board/xilinx/zynq/board.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
   4  * (C) Copyright 2013 - 2018 Xilinx, Inc.
   5  */
   6
   7 #include <common.h>
   8 #include <dm/uclass.h>
   9 #include <fdtdec.h>
  10 #include <fpga.h>
  11 #include <malloc.h>
  12 #include <mmc.h>
  13 #include <watchdog.h>
  14 #include <wdt.h>
  15 #include <zynqpl.h>
  16 #include <asm/arch/hardware.h>
  17 #include <asm/arch/sys_proto.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_BOARD_EARLY_INIT_F)
  22 int board_early_init_f(void)
  23 {
  24         return 0;
  25 }
  26 #endif
  27
  28 int board_init(void)
  29 {
  30         return 0;
  31 }
  32
  33 int board_late_init(void)
  34 {
  35         int env_targets_len = 0;
  36         const char *mode;
  37         char *new_targets;
  38         char *env_targets;
  39
  40         switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
  41         case ZYNQ_BM_QSPI:
  42                 mode = "qspi";
  43                 env_set("modeboot", "qspiboot");
  44                 break;
  45         case ZYNQ_BM_NAND:
  46                 mode = "nand";
  47                 env_set("modeboot", "nandboot");
  48                 break;
  49         case ZYNQ_BM_NOR:
  50                 mode = "nor";
  51                 env_set("modeboot", "norboot");
  52                 break;
  53         case ZYNQ_BM_SD:
  54                 mode = "mmc";
  55                 env_set("modeboot", "sdboot");
  56                 break;
  57         case ZYNQ_BM_JTAG:
  58                 mode = "pxe dhcp";
  59                 env_set("modeboot", "jtagboot");
  60                 break;
  61         default:
  62                 mode = "";
  63                 env_set("modeboot", "");
  64                 break;
  65         }
  66
  67         /*
  68          * One terminating char + one byte for space between mode
  69          * and default boot_targets
  70          */
  71         env_targets = env_get("boot_targets");
  72         if (env_targets)
  73                 env_targets_len = strlen(env_targets);
  74
  75         new_targets = calloc(1, strlen(mode) + env_targets_len + 2);
  76         if (!new_targets)
  77                 return -ENOMEM;
  78
  79         sprintf(new_targets, "%s %s", mode,
  80                 env_targets ? env_targets : "");
  81
  82         env_set("boot_targets", new_targets);
  83
  84         return 0;
  85 }
  86
  87 #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
  88 int dram_init_banksize(void)
  89 {
  90         return fdtdec_setup_memory_banksize();
  91 }
  92
  93 int dram_init(void)
  94 {
  95         if (fdtdec_setup_mem_size_base() != 0)
  96                 return -EINVAL;
  97
  98         zynq_ddrc_init();
  99
 100         return 0;
 101 }
 102 #else
 103 int dram_init(void)
 104 {
 105         gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
 106                                     CONFIG_SYS_SDRAM_SIZE);
 107
 108         zynq_ddrc_init();
 109
 110         return 0;
 111 }
 112 #endif