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From: Robin Gong <yibin.gong@nxp.com>
To: mark.rutland@arm.com, broonie@kernel.org, robh+dt@kernel.org,
	catalin.marinas@arm.com, vkoul@kernel.org, will.deacon@arm.com,
	shawnguo@kernel.org, festevam@gmail.com, s.hauer@pengutronix.de,
	martin.fuzzey@flowbird.group, u.kleine-koenig@pengutronix.de,
	dan.j.williams@intel.com, matthias.schiffer@ew.tq-group.com
Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	kernel@pengutronix.de, dmaengine@vger.kernel.org,
	linux-imx@nxp.com
Subject: [PATCH v10 02/12] Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores"
Date: Tue, 30 Jun 2020 21:31:06 +0800	[thread overview]
Message-ID: <1593523876-22387-3-git-send-email-yibin.gong@nxp.com> (raw)
In-Reply-To: <1593523876-22387-1-git-send-email-yibin.gong@nxp.com>

There are two ways for SDMA accessing SPBA devices: one is SDMA->AIPS
->SPBA(masterA port), another is SDMA->SPBA(masterC port). Please refer
to the 'Figure 58-1. i.MX 6Dual/6Quad SPBA connectivity' of i.mx6DQ
Reference Manual. SDMA provide the corresponding app_2_mcu/mcu_2_app and
shp_2_mcu/mcu_2_shp script for such two options. So both AIPS and SPBA
scripts should keep the same behaviour, the issue only caught in AIPS
script sounds not solide.
The issue is more likely as the ecspi errata
ERR009165(http://www.nxp.com/docs/en/errata/IMX6DQCE.pdf):
eCSPI: TXFIFO empty flag glitch can cause the current FIFO transfer to
           be sent twice
So revert commit 'dd4b487b32a3' firstly.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/boot/dts/imx6qdl.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 346a52f..a8dedeb 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -327,7 +327,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI1>,
 						 <&clks IMX6QDL_CLK_ECSPI1>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 3 8 1>, <&sdma 4 8 2>;
+					dmas = <&sdma 3 7 1>, <&sdma 4 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
@@ -341,7 +341,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI2>,
 						 <&clks IMX6QDL_CLK_ECSPI2>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 5 8 1>, <&sdma 6 8 2>;
+					dmas = <&sdma 5 7 1>, <&sdma 6 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
@@ -355,7 +355,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI3>,
 						 <&clks IMX6QDL_CLK_ECSPI3>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 7 8 1>, <&sdma 8 8 2>;
+					dmas = <&sdma 7 7 1>, <&sdma 8 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
@@ -369,7 +369,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI4>,
 						 <&clks IMX6QDL_CLK_ECSPI4>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 9 8 1>, <&sdma 10 8 2>;
+					dmas = <&sdma 9 7 1>, <&sdma 10 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Robin Gong <yibin.gong@nxp.com>
To: mark.rutland@arm.com, broonie@kernel.org, robh+dt@kernel.org,
	catalin.marinas@arm.com, vkoul@kernel.org, will.deacon@arm.com,
	shawnguo@kernel.org, festevam@gmail.com, s.hauer@pengutronix.de,
	martin.fuzzey@flowbird.group, u.kleine-koenig@pengutronix.de,
	dan.j.williams@intel.com, matthias.schiffer@ew.tq-group.com
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-spi@vger.kernel.org, linux-imx@nxp.com,
	kernel@pengutronix.de, dmaengine@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v10 02/12] Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores"
Date: Tue, 30 Jun 2020 21:31:06 +0800	[thread overview]
Message-ID: <1593523876-22387-3-git-send-email-yibin.gong@nxp.com> (raw)
In-Reply-To: <1593523876-22387-1-git-send-email-yibin.gong@nxp.com>

There are two ways for SDMA accessing SPBA devices: one is SDMA->AIPS
->SPBA(masterA port), another is SDMA->SPBA(masterC port). Please refer
to the 'Figure 58-1. i.MX 6Dual/6Quad SPBA connectivity' of i.mx6DQ
Reference Manual. SDMA provide the corresponding app_2_mcu/mcu_2_app and
shp_2_mcu/mcu_2_shp script for such two options. So both AIPS and SPBA
scripts should keep the same behaviour, the issue only caught in AIPS
script sounds not solide.
The issue is more likely as the ecspi errata
ERR009165(http://www.nxp.com/docs/en/errata/IMX6DQCE.pdf):
eCSPI: TXFIFO empty flag glitch can cause the current FIFO transfer to
           be sent twice
So revert commit 'dd4b487b32a3' firstly.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/boot/dts/imx6qdl.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 346a52f..a8dedeb 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -327,7 +327,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI1>,
 						 <&clks IMX6QDL_CLK_ECSPI1>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 3 8 1>, <&sdma 4 8 2>;
+					dmas = <&sdma 3 7 1>, <&sdma 4 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
@@ -341,7 +341,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI2>,
 						 <&clks IMX6QDL_CLK_ECSPI2>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 5 8 1>, <&sdma 6 8 2>;
+					dmas = <&sdma 5 7 1>, <&sdma 6 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
@@ -355,7 +355,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI3>,
 						 <&clks IMX6QDL_CLK_ECSPI3>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 7 8 1>, <&sdma 8 8 2>;
+					dmas = <&sdma 7 7 1>, <&sdma 8 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
@@ -369,7 +369,7 @@
 					clocks = <&clks IMX6QDL_CLK_ECSPI4>,
 						 <&clks IMX6QDL_CLK_ECSPI4>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 9 8 1>, <&sdma 10 8 2>;
+					dmas = <&sdma 9 7 1>, <&sdma 10 7 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};
-- 
2.7.4


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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-06-30  5:24 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-30 13:31 [PATCH v10 00/12] add ecspi ERR009165 for i.mx6/7 soc family Robin Gong
2020-06-30 13:31 ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 01/12] Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core" Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` Robin Gong [this message]
2020-06-30 13:31   ` [PATCH v10 02/12] Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores" Robin Gong
2020-06-30 13:31 ` [PATCH v10 03/12] Revert "dmaengine: imx-sdma: refine to load context only once" Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 04/12] dmaengine: imx-sdma: remove duplicated sdma_load_context Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 05/12] dmaengine: dma: imx-sdma: add fw_loaded and is_ram_script Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-07-15  5:57   ` Vinod Koul
2020-07-15  5:57     ` Vinod Koul
2020-07-23  9:03   ` Frieder Schrempf
2020-07-23  9:03     ` Frieder Schrempf
2020-07-23 10:24     ` Robin Gong
2020-07-23 10:24       ` Robin Gong
2020-07-23 11:12       ` Robin Gong
2020-07-23 11:12         ` Robin Gong
2020-07-23 11:51         ` Frieder Schrempf
2020-07-23 11:51           ` Frieder Schrempf
2020-07-23 14:11           ` Robin Gong
2020-07-23 14:11             ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 06/12] dmaengine: imx-sdma: add mcu_2_ecspi script Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 07/12] spi: imx: fix ERR009165 Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 08/12] spi: imx: remove ERR009165 workaround on i.mx6ul Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 09/12] spi: imx: add new i.mx6ul compatible name in binding doc Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 10/12] dmaengine: imx-sdma: remove ERR009165 on i.mx6ul Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 11/12] dma: imx-sdma: add i.mx6ul compatible name Robin Gong
2020-06-30 13:31   ` Robin Gong
2020-06-30 13:31 ` [PATCH v10 12/12] dmaengine: imx-sdma: add uart rom script Robin Gong
2020-06-30 13:31   ` Robin Gong

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