diff options
Diffstat (limited to 'board/samsung/smdk5250/smdk5250.c')
| -rw-r--r-- | board/samsung/smdk5250/smdk5250.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c new file mode 100644 index 00000000000..04c863adfcb --- /dev/null +++ b/board/samsung/smdk5250/smdk5250.c @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <netdev.h> +#include <asm/arch/cpu.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc.h> +#include <asm/arch/sromc.h> + +DECLARE_GLOBAL_DATA_PTR; +struct exynos5_gpio_part1 *gpio1; + +int board_init(void) +{ + gpio1 = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); + + gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) + + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) + + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) + + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE) + + get_ram_size((long *)PHYS_SDRAM_5, PHYS_SDRAM_7_SIZE) + + get_ram_size((long *)PHYS_SDRAM_6, PHYS_SDRAM_7_SIZE) + + get_ram_size((long *)PHYS_SDRAM_7, PHYS_SDRAM_7_SIZE) + + get_ram_size((long *)PHYS_SDRAM_8, PHYS_SDRAM_8_SIZE); + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, + PHYS_SDRAM_2_SIZE); + gd->bd->bi_dram[2].start = PHYS_SDRAM_3; + gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, + PHYS_SDRAM_3_SIZE); + gd->bd->bi_dram[3].start = PHYS_SDRAM_4; + gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, + PHYS_SDRAM_4_SIZE); + gd->bd->bi_dram[4].start = PHYS_SDRAM_5; + gd->bd->bi_dram[4].size = get_ram_size((long *)PHYS_SDRAM_5, + PHYS_SDRAM_5_SIZE); + gd->bd->bi_dram[5].start = PHYS_SDRAM_6; + gd->bd->bi_dram[5].size = get_ram_size((long *)PHYS_SDRAM_6, + PHYS_SDRAM_6_SIZE); + gd->bd->bi_dram[6].start = PHYS_SDRAM_7; + gd->bd->bi_dram[6].size = get_ram_size((long *)PHYS_SDRAM_7, + PHYS_SDRAM_7_SIZE); + gd->bd->bi_dram[7].start = PHYS_SDRAM_8; + gd->bd->bi_dram[7].size = get_ram_size((long *)PHYS_SDRAM_8, + PHYS_SDRAM_8_SIZE); +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + printf("\nBoard: SMDK5250\n"); + + return 0; +} +#endif + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + int i, err; + + /* + * MMC2 SD card GPIO: + * + * GPC2[0] SD_2_CLK(2) + * GPC2[1] SD_2_CMD(2) + * GPC2[2] SD_2_CDn + * GPC2[3:6] SD_2_DATA[0:3](2) + */ + for (i = 0; i < 7; i++) { + /* GPC2[0:6] special function 2 */ + s5p_gpio_cfg_pin(&gpio1->c2, i, GPIO_FUNC(0x2)); + + /* GPK2[0:6] drv 4x */ + s5p_gpio_set_drv(&gpio1->c2, i, GPIO_DRV_4X); + + /* GPK2[0:1] pull disable */ + if (i == 0 || i == 1) { + s5p_gpio_set_pull(&gpio1->c2, i, GPIO_PULL_NONE); + continue; + } + + /* GPK2[2:6] pull up */ + s5p_gpio_set_pull(&gpio1->c2, i, GPIO_PULL_UP); + } + + err = s5p_mmc_init(2, 4); + return err; +} +#endif + +static void board_uart_init(void) +{ + struct exynos5_gpio_part1 *gpio1 = + (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); + int i; + + /* UART1 GPIOs (part1) : GPA0CON[7:4] 0x2222 */ + for (i = 4; i < 8; i++) { + s5p_gpio_set_pull(&gpio1->a0, i, GPIO_PULL_NONE); + s5p_gpio_cfg_pin(&gpio1->a0, i, GPIO_FUNC(0x2)); + } +} + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ + board_uart_init(); + return 0; +} +#endif |