board/AndesTech/ax25-ae350/ax25-ae350.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2017 Andes Technology Corporation
   4  * Rick Chen, Andes Technology Corporation <rick@andestech.com>
   5  */
   6
   7 #include <common.h>
   8 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
   9 #include <netdev.h>
  10 #endif
  11 #include <linux/io.h>
  12 #include <faraday/ftsmc020.h>
  13 #include <fdtdec.h>
  14 #include <dm.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 extern phys_addr_t prior_stage_fdt_address;
  19 /*
  20  * Miscellaneous platform dependent initializations
  21  */
  22
  23 int board_init(void)
  24 {
  25         gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
  26
  27         return 0;
  28 }
  29
  30 int dram_init(void)
  31 {
  32         unsigned long sdram_base = PHYS_SDRAM_0;
  33         unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
  34         unsigned long actual_size;
  35
  36         actual_size = get_ram_size((void *)sdram_base, expected_size);
  37         gd->ram_size = actual_size;
  38
  39         if (expected_size != actual_size) {
  40                 printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
  41                         actual_size >> 20, expected_size >> 20);
  42         }
  43
  44         return 0;
  45 }
  46
  47 int dram_init_banksize(void)
  48 {
  49         gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
  50         gd->bd->bi_dram[0].size =  PHYS_SDRAM_0_SIZE;
  51         gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
  52         gd->bd->bi_dram[1].size =  PHYS_SDRAM_1_SIZE;
  53
  54         return 0;
  55 }
  56
  57 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
  58 int board_eth_init(bd_t *bd)
  59 {
  60         return ftmac100_initialize(bd);
  61 }
  62 #endif
  63
  64 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
  65 {
  66         return 0;
  67 }
  68
  69 void *board_fdt_blob_setup(void)
  70 {
  71         return (void *)CONFIG_SYS_FDT_BASE;
  72 }
  73
  74 int smc_init(void)
  75 {
  76         int node = -1;
  77         const char *compat = "andestech,atfsmc020";
  78         void *blob = (void *)gd->fdt_blob;
  79         fdt_addr_t addr;
  80         struct ftsmc020_bank *regs;
  81
  82         node = fdt_node_offset_by_compatible(blob, -1, compat);
  83         if (node < 0)
  84                 return -FDT_ERR_NOTFOUND;
  85
  86         addr = fdtdec_get_addr(blob, node, "reg");
  87
  88         if (addr == FDT_ADDR_T_NONE)
  89                 return -EINVAL;
  90
  91         regs = (struct ftsmc020_bank *)addr;
  92         regs->cr &= ~FTSMC020_BANK_WPROT;
  93
  94         return 0;
  95 }
  96
  97 static void v5l2_init(void)
  98 {
  99         struct udevice *dev;
 100
 101         uclass_get_device(UCLASS_CACHE, 0, &dev);
 102 }
 103
 104 #ifdef CONFIG_BOARD_EARLY_INIT_F
 105 int board_early_init_f(void)
 106 {
 107         smc_init();
 108         v5l2_init();
 109
 110         return 0;
 111 }
 112 #endif