* [PATCH v2] ARM: highbank: fix debug uart virtual address for LPAE
@ 2013-08-18 0:12 Rob Herring
2013-09-02 12:48 ` Russell King - ARM Linux
0 siblings, 1 reply; 3+ messages in thread
From: Rob Herring @ 2013-08-18 0:12 UTC (permalink / raw)
To: linux-arm-kernel
From: Rob Herring <rob.herring@calxeda.com>
Section entries are 2MB on LPAE, so the DEBUG_LL virtual address must
have the same offset in the 2MB section as the physical address. This
fixes async external aborts when DEBUG_LL is enabled on Midway.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
---
v2: Rebase on Russell's DEBUG_LL clean-up
arch/arm/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 2d57da3..2a88a4d 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1005,7 +1005,7 @@ config DEBUG_UART_VIRT
default 0xfee003f8 if FOOTBRIDGE
default 0xfee08300 if DEBUG_DAVINCI_TNETV107X_UART1
default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
- default 0xfee36000 if DEBUG_HIGHBANK_UART
+ default 0xfef36000 if DEBUG_HIGHBANK_UART
default 0xfee82340 if ARCH_IOP13XX
default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
--
1.8.1.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v2] ARM: highbank: fix debug uart virtual address for LPAE
2013-08-18 0:12 [PATCH v2] ARM: highbank: fix debug uart virtual address for LPAE Rob Herring
@ 2013-09-02 12:48 ` Russell King - ARM Linux
2013-09-05 13:29 ` Rob Herring
0 siblings, 1 reply; 3+ messages in thread
From: Russell King - ARM Linux @ 2013-09-02 12:48 UTC (permalink / raw)
To: linux-arm-kernel
On Sat, Aug 17, 2013 at 07:12:28PM -0500, Rob Herring wrote:
> From: Rob Herring <rob.herring@calxeda.com>
>
> Section entries are 2MB on LPAE, so the DEBUG_LL virtual address must
> have the same offset in the 2MB section as the physical address. This
> fixes async external aborts when DEBUG_LL is enabled on Midway.
>
> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
> ---
> v2: Rebase on Russell's DEBUG_LL clean-up
Do you also want to do a patch for this for v3.11, because if it's wrong
in my series, it's wrong in mainline at the moment:
- ldr \rv, =0xfee36000
- ldr \rp, =0xfff36000
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v2] ARM: highbank: fix debug uart virtual address for LPAE
2013-09-02 12:48 ` Russell King - ARM Linux
@ 2013-09-05 13:29 ` Rob Herring
0 siblings, 0 replies; 3+ messages in thread
From: Rob Herring @ 2013-09-05 13:29 UTC (permalink / raw)
To: linux-arm-kernel
On Mon, Sep 2, 2013 at 7:48 AM, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> On Sat, Aug 17, 2013 at 07:12:28PM -0500, Rob Herring wrote:
>> From: Rob Herring <rob.herring@calxeda.com>
>>
>> Section entries are 2MB on LPAE, so the DEBUG_LL virtual address must
>> have the same offset in the 2MB section as the physical address. This
>> fixes async external aborts when DEBUG_LL is enabled on Midway.
>>
>> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
>> ---
>> v2: Rebase on Russell's DEBUG_LL clean-up
>
> Do you also want to do a patch for this for v3.11, because if it's wrong
> in my series, it's wrong in mainline at the moment:
That would be v1 of my patch. There are other fixes needed for LPAE on
Midway in 3.11, so this fix alone is not really needed.
Rob
^ permalink raw reply [flat|nested] 3+ messages in thread
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