Revision as of 15:23, 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	2MBytes	U-Boot is installed on this partition
boot1	mmc dev 0 2	2MBytes	Not used
rpmb	mmc dev 0 3	512KBytes	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 13: / Line 13: @@
 {| border="1" cellpadding="5" cellspacing="0" summary="APF6 eMMC partitions details"
-|----------------
+|- style="background:#efefef;" align="center"
 !Name || U-Boot name || Size || Comment
 |----------------
-|boot0 || mmc dev 0 1 || 2MB || U-Boot is installed on this partition
+|boot0 || mmc dev 0 1 || 2MBytes || U-Boot is installed on this partition
 |----------------
-|boot1 || mmc dev 0 2 || 2MB || Not used
+|boot1 || mmc dev 0 2 || 2MBytes || Not used
 |----------------
-|rpmb || mmc dev 0 3 || 512K || Not used
+|rpmb || mmc dev 0 3 || 512KBytes || Not used
 |----------------
 |User Data || mmc dev 0 0 || remaining space || Kernel, device tree and rootfs
@@ Line 29: / Line 29: @@
 == Boot0 partition layout ==
 {| border="1" cellpadding="5" cellspacing="0" summary="Functionnalities test results"
-|----------------
+|- style="background:#efefef;" align="center"
 ! Offset || Comment
 |----------------