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_GPIO_EXTERNAL_LNA0   14
  46 #define MYNET_N600_GPIO_EXTERNAL_LNA1   15
  47
  48 #define MYNET_N600_KEYS_POLL_INTERVAL   20      /* msecs */
  49 #define MYNET_N600_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_N600_KEYS_POLL_INTERVAL)
  50
  51 #define MYNET_N600_MAC0_OFFSET          0
  52 #define MYNET_N600_MAC1_OFFSET          6
  53 #define MYNET_N600_WMAC_CALDATA_OFFSET  0x1000
  54 #define MYNET_N600_PCIE_CALDATA_OFFSET  0x5000
  55
  56 #define MYNET_N600_NVRAM_ADDR           0x1f058010
  57 #define MYNET_N600_NVRAM_SIZE           0x7ff0
  58
  59 static struct gpio_led mynet_n600_leds_gpio[] __initdata = {
  60         {
  61                 .name           = "wd:blue:power",
  62                 .gpio           = MYNET_N600_GPIO_LED_POWER,
  63                 .active_low     = 0,
  64         },
  65         {
  66                 .name           = "wd:blue:wps",
  67                 .gpio           = MYNET_N600_GPIO_LED_WPS,
  68                 .active_low     = 0,
  69         },
  70         {
  71                 .name           = "wd:blue:wireless",
  72                 .gpio           = MYNET_N600_GPIO_LED_WIFI,
  73                 .active_low     = 0,
  74         },
  75         {
  76                 .name           = "wd:blue:internet",
  77                 .gpio           = MYNET_N600_GPIO_LED_INTERNET,
  78                 .active_low     = 0,
  79         },
  80         {
  81                 .name           = "wd:green:lan1",
  82                 .gpio           = MYNET_N600_GPIO_LED_LAN1,
  83                 .active_low     = 1,
  84         },
  85         {
  86                 .name           = "wd:green:lan2",
  87                 .gpio           = MYNET_N600_GPIO_LED_LAN2,
  88                 .active_low     = 1,
  89         },
  90         {
  91                 .name           = "wd:green:lan3",
  92                 .gpio           = MYNET_N600_GPIO_LED_LAN3,
  93                 .active_low     = 1,
  94         },
  95         {
  96                 .name           = "wd:green:lan4",
  97                 .gpio           = MYNET_N600_GPIO_LED_LAN4,
  98                 .active_low     = 1,
  99         },
 100 };
 101
 102 static struct gpio_keys_button mynet_n600_gpio_keys[] __initdata = {
 103         {
 104                 .desc           = "Reset button",
 105                 .type           = EV_KEY,
 106                 .code           = KEY_RESTART,
 107                 .debounce_interval = MYNET_N600_KEYS_DEBOUNCE_INTERVAL,
 108                 .gpio           = MYNET_N600_GPIO_BTN_RESET,
 109                 .active_low     = 1,
 110         },
 111         {
 112                 .desc           = "WPS button",
 113                 .type           = EV_KEY,
 114                 .code           = KEY_WPS_BUTTON,
 115                 .debounce_interval = MYNET_N600_KEYS_DEBOUNCE_INTERVAL,
 116                 .gpio           = MYNET_N600_GPIO_BTN_WPS,
 117                 .active_low     = 1,
 118         },
 119 };
 120
 121 static void mynet_n600_get_mac(const char *name, char *mac)
 122 {
 123         u8 *nvram = (u8 *) KSEG1ADDR(MYNET_N600_NVRAM_ADDR);
 124         int err;
 125
 126         err = ath79_nvram_parse_mac_addr(nvram, MYNET_N600_NVRAM_SIZE,
 127                                          name, mac);
 128         if (err)
 129                 pr_err("no MAC address found for %s\n", name);
 130 }
 131
 132 #define MYNET_N600_WAN_PHY_MASK BIT(0)
 133
 134 static void __init mynet_n600_setup(void)
 135 {
 136         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 137         u8 tmpmac[ETH_ALEN];
 138
 139         ath79_register_m25p80(NULL);
 140
 141         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN1,
 142                                  AR934X_GPIO_OUT_GPIO);
 143         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN2,
 144                                  AR934X_GPIO_OUT_GPIO);
 145         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN3,
 146                                  AR934X_GPIO_OUT_GPIO);
 147         ath79_gpio_output_select(MYNET_N600_GPIO_LED_LAN4,
 148                                  AR934X_GPIO_OUT_GPIO);
 149         ath79_gpio_output_select(MYNET_N600_GPIO_LED_INTERNET,
 150                                  AR934X_GPIO_OUT_GPIO);
 151         ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_n600_leds_gpio),
 152                                  mynet_n600_leds_gpio);
 153
 154         ath79_register_gpio_keys_polled(-1, MYNET_N600_KEYS_POLL_INTERVAL,
 155                                         ARRAY_SIZE(mynet_n600_gpio_keys),
 156                                         mynet_n600_gpio_keys);
 157
 158         /*
 159          * Control signal for external LNAs 0 and 1
 160          * Taken from GPL bootloader source:
 161          *   board/ar7240/db12x/alpha_gpio.c
 162          */
 163         ath79_wmac_set_ext_lna_gpio(0, MYNET_N600_GPIO_EXTERNAL_LNA0);
 164         ath79_wmac_set_ext_lna_gpio(1, MYNET_N600_GPIO_EXTERNAL_LNA1);
 165
 166         mynet_n600_get_mac("wlan24mac=", tmpmac);
 167         ath79_register_wmac(art + MYNET_N600_WMAC_CALDATA_OFFSET, tmpmac);
 168
 169         mynet_n600_get_mac("wlan5mac=", tmpmac);
 170         ap91_pci_init(art + MYNET_N600_PCIE_CALDATA_OFFSET, tmpmac);
 171
 172         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE |
 173                                    AR934X_ETH_CFG_SW_PHY_SWAP);
 174
 175         ath79_register_mdio(1, 0x0);
 176
 177         /* LAN */
 178         mynet_n600_get_mac("lanmac=", ath79_eth1_data.mac_addr);
 179
 180         /* GMAC1 is connected to the internal switch */
 181         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 182
 183         ath79_register_eth(1);
 184
 185         /* WAN */
 186         mynet_n600_get_mac("wanmac=", ath79_eth0_data.mac_addr);
 187
 188         /* GMAC0 is connected to the PHY4 of the internal switch */
 189         ath79_switch_data.phy4_mii_en = 1;
 190         ath79_switch_data.phy_poll_mask = MYNET_N600_WAN_PHY_MASK;
 191
 192         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 193         ath79_eth0_data.phy_mask = MYNET_N600_WAN_PHY_MASK;
 194         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 195
 196         ath79_register_eth(0);
 197
 198         ath79_register_usb();
 199 }
 200
 201 MIPS_MACHINE(ATH79_MACH_MYNET_N600, "MYNET-N600", "WD My Net N600",
 202              mynet_n600_setup);