blob: 816352176a599ed395c25398fb4cc428cdb6ee20 [file] [log] [blame]
Adriana Kobylak52b23302020-03-28 12:29:31 -05001# short-description: Create an image for eMMC
2# long-description: Creates an eMMC card image for the User Data Area that can
3# be used with the Aspeed SoC family.
4#
5# Assumes a minimum flash size of 16GB.
6# Assumes U-Boot is stored elsewhere, such as an eMMC boot volume or NOR flash.
7#
8# --- - ----- -------- -------- -------- -------- ------ -------- -------
9# |GPT| | env | boot-a | boot-b | rofs-a | rofs-b | rwfs | hostfw |GPT-sec|
10# --- - ----- -------- -------- -------- -------- ------ -------- -------
11# ^ 1MB 64MB 64MB 1GB 1GB 7GB 5GB
12# |
13# 0x5000
14#
15# Primary GPT size (Beginning of image):
16# 512B (Protective MBR) + 512B (Primary Header) + 16KB (Primary Table)
17# First partition (u-boot-env) is 4K-aligned, which puts it at offset 0x5000
18#
19# Secondary GPT size (End of image):
20# 16KB (Secondary Table) + 512B (Secondary Header)
21
22bootloader --ptable gpt
23
24part --align 4 --fixed-size 1M --label u-boot-env
25part --fstype=ext4 --fixed-size 64M --source bootimg-partition --label boot-a
26part --fstype=ext4 --fixed-size 64M --source bootimg-partition --label boot-b
27part --fstype=ext4 --fixed-size 1G --source rootfs --label rofs-a
28part --fstype=ext4 --fixed-size 1G --source rootfs --label rofs-b
29part --fstype=ext4 --fixed-size 7G --label rwfs
30part --fstype=ext4 --fixed-size ${WKS_HOSTFW_SIZE} --label hostfw