board/xilinx/zynqmp/zynqmp.c

   1 /*
   2  * (C) Copyright 2014 - 2015 Xilinx, Inc.
   3  * Michal Simek <michal.simek@xilinx.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <netdev.h>
  10 #include <asm/arch/hardware.h>
  11 #include <asm/arch/sys_proto.h>
  12 #include <asm/io.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 int board_init(void)
  17 {
  18         return 0;
  19 }
  20
  21 int board_early_init_r(void)
  22 {
  23         u32 val;
  24
  25         val = readl(&crlapb_base->timestamp_ref_ctrl);
  26         val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
  27         writel(val, &crlapb_base->timestamp_ref_ctrl);
  28
  29         /* Program freq register in System counter and enable system counter */
  30         writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
  31         writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
  32                ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
  33                &iou_scntr->counter_control_register);
  34
  35         return 0;
  36 }
  37
  38 int dram_init(void)
  39 {
  40         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
  41
  42         return 0;
  43 }
  44
  45 int timer_init(void)
  46 {
  47         return 0;
  48 }
  49
  50 void reset_cpu(ulong addr)
  51 {
  52 }
  53
  54 #ifdef CONFIG_CMD_MMC
  55 int board_mmc_init(bd_t *bd)
  56 {
  57         int ret = 0;
  58
  59 #if defined(CONFIG_ZYNQ_SDHCI)
  60 # if defined(CONFIG_ZYNQ_SDHCI0)
  61         ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
  62 # endif
  63 # if defined(CONFIG_ZYNQ_SDHCI1)
  64         ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
  65 # endif
  66 #endif
  67
  68         return ret;
  69 }
  70 #endif
  71
  72 int board_late_init(void)
  73 {
  74         u32 reg = 0;
  75         u8 bootmode;
  76
  77         reg = readl(&crlapb_base->boot_mode);
  78         bootmode = reg & BOOT_MODES_MASK;
  79
  80         switch (bootmode) {
  81         case SD_MODE:
  82                 setenv("modeboot", "sdboot");
  83                 break;
  84         default:
  85                 printf("Invalid Boot Mode:0x%x\n", bootmode);
  86                 break;
  87         }
  88
  89         return 0;
  90 }