xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision 5187d8dd)
1 /*
2  *  Copyright (C) 2008-2009 Samsung Electronics
3  *  Minkyu Kang <mk7.kang@samsung.com>
4  *  Kyungmin Park <kyungmin.park@samsung.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #include <asm/arch/gpio.h>
27 #include <asm/arch/mmc.h>
28 #include <pmic.h>
29 
30 DECLARE_GLOBAL_DATA_PTR;
31 
32 static struct s5pc110_gpio *s5pc110_gpio;
33 
34 int board_init(void)
35 {
36 	/* Set Initial global variables */
37 	s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
38 
39 	gd->bd->bi_arch_number = MACH_TYPE_GONI;
40 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
41 
42 #if defined(CONFIG_PMIC)
43 	pmic_init();
44 #endif
45 	return 0;
46 }
47 
48 int dram_init(void)
49 {
50 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
51 			PHYS_SDRAM_3_SIZE;
52 
53 	return 0;
54 }
55 
56 void dram_init_banksize(void)
57 {
58 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
59 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
60 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
61 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
62 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
63 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
64 }
65 
66 #ifdef CONFIG_DISPLAY_BOARDINFO
67 int checkboard(void)
68 {
69 	puts("Board:\tGoni\n");
70 	return 0;
71 }
72 #endif
73 
74 #ifdef CONFIG_GENERIC_MMC
75 int board_mmc_init(bd_t *bis)
76 {
77 	int i;
78 
79 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
80 	s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
81 
82 	/*
83 	 * MMC0 GPIO
84 	 * GPG0[0]	SD_0_CLK
85 	 * GPG0[1]	SD_0_CMD
86 	 * GPG0[2]	SD_0_CDn	-> Not used
87 	 * GPG0[3:6]	SD_0_DATA[0:3]
88 	 */
89 	for (i = 0; i < 7; i++) {
90 		if (i == 2)
91 			continue;
92 		/* GPG0[0:6] special function 2 */
93 		s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
94 		/* GPG0[0:6] pull disable */
95 		s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
96 		/* GPG0[0:6] drv 4x */
97 		s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
98 	}
99 
100 	return s5p_mmc_init(0, 4);
101 }
102 #endif
103