/*
 * Copyright (C) 2012 Samsung Electronics
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <asm/io.h>
#include <netdev.h>
#include <asm/arch/cpu.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/sromc.h>

DECLARE_GLOBAL_DATA_PTR;

#ifdef CONFIG_SMC911X
static int smc9115_pre_init(void)
{
        u32 smc_bw_conf, smc_bc_conf;
        int err;

        /* Ethernet needs data bus width of 16 bits */
        smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK)
                        | SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK);

        smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01)
                        | SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01)
                        | SROMC_BC_TAH(0x0C)  | SROMC_BC_TACP(0x09)
                        | SROMC_BC_PMC(0x01);

        /* Select and configure the SROMC bank */
        err = exynos_pinmux_config(PERIPH_ID_SROMC,
                                CONFIG_ENV_SROM_BANK | PINMUX_FLAG_16BIT);
        if (err) {
                debug("SROMC not configured\n");
                return err;
        }

        s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
        return 0;
}
#endif

int board_init(void)
{
        gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
        return 0;
}

int dram_init(void)
{
        gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
                        + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
                        + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
                        + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)
                        + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE)
                        + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE)
                        + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE)
                        + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE);
        return 0;
}

void dram_init_banksize(void)
{
        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
        gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
                                                        PHYS_SDRAM_1_SIZE);
        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
        gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
                                                        PHYS_SDRAM_2_SIZE);
        gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
        gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
                                                        PHYS_SDRAM_3_SIZE);
        gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
        gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
                                                        PHYS_SDRAM_4_SIZE);
        gd->bd->bi_dram[4].start = PHYS_SDRAM_5;
        gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5,
                                                        PHYS_SDRAM_5_SIZE);
        gd->bd->bi_dram[5].start = PHYS_SDRAM_6;
        gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6,
                                                        PHYS_SDRAM_6_SIZE);
        gd->bd->bi_dram[6].start = PHYS_SDRAM_7;
        gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7,
                                                        PHYS_SDRAM_7_SIZE);
        gd->bd->bi_dram[7].start = PHYS_SDRAM_8;
        gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8,
                                                        PHYS_SDRAM_8_SIZE);
}

int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_SMC911X
        if (smc9115_pre_init())
                return -1;
        return smc911x_initialize(0, CONFIG_SMC911X_BASE);
#endif
        return 0;
}

#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard(void)
{
        printf("\nBoard: SMDK5250\n");

        return 0;
}
#endif

#ifdef CONFIG_GENERIC_MMC
int board_mmc_init(bd_t *bis)
{
        int err;

        err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
        if (err) {
                debug("SDMMC2 not configured\n");
                return err;
        }

        err = s5p_mmc_init(2, 4);
        return err;
}
#endif

static int board_uart_init(void)
{
        int err;

        err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
        if (err) {
                debug("UART0 not configured\n");
                return err;
        }

        err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
        if (err) {
                debug("UART1 not configured\n");
                return err;
        }

        err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
        if (err) {
                debug("UART2 not configured\n");
                return err;
        }

        err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
        if (err) {
                debug("UART3 not configured\n");
                return err;
        }

        return 0;
}

#ifdef CONFIG_BOARD_EARLY_INIT_F
int board_early_init_f(void)
{
        return board_uart_init();
}
#endif