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