106 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
 | |
| /*
 | |
|  * (C) Copyright 2013
 | |
|  * Texas Instruments, <www.ti.com>
 | |
|  *
 | |
|  * Dan Murphy <dmurphy@ti.com>
 | |
|  *
 | |
|  * Derived work from spl_usb.c
 | |
|  */
 | |
| 
 | |
| #include <common.h>
 | |
| #include <spl.h>
 | |
| #include <asm/u-boot.h>
 | |
| #include <sata.h>
 | |
| #include <scsi.h>
 | |
| #include <errno.h>
 | |
| #include <fat.h>
 | |
| #include <image.h>
 | |
| 
 | |
| #ifndef CONFIG_SYS_SATA_FAT_BOOT_PARTITION
 | |
| #define CONFIG_SYS_SATA_FAT_BOOT_PARTITION	1
 | |
| #endif
 | |
| 
 | |
| #ifndef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME
 | |
| #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
 | |
| #endif
 | |
| 
 | |
| #ifndef CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR
 | |
| /* Dummy value to make the compiler happy */
 | |
| #define CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR 0x100
 | |
| #endif
 | |
| 
 | |
| static int spl_sata_load_image_raw(struct spl_image_info *spl_image,
 | |
| 		struct blk_desc *stor_dev, unsigned long sector)
 | |
| {
 | |
| 	struct image_header *header;
 | |
| 	unsigned long count;
 | |
| 	u32 image_size_sectors;
 | |
| 	int ret;
 | |
| 
 | |
| 	header = spl_get_load_buffer(-sizeof(*header), stor_dev->blksz);
 | |
| 	count = blk_dread(stor_dev, sector, 1, header);
 | |
| 	if (count == 0)
 | |
| 		return -EIO;
 | |
| 
 | |
| 	ret = spl_parse_image_header(spl_image, header);
 | |
| 	if (ret)
 | |
| 		return ret;
 | |
| 
 | |
| 	image_size_sectors = DIV_ROUND_UP(spl_image->size, stor_dev->blksz);
 | |
| 	count = blk_dread(stor_dev, sector, image_size_sectors,
 | |
| 			(void *)spl_image->load_addr);
 | |
| 	if (count != image_size_sectors)
 | |
| 		return -EIO;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int spl_sata_load_image(struct spl_image_info *spl_image,
 | |
| 			       struct spl_boot_device *bootdev)
 | |
| {
 | |
| 	int err = 0;
 | |
| 	struct blk_desc *stor_dev;
 | |
| 
 | |
| #if !defined(CONFIG_DM_SCSI) && !defined(CONFIG_AHCI)
 | |
| 	err = init_sata(CONFIG_SPL_SATA_BOOT_DEVICE);
 | |
| #endif
 | |
| 	if (err) {
 | |
| #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
 | |
| 		printf("spl: sata init failed: err - %d\n", err);
 | |
| #endif
 | |
| 		return err;
 | |
| 	} else {
 | |
| 		/* try to recognize storage devices immediately */
 | |
| 		scsi_scan(false);
 | |
| 		stor_dev = blk_get_devnum_by_type(IF_TYPE_SCSI, 0);
 | |
| 		if (!stor_dev)
 | |
| 			return -ENODEV;
 | |
| 	}
 | |
| 
 | |
| #ifdef CONFIG_SPL_OS_BOOT
 | |
| 	if (spl_start_uboot() ||
 | |
| 	    spl_load_image_fat_os(spl_image, stor_dev,
 | |
| 				  CONFIG_SYS_SATA_FAT_BOOT_PARTITION))
 | |
| #endif
 | |
| 	{
 | |
| 		err = -ENOSYS;
 | |
| 
 | |
| 		if (IS_ENABLED(CONFIG_SPL_FS_FAT)) {
 | |
| 			err = spl_load_image_fat(spl_image, stor_dev,
 | |
| 					CONFIG_SYS_SATA_FAT_BOOT_PARTITION,
 | |
| 					CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
 | |
| 		} else if (IS_ENABLED(CONFIG_SPL_SATA_RAW_U_BOOT_USE_SECTOR)) {
 | |
| 			err = spl_sata_load_image_raw(spl_image, stor_dev,
 | |
| 				CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR);
 | |
| 		}
 | |
| 	}
 | |
| 	if (err) {
 | |
| 		puts("Error loading sata device\n");
 | |
| 		return err;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| SPL_LOAD_IMAGE_METHOD("SATA", 0, BOOT_DEVICE_SATA, spl_sata_load_image);
 |