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

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