| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #ifndef BAYTRAIL_XHCI_H |
| #define BAYTRAIL_XHCI_H |
| |
| /* XHCI PCI Registers */ |
| #define XHCI_PWR_CTL_STS 0x74 |
| #define XHCI_USB2PR 0xd0 |
| #define XHCI_USB2PRM 0xd4 |
| #define XHCI_USB3PR 0xd8 |
| #define XHCI_USB3PRM 0xdc |
| #define XHCI_USB2PDO 0xe4 |
| #define XHCI_USB3PDO 0xe8 |
| |
| /* XHCI Memory Registers */ |
| #define XHCI_USB3_PORTSC(port) (0x4e0 + (port * 0x10)) |
| # define XHCI_USB3_PORTSC_CHST (0x7f << 17) |
| # define XHCI_USB3_PORTSC_WCE (1 << 25) /* Wake on Connect */ |
| # define XHCI_USB3_PORTSC_WDE (1 << 26) /* Wake on Disconnect */ |
| # define XHCI_USB3_PORTSC_WOE (1 << 27) /* Wake on Overcurrent */ |
| # define XHCI_USB3_PORTSC_WRC (1 << 19) /* Warm Reset Complete */ |
| # define XHCI_USB3_PORTSC_LWS (1 << 16) /* Link Write Strobe */ |
| # define XHCI_USB3_PORTSC_PED (1 << 1) /* Port Enabled/Disabled */ |
| # define XHCI_USB3_PORTSC_WPR (1 << 31) /* Warm Port Reset */ |
| # define XHCI_USB3_PORTSC_PLS (0xf << 5) /* Port Link State */ |
| # define XHCI_PLSR_DISABLED (4 << 5) /* Port is disabled */ |
| # define XHCI_PLSR_RXDETECT (5 << 5) /* Port is disconnected */ |
| # define XHCI_PLSR_POLLING (7 << 5) /* Port is polling */ |
| # define XHCI_PLSW_ENABLE (5 << 5) /* Enable port */ |
| |
| /* The Fuse register is incorrect for Baytrail-M so use hardcoded values */ |
| #define BYTM_USB2_PORT_COUNT 4 |
| #define BYTM_USB2_PORT_MAP 0xf |
| #define BYTM_USB3_PORT_COUNT 1 |
| #define BYTM_USB3_PORT_MAP 0x1 |
| |
| #define XHCI_RESET_TIMEOUT 100000 /* 100ms */ |
| |
| #endif /* BAYTRAIL_XHCI_H */ |