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 <i2c.h>
  26 #include <netdev.h>
  27 #include <asm/arch/cpu.h>
  28 #include <asm/arch/gpio.h>
  29 #include <asm/arch/mmc.h>
  30 #include <asm/arch/pinmux.h>
  31 #include <asm/arch/sromc.h>
  32
  33 DECLARE_GLOBAL_DATA_PTR;
  34
  35 #ifdef CONFIG_SMC911X
  36 static int smc9115_pre_init(void)
  37 {
  38         u32 smc_bw_conf, smc_bc_conf;
  39         int err;
  40
  41         /* Ethernet needs data bus width of 16 bits */
  42         smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK)
  43                         | SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK);
  44
  45         smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01)
  46                         | SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01)
  47                         | SROMC_BC_TAH(0x0C)  | SROMC_BC_TACP(0x09)
  48                         | SROMC_BC_PMC(0x01);
  49
  50         /* Select and configure the SROMC bank */
  51         err = exynos_pinmux_config(PERIPH_ID_SROMC,
  52                                 CONFIG_ENV_SROM_BANK | PINMUX_FLAG_16BIT);
  53         if (err) {
  54                 debug("SROMC not configured\n");
  55                 return err;
  56         }
  57
  58         s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  59         return 0;
  60 }
  61 #endif
  62
  63 int board_init(void)
  64 {
  65         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  66         return 0;
  67 }
  68
  69 int dram_init(void)
  70 {
  71         gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  72                         + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  73                         + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  74                         + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)
  75                         + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE)
  76                         + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE)
  77                         + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE)
  78                         + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE);
  79         return 0;
  80 }
  81
  82 void dram_init_banksize(void)
  83 {
  84         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  85         gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
  86                                                         PHYS_SDRAM_1_SIZE);
  87         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  88         gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
  89                                                         PHYS_SDRAM_2_SIZE);
  90         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  91         gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
  92                                                         PHYS_SDRAM_3_SIZE);
  93         gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
  94         gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
  95                                                         PHYS_SDRAM_4_SIZE);
  96         gd->bd->bi_dram[4].start = PHYS_SDRAM_5;
  97         gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5,
  98                                                         PHYS_SDRAM_5_SIZE);
  99         gd->bd->bi_dram[5].start = PHYS_SDRAM_6;
 100         gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6,
 101                                                         PHYS_SDRAM_6_SIZE);
 102         gd->bd->bi_dram[6].start = PHYS_SDRAM_7;
 103         gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7,
 104                                                         PHYS_SDRAM_7_SIZE);
 105         gd->bd->bi_dram[7].start = PHYS_SDRAM_8;
 106         gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8,
 107                                                         PHYS_SDRAM_8_SIZE);
 108 }
 109
 110 int board_eth_init(bd_t *bis)
 111 {
 112 #ifdef CONFIG_SMC911X
 113         if (smc9115_pre_init())
 114                 return -1;
 115         return smc911x_initialize(0, CONFIG_SMC911X_BASE);
 116 #endif
 117         return 0;
 118 }
 119
 120 #ifdef CONFIG_DISPLAY_BOARDINFO
 121 int checkboard(void)
 122 {
 123         printf("\nBoard: SMDK5250\n");
 124
 125         return 0;
 126 }
 127 #endif
 128
 129 #ifdef CONFIG_GENERIC_MMC
 130 int board_mmc_init(bd_t *bis)
 131 {
 132         int err;
 133
 134         err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
 135         if (err) {
 136                 debug("SDMMC0 not configured\n");
 137                 return err;
 138         }
 139
 140         err = s5p_mmc_init(0, 8);
 141         return err;
 142 }
 143 #endif
 144
 145 static int board_uart_init(void)
 146 {
 147         int err;
 148
 149         err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
 150         if (err) {
 151                 debug("UART0 not configured\n");
 152                 return err;
 153         }
 154
 155         err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
 156         if (err) {
 157                 debug("UART1 not configured\n");
 158                 return err;
 159         }
 160
 161         err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
 162         if (err) {
 163                 debug("UART2 not configured\n");
 164                 return err;
 165         }
 166
 167         err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
 168         if (err) {
 169                 debug("UART3 not configured\n");
 170                 return err;
 171         }
 172
 173         return 0;
 174 }
 175
 176 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 177 static int board_i2c_init(void)
 178 {
 179         int i, err;
 180
 181         for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) {
 182                 err = exynos_pinmux_config((PERIPH_ID_I2C0 + i),
 183                                                 PINMUX_FLAG_NONE);
 184                 if (err) {
 185                         debug("I2C%d not configured\n", (PERIPH_ID_I2C0 + i));
 186                         return err;
 187                 }
 188         }
 189         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 190         return 0;
 191 }
 192 #endif
 193
 194 #ifdef CONFIG_BOARD_EARLY_INIT_F
 195 int board_early_init_f(void)
 196 {
 197         int err;
 198         err = board_uart_init();
 199         if (err) {
 200                 debug("UART init failed\n");
 201                 return err;
 202         }
 203 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 204         err = board_i2c_init();
 205 #endif
 206         return err;
 207 }
 208 #endif