Re: [PATCH v1 1/1] ARM: EXYNOS: fix DEBUG_LL on Cortex-A7.
Hi Chanho, On Mon, May 18, 2015 at 4:52 AM, Chanho Park wrote: > > Please see previous Joonyoung's patch. Your patch could break > exynos3250 because it has not only two cortex-a7 cpus but also uses > EXYOS4_PA_UART. > > http://www.spinics.net/lists/linux-samsung-soc/msg37318.html > Thanks, Joonyoung's patch works for me and it seems really reasonable to check cluster id. Best regards, Tarek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH v1 1/1] ARM: EXYNOS: fix DEBUG_LL on Cortex-A7.
Hi Chanho, On Mon, May 18, 2015 at 4:52 AM, Chanho Park parkc...@gmail.com wrote: Please see previous Joonyoung's patch. Your patch could break exynos3250 because it has not only two cortex-a7 cpus but also uses EXYOS4_PA_UART. http://www.spinics.net/lists/linux-samsung-soc/msg37318.html Thanks, Joonyoung's patch works for me and it seems really reasonable to check cluster id. Best regards, Tarek -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH v1 1/1] ARM: EXYNOS: fix DEBUG_LL on Cortex-A7.
Hi Tarek, On Sun, May 17, 2015 at 3:42 PM, Tarek Dakhran wrote: > Cortex-A7 has EXYNOS5_PA_UART base address for UART. > If system boots from Cortex-A7 CPU addruart loads wrong > address. This patch fixex this. > > Signed-off-by: Tarek Dakhran > --- > arch/arm/include/debug/exynos.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/include/debug/exynos.S b/arch/arm/include/debug/exynos.S > index b17fdb7..a61b3ea 100644 > --- a/arch/arm/include/debug/exynos.S > +++ b/arch/arm/include/debug/exynos.S > @@ -24,6 +24,7 @@ > mrc p15, 0, \tmp, c0, c0, 0 > and \tmp, \tmp, #0xf0 > teq \tmp, #0xf0 @@ A15 > + teqne \tmp, #0x70 @@ A7 > ldreq \rp, =EXYNOS5_PA_UART > movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 > ldr \rv, =S3C_VA_UART > -- > 1.9.1 > Please see previous Joonyoung's patch. Your patch could break exynos3250 because it has not only two cortex-a7 cpus but also uses EXYOS4_PA_UART. http://www.spinics.net/lists/linux-samsung-soc/msg37318.html -- Best Regards, Chanho Park -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v1 1/1] ARM: EXYNOS: fix DEBUG_LL on Cortex-A7.
Cortex-A7 has EXYNOS5_PA_UART base address for UART. If system boots from Cortex-A7 CPU addruart loads wrong address. This patch fixex this. Signed-off-by: Tarek Dakhran --- arch/arm/include/debug/exynos.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/include/debug/exynos.S b/arch/arm/include/debug/exynos.S index b17fdb7..a61b3ea 100644 --- a/arch/arm/include/debug/exynos.S +++ b/arch/arm/include/debug/exynos.S @@ -24,6 +24,7 @@ mrc p15, 0, \tmp, c0, c0, 0 and \tmp, \tmp, #0xf0 teq \tmp, #0xf0 @@ A15 + teqne \tmp, #0x70 @@ A7 ldreq \rp, =EXYNOS5_PA_UART movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 ldr \rv, =S3C_VA_UART -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH v1 1/1] ARM: EXYNOS: fix DEBUG_LL on Cortex-A7.
Hi Tarek, On Sun, May 17, 2015 at 3:42 PM, Tarek Dakhran t.dakh...@gmail.com wrote: Cortex-A7 has EXYNOS5_PA_UART base address for UART. If system boots from Cortex-A7 CPU addruart loads wrong address. This patch fixex this. Signed-off-by: Tarek Dakhran t.dakh...@gmail.com --- arch/arm/include/debug/exynos.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/include/debug/exynos.S b/arch/arm/include/debug/exynos.S index b17fdb7..a61b3ea 100644 --- a/arch/arm/include/debug/exynos.S +++ b/arch/arm/include/debug/exynos.S @@ -24,6 +24,7 @@ mrc p15, 0, \tmp, c0, c0, 0 and \tmp, \tmp, #0xf0 teq \tmp, #0xf0 @@ A15 + teqne \tmp, #0x70 @@ A7 ldreq \rp, =EXYNOS5_PA_UART movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 ldr \rv, =S3C_VA_UART -- 1.9.1 Please see previous Joonyoung's patch. Your patch could break exynos3250 because it has not only two cortex-a7 cpus but also uses EXYOS4_PA_UART. http://www.spinics.net/lists/linux-samsung-soc/msg37318.html -- Best Regards, Chanho Park -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v1 1/1] ARM: EXYNOS: fix DEBUG_LL on Cortex-A7.
Cortex-A7 has EXYNOS5_PA_UART base address for UART. If system boots from Cortex-A7 CPU addruart loads wrong address. This patch fixex this. Signed-off-by: Tarek Dakhran t.dakh...@gmail.com --- arch/arm/include/debug/exynos.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/include/debug/exynos.S b/arch/arm/include/debug/exynos.S index b17fdb7..a61b3ea 100644 --- a/arch/arm/include/debug/exynos.S +++ b/arch/arm/include/debug/exynos.S @@ -24,6 +24,7 @@ mrc p15, 0, \tmp, c0, c0, 0 and \tmp, \tmp, #0xf0 teq \tmp, #0xf0 @@ A15 + teqne \tmp, #0x70 @@ A7 ldreq \rp, =EXYNOS5_PA_UART movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 ldr \rv, =S3C_VA_UART -- 1.9.1 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
