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 s5pc210_gpio_part1 *gpio1;
  33 struct s5pc210_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         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 s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE;
  56         gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE;
  57
  58         smc9115_pre_init();
  59
  60         gd->bd->bi_arch_number = MACH_TYPE_SMDKV310;
  61         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  62         return 0;
  63 }
  64
  65 int dram_init(void)
  66 {
  67         gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  68                         + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  69                         + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  70                         + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
  71
  72         return 0;
  73 }
  74
  75 void dram_init_banksize(void)
  76 {
  77         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  78         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  79         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  80         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  81         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  82         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  83         gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
  84         gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
  85 }
  86
  87 int board_eth_init(bd_t *bis)
  88 {
  89         int rc = 0;
  90 #ifdef CONFIG_SMC911X
  91         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  92 #endif
  93         return rc;
  94 }
  95
  96 #ifdef CONFIG_DISPLAY_BOARDINFO
  97 int checkboard(void)
  98 {
  99         printf("\nBoard: SMDKV310\n");
 100         return 0;
 101 }
 102 #endif
 103
 104 #ifdef CONFIG_GENERIC_MMC
 105 int board_mmc_init(bd_t *bis)
 106 {
 107         int i, err;
 108
 109         /*
 110          * MMC2 SD card GPIO:
 111          *
 112          * GPK2[0]      SD_2_CLK(2)
 113          * GPK2[1]      SD_2_CMD(2)
 114          * GPK2[2]      SD_2_CDn
 115          * GPK2[3:6]    SD_2_DATA[0:3](2)
 116          */
 117         for (i = 0; i < 7; i++) {
 118                 /* GPK2[0:6] special function 2 */
 119                 gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
 120
 121                 /* GPK2[0:6] drv 4x */
 122                 gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
 123
 124                 /* GPK2[0:1] pull disable */
 125                 if (i == 0 || i == 1) {
 126                         gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
 127                         continue;
 128                 }
 129
 130                 /* GPK2[2:6] pull up */
 131                 gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
 132         }
 133         err = s5p_mmc_init(2, 4);
 134         return err;
 135 }
 136 #endif