From: peng.fan@oss.nxp.com To: ohad@wizery.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, o.rempel@pengutronix.de, robh+dt@kernel.org, devicetree@vger.kernel.org Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan <peng.fan@nxp.com> Subject: [PATCH V3 5/8] remoteproc: imx_rproc: parse fsl,auto-boot Date: Thu, 8 Apr 2021 09:54:55 +0800 [thread overview] Message-ID: <1617846898-13662-6-git-send-email-peng.fan@oss.nxp.com> (raw) In-Reply-To: <1617846898-13662-1-git-send-email-peng.fan@oss.nxp.com> From: Peng Fan <peng.fan@nxp.com> Parse fsl,auto-boot to indicate whether need remoteproc framework auto boot or not. When remote processor is booted before Linux Kernel up, do not parse fsl,auto-boot. So add an entry to store the working mode of remote processor. Currently only IMX_RPROC_NORMAL, IMX_RPROC_EARLY_BOOT. Signed-off-by: Peng Fan <peng.fan@nxp.com> --- drivers/remoteproc/imx_rproc.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index ca17f520d904..c576e12d3817 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -83,6 +83,16 @@ struct imx_rproc_dcfg { size_t att_size; }; +enum imx_rproc_mode { + /* Linux load/kick remote core */ + IMX_RPROC_NORMAL, + /* + * remote core booted before kicking Linux, and remote core + * could be stopped & restarted by Linux + */ + IMX_RPROC_EARLY_BOOT, +}; + struct imx_rproc { struct device *dev; struct regmap *regmap; @@ -96,6 +106,7 @@ struct imx_rproc { struct work_struct rproc_work; struct workqueue_struct *workqueue; void __iomem *rsc_table; + enum imx_rproc_mode mode; }; static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { @@ -565,14 +576,18 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) int ret; u32 val; + priv->mode = IMX_RPROC_NORMAL; + ret = regmap_read(priv->regmap, dcfg->src_reg, &val); if (ret) { dev_err(dev, "Failed to read src\n"); return ret; } - if (!(val & dcfg->src_stop)) + if (!(val & dcfg->src_stop)) { + priv->mode = IMX_RPROC_EARLY_BOOT; priv->rproc->state = RPROC_DETACHED; + } return 0; } @@ -654,6 +669,9 @@ static int imx_rproc_probe(struct platform_device *pdev) INIT_WORK(&priv->rproc_work, imx_rproc_vq_work); + if (priv->mode == IMX_RPROC_NORMAL) + rproc->auto_boot = of_property_read_bool(np, "fsl,auto-boot"); + ret = rproc_add(rproc); if (ret) { dev_err(dev, "rproc_add failed\n"); -- 2.30.0
WARNING: multiple messages have this Message-ID (diff)
From: peng.fan@oss.nxp.com To: ohad@wizery.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, o.rempel@pengutronix.de, robh+dt@kernel.org, devicetree@vger.kernel.org Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan <peng.fan@nxp.com> Subject: [PATCH V3 5/8] remoteproc: imx_rproc: parse fsl,auto-boot Date: Thu, 8 Apr 2021 09:54:55 +0800 [thread overview] Message-ID: <1617846898-13662-6-git-send-email-peng.fan@oss.nxp.com> (raw) In-Reply-To: <1617846898-13662-1-git-send-email-peng.fan@oss.nxp.com> From: Peng Fan <peng.fan@nxp.com> Parse fsl,auto-boot to indicate whether need remoteproc framework auto boot or not. When remote processor is booted before Linux Kernel up, do not parse fsl,auto-boot. So add an entry to store the working mode of remote processor. Currently only IMX_RPROC_NORMAL, IMX_RPROC_EARLY_BOOT. Signed-off-by: Peng Fan <peng.fan@nxp.com> --- drivers/remoteproc/imx_rproc.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index ca17f520d904..c576e12d3817 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -83,6 +83,16 @@ struct imx_rproc_dcfg { size_t att_size; }; +enum imx_rproc_mode { + /* Linux load/kick remote core */ + IMX_RPROC_NORMAL, + /* + * remote core booted before kicking Linux, and remote core + * could be stopped & restarted by Linux + */ + IMX_RPROC_EARLY_BOOT, +}; + struct imx_rproc { struct device *dev; struct regmap *regmap; @@ -96,6 +106,7 @@ struct imx_rproc { struct work_struct rproc_work; struct workqueue_struct *workqueue; void __iomem *rsc_table; + enum imx_rproc_mode mode; }; static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { @@ -565,14 +576,18 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) int ret; u32 val; + priv->mode = IMX_RPROC_NORMAL; + ret = regmap_read(priv->regmap, dcfg->src_reg, &val); if (ret) { dev_err(dev, "Failed to read src\n"); return ret; } - if (!(val & dcfg->src_stop)) + if (!(val & dcfg->src_stop)) { + priv->mode = IMX_RPROC_EARLY_BOOT; priv->rproc->state = RPROC_DETACHED; + } return 0; } @@ -654,6 +669,9 @@ static int imx_rproc_probe(struct platform_device *pdev) INIT_WORK(&priv->rproc_work, imx_rproc_vq_work); + if (priv->mode == IMX_RPROC_NORMAL) + rproc->auto_boot = of_property_read_bool(np, "fsl,auto-boot"); + ret = rproc_add(rproc); if (ret) { dev_err(dev, "rproc_add failed\n"); -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-04-08 2:10 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-08 1:54 [PATCH V3 0/8] remoteproc: imx_rproc: support i.MX7ULP/8MN/8MP peng.fan 2021-04-08 1:54 ` peng.fan 2021-04-08 1:54 ` [PATCH V3 1/8] dt-bindings: remoteproc: imx_rproc: add fsl,auto-boot property peng.fan 2021-04-08 1:54 ` [PATCH V3 1/8] dt-bindings: remoteproc: imx_rproc: add fsl, auto-boot property peng.fan 2021-04-08 1:54 ` [PATCH V3 2/8] dt-bindings: remoteproc: imx_rproc: add i.MX7ULP support peng.fan 2021-04-08 1:54 ` peng.fan 2021-04-13 16:55 ` Mathieu Poirier 2021-04-13 16:55 ` Mathieu Poirier 2021-04-08 1:54 ` [PATCH V3 3/8] dt-bindings: remoteproc: imx_rproc: support i.MX8MN/P peng.fan 2021-04-08 1:54 ` peng.fan 2021-04-08 1:54 ` [PATCH V3 4/8] remoteproc: imx_rproc: make clk optional peng.fan 2021-04-08 1:54 ` peng.fan 2021-04-13 17:28 ` Mathieu Poirier 2021-04-13 17:28 ` Mathieu Poirier 2021-04-08 1:54 ` peng.fan [this message] 2021-04-08 1:54 ` [PATCH V3 5/8] remoteproc: imx_rproc: parse fsl,auto-boot peng.fan 2021-04-13 17:31 ` Mathieu Poirier 2021-04-13 17:31 ` Mathieu Poirier 2021-04-08 1:54 ` [PATCH V3 6/8] remoteproc: imx_rproc: initial support for mutilple start/stop method peng.fan 2021-04-08 1:54 ` peng.fan 2021-04-13 17:45 ` Mathieu Poirier 2021-04-13 17:45 ` Mathieu Poirier 2021-04-08 1:54 ` [PATCH V3 7/8] remoteproc: imx_rproc: support i.MX7ULP peng.fan 2021-04-08 1:54 ` peng.fan 2021-04-13 17:49 ` Mathieu Poirier 2021-04-13 17:49 ` Mathieu Poirier 2021-04-08 1:54 ` [PATCH V3 8/8] remoteproc: imx_rproc: support i.MX8MN/P peng.fan 2021-04-08 1:54 ` peng.fan 2021-04-13 17:52 ` Mathieu Poirier 2021-04-13 17:52 ` Mathieu Poirier 2021-04-15 13:47 ` Peng Fan (OSS) 2021-04-15 13:47 ` Peng Fan (OSS)
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