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/*
 *  Ubiquiti UniFi AC (LITE) board support
 *
 *  Copyright (C) 2015-2016 P. Wassi <p.wassi at gmx.at>
 *
 *  Derived from: mach-ubnt-xm.c
 *
 *  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/init.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/etherdevice.h>

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

#include <linux/platform_data/phy-at803x.h>
#include <linux/ar8216_platform.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 "dev-usb.h"
#include "machtypes.h"


#define UNIFIAC_KEYS_POLL_INTERVAL      20
#define UNIFIAC_KEYS_DEBOUNCE_INTERVAL  (3 * UNIFIAC_KEYS_POLL_INTERVAL)

#define UNIFIAC_GPIO_LED_WHITE          7
#define UNIFIAC_GPIO_LED_BLUE           8

#define UNIFIAC_GPIO_BTN_RESET          2

#define UNIFIAC_MAC0_OFFSET             0x0000
#define UNIFIAC_WMAC_CALDATA_OFFSET     0x1000
#define UNIFIAC_PCI_CALDATA_OFFSET      0x5000


static struct flash_platform_data ubnt_unifiac_flash_data = {
        /* mx25l12805d and mx25l12835f have the same JEDEC ID */
        .type = "mx25l12805d",
};

static struct gpio_led ubnt_unifiac_leds_gpio[] __initdata = {
        {
                .name           = "ubnt:white:dome",
                .gpio           = UNIFIAC_GPIO_LED_WHITE,
                .active_low     = 0,
        }, {
                .name           = "ubnt:blue:dome",
                .gpio           = UNIFIAC_GPIO_LED_BLUE,
                .active_low     = 0,
        }
};

static struct gpio_keys_button ubnt_unifiac_gpio_keys[] __initdata = {
        {
                .desc                   = "reset",
                .type                   = EV_KEY,
                .code                   = KEY_RESTART,
                .debounce_interval      = UNIFIAC_KEYS_DEBOUNCE_INTERVAL,
                .gpio                   = UNIFIAC_GPIO_BTN_RESET,
                .active_low             = 1,
        }
};

static void __init ubnt_unifiac_lite_setup(void)
{
        u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(&ubnt_unifiac_flash_data);


        ath79_init_mac(ath79_eth0_data.mac_addr,
                       eeprom + UNIFIAC_MAC0_OFFSET, 0);

        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
        ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
        ath79_eth0_data.phy_mask = BIT(4);
        ath79_eth0_pll_data.pll_10 = 0x00001313;

        ath79_register_mdio(0, ~BIT(4));
        ath79_register_eth(0);


        ath79_register_wmac(eeprom + UNIFIAC_WMAC_CALDATA_OFFSET, NULL);


        ap91_pci_init(eeprom + UNIFIAC_PCI_CALDATA_OFFSET, NULL);


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

        ath79_register_gpio_keys_polled(-1, UNIFIAC_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(ubnt_unifiac_gpio_keys),
                                        ubnt_unifiac_gpio_keys);
}

MIPS_MACHINE(ATH79_MACH_UBNT_UNIFIAC_LITE, "UBNT-UF-AC-LITE",
             "Ubiquiti UniFi-AC-LITE/MESH", ubnt_unifiac_lite_setup);

static struct ar8327_pad_cfg ubnt_unifiac_pro_ar8327_pad0_cfg = {
        .mode = AR8327_PAD_MAC_SGMII,
        .sgmii_delay_en = true,
};

static struct ar8327_platform_data ubnt_unifiac_pro_ar8327_data = {
        .pad0_cfg = &ubnt_unifiac_pro_ar8327_pad0_cfg,
        .port0_cfg = {
                .force_link = 1,
                .speed = AR8327_PORT_SPEED_1000,
                .duplex = 1,
                .txpause = 1,
                .rxpause = 1,
        },
};


static struct mdio_board_info ubnt_unifiac_pro_mdio0_info[] = {
        {
                .bus_id = "ag71xx-mdio.0",
                .mdio_addr = 0,
                .platform_data = &ubnt_unifiac_pro_ar8327_data,
        },
};

static void __init ubnt_unifiac_pro_setup(void)
{
        u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(&ubnt_unifiac_flash_data);


        ath79_init_mac(ath79_eth0_data.mac_addr,
                       eeprom + UNIFIAC_MAC0_OFFSET, 0);

        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
        ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
        ath79_eth0_data.phy_mask = BIT(0);

        mdiobus_register_board_info(ubnt_unifiac_pro_mdio0_info,
                                    ARRAY_SIZE(ubnt_unifiac_pro_mdio0_info));

        ath79_register_mdio(0, 0x00);
        ath79_register_eth(0);


        ath79_register_usb();


        ath79_register_wmac(eeprom + UNIFIAC_WMAC_CALDATA_OFFSET, NULL);


        ap91_pci_init(eeprom + UNIFIAC_PCI_CALDATA_OFFSET, NULL);


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

        ath79_register_gpio_keys_polled(-1, UNIFIAC_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(ubnt_unifiac_gpio_keys),
                                        ubnt_unifiac_gpio_keys);
}


MIPS_MACHINE(ATH79_MACH_UBNT_UNIFIAC_PRO, "UBNT-UF-AC-PRO",
             "Ubiquiti UniFi-AC-PRO/MESH-PRO", ubnt_unifiac_pro_setup);