powerpc/85xx: Reserve a partition of NOR flash for QE ucode firmware
authorJiucheng Xu <Jiucheng.Xu@freescale.com>
Tue, 26 Feb 2013 02:33:36 +0000 (10:33 +0800)
committerKumar Gala <galak@kernel.crashing.org>
Tue, 12 Mar 2013 21:00:07 +0000 (16:00 -0500)
Due to the partition of JFFS2 overlaps with QE ucode firmware, So JFFS2
will break QE ucode. Shrink JFFS2's partition to reserve the space of
QE ucode firmware.

Signed-off-by: Jiucheng Xu <Jiucheng.Xu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/boot/dts/p1021rdb-pc.dtsi

index c13abfbbe2e2fc20a44756a7cf43c2313527ebfb..d6274c58f496b6eb79d0bfb3c040c627af5d3952 100644 (file)
                };
 
                partition@400000 {
-                       /* 11MB for JFFS2 based Root file System */
-                       reg = <0x00400000 0x00b00000>;
+                       /* 10.75MB for JFFS2 based Root file System */
+                       reg = <0x00400000 0x00ac0000>;
                        label = "NOR JFFS2 Root File System";
                };
 
+               partition@ec0000 {
+                       /* This location must not be altered  */
+                       /* 256KB for QE ucode firmware*/
+                       reg = <0x00ec0000 0x00040000>;
+                       label = "NOR QE microcode firmware";
+                       read-only;
+               };
+
                partition@f00000 {
                        /* This location must not be altered  */
                        /* 512KB for u-boot Bootloader Image */