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