target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c

   1 /*
   2  *  Atheros AP83 board support
   3  *
   4  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/platform_device.h>
  13 #include <linux/input.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/mtd/physmap.h>
  17 #include <linux/spi/spi.h>
  18 #include <linux/spi/spi_gpio.h>
  19
  20 #include <asm/mips_machine.h>
  21 #include <asm/mach-ar71xx/ar71xx.h>
  22
  23 #include "devices.h"
  24
  25 #define AP83_GPIO_LED_WLAN      6
  26 #define AP83_GPIO_LED_POWER     14
  27 #define AP83_GPIO_LED_JUMPSTART 15
  28 #define AP83_GPIO_BTN_JUMPSTART 12
  29 #define AP83_GPIO_BTN_RESET     21
  30
  31 #define AP83_GPIO_VSC7385_CS    1
  32 #define AP83_GPIO_VSC7385_MISO  3
  33 #define AP83_GPIO_VSC7385_MOSI  16
  34 #define AP83_GPIO_VSC7385_SCK   17
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition ap83_flash_partitions[] = {
  38         {
  39                 .name           = "u-boot",
  40                 .offset         = 0,
  41                 .size           = 0x040000,
  42                 .mask_flags     = MTD_WRITEABLE,
  43         } , {
  44                 .name           = "u-boot-env",
  45                 .offset         = 0x040000,
  46                 .size           = 0x020000,
  47                 .mask_flags     = MTD_WRITEABLE,
  48         } , {
  49                 .name           = "rootfs",
  50                 .offset         = 0x060000,
  51                 .size           = 0x400000,
  52         } , {
  53                 .name           = "kernel",
  54                 .offset         = 0x460000,
  55                 .size           = 0x100000,
  56         } , {
  57                 .name           = "art",
  58                 .offset         = 0x560000,
  59                 .size           = 0x2a0000,
  60                 .mask_flags     = MTD_WRITEABLE,
  61         } , {
  62                 .name           = "firmware",
  63                 .offset         = 0x060000,
  64                 .size           = 0x500000,
  65         }
  66 };
  67 #endif /* CONFIG_MTD_PARTITIONS */
  68
  69 static struct physmap_flash_data ap83_flash_data = {
  70         .width          = 2,
  71 #ifdef CONFIG_MTD_PARTITIONS
  72         .parts          = ap83_flash_partitions,
  73         .nr_parts       = ARRAY_SIZE(ap83_flash_partitions),
  74 #endif
  75 };
  76
  77 static struct resource ap83_flash_resources[] = {
  78         [0] = {
  79                 .start  = AR71XX_SPI_BASE,
  80                 .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83 };
  84
  85 static struct platform_device ap83_flash_device = {
  86         .name           = "physmap-flash",
  87         .id             = -1,
  88         .resource       = ap83_flash_resources,
  89         .num_resources  = ARRAY_SIZE(ap83_flash_resources),
  90         .dev            = {
  91                 .platform_data = &ap83_flash_data,
  92         }
  93 };
  94
  95 static struct gpio_led ap83_leds_gpio[] __initdata = {
  96         {
  97                 .name           = "ap83:green:jumpstart",
  98                 .gpio           = AP83_GPIO_LED_JUMPSTART,
  99                 .active_low     = 0,
 100         }, {
 101                 .name           = "ap83:green:power",
 102                 .gpio           = AP83_GPIO_LED_POWER,
 103                 .active_low     = 0,
 104         }, {
 105                 .name           = "ap83:green:wlan",
 106                 .gpio           = AP83_GPIO_LED_WLAN,
 107                 .active_low     = 0,
 108         },
 109 };
 110
 111 static struct gpio_button ap83_gpio_buttons[] __initdata = {
 112         {
 113                 .desc           = "soft_reset",
 114                 .type           = EV_KEY,
 115                 .code           = BTN_0,
 116                 .threshold      = 5,
 117                 .gpio           = AP83_GPIO_BTN_RESET,
 118                 .active_low     = 1,
 119         } , {
 120                 .desc           = "jumpstart",
 121                 .type           = EV_KEY,
 122                 .code           = BTN_1,
 123                 .threshold      = 5,
 124                 .gpio           = AP83_GPIO_BTN_JUMPSTART,
 125                 .active_low     = 1,
 126         }
 127 };
 128
 129 static struct spi_gpio_platform_data ap83_spi_data = {
 130         .miso   = AP83_GPIO_VSC7385_MISO,
 131         .mosi   = AP83_GPIO_VSC7385_MOSI,
 132         .sck    = AP83_GPIO_VSC7385_SCK,
 133         .num_chipselect = 1,
 134 };
 135
 136 static struct platform_device ap83_spi_device = {
 137         .name           = "spi_gpio",
 138         .id             = 0,
 139         .dev            = {
 140                 .platform_data = &ap83_spi_data,
 141         }
 142 };
 143
 144 static void __init ap83_setup(void)
 145 {
 146         ar71xx_add_device_mdio(0xfffffffe);
 147
 148         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 149         ar71xx_eth0_data.phy_mask = 0x1;
 150
 151         ar71xx_add_device_eth(0);
 152
 153         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 154         ar71xx_eth1_data.phy_mask = 0x0;
 155         ar71xx_eth1_data.speed = SPEED_1000;
 156         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 157
 158         ar71xx_eth1_pll_data.pll_1000 = 0x1f000000;
 159
 160         ar71xx_add_device_eth(1);
 161
 162         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap83_leds_gpio),
 163                                         ap83_leds_gpio);
 164
 165         ar71xx_add_device_gpio_buttons(-1, 20, ARRAY_SIZE(ap83_gpio_buttons),
 166                                         ap83_gpio_buttons);
 167
 168         ar71xx_add_device_usb();
 169
 170         ar91xx_add_device_wmac();
 171
 172         platform_device_register(&ap83_spi_device);
 173         platform_device_register(&ap83_flash_device);
 174 }
 175
 176 MIPS_MACHINE(AR71XX_MACH_AP83, "Atheros AP83", ap83_setup);