target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap81.c

   1 /*
   2  *  Atheros AP81 board support
   3  *
   4  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2009 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/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/input.h>
  18
  19 #include <asm/mips_machine.h>
  20 #include <asm/mach-ar71xx/ar71xx.h>
  21
  22 #include "devices.h"
  23
  24 #define AP81_GPIO_BTN_SW4       12
  25 #define AP81_GPIO_BTN_SW1       21
  26
  27 #define AP81_BUTTONS_POLL_INTERVAL      20
  28
  29 #ifdef CONFIG_MTD_PARTITIONS
  30 static struct mtd_partition ap81_partitions[] = {
  31         {
  32                 .name           = "u-boot",
  33                 .offset         = 0,
  34                 .size           = 0x040000,
  35                 .mask_flags     = MTD_WRITEABLE,
  36         } , {
  37                 .name           = "u-boot-env",
  38                 .offset         = 0x040000,
  39                 .size           = 0x010000,
  40         } , {
  41                 .name           = "rootfs",
  42                 .offset         = 0x050000,
  43                 .size           = 0x500000,
  44         } , {
  45                 .name           = "uImage",
  46                 .offset         = 0x550000,
  47                 .size           = 0x100000,
  48         } , {
  49                 .name           = "ART",
  50                 .offset         = 0x650000,
  51                 .size           = 0x1b0000,
  52                 .mask_flags     = MTD_WRITEABLE,
  53         }
  54 };
  55 #endif /* CONFIG_MTD_PARTITIONS */
  56
  57 static struct flash_platform_data ap81_flash_data = {
  58 #ifdef CONFIG_MTD_PARTITIONS
  59         .parts          = ap81_partitions,
  60         .nr_parts       = ARRAY_SIZE(ap81_partitions),
  61 #endif
  62 };
  63
  64 static struct spi_board_info ap81_spi_info[] = {
  65         {
  66                 .bus_num        = 0,
  67                 .chip_select    = 0,
  68                 .max_speed_hz   = 25000000,
  69                 .modalias       = "m25p80",
  70                 .platform_data  = &ap81_flash_data,
  71         }
  72 };
  73
  74 static struct gpio_button ap81_gpio_buttons[] __initdata = {
  75         {
  76                 .desc           = "sw1",
  77                 .type           = EV_KEY,
  78                 .code           = BTN_0,
  79                 .threshold      = 5,
  80                 .gpio           = AP81_GPIO_BTN_SW1,
  81                 .active_low     = 1,
  82         } , {
  83                 .desc           = "sw4",
  84                 .type           = EV_KEY,
  85                 .code           = BTN_1,
  86                 .threshold      = 5,
  87                 .gpio           = AP81_GPIO_BTN_SW4,
  88                 .active_low     = 1,
  89         }
  90 };
  91
  92 static void __init ap81_setup(void)
  93 {
  94         ar71xx_add_device_mdio(0x0);
  95
  96         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
  97         ar71xx_eth0_data.phy_mask = 0xf;
  98         ar71xx_eth0_data.speed = SPEED_100;
  99         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 100         ar71xx_eth0_data.has_ar8216 = 1;
 101
 102         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 103         ar71xx_eth1_data.phy_mask = 0x10;
 104
 105         ar71xx_add_device_eth(0);
 106         ar71xx_add_device_eth(1);
 107
 108         ar71xx_add_device_usb();
 109
 110         ar71xx_add_device_spi(NULL, ap81_spi_info,
 111                               ARRAY_SIZE(ap81_spi_info));
 112
 113         ar71xx_add_device_gpio_buttons(-1, AP81_BUTTONS_POLL_INTERVAL,
 114                                         ARRAY_SIZE(ap81_gpio_buttons),
 115                                         ap81_gpio_buttons);
 116
 117         ar91xx_add_device_wmac();
 118 }
 119
 120 MIPS_MACHINE(AR71XX_MACH_AP81, "Atheros AP81", ap81_setup);