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
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 static 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
  36 int board_init(void)
  37 {
  38         smc9115_pre_init();
  39
  40         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  41         return 0;
  42 }
  43
  44 int 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
  54 int 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
  72 int 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
  82 int checkboard(void)
  83 {
  84         printf("\nBoard: SMDKV310\n");
  85         return 0;
  86 }
  87 #endif
  88
  89 #ifdef CONFIG_MMC
  90 int 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
 123 static 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
 155 int 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