[U-Boot] [PATCH 2/3] iMX31: Add support to copy NAND Flash code to RAM

Scott Wood scottwood at freescale.com
Tue Oct 7 20:03:42 CEST 2008


Alan Carvalho de Assis wrote:
> From 473120de8390abd78014cac9fe0925cb49f57fbe Mon Sep 17 00:00:00 2001
> From: Alan Carvalho de Assis <alan.assis at freescale.com>
> Date: Sun, 5 Oct 2008 19:59:47 -0300
> Subject: [PATCH] iMX31: Add support to copy NAND Flash code to RAM
> 
> This code is executed from internal 2KB NAND Flash Controller RAM buffer
> and will copy the remaining U-Boot code from NAND Flash verifying its
> bad blocks (case it exists).
> 
> Signed-off-by: Alan Carvalho de Assis <alan.assis at freescale.com>
> ---
>  cpu/arm1136/mx31/Makefile             |    2 +
>  cpu/arm1136/mx31/nand_copy.S          |  263 +++++++++++++++++++++++++++++++++
>  include/asm-arm/arch-mx31/mx31-regs.h |   69 +++++++++

Please use the nand_spl infrastructure to whatever extent is practical.

Does this code really need to be in assembly to fit?

-Scott


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