[PATCH 2/2] remoteproc: imx_rproc: support i.MX93

From: Peng Fan (OSS)
Date: Wed Apr 27 2022 - 05:21:19 EST


From: Peng Fan <peng.fan@xxxxxxx>

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@xxxxxxx>
---
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