From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/4][v2] powerpc/85xx:Fix MSR[DE] bit in MSR to support debugger
Date: Wed, 25 Apr 2012 13:43:22 -0500 [thread overview]
Message-ID: <4F9845CA.2090405@freescale.com> (raw)
In-Reply-To: <OFEE8819C2.5B131E7E-ONC12579EB.003339B5-C12579EB.003C310F@transmode.se>
On 04/25/2012 05:57 AM, Joakim Tjernlund wrote:
>>
>> Debugging of e500 and e500v1 processer requires MSR[DE] bit to be set always.
>> Where MSR = Machine State register
>>
>> Make sure of MSR[DE] bit is set uniformaly across the different execution
>> address space i.e. AS0 and AS1.
>
> Hi
>
> We are trying to bring up our custom P2010 RDB based board. boot is NOR
> based and we cannot get past the rfi below.
> lis r6,MSR_IS|MSR_DS at h
> ori r6,r6,MSR_IS|MSR_DS at l
> lis r7,switch_as at h
> ori r7,r7,switch_as at l
>
> mtspr SPRN_SRR0,r7
> mtspr SPRN_SRR1,r6
> rfi
>
> switch_as:
>
> We end up with a TLB exception no matter what we do, even after applying this patch.
Did you apply the entire patchset, and define CONFIG_SYS_PPC_E500_DEBUG_TLB?
-Scott
next prev parent reply other threads:[~2012-04-25 18:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-25 8:25 [U-Boot] [PATCH 2/4][v2] powerpc/85xx:Fix MSR[DE] bit in MSR to support debugger Prabhakar Kushwaha
2012-04-25 10:57 ` Joakim Tjernlund
2012-04-25 18:43 ` Scott Wood [this message]
2012-04-25 18:55 ` Joakim Tjernlund
2012-04-25 18:59 ` Scott Wood
2012-04-26 7:01 ` Joakim Tjernlund
-- strict thread matches above, loose matches on Subject: below --
2012-04-30 9:56 Prabhakar Kushwaha
2012-03-26 9:00 Prabhakar Kushwaha
2012-03-21 4:42 Prabhakar Kushwaha
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