diff options
Diffstat (limited to 'src/soc/intel/fsp_baytrail/baytrail/xhci.h')
| -rw-r--r-- | src/soc/intel/fsp_baytrail/baytrail/xhci.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/soc/intel/fsp_baytrail/baytrail/xhci.h b/src/soc/intel/fsp_baytrail/baytrail/xhci.h new file mode 100644 index 0000000000..b317361c08 --- /dev/null +++ b/src/soc/intel/fsp_baytrail/baytrail/xhci.h @@ -0,0 +1,56 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#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 */ |