To preserve backwards compatibility with older ATF builds with
PRELOADED_BL33_BASE set to 0x80080000, we add a jump-stub component to
all tispl derrivatives which jumps execution to the address where u-boot
spl is actually loaded (SPL_LOAD_TEXT).
Signed-off-by: Anshul Dalal <ansh...@ti.com>
---
arch/arm/dts/k3-binman.dtsi | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm/dts/k3-binman.dtsi b/arch/arm/dts/k3-binman.dtsi
index 5163161b94d..5d971ecf886 100644
--- a/arch/arm/dts/k3-binman.dtsi
+++ b/arch/arm/dts/k3-binman.dtsi
@@ -5,6 +5,8 @@
#include "k3-security.h"
+#define LEGACY_ATF_PRELOADED_BL33_BASE 0x80080000
+
/ {
binman: binman {
multiple-images;
@@ -325,6 +327,22 @@
};
};
+ jump-stub {
+ description = "Jump stub for backwards
compatibility with older ATF builds";
+ type = "firmware";
+ arch = "arm64";
+ compression = "none";
+ load = <LEGACY_ATF_PRELOADED_BL33_BASE>;
+ entry =
<LEGACY_ATF_PRELOADED_BL33_BASE>;
+ ti-secure {
+ content = <&jump_stub>;
+ keyfile = "custMpk.pem";
+ };
+ jump_stub: blob-ext {
+ filename = "jump_stub.bin";
+ };
+ };
+
};
};
};
@@ -387,6 +405,19 @@
filename =
"spl/u-boot-spl-nodtb.bin";
};
};
+
+ jump-stub {
+ description = "Jump stub for backwards
compatibility with older ATF builds";
+ type = "firmware";
+ arch = "arm64";
+ compression = "none";
+ load = <LEGACY_ATF_PRELOADED_BL33_BASE>;
+ entry =
<LEGACY_ATF_PRELOADED_BL33_BASE>;
+ blob-ext {
+ filename = "jump_stub.bin";
+ };
+ };
+
};
};
};
--
2.49.0
