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 <spi.h>
  28 #include <asm/arch/cpu.h>
  29 #include <asm/arch/gpio.h>
  30 #include <asm/arch/mmc.h>
  31 #include <asm/arch/pinmux.h>
  32 #include <asm/arch/sromc.h>
  33 #include <power/pmic.h>
  34
  35 DECLARE_GLOBAL_DATA_PTR;
  36
  37 #ifdef CONFIG_SMC911X
  38 static int smc9115_pre_init(void)
  39 {
  40         u32 smc_bw_conf, smc_bc_conf;
  41         int err;
  42
  43         /* Ethernet needs data bus width of 16 bits */
  44         smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK)
  45                         | SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK);
  46
  47         smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01)
  48                         | SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01)
  49                         | SROMC_BC_TAH(0x0C)  | SROMC_BC_TACP(0x09)
  50                         | SROMC_BC_PMC(0x01);
  51
  52         /* Select and configure the SROMC bank */
  53         err = exynos_pinmux_config(PERIPH_ID_SROMC,
  54                                 CONFIG_ENV_SROM_BANK | PINMUX_FLAG_16BIT);
  55         if (err) {
  56                 debug("SROMC not configured\n");
  57                 return err;
  58         }
  59
  60         s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  61         return 0;
  62 }
  63 #endif
  64
  65 int board_init(void)
  66 {
  67         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
  68 #ifdef CONFIG_EXYNOS_SPI
  69         spi_init();
  70 #endif
  71         return 0;
  72 }
  73
  74 int dram_init(void)
  75 {
  76         gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  77                         + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  78                         + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  79                         + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)
  80                         + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE)
  81                         + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE)
  82                         + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE)
  83                         + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE);
  84         return 0;
  85 }
  86
  87 #if defined(CONFIG_POWER)
  88 int power_init_board(void)
  89 {
  90         if (pmic_init(I2C_PMIC))
  91                 return -1;
  92         else
  93                 return 0;
  94 }
  95 #endif
  96
  97 void dram_init_banksize(void)
  98 {
  99         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 100         gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
 101                                                         PHYS_SDRAM_1_SIZE);
 102         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
 103         gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
 104                                                         PHYS_SDRAM_2_SIZE);
 105         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
 106         gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
 107                                                         PHYS_SDRAM_3_SIZE);
 108         gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
 109         gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
 110                                                         PHYS_SDRAM_4_SIZE);
 111         gd->bd->bi_dram[4].start = PHYS_SDRAM_5;
 112         gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5,
 113                                                         PHYS_SDRAM_5_SIZE);
 114         gd->bd->bi_dram[5].start = PHYS_SDRAM_6;
 115         gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6,
 116                                                         PHYS_SDRAM_6_SIZE);
 117         gd->bd->bi_dram[6].start = PHYS_SDRAM_7;
 118         gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7,
 119                                                         PHYS_SDRAM_7_SIZE);
 120         gd->bd->bi_dram[7].start = PHYS_SDRAM_8;
 121         gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8,
 122                                                         PHYS_SDRAM_8_SIZE);
 123 }
 124
 125 int board_eth_init(bd_t *bis)
 126 {
 127 #ifdef CONFIG_SMC911X
 128         if (smc9115_pre_init())
 129                 return -1;
 130         return smc911x_initialize(0, CONFIG_SMC911X_BASE);
 131 #endif
 132         return 0;
 133 }
 134
 135 #ifdef CONFIG_DISPLAY_BOARDINFO
 136 int checkboard(void)
 137 {
 138         printf("\nBoard: SMDK5250\n");
 139
 140         return 0;
 141 }
 142 #endif
 143
 144 #ifdef CONFIG_GENERIC_MMC
 145 int board_mmc_init(bd_t *bis)
 146 {
 147         int err;
 148
 149         err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
 150         if (err) {
 151                 debug("SDMMC0 not configured\n");
 152                 return err;
 153         }
 154
 155         err = s5p_mmc_init(0, 8);
 156         return err;
 157 }
 158 #endif
 159
 160 static int board_uart_init(void)
 161 {
 162         int err;
 163
 164         err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
 165         if (err) {
 166                 debug("UART0 not configured\n");
 167                 return err;
 168         }
 169
 170         err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
 171         if (err) {
 172                 debug("UART1 not configured\n");
 173                 return err;
 174         }
 175
 176         err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
 177         if (err) {
 178                 debug("UART2 not configured\n");
 179                 return err;
 180         }
 181
 182         err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
 183         if (err) {
 184                 debug("UART3 not configured\n");
 185                 return err;
 186         }
 187
 188         return 0;
 189 }
 190
 191 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 192 static int board_i2c_init(void)
 193 {
 194         int i, err;
 195
 196         for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) {
 197                 err = exynos_pinmux_config((PERIPH_ID_I2C0 + i),
 198                                                 PINMUX_FLAG_NONE);
 199                 if (err) {
 200                         debug("I2C%d not configured\n", (PERIPH_ID_I2C0 + i));
 201                         return err;
 202                 }
 203         }
 204         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 205         return 0;
 206 }
 207 #endif
 208
 209 #ifdef CONFIG_BOARD_EARLY_INIT_F
 210 int board_early_init_f(void)
 211 {
 212         int err;
 213         err = board_uart_init();
 214         if (err) {
 215                 debug("UART init failed\n");
 216                 return err;
 217         }
 218 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 219         err = board_i2c_init();
 220 #endif
 221         return err;
 222 }
 223 #endif