FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/i82801lpcreg.h

     /*      $NetBSD: i82801lpcreg.h,v 1.2 2004/07/31 17:28:36 mrg Exp $     */
     
     /*-
      * Copyright (c) 2004 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Minoura Makoto.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*
     * Intel 82801 Series I/O Controller Hub (ICH) -- LPC Interface Bridge part
     *   register definitions.
     */
    /*
     * Currently only necessory part is defined (specifically TCO timer function).
     */
    
    /*
     * PCI configuration registers
     */
    #define LPCIB_PCI_PMBASE        0x40
    #define LPCIB_PCI_ACPI_CNTL     0x44
    #define LPCIB_PCI_BIOS_CNTL     0x4e
    #define LPCIB_PCI_TCO_CNTL      0x54
    #define LPCIB_PCI_GPIO_BASE     0x58
    #define LPCIB_PCI_GPIO_CNTL     0x5c
    #define LPCIB_PCI_PIRQA_ROUT    0x60
    #define LPCIB_PCI_PIRQB_ROUT    0x61
    #define LPCIB_PCI_PIRQC_ROUT    0x62
    #define LPCIB_PCI_PIRQD_ROUT    0x63
    #define LPCIB_PCI_SIRQ_CNTL     0x64
    #define LPCIB_PCI_PIRQE_ROUT    0x68
    #define LPCIB_PCI_PIRQF_ROUT    0x69
    #define LPCIB_PCI_PIRQG_ROUT    0x6a
    #define LPCIB_PCI_PIRQH_ROUT    0x6b
    #define LPCIB_PCI_D31_ERR_CFG   0x88
    #define LPCIB_PCI_D31_ERR_STS   0x8a
    #define LPCIB_PCI_PCI_DMA_C     0x90
    #define LPCIB_PCI_GEN_PMCON_1   0xa0
    # define LPCIB_PCI_GEN_PMCON_1_SS_EN    0x08
    #define LPCIB_PCI_GEN_PMCON_2   0xa2
    #define LPCIB_PCI_GEN_PMCON_3   0xa4
    #define LPCIB_PCI_STPCLK_DEL    0xa8
    #define LPCIB_PCI_GPI_ROUT      0xb8
    #define LPCIB_PCI_TRP_FWD_EN    0xc0
    #define LPCIB_PCI_MON4_TRP_RNG  0xc4
    #define LPCIB_PCI_MON5_TRP_RNG  0xc5
    #define LPCIB_PCI_MON6_TRP_RNG  0xc6
    #define LPCIB_PCI_MON7_TRP_RNG  0xc7
    #define LPCIB_PCI_MON_TRP_MSK   oxcc
    #define LPCIB_PCI_GEN_CNTL      0xd0
    #define LPCIB_PCI_GEN_STA       0xd4
    # define LPCIB_PCI_GEN_STA_SAFE_MODE    (1<<2)
    # define LPCIB_PCI_GEN_STA_NO_REBOOT    (1<<1)
    #define LPCIB_PCI_BACK_CNTL     0xd5
    #define LPCIB_PCI_RTC_CONF      0xd8
    #define LPCIB_PCI_COM_DEC       0xe0
    #define LPCIB_PCI_LPCFDD_DEC    0xe1
    #define LPCIB_PCI_SND_DEC       0xe2
    #define LPCIB_PCI_FWH_DEC_EN1   0xe3
    #define LPCIB_PCI_GEN1_DEC      0xe4
    #define LPCIB_PCI_LPC_EN        0xe6
    #define LPCIB_PCI_FWH_SEL1      0xe8
    #define LPCIB_PCI_GEN2_DEC      0xec
    #define LPCIB_PCI_FWH_SEL2      0xee
    #define LPCIB_PCI_FWH_DEC_EN2   0xf0
    #define LPCIB_PCI_FUNC_DIS      0xf2
    
    /*
     * Power management I/O registers
    *  (offset from PMBASE)
    */
   #define LPCIB_PM1_STS           0x00 /* ACPI PM1a_EVT_BLK fixed event status */
   #define LPCIB_PM1_EN            0x02 /* ACPI PM1a_EVT_BLK fixed event enable */
   #define LPCIB_PM1_CNT           0x04 /* ACPI PM1a_CNT_BLK */
   #define LPCIB_PM1_TMR           0x08 /* ACPI PMTMR_BLK power mgmt timer */
   #define LPCIB_PROC_CNT          0x10 /* ACPI P_BLK processor control */
   #define LPCIB_LV2               0x14 /* ACPI P_BLK processor C2 control */
   #define LPCIB_PM_CTRL           0x20 /* ACPI Power Management Control */
   # define LPCIB_PM_SS_STATE_LOW  0x01 /* SpeedStep Low Power State */
   #define LPCIB_GPE0_STS          0x28 /* ACPI GPE0_BLK GPE0 status */
   #define LPCIB_GPE0_EN           0x2c /* ACPI GPE0_BLK GPE0 enable */
   #define LPCIB_SMI_EN            0x30
   # define LPCIB_SMI_EN_INTEL_USB2_EN     (1 << 18)
   # define LPCIB_SMI_EN_LEGACY_USB2_EN    (1 << 17)
   # define LPCIB_SMI_EN_PERIODIC_EN       (1 << 14)
   # define LPCIB_SMI_EN_TCO_EN            (1 << 13)
   # define LPCIB_SMI_EN_MCSMI_EN          (1 << 11)
   # define LPCIB_SMI_EN_BIOS_RLS          (1 << 7)
   # define LPCIB_SMI_EN_SWSMI_TMR_EN      (1 << 6)
   # define LPCIB_SMI_EN_APMC_EN           (1 << 5)
   # define LPCIB_SMI_EN_SLP_SMI_EN        (1 << 4)
   # define LPCIB_SMI_EN_LEGACY_USB_EN     (1 << 3)
   # define LPCIB_SMI_EN_BIOS_EN           (1 << 2)
   # define LPCIB_SMI_EN_EOS               (1 << 1)
   # define LPCIB_SMI_EN_GBL_SMI_EN        (1 << 0)
   #define LPCIB_SMI_STS           0x34
   #define LPCIB_ALT_GP_SMI_EN     0x38
   #define LPCIB_ALT_GP_SMI_STS    0x3a
   #define LPCIB_MON_SMI           0x40
   #define LPCIB_DEVACT_STS        0x44
   #define LPCIB_DEVTRAP_EN        0x48
   #define LPCIB_BUS_ADDR_TRACK    0x4c
   #define LPCIB_BUS_CYC_TRACK     0x4e
   #define LPCIB_PM_SS_CNTL        0x50            /* SpeedStep control */
   # define LPCIB_PM_SS_CNTL_ARB_DIS       0x01    /* disable arbiter */
   
   /*
    * System management TCO registers
    *  (offset from PMBASE)
    */
   #define LPCIB_TCO_BASE          0x60
   #define LPCIB_TCO_RLD           (LPCIB_TCO_BASE+0x00)
   #define LPCIB_TCO_TMR           (LPCIB_TCO_BASE+0x01)
   # define LPCIB_TCO_TMR_MASK             0x3f
   #define LPCIB_TCO_DAT_IN        (LPCIB_TCO_BASE+0x02)
   #define LPCIB_TCO_DAT_OUT       (LPCIB_TCO_BASE+0x03)
   #define LPCIB_TCO1_STS          (LPCIB_TCO_BASE+0x04)
   #define LPCIB_TCO2_STS          (LPCIB_TCO_BASE+0x06)
   #define LPCIB_TCO1_CNT          (LPCIB_TCO_BASE+0x08)
   # define LPCIB_TCO1_CNT_TCO_TMR_HLT     (1 << 11)
   # define LPCIB_TCO1_CNT_SEND_NOW        (1 << 10)
   # define LPCIB_TCO1_CNT_NMI2SMI_EN      (1 << 9)
   # define LPCIB_TCO1_CNT_NMI_NOW         (1 << 8)
   #define LPCIB_TCO2_CNT          (LPCIB_TCO_BASE+0x0a)
   #define LPCIB_TCO_MESSAGE1      (LPCIB_TCO_BASE+0x0c)
   #define LPCIB_TCO_MESSAGE2      (LPCIB_TCO_BASE+0x0d)
   #define LPCIB_TCO_WDSTATUS      (LPCIB_TCO_BASE+0x0e)
   #define LPCIB_SW_IRQ_GEN        (LPCIB_TCO_BASE+0x10)
   
   /*
    * TCO timer tick.  ICH datasheets say:
    *  - The timer is clocked at approximately 0.6 seconds
    *  - 6 bit; values of 0-3 will be ignored and should not be attempted
    */
   static inline int
   lpcib_tcotimer_tick_to_second(int tick)
   {
           return tick * 6 / 10;
   }
   
   static inline int
   lpcib_tcotimer_second_to_tick(int tick)
   {
           return tick * 10 / 6;
   }
   #define LPCIB_TCOTIMER_MIN_TICK 4
   #define LPCIB_TCOTIMER_MAX_TICK 0x3f

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