feat(stm32mp2): add BL31 device tree support
BL31 will need to access a device tree for several configurations (UART,
GIC, OTP mapping...).
Create a BL31 device tree (SOC_FW_CONFIG). It is loaded in DDR, in a
spare area.
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Signed-off-by: Maxime Méré <maxime.mere@foss.st.com>
Change-Id: I320a05859e1aa3dd8db9a274e7201075a8c250c2
diff --git a/fdts/stm32mp25-bl2.dtsi b/fdts/stm32mp25-bl2.dtsi
index e250e3f..e6662d0 100644
--- a/fdts/stm32mp25-bl2.dtsi
+++ b/fdts/stm32mp25-bl2.dtsi
@@ -31,6 +31,7 @@
bl32_extra2_uuid = "8ea87bb1-cfa2-3f4d-85fd-e7bba50220d9";
bl33_uuid = "d6d0eea7-fcea-d54b-9782-9934f234b6e4";
hw_cfg_uuid = "08b8f1d9-c9cf-9349-a962-6fbc6b7265cc";
+ soc_fw_cfg_uuid = "9979814b-0376-fb46-8c8e-8d267f7859e0";
tos_fw_cfg_uuid = "26257c1a-dbc6-7f47-8d96-c4c4b0248021";
nt_fw_cfg_uuid = "28da9815-93e8-7e44-ac66-1aaf801550f9";
};
diff --git a/fdts/stm32mp25-bl31.dtsi b/fdts/stm32mp25-bl31.dtsi
new file mode 100644
index 0000000..fa63f63
--- /dev/null
+++ b/fdts/stm32mp25-bl31.dtsi
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
+/*
+ * Copyright (C) 2024, STMicroelectronics - All Rights Reserved
+ */
+
+/ {
+ soc@0 {
+ rifsc@42080000 {
+ /delete-node/ mmc@48220000;
+ /delete-node/ mmc@48230000;
+ };
+ };
+};
diff --git a/fdts/stm32mp25-fw-config.dtsi b/fdts/stm32mp25-fw-config.dtsi
index 102980d..2f83f24 100644
--- a/fdts/stm32mp25-fw-config.dtsi
+++ b/fdts/stm32mp25-fw-config.dtsi
@@ -31,6 +31,10 @@
id = <BL31_IMAGE_ID>;
};
+ soc_fw-config {
+ id = <SOC_FW_CONFIG_ID>;
+ };
+
tos_fw {
id = <BL32_IMAGE_ID>;
};
diff --git a/fdts/stm32mp257f-ev1-ca35tdcid-fw-config.dtsi b/fdts/stm32mp257f-ev1-ca35tdcid-fw-config.dtsi
index e41c6b9..5bfcf8d 100644
--- a/fdts/stm32mp257f-ev1-ca35tdcid-fw-config.dtsi
+++ b/fdts/stm32mp257f-ev1-ca35tdcid-fw-config.dtsi
@@ -11,6 +11,10 @@
/ {
dtb-registry {
+ soc_fw-config {
+ load-address = <0x0 0x81ff0000>;
+ max-size = <0x10000>;
+ };
tos_fw {
load-address = <0x0 0x82000000>;
max-size = <0x2000000>;