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 <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 #if defined(CONFIG_PMIC)
  69         pmic_init();
  70 #endif
  71 #ifdef CONFIG_EXYNOS_SPI
  72         spi_init();
  73 #endif
  74         return 0;
  75 }
  76
  77 int dram_init(void)
  78 {
  79         gd->ram_size    = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
  80                         + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
  81                         + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
  82                         + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE)
  83                         + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE)
  84                         + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE)
  85                         + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE)
  86                         + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE);
  87         return 0;
  88 }
  89
  90 void dram_init_banksize(void)
  91 {
  92         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  93         gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
  94                                                         PHYS_SDRAM_1_SIZE);
  95         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  96         gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
  97                                                         PHYS_SDRAM_2_SIZE);
  98         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  99         gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
 100                                                         PHYS_SDRAM_3_SIZE);
 101         gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
 102         gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
 103                                                         PHYS_SDRAM_4_SIZE);
 104         gd->bd->bi_dram[4].start = PHYS_SDRAM_5;
 105         gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5,
 106                                                         PHYS_SDRAM_5_SIZE);
 107         gd->bd->bi_dram[5].start = PHYS_SDRAM_6;
 108         gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6,
 109                                                         PHYS_SDRAM_6_SIZE);
 110         gd->bd->bi_dram[6].start = PHYS_SDRAM_7;
 111         gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7,
 112                                                         PHYS_SDRAM_7_SIZE);
 113         gd->bd->bi_dram[7].start = PHYS_SDRAM_8;
 114         gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8,
 115                                                         PHYS_SDRAM_8_SIZE);
 116 }
 117
 118 int board_eth_init(bd_t *bis)
 119 {
 120 #ifdef CONFIG_SMC911X
 121         if (smc9115_pre_init())
 122                 return -1;
 123         return smc911x_initialize(0, CONFIG_SMC911X_BASE);
 124 #endif
 125         return 0;
 126 }
 127
 128 #ifdef CONFIG_DISPLAY_BOARDINFO
 129 int checkboard(void)
 130 {
 131         printf("\nBoard: SMDK5250\n");
 132
 133         return 0;
 134 }
 135 #endif
 136
 137 #ifdef CONFIG_GENERIC_MMC
 138 int board_mmc_init(bd_t *bis)
 139 {
 140         int err;
 141
 142         err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE);
 143         if (err) {
 144                 debug("SDMMC0 not configured\n");
 145                 return err;
 146         }
 147
 148         err = s5p_mmc_init(0, 8);
 149         return err;
 150 }
 151 #endif
 152
 153 static int board_uart_init(void)
 154 {
 155         int err;
 156
 157         err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
 158         if (err) {
 159                 debug("UART0 not configured\n");
 160                 return err;
 161         }
 162
 163         err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
 164         if (err) {
 165                 debug("UART1 not configured\n");
 166                 return err;
 167         }
 168
 169         err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
 170         if (err) {
 171                 debug("UART2 not configured\n");
 172                 return err;
 173         }
 174
 175         err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
 176         if (err) {
 177                 debug("UART3 not configured\n");
 178                 return err;
 179         }
 180
 181         return 0;
 182 }
 183
 184 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 185 static int board_i2c_init(void)
 186 {
 187         int i, err;
 188
 189         for (i = 0; i < CONFIG_MAX_I2C_NUM; i++) {
 190                 err = exynos_pinmux_config((PERIPH_ID_I2C0 + i),
 191                                                 PINMUX_FLAG_NONE);
 192                 if (err) {
 193                         debug("I2C%d not configured\n", (PERIPH_ID_I2C0 + i));
 194                         return err;
 195                 }
 196         }
 197         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 198         return 0;
 199 }
 200 #endif
 201
 202 #ifdef CONFIG_BOARD_EARLY_INIT_F
 203 int board_early_init_f(void)
 204 {
 205         int err;
 206         err = board_uart_init();
 207         if (err) {
 208                 debug("UART init failed\n");
 209                 return err;
 210         }
 211 #ifdef CONFIG_SYS_I2C_INIT_BOARD
 212         err = board_i2c_init();
 213 #endif
 214         return err;
 215 }
 216 #endif