diff options
| author | Dhaval Shah <dhaval.r.shah@amd.com> | 2023-07-31 15:20:23 +0530 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2023-08-07 10:48:03 +0200 |
| commit | 03ffa9af3a5ff88f9855b18584d00aca7eb43e6d (patch) | |
| tree | d3678bc40e985dc0cc2b9967725e0b62acd9d0d2 /include/linux/firmware | |
| parent | 046d3546750a3e2f2e8e7d39318290604fe6f202 (diff) | |
firmware: xilinx: Add support to get platform information
Add function to get family code and sub family code from the idcode. This
family code and sub family code helps to identify the platform.
Family code of any platform is on bits 21 to 27 and Sub family code is on
bits 19 and 20.
Signed-off-by: Dhaval Shah <dhaval.r.shah@amd.com>
Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20230731095026.3766675-2-sai.krishna.potthuri@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/firmware')
| -rw-r--r-- | include/linux/firmware/xlnx-zynqmp.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 9dda7d9898ff..f0b341c1c847 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -34,6 +34,17 @@ /* PM API versions */ #define PM_API_VERSION_2 2 +#define ZYNQMP_FAMILY_CODE 0x23 +#define VERSAL_FAMILY_CODE 0x26 + +/* When all subfamily of platform need to support */ +#define ALL_SUB_FAMILY_CODE 0x00 +#define VERSAL_SUB_FAMILY_CODE 0x01 +#define VERSALNET_SUB_FAMILY_CODE 0x03 + +#define FAMILY_CODE_MASK GENMASK(27, 21) +#define SUB_FAMILY_CODE_MASK GENMASK(20, 19) + /* ATF only commands */ #define TF_A_PM_REGISTER_SGI 0xa04 #define PM_GET_TRUSTZONE_VERSION 0xa03 |