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