common/spl/spl_sata.c

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