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

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/*
* (C) Copyright 2014 Xilinx, Inc. Michal Simek
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/spl.h>
#include <asm/arch/sys_proto.h>
DECLARE_GLOBAL_DATA_PTR;
void board_init_f(ulong dummy)
{
ps7_init();
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
preloader_console_init();
arch_cpu_init();
board_init_r(NULL, 0);
}
#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void)
{
board_init();
}
#endif
u32 spl_boot_device(void)
{
u32 mode;
switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
#ifdef CONFIG_SPL_SPI_SUPPORT
case ZYNQ_BM_QSPI:
puts("qspi boot\n");
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_SUPPORT
case ZYNQ_BM_SD:
puts("mmc boot\n");
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_MMC_SUPPORT
u32 spl_boot_mode(void)
{
return MMCSD_MODE_FS;
}
#endif
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
/* boot linux */
return 0;
}
#endif
__weak void ps7_init(void)
{
/*
* This function is overridden by the one in
* board/xilinx/zynq/ps7_init_gpl.c, if it exists.
*/
}