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From 1eba2f733db94aaaba0d8e2eefe0bc9dc94a7713 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Thu, 10 Jan 2019 18:48:54 +0000
Subject: [PATCH 293/782] firmware: raspberrypi: Report the fw git hash during
probe
The firmware can now report the git hash from which it was built
via the mailbox, so report it during probe.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/firmware/raspberrypi.c | 17 +++++++++++++++++
include/soc/bcm2835/raspberrypi-firmware.h | 1 +
2 files changed, 18 insertions(+)
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -263,6 +263,22 @@ rpi_firmware_print_firmware_revision(str
}
static void
+rpi_firmware_print_firmware_hash(struct rpi_firmware *fw)
+{
+ u32 hash[5];
+ int ret = rpi_firmware_property(fw,
+ RPI_FIRMWARE_GET_FIRMWARE_HASH,
+ hash, sizeof(hash));
+
+ if (ret)
+ return;
+
+ dev_info(fw->cl.dev,
+ "Firmware hash is %08x%08x%08x%08x%08x\n",
+ hash[0], hash[1], hash[2], hash[3], hash[4]);
+}
+
+static void
rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw)
{
u32 packet;
@@ -308,6 +324,7 @@ static int rpi_firmware_probe(struct pla
g_pdev = pdev;
rpi_firmware_print_firmware_revision(fw);
+ rpi_firmware_print_firmware_hash(fw);
rpi_register_hwmon_driver(dev, fw);
return 0;
--- a/include/soc/bcm2835/raspberrypi-firmware.h
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
@@ -42,6 +42,7 @@ enum rpi_firmware_property_tag {
RPI_FIRMWARE_PROPERTY_END = 0,
RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001,
RPI_FIRMWARE_GET_FIRMWARE_VARIANT = 0x00000002,
+ RPI_FIRMWARE_GET_FIRMWARE_HASH = 0x00000003,
RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010,
RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011,
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