8194883bd2d0481dcbb8341516c6e5c311d6be7e
[oweals/openwrt.git] /
1 From 66d4a3ecb20bca91bc9e209cc8dc7730dffb0b57 Mon Sep 17 00:00:00 2001
2 From: Dave Stevenson <dave.stevenson@raspberrypi.org>
3 Date: Thu, 10 Jan 2019 18:48:54 +0000
4 Subject: [PATCH 296/703] firmware: raspberrypi: Report the fw git hash during
5  probe
6
7 The firmware can now report the git hash from which it was built
8 via the mailbox, so report it during probe.
9
10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
11 ---
12  drivers/firmware/raspberrypi.c             | 17 +++++++++++++++++
13  include/soc/bcm2835/raspberrypi-firmware.h |  1 +
14  2 files changed, 18 insertions(+)
15
16 --- a/drivers/firmware/raspberrypi.c
17 +++ b/drivers/firmware/raspberrypi.c
18 @@ -263,6 +263,22 @@ rpi_firmware_print_firmware_revision(str
19  }
20  
21  static void
22 +rpi_firmware_print_firmware_hash(struct rpi_firmware *fw)
23 +{
24 +       u32 hash[5];
25 +       int ret = rpi_firmware_property(fw,
26 +                                       RPI_FIRMWARE_GET_FIRMWARE_HASH,
27 +                                       hash, sizeof(hash));
28 +
29 +       if (ret)
30 +               return;
31 +
32 +       dev_info(fw->cl.dev,
33 +                "Firmware hash is %08x%08x%08x%08x%08x\n",
34 +                hash[0], hash[1], hash[2], hash[3], hash[4]);
35 +}
36 +
37 +static void
38  rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw)
39  {
40         u32 packet;
41 @@ -308,6 +324,7 @@ static int rpi_firmware_probe(struct pla
42         g_pdev = pdev;
43  
44         rpi_firmware_print_firmware_revision(fw);
45 +       rpi_firmware_print_firmware_hash(fw);
46         rpi_register_hwmon_driver(dev, fw);
47  
48         return 0;
49 --- a/include/soc/bcm2835/raspberrypi-firmware.h
50 +++ b/include/soc/bcm2835/raspberrypi-firmware.h
51 @@ -42,6 +42,7 @@ enum rpi_firmware_property_tag {
52         RPI_FIRMWARE_PROPERTY_END =                           0,
53         RPI_FIRMWARE_GET_FIRMWARE_REVISION =                  0x00000001,
54         RPI_FIRMWARE_GET_FIRMWARE_VARIANT =                   0x00000002,
55 +       RPI_FIRMWARE_GET_FIRMWARE_HASH =                      0x00000003,
56  
57         RPI_FIRMWARE_SET_CURSOR_INFO =                        0x00008010,
58         RPI_FIRMWARE_SET_CURSOR_STATE =                       0x00008011,