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 8/8] remoteproc: imx_rproc: support i.MX8MN/P Date: Thu, 8 Apr 2021 09:54:58 +0800 [thread overview] Message-ID: <1617846898-13662-9-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> Add i.MX8MN/P remote processor(Cortex-M7) support, we are using ARM SMCCC to start/stop M core, not using regmap interface. Signed-off-by: Peng Fan <peng.fan@nxp.com> --- drivers/remoteproc/imx_rproc.c | 89 +++++++++++++++++++++++++++++++--- 1 file changed, 82 insertions(+), 7 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index b911a7539897..9351626f09c0 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -3,6 +3,7 @@ * Copyright (c) 2017 Pengutronix, Oleksij Rempel <kernel@pengutronix.de> */ +#include <linux/arm-smccc.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/interrupt.h> @@ -50,6 +51,11 @@ #define IMX_RPROC_MEM_MAX 32 +#define IMX_SIP_RPROC 0xC2000005 +#define IMX_SIP_RPROC_START 0x00 +#define IMX_SIP_RPROC_STARTED 0x01 +#define IMX_SIP_RPROC_STOP 0x02 + /** * struct imx_rproc_mem - slim internal memory structure * @cpu_addr: MPU virtual address of the memory region @@ -119,6 +125,36 @@ struct imx_rproc { enum imx_rproc_mode mode; }; +static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { + /* dev addr , sys addr , size , flags */ + /* ITCM */ + { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN }, + /* OCRAM_S */ + { 0x00180000, 0x00180000, 0x00009000, 0 }, + /* OCRAM */ + { 0x00900000, 0x00900000, 0x00020000, 0 }, + /* OCRAM */ + { 0x00920000, 0x00920000, 0x00020000, 0 }, + /* OCRAM */ + { 0x00940000, 0x00940000, 0x00050000, 0 }, + /* QSPI Code - alias */ + { 0x08000000, 0x08000000, 0x08000000, 0 }, + /* DDR (Code) - alias */ + { 0x10000000, 0x40000000, 0x0FFE0000, 0 }, + /* DTCM */ + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + /* OCRAM_S - alias */ + { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, + /* OCRAM */ + { 0x20200000, 0x00900000, 0x00020000, ATT_OWN }, + /* OCRAM */ + { 0x20220000, 0x00920000, 0x00020000, ATT_OWN }, + /* OCRAM */ + { 0x20240000, 0x00940000, 0x00040000, ATT_OWN }, + /* DDR (Data) */ + { 0x40000000, 0x40000000, 0x80000000, 0 }, +}; + static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* dev addr , sys addr , size , flags */ /* TCML - alias */ @@ -205,6 +241,12 @@ static const struct imx_rproc_att imx_rproc_att_imx6sx[] = { { 0x80000000, 0x80000000, 0x60000000, 0 }, }; +static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mn = { + .att = imx_rproc_att_imx8mn, + .att_size = ARRAY_SIZE(imx_rproc_att_imx8mn), + .method = IMX_RPROC_SMC, +}; + static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .src_reg = IMX7D_SRC_SCR, .src_mask = IMX7D_M4_RST_MASK, @@ -246,12 +288,24 @@ static int imx_rproc_start(struct rproc *rproc) struct imx_rproc *priv = rproc->priv; const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; - ret = regmap_update_bits(priv->regmap, dcfg->src_reg, - dcfg->src_mask, dcfg->src_start); + switch (dcfg->method) { + case IMX_RPROC_MMIO: + ret = regmap_update_bits(priv->regmap, dcfg->src_reg, dcfg->src_mask, + dcfg->src_start); + break; + case IMX_RPROC_SMC: + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_START, 0, 0, 0, 0, 0, 0, &res); + ret = res.a0; + break; + default: + return -EOPNOTSUPP; + } + if (ret) - dev_err(dev, "Failed to enable M4!\n"); + dev_err(dev, "Failed to enable remote cores!\n"); return ret; } @@ -261,12 +315,26 @@ static int imx_rproc_stop(struct rproc *rproc) struct imx_rproc *priv = rproc->priv; const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; - ret = regmap_update_bits(priv->regmap, dcfg->src_reg, - dcfg->src_mask, dcfg->src_stop); + switch (dcfg->method) { + case IMX_RPROC_MMIO: + ret = regmap_update_bits(priv->regmap, dcfg->src_reg, dcfg->src_mask, + dcfg->src_stop); + break; + case IMX_RPROC_SMC: + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_STOP, 0, 0, 0, 0, 0, 0, &res); + ret = res.a0; + if (res.a1) + dev_info(dev, "Not in wfi, force stopped\n"); + break; + default: + return -EOPNOTSUPP; + } + if (ret) - dev_err(dev, "Failed to stop M4!\n"); + dev_err(dev, "Failed to stop remote cores\n"); return ret; } @@ -600,6 +668,7 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) { const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; u32 val; @@ -616,8 +685,12 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) priv->mode = IMX_RPROC_EARLY_BOOT; } - if (dcfg->method == IMX_RPROC_NONE) + if (dcfg->method == IMX_RPROC_NONE) { priv->mode = IMX_RPROC_EARLY_BOOT; + } else if (dcfg->method == IMX_RPROC_SMC) { + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_STARTED, 0, 0, 0, 0, 0, 0, &res); + priv->mode = res.a0 ? IMX_RPROC_EARLY_BOOT : IMX_RPROC_NORMAL; + } if (priv->mode == IMX_RPROC_EARLY_BOOT) priv->rproc->state = RPROC_DETACHED; @@ -747,6 +820,8 @@ static const struct of_device_id imx_rproc_of_match[] = { { .compatible = "fsl,imx6sx-cm4", .data = &imx_rproc_cfg_imx6sx }, { .compatible = "fsl,imx8mq-cm4", .data = &imx_rproc_cfg_imx8mq }, { .compatible = "fsl,imx8mm-cm4", .data = &imx_rproc_cfg_imx8mq }, + { .compatible = "fsl,imx8mn-cm7", .data = &imx_rproc_cfg_imx8mn }, + { .compatible = "fsl,imx8mp-cm7", .data = &imx_rproc_cfg_imx8mn }, {}, }; MODULE_DEVICE_TABLE(of, imx_rproc_of_match); -- 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 8/8] remoteproc: imx_rproc: support i.MX8MN/P Date: Thu, 8 Apr 2021 09:54:58 +0800 [thread overview] Message-ID: <1617846898-13662-9-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> Add i.MX8MN/P remote processor(Cortex-M7) support, we are using ARM SMCCC to start/stop M core, not using regmap interface. Signed-off-by: Peng Fan <peng.fan@nxp.com> --- drivers/remoteproc/imx_rproc.c | 89 +++++++++++++++++++++++++++++++--- 1 file changed, 82 insertions(+), 7 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index b911a7539897..9351626f09c0 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -3,6 +3,7 @@ * Copyright (c) 2017 Pengutronix, Oleksij Rempel <kernel@pengutronix.de> */ +#include <linux/arm-smccc.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/interrupt.h> @@ -50,6 +51,11 @@ #define IMX_RPROC_MEM_MAX 32 +#define IMX_SIP_RPROC 0xC2000005 +#define IMX_SIP_RPROC_START 0x00 +#define IMX_SIP_RPROC_STARTED 0x01 +#define IMX_SIP_RPROC_STOP 0x02 + /** * struct imx_rproc_mem - slim internal memory structure * @cpu_addr: MPU virtual address of the memory region @@ -119,6 +125,36 @@ struct imx_rproc { enum imx_rproc_mode mode; }; +static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { + /* dev addr , sys addr , size , flags */ + /* ITCM */ + { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN }, + /* OCRAM_S */ + { 0x00180000, 0x00180000, 0x00009000, 0 }, + /* OCRAM */ + { 0x00900000, 0x00900000, 0x00020000, 0 }, + /* OCRAM */ + { 0x00920000, 0x00920000, 0x00020000, 0 }, + /* OCRAM */ + { 0x00940000, 0x00940000, 0x00050000, 0 }, + /* QSPI Code - alias */ + { 0x08000000, 0x08000000, 0x08000000, 0 }, + /* DDR (Code) - alias */ + { 0x10000000, 0x40000000, 0x0FFE0000, 0 }, + /* DTCM */ + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + /* OCRAM_S - alias */ + { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, + /* OCRAM */ + { 0x20200000, 0x00900000, 0x00020000, ATT_OWN }, + /* OCRAM */ + { 0x20220000, 0x00920000, 0x00020000, ATT_OWN }, + /* OCRAM */ + { 0x20240000, 0x00940000, 0x00040000, ATT_OWN }, + /* DDR (Data) */ + { 0x40000000, 0x40000000, 0x80000000, 0 }, +}; + static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* dev addr , sys addr , size , flags */ /* TCML - alias */ @@ -205,6 +241,12 @@ static const struct imx_rproc_att imx_rproc_att_imx6sx[] = { { 0x80000000, 0x80000000, 0x60000000, 0 }, }; +static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mn = { + .att = imx_rproc_att_imx8mn, + .att_size = ARRAY_SIZE(imx_rproc_att_imx8mn), + .method = IMX_RPROC_SMC, +}; + static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .src_reg = IMX7D_SRC_SCR, .src_mask = IMX7D_M4_RST_MASK, @@ -246,12 +288,24 @@ static int imx_rproc_start(struct rproc *rproc) struct imx_rproc *priv = rproc->priv; const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; - ret = regmap_update_bits(priv->regmap, dcfg->src_reg, - dcfg->src_mask, dcfg->src_start); + switch (dcfg->method) { + case IMX_RPROC_MMIO: + ret = regmap_update_bits(priv->regmap, dcfg->src_reg, dcfg->src_mask, + dcfg->src_start); + break; + case IMX_RPROC_SMC: + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_START, 0, 0, 0, 0, 0, 0, &res); + ret = res.a0; + break; + default: + return -EOPNOTSUPP; + } + if (ret) - dev_err(dev, "Failed to enable M4!\n"); + dev_err(dev, "Failed to enable remote cores!\n"); return ret; } @@ -261,12 +315,26 @@ static int imx_rproc_stop(struct rproc *rproc) struct imx_rproc *priv = rproc->priv; const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; - ret = regmap_update_bits(priv->regmap, dcfg->src_reg, - dcfg->src_mask, dcfg->src_stop); + switch (dcfg->method) { + case IMX_RPROC_MMIO: + ret = regmap_update_bits(priv->regmap, dcfg->src_reg, dcfg->src_mask, + dcfg->src_stop); + break; + case IMX_RPROC_SMC: + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_STOP, 0, 0, 0, 0, 0, 0, &res); + ret = res.a0; + if (res.a1) + dev_info(dev, "Not in wfi, force stopped\n"); + break; + default: + return -EOPNOTSUPP; + } + if (ret) - dev_err(dev, "Failed to stop M4!\n"); + dev_err(dev, "Failed to stop remote cores\n"); return ret; } @@ -600,6 +668,7 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) { const struct imx_rproc_dcfg *dcfg = priv->dcfg; struct device *dev = priv->dev; + struct arm_smccc_res res; int ret; u32 val; @@ -616,8 +685,12 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv) priv->mode = IMX_RPROC_EARLY_BOOT; } - if (dcfg->method == IMX_RPROC_NONE) + if (dcfg->method == IMX_RPROC_NONE) { priv->mode = IMX_RPROC_EARLY_BOOT; + } else if (dcfg->method == IMX_RPROC_SMC) { + arm_smccc_smc(IMX_SIP_RPROC, IMX_SIP_RPROC_STARTED, 0, 0, 0, 0, 0, 0, &res); + priv->mode = res.a0 ? IMX_RPROC_EARLY_BOOT : IMX_RPROC_NORMAL; + } if (priv->mode == IMX_RPROC_EARLY_BOOT) priv->rproc->state = RPROC_DETACHED; @@ -747,6 +820,8 @@ static const struct of_device_id imx_rproc_of_match[] = { { .compatible = "fsl,imx6sx-cm4", .data = &imx_rproc_cfg_imx6sx }, { .compatible = "fsl,imx8mq-cm4", .data = &imx_rproc_cfg_imx8mq }, { .compatible = "fsl,imx8mm-cm4", .data = &imx_rproc_cfg_imx8mq }, + { .compatible = "fsl,imx8mn-cm7", .data = &imx_rproc_cfg_imx8mn }, + { .compatible = "fsl,imx8mp-cm7", .data = &imx_rproc_cfg_imx8mn }, {}, }; MODULE_DEVICE_TABLE(of, imx_rproc_of_match); -- 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 ` [PATCH V3 5/8] remoteproc: imx_rproc: parse fsl,auto-boot peng.fan 2021-04-08 1:54 ` 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 ` peng.fan [this message] 2021-04-08 1:54 ` [PATCH V3 8/8] remoteproc: imx_rproc: support i.MX8MN/P 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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