diff options
Diffstat (limited to 'qemu/roms/u-boot/board/samsung/smdkv310/smdkv310.c')
| -rw-r--r-- | qemu/roms/u-boot/board/samsung/smdkv310/smdkv310.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/samsung/smdkv310/smdkv310.c b/qemu/roms/u-boot/board/samsung/smdkv310/smdkv310.c new file mode 100644 index 000000000..81a306082 --- /dev/null +++ b/qemu/roms/u-boot/board/samsung/smdkv310/smdkv310.c @@ -0,0 +1,169 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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/periph.h> +#include <asm/arch/pinmux.h> +#include <asm/arch/sromc.h> + +DECLARE_GLOBAL_DATA_PTR; +struct exynos4_gpio_part1 *gpio1; +struct exynos4_gpio_part2 *gpio2; + +static void smc9115_pre_init(void) +{ + u32 smc_bw_conf, smc_bc_conf; + + /* gpio configuration GPK0CON */ + s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); + + /* Ethernet needs bus width of 16 bits */ + smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK); + smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F) + | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F) + | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F) + | SROMC_BC_PMC(0x0F); + + /* Select and configure the SROMC bank */ + s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); +} + +int board_init(void) +{ + gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; + gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; + + smc9115_pre_init(); + + 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); + + 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); +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + printf("\nBoard: SMDKV310\n"); + return 0; +} +#endif + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + int i, err; + + /* + * MMC2 SD card GPIO: + * + * GPK2[0] SD_2_CLK(2) + * GPK2[1] SD_2_CMD(2) + * GPK2[2] SD_2_CDn + * GPK2[3:6] SD_2_DATA[0:3](2) + */ + for (i = 0; i < 7; i++) { + /* GPK2[0:6] special function 2 */ + s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2)); + + /* GPK2[0:6] drv 4x */ + s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X); + + /* GPK2[0:1] pull disable */ + if (i == 0 || i == 1) { + s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); + continue; + } + + /* GPK2[2:6] pull up */ + s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP); + } + err = s5p_mmc_init(2, 4); + return err; +} +#endif + +static int board_uart_init(void) +{ + int err; + + err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); + if (err) { + debug("UART0 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); + if (err) { + debug("UART1 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); + if (err) { + debug("UART2 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); + if (err) { + debug("UART3 not configured\n"); + return err; + } + + return 0; +} + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ + int err; + err = board_uart_init(); + if (err) { + debug("UART init failed\n"); + return err; + } + return err; +} +#endif |