LXR uboot/board/samsung/smdkv310/smdkv310.c

   1/*
   2 * Copyright (C) 2011 Samsung Electronics
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <common.h>
   8#include <asm/gpio.h>
   9#include <asm/io.h>
  10#include <netdev.h>
  11#include <asm/arch/cpu.h>
  12#include <asm/arch/mmc.h>
  13#include <asm/arch/periph.h>
  14#include <asm/arch/pinmux.h>
  15#include <asm/arch/sromc.h>
  16
  17DECLARE_GLOBAL_DATA_PTR;
  18
  19static void smc9115_pre_init(void)
  20{
  21        u32 smc_bw_conf, smc_bc_conf;
  22
  23        /* gpio configuration GPK0CON */
  24        gpio_cfg_pin(EXYNOS4_GPIO_Y00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
  25
  26        /* Ethernet needs bus width of 16 bits */
  27        smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
  28        smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
  29                        | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
  30                        | SROMC_BC_TAH(0x0F)  | SROMC_BC_TACP(0x0F)
  31                        | SROMC_BC_PMC(0x0F);
  32
  33        /* Select and configure the SROMC bank */
  34        s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  35}
  36
  37int board_init(void)
  38{
  39        smc9115_pre_init();
  40
  41        gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  42        return 0;
  43}
  44
  45int dram_init(void)
  46{
  47        gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  48                        + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  49                        + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  50                        + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
  51
  52        return 0;
  53}
  54
  55int dram_init_banksize(void)
  56{
  57        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  58        gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
  59                                                        PHYS_SDRAM_1_SIZE);
  60        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  61        gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
  62                                                        PHYS_SDRAM_2_SIZE);
  63        gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  64        gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
  65                                                        PHYS_SDRAM_3_SIZE);
  66        gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
  67        gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
  68                                                        PHYS_SDRAM_4_SIZE);
  69
  70        return 0;
  71}
  72
  73int board_eth_init(bd_t *bis)
  74{
  75        int rc = 0;
  76#ifdef CONFIG_SMC911X
  77        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  78#endif
  79        return rc;
  80}
  81
  82#ifdef CONFIG_DISPLAY_BOARDINFO
  83int checkboard(void)
  84{
  85        printf("\nBoard: SMDKV310\n");
  86        return 0;
  87}
  88#endif
  89
  90#ifdef CONFIG_MMC
  91int board_mmc_init(bd_t *bis)
  92{
  93        int i, err;
  94
  95        /*
  96         * MMC2 SD card GPIO:
  97         *
  98         * GPK2[0]      SD_2_CLK(2)
  99         * GPK2[1]      SD_2_CMD(2)
 100         * GPK2[2]      SD_2_CDn
 101         * GPK2[3:6]    SD_2_DATA[0:3](2)
 102         */
 103        for (i = EXYNOS4_GPIO_K20; i < EXYNOS4_GPIO_K27; i++) {
 104                /* GPK2[0:6] special function 2 */
 105                gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
 106
 107                /* GPK2[0:6] drv 4x */
 108                gpio_set_drv(i, S5P_GPIO_DRV_4X);
 109
 110                /* GPK2[0:1] pull disable */
 111                if (i == EXYNOS4_GPIO_K20 || i == EXYNOS4_GPIO_K21) {
 112                        gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 113                        continue;
 114                }
 115
 116                /* GPK2[2:6] pull up */
 117                gpio_set_pull(i, S5P_GPIO_PULL_UP);
 118        }
 119        err = s5p_mmc_init(2, 4);
 120        return err;
 121}
 122#endif
 123
 124static int board_uart_init(void)
 125{
 126        int err;
 127
 128        err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
 129        if (err) {
 130                debug("UART0 not configured\n");
 131                return err;
 132        }
 133
 134        err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
 135        if (err) {
 136                debug("UART1 not configured\n");
 137                return err;
 138        }
 139
 140        err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
 141        if (err) {
 142                debug("UART2 not configured\n");
 143                return err;
 144        }
 145
 146        err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
 147        if (err) {
 148                debug("UART3 not configured\n");
 149                return err;
 150        }
 151
 152        return 0;
 153}
 154
 155#ifdef CONFIG_BOARD_EARLY_INIT_F
 156int board_early_init_f(void)
 157{
 158        int err;
 159        err = board_uart_init();
 160        if (err) {
 161                debug("UART init failed\n");
 162                return err;
 163        }
 164        return err;
 165}
 166#endif
 167