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From: mcrapet@gmail.com (Matthieu Crapet)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1.0 2/4] TS72XX: Allow to override machine ID
Date: Sun, 04 Oct 2009 13:05:26 +0200	[thread overview]
Message-ID: <4AC88176.6070402@gmail.com> (raw)
In-Reply-To: <20091004011424.12578.79467.stgit@localhost.localdomain>

Christian,

This can't be acked, it's pure hack!


Christian Gagneraud wrote:
> From: Matthieu Crapet <mcrapet@gmail.com>
>
> In early days Technologic Systems fixed the 0x163 value in redboot
> instead of 0x2a1, this patch allow to overwrite it.
>
> Signed-off-by: Matthieu Crapet <mcrapet@gmail.com>
> Signed-off-by: Christian Gagneraud <cgagneraud@techworks.ie>
> ---
>
>  arch/arm/kernel/head.S       |    3 +++
>  arch/arm/mach-ep93xx/Kconfig |    7 +++++++
>  2 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
> index 38ccbe1..c2e4514 100644
> --- a/arch/arm/kernel/head.S
> +++ b/arch/arm/kernel/head.S
> @@ -82,6 +82,9 @@ ENTRY(stext)
>  	bl	__lookup_processor_type		@ r5=procinfo r9=cpuid
>  	movs	r10, r5				@ invalid processor (r5=0)?
>  	beq	__error_p			@ yes, error 'p'
> +#ifdef CONFIG_MACH_TS72XX_FORCE_MACHINEID
> +	ldr r1, =0x2a1
> +#endif
>  	bl	__lookup_machine_type		@ r5=machinfo
>  	movs	r8, r5				@ invalid machine (r5=0)?
>  	beq	__error_a			@ yes, error 'a'
> diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
> index 303c4f8..a909303 100644
> --- a/arch/arm/mach-ep93xx/Kconfig
> +++ b/arch/arm/mach-ep93xx/Kconfig
> @@ -191,6 +191,13 @@ config EP93XX_EARLY_UART3
>  
>  endchoice
>  
> +config MACH_TS72XX_FORCE_MACHINEID
> +	bool "Force Machine ID"
> +	depends on MACH_TS72XX
> +	help
> +	  Say 'Y' here to force Machine ID to 0x2A1 (MACH_TYPE_TS72XX legacy value)
> +	  In early days Technologic Systems fixed the 0x163 value in redboot.
> +
>  endmenu
>  
>  endif
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
>   

  reply	other threads:[~2009-10-04 11:05 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-04  1:14 [RFC][PATCH v1.0] Update and enhance TS-7XXX support Christian Gagneraud
2009-10-04  1:14 ` [PATCH v1.0 1/4] EP93XX: Allow to force nF bit in control reg Christian Gagneraud
2009-10-04  1:14 ` [PATCH v1.0 2/4] TS72XX: Allow to override machine ID Christian Gagneraud
2009-10-04 11:05   ` Matthieu Crapet [this message]
2009-10-04 11:13   ` Alexander Clouter
2009-10-04 18:34     ` Bill Gatliff
2009-10-04 18:35     ` Bill Gatliff
2009-10-04 11:21   ` Russell King - ARM Linux
2009-10-04 11:55     ` Christian Gagneraud
2009-10-04 23:03   ` H Hartley Sweeten
2009-10-05 12:17     ` Christian Gagneraud
2009-10-05 14:10       ` Alexander Clouter
2009-10-05 15:15       ` Mikael Pettersson
2009-10-05 16:01         ` Marek Vasut
2009-10-05 18:34           ` Christian Gagneraud
2009-10-04  1:14 ` [PATCH v1.0 3/4] EP93XX: Add more register definition Christian Gagneraud
2009-10-04 19:33   ` Ryan Mallon
2009-10-04 23:09   ` H Hartley Sweeten
2009-10-05 12:06     ` Christian Gagneraud
2009-10-05 16:51       ` H Hartley Sweeten
2009-10-05 18:30         ` Christian Gagneraud
2009-10-04  1:14 ` [PATCH v1.0 4/4] MM: Switch TS72XX to use sparemem Christian Gagneraud
2009-10-05 12:21   ` Christian Gagneraud
2009-10-05 17:06     ` H Hartley Sweeten
2009-10-05 18:16       ` Christian Gagneraud
2009-10-05 18:52         ` H Hartley Sweeten
2009-10-06 21:21           ` Christian Gagneraud
2009-10-06 21:26             ` Christian Gagneraud

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