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authorJacky Bai <ping.bai@nxp.com>2020-03-27 20:28:19 +0800
committerJacky Bai <ping.bai@nxp.com>2020-03-27 20:52:50 +0800
commitbd5f9fbc6b1fc9dd1f15c72e9a92195825c0f1ba (patch)
tree30bf0a74eb4dbb4478cc26d79a716d6f2f881256 /plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c
parent6fb60390abd1329e360953b835e82c9a50c042fc (diff)
plat: imx8mp: Enable BL32 fdt overlay support on imx8mp
Allow OP-TEE to generate a device-tree overlay binary that will be applied by u-boot on the regular dtb. Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Diffstat (limited to 'plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c')
-rw-r--r--plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c b/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c
index d5c4a38e..d26d342d 100644
--- a/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mp/imx8mp_bl31_setup.c
@@ -165,14 +165,19 @@ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
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();