1 /*
2  * Copyright (C) 2011 Andes Technology Corporation
3  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
4  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
11 #include <netdev.h>
12 #endif
13 #include <linux/io.h>
14 #include <asm/io.h>
15 #include <asm/mach-types.h>
16 
17 #include <faraday/ftsmc020.h>
18 
19 DECLARE_GLOBAL_DATA_PTR;
20 
21 /*
22  * Miscellaneous platform dependent initializations
23  */
24 
25 int board_init(void)
26 {
27 	/*
28 	 * refer to BOOT_PARAMETER_PA_BASE within
29 	 * "linux/arch/nds32/include/asm/misc_spec.h"
30 	 */
31 	printf("Board: %s\n" , CONFIG_SYS_BOARD);
32 	gd->bd->bi_arch_number = MACH_TYPE_ADPAG101P;
33 	gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
34 
35 	return 0;
36 }
37 
38 int dram_init(void)
39 {
40 	unsigned long sdram_base = PHYS_SDRAM_0;
41 	unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
42 	unsigned long actual_size;
43 
44 	actual_size = get_ram_size((void *)sdram_base, expected_size);
45 
46 	gd->ram_size = actual_size;
47 
48 	if (expected_size != actual_size) {
49 		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
50 				actual_size >> 20, expected_size >> 20);
51 	}
52 
53 	return 0;
54 }
55 
56 int dram_init_banksize(void)
57 {
58 	gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
59 	gd->bd->bi_dram[0].size =  PHYS_SDRAM_0_SIZE;
60 	gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
61 	gd->bd->bi_dram[1].size =  PHYS_SDRAM_1_SIZE;
62 
63 	return 0;
64 }
65 
66 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
67 int board_eth_init(bd_t *bd)
68 {
69 	return ftmac100_initialize(bd);
70 }
71 #endif
72 
73 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
74 {
75 	if (banknum == 0) {	/* non-CFI boot flash */
76 		info->portwidth = FLASH_CFI_8BIT;
77 		info->chipwidth = FLASH_CFI_BY8;
78 		info->interface = FLASH_CFI_X8;
79 		return 1;
80 	} else {
81 		return 0;
82 	}
83 }
84