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