1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  *  Copyright (C) 2008-2009 Samsung Electronics
4  *  Minkyu Kang <mk7.kang@samsung.com>
5  *  Kyungmin Park <kyungmin.park@samsung.com>
6  */
7 
8 #include <common.h>
9 #include <asm/gpio.h>
10 #include <asm/io.h>
11 #include <asm/arch/sromc.h>
12 #include <netdev.h>
13 #include <asm/mach-types.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 	/* gpio configuration GPK0CON */
25 	gpio_cfg_pin(S5PC100_GPIO_K00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
26 
27 	/* Ethernet needs bus width of 16 bits */
28 	smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
29 	smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
30 			| SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
31 			| SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
32 
33 	/* Select and configure the SROMC bank */
34 	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
35 }
36 
37 int board_init(void)
38 {
39 	smc9115_pre_init();
40 
41 	gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
42 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
43 
44 	return 0;
45 }
46 
47 int dram_init(void)
48 {
49 	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
50 
51 	return 0;
52 }
53 
54 int dram_init_banksize(void)
55 {
56 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
57 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
58 
59 	return 0;
60 }
61 
62 #ifdef CONFIG_DISPLAY_BOARDINFO
63 int checkboard(void)
64 {
65 	printf("Board:\tSMDKC100\n");
66 	return 0;
67 }
68 #endif
69 
70 int board_eth_init(bd_t *bis)
71 {
72 	int rc = 0;
73 #ifdef CONFIG_SMC911X
74 	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
75 #endif
76 	return rc;
77 }
78