Annotation of sys/dev/pci/ichreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ichreg.h,v 1.7 2005/12/18 12:09:04 grange Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2004, 2005 Alexander Yurchenko <grange@openbsd.org>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #ifndef _DEV_PCI_ICHREG_H_
! 20: #define _DEV_PCI_ICHREG_H_
! 21:
! 22: /*
! 23: * Intel I/O Controller Hub (ICH) register definitions.
! 24: */
! 25:
! 26: /*
! 27: * LPC interface bridge registers.
! 28: */
! 29:
! 30: /* PCI configuration registers */
! 31: #define ICH_PMBASE 0x40 /* ACPI base address */
! 32: #define ICH_ACPI_CNTL 0x44 /* ACPI control */
! 33: #define ICH_ACPI_CNTL_ACPI_EN (1 << 4) /* ACPI enable */
! 34: #define ICH_GEN_PMCON1 0xa0 /* general PM configuration */
! 35: /* ICHx-M only */
! 36: #define ICH_GEN_PMCON1_SS_EN 0x08 /* enable SpeedStep */
! 37:
! 38: /* Power management I/O registers */
! 39: #define ICH_PM_TMR 0x08 /* PM timer */
! 40: /* ICHx-M only */
! 41: #define ICH_PM_CNTL 0x20 /* power management control */
! 42: #define ICH_PM_ARB_DIS 0x01 /* disable arbiter */
! 43: #define ICH_PM_SS_CNTL 0x50 /* SpeedStep control */
! 44: #define ICH_PM_SS_STATE_LOW 0x01 /* low power state */
! 45:
! 46: #define ICH_PMSIZE 128 /* ACPI I/O space size */
! 47:
! 48: /*
! 49: * SMBus controller registers.
! 50: */
! 51:
! 52: /* PCI configuration registers */
! 53: #define ICH_SMB_BASE 0x20 /* SMBus base address */
! 54: #define ICH_SMB_HOSTC 0x40 /* host configuration */
! 55: #define ICH_SMB_HOSTC_HSTEN (1 << 0) /* enable host controller */
! 56: #define ICH_SMB_HOSTC_SMIEN (1 << 1) /* generate SMI */
! 57: #define ICH_SMB_HOSTC_I2CEN (1 << 2) /* enable I2C commands */
! 58:
! 59: /* SMBus I/O registers */
! 60: #define ICH_SMB_HS 0x00 /* host status */
! 61: #define ICH_SMB_HS_BUSY (1 << 0) /* running a command */
! 62: #define ICH_SMB_HS_INTR (1 << 1) /* command completed */
! 63: #define ICH_SMB_HS_DEVERR (1 << 2) /* command error */
! 64: #define ICH_SMB_HS_BUSERR (1 << 3) /* transaction collision */
! 65: #define ICH_SMB_HS_FAILED (1 << 4) /* failed bus transaction */
! 66: #define ICH_SMB_HS_SMBAL (1 << 5) /* SMBALERT# asserted */
! 67: #define ICH_SMB_HS_INUSE (1 << 6) /* bus semaphore */
! 68: #define ICH_SMB_HS_BDONE (1 << 7) /* byte received/transmitted */
! 69: #define ICH_SMB_HS_BITS "\020\001BUSY\002INTR\003DEVERR\004BUSERR\005FAILED\006SMBAL\007INUSE\010BDONE"
! 70: #define ICH_SMB_HC 0x02 /* host control */
! 71: #define ICH_SMB_HC_INTREN (1 << 0) /* enable interrupts */
! 72: #define ICH_SMB_HC_KILL (1 << 1) /* kill current transaction */
! 73: #define ICH_SMB_HC_CMD_QUICK (0 << 2) /* QUICK command */
! 74: #define ICH_SMB_HC_CMD_BYTE (1 << 2) /* BYTE command */
! 75: #define ICH_SMB_HC_CMD_BDATA (2 << 2) /* BYTE DATA command */
! 76: #define ICH_SMB_HC_CMD_WDATA (3 << 2) /* WORD DATA command */
! 77: #define ICH_SMB_HC_CMD_PCALL (4 << 2) /* PROCESS CALL command */
! 78: #define ICH_SMB_HC_CMD_BLOCK (5 << 2) /* BLOCK command */
! 79: #define ICH_SMB_HC_CMD_I2CREAD (6 << 2) /* I2C READ command */
! 80: #define ICH_SMB_HC_CMD_BLOCKP (7 << 2) /* BLOCK PROCESS command */
! 81: #define ICH_SMB_HC_LASTB (1 << 5) /* last byte in block */
! 82: #define ICH_SMB_HC_START (1 << 6) /* start transaction */
! 83: #define ICH_SMB_HC_PECEN (1 << 7) /* enable PEC */
! 84: #define ICH_SMB_HCMD 0x03 /* host command */
! 85: #define ICH_SMB_TXSLVA 0x04 /* transmit slave address */
! 86: #define ICH_SMB_TXSLVA_READ (1 << 0) /* read direction */
! 87: #define ICH_SMB_TXSLVA_ADDR(x) (((x) & 0x7f) << 1) /* 7-bit address */
! 88: #define ICH_SMB_HD0 0x05 /* host data 0 */
! 89: #define ICH_SMB_HD1 0x06 /* host data 1 */
! 90: #define ICH_SMB_HBDB 0x07 /* host block data byte */
! 91: #define ICH_SMB_PEC 0x08 /* PEC data */
! 92: #define ICH_SMB_RXSLVA 0x09 /* receive slave address */
! 93: #define ICH_SMB_SD 0x0a /* receive slave data */
! 94: #define ICH_SMB_SD_MSG0(x) ((x) & 0xff) /* data message byte 0 */
! 95: #define ICH_SMB_SD_MSG1(x) ((x) >> 8) /* data message byte 1 */
! 96: #define ICH_SMB_AS 0x0c /* auxiliary status */
! 97: #define ICH_SMB_AS_CRCE (1 << 0) /* CRC error */
! 98: #define ICH_SMB_AS_TCO (1 << 1) /* advanced TCO mode */
! 99: #define ICH_SMB_AC 0x0d /* auxiliary control */
! 100: #define ICH_SMB_AC_AAC (1 << 0) /* automatically append CRC */
! 101: #define ICH_SMB_AC_E32B (1 << 1) /* enable 32-byte buffer */
! 102: #define ICH_SMB_SMLPC 0x0e /* SMLink pin control */
! 103: #define ICH_SMB_SMLPC_LINK0 (1 << 0) /* SMLINK0 pin state */
! 104: #define ICH_SMB_SMLPC_LINK1 (1 << 1) /* SMLINK1 pin state */
! 105: #define ICH_SMB_SMLPC_CLKC (1 << 2) /* SMLINK0 pin is untouched */
! 106: #define ICH_SMB_SMBPC 0x0f /* SMBus pin control */
! 107: #define ICH_SMB_SMBPC_CLK (1 << 0) /* SMBCLK pin state */
! 108: #define ICH_SMB_SMBPC_DATA (1 << 1) /* SMBDATA pin state */
! 109: #define ICH_SMB_SMBPC_CLKC (1 << 2) /* SMBCLK pin is untouched */
! 110: #define ICH_SMB_SS 0x10 /* slave status */
! 111: #define ICH_SMB_SS_HN (1 << 0) /* Host Notify command */
! 112: #define ICH_SMB_SCMD 0x11 /* slave command */
! 113: #define ICH_SMB_SCMD_INTREN (1 << 0) /* enable interrupts on HN */
! 114: #define ICH_SMB_SCMD_WKEN (1 << 1) /* wake on HN */
! 115: #define ICH_SMB_SCMD_SMBALDS (1 << 2) /* disable SMBALERT# intr */
! 116: #define ICH_SMB_NDADDR 0x14 /* notify device address */
! 117: #define ICH_SMB_NDADDR_ADDR(x) ((x) >> 1) /* 7-bit address */
! 118: #define ICH_SMB_NDLOW 0x16 /* notify data low byte */
! 119: #define ICH_SMB_NDHIGH 0x17 /* notify data high byte */
! 120:
! 121: /*
! 122: * 6300ESB watchdog timer registers.
! 123: */
! 124:
! 125: /* PCI configuration registers */
! 126: #define ICH_WDT_BASE 0x10 /* memory space base address */
! 127: #define ICH_WDT_CONF 0x60 /* configuration register */
! 128: #define ICH_WDT_CONF_MASK 0xffff /* 16-bit register */
! 129: #define ICH_WDT_CONF_INT_MASK 0x3 /* interrupt type */
! 130: #define ICH_WDT_CONF_INT_IRQ 0x0 /* IRQ (APIC 1, INT 10) */
! 131: #define ICH_WDT_CONF_INT_SMI 0x2 /* SMI */
! 132: #define ICH_WDT_CONF_INT_DIS 0x3 /* disabled */
! 133: #define ICH_WDT_CONF_PRE (1 << 2) /* 2^5 clock divisor */
! 134: #define ICH_WDT_CONF_OUTDIS (1 << 5) /* WDT_TOUT# output disabled */
! 135: #define ICH_WDT_LOCK 0x68 /* lock register */
! 136: #define ICH_WDT_LOCK_LOCKED (1 << 0) /* register locked */
! 137: #define ICH_WDT_LOCK_ENABLED (1 << 1) /* WDT enabled */
! 138: #define ICH_WDT_LOCK_FREERUN (1 << 2) /* free running mode */
! 139:
! 140: /* Memory mapped registers */
! 141: #define ICH_WDT_PRE1 0x00 /* preload value 1 */
! 142: #define ICH_WDT_PRE2 0x04 /* preload value 2 */
! 143: #define ICH_WDT_GIS 0x08 /* general interrupt status */
! 144: #define ICH_WDT_GIS_ACTIVE (1 << 0) /* interrupt active */
! 145: #define ICH_WDT_RELOAD 0x0c /* reload register */
! 146: #define ICH_WDT_RELOAD_RLD (1 << 8) /* safe reload */
! 147: #define ICH_WDT_RELOAD_TIMEOUT (1 << 9) /* timeout occured */
! 148:
! 149: #endif /* !_DEV_PCI_ICHREG_H_ */
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