target/linux/ar71xx/files/arch/mips/ar71xx/mach-db120.c

   1 /*
   2  *  Atheros DB120 board (WASP SoC) support
   3  *
   4  *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #include <linux/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13
  14 #include <asm/mach-ar71xx/ar71xx.h>
  15
  16 #include "machtype.h"
  17 #include "devices.h"
  18 #include "dev-m25p80.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-usb.h"
  22 #include "dev-ar9xxx-wmac.h"
  23 #include "dev-db120-pci.h"
  24
  25 #define DB120_GPIO_LED_USB      11
  26 #define DB120_GPIO_LED_WLAN_5G  12
  27 #define DB120_GPIO_LED_WLAN_2G  13
  28 #define DB120_GPIO_LED_STATUS   14
  29 #define DB120_GPIO_LED_WPS      15
  30
  31 #define DB120_GPIO_BTN_WPS      16
  32
  33 #define DB120_MAC0_OFFSET       0
  34 #define DB120_MAC1_OFFSET       6
  35 #define DB120_WMAC_CALDATA_OFFSET 0x1000
  36 #define DB120_PCIE_CALDATA_OFFSET 0x5000
  37
  38 #define DB120_KEYS_POLL_INTERVAL        20      /* msecs */
  39 #define DB120_KEYS_DEBOUNCE_INTERVAL    (3 * DB120_KEYS_POLL_INTERVAL)
  40
  41 #ifdef CONFIG_MTD_PARTITIONS
  42 static struct mtd_partition db120_partitions[] = {
  43         {
  44                 .name           = "u-boot",
  45                 .offset         = 0,
  46                 .size           = 0x040000,
  47                 .mask_flags     = MTD_WRITEABLE,
  48         }, {
  49                 .name           = "u-boot-env",
  50                 .offset         = 0x040000,
  51                 .size           = 0x010000,
  52         }, {
  53                 .name           = "rootfs",
  54                 .offset         = 0x050000,
  55                 .size           = 0x630000,
  56         }, {
  57                 .name           = "uImage",
  58                 .offset         = 0x680000,
  59                 .size           = 0x160000,
  60         }, {
  61                 .name           = "NVRAM",
  62                 .offset         = 0x7E0000,
  63                 .size           = 0x010000,
  64         }, {
  65                 .name           = "ART",
  66                 .offset         = 0x7F0000,
  67                 .size           = 0x010000,
  68                 .mask_flags     = MTD_WRITEABLE,
  69         }
  70 };
  71 #endif /* CONFIG_MTD_PARTITIONS */
  72
  73 static struct flash_platform_data db120_flash_data = {
  74 #ifdef CONFIG_MTD_PARTITIONS
  75         .parts          = db120_partitions,
  76         .nr_parts       = ARRAY_SIZE(db120_partitions),
  77 #endif
  78 };
  79
  80 static struct gpio_led db120_leds_gpio[] __initdata = {
  81         {
  82                 .name           = "db120:green:status",
  83                 .gpio           = DB120_GPIO_LED_STATUS,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "db120:green:wps",
  87                 .gpio           = DB120_GPIO_LED_WPS,
  88                 .active_low     = 1,
  89         }, {
  90                 .name           = "db120:green:wlan-5g",
  91                 .gpio           = DB120_GPIO_LED_WLAN_5G,
  92                 .active_low     = 1,
  93         }, {
  94                 .name           = "db120:green:wlan-2g",
  95                 .gpio           = DB120_GPIO_LED_WLAN_2G,
  96                 .active_low     = 1,
  97         }, {
  98                 .name           = "db120:green:usb",
  99                 .gpio           = DB120_GPIO_LED_USB,
 100                 .active_low     = 1,
 101         }
 102 };
 103
 104 static struct gpio_keys_button db120_gpio_keys[] __initdata = {
 105         {
 106                 .desc           = "WPS button",
 107                 .type           = EV_KEY,
 108                 .code           = KEY_WPS_BUTTON,
 109                 .debounce_interval = DB120_KEYS_DEBOUNCE_INTERVAL,
 110                 .gpio           = DB120_GPIO_BTN_WPS,
 111                 .active_low     = 1,
 112         }
 113 };
 114
 115 static void __init db120_setup(void)
 116 {
 117         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 118
 119         ar71xx_gpio_output_select(DB120_GPIO_LED_USB, AR934X_GPIO_OUT_GPIO);
 120
 121         ar71xx_add_device_usb();
 122
 123         ar71xx_add_device_m25p80(&db120_flash_data);
 124
 125         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
 126                                         db120_leds_gpio);
 127
 128         ar71xx_register_gpio_keys_polled(-1, DB120_KEYS_POLL_INTERVAL,
 129                                          ARRAY_SIZE(db120_gpio_keys),
 130                                          db120_gpio_keys);
 131
 132         ar71xx_add_device_mdio(0, 0x0);
 133         ar71xx_add_device_mdio(1, 0x0);
 134
 135         /* GMAC0 is connected to an AR8327 switch */
 136         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, art + DB120_MAC0_OFFSET, 0);
 137         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 138         ar71xx_eth0_data.speed = SPEED_1000;
 139         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 140
 141         ar71xx_add_device_eth(0);
 142
 143         /* GMAC1 is connected to the internal switch */
 144         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, art + DB120_MAC1_OFFSET, 0);
 145         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 146         ar71xx_eth1_data.speed = SPEED_1000;
 147         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 148
 149         ar71xx_add_device_eth(1);
 150
 151         ar9xxx_add_device_wmac(art + DB120_WMAC_CALDATA_OFFSET, NULL);
 152
 153         db120_pci_init(art + DB120_PCIE_CALDATA_OFFSET, NULL);
 154 }
 155
 156 MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);