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/gpio.h>
11 #include <asm/io.h>
12 #include <asm/arch/sromc.h>
13 #include <netdev.h>
14 #include <asm/mach-types.h>
15 
16 DECLARE_GLOBAL_DATA_PTR;
17 
18 /*
19  * Miscellaneous platform dependent initialisations
20  */
21 static void smc9115_pre_init(void)
22 {
23 	u32 smc_bw_conf, smc_bc_conf;
24 
25 	/* gpio configuration GPK0CON */
26 	gpio_cfg_pin(S5PC100_GPIO_K00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
27 
28 	/* Ethernet needs bus width of 16 bits */
29 	smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
30 	smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
31 			| SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
32 			| SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
33 
34 	/* Select and configure the SROMC bank */
35 	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
36 }
37 
38 int board_init(void)
39 {
40 	smc9115_pre_init();
41 
42 	gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
43 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
44 
45 	return 0;
46 }
47 
48 int dram_init(void)
49 {
50 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
51 
52 	return 0;
53 }
54 
55 int dram_init_banksize(void)
56 {
57 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
58 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
59 
60 	return 0;
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