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Commit 4fdfa862 authored by Ben Dooks's avatar Ben Dooks Committed by Krzysztof Kozlowski
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ARM: EXYNOS: Fixup debug macros for big-endian 



The exynos low-level debug macros need to be fixed if the system is being
built big endian. Add the necessary endian swaps for accessing the registers
to get output working again

Signed-off-by: default avatarBen Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: default avatarKrzysztof Kozlowski <k.kozlowski@samsung.com>
parent da81593a

arch/arm/include/debug/samsung.S

+8 −0
Original line number Diff line number Diff line
@@ -15,11 +15,13 @@ 


	.macro fifo_level_s5pv210 rd, rx

		ldr	\rd, [\rx, # S3C2410_UFSTAT]

ARM_BE8(rev \rd, \rd)

		and	\rd, \rd, #S5PV210_UFSTAT_TXMASK

	.endm



	.macro  fifo_full_s5pv210 rd, rx

		ldr	\rd, [\rx, # S3C2410_UFSTAT]

ARM_BE8(rev \rd, \rd)

		tst	\rd, #S5PV210_UFSTAT_TXFULL

	.endm
@@ -28,6 +30,7 @@ 


	.macro fifo_level_s3c2440 rd, rx

		ldr	\rd, [\rx, # S3C2410_UFSTAT]

ARM_BE8(rev \rd, \rd)

		and	\rd, \rd, #S3C2440_UFSTAT_TXMASK

	.endm
@@ -37,6 +40,7 @@ 


	.macro  fifo_full_s3c2440 rd, rx

		ldr	\rd, [\rx, # S3C2410_UFSTAT]

ARM_BE8(rev \rd, \rd)

		tst	\rd, #S3C2440_UFSTAT_TXFULL

	.endm
@@ -50,6 +54,7 @@ 


	.macro	busyuart, rd, rx

		ldr	\rd, [\rx, # S3C2410_UFCON]

ARM_BE8(rev \rd, \rd)

		tst	\rd, #S3C2410_UFCON_FIFOMODE	@ fifo enabled?

		beq	1001f				@

		@ FIFO enabled...
@@ -61,6 +66,7 @@ 
1001:

		@ busy waiting for non fifo

		ldr	\rd, [\rx, # S3C2410_UTRSTAT]

ARM_BE8(rev \rd, \rd)

		tst	\rd, #S3C2410_UTRSTAT_TXFE

		beq	1001b
@@ -69,6 +75,7 @@ 


	.macro	waituart,rd,rx

		ldr	\rd, [\rx, # S3C2410_UFCON]

ARM_BE8(rev \rd, \rd)

		tst	\rd, #S3C2410_UFCON_FIFOMODE	@ fifo enabled?

		beq	1001f				@

		@ FIFO enabled...
@@ -80,6 +87,7 @@ 
1001:

		@ idle waiting for non fifo

		ldr	\rd, [\rx, # S3C2410_UTRSTAT]

ARM_BE8(rev \rd, \rd)

		tst	\rd, #S3C2410_UTRSTAT_TXFE

		beq	1001b