diff mbox series

[v1,09/15] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul

Message ID 1556027045-5269-10-git-send-email-yibin.gong@nxp.com (mailing list archive)
State Superseded
Headers show
Series add ecspi ERR009165 for i.mx6/7 soc family | expand

Commit Message

Robin Gong April 23, 2019, 1:51 p.m. UTC 
ECSPI issue fixed from i.mx6ul at hardware level, no need
ERR009165 anymore on those chips such as i.mx8mq. Add i.mx6sx
from where i.mx6ul source.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
---
 drivers/dma/imx-sdma.c | 43 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

Comments

Fabio Estevam April 23, 2019, 2:12 p.m. UTC | #1 
On Tue, Apr 23, 2019 at 10:51 AM Robin Gong <yibin.gong@nxp.com> wrote:
>
> ECSPI issue fixed from i.mx6ul at hardware level, no need
> ERR009165 anymore on those chips such as i.mx8mq. Add i.mx6sx
> from where i.mx6ul source.
>
> Signed-off-by: Robin Gong <yibin.gong@nxp.com>
> ---
>  drivers/dma/imx-sdma.c | 43 ++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 42 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index 1e20470..99c44a5 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -419,6 +419,7 @@ struct sdma_driver_data {
>         int num_events;
>         struct sdma_script_start_addrs  *script_addrs;
>         bool check_ratio;
> +       bool ecspi_fixed;

Please state the erratum number in the variable name, such as
has_err009165_fixed
diff mbox series

Patch

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 1e20470..99c44a5 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -419,6 +419,7 @@  struct sdma_driver_data {
 	int num_events;
 	struct sdma_script_start_addrs	*script_addrs;
 	bool check_ratio;
+	bool ecspi_fixed;
 };
 
 struct sdma_engine {
@@ -539,6 +540,31 @@  static struct sdma_driver_data sdma_imx6q = {
 	.script_addrs = &sdma_script_imx6q,
 };
 
+static struct sdma_script_start_addrs sdma_script_imx6sx = {
+	.ap_2_ap_addr = 642,
+	.uart_2_mcu_addr = 817,
+	.mcu_2_app_addr = 747,
+	.uartsh_2_mcu_addr = 1032,
+	.mcu_2_shp_addr = 960,
+	.app_2_mcu_addr = 683,
+	.shp_2_mcu_addr = 891,
+	.spdif_2_mcu_addr = 1100,
+	.mcu_2_spdif_addr = 1134,
+};
+
+static struct sdma_driver_data sdma_imx6sx = {
+	.chnenbl0 = SDMA_CHNENBL0_IMX35,
+	.num_events = 48,
+	.script_addrs = &sdma_script_imx6sx,
+};
+
+static struct sdma_driver_data sdma_imx6ul = {
+	.chnenbl0 = SDMA_CHNENBL0_IMX35,
+	.num_events = 48,
+	.script_addrs = &sdma_script_imx6sx,
+	.ecspi_fixed = true,
+};
+
 static struct sdma_script_start_addrs sdma_script_imx7d = {
 	.ap_2_ap_addr = 644,
 	.uart_2_mcu_addr = 819,
@@ -562,6 +588,7 @@  static struct sdma_driver_data sdma_imx8mq = {
 	.num_events = 48,
 	.script_addrs = &sdma_script_imx7d,
 	.check_ratio = 1,
+	.ecspi_fixed = true,
 };
 
 static const struct platform_device_id sdma_devtypes[] = {
@@ -584,9 +611,15 @@  static const struct platform_device_id sdma_devtypes[] = {
 		.name = "imx6q-sdma",
 		.driver_data = (unsigned long)&sdma_imx6q,
 	}, {
+		.name = "imx6sx-sdma",
+		.driver_data = (unsigned long)&sdma_imx6sx,
+	}, {
 		.name = "imx7d-sdma",
 		.driver_data = (unsigned long)&sdma_imx7d,
 	}, {
+		.name = "imx6ul-sdma",
+		.driver_data = (unsigned long)&sdma_imx6ul,
+	}, {
 		.name = "imx8mq-sdma",
 		.driver_data = (unsigned long)&sdma_imx8mq,
 	}, {
@@ -602,7 +635,9 @@  static const struct of_device_id sdma_dt_ids[] = {
 	{ .compatible = "fsl,imx35-sdma", .data = &sdma_imx35, },
 	{ .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, },
 	{ .compatible = "fsl,imx25-sdma", .data = &sdma_imx25, },
+	{ .compatible = "fsl,imx6sx-sdma", .data = &sdma_imx6sx, },
 	{ .compatible = "fsl,imx7d-sdma", .data = &sdma_imx7d, },
+	{ .compatible = "fsl,imx6ul-sdma", .data = &sdma_imx6ul, },
 	{ .compatible = "fsl,imx8mq-sdma", .data = &sdma_imx8mq, },
 	{ /* sentinel */ }
 };
@@ -1167,8 +1202,14 @@  static int sdma_config_channel(struct dma_chan *chan)
 			if (sdmac->peripheral_type == IMX_DMATYPE_ASRC_SP ||
 			    sdmac->peripheral_type == IMX_DMATYPE_ASRC)
 				sdma_set_watermarklevel_for_p2p(sdmac);
-		} else
+		} else {
+			/* ERR009165 fixed from i.mx6ul, no errata need */
+			if (sdmac->peripheral_type == IMX_DMATYPE_CSPI &&
+			    sdmac->direction == DMA_MEM_TO_DEV &&
+			    sdmac->sdma->drvdata->ecspi_fixed)
+				__set_bit(31, &sdmac->watermark_level);
 			__set_bit(sdmac->event_id0, sdmac->event_mask);
+		}
 
 		/* Address */
 		sdmac->shp_addr = sdmac->per_address;