2019-09-19 14:43:19 +00:00
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From 9abde0ff52268580501b3120629f3c92f0e5d589 Mon Sep 17 00:00:00 2001
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2019-07-09 18:32:28 +00:00
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Thu, 10 Jan 2019 18:48:54 +0000
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2019-12-23 12:42:55 +00:00
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Subject: [PATCH] firmware: raspberrypi: Report the fw git hash during
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2019-07-09 18:32:28 +00:00
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probe
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The firmware can now report the git hash from which it was built
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via the mailbox, so report it during probe.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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drivers/firmware/raspberrypi.c | 17 +++++++++++++++++
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include/soc/bcm2835/raspberrypi-firmware.h | 1 +
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2 files changed, 18 insertions(+)
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--- a/drivers/firmware/raspberrypi.c
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+++ b/drivers/firmware/raspberrypi.c
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@@ -263,6 +263,22 @@ rpi_firmware_print_firmware_revision(str
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}
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static void
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+rpi_firmware_print_firmware_hash(struct rpi_firmware *fw)
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+{
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+ u32 hash[5];
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+ int ret = rpi_firmware_property(fw,
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+ RPI_FIRMWARE_GET_FIRMWARE_HASH,
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+ hash, sizeof(hash));
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+
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+ if (ret)
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+ return;
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+
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+ dev_info(fw->cl.dev,
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+ "Firmware hash is %08x%08x%08x%08x%08x\n",
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+ hash[0], hash[1], hash[2], hash[3], hash[4]);
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+}
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+
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+static void
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rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw)
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{
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u32 packet;
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@@ -308,6 +324,7 @@ static int rpi_firmware_probe(struct pla
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g_pdev = pdev;
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rpi_firmware_print_firmware_revision(fw);
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+ rpi_firmware_print_firmware_hash(fw);
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rpi_register_hwmon_driver(dev, fw);
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return 0;
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--- a/include/soc/bcm2835/raspberrypi-firmware.h
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+++ b/include/soc/bcm2835/raspberrypi-firmware.h
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@@ -42,6 +42,7 @@ enum rpi_firmware_property_tag {
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RPI_FIRMWARE_PROPERTY_END = 0,
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RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001,
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RPI_FIRMWARE_GET_FIRMWARE_VARIANT = 0x00000002,
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+ RPI_FIRMWARE_GET_FIRMWARE_HASH = 0x00000003,
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RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010,
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RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011,
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