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
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 static 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
  37 int board_init(void)
  38 {
  39         smc9115_pre_init();
  40
  41         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  42         return 0;
  43 }
  44
  45 int 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
  55 int 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
  73 int 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
  83 int checkboard(void)
  84 {
  85         printf("\nBoard: SMDKV310\n");
  86         return 0;
  87 }
  88 #endif
  89
  90 #ifdef CONFIG_GENERIC_MMC
  91 int 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
 124 static 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
 156 int 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