diff options
| -rw-r--r-- | src/vendorcode/amd/fsp/picasso/platform_descriptors.h | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/src/vendorcode/amd/fsp/picasso/platform_descriptors.h b/src/vendorcode/amd/fsp/picasso/platform_descriptors.h index d5977efc6a..c3a09ccb78 100644 --- a/src/vendorcode/amd/fsp/picasso/platform_descriptors.h +++ b/src/vendorcode/amd/fsp/picasso/platform_descriptors.h @@ -28,6 +28,14 @@ typedef enum { GEN_INVALID // Max Gen for boundary check } dxio_link_speed_cap; +/* Upstream Auto Speed Change Allowed */ +typedef enum { + SPDC_DEFAULT = 0, // Enabled for Gen2 and Gen3 + SPDC_DISBLED, + SPDC_ENABLED, + SPDC_INVALID +} dxio_upstream_auto_speed_change; + /* SATA ChannelType initialization */ typedef enum { SATA_CHANNEL_OTHER = 0, // Default Channel Type @@ -150,31 +158,31 @@ typedef struct __packed { * GPP[3:2] | [5:4] | PCIe */ typedef struct __packed { - uint8_t engine_type; + uint8_t engine_type; // See dxio_engine_type uint8_t start_logical_lane; // Start lane of the pci device uint8_t end_logical_lane; // End lane of the pci device - uint8_t gpio_group_id; // FCH reset number. 0 is global reset + uint8_t gpio_group_id; // Currently unused by FSP uint32_t port_present :1; // Should be TRUE if train link uint32_t reserved_3 :7; uint32_t device_number :5; // Desired root port device number uint32_t function_number :3; // Desired root port function number - uint32_t link_speed_capability :2; - uint32_t auto_spd_change :2; - uint32_t eq_preset :4; - uint32_t link_aspm :2; - uint32_t link_aspm_L1_1 :1; - uint32_t link_aspm_L1_2 :1; - uint32_t clk_req :4; - uint8_t link_hotplug; - uint8_t slot_power_limit; - uint32_t slot_power_limit_scale :2; + uint32_t link_speed_capability :2; // See dxio_link_speed_cap + uint32_t auto_spd_change :2; // See dxio_upstream_auto_speed_change + uint32_t eq_preset :4; // Gen3 equalization preset + uint32_t link_aspm :2; // See dxio_aspm_type + uint32_t link_aspm_L1_1 :1; // En/Dis root port capabilities for L1.1 + uint32_t link_aspm_L1_2 :1; // En/Dis root port capabilities for L1.2 + uint32_t clk_req :4; // See cpm_clk_req + uint8_t link_hotplug; // Currently unused by FSP + uint8_t slot_power_limit; // Currently unused by FSP + uint32_t slot_power_limit_scale :2; // Currently unused by FSP uint32_t reserved_4 :6; - uint32_t link_compliance_mode :1; - uint32_t link_safe_mode :1; - uint32_t sb_link :1; - uint32_t clk_pm_support :1; - uint32_t channel_type :3; - uint32_t turn_off_unused_lanes :1; + uint32_t link_compliance_mode :1; // Currently unused by FSP + uint32_t link_safe_mode :1; // Currently unused by FSP + uint32_t sb_link :1; // Currently unused by FSP + uint32_t clk_pm_support :1; // Currently unused by FSP + uint32_t channel_type :3; // See dxio_sata_channel_type + uint32_t turn_off_unused_lanes :1; // Power down lanes if device not present uint8_t reserved[4]; } fsp_dxio_descriptor; |