target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c

   1 /*
   2  *  TP-LINK CPE210/220/510/520 board support
   3  *
   4  *  Copyright (C) 2014 Matthias Schiffer <mschiffer@universe-factory.net>
   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/gpio.h>
  12 #include <linux/platform_device.h>
  13
  14 #include <asm/mach-ath79/ath79.h>
  15 #include <asm/mach-ath79/ar71xx_regs.h>
  16
  17 #include "common.h"
  18 #include "dev-eth.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-m25p80.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25
  26 #define CPE510_GPIO_LED_LAN0    11
  27 #define CPE510_GPIO_LED_LAN1    12
  28 #define CPE510_GPIO_LED_L1      13
  29 #define CPE510_GPIO_LED_L2      14
  30 #define CPE510_GPIO_LED_L3      15
  31 #define CPE510_GPIO_LED_L4      16
  32
  33 #define CPE510_GPIO_EXTERNAL_LNA0       18
  34 #define CPE510_GPIO_EXTERNAL_LNA1       19
  35
  36 #define CPE510_GPIO_BTN_RESET   4
  37
  38 #define CPE510_KEYS_POLL_INTERVAL       20 /* msecs */
  39 #define CPE510_KEYS_DEBOUNCE_INTERVAL   (3 * CPE510_KEYS_POLL_INTERVAL)
  40
  41
  42 static struct gpio_led cpe510_leds_gpio[] __initdata = {
  43         {
  44                 .name           = "tp-link:green:lan0",
  45                 .gpio           = CPE510_GPIO_LED_LAN0,
  46                 .active_low     = 1,
  47         }, {
  48                 .name           = "tp-link:green:lan1",
  49                 .gpio           = CPE510_GPIO_LED_LAN1,
  50                 .active_low     = 1,
  51         }, {
  52                 .name           = "tp-link:green:link1",
  53                 .gpio           = CPE510_GPIO_LED_L1,
  54                 .active_low     = 1,
  55         }, {
  56                 .name           = "tp-link:green:link2",
  57                 .gpio           = CPE510_GPIO_LED_L2,
  58                 .active_low     = 1,
  59         }, {
  60                 .name           = "tp-link:green:link3",
  61                 .gpio           = CPE510_GPIO_LED_L3,
  62                 .active_low     = 1,
  63         }, {
  64                 .name           = "tp-link:green:link4",
  65                 .gpio           = CPE510_GPIO_LED_L4,
  66                 .active_low     = 1,
  67         },
  68 };
  69
  70 static struct gpio_keys_button cpe510_gpio_keys[] __initdata = {
  71         {
  72                 .desc           = "Reset button",
  73                 .type           = EV_KEY,
  74                 .code           = KEY_RESTART,
  75                 .debounce_interval = CPE510_KEYS_DEBOUNCE_INTERVAL,
  76                 .gpio           = CPE510_GPIO_BTN_RESET,
  77                 .active_low     = 1,
  78         }
  79 };
  80
  81 static void __init cpe_setup(u8 *mac)
  82 {
  83         /* Disable JTAG, enabling GPIOs 0-3 */
  84         /* Configure OBS4 line, for GPIO 4*/
  85         ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
  86                                   AR934X_GPIO_FUNC_CLK_OBS4_EN);
  87
  88         ath79_register_leds_gpio(-1, ARRAY_SIZE(cpe510_leds_gpio),
  89                                  cpe510_leds_gpio);
  90
  91         ath79_register_gpio_keys_polled(1, CPE510_KEYS_POLL_INTERVAL,
  92                                         ARRAY_SIZE(cpe510_gpio_keys),
  93                                         cpe510_gpio_keys);
  94
  95         ath79_wmac_set_ext_lna_gpio(0, CPE510_GPIO_EXTERNAL_LNA0);
  96         ath79_wmac_set_ext_lna_gpio(1, CPE510_GPIO_EXTERNAL_LNA1);
  97
  98         ath79_register_m25p80(NULL);
  99
 100         ath79_register_mdio(1, 0);
 101         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
 102         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 103         ath79_register_eth(1);
 104 }
 105
 106
 107 static void __init cpe210_setup(void)
 108 {
 109         u8 *mac = (u8 *) KSEG1ADDR(0x1f830008);
 110         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 111
 112         cpe_setup(mac);
 113
 114         ath79_register_wmac(ee, mac);
 115 }
 116
 117 static void __init cpe510_setup(void)
 118 {
 119         u8 *mac = (u8 *) KSEG1ADDR(0x1f830008);
 120         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 121
 122         cpe_setup(mac);
 123
 124         ath79_register_wmac(ee, mac);
 125 }
 126
 127 MIPS_MACHINE(ATH79_MACH_CPE210, "CPE210", "TP-LINK CPE210/220",
 128              cpe210_setup);
 129
 130 MIPS_MACHINE(ATH79_MACH_CPE510, "CPE510", "TP-LINK CPE510/520",
 131              cpe510_setup);