target/linux/ixp4xx/patches-4.1/120-compex_support.patch

   1 From 24025a2dcf1248079dd3019fac6ed955252d277f Mon Sep 17 00:00:00 2001
   2 From: Imre Kaloz <kaloz@openwrt.org>
   3 Date: Mon, 14 Jul 2008 21:56:34 +0200
   4 Subject: [PATCH] Add support for the Compex WP18 / NP18A boards
   5
   6 Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
   7 ---
   8
   9 --- a/arch/arm/mach-ixp4xx/Kconfig
  10 +++ b/arch/arm/mach-ixp4xx/Kconfig
  11 @@ -85,6 +85,14 @@ config MACH_SIDEWINDER
  12           Engineering Sidewinder board. For more information on this
  13           platform, see http://www.adiengineering.com
  14
  15 +config MACH_COMPEXWP18
  16 +       bool "Compex WP18 / NP18A"
  17 +       select PCI
  18 +       help
  19 +         Say 'Y' here if you want your kernel to support Compex'
  20 +         WP18 or NP18A boards. For more information on this
  21 +         platform, see http://www.compex.com.sg/home/OEM/product_ap.htm
  22 +
  23  config ARCH_IXDP425
  24         bool "IXDP425"
  25         help
  26 --- a/arch/arm/mach-ixp4xx/Makefile
  27 +++ b/arch/arm/mach-ixp4xx/Makefile
  28 @@ -21,6 +21,7 @@ obj-pci-$(CONFIG_MACH_FSG)            += fsg-pci.o
  29  obj-pci-$(CONFIG_MACH_ARCOM_VULCAN)    += vulcan-pci.o
  30  obj-pci-$(CONFIG_MACH_PRONGHORN)       += pronghorn-pci.o
  31  obj-pci-$(CONFIG_MACH_SIDEWINDER)      += sidewinder-pci.o
  32 +obj-pci-$(CONFIG_MACH_COMPEXWP18)      += ixdp425-pci.o
  33
  34  obj-y  += common.o
  35
  36 @@ -43,6 +44,7 @@ obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_
  37  obj-$(CONFIG_MACH_ARCOM_VULCAN)        += vulcan-setup.o
  38  obj-$(CONFIG_MACH_PRONGHORN)   += pronghorn-setup.o
  39  obj-$(CONFIG_MACH_SIDEWINDER)  += sidewinder-setup.o
  40 +obj-$(CONFIG_MACH_COMPEXWP18)  += compex42x-setup.o
  41
  42  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
  43  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
  44 --- /dev/null
  45 +++ b/arch/arm/mach-ixp4xx/compex42x-setup.c
  46 @@ -0,0 +1,141 @@
  47 +/*
  48 + * arch/arm/mach-ixp4xx/compex-setup.c
  49 + *
  50 + * Compex WP18 / NP18A board-setup
  51 + *
  52 + * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org>
  53 + *
  54 + * based on coyote-setup.c:
  55 + *     Copyright (C) 2003-2005 MontaVista Software, Inc.
  56 + *
  57 + * Author: Imre Kaloz <Kaloz@openwrt.org>
  58 + */
  59 +
  60 +#include <linux/kernel.h>
  61 +#include <linux/serial.h>
  62 +#include <linux/serial_8250.h>
  63 +#include <linux/dma-mapping.h>
  64 +
  65 +#include <asm/mach-types.h>
  66 +#include <asm/mach/arch.h>
  67 +#include <asm/mach/flash.h>
  68 +
  69 +static struct flash_platform_data compex42x_flash_data = {
  70 +       .map_name       = "cfi_probe",
  71 +       .width          = 2,
  72 +};
  73 +
  74 +static struct resource compex42x_flash_resource = {
  75 +       .flags          = IORESOURCE_MEM,
  76 +};
  77 +
  78 +static struct platform_device compex42x_flash = {
  79 +       .name           = "IXP4XX-Flash",
  80 +       .id             = 0,
  81 +       .dev            = {
  82 +               .platform_data = &compex42x_flash_data,
  83 +       },
  84 +       .num_resources  = 1,
  85 +       .resource       = &compex42x_flash_resource,
  86 +};
  87 +
  88 +static struct resource compex42x_uart_resources[] = {
  89 +       {
  90 +               .start          = IXP4XX_UART1_BASE_PHYS,
  91 +               .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
  92 +               .flags          = IORESOURCE_MEM
  93 +       },
  94 +       {
  95 +               .start          = IXP4XX_UART2_BASE_PHYS,
  96 +               .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
  97 +               .flags          = IORESOURCE_MEM
  98 +       }
  99 +};
 100 +
 101 +static struct plat_serial8250_port compex42x_uart_data[] = {
 102 +       {
 103 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 104 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 105 +               .irq            = IRQ_IXP4XX_UART1,
 106 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 107 +               .iotype         = UPIO_MEM,
 108 +               .regshift       = 2,
 109 +               .uartclk        = IXP4XX_UART_XTAL,
 110 +       },
 111 +       {
 112 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 113 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 114 +               .irq            = IRQ_IXP4XX_UART2,
 115 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 116 +               .iotype         = UPIO_MEM,
 117 +               .regshift       = 2,
 118 +               .uartclk        = IXP4XX_UART_XTAL,
 119 +       },
 120 +       { },
 121 +};
 122 +
 123 +static struct platform_device compex42x_uart = {
 124 +       .name                   = "serial8250",
 125 +       .id                     = PLAT8250_DEV_PLATFORM,
 126 +       .dev.platform_data      = compex42x_uart_data,
 127 +       .num_resources          = 2,
 128 +       .resource               = compex42x_uart_resources,
 129 +};
 130 +
 131 +static struct eth_plat_info compex42x_plat_eth[] = {
 132 +       {
 133 +               .phy            = IXP4XX_ETH_PHY_MAX_ADDR,
 134 +               .phy_mask       = 0xf0000,
 135 +               .rxq            = 3,
 136 +               .txreadyq       = 20,
 137 +       }, {
 138 +               .phy            = 3,
 139 +               .rxq            = 4,
 140 +               .txreadyq       = 21,
 141 +       }
 142 +};
 143 +
 144 +static struct platform_device compex42x_eth[] = {
 145 +       {
 146 +               .name                   = "ixp4xx_eth",
 147 +               .id                     = IXP4XX_ETH_NPEB,
 148 +               .dev.platform_data      = compex42x_plat_eth,
 149 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 150 +       }, {
 151 +               .name                   = "ixp4xx_eth",
 152 +               .id                     = IXP4XX_ETH_NPEC,
 153 +               .dev.platform_data      = compex42x_plat_eth + 1,
 154 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 155 +       }
 156 +};
 157 +
 158 +static struct platform_device *compex42x_devices[] __initdata = {
 159 +       &compex42x_flash,
 160 +       &compex42x_uart,
 161 +       &compex42x_eth[0],
 162 +       &compex42x_eth[1],
 163 +};
 164 +
 165 +static void __init compex42x_init(void)
 166 +{
 167 +       ixp4xx_sys_init();
 168 +
 169 +       compex42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 170 +       compex42x_flash_resource.end =
 171 +               IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 172 +
 173 +       platform_add_devices(compex42x_devices, ARRAY_SIZE(compex42x_devices));
 174 +}
 175 +
 176 +MACHINE_START(COMPEXWP18, "Compex WP18 / NP18A")
 177 +       /* Maintainer: Imre Kaloz <Kaloz@openwrt.org> */
 178 +       .map_io         = ixp4xx_map_io,
 179 +       .init_irq       = ixp4xx_init_irq,
 180 +       .init_time      = ixp4xx_timer_init,
 181 +       .atag_offset    = 0x0100,
 182 +       .init_machine   = compex42x_init,
 183 +#if defined(CONFIG_PCI)
 184 +       .dma_zone_size  = SZ_64M,
 185 +#endif
 186 +       .restart        = ixp4xx_restart,
 187 +MACHINE_END
 188 --- a/arch/arm/mach-ixp4xx/ixdp425-pci.c
 189 +++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c
 190 @@ -69,7 +69,8 @@ struct hw_pci ixdp425_pci __initdata = {
 191  int __init ixdp425_pci_init(void)
 192  {
 193         if (machine_is_ixdp425() || machine_is_ixcdp1100() ||
 194 -                       machine_is_ixdp465() || machine_is_kixrp435())
 195 +                       machine_is_ixdp465() || machine_is_kixrp435() ||
 196 +                       machine_is_compex42x())
 197                 pci_common_init(&ixdp425_pci);
 198         return 0;
 199  }