board/AndesTech/adp-ae3xx/adp-ae3xx.c

   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  */
  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
  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
  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)
  63 int board_eth_init(struct bd_info *bd)
  64 {
  65         return ftmac100_initialize(bd);
  66 }
  67 #endif
  68
  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 }