On 01/31/2012 09:27 PM, Kukjin Kim wrote:
> From: Boojin Kim <boojin.kim@xxxxxxxxxxx>
>
> This patch adds MDMA platform data and enables
> MDMA for DMA memcpy operation for EXYNOS SoCs.
>
> Signed-off-by: Boojin Kim <boojin.kim@xxxxxxxxxxx>
> Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
> ---
> arch/arm/mach-exynos/clock-exynos4.c | 9 ++++++
> arch/arm/mach-exynos/dma.c | 35 ++++++++++++++++++++++++
> arch/arm/mach-exynos/include/mach/irqs.h | 2 +
> arch/arm/mach-exynos/include/mach/map.h | 3 +-
> arch/arm/plat-samsung/include/plat/dma-pl330.h | 8 +++++
> 5 files changed, 56 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c
> index 411b366b..ffcc46b 100644
> --- a/arch/arm/mach-exynos/clock-exynos4.c
> +++ b/arch/arm/mach-exynos/clock-exynos4.c
> @@ -783,6 +783,13 @@ static struct clk exynos4_clk_pdma1 = {
> .ctrlbit = (1 << 1),
> };
>
> +static struct clk exynos4_clk_mdma1 = {
exynos4_clk_mdma ?
> + .name = "dma",
> + .devname = "dma-pl330.2",
> + .enable = exynos4_clk_ip_image_ctrl,
> + .ctrlbit = ((1 << 8) | (1 << 5) | (1 << 2)),
> +};
> +
> struct clk *exynos4_clkset_group_list[] = {
> [0] = &clk_ext_xtal_mux,
> [1] = &clk_xusbxti,
> @@ -1301,6 +1308,7 @@ static struct clksrc_clk *exynos4_sysclks[] = {
> static struct clk *exynos4_clk_cdev[] = {
> &exynos4_clk_pdma0,
> &exynos4_clk_pdma1,
> + &exynos4_clk_mdma,
> };
>
> static struct clksrc_clk *exynos4_clksrc_cdev[] = {
> @@ -1329,6 +1337,7 @@ static struct clk_lookup exynos4_clk_lookup[] = {
> CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
> CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0),
> CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1),
> + CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos4_clk_mdma),
> CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &exynos4_clk_sclk_spi0.clk),
> CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk0", &exynos4_clk_sclk_spi1.clk),
> CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk0", &exynos4_clk_sclk_spi2.clk),
--
Tushar Behera
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