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/*
 *  TP-LINK TL-WR1041 v2 board support
 *
 *  Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
 *  Copyright (C) 2011-2012 Anan Huang <axishero@foxmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 2 as published
 *  by the Free Software Foundation.
 */

#include <linux/pci.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>

#include <asm/mach-ath79/ar71xx_regs.h>

#include "common.h"
#include "dev-ap9x-pci.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-spi.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define TL_WR1041NV2_GPIO_BTN_RESET     14
#define TL_WR1041NV2_GPIO_LED_WPS       13
#define TL_WR1041NV2_GPIO_LED_WLAN      11

#define TL_WR1041NV2_GPIO_LED_SYSTEM    12

#define TL_WR1041NV2_KEYS_POLL_INTERVAL         20      /* msecs */
#define TL_WR1041NV2_KEYS_DEBOUNCE_INTERVAL     (3 * TL_WR1041NV2_KEYS_POLL_INTERVAL)

#define TL_WR1041NV2_PCIE_CALDATA_OFFSET        0x5000

static const char *tl_wr1041nv2_part_probes[] = {
        "tp-link",
        NULL,
};

static struct flash_platform_data tl_wr1041nv2_flash_data = {
        .part_probes    = tl_wr1041nv2_part_probes,
};

static struct gpio_led tl_wr1041nv2_leds_gpio[] __initdata = {
        {
                .name           = "tp-link:green:system",
                .gpio           = TL_WR1041NV2_GPIO_LED_SYSTEM,
                .active_low     = 1,
        }, {
                .name           = "tp-link:green:wps",
                .gpio           = TL_WR1041NV2_GPIO_LED_WPS,
                .active_low     = 1,
        }, {
                .name           = "tp-link:green:wlan",
                .gpio           = TL_WR1041NV2_GPIO_LED_WLAN,
                .active_low     = 1,
        }
};

static struct gpio_keys_button tl_wr1041nv2_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = TL_WR1041NV2_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = TL_WR1041NV2_GPIO_BTN_RESET,
                .active_low     = 1,
        }
};

static const struct ar8327_led_info tl_wr1041n_leds_ar8327[] = {
        AR8327_LED_INFO(PHY0_0, HW, "tp-link:green:wan"),
        AR8327_LED_INFO(PHY1_0, HW, "tp-link:green:lan1"),
        AR8327_LED_INFO(PHY2_0, HW, "tp-link:green:lan2"),
        AR8327_LED_INFO(PHY3_0, HW, "tp-link:green:lan3"),
        AR8327_LED_INFO(PHY4_0, HW, "tp-link:green:lan4"),
};

static struct ar8327_led_cfg wr1041n_v2_ar8327_led_cfg = {
        .led_ctrl0 = 0xcf35cf35,        /* LED0: blink at 10/100/1000M */
        .led_ctrl1 = 0xcf35cf35,        /* LED1: blink at 10/100/1000M: anyway, no LED1 on tl-wr1041n */
        .led_ctrl2 = 0xcf35cf35,        /* LED2: blink at 10/100/1000M: anyway, no LED2 on tl-wr1041n */
        .led_ctrl3 = 0x03ffff00,        /* Pattern enabled for LED 0-2 of port 1-3 */
        .open_drain = true,
};

static struct ar8327_pad_cfg db120_ar8327_pad0_cfg = {
        .mode = AR8327_PAD_MAC_RGMII,
        .txclk_delay_en = true,
        .rxclk_delay_en = true,
        .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
        .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
};

static struct ar8327_platform_data db120_ar8327_data = {
        .pad0_cfg = &db120_ar8327_pad0_cfg,
        .port0_cfg = {
                .force_link = 1,
                .speed = AR8327_PORT_SPEED_1000,
                .duplex = 1,
                .txpause = 1,
                .rxpause = 1,
        },
        .led_cfg = &wr1041n_v2_ar8327_led_cfg,
        .num_leds = ARRAY_SIZE(tl_wr1041n_leds_ar8327),
        .leds = tl_wr1041n_leds_ar8327
};

static struct mdio_board_info db120_mdio0_info[] = {
        {
                .bus_id = "ag71xx-mdio.0",
                .phy_addr = 0,
                .platform_data = &db120_ar8327_data,
        },
};

static void __init tl_wr1041nv2_setup(void)
{
        u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
        u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);

        ath79_register_m25p80(&tl_wr1041nv2_flash_data);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr1041nv2_leds_gpio),
                                 tl_wr1041nv2_leds_gpio);
        ath79_register_gpio_keys_polled(-1, TL_WR1041NV2_KEYS_POLL_INTERVAL,
                                         ARRAY_SIZE(tl_wr1041nv2_gpio_keys),
                                         tl_wr1041nv2_gpio_keys);
        ath79_register_wmac(ee, mac);

        ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
                                   AR934X_ETH_CFG_SW_ONLY_MODE);

        ath79_register_mdio(1, 0x0);
        ath79_register_mdio(0, 0x0);

        ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);

        mdiobus_register_board_info(db120_mdio0_info,
                                    ARRAY_SIZE(db120_mdio0_info));

        /* GMAC0 is connected to an AR8327 switch */
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
        ath79_eth0_data.phy_mask = BIT(0);
        ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
        ath79_eth0_pll_data.pll_1000 = 0x06000000;
        ath79_register_eth(0);
}

MIPS_MACHINE(ATH79_MACH_TL_WR1041N_V2, "TL-WR1041N-v2",
             "TP-LINK TL-WR1041N v2", tl_wr1041nv2_setup);