qemu/roms/u-boot/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/io.h>
   9 #include <netdev.h>
  10 #include <asm/arch/cpu.h>
  11 #include <asm/arch/gpio.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 struct exynos4_gpio_part1 *gpio1;
  19 struct exynos4_gpio_part2 *gpio2;
  20
  21 static void smc9115_pre_init(void)
  22 {
  23         u32 smc_bw_conf, smc_bc_conf;
  24
  25         /* gpio configuration GPK0CON */
  26         s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, 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         gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;
  42         gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE;
  43
  44         smc9115_pre_init();
  45
  46         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  47         return 0;
  48 }
  49
  50 int dram_init(void)
  51 {
  52         gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  53                         + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  54                         + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  55                         + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
  56
  57         return 0;
  58 }
  59
  60 void dram_init_banksize(void)
  61 {
  62         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  63         gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, \
  64                                                         PHYS_SDRAM_1_SIZE);
  65         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  66         gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \
  67                                                         PHYS_SDRAM_2_SIZE);
  68         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  69         gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \
  70                                                         PHYS_SDRAM_3_SIZE);
  71         gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
  72         gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \
  73                                                         PHYS_SDRAM_4_SIZE);
  74 }
  75
  76 int board_eth_init(bd_t *bis)
  77 {
  78         int rc = 0;
  79 #ifdef CONFIG_SMC911X
  80         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  81 #endif
  82         return rc;
  83 }
  84
  85 #ifdef CONFIG_DISPLAY_BOARDINFO
  86 int checkboard(void)
  87 {
  88         printf("\nBoard: SMDKV310\n");
  89         return 0;
  90 }
  91 #endif
  92
  93 #ifdef CONFIG_GENERIC_MMC
  94 int board_mmc_init(bd_t *bis)
  95 {
  96         int i, err;
  97
  98         /*
  99          * MMC2 SD card GPIO:
 100          *
 101          * GPK2[0]      SD_2_CLK(2)
 102          * GPK2[1]      SD_2_CMD(2)
 103          * GPK2[2]      SD_2_CDn
 104          * GPK2[3:6]    SD_2_DATA[0:3](2)
 105          */
 106         for (i = 0; i < 7; i++) {
 107                 /* GPK2[0:6] special function 2 */
 108                 s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
 109
 110                 /* GPK2[0:6] drv 4x */
 111                 s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
 112
 113                 /* GPK2[0:1] pull disable */
 114                 if (i == 0 || i == 1) {
 115                         s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
 116                         continue;
 117                 }
 118
 119                 /* GPK2[2:6] pull up */
 120                 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
 121         }
 122         err = s5p_mmc_init(2, 4);
 123         return err;
 124 }
 125 #endif
 126
 127 static int board_uart_init(void)
 128 {
 129         int err;
 130
 131         err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
 132         if (err) {
 133                 debug("UART0 not configured\n");
 134                 return err;
 135         }
 136
 137         err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
 138         if (err) {
 139                 debug("UART1 not configured\n");
 140                 return err;
 141         }
 142
 143         err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
 144         if (err) {
 145                 debug("UART2 not configured\n");
 146                 return err;
 147         }
 148
 149         err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
 150         if (err) {
 151                 debug("UART3 not configured\n");
 152                 return err;
 153         }
 154
 155         return 0;
 156 }
 157
 158 #ifdef CONFIG_BOARD_EARLY_INIT_F
 159 int board_early_init_f(void)
 160 {
 161         int err;
 162         err = board_uart_init();
 163         if (err) {
 164                 debug("UART init failed\n");
 165                 return err;
 166         }
 167         return err;
 168 }
 169 #endif