From 9ed76e0336988ecc9e7234e0bd49be4fd98f6c35 Mon Sep 17 00:00:00 2001 From: Boojin Kim Date: Wed, 15 Feb 2012 13:15:12 +0900 Subject: ARM: EXYNOS: Enable MDMA driver This patch adds MDMA platform data and enables MDMA for DMA memcpy operation for EXYNOS SoCs. Signed-off-by: Boojin Kim Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos/dma.c | 22 ++++++++++++++++++++++ 1 file changed, 22 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 25f3ef2c36e5..17a2f9086310 100644 --- a/arch/arm/mach-exynos/dma.c +++ b/arch/arm/mach-exynos/dma.c @@ -113,6 +113,25 @@ static struct dma_pl330_platdata exynos4_pdma1_pdata = { static AMBA_AHB_DEVICE(exynos4_pdma1, "dma-pl330.1", 0x00041330, EXYNOS4_PA_PDMA1, {IRQ_PDMA1}, &exynos4_pdma1_pdata); +static u8 mdma_peri[] = { + DMACH_MTOM_0, + DMACH_MTOM_1, + DMACH_MTOM_2, + DMACH_MTOM_3, + DMACH_MTOM_4, + DMACH_MTOM_5, + DMACH_MTOM_6, + DMACH_MTOM_7, +}; + +static struct dma_pl330_platdata exynos4_mdma1_pdata = { + .nr_valid_peri = ARRAY_SIZE(mdma_peri), + .peri_id = mdma_peri, +}; + +static AMBA_AHB_DEVICE(exynos4_mdma1, "dma-pl330.2", 0x00041330, + EXYNOS4_PA_MDMA1, {IRQ_MDMA1}, &exynos4_mdma1_pdata); + static int __init exynos4_dma_init(void) { if (of_have_populated_dt()) @@ -126,6 +145,9 @@ static int __init exynos4_dma_init(void) dma_cap_set(DMA_CYCLIC, exynos4_pdma1_pdata.cap_mask); amba_device_register(&exynos4_pdma1_device, &iomem_resource); + dma_cap_set(DMA_MEMCPY, exynos4_mdma1_pdata.cap_mask); + amba_device_register(&exynos4_mdma1_device, &iomem_resource); + return 0; } arch_initcall(exynos4_dma_init); -- cgit v1.2.2