diff mbox series

[V7,5/7] arm: dts: k3-am625-beagleplay: Package TIFS Stub

Message ID 20240725093546.4193107-6-d-gole@ti.com
State Superseded
Delegated to: Tom Rini
Headers show
Series Low Power Mode: Package TIFS Stub in BeaglePlay | expand

Commit Message

Dhruva Gole July 25, 2024, 9:35 a.m. UTC 
Add support for packaging the TIFS Stub as it's required for basic Low
Power Modes like Deep Sleep.
The reason it is packaged using binman and not inherently as part of the
DM firmware is because for HS devices, customer owns the customer key
and only customer has access to it.
DM is release by TI, Since TI doesn't have access to the customer key it
cannot have a component that is signed by customer key.
Hence, it's left as part of binman to be signed and packaged.

Acked-by: Neha Malcom Francis <n-francis@ti.com>
Signed-off-by: Dhruva Gole <d-gole@ti.com>
---
 arch/arm/dts/k3-am625-beagleplay-u-boot.dtsi | 33 +++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

Comments

Nishanth Menon July 25, 2024, 12:04 p.m. UTC | #1 
On 15:05-20240725, Dhruva Gole wrote:
> Add support for packaging the TIFS Stub as it's required for basic Low
> Power Modes like Deep Sleep.
> The reason it is packaged using binman and not inherently as part of the
> DM firmware is because for HS devices, customer owns the customer key
> and only customer has access to it.
> DM is release by TI, Since TI doesn't have access to the customer key it
> cannot have a component that is signed by customer key.
> Hence, it's left as part of binman to be signed and packaged.
> 
> Acked-by: Neha Malcom Francis <n-francis@ti.com>
> Signed-off-by: Dhruva Gole <d-gole@ti.com>

Reviewed-by: Nishanth Menon <nm@ti.com>
diff mbox series

Patch

diff --git a/arch/arm/dts/k3-am625-beagleplay-u-boot.dtsi b/arch/arm/dts/k3-am625-beagleplay-u-boot.dtsi
index 467cac68d0f6..a067b0ba3543 100644
--- a/arch/arm/dts/k3-am625-beagleplay-u-boot.dtsi
+++ b/arch/arm/dts/k3-am625-beagleplay-u-boot.dtsi
@@ -78,6 +78,23 @@ 
 		};
 	};
 
+	tifsstub-gp {
+		filename = "tifsstub.bin_gp";
+		ti-secure-rom {
+			content = <&tifsstub_gp>;
+			core = "secure";
+			load = <0x60000>;
+			sw-rev = <CONFIG_K3_X509_SWRV>;
+			keyfile = "ti-degenerate-key.pem";
+			tifsstub;
+		};
+		tifsstub_gp: tifsstub-gp.bin {
+			filename = "ti-sysfw/ti-fs-stub-firmware-am62x-gp.bin";
+			type = "blob-ext";
+			optional;
+		};
+	};
+
 	ti-spl_unsigned {
 		filename = "tispl.bin_unsigned";
 		symlink = "tispl.bin";
@@ -115,6 +132,19 @@ 
 					};
 				};
 
+				tifsstub-gp {
+					description = "tifsstub";
+					type = "firmware";
+					arch = "arm32";
+					compression = "none";
+					os = "tifsstub-gp";
+					load = <0x9dc00000>;
+					entry = <0x9dc00000>;
+					blob-ext {
+						filename = "tifsstub.bin_gp";
+					};
+				};
+
 				dm {
 					description = "DM binary";
 					type = "firmware";
@@ -158,7 +188,8 @@ 
 				conf-0 {
 					description = "k3-am625-beagleplay";
 					firmware = "atf";
-					loadables = "tee", "dm", "spl";
+					loadables = "tee", "dm", "spl",
+					"tifsstub-gp";
 					fdt = "fdt-0";
 				};
 			};