Revision as of 18:15, 3 January 2015

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

Rootfs

Name	U-Boot device	Linux device	Size	Comment
Boot	mmc dev 0 1		24 MBytes (49152 blocks)	The kernel and the device tree (inside a dtbs/ directory) are on this partition (ext4 formatted)
Rootfs	mmc dev 0 2		Rest of space (<3816448 blocks)	the rootfs is on this partition (ext4 formatted)

@@ Line 54: / Line 54: @@
 |}
-* Boot: The kernel and the device tree (inside a ''dtbs/'' directory) are on this partition (ext4 formatted),
-* Rootfs: the rootfs is on this partition (ext4 formatted).
+{| border="1" cellpadding="5" cellspacing="0" summary="APF6 eMMC User data partitions details"
+|- style="background:#efefef;" align="center"
+!Name || U-Boot device  || Linux device || Size || Comment
+|----------------
+|Boot || mmc dev 0 1 || || 24 MBytes (49152 blocks) || The kernel and the device tree (inside a ''dtbs/'' directory) are on this partition (ext4 formatted)
+|----------------
+|Rootfs || mmc dev 0 2 || || Rest of space (<3816448 blocks) || the rootfs is on this partition (ext4 formatted)
+|----------------
+|}
 ==Links==
 * [http://fr.slideshare.net/linaroorg/intro-to-emmc http://fr.slideshare.net/linaroorg/intro-to-emmc]