// SPDX-License-Identifier: GPL-2.0-only
/*
 * arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
 *
 * Buffalo WXL (Terastation Duo) Setup routines
 *
 * sebastien requiem <sebastien@requiem.fr>
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/ethtool.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include "mv78xx0.h"
#include "common.h"
#include "mpp.h"


#define TSWXL_AUTO_SWITCH       15
#define TSWXL_USB_POWER1        30
#define TSWXL_USB_POWER2        31


/* This arch has 2 Giga Ethernet */

static struct mv643xx_eth_platform_data db78x00_ge00_data = {
        .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
};

static struct mv643xx_eth_platform_data db78x00_ge01_data = {
        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
};


/* 2 SATA controller supporting HotPlug */

static struct mv_sata_platform_data db78x00_sata_data = {
        .n_ports        = 2,
};

static struct i2c_board_info __initdata db78x00_i2c_rtc = {
        I2C_BOARD_INFO("rs5c372a", 0x32),
};


static unsigned int wxl_mpp_config[] __initdata = {
        MPP0_GE1_TXCLK,
        MPP1_GE1_TXCTL,
        MPP2_GE1_RXCTL,
        MPP3_GE1_RXCLK,
        MPP4_GE1_TXD0,
        MPP5_GE1_TXD1,
        MPP6_GE1_TXD2,
        MPP7_GE1_TXD3,
        MPP8_GE1_RXD0,
        MPP9_GE1_RXD1,
        MPP10_GE1_RXD2,
        MPP11_GE1_RXD3,
        MPP12_GPIO,
        MPP13_GPIO,
        MPP14_GPIO,
        MPP15_GPIO,
        MPP16_GPIO,
        MPP17_GPIO,
        MPP18_GPIO,
        MPP19_GPIO,
        MPP20_GPIO,
        MPP21_GPIO,
        MPP22_GPIO,
        MPP23_GPIO,
        MPP24_UA2_TXD,
        MPP25_UA2_RXD,
        MPP26_UA2_CTSn,
        MPP27_UA2_RTSn,
        MPP28_GPIO,
        MPP29_GPIO,
        MPP30_GPIO,
        MPP31_GPIO,
        MPP32_GPIO,
        MPP33_GPIO,
        MPP34_GPIO,
        MPP35_GPIO,
        MPP36_GPIO,
        MPP37_GPIO,
        MPP38_GPIO,
        MPP39_GPIO,
        MPP40_GPIO,
        MPP41_GPIO,
        MPP42_GPIO,
        MPP43_GPIO,
        MPP44_GPIO,
        MPP45_GPIO,
        MPP46_GPIO,
        MPP47_GPIO,
        MPP48_GPIO,
        MPP49_GPIO,
        0
};

static struct gpio_keys_button tswxl_buttons[] = {
        {
                .code      = KEY_OPTION,
                .gpio      = TSWXL_AUTO_SWITCH,
                .desc      = "Power-auto Switch",
                .active_low     = 1,
        }
};

static struct gpio_keys_platform_data tswxl_button_data = {
        .buttons        = tswxl_buttons,
        .nbuttons       = ARRAY_SIZE(tswxl_buttons),
};

static struct platform_device tswxl_button_device = {
        .name      = "gpio-keys",
        .id          = -1,
        .num_resources  = 0,
        .dev        = {
                .platform_data  = &tswxl_button_data,
        },
};

static void __init wxl_init(void)
{
        /*
         * Basic MV78xx0 setup. Needs to be called early.
         */
        mv78xx0_init();
        mv78xx0_mpp_conf(wxl_mpp_config);

        /*
         * Partition on-chip peripherals between the two CPU cores.
         */
        mv78xx0_ehci0_init();
        mv78xx0_ehci1_init();
        mv78xx0_ge00_init(&db78x00_ge00_data);
        mv78xx0_ge01_init(&db78x00_ge01_data);
        mv78xx0_sata_init(&db78x00_sata_data);
        mv78xx0_uart0_init();
        mv78xx0_uart1_init();
        mv78xx0_uart2_init();
        mv78xx0_uart3_init();
        mv78xx0_xor_init();
        mv78xx0_crypto_init();
        mv78xx0_i2c_init();
        i2c_register_board_info(0, &db78x00_i2c_rtc, 1);

        //enable both usb ports
        gpio_direction_output(TSWXL_USB_POWER1, 1);
        gpio_direction_output(TSWXL_USB_POWER2, 1);

        //enable rear switch
        platform_device_register(&tswxl_button_device);
}

static int __init wxl_pci_init(void)
{
        if (machine_is_terastation_wxl() && mv78xx0_core_index() == 0)
                mv78xx0_pcie_init(1, 1);

        return 0;
}
subsys_initcall(wxl_pci_init);

MACHINE_START(TERASTATION_WXL, "Buffalo Nas WXL")
        /* Maintainer: Sebastien Requiem <sebastien@requiem.fr> */
        .atag_offset    = 0x100,
        .nr_irqs        = MV78XX0_NR_IRQS,
        .init_machine   = wxl_init,
        .map_io         = mv78xx0_map_io,
        .init_early     = mv78xx0_init_early,
        .init_irq       = mv78xx0_init_irq,
        .init_time      = mv78xx0_timer_init,
        .restart        = mv78xx0_restart,
MACHINE_END