target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-n600.c

   1 /*
   2  *  WD My Net N600 board support
   3  *
   4  *  Copyright (C) 2013 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/pci.h>
  12 #include <linux/phy.h>
  13 #include <linux/gpio.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/ath9k_platform.h>
  16 #include <linux/ar8216_platform.h>
  17
  18 #include <asm/mach-ath79/ar71xx_regs.h>
  19
  20 #include "common.h"
  21 #include "dev-ap9x-pci.h"
  22 #include "dev-eth.h"
  23 #include "dev-gpio-buttons.h"
  24 #include "dev-leds-gpio.h"
  25 #include "dev-m25p80.h"
  26 #include "dev-spi.h"
  27 #include "dev-usb.h"
  28 #include "dev-wmac.h"
  29 #include "machtypes.h"
  30 #include "nvram.h"
  31
  32 #define MYNET_N600_GPIO_LED_WIFI        0
  33 #define MYNET_N600_GPIO_LED_POWER       11
  34 #define MYNET_N600_GPIO_LED_INTERNET    12
  35 #define MYNET_N600_GPIO_LED_WPS         13
  36
  37 #define MYNET_N600_GPIO_LED_LAN1        4
  38 #define MYNET_N600_GPIO_LED_LAN2        3
  39 #define MYNET_N600_GPIO_LED_LAN3        2
  40 #define MYNET_N600_GPIO_LED_LAN4        1
  41
  42 #define MYNET_N600_GPIO_BTN_RESET       16
  43 #define MYNET_N600_GPIO_BTN_WPS         17
  44
  45 #define MYNET_N600_KEYS_POLL_INTERVAL   20      /* msecs */
  46 #define MYNET_N600_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_N600_KEYS_POLL_INTERVAL)
  47
  48 #define MYNET_N600_MAC0_OFFSET          0
  49 #define MYNET_N600_MAC1_OFFSET          6
  50 #define MYNET_N600_WMAC_CALDATA_OFFSET  0x1000
  51 #define MYNET_N600_PCIE_CALDATA_OFFSET  0x5000
  52
  53 #define MYNET_N600_NVRAM_ADDR           0x1f058010
  54 #define MYNET_N600_NVRAM_SIZE           0x7ff0
  55
  56 static struct gpio_led mynet_n600_leds_gpio[] __initdata = {
  57         {
  58                 .name           = "wd:blue:power",
  59                 .gpio           = MYNET_N600_GPIO_LED_POWER,
  60                 .active_low     = 0,
  61         },
  62         {
  63                 .name           = "wd:blue:wps",
  64                 .gpio           = MYNET_N600_GPIO_LED_WPS,
  65                 .active_low     = 0,
  66         },
  67         {
  68                 .name           = "wd:blue:wireless",
  69                 .gpio           = MYNET_N600_GPIO_LED_WIFI,
  70                 .active_low     = 0,
  71         },
  72         {
  73                 .name           = "wd:blue:internet",
  74                 .gpio           = MYNET_N600_GPIO_LED_INTERNET,
  75                 .active_low     = 0,
  76         },
  77         {
  78                 .name           = "wd:green:lan1",
  79                 .gpio           = MYNET_N600_GPIO_LED_LAN1,
  80                 .active_low     = 1,
  81         },
  82         {
  83                 .name           = "wd:green:lan2",
  84                 .gpio           = MYNET_N600_GPIO_LED_LAN2,
  85                 .active_low     = 1,
  86         },
  87         {
  88                 .name           = "wd:green:lan3",
  89                 .gpio           = MYNET_N600_GPIO_LED_LAN3,
  90                 .active_low     = 1,
  91         },
  92         {
  93                 .name           = "wd:green:lan4",
  94                 .gpio           = MYNET_N600_GPIO_LED_LAN4,
  95                 .active_low     = 1,
  96         },
  97 };
  98
  99 static struct gpio_keys_button mynet_n600_gpio_keys[] __initdata = {
 100         {
 101                 .desc           = "Reset button",
 102                 .type           = EV_KEY,
 103                 .code           = KEY_WPS_BUTTON,
 104                 .debounce_interval = MYNET_N600_KEYS_DEBOUNCE_INTERVAL,
 105                 .gpio           = MYNET_N600_GPIO_BTN_RESET,
 106                 .active_low     = 1,
 107         },
 108         {
 109                 .desc           = "WPS button",
 110                 .type           = EV_KEY,
 111                 .code           = KEY_WPS_BUTTON,
 112                 .debounce_interval = MYNET_N600_KEYS_DEBOUNCE_INTERVAL,
 113                 .gpio           = MYNET_N600_GPIO_BTN_WPS,
 114                 .active_low     = 1,
 115         },
 116 };
 117
 118 static void mynet_n600_get_mac(const char *name, char *mac)
 119 {
 120         u8 *nvram = (u8 *) KSEG1ADDR(MYNET_N600_NVRAM_ADDR);
 121         int err;
 122
 123         err = ath79_nvram_parse_mac_addr(nvram, MYNET_N600_NVRAM_SIZE,
 124                                          name, mac);
 125         if (err)
 126                 pr_err("no MAC address found for %s\n", name);
 127 }
 128
 129 #define MYNET_N600_WAN_PHY_MASK BIT(0)
 130
 131 static void __init mynet_n600_setup(void)
 132 {
 133         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 134         u8 tmpmac[ETH_ALEN];
 135
 136         ath79_register_m25p80(NULL);
 137
 138         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN1,
 139                                  AR934X_GPIO_OUT_GPIO);
 140         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN2,
 141                                  AR934X_GPIO_OUT_GPIO);
 142         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN3,
 143                                  AR934X_GPIO_OUT_GPIO);
 144         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN4,
 145                                  AR934X_GPIO_OUT_GPIO);
 146         ath79_gpio_output_select(MYNET_N600_GPIO_LED_INTERNET,
 147                                  AR934X_GPIO_OUT_GPIO);
 148         ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_n600_leds_gpio),
 149                                  mynet_n600_leds_gpio);
 150
 151         ath79_register_gpio_keys_polled(-1, MYNET_N600_KEYS_POLL_INTERVAL,
 152                                         ARRAY_SIZE(mynet_n600_gpio_keys),
 153                                         mynet_n600_gpio_keys);
 154
 155         mynet_n600_get_mac("wlan24mac=", tmpmac);
 156         ath79_register_wmac(art + MYNET_N600_WMAC_CALDATA_OFFSET, tmpmac);
 157
 158         mynet_n600_get_mac("wlan5mac=", tmpmac);
 159         ap91_pci_init(art + MYNET_N600_PCIE_CALDATA_OFFSET, tmpmac);
 160
 161         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE |
 162                                    AR934X_ETH_CFG_SW_PHY_SWAP);
 163
 164         ath79_register_mdio(1, 0x0);
 165
 166         /* LAN */
 167         mynet_n600_get_mac("lanmac=", ath79_eth1_data.mac_addr);
 168
 169         /* GMAC1 is connected to the internal switch */
 170         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 171
 172         ath79_register_eth(1);
 173
 174         /* WAN */
 175         mynet_n600_get_mac("wanmac=", ath79_eth0_data.mac_addr);
 176
 177         /* GMAC0 is connected to the PHY4 of the internal switch */
 178         ath79_switch_data.phy4_mii_en = 1;
 179         ath79_switch_data.phy_poll_mask = MYNET_N600_WAN_PHY_MASK;
 180
 181         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 182         ath79_eth0_data.phy_mask = MYNET_N600_WAN_PHY_MASK;
 183         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 184
 185         ath79_register_eth(0);
 186
 187         ath79_register_usb();
 188 }
 189
 190 MIPS_MACHINE(ATH79_MACH_MYNET_N600, "MYNET-N600", "WD My Net N600",
 191              mynet_n600_setup);