target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wr841n-v8.c

   1 /*
   2  *  TP-LINK TL-WR841N/ND v8 board support
   3  *
   4  *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
   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/platform_device.h>
  12
  13 #include <asm/mach-ath79/ath79.h>
  14 #include <asm/mach-ath79/ar71xx_regs.h>
  15
  16 #include "common.h"
  17 #include "dev-eth.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-wmac.h"
  22 #include "machtypes.h"
  23
  24 #define TL_WR841NV8_GPIO_LED_WLAN       13
  25 #define TL_WR841NV8_GPIO_LED_QSS        15
  26 #define TL_WR841NV8_GPIO_LED_WAN        18
  27 #define TL_WR841NV8_GPIO_LED_LAN1       19
  28 #define TL_WR841NV8_GPIO_LED_LAN2       20
  29 #define TL_WR841NV8_GPIO_LED_LAN3       21
  30 #define TL_WR841NV8_GPIO_LED_LAN4       12
  31 #define TL_WR841NV8_GPIO_LED_SYSTEM     14
  32
  33 #define TL_WR841NV8_GPIO_BTN_RESET      17
  34 #define TL_WR841NV8_GPIO_SW_RFKILL      16
  35
  36 #define TL_WR841NV8_KEYS_POLL_INTERVAL  20      /* msecs */
  37 #define TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR841NV8_KEYS_POLL_INTERVAL)
  38
  39 static const char *tl_wr841n_v8_part_probes[] = {
  40         "tp-link",
  41         NULL,
  42 };
  43
  44 static struct flash_platform_data tl_wr841n_v8_flash_data = {
  45         .part_probes    = tl_wr841n_v8_part_probes,
  46 };
  47
  48 static struct gpio_led tl_wr841n_v8_leds_gpio[] __initdata = {
  49         {
  50                 .name           = "tp-link:green:lan1",
  51                 .gpio           = TL_WR841NV8_GPIO_LED_LAN1,
  52                 .active_low     = 1,
  53         }, {
  54                 .name           = "tp-link:green:lan2",
  55                 .gpio           = TL_WR841NV8_GPIO_LED_LAN2,
  56                 .active_low     = 1,
  57         }, {
  58                 .name           = "tp-link:green:lan3",
  59                 .gpio           = TL_WR841NV8_GPIO_LED_LAN3,
  60                 .active_low     = 1,
  61         }, {
  62                 .name           = "tp-link:green:lan4",
  63                 .gpio           = TL_WR841NV8_GPIO_LED_LAN4,
  64                 .active_low     = 1,
  65         }, {
  66                 .name           = "tp-link:green:qss",
  67                 .gpio           = TL_WR841NV8_GPIO_LED_QSS,
  68                 .active_low     = 1,
  69         }, {
  70                 .name           = "tp-link:green:system",
  71                 .gpio           = TL_WR841NV8_GPIO_LED_SYSTEM,
  72                 .active_low     = 1,
  73         }, {
  74                 .name           = "tp-link:green:wan",
  75                 .gpio           = TL_WR841NV8_GPIO_LED_WAN,
  76                 .active_low     = 1,
  77         }, {
  78                 .name           = "tp-link:green:wlan",
  79                 .gpio           = TL_WR841NV8_GPIO_LED_WLAN,
  80                 .active_low     = 1,
  81         },
  82 };
  83
  84 static struct gpio_keys_button tl_wr841n_v8_gpio_keys[] __initdata = {
  85         {
  86                 .desc           = "Reset button",
  87                 .type           = EV_KEY,
  88                 .code           = KEY_RESTART,
  89                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
  90                 .gpio           = TL_WR841NV8_GPIO_BTN_RESET,
  91                 .active_low     = 1,
  92         }, {
  93                 .desc           = "RFKILL switch",
  94                 .type           = EV_SW,
  95                 .code           = KEY_RFKILL,
  96                 .debounce_interval = TL_WR841NV8_KEYS_DEBOUNCE_INTERVAL,
  97                 .gpio           = TL_WR841NV8_GPIO_SW_RFKILL,
  98                 .active_low     = 0,
  99         }
 100 };
 101
 102 static void __init tl_wr841n_v8_gmac_setup(void)
 103 {
 104         void __iomem *base;
 105         u32 t;
 106
 107         base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
 108
 109         t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
 110
 111         t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_MII_GMAC0 |
 112                AR934X_ETH_CFG_GMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE |
 113                AR934X_ETH_CFG_SW_PHY_SWAP);
 114
 115         t |= AR934X_ETH_CFG_SW_PHY_SWAP;
 116         __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
 117         t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
 118
 119         iounmap(base);
 120 }
 121
 122 static void __init tl_wr841n_v8_setup(void)
 123 {
 124         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 125         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 126
 127         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr841n_v8_leds_gpio),
 128                                  tl_wr841n_v8_leds_gpio);
 129
 130         ath79_register_gpio_keys_polled(1, TL_WR841NV8_KEYS_POLL_INTERVAL,
 131                                         ARRAY_SIZE(tl_wr841n_v8_gpio_keys),
 132                                         tl_wr841n_v8_gpio_keys);
 133
 134         ath79_register_m25p80(&tl_wr841n_v8_flash_data);
 135
 136         tl_wr841n_v8_gmac_setup();
 137
 138         ath79_register_mdio(1, 0x0);
 139
 140         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
 141         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
 142
 143         /* GMAC0 is connected to the PHY0 of the internal switch */
 144         ath79_switch_data.phy4_mii_en = 1;
 145         ath79_switch_data.phy_poll_mask = BIT(0);
 146         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 147         ath79_eth0_data.phy_mask = BIT(0);
 148         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 149         ath79_register_eth(0);
 150
 151         /* GMAC1 is connected to the internal switch */
 152         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 153         ath79_register_eth(1);
 154
 155         ath79_register_wmac(ee, mac);
 156 }
 157
 158 MIPS_MACHINE(ATH79_MACH_TL_WR841N_V8, "TL-WR841N-v8", "TP-LINK TL-WR841N/ND v8",
 159              tl_wr841n_v8_setup);