[PATCH 3/6] stm32mp: cmd_stm32key: add support of remoteproc firmware encryption key

[Patrice Chotard]

From: Thomas Bourgoin <thomas.bourgoin at foss.st.com>

Add support of RPROC-FW-KEY for STM32MP25, STM32MP23 and STM32MP21.

Signed-off-by: Thomas Bourgoin <thomas.bourgoin at foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
---
 arch/arm/mach-stm32mp/cmd_stm32key.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-stm32mp/cmd_stm32key.c b/arch/arm/mach-stm32mp/cmd_stm32key.c
index cd539a626d1..7a82152faf3 100644
--- a/arch/arm/mach-stm32mp/cmd_stm32key.c
+++ b/arch/arm/mach-stm32mp/cmd_stm32key.c
@@ -93,6 +93,13 @@ const struct stm32key stm32mp21_list[] = {
 		.start = 260,
 		.size = 8,
 	},
+	{
+		.name = "RPROC-FW-ENC-KEY",
+		.desc = "Encryption/Decryption Key for remote processor firmware",
+		.start = 332,
+		.size = 8,
+		.key_format = format2,
+	},
 	{
 		.name = "EDMK1-128b",
 		.desc = "Encryption/Decryption Master 128b Key for FSBLA or M",
@@ -141,6 +148,13 @@ const struct stm32key stm32mp2x_list[] = {
 		.start = 260,
 		.size = 8,
 	},
+	{
+		.name = "RPROC-FW-ENC-KEY",
+		.desc = "Encryption/Decryption Key for remote processor firmware",
+		.start = 336,
+		.size = 8,
+		.key_format = format2,
+	},
 	{
 		.name = "EDMK1",
 		.desc = "Encryption/Decryption Master Key for FSBLA or M",
@@ -284,7 +298,7 @@ static u32 format1(u32 value)
 	return __be32_to_cpu(value);
 }
 
-static u32 __maybe_unused format2(u32 value)
+static u32 format2(u32 value)
 {
 	return __le32_to_cpu(value);
 }

-- 
2.43.0