1/* 2 * Buffalo WZR-450HP2 board support 3 * 4 * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org> 5 * 6 * Based on the Qualcomm Atheros AP135/AP136 reference board support code 7 * Copyright (c) 2012 Qualcomm Atheros 8 * 9 * Permission to use, copy, modify, and/or distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 * 21 */ 22 23#include <linux/phy.h> 24#include <linux/gpio.h> 25#include <linux/mtd/mtd.h> 26#include <linux/mtd/partitions.h> 27#include <linux/platform_device.h> 28#include <linux/ar8216_platform.h> 29 30#include <asm/mach-ath79/ar71xx_regs.h> 31 32#include "common.h" 33#include "dev-eth.h" 34#include "dev-gpio-buttons.h" 35#include "dev-leds-gpio.h" 36#include "dev-m25p80.h" 37#include "dev-spi.h" 38#include "dev-usb.h" 39#include "dev-wmac.h" 40#include "machtypes.h" 41 42#define WZR_450HP2_KEYS_POLL_INTERVAL 20 /* msecs */ 43#define WZR_450HP2_KEYS_DEBOUNCE_INTERVAL (3 * WZR_450HP2_KEYS_POLL_INTERVAL) 44 45#define WZR_450HP2_WMAC_CALDATA_OFFSET 0x1000 46 47static struct mtd_partition wzrhpg450h_partitions[] = { 48 { 49 .name = "u-boot", 50 .offset = 0, 51 .size = 0x0040000, 52 .mask_flags = MTD_WRITEABLE, 53 }, { 54 .name = "u-boot-env", 55 .offset = 0x0040000, 56 .size = 0x0010000, 57 }, { 58 .name = "ART", 59 .offset = 0x0ff0000, 60 .size = 0x0010000, 61 .mask_flags = MTD_WRITEABLE, 62 }, { 63 .name = "firmware", 64 .offset = 0x0050000, 65 .size = 0x0f90000, 66 }, { 67 .name = "user_property", 68 .offset = 0x0fe0000, 69 .size = 0x0010000, 70 } 71}; 72 73static struct flash_platform_data wzr_450hp2_flash_data = { 74 .parts = wzrhpg450h_partitions, 75 .nr_parts = ARRAY_SIZE(wzrhpg450h_partitions), 76}; 77 78static struct gpio_led wzr_450hp2_leds_gpio[] __initdata = { 79 { 80 .name = "buffalo:green:wps", 81 .gpio = 3, 82 .active_low = 1, 83 }, 84 { 85 .name = "buffalo:green:system", 86 .gpio = 20, 87 .active_low = 1, 88 }, 89 { 90 .name = "buffalo:green:wlan", 91 .gpio = 18, 92 .active_low = 1, 93 }, 94}; 95 96static struct gpio_keys_button wzr_450hp2_gpio_keys[] __initdata = { 97 { 98 .desc = "Reset button", 99 .type = EV_KEY, 100 .code = KEY_RESTART, 101 .debounce_interval = WZR_450HP2_KEYS_DEBOUNCE_INTERVAL, 102 .gpio = 17, 103 .active_low = 1, 104 }, 105 { 106 .desc = "RFKILL button", 107 .type = EV_KEY, 108 .code = KEY_RFKILL, 109 .debounce_interval = WZR_450HP2_KEYS_DEBOUNCE_INTERVAL, 110 .gpio = 21, 111 .active_low = 1, 112 }, 113}; 114 115static const struct ar8327_led_info wzr_450hp2_leds_ar8327[] = { 116 AR8327_LED_INFO(PHY0_0, HW, "buffalo:green:lan1"), 117 AR8327_LED_INFO(PHY1_0, HW, "buffalo:green:lan2"), 118 AR8327_LED_INFO(PHY2_0, HW, "buffalo:green:lan3"), 119 AR8327_LED_INFO(PHY3_0, HW, "buffalo:green:lan4"), 120 AR8327_LED_INFO(PHY4_0, HW, "buffalo:green:wan"), 121}; 122 123/* GMAC0 of the AR8327 switch is connected to the QCA9558 SoC via SGMII */ 124static struct ar8327_pad_cfg wzr_450hp2_ar8327_pad0_cfg = { 125 .mode = AR8327_PAD_MAC_SGMII, 126 .sgmii_delay_en = true, 127}; 128 129/* GMAC6 of the AR8327 switch is connected to the QCA9558 SoC via RGMII */ 130static struct ar8327_pad_cfg wzr_450hp2_ar8327_pad6_cfg = { 131 .mode = AR8327_PAD_MAC_RGMII, 132 .txclk_delay_en = true, 133 .rxclk_delay_en = true, 134 .txclk_delay_sel = AR8327_CLK_DELAY_SEL1, 135 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2, 136}; 137 138static struct ar8327_led_cfg wzr_450hp2_ar8327_led_cfg = { 139 .led_ctrl0 = 0xcc35cc35, 140 .led_ctrl1 = 0xca35ca35, 141 .led_ctrl2 = 0xc935c935, 142 .led_ctrl3 = 0x03ffff00, 143 .open_drain = true, 144}; 145 146static struct ar8327_platform_data wzr_450hp2_ar8327_data = { 147 .pad0_cfg = &wzr_450hp2_ar8327_pad0_cfg, 148 .pad6_cfg = &wzr_450hp2_ar8327_pad6_cfg, 149 .port0_cfg = { 150 .force_link = 1, 151 .speed = AR8327_PORT_SPEED_1000, 152 .duplex = 1, 153 .txpause = 1, 154 .rxpause = 1, 155 }, 156 .port6_cfg = { 157 .force_link = 1, 158 .speed = AR8327_PORT_SPEED_1000, 159 .duplex = 1, 160 .txpause = 1, 161 .rxpause = 1, 162 }, 163 .led_cfg = &wzr_450hp2_ar8327_led_cfg, 164 .num_leds = ARRAY_SIZE(wzr_450hp2_leds_ar8327), 165 .leds = wzr_450hp2_leds_ar8327, 166}; 167 168static struct mdio_board_info wzr_450hp2_mdio0_info[] = { 169 { 170 .bus_id = "ag71xx-mdio.0", 171 .phy_addr = 0, 172 .platform_data = &wzr_450hp2_ar8327_data, 173 }, 174}; 175 176static void __init wzr_450hp2_setup(void) 177{ 178 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); 179 u8 *mac_wan = art; 180 u8 *mac_lan = mac_wan + ETH_ALEN; 181 182 ath79_register_m25p80(&wzr_450hp2_flash_data); 183 184 ath79_register_leds_gpio(-1, ARRAY_SIZE(wzr_450hp2_leds_gpio), 185 wzr_450hp2_leds_gpio); 186 ath79_register_gpio_keys_polled(-1, WZR_450HP2_KEYS_POLL_INTERVAL, 187 ARRAY_SIZE(wzr_450hp2_gpio_keys), 188 wzr_450hp2_gpio_keys); 189 190 ath79_register_wmac(art + WZR_450HP2_WMAC_CALDATA_OFFSET, mac_lan); 191 192 mdiobus_register_board_info(wzr_450hp2_mdio0_info, 193 ARRAY_SIZE(wzr_450hp2_mdio0_info)); 194 ath79_register_mdio(0, 0x0); 195 196 ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN); 197 198 /* GMAC0 is connected to the RMGII interface */ 199 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; 200 ath79_eth0_data.phy_mask = BIT(0); 201 ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev; 202 ath79_eth0_pll_data.pll_1000 = 0x56000000; 203 204 ath79_init_mac(ath79_eth0_data.mac_addr, mac_wan, 0); 205 ath79_register_eth(0); 206 207 /* GMAC1 is connected to the SGMII interface */ 208 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII; 209 ath79_eth1_data.speed = SPEED_1000; 210 ath79_eth1_data.duplex = DUPLEX_FULL; 211 ath79_eth1_pll_data.pll_1000 = 0x03000101; 212 213 ath79_init_mac(ath79_eth1_data.mac_addr, mac_lan, 0); 214 ath79_register_eth(1); 215 216 ath79_register_usb(); 217} 218 219MIPS_MACHINE(ATH79_MACH_WZR_450HP2, "WZR-450HP2", 220 "Buffalo WZR-450HP2", wzr_450hp2_setup); 221 222