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