1 /*
2  * Copyright (C) 2011 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 <netdev.h>
26 #include <asm/arch/cpu.h>
27 #include <asm/arch/gpio.h>
28 #include <asm/arch/mmc.h>
29 #include <asm/arch/sromc.h>
30 
31 DECLARE_GLOBAL_DATA_PTR;
32 struct exynos4_gpio_part1 *gpio1;
33 struct exynos4_gpio_part2 *gpio2;
34 
35 static void smc9115_pre_init(void)
36 {
37 	u32 smc_bw_conf, smc_bc_conf;
38 
39 	/* gpio configuration GPK0CON */
40 	s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
41 
42 	/* Ethernet needs bus width of 16 bits */
43 	smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
44 	smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
45 			| SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
46 			| SROMC_BC_TAH(0x0F)  | SROMC_BC_TACP(0x0F)
47 			| SROMC_BC_PMC(0x0F);
48 
49 	/* Select and configure the SROMC bank */
50 	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
51 }
52 
53 int board_init(void)
54 {
55 	gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;
56 	gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE;
57 
58 	smc9115_pre_init();
59 
60 	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
61 	return 0;
62 }
63 
64 int dram_init(void)
65 {
66 	gd->ram_size	= get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
67 			+ get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
68 			+ get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
69 			+ get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
70 
71 	return 0;
72 }
73 
74 void dram_init_banksize(void)
75 {
76 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
77 	gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, \
78 							PHYS_SDRAM_1_SIZE);
79 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
80 	gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \
81 							PHYS_SDRAM_2_SIZE);
82 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
83 	gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \
84 							PHYS_SDRAM_3_SIZE);
85 	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
86 	gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \
87 							PHYS_SDRAM_4_SIZE);
88 }
89 
90 int board_eth_init(bd_t *bis)
91 {
92 	int rc = 0;
93 #ifdef CONFIG_SMC911X
94 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
95 #endif
96 	return rc;
97 }
98 
99 #ifdef CONFIG_DISPLAY_BOARDINFO
100 int checkboard(void)
101 {
102 	printf("\nBoard: SMDKV310\n");
103 	return 0;
104 }
105 #endif
106 
107 #ifdef CONFIG_GENERIC_MMC
108 int board_mmc_init(bd_t *bis)
109 {
110 	int i, err;
111 
112 	/*
113 	 * MMC2 SD card GPIO:
114 	 *
115 	 * GPK2[0]	SD_2_CLK(2)
116 	 * GPK2[1]	SD_2_CMD(2)
117 	 * GPK2[2]	SD_2_CDn
118 	 * GPK2[3:6]	SD_2_DATA[0:3](2)
119 	 */
120 	for (i = 0; i < 7; i++) {
121 		/* GPK2[0:6] special function 2 */
122 		s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
123 
124 		/* GPK2[0:6] drv 4x */
125 		s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
126 
127 		/* GPK2[0:1] pull disable */
128 		if (i == 0 || i == 1) {
129 			s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
130 			continue;
131 		}
132 
133 		/* GPK2[2:6] pull up */
134 		s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
135 	}
136 	err = s5p_mmc_init(2, 4);
137 	return err;
138 }
139 #endif
140