LXR uboot/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
  20DECLARE_GLOBAL_DATA_PTR;
  21
  22/*
  23 * Miscellaneous platform dependent initializations
  24 */
  25int 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
  37int 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
  52int 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)
  63int board_eth_init(struct bd_info *bd)
  64{
  65        return ftmac100_initialize(bd);
  66}
  67#endif
  68
  69ulong 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