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 <ahci.h>
  11 #include <scsi.h>
  12 #include <asm/arch/hardware.h>
  13 #include <asm/arch/sys_proto.h>
  14 #include <asm/io.h>
  15 #include <usb.h>
  16 #include <dwc3-uboot.h>
  17
  18 DECLARE_GLOBAL_DATA_PTR;
  19
  20 int board_init(void)
  21 {
  22         printf("EL Level:\tEL%d\n", current_el());
  23
  24         return 0;
  25 }
  26
  27 int board_early_init_r(void)
  28 {
  29         u32 val;
  30
  31         val = readl(&crlapb_base->timestamp_ref_ctrl);
  32         val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
  33         writel(val, &crlapb_base->timestamp_ref_ctrl);
  34
  35         /* Program freq register in System counter and enable system counter */
  36         writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
  37         writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
  38                ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
  39                &iou_scntr->counter_control_register);
  40
  41         return 0;
  42 }
  43
  44 int dram_init(void)
  45 {
  46         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
  47
  48         return 0;
  49 }
  50
  51 int timer_init(void)
  52 {
  53         return 0;
  54 }
  55
  56 void reset_cpu(ulong addr)
  57 {
  58 }
  59
  60 #ifdef CONFIG_SCSI_AHCI_PLAT
  61 void scsi_init(void)
  62 {
  63         ahci_init((void __iomem *)ZYNQMP_SATA_BASEADDR);
  64         scsi_scan(1);
  65 }
  66 #endif
  67
  68 int board_late_init(void)
  69 {
  70         u32 reg = 0;
  71         u8 bootmode;
  72
  73         reg = readl(&crlapb_base->boot_mode);
  74         bootmode = reg & BOOT_MODES_MASK;
  75
  76         switch (bootmode) {
  77         case SD_MODE:
  78         case EMMC_MODE:
  79                 setenv("modeboot", "sdboot");
  80                 break;
  81         default:
  82                 printf("Invalid Boot Mode:0x%x\n", bootmode);
  83                 break;
  84         }
  85
  86         return 0;
  87 }
  88
  89 int checkboard(void)
  90 {
  91         puts("Board:\tXilinx ZynqMP\n");
  92         return 0;
  93 }
  94
  95 #ifdef CONFIG_USB_DWC3
  96 static struct dwc3_device dwc3_device_data = {
  97         .maximum_speed = USB_SPEED_HIGH,
  98         .base = ZYNQMP_USB0_XHCI_BASEADDR,
  99         .dr_mode = USB_DR_MODE_PERIPHERAL,
 100         .index = 0,
 101 };
 102
 103 int usb_gadget_handle_interrupts(void)
 104 {
 105         dwc3_uboot_handle_interrupt(0);
 106         return 0;
 107 }
 108
 109 int board_usb_init(int index, enum usb_init_type init)
 110 {
 111         return dwc3_uboot_init(&dwc3_device_data);
 112 }
 113
 114 int board_usb_cleanup(int index, enum usb_init_type init)
 115 {
 116         dwc3_uboot_exit(index);
 117         return 0;
 118 }
 119 #endif