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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) Aspeed Technology Inc.
*/
#include <common.h>
#include <debug_uart.h>
#include <dm.h>
#include <spl.h>
#include <init.h>
#include <linux/err.h>
#include <asm/io.h>
#include <asm/arch/scu_ast2600.h>
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
void board_init_f(ulong dummy)
{
spl_early_init();
preloader_console_init();
timer_init();
dram_init();
}
/*
* Try to detect the boot mode. Fallback to the default,
* memory mapped SPI XIP booting if detection failed.
*/
u32 spl_boot_device(void)
{
int rc;
struct udevice *scu_dev;
struct ast2600_scu *scu;
rc = uclass_get_device_by_driver(UCLASS_CLK,
DM_DRIVER_GET(aspeed_ast2600_scu), &scu_dev);
if (rc) {
debug("%s: failed to get SCU driver\n", __func__);
goto out;
}
scu = devfdt_get_addr_ptr(scu_dev);
if (IS_ERR_OR_NULL(scu)) {
debug("%s: failed to get SCU base\n", __func__);
goto out;
}
/* boot from UART has higher priority */
if (scu->hwstrap2 & SCU_HWSTRAP2_BOOT_UART)
return BOOT_DEVICE_UART;
if (scu->hwstrap1 & SCU_HWSTRAP1_BOOT_EMMC)
return BOOT_DEVICE_MMC1;
out:
return BOOT_DEVICE_RAM;
}
struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
{
return (struct image_header *)(CONFIG_SYS_LOAD_ADDR);
}
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
/* boot linux */
return 0;
}
#endif
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
/* just empty function now - can't decide what to choose */
debug("%s: %s\n", __func__, name);
return 0;
}
#endif
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