[PATCH v2 3/3] rpi5: initial support

[Peter Robinson]

On Tue, Nov 21, 2023 at 10:55 PM Dmitry Malkin
<dmitry at bedrocksystems.com> wrote:
>
> rpi5: get_board is no longer works. Print model name from
>  FW FDT

Diito

> rpi5 deprecated some calls/tags for MBOX. Better to use FW FDT.
> However it does not give all information.

Is that deprecation documented somewhere, in a forum post or something?

> Signed-off-by: Dmitry Malkin <dmitry at bedrocksystems.com>
> ---
> v2:
>       new patch
> ---
>  board/raspberrypi/rpi/rpi.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
> index cd823ad746..6b678c5d23 100644
> --- a/board/raspberrypi/rpi/rpi.c
> +++ b/board/raspberrypi/rpi/rpi.c
> @@ -429,6 +429,7 @@ static void get_board_revision(void)
>      int ret;
>      const struct rpi_model *models;
>      uint32_t models_count;
> +    const char *fdt_model;
>
>      BCM2835_MBOX_INIT_HDR(msg);
>      BCM2835_MBOX_INIT_TAG(&msg->get_board_rev, GET_BOARD_REV);
> @@ -437,6 +438,11 @@ static void get_board_revision(void)
>      if (ret) {
>          printf("bcm2835: Could not query board revision\n");
>          /* Ignore error; not critical */
> +        if (fdt_magic(fw_dtb_pointer) == FDT_MAGIC) {
> +            fdt_model = fdt_getprop((void *)fw_dtb_pointer, 0, "model", NULL);
> +            if (fdt_model != 0)
> +                printf("FW FDT model : %s\n", fdt_model);
> +        }
>          return;
>      }
>
> --
> 2.40.1