linux-kernel - [PATCH 2/2] remoteproc: imx

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Message-Id: <20220427092054.3765690-3-peng.fan@oss.nxp.com>
Date:   Wed, 27 Apr 2022 17:20:54 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     bjorn.andersson@...aro.org, mathieu.poirier@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Peng Fan <peng.fan@....com>
Subject: [PATCH 2/2] remoteproc: imx_rproc: support i.MX93

From: Peng Fan <peng.fan@....com>

i.MX93 features a Cortex-M33 core which could be kicked by ROM/Bootloader
/Linux. Similar with i.MX8MN/P, we use SMC to trap into Arm Trusted
Firmware to start/stop the M33 core.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/imx_rproc.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 91eb037089ef..4a3352821b1d 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -91,6 +91,32 @@ struct imx_rproc {
 	void __iomem			*rsc_table;
 };
 
+static const struct imx_rproc_att imx_rproc_att_imx93[] = {
+	/* dev addr , sys addr  , size	    , flags */
+	/* TCM CODE NON-SECURE */
+	{ 0x0FFC0000, 0x201C0000, 0x00020000, ATT_OWN | ATT_IOMEM },
+	{ 0x0FFE0000, 0x201E0000, 0x00020000, ATT_OWN | ATT_IOMEM },
+
+	/* TCM CODE SECURE */
+	{ 0x1FFC0000, 0x201C0000, 0x00020000, ATT_OWN | ATT_IOMEM },
+	{ 0x1FFE0000, 0x201E0000, 0x00020000, ATT_OWN | ATT_IOMEM },
+
+	/* TCM SYS NON-SECURE*/
+	{ 0x20000000, 0x20200000, 0x00020000, ATT_OWN | ATT_IOMEM },
+	{ 0x20020000, 0x20220000, 0x00020000, ATT_OWN | ATT_IOMEM },
+
+	/* TCM SYS SECURE*/
+	{ 0x30000000, 0x20200000, 0x00020000, ATT_OWN | ATT_IOMEM },
+	{ 0x30020000, 0x20220000, 0x00020000, ATT_OWN | ATT_IOMEM },
+
+	/* DDR */
+	{ 0x80000000, 0x80000000, 0x10000000, 0 },
+	{ 0x90000000, 0x80000000, 0x10000000, 0 },
+
+	{ 0xC0000000, 0xa0000000, 0x10000000, 0 },
+	{ 0xD0000000, 0xa0000000, 0x10000000, 0 },
+};
+
 static const struct imx_rproc_att imx_rproc_att_imx8mn[] = {
 	/* dev addr , sys addr  , size	    , flags */
 	/* ITCM   */
@@ -261,6 +287,12 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = {
 	.method		= IMX_RPROC_MMIO,
 };
 
+static const struct imx_rproc_dcfg imx_rproc_cfg_imx93 = {
+	.att		= imx_rproc_att_imx93,
+	.att_size	= ARRAY_SIZE(imx_rproc_att_imx93),
+	.method		= IMX_RPROC_SMC,
+};
+
 static int imx_rproc_start(struct rproc *rproc)
 {
 	struct imx_rproc *priv = rproc->priv;
@@ -824,6 +856,7 @@ static const struct of_device_id imx_rproc_of_match[] = {
 	{ .compatible = "fsl,imx8mn-cm7", .data = &imx_rproc_cfg_imx8mn },
 	{ .compatible = "fsl,imx8mp-cm7", .data = &imx_rproc_cfg_imx8mn },
 	{ .compatible = "fsl,imx8ulp-cm33", .data = &imx_rproc_cfg_imx8ulp },
+	{ .compatible = "fsl,imx93-cm33", .data = &imx_rproc_cfg_imx93 },
 	{},
 };
 MODULE_DEVICE_TABLE(of, imx_rproc_of_match);
-- 
2.25.1