1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2011 Samsung Electronics
4 */
5
6 #include <common.h>
7 #include <init.h>
8 #include <log.h>
9 #include <net.h>
10 #include <asm/global_data.h>
11 #include <asm/gpio.h>
12 #include <asm/io.h>
13 #include <netdev.h>
14 #include <asm/arch/cpu.h>
15 #include <asm/arch/mmc.h>
16 #include <asm/arch/periph.h>
17 #include <asm/arch/pinmux.h>
18 #include <asm/arch/sromc.h>
19
20 DECLARE_GLOBAL_DATA_PTR;
21
smc9115_pre_init(void)22 static void smc9115_pre_init(void)
23 {
24 u32 smc_bw_conf, smc_bc_conf;
25
26 /* gpio configuration GPK0CON */
27 gpio_cfg_pin(EXYNOS4_GPIO_Y00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
28
29 /* Ethernet needs bus width of 16 bits */
30 smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
31 smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
32 | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
33 | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F)
34 | SROMC_BC_PMC(0x0F);
35
36 /* Select and configure the SROMC bank */
37 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
38 }
39
board_init(void)40 int board_init(void)
41 {
42 smc9115_pre_init();
43
44 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
45 return 0;
46 }
47
dram_init(void)48 int dram_init(void)
49 {
50 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
51 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
52 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
53 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
54
55 return 0;
56 }
57
dram_init_banksize(void)58 int dram_init_banksize(void)
59 {
60 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
61 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
62 PHYS_SDRAM_1_SIZE);
63 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
64 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
65 PHYS_SDRAM_2_SIZE);
66 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
67 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
68 PHYS_SDRAM_3_SIZE);
69 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
70 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
71 PHYS_SDRAM_4_SIZE);
72
73 return 0;
74 }
75
board_eth_init(struct bd_info * bis)76 int board_eth_init(struct bd_info *bis)
77 {
78 int rc = 0;
79 #ifdef CONFIG_SMC911X
80 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
81 #endif
82 return rc;
83 }
84
85 #ifdef CONFIG_DISPLAY_BOARDINFO
checkboard(void)86 int checkboard(void)
87 {
88 printf("\nBoard: SMDKV310\n");
89 return 0;
90 }
91 #endif
92
93 #ifdef CONFIG_MMC
board_mmc_init(struct bd_info * bis)94 int board_mmc_init(struct bd_info *bis)
95 {
96 int i, err;
97
98 /*
99 * MMC2 SD card GPIO:
100 *
101 * GPK2[0] SD_2_CLK(2)
102 * GPK2[1] SD_2_CMD(2)
103 * GPK2[2] SD_2_CDn
104 * GPK2[3:6] SD_2_DATA[0:3](2)
105 */
106 for (i = EXYNOS4_GPIO_K20; i < EXYNOS4_GPIO_K27; i++) {
107 /* GPK2[0:6] special function 2 */
108 gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
109
110 /* GPK2[0:6] drv 4x */
111 gpio_set_drv(i, S5P_GPIO_DRV_4X);
112
113 /* GPK2[0:1] pull disable */
114 if (i == EXYNOS4_GPIO_K20 || i == EXYNOS4_GPIO_K21) {
115 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
116 continue;
117 }
118
119 /* GPK2[2:6] pull up */
120 gpio_set_pull(i, S5P_GPIO_PULL_UP);
121 }
122 err = s5p_mmc_init(2, 4);
123 return err;
124 }
125 #endif
126
board_uart_init(void)127 static int board_uart_init(void)
128 {
129 int err;
130
131 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
132 if (err) {
133 debug("UART0 not configured\n");
134 return err;
135 }
136
137 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
138 if (err) {
139 debug("UART1 not configured\n");
140 return err;
141 }
142
143 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
144 if (err) {
145 debug("UART2 not configured\n");
146 return err;
147 }
148
149 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
150 if (err) {
151 debug("UART3 not configured\n");
152 return err;
153 }
154
155 return 0;
156 }
157
158 #ifdef CONFIG_BOARD_EARLY_INIT_F
board_early_init_f(void)159 int board_early_init_f(void)
160 {
161 int err;
162 err = board_uart_init();
163 if (err) {
164 debug("UART init failed\n");
165 return err;
166 }
167 return err;
168 }
169 #endif
170