target/linux/ar71xx/files/arch/mips/ath79/mach-re450.c

   1 /*
   2  * TP-LINK Archer RE450 board support
   3  *
   4  * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org>
   5  * Copyright (c) 2016 Tal Keren <kooolk@gmail.com>
   6  *
   7  * Based on the Qualcomm Atheros AP135/AP136 reference board support code
   8  *   Copyright (c) 2012 Qualcomm Atheros
   9  *
  10  * Permission to use, copy, modify, and/or distribute this software for any
  11  * purpose with or without fee is hereby granted, provided that the above
  12  * copyright notice and this permission notice appear in all copies.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  15  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  16  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  17  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  19  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  20  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21  *
  22  */
  23
  24 #include <linux/pci.h>
  25 #include <linux/phy.h>
  26 #include <linux/gpio.h>
  27 #include <linux/platform_data/mdio-gpio.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/ar8216_platform.h>
  30
  31 #include <asm/mach-ath79/ath79.h>
  32 #include <asm/mach-ath79/ar71xx_regs.h>
  33
  34 #include "common.h"
  35 #include "dev-ap9x-pci.h"
  36 #include "dev-eth.h"
  37 #include "dev-gpio-buttons.h"
  38 #include "dev-leds-gpio.h"
  39 #include "dev-m25p80.h"
  40 #include "dev-wmac.h"
  41 #include "machtypes.h"
  42 #include "pci.h"
  43
  44 #define RE450_GPIO_LED_SYSTEM           12
  45 #define RE450_GPIO_LED_WLAN2G           13
  46 #define RE450_GPIO_LED_WLAN5G           14
  47 #define RE450_GPIO_LED_LAN_DATA         17
  48 #define RE450_GPIO_LED_JUMPSTART        21
  49 #define RE450_GPIO_LED_JUMPSTART_RED    22
  50 #define RE450_GPIO_LED_LAN_LINK         23
  51
  52 #define RE450_GPIO_BTN_RESET            18
  53 #define RE450_GPIO_BTN_LED              19
  54 #define RE450_GPIO_BTN_JUMPSTART        20
  55
  56 #define RE450_GPIO_SMI_MDIO             1
  57 #define RE450_GPIO_SMI_MDC              3
  58
  59 #define RE450_LAN_PHYADDR               4
  60
  61 #define RE450_KEYS_POLL_INTERVAL        20      /* msecs */
  62 #define RE450_KEYS_DEBOUNCE_INTERVAL (3 * RE450_KEYS_POLL_INTERVAL)
  63
  64 #define RE450_WMAC_CALDATA_OFFSET       0x1000
  65
  66 static const char *tl_re450_part_probes[] = {
  67         "cmdlinepart",
  68         NULL,
  69 };
  70
  71 static struct flash_platform_data tl_re450_flash_data = {
  72         .part_probes    = tl_re450_part_probes,
  73 };
  74
  75 static struct gpio_led re450_leds_gpio[] __initdata = {
  76         {
  77                 .name           = "re450:blue:power",
  78                 .gpio           = RE450_GPIO_LED_SYSTEM,
  79                 .active_low     = 1,
  80         },
  81         {
  82                 .name           = "re450:blue:wlan2g",
  83                 .gpio           = RE450_GPIO_LED_WLAN2G,
  84                 .active_low     = 1,
  85         },
  86         {
  87                 .name           = "re450:blue:wlan5g",
  88                 .gpio           = RE450_GPIO_LED_WLAN5G,
  89                 .active_low     = 1,
  90         },
  91         {
  92                 .name           = "re450:blue:wps",
  93                 .gpio           = RE450_GPIO_LED_JUMPSTART,
  94         },
  95         {
  96                 .name           = "re450:red:wps",
  97                 .gpio           = RE450_GPIO_LED_JUMPSTART_RED,
  98         },
  99         {
 100                 .name           = "re450:green:lan_data",
 101                 .gpio           = RE450_GPIO_LED_LAN_DATA,
 102                 .active_low     = 1,
 103         },
 104         {
 105                 .name           = "re450:green:lan_link",
 106                 .gpio           = RE450_GPIO_LED_LAN_LINK,
 107                 .active_low     = 1,
 108         },
 109 };
 110
 111 static struct gpio_keys_button re450_gpio_keys[] __initdata = {
 112         {
 113                 .desc           = "Reset button",
 114                 .type           = EV_KEY,
 115                 .code           = KEY_WPS_BUTTON,
 116                 .debounce_interval = RE450_KEYS_DEBOUNCE_INTERVAL,
 117                 .gpio           = RE450_GPIO_BTN_RESET,
 118                 .active_low     = 1,
 119         },
 120         {
 121                 .desc           = "WPS button",
 122                 .type           = EV_KEY,
 123                 .code           = KEY_RESTART,
 124                 .debounce_interval = RE450_KEYS_DEBOUNCE_INTERVAL,
 125                 .gpio           = RE450_GPIO_BTN_JUMPSTART,
 126                 .active_low     = 1,
 127         },
 128         {
 129                 .desc           = "Control LED button",
 130                 .type           = EV_KEY,
 131                 .code           = BTN_0,
 132                 .debounce_interval = RE450_KEYS_DEBOUNCE_INTERVAL,
 133                 .gpio           = RE450_GPIO_BTN_LED,
 134                 .active_low     = 1,
 135         },
 136 };
 137
 138 static struct mdio_gpio_platform_data re450_mdio = {
 139         .mdc            = RE450_GPIO_SMI_MDC,
 140         .mdio           = RE450_GPIO_SMI_MDIO,
 141         .phy_mask       = ~BIT(RE450_LAN_PHYADDR),
 142 };
 143
 144 static struct platform_device re450_phy_device = {
 145         .name   = "mdio-gpio",
 146         .id     = 0,
 147         .dev    = {
 148                 .platform_data = &re450_mdio,
 149         },
 150 };
 151
 152 static void __init re450_setup(void)
 153 {
 154         u8 *mac = (u8 *) KSEG1ADDR(0x1f610008);
 155         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 156         u8 tmpmac[ETH_ALEN];
 157
 158         ath79_register_m25p80(&tl_re450_flash_data);
 159         ath79_register_leds_gpio(-1, ARRAY_SIZE(re450_leds_gpio),
 160                                  re450_leds_gpio);
 161         ath79_register_gpio_keys_polled(-1, RE450_KEYS_POLL_INTERVAL,
 162                                         ARRAY_SIZE(re450_gpio_keys),
 163                                         re450_gpio_keys);
 164
 165         ath79_init_mac(tmpmac, mac, -1);
 166         ath79_register_wmac(art + RE450_WMAC_CALDATA_OFFSET, tmpmac);
 167
 168         ath79_register_pci();
 169
 170         /* MDIO Interface */
 171         platform_device_register(&re450_phy_device);
 172
 173         ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
 174
 175         /* GMAC0 is connected to the RGMII interface to an Atheros AR8035-A */
 176         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 177         ath79_eth0_data.mii_bus_dev = &re450_phy_device.dev;
 178         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 179         ath79_eth0_data.phy_mask = BIT(RE450_LAN_PHYADDR);
 180         ath79_eth0_pll_data.pll_1000 = 0xa6000000;
 181         ath79_eth0_pll_data.pll_100 = 0xa0000101;
 182         ath79_eth0_pll_data.pll_10 = 0x80001313;
 183         ath79_register_eth(0);
 184 }
 185
 186 MIPS_MACHINE(ATH79_MACH_RE450, "RE450", "TP-LINK RE450",
 187              re450_setup)