GHWPARAMS1 (USB3_XHCI) Register Description
| Register Name | GHWPARAMS1 |
|---|---|
| Offset Address | 0x000000C144 |
| Absolute Address |
0x00FE20C144 (USB3_0_XHCI) 0x00FE30C144 (USB3_1_XHCI) |
| Width | 32 |
| Type | roRead-only |
| Reset Value | 0x8262493B |
| Description | Global Hardware Parameter Register 1 |
GHWPARAMS1 (USB3_XHCI) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| ghwparams1_31 | 31 | roRead-only | 0x1 | `DWC_USB3_EN_DBC |
| ghwparams1_30 | 30 | roRead-only | 0x0 | `DWC_USB3_RM_OPT_FEATURES |
| ghwparams1_29 | 29 | roRead-only | 0x0 | Reserved1 |
| ghwparams1_28 | 28 | roRead-only | 0x0 | `DWC_USB3_RAM_BUS_CLKS_SYNC |
| ghwparams1_27 | 27 | roRead-only | 0x0 | `DWC_USB3_MAC_RAM_CLKS_SYNC |
| ghwparams1_26 | 26 | roRead-only | 0x0 | `DWC_USB3_MAC_PHY_CLKS_SYNC |
| ghwparams1_25_24 | 25:24 | roRead-only | 0x2 | `DWC_USB3_EN_PWROPT |
| ghwparams1_23 | 23 | roRead-only | 0x0 | `DWC_USB3_SPRAM_TYP |
| ghwparams1_22_21 | 22:21 | roRead-only | 0x3 | `DWC_USB3_NUM_RAMS |
| ghwparams1_20_15 | 20:15 | roRead-only | 0x4 | `DWC_USB3_DEVICE_NUM_INT For details on `DWC_USB3_DEVICE_NUM_INT, refer to <workspace>/src/DWC_usb3_params.v file. |
| ghwparams1_14_12 | 14:12 | roRead-only | 0x4 | `DWC_USB3_ASPACEWIDTH |
| ghwparams1_11_9 | 11:9 | roRead-only | 0x4 | `DWC_USB3_REQINFOWIDTH |
| ghwparams1_8_6 | 8:6 | roRead-only | 0x4 | `DWC_USB3_DATAINFOWIDTH |
| ghwparams1_5_3 | 5:3 | roRead-only | 0x7 | `DWC_USB3_BURSTWIDTH-1 |
| ghwparams1_2_0 | 2:0 | roRead-only | 0x3 | `DWC_USB3_IDWIDTH-1 |