59 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From b51dda6c8cca5db35f73a2f8a26396699cdebf77 Mon Sep 17 00:00:00 2001
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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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Subject: [PATCH 293/773] firmware: raspberrypi: Report the fw git hash during
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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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