ARM: dts: rmobile: Disable RPC HF by default

The RPC HF might be locked by ATF, and any access to its register
space would result in complete hang. Disable the RPC HF by default.
The ATF should be patched to set RPC node status = "okay" in the DT
fragment it passes to U-Boot in case the RPC HF access is unlocked,
and that way U-Boot could access the RPC HF safely.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

diff --git a/arch/arm/dts/r8a77950-salvator-x-u-boot.dts b/arch/arm/dts/r8a77950-salvator-x-u-boot.dts
index bb83bc1..d94ad91 100644 (file)
--- a/arch/arm/dts/r8a77950-salvator-x-u-boot.dts
+++ b/arch/arm/dts/r8a77950-salvator-x-u-boot.dts
@@ -27,7 +27,7 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };
 
 &sdhi0 {

diff --git a/arch/arm/dts/r8a77950-ulcb-u-boot.dts b/arch/arm/dts/r8a77950-ulcb-u-boot.dts
index 16d9e38..ff00ccd 100644 (file)
--- a/arch/arm/dts/r8a77950-ulcb-u-boot.dts
+++ b/arch/arm/dts/r8a77950-ulcb-u-boot.dts
@@ -39,7 +39,7 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };
 
 &sdhi0 {

diff --git a/arch/arm/dts/r8a77960-salvator-x-u-boot.dts b/arch/arm/dts/r8a77960-salvator-x-u-boot.dts
index dda3567..79a54f3 100644 (file)
--- a/arch/arm/dts/r8a77960-salvator-x-u-boot.dts
+++ b/arch/arm/dts/r8a77960-salvator-x-u-boot.dts
@@ -27,7 +27,7 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };
 
 &sdhi0 {

diff --git a/arch/arm/dts/r8a77960-ulcb-u-boot.dts b/arch/arm/dts/r8a77960-ulcb-u-boot.dts
index e4f77ae..1e9e8b8 100644 (file)
--- a/arch/arm/dts/r8a77960-ulcb-u-boot.dts
+++ b/arch/arm/dts/r8a77960-ulcb-u-boot.dts
@@ -39,7 +39,7 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };
 
 &sdhi0 {

diff --git a/arch/arm/dts/r8a77965-salvator-x-u-boot.dts b/arch/arm/dts/r8a77965-salvator-x-u-boot.dts
index e651e88..4272ecc 100644 (file)
--- a/arch/arm/dts/r8a77965-salvator-x-u-boot.dts
+++ b/arch/arm/dts/r8a77965-salvator-x-u-boot.dts
@@ -27,7 +27,7 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };
 
 &sdhi0 {

diff --git a/arch/arm/dts/r8a77965-ulcb-u-boot.dts b/arch/arm/dts/r8a77965-ulcb-u-boot.dts
index 3574d6d..d9c680b 100644 (file)
--- a/arch/arm/dts/r8a77965-ulcb-u-boot.dts
+++ b/arch/arm/dts/r8a77965-ulcb-u-boot.dts
@@ -39,7 +39,7 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };
 
 &sdhi0 {

diff --git a/arch/arm/dts/r8a77990-ebisu-u-boot.dts b/arch/arm/dts/r8a77990-ebisu-u-boot.dts
index 7022a2b..55699ba 100644 (file)
--- a/arch/arm/dts/r8a77990-ebisu-u-boot.dts
+++ b/arch/arm/dts/r8a77990-ebisu-u-boot.dts
@@ -43,7 +43,7 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };
 
 &sdhi0 {

diff --git a/arch/arm/dts/r8a77995-draak-u-boot.dts b/arch/arm/dts/r8a77995-draak-u-boot.dts
index 10fb9cb..0ea2570 100644 (file)
--- a/arch/arm/dts/r8a77995-draak-u-boot.dts
+++ b/arch/arm/dts/r8a77995-draak-u-boot.dts
@@ -10,5 +10,5 @@
 
 &rpc {
        reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
-       status = "okay";
+       status = "disabled";
 };