target/linux/ixp4xx/patches-4.1/115-sidewinder_support.patch

   1 From 95dac4a842a3c66f69f949b48f9075e16275f77b Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sun, 30 Jun 2013 15:48:47 +0200
   4 Subject: [PATCH 07/36] 115-sidewinder_support.patch
   5
   6 ---
   7  arch/arm/mach-ixp4xx/Kconfig            |   10 +-
   8  arch/arm/mach-ixp4xx/Makefile           |    2 +
   9  arch/arm/mach-ixp4xx/sidewinder-pci.c   |   68 ++++++++++++++
  10  arch/arm/mach-ixp4xx/sidewinder-setup.c |  151 +++++++++++++++++++++++++++++++
  11  4 files changed, 230 insertions(+), 1 deletion(-)
  12  create mode 100644 arch/arm/mach-ixp4xx/sidewinder-pci.c
  13  create mode 100644 arch/arm/mach-ixp4xx/sidewinder-setup.c
  14
  15 --- a/arch/arm/mach-ixp4xx/Kconfig
  16 +++ b/arch/arm/mach-ixp4xx/Kconfig
  17 @@ -77,6 +77,14 @@ config MACH_PRONGHORN
  18  config MACH_PRONGHORNMETRO
  19         def_bool MACH_PRONGHORN
  20
  21 +config MACH_SIDEWINDER
  22 +       bool "ADI Sidewinder"
  23 +       select PCI
  24 +       help
  25 +         Say 'Y' here if you want your kernel to support the ADI
  26 +         Engineering Sidewinder board. For more information on this
  27 +         platform, see http://www.adiengineering.com
  28 +
  29  config ARCH_IXDP425
  30         bool "IXDP425"
  31         help
  32 @@ -173,7 +181,7 @@ config MACH_ARCOM_VULCAN
  33  #
  34  config CPU_IXP46X
  35         bool
  36 -       depends on MACH_IXDP465
  37 +       depends on MACH_IXDP465 || MACH_SIDEWINDER
  38         default y
  39
  40  config CPU_IXP43X
  41 --- a/arch/arm/mach-ixp4xx/Makefile
  42 +++ b/arch/arm/mach-ixp4xx/Makefile
  43 @@ -20,6 +20,7 @@ obj-pci-$(CONFIG_MACH_WG302V2)                += wg302
  44  obj-pci-$(CONFIG_MACH_FSG)             += fsg-pci.o
  45  obj-pci-$(CONFIG_MACH_ARCOM_VULCAN)    += vulcan-pci.o
  46  obj-pci-$(CONFIG_MACH_PRONGHORN)       += pronghorn-pci.o
  47 +obj-pci-$(CONFIG_MACH_SIDEWINDER)      += sidewinder-pci.o
  48
  49  obj-y  += common.o
  50
  51 @@ -41,6 +42,7 @@ obj-$(CONFIG_MACH_FSG)                += fsg-setup.o
  52  obj-$(CONFIG_MACH_GORAMO_MLR)  += goramo_mlr.o
  53  obj-$(CONFIG_MACH_ARCOM_VULCAN)        += vulcan-setup.o
  54  obj-$(CONFIG_MACH_PRONGHORN)   += pronghorn-setup.o
  55 +obj-$(CONFIG_MACH_SIDEWINDER)  += sidewinder-setup.o
  56
  57  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
  58  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
  59 --- /dev/null
  60 +++ b/arch/arm/mach-ixp4xx/sidewinder-pci.c
  61 @@ -0,0 +1,67 @@
  62 +/*
  63 + * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
  64 + *
  65 + * PCI setup routines for ADI Engineering Sidewinder
  66 + *
  67 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  68 + *
  69 + * based on coyote-pci.c:
  70 + *     Copyright (C) 2002 Jungo Software Technologies.
  71 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  72 + *
  73 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  74 + *
  75 + * This program is free software; you can redistribute it and/or modify
  76 + * it under the terms of the GNU General Public License version 2 as
  77 + * published by the Free Software Foundation.
  78 + *
  79 + */
  80 +
  81 +#include <linux/kernel.h>
  82 +#include <linux/pci.h>
  83 +#include <linux/init.h>
  84 +#include <linux/irq.h>
  85 +
  86 +#include <asm/mach-types.h>
  87 +#include <mach/hardware.h>
  88 +#include <asm/irq.h>
  89 +
  90 +#include <asm/mach/pci.h>
  91 +
  92 +void __init sidewinder_pci_preinit(void)
  93 +{
  94 +       irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
  95 +       irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
  96 +       irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
  97 +
  98 +       ixp4xx_pci_preinit();
  99 +}
 100 +
 101 +static int __init sidewinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 102 +{
 103 +       if (slot == 1)
 104 +               return IRQ_IXP4XX_GPIO11;
 105 +       else if (slot == 2)
 106 +               return IRQ_IXP4XX_GPIO10;
 107 +       else if (slot == 3)
 108 +               return IRQ_IXP4XX_GPIO9;
 109 +       else
 110 +               return -1;
 111 +}
 112 +
 113 +struct hw_pci sidewinder_pci __initdata = {
 114 +       .nr_controllers = 1,
 115 +       .preinit        = sidewinder_pci_preinit,
 116 +       .ops            = &ixp4xx_ops,
 117 +       .setup          = ixp4xx_setup,
 118 +       .map_irq        = sidewinder_map_irq,
 119 +};
 120 +
 121 +int __init sidewinder_pci_init(void)
 122 +{
 123 +       if (machine_is_sidewinder())
 124 +               pci_common_init(&sidewinder_pci);
 125 +       return 0;
 126 +}
 127 +
 128 +subsys_initcall(sidewinder_pci_init);
 129 --- /dev/null
 130 +++ b/arch/arm/mach-ixp4xx/sidewinder-setup.c
 131 @@ -0,0 +1,155 @@
 132 +/*
 133 + * arch/arm/mach-ixp4xx/sidewinder-setup.c
 134 + *
 135 + * Board setup for the ADI Engineering Sidewinder
 136 + *
 137 + * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org>
 138 + *
 139 + * based on coyote-setup.c:
 140 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 141 + *
 142 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 143 + */
 144 +
 145 +#include <linux/kernel.h>
 146 +#include <linux/serial.h>
 147 +#include <linux/serial_8250.h>
 148 +#include <linux/dma-mapping.h>
 149 +
 150 +#include <asm/mach-types.h>
 151 +#include <asm/mach/arch.h>
 152 +#include <asm/mach/flash.h>
 153 +
 154 +static struct flash_platform_data sidewinder_flash_data = {
 155 +       .map_name       = "cfi_probe",
 156 +       .width          = 2,
 157 +};
 158 +
 159 +static struct resource sidewinder_flash_resource = {
 160 +       .flags          = IORESOURCE_MEM,
 161 +};
 162 +
 163 +static struct platform_device sidewinder_flash = {
 164 +       .name           = "IXP4XX-Flash",
 165 +       .id             = 0,
 166 +       .dev            = {
 167 +               .platform_data = &sidewinder_flash_data,
 168 +       },
 169 +       .num_resources  = 1,
 170 +       .resource       = &sidewinder_flash_resource,
 171 +};
 172 +
 173 +static struct resource sidewinder_uart_resources[] = {
 174 +       {
 175 +               .start  = IXP4XX_UART1_BASE_PHYS,
 176 +               .end    = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 177 +               .flags  = IORESOURCE_MEM,
 178 +       },
 179 +       {
 180 +               .start  = IXP4XX_UART2_BASE_PHYS,
 181 +               .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 182 +               .flags  = IORESOURCE_MEM,
 183 +       }
 184 +};
 185 +
 186 +static struct plat_serial8250_port sidewinder_uart_data[] = {
 187 +       {
 188 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 189 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 190 +               .irq            = IRQ_IXP4XX_UART1,
 191 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 192 +               .iotype         = UPIO_MEM,
 193 +               .regshift       = 2,
 194 +               .uartclk        = IXP4XX_UART_XTAL,
 195 +       },
 196 +       {
 197 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 198 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 199 +               .irq            = IRQ_IXP4XX_UART2,
 200 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 201 +               .iotype         = UPIO_MEM,
 202 +               .regshift       = 2,
 203 +               .uartclk        = IXP4XX_UART_XTAL,
 204 +       },
 205 +       { },
 206 +};
 207 +
 208 +static struct platform_device sidewinder_uart = {
 209 +       .name           = "serial8250",
 210 +       .id             = PLAT8250_DEV_PLATFORM,
 211 +       .dev            = {
 212 +               .platform_data  = sidewinder_uart_data,
 213 +       },
 214 +       .num_resources  = ARRAY_SIZE(sidewinder_uart_resources),
 215 +       .resource       = sidewinder_uart_resources,
 216 +};
 217 +
 218 +static struct eth_plat_info sidewinder_plat_eth[] = {
 219 +       {
 220 +               .phy            = 5,
 221 +               .rxq            = 3,
 222 +               .txreadyq       = 20,
 223 +       }, {
 224 +               .phy            = IXP4XX_ETH_PHY_MAX_ADDR,
 225 +               .phy_mask       = 0x1e,
 226 +               .rxq            = 4,
 227 +               .txreadyq       = 21,
 228 +       }, {
 229 +               .phy            = 31,
 230 +               .rxq            = 2,
 231 +               .txreadyq       = 19,
 232 +       }
 233 +};
 234 +
 235 +static struct platform_device sidewinder_eth[] = {
 236 +       {
 237 +               .name                   = "ixp4xx_eth",
 238 +               .id                     = IXP4XX_ETH_NPEB,
 239 +               .dev.platform_data      = sidewinder_plat_eth,
 240 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 241 +       }, {
 242 +               .name                   = "ixp4xx_eth",
 243 +               .id                     = IXP4XX_ETH_NPEC,
 244 +               .dev.platform_data      = sidewinder_plat_eth + 1,
 245 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 246 +       }, {
 247 +               .name                   = "ixp4xx_eth",
 248 +               .id                     = IXP4XX_ETH_NPEA,
 249 +               .dev.platform_data      = sidewinder_plat_eth + 2,
 250 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 251 +       }
 252 +};
 253 +
 254 +static struct platform_device *sidewinder_devices[] __initdata = {
 255 +       &sidewinder_flash,
 256 +       &sidewinder_uart,
 257 +       &sidewinder_eth[0],
 258 +       &sidewinder_eth[1],
 259 +       &sidewinder_eth[2],
 260 +};
 261 +
 262 +static void __init sidewinder_init(void)
 263 +{
 264 +       ixp4xx_sys_init();
 265 +
 266 +       sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 267 +       sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1;
 268 +
 269 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 270 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 271 +
 272 +       platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
 273 +}
 274 +
 275 +MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
 276 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 277 +       .map_io         = ixp4xx_map_io,
 278 +       .init_irq       = ixp4xx_init_irq,
 279 +       .init_time      = ixp4xx_timer_init,
 280 +       .atag_offset    = 0x0100,
 281 +       .init_machine   = sidewinder_init,
 282 +#if defined(CONFIG_PCI)
 283 +       .dma_zone_size  = SZ_64M,
 284 +#endif
 285 +       .restart        = ixp4xx_restart,
 286 +MACHINE_END