80 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| // 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
 |