From patchwork Mon Aug 8 14:28:26 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [06/12] ARM: mxc: Setup consistent dma size at boot time Date: Mon, 08 Aug 2011 04:28:26 -0000 From: Tixy X-Patchwork-Id: 108952 Message-Id: <1312813712-22808-7-git-send-email-tixy@yxit.co.uk> To: linux-arm-kernel@lists.infradead.org Cc: Amit Kucheria , Sascha Hauer Signed-off-by: Jon Medhurst CC: Sascha Hauer CC: Amit Kucheria --- arch/arm/plat-mxc/include/mach/common.h | 1 + arch/arm/plat-mxc/include/mach/memory.h | 15 --------------- arch/arm/mach-imx/mm-imx1.c | 1 + arch/arm/mach-imx/mm-imx21.c | 1 + arch/arm/mach-imx/mm-imx25.c | 1 + arch/arm/mach-imx/mm-imx27.c | 1 + arch/arm/mach-imx/mm-imx31.c | 1 + arch/arm/mach-imx/mm-imx35.c | 1 + arch/arm/mach-mx5/mm-mx50.c | 1 + arch/arm/mach-mx5/mm.c | 2 ++ arch/arm/plat-mxc/system.c | 16 ++++++++++++++++ 11 files changed, 26 insertions(+), 15 deletions(-) diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 4e3d978..40fb4d8 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -72,4 +72,5 @@ extern void mxc_arch_reset_init(void __iomem *); extern void mx51_efikamx_reset(void); extern int mx53_revision(void); extern int mx53_display_revision(void); +extern void __init mxc_init_consistent_dma_size(void); #endif diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h index 11be5cd..3ec84b9 100644 --- a/arch/arm/plat-mxc/include/mach/memory.h +++ b/arch/arm/plat-mxc/include/mach/memory.h @@ -40,19 +40,4 @@ # endif #endif -#if defined(CONFIG_MX3_VIDEO) -/* - * Increase size of DMA-consistent memory region. - * This is required for mx3 camera driver to capture at least two QXGA frames. - */ -#define CONSISTENT_DMA_SIZE SZ_8M - -#elif defined(CONFIG_MX1_VIDEO) || defined(CONFIG_VIDEO_MX2_HOSTSUPPORT) -/* - * Increase size of DMA-consistent memory region. - * This is required for i.MX camera driver to capture at least four VGA frames. - */ -#define CONSISTENT_DMA_SIZE SZ_4M -#endif /* CONFIG_MX1_VIDEO || CONFIG_VIDEO_MX2_HOSTSUPPORT */ - #endif /* __ASM_ARCH_MXC_MEMORY_H__ */ diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c index 2bded59..f70e318 100644 --- a/arch/arm/mach-imx/mm-imx1.c +++ b/arch/arm/mach-imx/mm-imx1.c @@ -33,6 +33,7 @@ static struct map_desc imx_io_desc[] __initdata = { void __init mx1_map_io(void) { iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx1_init_early(void) diff --git a/arch/arm/mach-imx/mm-imx21.c b/arch/arm/mach-imx/mm-imx21.c index 3f05dfe..440816a 100644 --- a/arch/arm/mach-imx/mm-imx21.c +++ b/arch/arm/mach-imx/mm-imx21.c @@ -60,6 +60,7 @@ static struct map_desc imx21_io_desc[] __initdata = { void __init mx21_map_io(void) { iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx21_init_early(void) diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c index cc4d152..12f5759 100644 --- a/arch/arm/mach-imx/mm-imx25.c +++ b/arch/arm/mach-imx/mm-imx25.c @@ -48,6 +48,7 @@ static struct map_desc mx25_io_desc[] __initdata = { void __init mx25_map_io(void) { iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx25_init_early(void) diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c index 96dd1f5..8799265 100644 --- a/arch/arm/mach-imx/mm-imx27.c +++ b/arch/arm/mach-imx/mm-imx27.c @@ -60,6 +60,7 @@ static struct map_desc imx27_io_desc[] __initdata = { void __init mx27_map_io(void) { iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx27_init_early(void) diff --git a/arch/arm/mach-imx/mm-imx31.c b/arch/arm/mach-imx/mm-imx31.c index b7c55e7..b2331cf 100644 --- a/arch/arm/mach-imx/mm-imx31.c +++ b/arch/arm/mach-imx/mm-imx31.c @@ -45,6 +45,7 @@ static struct map_desc mx31_io_desc[] __initdata = { void __init mx31_map_io(void) { iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx31_init_early(void) diff --git a/arch/arm/mach-imx/mm-imx35.c b/arch/arm/mach-imx/mm-imx35.c index f49bac7..eb60521 100644 --- a/arch/arm/mach-imx/mm-imx35.c +++ b/arch/arm/mach-imx/mm-imx35.c @@ -41,6 +41,7 @@ static struct map_desc mx35_io_desc[] __initdata = { void __init mx35_map_io(void) { iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx35_init_early(void) diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c index 77e374c..04a02cc 100644 --- a/arch/arm/mach-mx5/mm-mx50.c +++ b/arch/arm/mach-mx5/mm-mx50.c @@ -46,6 +46,7 @@ static struct map_desc mx50_io_desc[] __initdata = { void __init mx50_map_io(void) { iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx50_init_early(void) diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index baea6e5..e0ca2b5 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -49,6 +49,7 @@ static struct map_desc mx53_io_desc[] __initdata = { void __init mx51_map_io(void) { iotable_init(mx51_io_desc, ARRAY_SIZE(mx51_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx51_init_early(void) @@ -61,6 +62,7 @@ void __init imx51_init_early(void) void __init mx53_map_io(void) { iotable_init(mx53_io_desc, ARRAY_SIZE(mx53_io_desc)); + mxc_init_consistent_dma_size(); } void __init imx53_init_early(void) diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c index 8024f2a..75d1592 100644 --- a/arch/arm/plat-mxc/system.c +++ b/arch/arm/plat-mxc/system.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -74,3 +75,18 @@ void mxc_arch_reset_init(void __iomem *base) { wdog_base = base; } + +void __init mxc_init_consistent_dma_size(void) +{ +#if defined(CONFIG_MX3_VIDEO) + + /* Required for mx3 camera driver to capture at least two QXGA frames */ + init_consistent_dma_size(SZ_8M); + +#elif defined(CONFIG_MX1_VIDEO) || defined(CONFIG_VIDEO_MX2_HOSTSUPPORT) + + /* Required for i.MX camera driver to capture at least 4 VGA frames */ + init_consistent_dma_size(SZ_4M); + +#endif +}