/*
 *  Copyright (C) 2008-2009 Samsung Electronics
 *  Minkyu Kang <mk7.kang@samsung.com>
 *  Kyungmin Park <kyungmin.park@samsung.com>
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

#include <common.h>
#include <asm/gpio.h>
#include <asm/arch/mmc.h>
#include <dm.h>
#include <power/pmic.h>
#include <usb/dwc2_udc.h>
#include <asm/arch/cpu.h>
#include <power/max8998_pmic.h>
#include <samsung/misc.h>
#include <usb.h>
#include <usb_mass_storage.h>
#include <asm/mach-types.h>

DECLARE_GLOBAL_DATA_PTR;

u32 get_board_rev(void)
{
        return 0;
}

int board_init(void)
{
        /* Set Initial global variables */
        gd->bd->bi_arch_number = MACH_TYPE_GONI;
        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

        return 0;
}

#ifdef CONFIG_SYS_I2C_INIT_BOARD
void i2c_init_board(void)
{
        gpio_request(S5PC110_GPIO_J43, "i2c_clk");
        gpio_request(S5PC110_GPIO_J40, "i2c_data");
        gpio_direction_output(S5PC110_GPIO_J43, 1);
        gpio_direction_output(S5PC110_GPIO_J40, 1);
}
#endif

int dram_init(void)
{
        gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
                        PHYS_SDRAM_3_SIZE;

        return 0;
}

int dram_init_banksize(void)
{
        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
        gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
        gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;

        return 0;
}

#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard(void)
{
        puts("Board:\tGoni\n");
        return 0;
}
#endif

#ifdef CONFIG_MMC
int board_mmc_init(bd_t *bis)
{
        int i, ret, ret_sd = 0;

        /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
        gpio_request(S5PC110_GPIO_J27, "massmemory_en");
        gpio_direction_output(S5PC110_GPIO_J27, 1);

        /*
         * MMC0 GPIO
         * GPG0[0]      SD_0_CLK
         * GPG0[1]      SD_0_CMD
         * GPG0[2]      SD_0_CDn        -> Not used
         * GPG0[3:6]    SD_0_DATA[0:3]
         */
        for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
                if (i == S5PC110_GPIO_G02)
                        continue;
                /* GPG0[0:6] special function 2 */
                gpio_cfg_pin(i, 0x2);
                /* GPG0[0:6] pull disable */
                gpio_set_pull(i, S5P_GPIO_PULL_NONE);
                /* GPG0[0:6] drv 4x */
                gpio_set_drv(i, S5P_GPIO_DRV_4X);
        }

        ret = s5p_mmc_init(0, 4);
        if (ret)
                error("MMC: Failed to init MMC:0.\n");

        /*
         * SD card (T_FLASH) detect and init
         * T_FLASH_DETECT: EINT28: GPH3[4] input mode
         */
        gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
        gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
        gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);

        if (!gpio_get_value(S5PC110_GPIO_H34)) {
                for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
                        if (i == S5PC110_GPIO_G22)
                                continue;

                        /* GPG2[0:6] special function 2 */
                        gpio_cfg_pin(i, 0x2);
                        /* GPG2[0:6] pull disable */
                        gpio_set_pull(i, S5P_GPIO_PULL_NONE);
                        /* GPG2[0:6] drv 4x */
                        gpio_set_drv(i, S5P_GPIO_DRV_4X);
                }

                ret_sd = s5p_mmc_init(2, 4);
                if (ret_sd)
                        error("MMC: Failed to init SD card (MMC:2).\n");
        }

        return ret & ret_sd;
}
#endif

#ifdef CONFIG_USB_GADGET
static int s5pc1xx_phy_control(int on)
{
        struct udevice *dev;
        static int status;
        int reg, ret;

        ret = pmic_get("max8998-pmic", &dev);
        if (ret)
                return ret;

        if (on && !status) {
                reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
                reg |= MAX8998_LDO3;
                ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
                if (ret) {
                        puts("MAX8998 LDO setting error!\n");
                        return -EINVAL;
                }

                reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
                reg |= MAX8998_LDO8;
                ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
                if (ret) {
                        puts("MAX8998 LDO setting error!\n");
                        return -EINVAL;
                }
                status = 1;
        } else if (!on && status) {
                reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
                reg &= ~MAX8998_LDO3;
                ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
                if (ret) {
                        puts("MAX8998 LDO setting error!\n");
                        return -EINVAL;
                }

                reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
                reg &= ~MAX8998_LDO8;
                ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
                if (ret) {
                        puts("MAX8998 LDO setting error!\n");
                        return -EINVAL;
                }
                status = 0;
        }
        udelay(10000);
        return 0;
}

struct dwc2_plat_otg_data s5pc110_otg_data = {
        .phy_control = s5pc1xx_phy_control,
        .regs_phy = S5PC110_PHY_BASE,
        .regs_otg = S5PC110_OTG_BASE,
        .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
};

int board_usb_init(int index, enum usb_init_type init)
{
        debug("USB_udc_probe\n");
        return dwc2_udc_probe(&s5pc110_otg_data);
}
#endif

#ifdef CONFIG_MISC_INIT_R
int misc_init_r(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
        set_board_info();
#endif
        return 0;
}
#endif

int board_usb_cleanup(int index, enum usb_init_type init)
{
        return 0;
}