From 7fc7bf084bba30c66e751dae47b87bc00891f288 Mon Sep 17 00:00:00 2001 From: Tushar Behera Date: Wed, 29 Aug 2012 10:16:24 +0530 Subject: ARM: EXYNOS: Set the capability of pdm0 and pdm1 as DMA_PRIVATE DMA clients pdma0 and pdma1 are internal to the SoC and are used only by dedicated peripherals. Since they cannot be used for generic purpose, their capability should be set as DMA_PRIVATE. CC: Kukjin Kim Signed-off-by: Tushar Behera Acked-by: Kukjin Kim Signed-off-by: Vinod Koul --- arch/arm/mach-exynos/dma.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/mach-exynos/dma.c') diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c index f60b66dbcf8..21d568b3b14 100644 --- a/arch/arm/mach-exynos/dma.c +++ b/arch/arm/mach-exynos/dma.c @@ -303,10 +303,12 @@ static int __init exynos_dma_init(void) dma_cap_set(DMA_SLAVE, exynos_pdma0_pdata.cap_mask); dma_cap_set(DMA_CYCLIC, exynos_pdma0_pdata.cap_mask); + dma_cap_set(DMA_PRIVATE, exynos_pdma0_pdata.cap_mask); amba_device_register(&exynos_pdma0_device, &iomem_resource); dma_cap_set(DMA_SLAVE, exynos_pdma1_pdata.cap_mask); dma_cap_set(DMA_CYCLIC, exynos_pdma1_pdata.cap_mask); + dma_cap_set(DMA_PRIVATE, exynos_pdma1_pdata.cap_mask); amba_device_register(&exynos_pdma1_device, &iomem_resource); dma_cap_set(DMA_MEMCPY, exynos_mdma1_pdata.cap_mask); -- cgit v1.2.3 From 91280e755a43fd2a6a20bfeab3a571321de68b76 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Tue, 20 Nov 2012 20:39:28 +0900 Subject: ARM: EXYNOS: PL330 MDMA1 fix for revision 0 of Exynos4210 SOC Commit 8214513 ("ARM: EXYNOS: fix address for EXYNOS4 MDMA1") changed EXYNOS specific setup of PL330 DMA engine to use 'non-secure' mdma1 address instead of 'secure' one (from 0x12840000 to 0x12850000) to fix issue with some Exynos4212 SOCs. Unfortunately it brakes PL330 setup for revision 0 of Exynos4210 SOC (mdma1 device cannot be found at 'non-secure' address): [ 0.566245] dma-pl330 dma-pl330.2: PERIPH_ID 0x0, PCELL_ID 0x0 ! [ 0.566278] dma-pl330: probe of dma-pl330.2 failed with error -22 Fix it by using 'secure' mdma1 address on Exynos4210 revision 0 SOC. Reviewed-by: Tomasz Figa Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Kyungmin Park Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos/dma.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm/mach-exynos/dma.c') diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c index 21d568b3b14..87e07d6fc61 100644 --- a/arch/arm/mach-exynos/dma.c +++ b/arch/arm/mach-exynos/dma.c @@ -275,6 +275,9 @@ static int __init exynos_dma_init(void) exynos_pdma1_pdata.nr_valid_peri = ARRAY_SIZE(exynos4210_pdma1_peri); exynos_pdma1_pdata.peri_id = exynos4210_pdma1_peri; + + if (samsung_rev() == EXYNOS4210_REV_0) + exynos_mdma1_device.res.start = EXYNOS4_PA_S_MDMA1; } else if (soc_is_exynos4212() || soc_is_exynos4412()) { exynos_pdma0_pdata.nr_valid_peri = ARRAY_SIZE(exynos4212_pdma0_peri); -- cgit v1.2.3