linux-kernel - [PATCH v1 1/1] ARM: EXYNOS: fix DEBUG

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Date:	Sun, 17 May 2015 09:42:03 +0300
From:	Tarek Dakhran <t.dakhran@...il.com>
To:	kgene@...nel.org
Cc:	linux@....linux.org.uk, k.kozlowski@...sung.com,
	t.dakhran@...il.com, t.figa@...sung.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [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.dakhran@...il.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

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