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 s5pc210_gpio_part1 *gpio1;
33 struct s5pc210_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 s5pc210_gpio_part1 *) S5PC210_GPIO_PART1_BASE;
56 	gpio2 = (struct s5pc210_gpio_part2 *) S5PC210_GPIO_PART2_BASE;
57 
58 	smc9115_pre_init();
59 
60 	gd->bd->bi_arch_number = MACH_TYPE_SMDKV310;
61 	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
62 	return 0;
63 }
64 
65 int dram_init(void)
66 {
67 	gd->ram_size	= get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
68 			+ get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
69 			+ get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
70 			+ get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
71 
72 	return 0;
73 }
74 
75 void dram_init_banksize(void)
76 {
77 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
78 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
79 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
80 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
81 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
82 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
83 	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
84 	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
85 }
86 
87 int board_eth_init(bd_t *bis)
88 {
89 	int rc = 0;
90 #ifdef CONFIG_SMC911X
91 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
92 #endif
93 	return rc;
94 }
95 
96 #ifdef CONFIG_DISPLAY_BOARDINFO
97 int checkboard(void)
98 {
99 	printf("\nBoard: SMDKV310\n");
100 	return 0;
101 }
102 #endif
103 
104 #ifdef CONFIG_GENERIC_MMC
105 int board_mmc_init(bd_t *bis)
106 {
107 	int i, err;
108 
109 	/*
110 	 * MMC2 SD card GPIO:
111 	 *
112 	 * GPK2[0]	SD_2_CLK(2)
113 	 * GPK2[1]	SD_2_CMD(2)
114 	 * GPK2[2]	SD_2_CDn
115 	 * GPK2[3:6]	SD_2_DATA[0:3](2)
116 	 */
117 	for (i = 0; i < 7; i++) {
118 		/* GPK2[0:6] special function 2 */
119 		s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
120 
121 		/* GPK2[0:6] drv 4x */
122 		s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
123 
124 		/* GPK2[0:1] pull disable */
125 		if (i == 0 || i == 1) {
126 			s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
127 			continue;
128 		}
129 
130 		/* GPK2[2:6] pull up */
131 		s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
132 	}
133 	err = s5p_mmc_init(2, 4);
134 	return err;
135 }
136 #endif
137