Revision as of 15:20, 24 December 2014

APF6 eMMC layout

By default, the 4GB eMMC on APF6 board has 4 physical partitions:

Boot0

Boot1

RPMB

User Data

Name	U-Boot name	Size	Comment
boot0	mmc dev 0 1	2MB	U-Boot is installed on this partition
boot1	mmc dev 0 2	2MB	Not used
rpmb	mmc dev 0 3	512K	Not used
User Data	mmc dev 0 0	remaining space	Kernel, device tree and rootfs

Offset	Comment
0
1 KB	U-Boot SPL (apf6-u-boot.spl)
69 KB	U-Boot IMG (apf6-u-boot.img)
512 KB
1024 KB	U-Boot environment
1536 KB	Redundant U-Boot environment

There are two primary partitions on the User data physical partition.

boot: The kernel and the device tree (inside a dtbs directory) are on this partition.
rootfs: the rootfs is on this partition

@@ Line 5: / Line 5: @@
 {| border="1" cellpadding="10" cellspacing="0" summary="APF6 eMMC partitions"
 |----------------
-|bgcolor="orange" | Boot0 || bgcolor="orange" | Boot1 || bgcolor="red" | RPMB || bgcolor="green" | User Data
+| style="width:80px;background:orange;" align="center" | Boot0
+| style="width:80px;background:orange;" align="center" | Boot1
+| style="background:red;" | RPMB
+| style="width:500px;background:green;color:white;" align="center" | User Data
 |}