diff options
| author | Boojin Kim <boojin.kim@samsung.com> | 2012-02-15 04:15:12 (GMT) |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-03-11 06:51:07 (GMT) |
| commit | 9ed76e0336988ecc9e7234e0bd49be4fd98f6c35 (patch) | |
| tree | 6556d1e1765e7cd4886dc66ba0f2fa50d2332225 /arch/arm/mach-exynos/dma.c | |
| parent | 44b2cef5ae6da48523fa634230ca66107110a7dd (diff) | |
| download | linux-fsl-qoriq-9ed76e0336988ecc9e7234e0bd49be4fd98f6c35.tar.xz | |
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 <boojin.kim@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos/dma.c')
| -rw-r--r-- | arch/arm/mach-exynos/dma.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c index 25f3ef2..17a2f90 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); |