[PATCH 5/6] arm: mach-k3: Add a function for printing DM version

[Neha Malcom Francis]

On 28/05/25 13:35, Moteen Shah wrote:
> Add a function to print version of the DM firmware in use.
> The function queries the firmware capabilities first and if
> DM split mode bit is set, sends a request to TISCI for
> retrieving the version information.
> 
> The DM split mode bit indicates that DM is a separate binary
> altogether and hence it will have its own versioning.
> 
> Signed-off-by: Moteen Shah <m-shah at ti.com>
> ---
>  arch/arm/mach-k3/common.c | 29 +++++++++++++++++++++++++++++
>  arch/arm/mach-k3/common.h |  1 +
>  2 files changed, 30 insertions(+)
> 
> diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
> index fa8cd93d664..524bb1da1a0 100644
> --- a/arch/arm/mach-k3/common.c
> +++ b/arch/arm/mach-k3/common.c
> @@ -68,6 +68,35 @@ void k3_sysfw_print_ver(void)
>  	       ti_sci->version.firmware_revision, fw_desc);
>  }
>  
> +void __maybe_unused k3_dm_print_ver(void)
> +{
> +	struct ti_sci_handle *ti_sci = get_ti_sci_handle();
> +	struct ti_sci_firmware_ops *fw_ops = &ti_sci->ops.fw_ops;
> +	struct ti_sci_dm_version_info dm_info = {0};
> +	u64 fw_caps;
> +	int ret;
> +
> +	ret = fw_ops->query_dm_cap(ti_sci, &fw_caps);
> +	if (ret) {
> +		printf("Failed to query DM firmware capability %d\n", ret);
> +		return;
> +	}
> +
> +	if (!(fw_caps & TI_SCI_MSG_FLAG_FW_CAP_DM))
> +		return;
> +
> +	ret = fw_ops->get_dm_version(ti_sci, &dm_info);
> +	if (ret) {
> +		printf("Failed to fetch DM firmware version %d\n", ret);
> +		return;
> +	}
> +
> +	printf("DM ABI: %d.%d (firmware ver 0x%04x '%s--%s' "
> +	       "patch_ver: %d)\n", dm_info.abi_major, dm_info.abi_minor,
> +	       dm_info.dm_ver, dm_info.sci_server_version,
> +	       dm_info.rm_pm_hal_version, dm_info.patch_ver);
> +}
> +
>  void mmr_unlock(uintptr_t base, u32 partition)
>  {
>  	/* Translate the base address */
> diff --git a/arch/arm/mach-k3/common.h b/arch/arm/mach-k3/common.h
> index 7bd72da1de8..487291697d9 100644
> --- a/arch/arm/mach-k3/common.h
> +++ b/arch/arm/mach-k3/common.h
> @@ -38,6 +38,7 @@ void disable_linefill_optimization(void);
>  void remove_fwl_configs(struct fwl_data *fwl_data, size_t fwl_data_size);
>  int load_firmware(char *name_fw, char *name_loadaddr, u32 *loadaddr);
>  void k3_sysfw_print_ver(void);
> +void k3_dm_print_ver(void);
>  void spl_enable_cache(void);
>  void mmr_unlock(uintptr_t base, u32 partition);
>  bool is_rom_loaded_sysfw(struct rom_extended_boot_data *data);

Reviewed-by: Neha Malcom Francis <n-francis at ti.com>

-- 
Thanking You
Neha Malcom Francis