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i82801lpcreg.h revision 1.6
      1 /*	$NetBSD: i82801lpcreg.h,v 1.6 2007/08/26 18:39:43 xtraeme Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Minoura Makoto.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Intel 82801 Series I/O Controller Hub (ICH) -- LPC Interface Bridge part
     41  *   register definitions.
     42  */
     43 
     44 #ifndef _DEV_IC_I82801LPGREG_H_
     45 #define _DEV_IC_I82801LPGREG_H_
     46 /*
     47  * PCI configuration registers
     48  */
     49 #define LPCIB_PCI_PMBASE	0x40
     50 #define LPCIB_PCI_ACPI_CNTL	0x44
     51 # define LPCIB_PCI_ACPI_CNTL_EN	(1 << 4)
     52 #define LPCIB_PCI_BIOS_CNTL	0x4e
     53 #define LPCIB_PCI_TCO_CNTL	0x54
     54 #define LPCIB_PCI_GPIO_BASE	0x58
     55 #define LPCIB_PCI_GPIO_CNTL	0x5c
     56 #define LPCIB_PCI_PIRQA_ROUT	0x60
     57 #define LPCIB_PCI_PIRQB_ROUT	0x61
     58 #define LPCIB_PCI_PIRQC_ROUT	0x62
     59 #define LPCIB_PCI_PIRQD_ROUT	0x63
     60 #define LPCIB_PCI_SIRQ_CNTL	0x64
     61 #define LPCIB_PCI_PIRQE_ROUT	0x68
     62 #define LPCIB_PCI_PIRQF_ROUT	0x69
     63 #define LPCIB_PCI_PIRQG_ROUT	0x6a
     64 #define LPCIB_PCI_PIRQH_ROUT	0x6b
     65 #define LPCIB_PCI_D31_ERR_CFG	0x88
     66 #define LPCIB_PCI_D31_ERR_STS	0x8a
     67 #define LPCIB_PCI_PCI_DMA_C	0x90
     68 #define LPCIB_PCI_GEN_PMCON_1	0xa0
     69 # define LPCIB_PCI_GEN_PMCON_1_SS_EN	0x08
     70 #define LPCIB_PCI_GEN_PMCON_2	0xa2
     71 #define LPCIB_PCI_GEN_PMCON_3	0xa4
     72 #define LPCIB_PCI_STPCLK_DEL	0xa8
     73 #define LPCIB_PCI_GPI_ROUT	0xb8
     74 #define LPCIB_PCI_TRP_FWD_EN	0xc0
     75 #define LPCIB_PCI_MON4_TRP_RNG	0xc4
     76 #define LPCIB_PCI_MON5_TRP_RNG	0xc5
     77 #define LPCIB_PCI_MON6_TRP_RNG	0xc6
     78 #define LPCIB_PCI_MON7_TRP_RNG	0xc7
     79 #define LPCIB_PCI_MON_TRP_MSK	oxcc
     80 #define LPCIB_PCI_GEN_CNTL	0xd0
     81 #define LPCIB_PCI_GEN_STA	0xd4
     82 # define LPCIB_PCI_GEN_STA_SAFE_MODE	(1 << 2)
     83 # define LPCIB_PCI_GEN_STA_NO_REBOOT	(1 << 1)
     84 #define LPCIB_PCI_BACK_CNTL	0xd5
     85 #define LPCIB_PCI_RTC_CONF	0xd8
     86 #define LPCIB_PCI_COM_DEC	0xe0
     87 #define LPCIB_PCI_LPCFDD_DEC	0xe1
     88 #define LPCIB_PCI_SND_DEC	0xe2
     89 #define LPCIB_PCI_FWH_DEC_EN1	0xe3
     90 #define LPCIB_PCI_GEN1_DEC	0xe4
     91 #define LPCIB_PCI_LPC_EN	0xe6
     92 #define LPCIB_PCI_FWH_SEL1	0xe8
     93 #define LPCIB_PCI_GEN2_DEC	0xec
     94 #define LPCIB_PCI_FWH_SEL2	0xee
     95 #define LPCIB_PCI_FWH_DEC_EN2	0xf0
     96 #define LPCIB_PCI_FUNC_DIS	0xf2
     97 
     98 /*
     99  * Power management I/O registers
    100  *  (offset from PMBASE)
    101  */
    102 #define LPCIB_PM1_STS		0x00 /* ACPI PM1a_EVT_BLK fixed event status */
    103 #define LPCIB_PM1_EN		0x02 /* ACPI PM1a_EVT_BLK fixed event enable */
    104 #define LPCIB_PM1_CNT		0x04 /* ACPI PM1a_CNT_BLK */
    105 #define LPCIB_PM1_TMR		0x08 /* ACPI PMTMR_BLK power mgmt timer */
    106 #define LPCIB_PROC_CNT		0x10 /* ACPI P_BLK processor control */
    107 #define LPCIB_LV2		0x14 /* ACPI P_BLK processor C2 control */
    108 #define LPCIB_PM_CTRL		0x20 /* ACPI Power Management Control */
    109 # define LPCIB_PM_SS_STATE_LOW	0x01 /* SpeedStep Low Power State */
    110 #define LPCIB_GPE0_STS		0x28 /* ACPI GPE0_BLK GPE0 status */
    111 #define LPCIB_GPE0_EN		0x2c /* ACPI GPE0_BLK GPE0 enable */
    112 #define LPCIB_SMI_EN		0x30
    113 # define LPCIB_SMI_EN_INTEL_USB2_EN	(1 << 18)
    114 # define LPCIB_SMI_EN_LEGACY_USB2_EN	(1 << 17)
    115 # define LPCIB_SMI_EN_PERIODIC_EN	(1 << 14)
    116 # define LPCIB_SMI_EN_TCO_EN		(1 << 13)
    117 # define LPCIB_SMI_EN_MCSMI_EN		(1 << 11)
    118 # define LPCIB_SMI_EN_BIOS_RLS		(1 << 7)
    119 # define LPCIB_SMI_EN_SWSMI_TMR_EN	(1 << 6)
    120 # define LPCIB_SMI_EN_APMC_EN		(1 << 5)
    121 # define LPCIB_SMI_EN_SLP_SMI_EN	(1 << 4)
    122 # define LPCIB_SMI_EN_LEGACY_USB_EN	(1 << 3)
    123 # define LPCIB_SMI_EN_BIOS_EN		(1 << 2)
    124 # define LPCIB_SMI_EN_EOS		(1 << 1)
    125 # define LPCIB_SMI_EN_GBL_SMI_EN	(1 << 0)
    126 #define LPCIB_SMI_STS		0x34
    127 #define LPCIB_ALT_GP_SMI_EN	0x38
    128 #define LPCIB_ALT_GP_SMI_STS	0x3a
    129 #define LPCIB_MON_SMI		0x40
    130 #define LPCIB_DEVACT_STS	0x44
    131 #define LPCIB_DEVTRAP_EN	0x48
    132 #define LPCIB_BUS_ADDR_TRACK	0x4c
    133 #define LPCIB_BUS_CYC_TRACK	0x4e
    134 #define LPCIB_PM_SS_CNTL	0x50		/* SpeedStep control */
    135 # define LPCIB_PM_SS_CNTL_ARB_DIS	0x01	/* disable arbiter */
    136 
    137 /*
    138  * SMBus controller registers.
    139  */
    140 
    141 /* PCI configuration registers */
    142 #define LPCIB_SMB_BASE	0x20		/* SMBus base address */
    143 #define LPCIB_SMB_HOSTC	0x40		/* host configuration */
    144 #define LPCIB_SMB_HOSTC_HSTEN	(1 << 0)	/* enable host controller */
    145 #define LPCIB_SMB_HOSTC_SMIEN	(1 << 1)	/* generate SMI */
    146 #define LPCIB_SMB_HOSTC_I2CEN	(1 << 2)	/* enable I2C commands */
    147 
    148 /* SMBus I/O registers */
    149 #define LPCIB_SMB_HS	0x00		/* host status */
    150 #define LPCIB_SMB_HS_BUSY		(1 << 0)	/* running a command */
    151 #define LPCIB_SMB_HS_INTR		(1 << 1)	/* command completed */
    152 #define LPCIB_SMB_HS_DEVERR	(1 << 2)	/* command error */
    153 #define LPCIB_SMB_HS_BUSERR	(1 << 3)	/* transaction collision */
    154 #define LPCIB_SMB_HS_FAILED	(1 << 4)	/* failed bus transaction */
    155 #define LPCIB_SMB_HS_SMBAL	(1 << 5)	/* SMBALERT# asserted */
    156 #define LPCIB_SMB_HS_INUSE	(1 << 6)	/* bus semaphore */
    157 #define LPCIB_SMB_HS_BDONE	(1 << 7)	/* byte received/transmitted */
    158 #define LPCIB_SMB_HS_BITS		"\020\001BUSY\002INTR\003DEVERR\004BUSERR\005FAILED\006SMBAL\007INUSE\010BDONE"
    159 #define LPCIB_SMB_HC	0x02		/* host control */
    160 #define LPCIB_SMB_HC_INTREN	(1 << 0)	/* enable interrupts */
    161 #define LPCIB_SMB_HC_KILL		(1 << 1)	/* kill current transaction */
    162 #define LPCIB_SMB_HC_CMD_QUICK	(0 << 2)	/* QUICK command */
    163 #define LPCIB_SMB_HC_CMD_BYTE	(1 << 2)	/* BYTE command */
    164 #define LPCIB_SMB_HC_CMD_BDATA	(2 << 2)	/* BYTE DATA command */
    165 #define LPCIB_SMB_HC_CMD_WDATA	(3 << 2)	/* WORD DATA command */
    166 #define LPCIB_SMB_HC_CMD_PCALL	(4 << 2)	/* PROCESS CALL command */
    167 #define LPCIB_SMB_HC_CMD_BLOCK	(5 << 2)	/* BLOCK command */
    168 #define LPCIB_SMB_HC_CMD_I2CREAD	(6 << 2)	/* I2C READ command */
    169 #define LPCIB_SMB_HC_CMD_BLOCKP	(7 << 2)	/* BLOCK PROCESS command */
    170 #define LPCIB_SMB_HC_LASTB	(1 << 5)	/* last byte in block */
    171 #define LPCIB_SMB_HC_START	(1 << 6)	/* start transaction */
    172 #define LPCIB_SMB_HC_PECEN	(1 << 7)	/* enable PEC */
    173 #define LPCIB_SMB_HCMD	0x03		/* host command */
    174 #define LPCIB_SMB_TXSLVA	0x04		/* transmit slave address */
    175 #define LPCIB_SMB_TXSLVA_READ	(1 << 0)	/* read direction */
    176 #define LPCIB_SMB_TXSLVA_ADDR(x)	(((x) & 0x7f) << 1) /* 7-bit address */
    177 #define LPCIB_SMB_HD0	0x05		/* host data 0 */
    178 #define LPCIB_SMB_HD1	0x06		/* host data 1 */
    179 #define LPCIB_SMB_HBDB	0x07		/* host block data byte */
    180 #define LPCIB_SMB_PEC	0x08		/* PEC data */
    181 #define LPCIB_SMB_RXSLVA	0x09		/* receive slave address */
    182 #define LPCIB_SMB_SD	0x0a		/* receive slave data */
    183 #define LPCIB_SMB_SD_MSG0(x)	((x) & 0xff)	/* data message byte 0 */
    184 #define LPCIB_SMB_SD_MSG1(x)	((x) >> 8)	/* data message byte 1 */
    185 #define LPCIB_SMB_AS	0x0c		/* auxiliary status */
    186 #define LPCIB_SMB_AS_CRCE		(1 << 0)	/* CRC error */
    187 #define LPCIB_SMB_AS_TCO		(1 << 1)	/* advanced TCO mode */
    188 #define LPCIB_SMB_AC	0x0d		/* auxiliary control */
    189 #define LPCIB_SMB_AC_AAC		(1 << 0)	/* automatically append CRC */
    190 #define LPCIB_SMB_AC_E32B		(1 << 1)	/* enable 32-byte buffer */
    191 #define LPCIB_SMB_SMLPC	0x0e		/* SMLink pin control */
    192 #define LPCIB_SMB_SMLPC_LINK0	(1 << 0)	/* SMLINK0 pin state */
    193 #define LPCIB_SMB_SMLPC_LINK1	(1 << 1)	/* SMLINK1 pin state */
    194 #define LPCIB_SMB_SMLPC_CLKC	(1 << 2)	/* SMLINK0 pin is untouched */
    195 #define LPCIB_SMB_SMBPC	0x0f		/* SMBus pin control */
    196 #define LPCIB_SMB_SMBPC_CLK	(1 << 0)	/* SMBCLK pin state */
    197 #define LPCIB_SMB_SMBPC_DATA	(1 << 1)	/* SMBDATA pin state */
    198 #define LPCIB_SMB_SMBPC_CLKC	(1 << 2)	/* SMBCLK pin is untouched */
    199 #define LPCIB_SMB_SS	0x10		/* slave status */
    200 #define LPCIB_SMB_SS_HN		(1 << 0)	/* Host Notify command */
    201 #define LPCIB_SMB_SCMD	0x11		/* slave command */
    202 #define LPCIB_SMB_SCMD_INTREN	(1 << 0)	/* enable interrupts on HN */
    203 #define LPCIB_SMB_SCMD_WKEN	(1 << 1)	/* wake on HN */
    204 #define LPCIB_SMB_SCMD_SMBALDS	(1 << 2)	/* disable SMBALERT# intr */
    205 #define LPCIB_SMB_NDADDR	0x14		/* notify device address */
    206 #define LPCIB_SMB_NDADDR_ADDR(x)	((x) >> 1)	/* 7-bit address */
    207 #define LPCIB_SMB_NDLOW	0x16		/* notify data low byte */
    208 #define LPCIB_SMB_NDHIGH	0x17		/* notify data high byte */
    209 
    210 /* ICH Chipset Configuration Registers (ICH6 and newer) */
    211 #define LPCIB_RCBA		0xf0
    212 #define LPCIB_GCS_OFFSET	0x3410
    213 #define LPCIB_GCS_SIZE		4
    214 #define LPCIB_GCS_NO_REBOOT	0x20
    215 
    216 /*
    217  * System management TCO registers
    218  *  (offset from PMBASE)
    219  */
    220 #define LPCIB_TCO_BASE		0x60
    221 #define LPCIB_TCO_RLD		(LPCIB_TCO_BASE+0x00)
    222 #define LPCIB_TCO_TMR		(LPCIB_TCO_BASE+0x01)
    223 #define LPCIB_TCO_TMR2		(LPCIB_TCO_BASE+0x12) /* ICH6 and newer */
    224 # define LPCIB_TCO_TMR_MASK 		0x3f
    225 #define LPCIB_TCO_DAT_IN	(LPCIB_TCO_BASE+0x02)
    226 #define LPCIB_TCO_DAT_OUT	(LPCIB_TCO_BASE+0x03)
    227 #define LPCIB_TCO1_STS		(LPCIB_TCO_BASE+0x04)
    228 # define LPCIB_TCO1_STS_TIMEOUT 	0x08
    229 #define LPCIB_TCO2_STS		(LPCIB_TCO_BASE+0x06)
    230 # define LPCIB_TCO2_STS_BOOT_STS 	0x04
    231 # define LPCIB_TCO2_STS_SECONDS_TO_STS 	0x02
    232 #define LPCIB_TCO1_CNT		(LPCIB_TCO_BASE+0x08)
    233 # define LPCIB_TCO1_CNT_TCO_LOCK 	(1 << 12)
    234 # define LPCIB_TCO1_CNT_TCO_TMR_HLT	(1 << 11)
    235 # define LPCIB_TCO1_CNT_SEND_NOW	(1 << 10)
    236 # define LPCIB_TCO1_CNT_NMI2SMI_EN	(1 << 9)
    237 # define LPCIB_TCO1_CNT_NMI_NOW		(1 << 8)
    238 #define LPCIB_TCO2_CNT		(LPCIB_TCO_BASE+0x0a)
    239 #define LPCIB_TCO_MESSAGE1	(LPCIB_TCO_BASE+0x0c)
    240 #define LPCIB_TCO_MESSAGE2	(LPCIB_TCO_BASE+0x0d)
    241 #define LPCIB_TCO_WDSTATUS	(LPCIB_TCO_BASE+0x0e)
    242 #define LPCIB_SW_IRQ_GEN	(LPCIB_TCO_BASE+0x10)
    243 
    244 /*
    245  * TCO timer tick.  ICH datasheets say:
    246  *  - The timer is clocked at approximately 0.6 seconds
    247  *  - 6 bit; values of 0-3 will be ignored and should not be attempted
    248  */
    249 static __inline int
    250 lpcib_tcotimer_tick_to_second(int ltick)
    251 {
    252 	return ltick * 6 / 10;
    253 }
    254 
    255 static __inline int
    256 lpcib_tcotimer_second_to_tick(int ltick)
    257 {
    258 	return ltick * 10 / 6;
    259 }
    260 
    261 #define LPCIB_TCOTIMER_MIN_TICK 	4
    262 #define LPCIB_TCOTIMER2_MIN_TICK	2
    263 #define LPCIB_TCOTIMER_MAX_TICK 	0x3f 	/* 39 seconds max */
    264 #define LPCIB_TCOTIMER2_MAX_TICK 	0x265	/* 613 seconds max */
    265 
    266 #endif /*  _DEV_IC_I82801LPGREG_H_ */
    267