xref: /OK3568_Linux_fs/u-boot/common/spl/spl_sata.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2013
3*4882a593Smuzhiyun  * Texas Instruments, <www.ti.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Dan Murphy <dmurphy@ti.com>
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * Derived work from spl_usb.c
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <common.h>
13*4882a593Smuzhiyun #include <spl.h>
14*4882a593Smuzhiyun #include <asm/u-boot.h>
15*4882a593Smuzhiyun #include <sata.h>
16*4882a593Smuzhiyun #include <scsi.h>
17*4882a593Smuzhiyun #include <errno.h>
18*4882a593Smuzhiyun #include <fat.h>
19*4882a593Smuzhiyun #include <image.h>
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
22*4882a593Smuzhiyun 
spl_sata_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)23*4882a593Smuzhiyun static int spl_sata_load_image(struct spl_image_info *spl_image,
24*4882a593Smuzhiyun 			       struct spl_boot_device *bootdev)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun 	int err;
27*4882a593Smuzhiyun 	struct blk_desc *stor_dev;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	err = init_sata(CONFIG_SPL_SATA_BOOT_DEVICE);
30*4882a593Smuzhiyun 	if (err) {
31*4882a593Smuzhiyun #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
32*4882a593Smuzhiyun 		printf("spl: sata init failed: err - %d\n", err);
33*4882a593Smuzhiyun #endif
34*4882a593Smuzhiyun 		return err;
35*4882a593Smuzhiyun 	} else {
36*4882a593Smuzhiyun 		/* try to recognize storage devices immediately */
37*4882a593Smuzhiyun 		scsi_scan(false);
38*4882a593Smuzhiyun 		stor_dev = blk_get_devnum_by_type(IF_TYPE_SCSI, 0);
39*4882a593Smuzhiyun 		if (!stor_dev)
40*4882a593Smuzhiyun 			return -ENODEV;
41*4882a593Smuzhiyun 	}
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun #ifdef CONFIG_SPL_OS_BOOT
44*4882a593Smuzhiyun 	if (spl_start_uboot() ||
45*4882a593Smuzhiyun 	    spl_load_image_fat_os(spl_image, stor_dev,
46*4882a593Smuzhiyun 				  CONFIG_SYS_SATA_FAT_BOOT_PARTITION))
47*4882a593Smuzhiyun #endif
48*4882a593Smuzhiyun 	{
49*4882a593Smuzhiyun 		err = spl_load_image_fat(spl_image, stor_dev,
50*4882a593Smuzhiyun 					CONFIG_SYS_SATA_FAT_BOOT_PARTITION,
51*4882a593Smuzhiyun 				CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
52*4882a593Smuzhiyun 	}
53*4882a593Smuzhiyun 	if (err) {
54*4882a593Smuzhiyun 		puts("Error loading sata device\n");
55*4882a593Smuzhiyun 		return err;
56*4882a593Smuzhiyun 	}
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun 	return 0;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun SPL_LOAD_IMAGE_METHOD("SATA", 0, BOOT_DEVICE_SATA, spl_sata_load_image);
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