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

   1 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/Kconfig linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Kconfig
   2 --- linux-2.6.23/arch/arm/mach-ixp4xx/Kconfig   2007-10-23 19:20:08.000000000 +0200
   3 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Kconfig      2007-10-23 19:26:46.000000000 +0200
   4 @@ -65,6 +65,14 @@
   5           Engineering Pronghorn Metro Platform. For more
   6           information on this platform, see <file:Documentation/arm/IXP4xx>.
   7
   8 +config MACH_SIDEWINDER
   9 +       bool "Sidewinder"
  10 +       select PCI
  11 +       help
  12 +         Say 'Y' here if you want your kernel to support the ADI
  13 +         Engineering Sidewinder Platform. For more
  14 +         information on this platform, see <file:Documentation/arm/IXP4xx>.
  15 +
  16  config MACH_COMPEX
  17         bool "Compex WP18 / NP18A"
  18         select PCI
  19 @@ -163,7 +171,7 @@
  20  #
  21  config CPU_IXP46X
  22         bool
  23 -       depends on MACH_IXDP465
  24 +       depends on MACH_IXDP465 || MACH_SIDEWINDER
  25         default y
  26
  27  config CPU_IXP43X
  28 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/Makefile linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Makefile
  29 --- linux-2.6.23/arch/arm/mach-ixp4xx/Makefile  2007-10-23 19:20:08.000000000 +0200
  30 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Makefile     2007-10-23 19:23:52.000000000 +0200
  31 @@ -19,6 +19,7 @@
  32  obj-pci-$(CONFIG_MACH_PRONGHORNMETRO)  += pronghornmetro-pci.o
  33  obj-pci-$(CONFIG_MACH_COMPEX)          += ixdp425-pci.o
  34  obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
  35 +obj-pci-$(CONFIG_MACH_SIDEWINDER)              += sidewinder-pci.o
  36
  37  obj-y  += common.o
  38
  39 @@ -36,6 +37,7 @@
  40  obj-$(CONFIG_MACH_PRONGHORNMETRO)      += pronghornmetro-setup.o
  41  obj-$(CONFIG_MACH_COMPEX)      += compex-setup.o
  42  obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
  43 +obj-$(CONFIG_MACH_SIDEWINDER)  += sidewinder-setup.o
  44
  45  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
  46  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
  47 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-pci.c linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-pci.c
  48 --- linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-pci.c  1970-01-01 01:00:00.000000000 +0100
  49 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-pci.c     2007-10-23 19:23:52.000000000 +0200
  50 @@ -0,0 +1,71 @@
  51 +/*
  52 + * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
  53 + *
  54 + * PCI setup routines for ADI Engineering Sidewinder
  55 + *
  56 + * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
  57 + *
  58 + * based on coyote-pci.c:
  59 + *     Copyright (C) 2002 Jungo Software Technologies.
  60 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  61 + *
  62 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  63 + *
  64 + * This program is free software; you can redistribute it and/or modify
  65 + * it under the terms of the GNU General Public License version 2 as
  66 + * published by the Free Software Foundation.
  67 + *
  68 + */
  69 +
  70 +#include <linux/kernel.h>
  71 +#include <linux/pci.h>
  72 +#include <linux/init.h>
  73 +#include <linux/irq.h>
  74 +
  75 +#include <asm/mach-types.h>
  76 +#include <asm/hardware.h>
  77 +#include <asm/irq.h>
  78 +
  79 +#include <asm/mach/pci.h>
  80 +
  81 +extern void ixp4xx_pci_preinit(void);
  82 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
  83 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
  84 +
  85 +void __init sidewinder_pci_preinit(void)
  86 +{
  87 +       set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
  88 +       set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
  89 +       set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
  90 +
  91 +       ixp4xx_pci_preinit();
  92 +}
  93 +
  94 +static int __init sidewinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  95 +{
  96 +       if (slot == 1)
  97 +               return IRQ_IXP4XX_GPIO11;
  98 +       else if (slot == 2)
  99 +               return IRQ_IXP4XX_GPIO10;
 100 +       else if (slot == 3)
 101 +               return IRQ_IXP4XX_GPIO9;
 102 +       else return -1;
 103 +}
 104 +
 105 +struct hw_pci sidewinder_pci __initdata = {
 106 +       .nr_controllers = 1,
 107 +       .preinit =        sidewinder_pci_preinit,
 108 +       .swizzle =        pci_std_swizzle,
 109 +       .setup =          ixp4xx_setup,
 110 +       .scan =           ixp4xx_scan_bus,
 111 +       .map_irq =        sidewinder_map_irq,
 112 +};
 113 +
 114 +int __init sidewinder_pci_init(void)
 115 +{
 116 +       if (machine_is_sidewinder())
 117 +               pci_common_init(&sidewinder_pci);
 118 +       return 0;
 119 +}
 120 +
 121 +subsys_initcall(sidewinder_pci_init);
 122 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-setup.c linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-setup.c
 123 --- linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-setup.c        1970-01-01 01:00:00.000000000 +0100
 124 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-setup.c   2007-10-23 19:23:52.000000000 +0200
 125 @@ -0,0 +1,115 @@
 126 +/*
 127 + * arch/arm/mach-ixp4xx/sidewinder-setup.c
 128 + *
 129 + * Board setup for the ADI Engineering Sidewinder
 130 + *
 131 + * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
 132 + *
 133 + * based on coyote-setup.c:
 134 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 135 + *
 136 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 137 + */
 138 +
 139 +#include <linux/kernel.h>
 140 +#include <linux/serial.h>
 141 +#include <linux/serial_8250.h>
 142 +
 143 +#include <asm/mach-types.h>
 144 +#include <asm/mach/arch.h>
 145 +#include <asm/mach/flash.h>
 146 +
 147 +static struct flash_platform_data sidewinder_flash_data = {
 148 +       .map_name       = "cfi_probe",
 149 +       .width          = 2,
 150 +};
 151 +
 152 +static struct resource sidewinder_flash_resource = {
 153 +       .flags          = IORESOURCE_MEM,
 154 +};
 155 +
 156 +static struct platform_device sidewinder_flash = {
 157 +       .name           = "IXP4XX-Flash",
 158 +       .id             = 0,
 159 +       .dev            = {
 160 +               .platform_data = &sidewinder_flash_data,
 161 +       },
 162 +       .num_resources  = 1,
 163 +       .resource       = &sidewinder_flash_resource,
 164 +};
 165 +
 166 +static struct resource sidewinder_uart_resources[] = {
 167 +       {
 168 +       .start  = IXP4XX_UART1_BASE_PHYS,
 169 +       .end    = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 170 +       .flags  = IORESOURCE_MEM,
 171 +       },
 172 +       {
 173 +       .start  = IXP4XX_UART2_BASE_PHYS,
 174 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 175 +       .flags  = IORESOURCE_MEM,
 176 +       }
 177 +};
 178 +
 179 +static struct plat_serial8250_port sidewinder_uart_data[] = {
 180 +       {
 181 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 182 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 183 +               .irq            = IRQ_IXP4XX_UART1,
 184 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 185 +               .iotype         = UPIO_MEM,
 186 +               .regshift       = 2,
 187 +               .uartclk        = IXP4XX_UART_XTAL,
 188 +       },
 189 +       {
 190 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 191 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 192 +               .irq            = IRQ_IXP4XX_UART2,
 193 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 194 +               .iotype         = UPIO_MEM,
 195 +               .regshift       = 2,
 196 +               .uartclk        = IXP4XX_UART_XTAL,
 197 +       },
 198 +       { },
 199 +};
 200 +
 201 +static struct platform_device sidewinder_uart = {
 202 +       .name           = "serial8250",
 203 +       .id             = PLAT8250_DEV_PLATFORM,
 204 +       .dev                    = {
 205 +               .platform_data  = sidewinder_uart_data,
 206 +       },
 207 +       .num_resources  = 2,
 208 +       .resource       = &sidewinder_uart_resources,
 209 +};
 210 +
 211 +static struct platform_device *sidewinder_devices[] __initdata = {
 212 +       &sidewinder_flash,
 213 +       &sidewinder_uart,
 214 +};
 215 +
 216 +static void __init sidewinder_init(void)
 217 +{
 218 +       ixp4xx_sys_init();
 219 +
 220 +       sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 221 +       sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1;
 222 +
 223 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 224 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 225 +
 226 +       platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
 227 +}
 228 +
 229 +#ifdef CONFIG_MACH_SIDEWINDER
 230 +MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
 231 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 232 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 233 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 234 +       .map_io         = ixp4xx_map_io,
 235 +       .init_irq       = ixp4xx_init_irq,
 236 +       .timer          = &ixp4xx_timer,
 237 +       .boot_params    = 0x0100,
 238 +       .init_machine   = sidewinder_init,
 239 +MACHINE_END
 240 +#endif