[PATCH] powerpc: wii: Add the fixed OTP layout
From: Link Mauve <hidden>
Date: 2026-07-26 18:19:30
Also in:
linux-devicetree, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
These 128 bytes have a known fixed layout, so we can expose those as cells for either kernel or userspace consumption. Signed-off-by: Link Mauve <redacted> --- arch/powerpc/boot/dts/wii.dts | 38 +++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+)
diff --git a/arch/powerpc/boot/dts/wii.dts b/arch/powerpc/boot/dts/wii.dts
index 473d9feb9cdb..0d1806273d43 100644
--- a/arch/powerpc/boot/dts/wii.dts
+++ b/arch/powerpc/boot/dts/wii.dts@@ -233,6 +233,44 @@ control@d800100 { otp@d8001ec { compatible = "nintendo,hollywood-otp"; reg = <0x0d8001ec 0x8>; + + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + boot1_sha1@0 { + reg = <0x00 0x14>; + }; + + common_key@14 { + reg = <0x14 0x10>; + }; + + device_id@24 { + reg = <0x24 0x4>; + }; + + device_private_key@28 { + reg = <0x28 0x1c>; + }; + + nand_hmac_key@44 { + reg = <0x44 0x14>; + }; + + nand_key@58 { + reg = <0x58 0x10>; + }; + + backup_key@68 { + reg = <0x68 0x10>; + }; + + unknown@78 { + reg = <0x78 0x8>; + }; + }; }; disk@d806000 {
base-commit: 9eebf259d5352b87080d67758f483583d9e763d7 -- 2.55.0