1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2011 Andes Technology Corporation
4  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
5  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
6  */
7 
8 #include <asm/mach-types.h>
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 <faraday/ftsmc020.h>
15 
16 DECLARE_GLOBAL_DATA_PTR;
17 
18 /*
19  * Miscellaneous platform dependent initializations
20  */
21 int board_init(void)
22 {
23 	/*
24 	 * refer to BOOT_PARAMETER_PA_BASE within
25 	 * "linux/arch/nds32/include/asm/misc_spec.h"
26 	 */
27 	printf("Board: %s\n" , CONFIG_SYS_BOARD);
28 	gd->bd->bi_arch_number = MACH_TYPE_ADPAE3XX;
29 	gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
30 	return 0;
31 }
32 
33 int dram_init(void)
34 {
35 	unsigned long sdram_base = PHYS_SDRAM_0;
36 	unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
37 	unsigned long actual_size;
38 	actual_size = get_ram_size((void *)sdram_base, expected_size);
39 	gd->ram_size = actual_size;
40 	if (expected_size != actual_size) {
41 		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
42 				actual_size >> 20, expected_size >> 20);
43 	}
44 
45 	return 0;
46 }
47 
48 int dram_init_banksize(void)
49 {
50 	gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
51 	gd->bd->bi_dram[0].size =  PHYS_SDRAM_0_SIZE;
52 	gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
53 	gd->bd->bi_dram[1].size =  PHYS_SDRAM_1_SIZE;
54 
55 	return 0;
56 }
57 
58 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
59 int board_eth_init(bd_t *bd)
60 {
61 	return ftmac100_initialize(bd);
62 }
63 #endif
64 
65 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
66 {
67 	if (banknum == 0) {	/* non-CFI boot flash */
68 		info->portwidth = FLASH_CFI_8BIT;
69 		info->chipwidth = FLASH_CFI_BY8;
70 		info->interface = FLASH_CFI_X8;
71 		return 1;
72 	} else {
73 		return 0;
74 	}
75 }
76