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From:   "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To:     ohad@wizery.com, bjorn.andersson@linaro.org,
        mathieu.poirier@linaro.org, o.rempel@pengutronix.de
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        linux-remoteproc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Peng Fan <peng.fan@nxp.com>
Subject: [PATCH 2/2] remoteproc: imx_rproc: support i.MX8ULP
Date:   Fri,  4 Jun 2021 15:23:11 +0800
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From: Peng Fan <peng.fan@nxp.com>

i.MX8ULP is a new SoC with Ultra low power support, it has a Cortex-M33
core and two Cortex-A35 cores. We need to add new configuration because
it could not reuse the previous i.MX7/8 configuration.

i.MX8ULP M33 core is kicked by ROM, it is not under control of A35 core.
So need to mark the method is IMX_RPROC_NONE.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/remoteproc/imx_rproc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 7cc0cadea1cc..d88f76f5305e 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -172,6 +172,12 @@ static const struct imx_rproc_att imx_rproc_att_imx8mq[] = {
 	{ 0x40000000, 0x40000000, 0x80000000, 0 },
 };
 
+static const struct imx_rproc_att imx_rproc_att_imx8ulp[] = {
+	{0x1FFC0000, 0x1FFC0000, 0xC0000, ATT_OWN},
+	{0x21000000, 0x21000000, 0x10000, ATT_OWN},
+	{0x80000000, 0x80000000, 0x60000000, 0}
+};
+
 static const struct imx_rproc_att imx_rproc_att_imx7ulp[] = {
 	{0x1FFD0000, 0x1FFD0000, 0x30000, ATT_OWN},
 	{0x20000000, 0x20000000, 0x10000, ATT_OWN},
@@ -246,6 +252,12 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = {
 	.method		= IMX_RPROC_MMIO,
 };
 
+static const struct imx_rproc_dcfg imx_rproc_cfg_imx8ulp = {
+	.att		= imx_rproc_att_imx8ulp,
+	.att_size	= ARRAY_SIZE(imx_rproc_att_imx8ulp),
+	.method		= IMX_RPROC_NONE,
+};
+
 static const struct imx_rproc_dcfg imx_rproc_cfg_imx7ulp = {
 	.att		= imx_rproc_att_imx7ulp,
 	.att_size	= ARRAY_SIZE(imx_rproc_att_imx7ulp),
@@ -824,6 +836,7 @@ static const struct of_device_id imx_rproc_of_match[] = {
 	{ .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 },
+	{ .compatible = "fsl,imx8ulp-cm33", .data = &imx_rproc_cfg_imx8ulp },
 	{},
 };
 MODULE_DEVICE_TABLE(of, imx_rproc_of_match);
-- 
2.30.0