Thanks, Scott.
-Shawn
> Date: Mon, 8 Aug 2011 15:42:38 -0500
> From: scottw...@freescale.com
> To: programas...@hotmail.com
> CC: u-boot@lists.denx.de
> Subject: Re: [U-Boot] problem with mpc837x start.S
>
> On 08/04/2011 06:3
On 08/04/2011 06:37 AM, shawn Bai wrote:
> When enlarging Nor Flash to 4GiB, the AM in OR0 is 0x_0, where the number
> of zero is 17.
>
> According to what is said in datasheet, if the bit value of some bit in
> address mask is 0,
> then the corresponding bit in address will be masked.
>
> From: programas...@hotmail.com
> To: scottw...@freescale.com
> CC: u-boot@lists.denx.de
> Subject: RE: [U-Boot] problem with mpc837x start.S
> Date: Thu, 4 Aug 2011 11:37:02 +
>
>
>
>
>
> > Date: Wed, 3 Aug
> Date: Wed, 3 Aug 2011 10:48:39 -0500
> From: scottw...@freescale.com
> To: programas...@hotmail.com
> CC: u-boot@lists.denx.de
> Subject: Re: [U-Boot] problem with mpc837x start.S
>
> On Wed, 3 Aug 2011 00:48:32 +00
On Wed, 3 Aug 2011 00:48:32 +
shawn Bai wrote:
>
>
>
>
> > Date: Tue, 2 Aug 2011 10:21:09 -0500
> > From: scottw...@freescale.com
> > To: programas...@hotmail.com
> > CC: u-boot@lists.denx.de
> > Subject:
> Date: Tue, 2 Aug 2011 10:21:09 -0500
> From: scottw...@freescale.com
> To: programas...@hotmail.com
> CC: u-boot@lists.denx.de
> Subject: Re: [U-Boot] problem with mpc837x start.S
>
> On Tue, 2 Aug 2011 04:11:25 +
> shawn
On Tue, 2 Aug 2011 04:11:25 +
shawn Bai wrote:
> > When flash is enlarged to 4GiB, it repeats throughout the address space.
>
> After flash is enlarged to 4GiB, why will it repeat through the address
> space? the whole 4GiB address space?How does it happen?
It's just how the hardware works
Thanks, Scott. I thought no one would reply to this question.
> Date: Mon, 1 Aug 2011 13:48:22 -0500
> From: scottw...@freescale.com
> To: programas...@hotmail.com
> CC: u-boot@lists.denx.de
> Subject: Re: [U-Boot] problem with mpc837x sta
On Wed, 27 Jul 2011 06:21:13 +
shawn Bai wrote:
> The question is about arch\powerpc\cpu\83xx\start.S.
> the demo board I use is MPC837xERDB, there is 8MBytes Nor flash on it.
> by default, uboot is booted from lower address, it means BMS field in HRCW is
> 0, which will affect value of MSR[
Sorry, guys,
I have no idea whether it makes you feel uncomfortable the way I ask questions.
If yes， I apologize.
But, I really don't understand the way uboot branch to nor flash, branch to ram.
I have read the source code in the 83xx/start.S file for many times,
and I have looked up the archives
Hello, boys and girls, my name is shawn Bai. I am new here and hope not disturb
you.
Although I have not posted before, what you do is very helpful to me to
understand what is bsp, how it runs, and so on.
I don't know whether the question below is mentioned or not before.
If yes, do you mind tel
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