mirror of
https://github.com/Ysurac/openmptcprouter.git
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109 lines
3.5 KiB
Diff
109 lines
3.5 KiB
Diff
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From f75c4eeea9177ea1d83382807c261ddf7ef630c6 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 17:58:06 +0000
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Subject: [PATCH 124/634] firmware: raspberrypi: Report the fw variant during
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probe
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The driver already reported the firmware build date during probe.
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The mailbox calls have been extended to also report the variant
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1 = standard start.elf
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2 = start_x.elf (includes camera stack)
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3 = start_db.elf (includes assert logging)
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4 = start_cd.elf (cutdown version for smallest memory footprint).
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Log the variant during probe.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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firmware: raspberrypi: Report the fw git hash during 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 | 40 +++++++++++++++++++++-
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include/soc/bcm2835/raspberrypi-firmware.h | 2 ++
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2 files changed, 41 insertions(+), 1 deletion(-)
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diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
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index 2a9edea7f0f1..2a7a0a9933d7 100644
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--- a/drivers/firmware/raspberrypi.c
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+++ b/drivers/firmware/raspberrypi.c
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@@ -233,6 +233,15 @@ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)
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{
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time64_t date_and_time;
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u32 packet;
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+ static const char * const variant_strs[] = {
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+ "unknown",
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+ "start",
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+ "start_x",
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+ "start_db",
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+ "start_cd",
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+ };
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+ const char *variant_str = "cmd unsupported";
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+ u32 variant;
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int ret = rpi_firmware_property(fw,
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RPI_FIRMWARE_GET_FIRMWARE_REVISION,
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&packet, sizeof(packet));
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@@ -242,7 +251,35 @@ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)
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/* This is not compatible with y2038 */
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date_and_time = packet;
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- dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &date_and_time);
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+
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+ ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_FIRMWARE_VARIANT,
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+ &variant, sizeof(variant));
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+
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+ if (!ret) {
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+ if (variant >= ARRAY_SIZE(variant_strs))
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+ variant = 0;
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+ variant_str = variant_strs[variant];
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+ }
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+
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+ dev_info(fw->cl.dev,
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+ "Attached to firmware from %ptT, variant %s\n",
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+ &date_and_time, variant_str);
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+}
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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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static void
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@@ -338,6 +375,7 @@ static int rpi_firmware_probe(struct platform_device *pdev)
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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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rpi_register_clk_driver(dev);
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diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h
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index a8cff19aea83..5ccd6dd0b74e 100644
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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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@@ -36,6 +36,8 @@ struct rpi_firmware_property_tag_header {
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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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--
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2.33.1
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