ENGR00273673-2 dma: imx-sdma: Add dual-fifo script for ssi

To support SSI dual-fifo mode, we need to add dual-fifo script for sdma.

Signed-off-by: Nicolin Chen <b42378@freescale.com>

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index d67e86a8172bb9149eade04c1627b8a23b312a8d..263001bf268a6d8c1c5df05ef6913bee41ae61d0 100644 (file)
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -625,6 +625,9 @@ static void sdma_get_pc(struct sdma_channel *sdmac,
                emi_2_per = sdma->script_addrs->mcu_2_app_addr;
                break;
        case IMX_DMATYPE_SSI_SP:
+               per_2_emi = sdma->script_addrs->ssish_2_mcu_addr;
+               emi_2_per = sdma->script_addrs->mcu_2_ssish_addr;
+               break;
        case IMX_DMATYPE_MMC:
        case IMX_DMATYPE_SDHC:
        case IMX_DMATYPE_CSPI_SP:
@@ -1143,7 +1146,7 @@ static void sdma_issue_pending(struct dma_chan *chan)
                sdma_enable_channel(sdma, sdmac->channel);
 }
 
-#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1        35
+#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1        37
 
 static void sdma_add_scripts(struct sdma_engine *sdma,
                const struct sdma_script_start_addrs *addr)

diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h
index 3a3942823c209163501b1dcd49a550d1664c56da..19cfa9a1fd16a2478db1b787802cefb582033c77 100644 (file)
--- a/include/linux/platform_data/dma-imx-sdma.h
+++ b/include/linux/platform_data/dma-imx-sdma.h
@@ -43,6 +43,8 @@ struct sdma_script_start_addrs {
        s32 dptc_dvfs_addr;
        s32 utra_addr;
        s32 ram_code_start_addr;
+       s32 mcu_2_ssish_addr;
+       s32 ssish_2_mcu_addr;
 };
 
 /**