 +MACHINE_END
 244 +#endif