Re: [PATCH v3] ARM: at91: Add Telit EVK-PRO3 board support

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

On 11:49 Fri 25 Jan     , Fabio Porcedda wrote:
> On Thu, Jan 24, 2013 at 4:51 PM, Jean-Christophe PLAGNIOL-VILLARD
> <plagnioj@jcrosoft.com> wrote:
> >> diff --git a/arch/arm/boards/telit-evk-pro3/init.c b/arch/arm/boards/telit-evk-pro3/init.c
> >> new file mode 100644
> >> index 0000000..06e6508
> >> --- /dev/null
> >> +++ b/arch/arm/boards/telit-evk-pro3/init.c
> >> @@ -0,0 +1,178 @@
> >> +/*
> >> + * Copyright (C) 2007 Sascha Hauer, Pengutronix
> >> + * Copyright (C) 2013 Fabio Porcedda <fabio.porcedda@gmail.com>, Telit
> >> + *
> >> + * This program is free software; you can redistribute it and/or
> >> + * modify it under the terms of the GNU General Public License as
> >> + * published by the Free Software Foundation; either version 2 of
> >> + * the License, or (at your option) any later version.
> >> + *
> >> + * This program is distributed in the hope that it will be useful,
> >> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> >> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> >> + * GNU General Public License for more details.
> >> + */
> >> +
> >> +#include <asm/armlinux.h>
> >> +#include <common.h>
> >> +#include <gpio.h>
> >> +#include <init.h>
> >> +#include <linux/clk.h>
> >> +#include <mach/at91_rstc.h>
> >> +#include <mach/at91sam9_smc.h>
> >> +#include <mach/board.h>
> >> +#include <mach/io.h>
> >> +#include <nand.h>
> >> +
> >> +#define BOOTSTRAP_SIZE 0xC0000
> > this is really wired
> >
> > on 9260 you have anly 4KiB of sram so you bootstrap will be 4KiB MAX
> >
> > and as on 9260 the ROM code does not manage the bbt or even ECC correction
> >
> > you just need to reserve the first block of the NAND for it
> 
> 
> You are right, but right now I can only use the Telit Official Bootstrap binary,
> so I must use that address because is the address used by the original
> bootstrap binary.
> 
> To be able to use another address I want to port the Barebox AT91
> Bootstrap or AT91Bootstrap.
> Do you think is difficult to add support to the at91sam9260ek for
> Barebox AT91 Bootstrap?
it's impossible you have anly 4KiB on the 9260
the minimal size of the boostrap is 20KiB on dataflash
on nand it's 30KiB

that's why we implement on other code to do this

Best Regards,
J.
> 
> > except this
> >
> > Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> >
> > Best Regards,
> > J.
> 
> Best regards and thanks for reviewing.
> --
> Fabio Porcedda

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