diff options
Diffstat (limited to 'include/zynqmp_firmware.h')
| -rw-r--r-- | include/zynqmp_firmware.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/zynqmp_firmware.h b/include/zynqmp_firmware.h index 93d771ece2..2c44951f86 100644 --- a/include/zynqmp_firmware.h +++ b/include/zynqmp_firmware.h @@ -77,6 +77,15 @@ enum pm_api_id { #define PMUFW_V1_0 ((1 << ZYNQMP_PM_VERSION_MAJOR_SHIFT) | 0) +/* + * Return payload size + * Not every firmware call expects the same amount of return bytes, however the + * firmware driver always copies 5 bytes from RX buffer to the ret_payload + * buffer. Therefore allocating with this defined value is recommended to avoid + * overflows. + */ +#define PAYLOAD_ARG_CNT 5U + unsigned int zynqmp_firmware_version(void); void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size); int xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2, |