u-boot/arch/arm/cpu/armv8/fsl-layerscape/spl.c

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/*
* Copyright 2014-2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <asm/io.h>
#include <fsl_ifc.h>
#include <fsl_csu.h>
#include <i2c.h>
DECLARE_GLOBAL_DATA_PTR;
u32 spl_boot_device(void)
{
#ifdef CONFIG_SPL_MMC_SUPPORT
return BOOT_DEVICE_MMC1;
#endif
#ifdef CONFIG_SPL_NAND_SUPPORT
return BOOT_DEVICE_NAND;
#endif
return 0;
}
u32 spl_boot_mode(void)
{
switch (spl_boot_device()) {
case BOOT_DEVICE_MMC1:
#ifdef CONFIG_SPL_FAT_SUPPORT
return MMCSD_MODE_FAT;
#else
return MMCSD_MODE_RAW;
#endif
case BOOT_DEVICE_NAND:
return 0;
default:
puts("spl: error: unsupported device\n");
hang();
}
}
#ifdef CONFIG_SPL_BUILD
void board_init_f(ulong dummy)
{
/* Clear global data */
memset((void *)gd, 0, sizeof(gd_t));
#if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A)
arch_cpu_init();
#endif
#ifdef CONFIG_FSL_IFC
init_early_memctl_regs();
#endif
board_early_init_f();
timer_init();
#if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A)
env_init();
#endif
get_clocks();
preloader_console_init();
#ifdef CONFIG_SPL_I2C_SUPPORT
i2c_init_all();
#endif
dram_init();
/* Clear the BSS */
memset(__bss_start, 0, __bss_end - __bss_start);
#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
enable_layerscape_ns_access();
#endif
board_init_r(NULL, 0);
}
#endif