u-boot/arch/arm/mach-zynq/spl.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2014 - 2017 Xilinx, Inc. Michal Simek
*/
#include <common.h>
#include <debug_uart.h>
#include <hang.h>
#include <image.h>
#include <init.h>
#include <log.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/spl.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/ps7_init_gpl.h>
#if defined(CONFIG_DEBUG_UART_BOARD_INIT)
void board_debug_uart_init(void)
{
ps7_init();
}
#endif
void board_init_f(ulong dummy)
{
#if !defined(CONFIG_DEBUG_UART_BOARD_INIT)
ps7_init();
#endif
arch_cpu_init();
}
#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void)
{
preloader_console_init();
#if defined(CONFIG_ARCH_EARLY_INIT_R) && defined(CONFIG_SPL_FPGA)
arch_early_init_r();
#endif
board_init();
}
#endif
u32 spl_boot_device(void)
{
u32 mode;
switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
#ifdef CONFIG_SPL_SPI
case ZYNQ_BM_QSPI:
mode = BOOT_DEVICE_SPI;
break;
#endif
case ZYNQ_BM_NAND:
mode = BOOT_DEVICE_NAND;
break;
case ZYNQ_BM_NOR:
mode = BOOT_DEVICE_NOR;
break;
#ifdef CONFIG_SPL_MMC
case ZYNQ_BM_SD:
mode = BOOT_DEVICE_MMC1;
break;
#endif
case ZYNQ_BM_JTAG:
mode = BOOT_DEVICE_RAM;
break;
default:
puts("Unsupported boot mode selected\n");
hang();
}
return mode;
}
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
/* boot linux */
return 0;
}
#endif
void spl_board_prepare_for_boot(void)
{
ps7_post_config();
debug("SPL bye\n");
}