]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/samsung/smdkv310/smdkv310.c
2 * Copyright (C) 2011 Samsung Electronics
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/mmc.h>
13 #include <asm/arch/periph.h>
14 #include <asm/arch/pinmux.h>
15 #include <asm/arch/sromc.h>
17 DECLARE_GLOBAL_DATA_PTR
;
19 static void smc9115_pre_init(void)
21 u32 smc_bw_conf
, smc_bc_conf
;
23 /* gpio configuration GPK0CON */
24 gpio_cfg_pin(EXYNOS4_GPIO_Y00
+ CONFIG_ENV_SROM_BANK
, S5P_GPIO_FUNC(2));
26 /* Ethernet needs bus width of 16 bits */
27 smc_bw_conf
= SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK
);
28 smc_bc_conf
= SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
29 | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
30 | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F)
33 /* Select and configure the SROMC bank */
34 s5p_config_sromc(CONFIG_ENV_SROM_BANK
, smc_bw_conf
, smc_bc_conf
);
41 gd
->bd
->bi_boot_params
= (PHYS_SDRAM_1
+ 0x100UL
);
47 gd
->ram_size
= get_ram_size((long *)PHYS_SDRAM_1
, PHYS_SDRAM_1_SIZE
)
48 + get_ram_size((long *)PHYS_SDRAM_2
, PHYS_SDRAM_2_SIZE
)
49 + get_ram_size((long *)PHYS_SDRAM_3
, PHYS_SDRAM_3_SIZE
)
50 + get_ram_size((long *)PHYS_SDRAM_4
, PHYS_SDRAM_4_SIZE
);
55 int dram_init_banksize(void)
57 gd
->bd
->bi_dram
[0].start
= PHYS_SDRAM_1
;
58 gd
->bd
->bi_dram
[0].size
= get_ram_size((long *)PHYS_SDRAM_1
,
60 gd
->bd
->bi_dram
[1].start
= PHYS_SDRAM_2
;
61 gd
->bd
->bi_dram
[1].size
= get_ram_size((long *)PHYS_SDRAM_2
,
63 gd
->bd
->bi_dram
[2].start
= PHYS_SDRAM_3
;
64 gd
->bd
->bi_dram
[2].size
= get_ram_size((long *)PHYS_SDRAM_3
,
66 gd
->bd
->bi_dram
[3].start
= PHYS_SDRAM_4
;
67 gd
->bd
->bi_dram
[3].size
= get_ram_size((long *)PHYS_SDRAM_4
,
73 int board_eth_init(bd_t
*bis
)
77 rc
= smc911x_initialize(0, CONFIG_SMC911X_BASE
);
82 #ifdef CONFIG_DISPLAY_BOARDINFO
85 printf("\nBoard: SMDKV310\n");
90 #ifdef CONFIG_GENERIC_MMC
91 int board_mmc_init(bd_t
*bis
)
101 * GPK2[3:6] SD_2_DATA[0:3](2)
103 for (i
= EXYNOS4_GPIO_K20
; i
< EXYNOS4_GPIO_K27
; i
++) {
104 /* GPK2[0:6] special function 2 */
105 gpio_cfg_pin(i
, S5P_GPIO_FUNC(0x2));
107 /* GPK2[0:6] drv 4x */
108 gpio_set_drv(i
, S5P_GPIO_DRV_4X
);
110 /* GPK2[0:1] pull disable */
111 if (i
== EXYNOS4_GPIO_K20
|| i
== EXYNOS4_GPIO_K21
) {
112 gpio_set_pull(i
, S5P_GPIO_PULL_NONE
);
116 /* GPK2[2:6] pull up */
117 gpio_set_pull(i
, S5P_GPIO_PULL_UP
);
119 err
= s5p_mmc_init(2, 4);
124 static int board_uart_init(void)
128 err
= exynos_pinmux_config(PERIPH_ID_UART0
, PINMUX_FLAG_NONE
);
130 debug("UART0 not configured\n");
134 err
= exynos_pinmux_config(PERIPH_ID_UART1
, PINMUX_FLAG_NONE
);
136 debug("UART1 not configured\n");
140 err
= exynos_pinmux_config(PERIPH_ID_UART2
, PINMUX_FLAG_NONE
);
142 debug("UART2 not configured\n");
146 err
= exynos_pinmux_config(PERIPH_ID_UART3
, PINMUX_FLAG_NONE
);
148 debug("UART3 not configured\n");
155 #ifdef CONFIG_BOARD_EARLY_INIT_F
156 int board_early_init_f(void)
159 err
= board_uart_init();
161 debug("UART init failed\n");