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/*
 *  OpenMesh OM2P support
 *
 *  Copyright (C) 2011 Marek Lindner <marek@open-mesh.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/gpio.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_device.h>

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

#define OM2P_GPIO_LED_POWER     0
#define OM2P_GPIO_LED_GREEN     13
#define OM2P_GPIO_LED_RED       14
#define OM2P_GPIO_LED_YELLOW    15
#define OM2P_GPIO_LED_LAN       16
#define OM2P_GPIO_LED_WAN       17
#define OM2P_GPIO_BTN_RESET     1

#define OM2P_KEYS_POLL_INTERVAL         20      /* msecs */
#define OM2P_KEYS_DEBOUNCE_INTERVAL     (3 * OM2P_KEYS_POLL_INTERVAL)

#define OM2P_WAN_PHYMASK        BIT(4)

#define OM2P_LC_GPIO_LED_POWER  1
#define OM2P_LC_GPIO_LED_GREEN  15
#define OM2P_LC_GPIO_LED_RED    16
#define OM2P_LC_GPIO_LED_YELLOW 0
#define OM2P_LC_GPIO_LED_LAN    13
#define OM2P_LC_GPIO_LED_WAN    17
#define OM2P_LC_GPIO_BTN_RESET  12

#define OM2Pv4_GPIO_LED_POWER   0
#define OM2Pv4_GPIO_LED_GREEN   2
#define OM2Pv4_GPIO_LED_RED     4
#define OM2Pv4_GPIO_LED_YELLOW  3
#define OM2Pv4_GPIO_LED_LAN     14
#define OM2Pv4_GPIO_LED_WAN     13
#define OM2Pv4_GPIO_BTN_RESET   1

#define OM2P_WMAC_CALDATA_OFFSET        0x1000

static struct flash_platform_data om2p_flash_data = {
        .type = "s25sl12800",
        .name = "ar7240-nor0",
};

static struct gpio_led om2p_leds_gpio[] __initdata = {
        {
                .name           = "om2p:blue:power",
                .gpio           = OM2P_GPIO_LED_POWER,
                .active_low     = 1,
        }, {
                .name           = "om2p:red:wifi",
                .gpio           = OM2P_GPIO_LED_RED,
                .active_low     = 1,
        }, {
                .name           = "om2p:yellow:wifi",
                .gpio           = OM2P_GPIO_LED_YELLOW,
                .active_low     = 1,
        }, {
                .name           = "om2p:green:wifi",
                .gpio           = OM2P_GPIO_LED_GREEN,
                .active_low     = 1,
        }, {
                .name           = "om2p:blue:lan",
                .gpio           = OM2P_GPIO_LED_LAN,
                .active_low     = 1,
        }, {
                .name           = "om2p:blue:wan",
                .gpio           = OM2P_GPIO_LED_WAN,
                .active_low     = 1,
        }
};

static struct gpio_keys_button om2p_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = OM2P_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = OM2P_GPIO_BTN_RESET,
                .active_low     = 1,
        }
};

static void __init om2p_setup(void)
{
        u8 *mac1 = (u8 *)KSEG1ADDR(0x1ffc0000);
        u8 *mac2 = (u8 *)KSEG1ADDR(0x1ffc0000 + ETH_ALEN);
        u8 *ee = (u8 *)KSEG1ADDR(0x1ffc1000);

        ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);

        ath79_register_m25p80(&om2p_flash_data);

        ath79_register_mdio(0, ~OM2P_WAN_PHYMASK);

        ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 0);
        ath79_init_mac(ath79_eth1_data.mac_addr, mac2, 0);

        ath79_register_eth(0);
        ath79_register_eth(1);

        ap91_pci_init(ee, NULL);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(om2p_leds_gpio),
                                 om2p_leds_gpio);

        ath79_register_gpio_keys_polled(-1, OM2P_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(om2p_gpio_keys),
                                        om2p_gpio_keys);
}

MIPS_MACHINE(ATH79_MACH_OM2P, "OM2P", "OpenMesh OM2P", om2p_setup);


static struct flash_platform_data om2p_lc_flash_data = {
        .type = "s25sl12800",
};

static void __init om2p_lc_setup(void)
{
        u8 *mac1 = (u8 *)KSEG1ADDR(0x1ffc0000);
        u8 *mac2 = (u8 *)KSEG1ADDR(0x1ffc0000 + ETH_ALEN);
        u8 *art = (u8 *)KSEG1ADDR(0x1ffc1000);
        u32 t;

        ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
                                    AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
                                    AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
                                    AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
                                    AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);

        t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
        t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
        ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);

        ath79_register_m25p80(&om2p_lc_flash_data);

        om2p_leds_gpio[0].gpio = OM2P_LC_GPIO_LED_POWER;
        om2p_leds_gpio[1].gpio = OM2P_LC_GPIO_LED_RED;
        om2p_leds_gpio[2].gpio = OM2P_LC_GPIO_LED_YELLOW;
        om2p_leds_gpio[3].gpio = OM2P_LC_GPIO_LED_GREEN;
        om2p_leds_gpio[4].gpio = OM2P_LC_GPIO_LED_LAN;
        om2p_leds_gpio[5].gpio = OM2P_LC_GPIO_LED_WAN;
        ath79_register_leds_gpio(-1, ARRAY_SIZE(om2p_leds_gpio),
                                 om2p_leds_gpio);

        om2p_gpio_keys[0].gpio = OM2P_LC_GPIO_BTN_RESET;
        ath79_register_gpio_keys_polled(-1, OM2P_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(om2p_gpio_keys),
                                        om2p_gpio_keys);

        ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 0);
        ath79_init_mac(ath79_eth1_data.mac_addr, mac2, 0);

        ath79_register_mdio(0, 0x0);

        ath79_register_eth(0);
        ath79_register_eth(1);

        ath79_register_wmac(art, NULL);
}

MIPS_MACHINE(ATH79_MACH_OM2P_LC, "OM2P-LC", "OpenMesh OM2P LC", om2p_lc_setup);
MIPS_MACHINE(ATH79_MACH_OM2Pv2, "OM2Pv2", "OpenMesh OM2Pv2", om2p_lc_setup);

static void __init om2p_hs_setup(void)
{
        u8 *mac1 = (u8 *)KSEG1ADDR(0x1ffc0000);
        u8 *mac2 = (u8 *)KSEG1ADDR(0x1ffc0000 + ETH_ALEN);
        u8 *art = (u8 *)KSEG1ADDR(0x1ffc1000);

        /* make lan / wan leds software controllable */
        ath79_gpio_output_select(OM2P_GPIO_LED_LAN, AR934X_GPIO_OUT_GPIO);
        ath79_gpio_output_select(OM2P_GPIO_LED_WAN, AR934X_GPIO_OUT_GPIO);

        /* enable reset button */
        ath79_gpio_output_select(OM2P_GPIO_BTN_RESET, AR934X_GPIO_OUT_GPIO);
        ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);

        om2p_leds_gpio[4].gpio = OM2P_GPIO_LED_WAN;
        om2p_leds_gpio[5].gpio = OM2P_GPIO_LED_LAN;

        ath79_register_m25p80(&om2p_lc_flash_data);
        ath79_register_leds_gpio(-1, ARRAY_SIZE(om2p_leds_gpio),
                                 om2p_leds_gpio);
        ath79_register_gpio_keys_polled(-1, OM2P_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(om2p_gpio_keys),
                                        om2p_gpio_keys);

        ath79_register_wmac(art, NULL);

        ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
        ath79_register_mdio(1, 0x0);

        ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 0);
        ath79_init_mac(ath79_eth1_data.mac_addr, mac2, 0);

        /* GMAC0 is connected to the PHY0 of the internal switch */
        ath79_switch_data.phy4_mii_en = 1;
        ath79_switch_data.phy_poll_mask = BIT(0);
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ath79_eth0_data.phy_mask = BIT(0);
        ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
        ath79_register_eth(0);

        /* GMAC1 is connected to the internal switch */
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_register_eth(1);
}

MIPS_MACHINE(ATH79_MACH_OM2P_HS, "OM2P-HS", "OpenMesh OM2P HS", om2p_hs_setup);
MIPS_MACHINE(ATH79_MACH_OM2P_HSv2, "OM2P-HSv2", "OpenMesh OM2P HSv2", om2p_hs_setup);
MIPS_MACHINE(ATH79_MACH_OM2P_HSv3, "OM2P-HSv3", "OpenMesh OM2P HSv3", om2p_hs_setup);

static struct flash_platform_data om2pv4_flash_data = {
        .type = "s25sl12800",
};

static struct gpio_led om2pv4_leds_gpio[] __initdata = {
        {
                .name           = "om2p:blue:power",
                .gpio           = OM2Pv4_GPIO_LED_POWER,
                .active_low     = 1,
        }, {
                .name           = "om2p:red:wifi",
                .gpio           = OM2Pv4_GPIO_LED_RED,
                .active_low     = 1,
        }, {
                .name           = "om2p:yellow:wifi",
                .gpio           = OM2Pv4_GPIO_LED_YELLOW,
                .active_low     = 1,
        }, {
                .name           = "om2p:green:wifi",
                .gpio           = OM2Pv4_GPIO_LED_GREEN,
                .active_low     = 1,
        }, {
                .name           = "om2p:blue:lan",
                .gpio           = OM2Pv4_GPIO_LED_LAN,
                .active_low     = 1,
        }, {
                .name           = "om2p:blue:wan",
                .gpio           = OM2Pv4_GPIO_LED_WAN,
                .active_low     = 1,
        }
};

static struct gpio_keys_button om2pv4_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = OM2P_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = OM2Pv4_GPIO_BTN_RESET,
                .active_low     = 1,
        }
};

static void __init om2pv4_setup(void)
{
        u8 *mac1 = (u8 *)KSEG1ADDR(0x1ffc0000);
        u8 *mac2 = (u8 *)KSEG1ADDR(0x1ffc0000 + ETH_ALEN);
        u8 *art = (u8 *)KSEG1ADDR(0x1ffc0000);
        u8 wmac[6];

        ath79_register_m25p80(&om2pv4_flash_data);
        ath79_register_leds_gpio(-1, ARRAY_SIZE(om2pv4_leds_gpio),
                                 om2pv4_leds_gpio);
        ath79_register_gpio_keys_polled(-1, OM2P_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(om2pv4_gpio_keys),
                                        om2pv4_gpio_keys);

        ath79_init_mac(wmac, art, 0x02);
        ath79_register_wmac(art + OM2P_WMAC_CALDATA_OFFSET, wmac);

        ath79_setup_ar933x_phy4_switch(false, false);

        ath79_register_mdio(0, 0x0);

        /* LAN */
        ath79_switch_data.phy4_mii_en = 1;
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
        ath79_eth0_data.duplex = DUPLEX_FULL;
        ath79_eth0_data.speed = SPEED_100;
        ath79_eth0_data.phy_mask = BIT(4);
        ath79_init_mac(ath79_eth1_data.mac_addr, mac2, 0);
        ath79_register_eth(0);

        /* WAN */
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
        ath79_eth1_data.duplex = DUPLEX_FULL;
        ath79_switch_data.phy_poll_mask |= BIT(4);
        ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 0);
        ath79_register_eth(1);
}

MIPS_MACHINE(ATH79_MACH_OM2Pv4, "OM2Pv4", "OpenMesh OM2Pv4", om2pv4_setup);
MIPS_MACHINE(ATH79_MACH_OM2P_HSv4, "OM2P-HSv4", "OpenMesh OM2P HSv4", om2pv4_setup);