1 /*
2  *  Copyright (C) 2008-2009 Samsung Electronics
3  *  Minkyu Kang <mk7.kang@samsung.com>
4  *  Kyungmin Park <kyungmin.park@samsung.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <asm/io.h>
11 #include <asm/arch/sromc.h>
12 #include <asm/arch/gpio.h>
13 #include <netdev.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 /*
18  * Miscellaneous platform dependent initialisations
19  */
20 static void smc9115_pre_init(void)
21 {
22 	u32 smc_bw_conf, smc_bc_conf;
23 
24 	struct s5pc100_gpio *const gpio =
25 		(struct s5pc100_gpio *)samsung_get_base_gpio();
26 
27 	/* gpio configuration GPK0CON */
28 	s5p_gpio_cfg_pin(&gpio->k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
29 
30 	/* Ethernet needs bus width of 16 bits */
31 	smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
32 	smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
33 			| SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
34 			| SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
35 
36 	/* Select and configure the SROMC bank */
37 	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
38 }
39 
40 int board_init(void)
41 {
42 	smc9115_pre_init();
43 
44 	gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
45 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
46 
47 	return 0;
48 }
49 
50 int dram_init(void)
51 {
52 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
53 
54 	return 0;
55 }
56 
57 void dram_init_banksize(void)
58 {
59 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
60 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
61 }
62 
63 #ifdef CONFIG_DISPLAY_BOARDINFO
64 int checkboard(void)
65 {
66 	printf("Board:\tSMDKC100\n");
67 	return 0;
68 }
69 #endif
70 
71 int board_eth_init(bd_t *bis)
72 {
73 	int rc = 0;
74 #ifdef CONFIG_SMC911X
75 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
76 #endif
77 	return rc;
78 }
79