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/io.h>
27 #include <asm/arch/sromc.h>
28 #include <asm/arch/gpio.h>
29 #include <netdev.h>
30 
31 DECLARE_GLOBAL_DATA_PTR;
32 
33 /*
34  * Miscellaneous platform dependent initialisations
35  */
36 static void smc9115_pre_init(void)
37 {
38 	u32 smc_bw_conf, smc_bc_conf;
39 
40 	struct s5pc100_gpio *const gpio =
41 		(struct s5pc100_gpio *)samsung_get_base_gpio();
42 
43 	/* gpio configuration GPK0CON */
44 	gpio_cfg_pin(&gpio->k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
45 
46 	/* Ethernet needs bus width of 16 bits */
47 	smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
48 	smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
49 			| SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
50 			| SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
51 
52 	/* Select and configure the SROMC bank */
53 	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
54 }
55 
56 int board_init(void)
57 {
58 	smc9115_pre_init();
59 
60 	gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
61 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
62 
63 	return 0;
64 }
65 
66 int dram_init(void)
67 {
68 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
69 
70 	return 0;
71 }
72 
73 void dram_init_banksize(void)
74 {
75 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
76 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
77 }
78 
79 #ifdef CONFIG_DISPLAY_BOARDINFO
80 int checkboard(void)
81 {
82 	printf("Board:\tSMDKC100\n");
83 	return 0;
84 }
85 #endif
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