board/samsung/smdk5250/smdk5250.c

   1 /*
   2  * Copyright (C) 2012 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/pinmux.h>
  30 #include <asm/arch/sromc.h>
  31
  32 DECLARE_GLOBAL_DATA_PTR;
  33
  34 #ifdef CONFIG_SMC911X
  35 static int smc9115_pre_init(void)
  36 {
  37         u32 smc_bw_conf, smc_bc_conf;
  38         int err;
  39
  40         /* Ethernet needs data bus width of 16 bits */
  41         smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK)
  42                         | SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK);
  43
  44         smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01)
  45                         | SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01)
  46                         | SROMC_BC_TAH(0x0C)  | SROMC_BC_TACP(0x09)
  47                         | SROMC_BC_PMC(0x01);
  48
  49         /* Select and configure the SROMC bank */
  50         err = exynos_pinmux_config(PERIPH_ID_SROMC,
  51                                 CONFIG_ENV_SROM_BANK | PINMUX_FLAG_16BIT);
  52         if (err) {
  53                 debug("SROMC not configured\n");
  54                 return err;
  55         }
  56
  57         s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  58         return 0;
  59 }
  60 #endif
  61
  62 int board_init(void)
  63 {
  64         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  65         return 0;
  66 }
  67
  68 int dram_init(void)
  69 {
  70         gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  71                         + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  72                         + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  73                         + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)
  74                         + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE)
  75                         + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE)
  76                         + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE)
  77                         + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE);
  78         return 0;
  79 }
  80
  81 void dram_init_banksize(void)
  82 {
  83         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  84         gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
  85                                                         PHYS_SDRAM_1_SIZE);
  86         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  87         gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
  88                                                         PHYS_SDRAM_2_SIZE);
  89         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  90         gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
  91                                                         PHYS_SDRAM_3_SIZE);
  92         gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
  93         gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
  94                                                         PHYS_SDRAM_4_SIZE);
  95         gd->bd->bi_dram[4].start = PHYS_SDRAM_5;
  96         gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5,
  97                                                         PHYS_SDRAM_5_SIZE);
  98         gd->bd->bi_dram[5].start = PHYS_SDRAM_6;
  99         gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6,
 100                                                         PHYS_SDRAM_6_SIZE);
 101         gd->bd->bi_dram[6].start = PHYS_SDRAM_7;
 102         gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7,
 103                                                         PHYS_SDRAM_7_SIZE);
 104         gd->bd->bi_dram[7].start = PHYS_SDRAM_8;
 105         gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8,
 106                                                         PHYS_SDRAM_8_SIZE);
 107 }
 108
 109 int board_eth_init(bd_t *bis)
 110 {
 111 #ifdef CONFIG_SMC911X
 112         if (smc9115_pre_init())
 113                 return -1;
 114         return smc911x_initialize(0, CONFIG_SMC911X_BASE);
 115 #endif
 116         return 0;
 117 }
 118
 119 #ifdef CONFIG_DISPLAY_BOARDINFO
 120 int checkboard(void)
 121 {
 122         printf("\nBoard: SMDK5250\n");
 123
 124         return 0;
 125 }
 126 #endif
 127
 128 #ifdef CONFIG_GENERIC_MMC
 129 int board_mmc_init(bd_t *bis)
 130 {
 131         int err;
 132
 133         err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE);
 134         if (err) {
 135                 debug("SDMMC2 not configured\n");
 136                 return err;
 137         }
 138
 139         err = s5p_mmc_init(2, 4);
 140         return err;
 141 }
 142 #endif
 143
 144 static int board_uart_init(void)
 145 {
 146         int err;
 147
 148         err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
 149         if (err) {
 150                 debug("UART0 not configured\n");
 151                 return err;
 152         }
 153
 154         err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
 155         if (err) {
 156                 debug("UART1 not configured\n");
 157                 return err;
 158         }
 159
 160         err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
 161         if (err) {
 162                 debug("UART2 not configured\n");
 163                 return err;
 164         }
 165
 166         err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
 167         if (err) {
 168                 debug("UART3 not configured\n");
 169                 return err;
 170         }
 171
 172         return 0;
 173 }
 174
 175 #ifdef CONFIG_BOARD_EARLY_INIT_F
 176 int board_early_init_f(void)
 177 {
 178         return board_uart_init();
 179 }
 180 #endif