git.sur5r.net Git - u-boot/blob - board/samsung/smdkv310/smdkv310.c

   1 /*
   2  * Copyright (C) 2011 Samsung Electronics
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 #include <common.h>
  24 #include <asm/io.h>
  25 #include <netdev.h>
  26 #include <asm/arch/cpu.h>
  27 #include <asm/arch/gpio.h>
  28 #include <asm/arch/mmc.h>
  29 #include <asm/arch/sromc.h>
  30
  31 DECLARE_GLOBAL_DATA_PTR;
  32 struct exynos4_gpio_part1 *gpio1;
  33 struct exynos4_gpio_part2 *gpio2;
  34
  35 static void smc9115_pre_init(void)
  36 {
  37         u32 smc_bw_conf, smc_bc_conf;
  38
  39         /* gpio configuration GPK0CON */
  40         s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
  41
  42         /* Ethernet needs bus width of 16 bits */
  43         smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
  44         smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
  45                         | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
  46                         | SROMC_BC_TAH(0x0F)  | SROMC_BC_TACP(0x0F)
  47                         | SROMC_BC_PMC(0x0F);
  48
  49         /* Select and configure the SROMC bank */
  50         s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  51 }
  52
  53 int board_init(void)
  54 {
  55         gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;
  56         gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE;
  57
  58         smc9115_pre_init();
  59
  60         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  61         return 0;
  62 }
  63
  64 int dram_init(void)
  65 {
  66         gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  67                         + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  68                         + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  69                         + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
  70
  71         return 0;
  72 }
  73
  74 void dram_init_banksize(void)
  75 {
  76         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  77         gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, \
  78                                                         PHYS_SDRAM_1_SIZE);
  79         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  80         gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \
  81                                                         PHYS_SDRAM_2_SIZE);
  82         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  83         gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \
  84                                                         PHYS_SDRAM_3_SIZE);
  85         gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
  86         gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \
  87                                                         PHYS_SDRAM_4_SIZE);
  88 }
  89
  90 int board_eth_init(bd_t *bis)
  91 {
  92         int rc = 0;
  93 #ifdef CONFIG_SMC911X
  94         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  95 #endif
  96         return rc;
  97 }
  98
  99 #ifdef CONFIG_DISPLAY_BOARDINFO
 100 int checkboard(void)
 101 {
 102         printf("\nBoard: SMDKV310\n");
 103         return 0;
 104 }
 105 #endif
 106
 107 #ifdef CONFIG_GENERIC_MMC
 108 int board_mmc_init(bd_t *bis)
 109 {
 110         int i, err;
 111
 112         /*
 113          * MMC2 SD card GPIO:
 114          *
 115          * GPK2[0]      SD_2_CLK(2)
 116          * GPK2[1]      SD_2_CMD(2)
 117          * GPK2[2]      SD_2_CDn
 118          * GPK2[3:6]    SD_2_DATA[0:3](2)
 119          */
 120         for (i = 0; i < 7; i++) {
 121                 /* GPK2[0:6] special function 2 */
 122                 s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
 123
 124                 /* GPK2[0:6] drv 4x */
 125                 s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
 126
 127                 /* GPK2[0:1] pull disable */
 128                 if (i == 0 || i == 1) {
 129                         s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
 130                         continue;
 131                 }
 132
 133                 /* GPK2[2:6] pull up */
 134                 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
 135         }
 136         err = s5p_mmc_init(2, 4);
 137         return err;
 138 }
 139 #endif