From: Ben Dooks <ben.dooks@codethink.co.uk> To: matthew.leach@codethink.co.uk, k.kozlowski@samsung.com, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-kernel@lists.codethink.co.uk, Ben Dooks <ben.dooks@codethink.co.uk> Subject: [[PATCH v2] 01/11] ARM: EXYNOS: fixup debug macros for big-endian Date: Tue, 21 Jun 2016 11:20:22 +0100 [thread overview] Message-ID: <1466504432-24187-2-git-send-email-ben.dooks@codethink.co.uk> (raw) In-Reply-To: <1466504432-24187-1-git-send-email-ben.dooks@codethink.co.uk> 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: Ben Dooks <ben.dooks@codethink.co.uk> --- arch/arm/include/debug/samsung.S | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/include/debug/samsung.S b/arch/arm/include/debug/samsung.S index 8d8d922..f4eeed2 100644 --- a/arch/arm/include/debug/samsung.S +++ b/arch/arm/include/debug/samsung.S @@ -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 -- 2.8.1
WARNING: multiple messages have this Message-ID (diff)
From: ben.dooks@codethink.co.uk (Ben Dooks) To: linux-arm-kernel@lists.infradead.org Subject: [[PATCH v2] 01/11] ARM: EXYNOS: fixup debug macros for big-endian Date: Tue, 21 Jun 2016 11:20:22 +0100 [thread overview] Message-ID: <1466504432-24187-2-git-send-email-ben.dooks@codethink.co.uk> (raw) In-Reply-To: <1466504432-24187-1-git-send-email-ben.dooks@codethink.co.uk> 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: Ben Dooks <ben.dooks@codethink.co.uk> --- arch/arm/include/debug/samsung.S | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/include/debug/samsung.S b/arch/arm/include/debug/samsung.S index 8d8d922..f4eeed2 100644 --- a/arch/arm/include/debug/samsung.S +++ b/arch/arm/include/debug/samsung.S @@ -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 -- 2.8.1
next prev parent reply other threads:[~2016-06-21 10:20 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-21 10:20 Exynos big-endian repost Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 10:20 ` Ben Dooks [this message] 2016-06-21 10:20 ` [[PATCH v2] 01/11] ARM: EXYNOS: fixup debug macros for big-endian Ben Dooks 2016-06-21 11:15 ` Krzysztof Kozlowski 2016-06-21 11:15 ` Krzysztof Kozlowski 2016-06-21 10:20 ` [[PATCH v2] 02/11] ARM: Samsung: fixup endian issues in cpu detection Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 11:16 ` Krzysztof Kozlowski 2016-06-21 11:16 ` Krzysztof Kozlowski 2016-06-21 10:20 ` [[PATCH v2] 03/11] ARM: EXYNOS: fixups for big-endian operation Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 11:16 ` Krzysztof Kozlowski 2016-06-21 11:16 ` Krzysztof Kozlowski 2016-06-21 10:20 ` [[PATCH v2] 04/11] ARM: EXYNOS: fixup endian in pm/pmu Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 11:16 ` Krzysztof Kozlowski 2016-06-21 11:16 ` Krzysztof Kozlowski 2016-06-21 10:20 ` [[PATCH v2] 05/11] ARM: EXYNOS: Enable ARCH_SUPPORTS_BIG_ENDIAN explicitly Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 11:17 ` Krzysztof Kozlowski 2016-06-21 11:17 ` Krzysztof Kozlowski 2016-08-10 14:02 ` Krzysztof Kozlowski 2016-08-10 14:02 ` Krzysztof Kozlowski 2016-06-21 10:20 ` [[PATCH v2] 06/11] ARM: Samsung: fixup usage of __raw IO Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 11:17 ` Krzysztof Kozlowski 2016-06-21 11:17 ` Krzysztof Kozlowski 2016-06-21 10:20 ` [[PATCH v2] 07/11] ARM: EXYNOS: fixup for __raw operations in suspend.c Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 11:17 ` Krzysztof Kozlowski 2016-06-21 11:17 ` Krzysztof Kozlowski 2016-06-21 10:20 ` [[PATCH v2] 08/11] irqchip: exynos: fix usage of __raw IO Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-23 18:53 ` Jason Cooper 2016-06-23 18:53 ` Jason Cooper 2016-06-21 10:20 ` [[PATCH v2] 09/11] irqchip/s3c24xx: fixup IO accessors for big endian Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 10:20 ` [[PATCH v2] 10/11] [V2] memory: samsung: endian fixes for IO Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-21 10:20 ` [[PATCH v2] 11/11] hwrng: exynos - fixup IO accesors Ben Dooks 2016-06-21 10:20 ` Ben Dooks 2016-06-22 10:37 ` Herbert Xu 2016-06-22 10:37 ` Herbert Xu 2016-06-22 10:37 ` Herbert Xu 2016-06-22 11:53 ` Ben Dooks 2016-06-22 11:53 ` Ben Dooks
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