LXR uboot/arch/arm/mach-zynq/spl.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2014 - 2017 Xilinx, Inc. Michal Simek
   4 */
   5#include <common.h>
   6#include <debug_uart.h>
   7#include <spl.h>
   8
   9#include <asm/io.h>
  10#include <asm/spl.h>
  11#include <asm/arch/hardware.h>
  12#include <asm/arch/sys_proto.h>
  13#include <asm/arch/ps7_init_gpl.h>
  14
  15void board_init_f(ulong dummy)
  16{
  17        ps7_init();
  18
  19        arch_cpu_init();
  20
  21#ifdef CONFIG_DEBUG_UART
  22        /* Uart debug for sure */
  23        debug_uart_init();
  24        puts("Debug uart enabled\n"); /* or printch() */
  25#endif
  26}
  27
  28#ifdef CONFIG_SPL_BOARD_INIT
  29void spl_board_init(void)
  30{
  31        preloader_console_init();
  32#if defined(CONFIG_ARCH_EARLY_INIT_R) && defined(CONFIG_SPL_FPGA_SUPPORT)
  33        arch_early_init_r();
  34#endif
  35        board_init();
  36}
  37#endif
  38
  39u32 spl_boot_device(void)
  40{
  41        u32 mode;
  42
  43        switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
  44#ifdef CONFIG_SPL_SPI_SUPPORT
  45        case ZYNQ_BM_QSPI:
  46                puts("qspi boot\n");
  47                mode = BOOT_DEVICE_SPI;
  48                break;
  49#endif
  50        case ZYNQ_BM_NAND:
  51                mode = BOOT_DEVICE_NAND;
  52                break;
  53        case ZYNQ_BM_NOR:
  54                mode = BOOT_DEVICE_NOR;
  55                break;
  56#ifdef CONFIG_SPL_MMC_SUPPORT
  57        case ZYNQ_BM_SD:
  58                puts("mmc boot\n");
  59                mode = BOOT_DEVICE_MMC1;
  60                break;
  61#endif
  62        case ZYNQ_BM_JTAG:
  63                mode = BOOT_DEVICE_RAM;
  64                break;
  65        default:
  66                puts("Unsupported boot mode selected\n");
  67                hang();
  68        }
  69
  70        return mode;
  71}
  72
  73#ifdef CONFIG_SPL_OS_BOOT
  74int spl_start_uboot(void)
  75{
  76        /* boot linux */
  77        return 0;
  78}
  79#endif
  80
  81void spl_board_prepare_for_boot(void)
  82{
  83        ps7_post_config();
  84        debug("SPL bye\n");
  85}
  86
  87#ifdef CONFIG_SPL_LOAD_FIT
  88int board_fit_config_name_match(const char *name)
  89{
  90        /* Just empty function now - can't decide what to choose */
  91        debug("%s: %s\n", __func__, name);
  92
  93        return 0;
  94}
  95#endif
  96