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  *  Copyright (C) 2011 Gabor Juhos <juhosg@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/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/platform_device.h>
  15
  16 #include <asm/mach-ar71xx/ar71xx.h>
  17
  18 #include "machtype.h"
  19 #include "devices.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "dev-usb.h"
  24 #include "dev-ar9xxx-wmac.h"
  25 #include "dev-db120-pci.h"
  26
  27 #define DB120_GPIO_LED_USB      11
  28 #define DB120_GPIO_LED_WLAN_5G  12
  29 #define DB120_GPIO_LED_WLAN_2G  13
  30 #define DB120_GPIO_LED_STATUS   14
  31 #define DB120_GPIO_LED_WPS      15
  32
  33 #define DB120_GPIO_BTN_WPS      16
  34
  35 #define DB120_MAC0_OFFSET       0
  36 #define DB120_MAC1_OFFSET       6
  37 #define DB120_WMAC_CALDATA_OFFSET 0x1000
  38 #define DB120_PCIE_CALDATA_OFFSET 0x5000
  39
  40 #define DB120_KEYS_POLL_INTERVAL        20      /* msecs */
  41 #define DB120_KEYS_DEBOUNCE_INTERVAL    (3 * DB120_KEYS_POLL_INTERVAL)
  42
  43 #ifdef CONFIG_MTD_PARTITIONS
  44 static struct mtd_partition db120_partitions[] = {
  45         {
  46                 .name           = "u-boot",
  47                 .offset         = 0,
  48                 .size           = 0x040000,
  49                 .mask_flags     = MTD_WRITEABLE,
  50         }, {
  51                 .name           = "u-boot-env",
  52                 .offset         = 0x040000,
  53                 .size           = 0x010000,
  54         }, {
  55                 .name           = "rootfs",
  56                 .offset         = 0x050000,
  57                 .size           = 0x630000,
  58         }, {
  59                 .name           = "uImage",
  60                 .offset         = 0x680000,
  61                 .size           = 0x160000,
  62         }, {
  63                 .name           = "NVRAM",
  64                 .offset         = 0x7E0000,
  65                 .size           = 0x010000,
  66         }, {
  67                 .name           = "ART",
  68                 .offset         = 0x7F0000,
  69                 .size           = 0x010000,
  70                 .mask_flags     = MTD_WRITEABLE,
  71         }
  72 };
  73 #endif /* CONFIG_MTD_PARTITIONS */
  74
  75 static struct flash_platform_data db120_flash_data = {
  76 #ifdef CONFIG_MTD_PARTITIONS
  77         .parts          = db120_partitions,
  78         .nr_parts       = ARRAY_SIZE(db120_partitions),
  79 #endif
  80 };
  81
  82 static struct gpio_led db120_leds_gpio[] __initdata = {
  83         {
  84                 .name           = "db120:green:status",
  85                 .gpio           = DB120_GPIO_LED_STATUS,
  86                 .active_low     = 1,
  87         }, {
  88                 .name           = "db120:green:wps",
  89                 .gpio           = DB120_GPIO_LED_WPS,
  90                 .active_low     = 1,
  91         }, {
  92                 .name           = "db120:green:wlan-5g",
  93                 .gpio           = DB120_GPIO_LED_WLAN_5G,
  94                 .active_low     = 1,
  95         }, {
  96                 .name           = "db120:green:wlan-2g",
  97                 .gpio           = DB120_GPIO_LED_WLAN_2G,
  98                 .active_low     = 1,
  99         }, {
 100                 .name           = "db120:green:usb",
 101                 .gpio           = DB120_GPIO_LED_USB,
 102                 .active_low     = 1,
 103         }
 104 };
 105
 106 static struct gpio_keys_button db120_gpio_keys[] __initdata = {
 107         {
 108                 .desc           = "WPS button",
 109                 .type           = EV_KEY,
 110                 .code           = KEY_WPS_BUTTON,
 111                 .debounce_interval = DB120_KEYS_DEBOUNCE_INTERVAL,
 112                 .gpio           = DB120_GPIO_BTN_WPS,
 113                 .active_low     = 1,
 114         }
 115 };
 116
 117 static void __init db120_gmac_setup(void)
 118 {
 119         void __iomem *base;
 120         u32 t;
 121
 122         base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
 123
 124         t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
 125         t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_MII_GMAC0 |
 126                AR934X_ETH_CFG_MII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE);
 127         __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
 128
 129         iounmap(base);
 130 }
 131
 132 static void __init db120_setup(void)
 133 {
 134         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 135
 136         ar71xx_gpio_output_select(DB120_GPIO_LED_USB, AR934X_GPIO_OUT_GPIO);
 137
 138         ar71xx_add_device_usb();
 139
 140         ar71xx_add_device_m25p80(&db120_flash_data);
 141
 142         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
 143                                         db120_leds_gpio);
 144
 145         ar71xx_register_gpio_keys_polled(-1, DB120_KEYS_POLL_INTERVAL,
 146                                          ARRAY_SIZE(db120_gpio_keys),
 147                                          db120_gpio_keys);
 148
 149         db120_gmac_setup();
 150
 151         ar71xx_add_device_mdio(0, 0x0);
 152         ar71xx_add_device_mdio(1, 0x0);
 153
 154         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, art + DB120_MAC0_OFFSET, 0);
 155 #if 0
 156         /* GMAC0 is connected to an AR8327 switch */
 157         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 158         ar71xx_eth0_data.speed = SPEED_1000;
 159         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 160 #else
 161         /* GMAC0 is connected to PHY4 of the internal switch */
 162         ar71xx_switch_data.phy4_mii_en = 1;
 163
 164         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 165         ar71xx_eth0_data.phy_mask = BIT(4);
 166         ar71xx_eth0_data.mii_bus_dev = &ar71xx_mdio1_device.dev;
 167 #endif
 168
 169         ar71xx_add_device_eth(0);
 170
 171         /* GMAC1 is connected to the internal switch */
 172         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, art + DB120_MAC1_OFFSET, 0);
 173         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 174         ar71xx_eth1_data.speed = SPEED_1000;
 175         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 176
 177         ar71xx_add_device_eth(1);
 178
 179         ar9xxx_add_device_wmac(art + DB120_WMAC_CALDATA_OFFSET, NULL);
 180
 181         db120_pci_init(art + DB120_PCIE_CALDATA_OFFSET, NULL);
 182 }
 183
 184 MIPS_MACHINE(AR71XX_MACH_DB120, "DB120", "Atheros DB120", db120_setup);