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 <init.h>
9 #include <net.h>
10 #include <asm/global_data.h>
11 #include <asm/mach-types.h>
12 #include <common.h>
13 #include <flash.h>
14 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
15 #include <netdev.h>
16 #endif
17 #include <linux/io.h>
18 #include <faraday/ftsmc020.h>
19
20 DECLARE_GLOBAL_DATA_PTR;
21
22 /*
23 * Miscellaneous platform dependent initializations
24 */
board_init(void)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_ADPAE3XX;
33 gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
34 return 0;
35 }
36
dram_init(void)37 int dram_init(void)
38 {
39 unsigned long sdram_base = PHYS_SDRAM_0;
40 unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
41 unsigned long actual_size;
42 actual_size = get_ram_size((void *)sdram_base, expected_size);
43 gd->ram_size = actual_size;
44 if (expected_size != actual_size) {
45 printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
46 actual_size >> 20, expected_size >> 20);
47 }
48
49 return 0;
50 }
51
dram_init_banksize(void)52 int dram_init_banksize(void)
53 {
54 gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
55 gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
56 gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
57 gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
58
59 return 0;
60 }
61
62 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
board_eth_init(struct bd_info * bd)63 int board_eth_init(struct bd_info *bd)
64 {
65 return ftmac100_initialize(bd);
66 }
67 #endif
68
board_flash_get_legacy(ulong base,int banknum,flash_info_t * info)69 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
70 {
71 if (banknum == 0) { /* non-CFI boot flash */
72 info->portwidth = FLASH_CFI_8BIT;
73 info->chipwidth = FLASH_CFI_BY8;
74 info->interface = FLASH_CFI_X8;
75 return 1;
76 } else {
77 return 0;
78 }
79 }
80