target/linux/ar71xx/files/arch/mips/ath79/mach-alfa-ap120c.c

   1 /*
   2  *  ALFA Network AP120C board support
   3  *
   4  *  Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2016 Luka Perkov <luka@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/init.h>
  13 #include <linux/bitops.h>
  14 #include <linux/gpio.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/spi/spi.h>
  17 #include <linux/ar8216_platform.h>
  18 #include <linux/ath9k_platform.h>
  19
  20 #include <asm/mach-ath79/ath79.h>
  21 #include <asm/mach-ath79/ar71xx_regs.h>
  22
  23 #include "common.h"
  24 #include "dev-eth.h"
  25 #include "dev-gpio-buttons.h"
  26 #include "dev-leds-gpio.h"
  27 #include "dev-m25p80.h"
  28 #include "dev-spi.h"
  29 #include "dev-ap9x-pci.h"
  30 #include "dev-wmac.h"
  31 #include "machtypes.h"
  32
  33 #define ALFA_AP120C_GPIO_LED    0
  34
  35 #define ALFA_AP120C_GPIO_BUTTON_WIFI    16
  36
  37 #define ALFA_AP120C_GPIO_WATCH_DOG      20
  38
  39 #define ALFA_AP120C_KEYS_POLL_INTERVAL          20      /* msecs */
  40 #define ALFA_AP120C_KEYS_DEBOUNCE_INTERVAL      (3 * ALFA_AP120C_KEYS_POLL_INTERVAL)
  41
  42 #define ALFA_AP120C_MAC_OFFSET          0x1002
  43 #define ALFA_AP120C_CAL0_OFFSET         0x1000
  44
  45 static struct gpio_keys_button alfa_ap120c_gpio_keys[] __initdata = {
  46         {
  47                 .desc           = "Wireless button",
  48                 .type           = EV_KEY,
  49                 .code           = KEY_RFKILL,
  50                 .debounce_interval = ALFA_AP120C_KEYS_DEBOUNCE_INTERVAL,
  51                 .gpio           = ALFA_AP120C_GPIO_BUTTON_WIFI,
  52                 .active_low     = 1,
  53         }
  54 };
  55
  56 static struct gpio_led alfa_ap120c_leds_gpio[] __initdata = {
  57         {
  58                         .name           = "ap120c:red:wlan",
  59                         .gpio           = ALFA_AP120C_GPIO_LED,
  60                         .active_low = 0,
  61         }
  62 };
  63
  64 static struct ar8327_pad_cfg ap120c_ar8327_pad0_cfg = {
  65         .mode = AR8327_PAD_MAC_RGMII,
  66         .txclk_delay_en = true,
  67         .rxclk_delay_en = true,
  68         .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
  69         .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
  70 };
  71
  72 static struct ar8327_platform_data ap120c_ar8327_data = {
  73         .pad0_cfg = &ap120c_ar8327_pad0_cfg,
  74         .port0_cfg = {
  75                 .force_link = 1,
  76                 .speed = AR8327_PORT_SPEED_1000,
  77                 .duplex = 1,
  78                 .txpause = 1,
  79                 .rxpause = 1,
  80         },
  81 };
  82
  83 static struct mdio_board_info ap120c_mdio0_info[] = {
  84         {
  85                 .bus_id = "ag71xx-mdio.0",
  86                 .phy_addr = 0,
  87                 .platform_data = &ap120c_ar8327_data,
  88         },
  89 };
  90
  91 static struct flash_platform_data flash __initdata = { NULL, NULL, 0 };
  92
  93 #define ALFA_AP120C_LAN_PHYMASK         BIT(5)
  94 #define ALFA_AP120C_MDIO_PHYMASK        ALFA_AP120C_LAN_PHYMASK
  95
  96 static void __init alfa_ap120c_init(void)
  97 {
  98         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  99         u8 mac[ETH_ALEN];
 100
 101         struct ath9k_platform_data *pdata;
 102
 103         ath79_register_leds_gpio(-1, ARRAY_SIZE(alfa_ap120c_leds_gpio),
 104                                                          alfa_ap120c_leds_gpio);
 105         ath79_register_gpio_keys_polled(-1, ALFA_AP120C_KEYS_POLL_INTERVAL,
 106                                                                         ARRAY_SIZE(alfa_ap120c_gpio_keys),
 107                                                                         alfa_ap120c_gpio_keys);
 108
 109         ath79_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 110                                                            AR71XX_GPIO_FUNC_SPI_CS2_EN);
 111
 112         ath79_register_m25p80_multi(&flash);
 113
 114         ath79_init_mac(mac, art + ALFA_AP120C_MAC_OFFSET, 1);
 115         ath79_register_wmac(art + ALFA_AP120C_CAL0_OFFSET, mac);
 116
 117         ath79_init_mac(mac, art + ALFA_AP120C_MAC_OFFSET, 2);
 118         ap91_pci_init(NULL, mac);
 119         pdata = ap9x_pci_get_wmac_data(0);
 120         if (!pdata) {
 121                 pr_err("ap120c: unable to get address of wlan data\n");
 122                 return;
 123         }
 124         pdata->use_eeprom = true;
 125
 126         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 127                                                            BIT(15) | BIT(17) | BIT(19) | BIT(21));
 128
 129         ath79_register_mdio(0, 0x0);
 130
 131         ath79_init_mac(ath79_eth0_data.mac_addr, art + ALFA_AP120C_MAC_OFFSET, 0);
 132
 133         mdiobus_register_board_info(ap120c_mdio0_info, ARRAY_SIZE(ap120c_mdio0_info));
 134
 135         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 136         ath79_eth0_data.phy_mask = ALFA_AP120C_LAN_PHYMASK;
 137
 138         ath79_eth0_pll_data.pll_1000 = 0x42000000;
 139         ath79_eth0_pll_data.pll_10 = 0x00001313;
 140
 141         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 142
 143         ath79_register_eth(0);
 144 }
 145
 146 MIPS_MACHINE(ATH79_MACH_ALFA_AP120C, "ALFA-AP120C", "ALFA Network AP120C",
 147                          alfa_ap120c_init);