[PATCH] arm64: zynqmp: Add support for SVD devices

[Michal Simek]

st 19. 5. 2021 v 10:45 odesílatel Michal Simek <michal.simek at xilinx.com> napsal:
>
> SVD (Software Virtual Devices) are using different name which can't be
> handled via zynqmp_devices structure. That's why introduce
> zynqmp_detect_svd_name() which checks ID code for these devices and show
> proper name for them.
>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
>  board/xilinx/zynqmp/zynqmp.c | 28 +++++++++++++++++++++++++++-
>  1 file changed, 27 insertions(+), 1 deletion(-)
>
> diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
> index d05f0b2e1202..6e353e3b0a57 100644
> --- a/board/xilinx/zynqmp/zynqmp.c
> +++ b/board/xilinx/zynqmp/zynqmp.c
> @@ -185,6 +185,32 @@ static const struct {
>         },
>  };
>
> +static const struct {
> +       u32 id;
> +       char *name;
> +} zynqmp_svd_devices[] = {
> +       {
> +               .id = 0x04714093,
> +               .name = "xck24"
> +       },
> +       {
> +               .id = 0x04724093,
> +               .name = "xck26",
> +       },
> +};
> +
> +static char *zynqmp_detect_svd_name(u32 idcode)
> +{
> +       u32 i;
> +
> +       for (i = 0; i < ARRAY_SIZE(zynqmp_svd_devices); i++) {
> +               if (zynqmp_svd_devices[i].id == (idcode & 0x0FFFFFFF))
> +                       return zynqmp_svd_devices[i].name;
> +       }
> +
> +       return "unknown";
> +}
> +
>  static char *zynqmp_get_silicon_idcode_name(void)
>  {
>         u32 i;
> @@ -219,7 +245,7 @@ static char *zynqmp_get_silicon_idcode_name(void)
>         }
>
>         if (i >= ARRAY_SIZE(zynqmp_devices))
> -               return "unknown";
> +               return zynqmp_detect_svd_name(idcode);
>
>         /* Add device prefix to the name */
>         ret = snprintf(name, ZYNQMP_VERSION_SIZE, "zu%d",
> --
> 2.31.1
>

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs