diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0093-firmware-raspberrypi-Report-the-fw-variant-during-pr.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0093-firmware-raspberrypi-Report-the-fw-variant-during-pr.patch | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0093-firmware-raspberrypi-Report-the-fw-variant-during-pr.patch b/target/linux/bcm27xx/patches-5.10/950-0093-firmware-raspberrypi-Report-the-fw-variant-during-pr.patch new file mode 100644 index 0000000000..64df0f7c7f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0093-firmware-raspberrypi-Report-the-fw-variant-during-pr.patch @@ -0,0 +1,101 @@ +From ab759f3138e5ea798e93003e6ce0ffe66ac2970f Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.org> +Date: Thu, 10 Jan 2019 17:58:06 +0000 +Subject: [PATCH] firmware: raspberrypi: Report the fw variant during + probe + +The driver already reported the firmware build date during probe. +The mailbox calls have been extended to also report the variant + 1 = standard start.elf + 2 = start_x.elf (includes camera stack) + 3 = start_db.elf (includes assert logging) + 4 = start_cd.elf (cutdown version for smallest memory footprint). +Log the variant during probe. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> + +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 | 40 +++++++++++++++++++++- + include/soc/bcm2835/raspberrypi-firmware.h | 2 ++ + 2 files changed, 41 insertions(+), 1 deletion(-) + +--- a/drivers/firmware/raspberrypi.c ++++ b/drivers/firmware/raspberrypi.c +@@ -231,6 +231,15 @@ rpi_firmware_print_firmware_revision(str + { + time64_t date_and_time; + u32 packet; ++ static const char * const variant_strs[] = { ++ "unknown", ++ "start", ++ "start_x", ++ "start_db", ++ "start_cd", ++ }; ++ const char *variant_str = "cmd unsupported"; ++ u32 variant; + int ret = rpi_firmware_property(fw, + RPI_FIRMWARE_GET_FIRMWARE_REVISION, + &packet, sizeof(packet)); +@@ -240,7 +249,35 @@ rpi_firmware_print_firmware_revision(str + + /* This is not compatible with y2038 */ + date_and_time = packet; +- dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &date_and_time); ++ ++ ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_FIRMWARE_VARIANT, ++ &variant, sizeof(variant)); ++ ++ if (!ret) { ++ if (variant >= ARRAY_SIZE(variant_strs)) ++ variant = 0; ++ variant_str = variant_strs[variant]; ++ } ++ ++ dev_info(fw->cl.dev, ++ "Attached to firmware from %ptT, variant %s\n", ++ &date_and_time, variant_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 +@@ -309,6 +346,7 @@ 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); + rpi_register_clk_driver(dev); + +--- a/include/soc/bcm2835/raspberrypi-firmware.h ++++ b/include/soc/bcm2835/raspberrypi-firmware.h +@@ -38,6 +38,8 @@ struct rpi_firmware_property_tag_header + 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, |