* [PATCH dev-6.1] ARM: dts: aspeed: everest: Add reserved memory for TPM event log
@ 2023-02-22 1:50 Eddie James
0 siblings, 0 replies; only message in thread
From: Eddie James @ 2023-02-22 1:50 UTC (permalink / raw)
To: openbmc; +Cc: Eddie James, joel
Trusted boot support requires the platform event log passed up
from the bootloader. In U-Boot, this can now be accomplished with
a reserved memory region, so add a region for this purpose to the
Everest BMC devicetree.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
index 1448ea895be4..95d1ab6811ff 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts
@@ -162,6 +162,11 @@ reserved-memory {
#size-cells = <1>;
ranges;
+ event_log: tcg_event_log@b3d00000 {
+ no-map;
+ reg = <0xb3d00000 0x100000>;
+ };
+
ramoops@b3e00000 {
compatible = "ramoops";
reg = <0xb3e00000 0x200000>; /* 16 * (4 * 0x8000) */
@@ -1887,6 +1892,7 @@ &i2c12 {
tpm@2e {
compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c";
reg = <0x2e>;
+ memory-region = <&event_log>;
};
};
--
2.31.1
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