[U-Boot-Users] Increasing U-Boot partition size

Scott Wood scottwood at freescale.com
Mon Aug 4 19:56:19 CEST 2008


On Fri, Aug 01, 2008 at 12:16:13PM -0500, Jatin Sharma wrote:
> I have to increase u-boot's partition size on my board to make room
> for an application to be compiled as part of u-boot binary. I am
> currently running u-boot version "1.3.1-rc1" and my current NOR
> partition is as follows:
> 
> Partition                          Address
> --------------------------------      ----------------
> /dev/mtd0 -RCW, 64k       0xFF800000
> /dev/mtd1 Kernel 2M        0xFF810000
> /dev/mtd2 cramfs 4.8M     0xFFA10000
> /dev/mtd3 U-Boot 384K     0xFFF00000
> /dev/mtd4 Env 64K           0xFFF60000
> /dev/mtd5 EnvB 64K         0xFFF70000
> /dev/mtd6 DTB 64K          0xFFF90000
> 
> I have updated to Flattened Device Tree to reflect the new partition
> as follows. Also, I have updated the TEXT_BASE to 0xFFE60000 in the
> config.mk under board/<my board> directory.
> 
> Partition                          Address
> --------------------------------      ----------------
> /dev/mtd0 -RCW, 64k       0xFF800000
> /dev/mtd1 Kernel 2M        0xFF810000
> /dev/mtd2 cramfs 4.3M     0xFFA10000
> /dev/mtd3 U-Boot 1M       0xFFE60000
> /dev/mtd4 Env 64K           0xFFF60000
> /dev/mtd5 EnvB 64K         0xFFF70000
> /dev/mtd6 DTB 64K          0xFFF90000
> 
> U-Boot binary with the updated FDT doesn't boot.

You changed the address where u-boot starts.  Does the CPU know about
this when it branches to the boot vector?

-Scott




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