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67 lines
2.1 KiB
Diff
67 lines
2.1 KiB
Diff
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From ed09e6e753d9e6a5e31493d52c17bad4263144a5 Mon Sep 17 00:00:00 2001
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From: Tim Gover <tim.gover@raspberrypi.com>
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Date: Tue, 26 Mar 2024 17:08:58 +0000
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Subject: [PATCH 0990/1085] dts: bcm2712: Add blpubkey nvram node
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The RPi5 firmware also supports exporting the customer
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public key stored in flash via device-tree. Define the
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node so that the firmware can populate it.
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Signed-off-by: Tim Gover <tim.gover@raspberrypi.com>
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---
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arch/arm/boot/dts/broadcom/bcm2712-rpi-5-b.dts | 1 +
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arch/arm/boot/dts/broadcom/bcm2712-rpi-cm5.dtsi | 1 +
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arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi | 14 +++++++++++++-
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3 files changed, 15 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/broadcom/bcm2712-rpi-5-b.dts
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+++ b/arch/arm/boot/dts/broadcom/bcm2712-rpi-5-b.dts
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@@ -744,6 +744,7 @@ spi10_cs_pins: &spi10_cs_gpio1 {};
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/ {
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aliases: aliases {
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blconfig = &blconfig;
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+ blpubkey = &blpubkey;
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bluetooth = &bluetooth;
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console = &uart10;
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ethernet0 = &rp1_eth;
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--- a/arch/arm/boot/dts/broadcom/bcm2712-rpi-cm5.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm2712-rpi-cm5.dtsi
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@@ -745,6 +745,7 @@ spi10_cs_pins: &spi10_cs_gpio1 {};
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/ {
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aliases: aliases {
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blconfig = &blconfig;
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+ blpubkey = &blpubkey;
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bluetooth = &bluetooth;
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console = &uart10;
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ethernet0 = &rp1_eth;
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--- a/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
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@@ -102,7 +102,7 @@ pciex4: &pcie2 { };
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&rmem {
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/*
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- * RPi4's co-processor will copy the board's bootloader configuration
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+ * RPi5's co-processor will copy the board's bootloader configuration
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* into memory for the OS to consume. It'll also update this node with
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* its placement information.
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*/
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@@ -111,6 +111,18 @@ pciex4: &pcie2 { };
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x0 0x0 0x0>;
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+ no-map;
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+ status = "disabled";
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+ };
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+ /*
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+ * RPi5 will copy the binary public key blob (if present) from the bootloader
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+ * into memory for use by the OS.
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+ */
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+ blpubkey: nvram@1 {
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+ compatible = "raspberrypi,bootloader-public-key", "nvmem-rmem";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+ reg = <0x0 0x0 0x0>;
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no-map;
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status = "disabled";
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};
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