feat(imx8mn): enable optee fdt overlay support
Enable optee fdt overlay support.
Signed-off-by: Silvano di Ninno <silvano.dininno@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: Ibea052d35bf746475b8618b3a879eea80875333c
diff --git a/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c b/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c
index 7e3a0b6..8147792 100644
--- a/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c
@@ -160,14 +160,19 @@
bl32_image_ep_info.pc = BL32_BASE;
bl32_image_ep_info.spsr = 0;
+ /* Pass TEE base and size to bl33 */
+ bl33_image_ep_info.args.arg1 = BL32_BASE;
+ bl33_image_ep_info.args.arg2 = BL32_SIZE;
+
#ifdef SPD_trusty
bl32_image_ep_info.args.arg0 = BL32_SIZE;
bl32_image_ep_info.args.arg1 = BL32_BASE;
+#else
+ /* Make sure memory is clean */
+ mmio_write_32(BL32_FDT_OVERLAY_ADDR, 0);
+ bl33_image_ep_info.args.arg3 = BL32_FDT_OVERLAY_ADDR;
+ bl32_image_ep_info.args.arg3 = BL32_FDT_OVERLAY_ADDR;
#endif
-
- /* Pass TEE base and size to bl33 */
- bl33_image_ep_info.args.arg1 = BL32_BASE;
- bl33_image_ep_info.args.arg2 = BL32_SIZE;
#endif
bl31_tzc380_setup();
diff --git a/plat/imx/imx8m/imx8mn/include/platform_def.h b/plat/imx/imx8m/imx8mn/include/platform_def.h
index 9c46d8d..8d39ea6 100644
--- a/plat/imx/imx8m/imx8mn/include/platform_def.h
+++ b/plat/imx/imx8m/imx8mn/include/platform_def.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2020 NXP
+ * Copyright 2020-2022 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -45,6 +45,8 @@
/* non-secure uboot base */
#define PLAT_NS_IMAGE_OFFSET U(0x40200000)
+#define BL32_FDT_OVERLAY_ADDR (PLAT_NS_IMAGE_OFFSET + 0x3000000)
+
/* GICv3 base address */
#define PLAT_GICD_BASE U(0x38800000)
#define PLAT_GICR_BASE U(0x38880000)