[U-Boot] [U-Boot, 2/8, v2] powerpc/mpc85xx: modify the functionality clear_bss and aligning the end address of the BSS

[Andy Fleming]

On Fri, Jun 07, 2013 at 05:25:16PM +0800, ying.zhang at freescale.com wrote:
> From: Ying Zhang <b40530 at freescale.com>
> 
> There will clear the BSS in the function clear_bss(), the reset address of
> the BSS started from the __bss_start, and increased by four-byte increments,
> finally stoped depending on the address is equal to the _bss_end. If the end
> address __bss_end is not alignment to 4byte, it will be an infinite loop.
> 
> 1. The reset action stoped depending on the reset address is greater
> than or equal the end address of the BSS.
> 2. The end address of the BSS should be 4byte aligned. Because the reset unit
> is 4 Bytes.
> 
> This patch is on top of the patch "powerpc/mpc85xx: support application
> without resetvec segment in the linker script".
> 
> Signed-off-by: Ying Zhang <b40530 at freescale.com>

Applied, thanks!

Andy