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

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