diff options
Diffstat (limited to 'board/liebherr/btt/boot_img_scr.h')
| -rw-r--r-- | board/liebherr/btt/boot_img_scr.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/board/liebherr/btt/boot_img_scr.h b/board/liebherr/btt/boot_img_scr.h new file mode 100644 index 00000000000..baa3072b49c --- /dev/null +++ b/board/liebherr/btt/boot_img_scr.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Struct for boot image source description for placing in last + * two SPI NOR flash sectors on legcom. + */ + +struct boot_img_src { + u8 magic; /* Must be 'B' = 0x42 */ + u8 flags; /* flags to specify mmcblk[0|1] boot[0|1] */ + u8 crc8; /* CRC-8 over above two bytes */ +} __packed; + +/* + * Bit definition in boot_img_src.flags: + * Bit 0: mmcblk device 0 or 1 (1 - if this bit set) + * Bit 1: mmcblk boot partition 0 or 1. + * for eMMC: boot0 if this bit is cleared, boot1 - if set + * for SD-card the boot partition value will always be 0 + * (independent of the value of this bit) + * + */ +#define BOOT_SRC_MMC1 BIT(0) +#define BOOT_SRC_PART1 BIT(1) + +/* Offset of the first boot image source descriptor in SPI NOR */ +#define SPI_FLASH_BOOT_SRC_OFFS 0xFE0000 +#define SPI_FLASH_SECTOR_SIZE 0x10000 |