From cedd7aece6a3566f61e39cbee9ceeaea3f34cfd1 Mon Sep 17 00:00:00 2001 From: Robin Gong Date: Thu, 28 Mar 2019 16:36:12 +0800 Subject: [PATCH 1/2] dma: engine: imx-sdma: add mcu_2_ecspi script Add mcu_2_ecspi script to fix ecspi errata ERR009165. Signed-off-by: Robin Gong --- drivers/dma/imx-sdma.c | 3 +++ include/linux/platform_data/dma-imx-sdma.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 7fae4bf..1f1ce7c 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -908,6 +908,9 @@ static void sdma_get_pc(struct sdma_channel *sdmac, emi_2_per = sdma->script_addrs->mcu_2_ata_addr; break; case IMX_DMATYPE_CSPI: + per_2_emi = sdma->script_addrs->app_2_mcu_addr; + emi_2_per = sdma->script_addrs->mcu_2_ecspi_addr; + break; case IMX_DMATYPE_EXT: case IMX_DMATYPE_SSI: case IMX_DMATYPE_SAI: diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h index 6eaa53c..f794fee 100644 --- a/include/linux/platform_data/dma-imx-sdma.h +++ b/include/linux/platform_data/dma-imx-sdma.h @@ -51,6 +51,7 @@ struct sdma_script_start_addrs { /* End of v2 array */ s32 zcanfd_2_mcu_addr; s32 zqspi_2_mcu_addr; + s32 mcu_2_ecspi_addr; /* End of v3 array */ }; -- 2.7.4