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freebsd-dev/sys/pci/if_vrreg.h
sam 878ea2dbc4 Drop the driver lock around calls to if_input to avoid a LOR when 
the packets are immediately returned for sending (e.g.  when bridging
or packet forwarding).  There are more efficient ways to do this
but for now use the least intrusive approach.

Reviewed by:	imp, rwatson
2003-11-14 19:00:32 +00:00

596 lines
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/*
* Copyright (c) 1997, 1998
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* 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 Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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.
*
* $FreeBSD$
*/
/*
* Rhine register definitions.
*/
#define VR_PAR0 0x00 /* node address 0 to 4 */
#define VR_PAR1 0x04 /* node address 2 to 6 */
#define VR_RXCFG 0x06 /* receiver config register */
#define VR_TXCFG 0x07 /* transmit config register */
#define VR_COMMAND 0x08 /* command register */
#define VR_ISR 0x0C /* interrupt/status register */
#define VR_IMR 0x0E /* interrupt mask register */
#define VR_MAR0 0x10 /* multicast hash 0 */
#define VR_MAR1 0x14 /* multicast hash 1 */
#define VR_RXADDR 0x18 /* rx descriptor list start addr */
#define VR_TXADDR 0x1C /* tx descriptor list start addr */
#define VR_CURRXDESC0 0x20
#define VR_CURRXDESC1 0x24
#define VR_CURRXDESC2 0x28
#define VR_CURRXDESC3 0x2C
#define VR_NEXTRXDESC0 0x30
#define VR_NEXTRXDESC1 0x34
#define VR_NEXTRXDESC2 0x38
#define VR_NEXTRXDESC3 0x3C
#define VR_CURTXDESC0 0x40
#define VR_CURTXDESC1 0x44
#define VR_CURTXDESC2 0x48
#define VR_CURTXDESC3 0x4C
#define VR_NEXTTXDESC0 0x50
#define VR_NEXTTXDESC1 0x54
#define VR_NEXTTXDESC2 0x58
#define VR_NEXTTXDESC3 0x5C
#define VR_CURRXDMA 0x60 /* current RX DMA address */
#define VR_CURTXDMA 0x64 /* current TX DMA address */
#define VR_TALLYCNT 0x68 /* tally counter test register */
#define VR_PHYADDR 0x6C
#define VR_MIISTAT 0x6D
#define VR_BCR0 0x6E
#define VR_BCR1 0x6F
#define VR_MIICMD 0x70
#define VR_MIIADDR 0x71
#define VR_MIIDATA 0x72
#define VR_EECSR 0x74
#define VR_TEST 0x75
#define VR_GPIO 0x76
#define VR_CONFIG 0x78
#define VR_MPA_CNT 0x7C
#define VR_CRC_CNT 0x7E
#define VR_STICKHW 0x83
/* Misc Registers */
#define VR_MISC_CR1 0x81
#define VR_MISCCR1_FORSRST 0x40
/*
* RX config bits.
*/
#define VR_RXCFG_RX_ERRPKTS 0x01
#define VR_RXCFG_RX_RUNT 0x02
#define VR_RXCFG_RX_MULTI 0x04
#define VR_RXCFG_RX_BROAD 0x08
#define VR_RXCFG_RX_PROMISC 0x10
#define VR_RXCFG_RX_THRESH 0xE0
#define VR_RXTHRESH_32BYTES 0x00
#define VR_RXTHRESH_64BYTES 0x20
#define VR_RXTHRESH_128BYTES 0x40
#define VR_RXTHRESH_256BYTES 0x60
#define VR_RXTHRESH_512BYTES 0x80
#define VR_RXTHRESH_768BYTES 0xA0
#define VR_RXTHRESH_1024BYTES 0xC0
#define VR_RXTHRESH_STORENFWD 0xE0
/*
* TX config bits.
*/
#define VR_TXCFG_RSVD0 0x01
#define VR_TXCFG_LOOPBKMODE 0x06
#define VR_TXCFG_BACKOFF 0x08
#define VR_TXCFG_RSVD1 0x10
#define VR_TXCFG_TX_THRESH 0xE0
#define VR_TXTHRESH_32BYTES 0x00
#define VR_TXTHRESH_64BYTES 0x20
#define VR_TXTHRESH_128BYTES 0x40
#define VR_TXTHRESH_256BYTES 0x60
#define VR_TXTHRESH_512BYTES 0x80
#define VR_TXTHRESH_768BYTES 0xA0
#define VR_TXTHRESH_1024BYTES 0xC0
#define VR_TXTHRESH_STORENFWD 0xE0
/*
* Command register bits.
*/
#define VR_CMD_INIT 0x0001
#define VR_CMD_START 0x0002
#define VR_CMD_STOP 0x0004
#define VR_CMD_RX_ON 0x0008
#define VR_CMD_TX_ON 0x0010
#define VR_CMD_TX_GO 0x0020
#define VR_CMD_RX_GO 0x0040
#define VR_CMD_RSVD 0x0080
#define VR_CMD_RX_EARLY 0x0100
#define VR_CMD_TX_EARLY 0x0200
#define VR_CMD_FULLDUPLEX 0x0400
#define VR_CMD_TX_NOPOLL 0x0800
#define VR_CMD_RESET 0x8000
/*
* Interrupt status bits.
*/
#define VR_ISR_RX_OK 0x0001 /* packet rx ok */
#define VR_ISR_TX_OK 0x0002 /* packet tx ok */
#define VR_ISR_RX_ERR 0x0004 /* packet rx with err */
#define VR_ISR_TX_ABRT 0x0008 /* tx aborted due to excess colls */
#define VR_ISR_TX_UNDERRUN 0x0010 /* tx buffer underflow */
#define VR_ISR_RX_NOBUF 0x0020 /* no rx buffer available */
#define VR_ISR_BUSERR 0x0040 /* PCI bus error */
#define VR_ISR_STATSOFLOW 0x0080 /* stats counter oflow */
#define VR_ISR_RX_EARLY 0x0100 /* rx early */
#define VR_ISR_LINKSTAT 0x0200 /* MII status change */
#define VR_ISR_ETI 0x0200 /* Tx early (3043/3071) */
#define VR_ISR_UDFI 0x0200 /* Tx FIFO underflow (3065) */
#define VR_ISR_RX_OFLOW 0x0400 /* rx FIFO overflow */
#define VR_ISR_RX_DROPPED 0x0800
#define VR_ISR_RX_NOBUF2 0x1000
#define VR_ISR_TX_ABRT2 0x2000
#define VR_ISR_LINKSTAT2 0x4000
#define VR_ISR_MAGICPACKET 0x8000
/*
* Interrupt mask bits.
*/
#define VR_IMR_RX_OK 0x0001 /* packet rx ok */
#define VR_IMR_TX_OK 0x0002 /* packet tx ok */
#define VR_IMR_RX_ERR 0x0004 /* packet rx with err */
#define VR_IMR_TX_ABRT 0x0008 /* tx aborted due to excess colls */
#define VR_IMR_TX_UNDERRUN 0x0010 /* tx buffer underflow */
#define VR_IMR_RX_NOBUF 0x0020 /* no rx buffer available */
#define VR_IMR_BUSERR 0x0040 /* PCI bus error */
#define VR_IMR_STATSOFLOW 0x0080 /* stats counter oflow */
#define VR_IMR_RX_EARLY 0x0100 /* rx early */
#define VR_IMR_LINKSTAT 0x0200 /* MII status change */
#define VR_IMR_RX_OFLOW 0x0400 /* rx FIFO overflow */
#define VR_IMR_RX_DROPPED 0x0800
#define VR_IMR_RX_NOBUF2 0x1000
#define VR_IMR_TX_ABRT2 0x2000
#define VR_IMR_LINKSTAT2 0x4000
#define VR_IMR_MAGICPACKET 0x8000
#define VR_INTRS \
(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF| \
VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR| \
VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
/*
* MII status register.
*/
#define VR_MIISTAT_SPEED 0x01
#define VR_MIISTAT_LINKFAULT 0x02
#define VR_MIISTAT_MGTREADERR 0x04
#define VR_MIISTAT_MIIERR 0x08
#define VR_MIISTAT_PHYOPT 0x10
#define VR_MIISTAT_MDC_SPEED 0x20
#define VR_MIISTAT_RSVD 0x40
#define VR_MIISTAT_GPIO1POLL 0x80
/*
* MII command register bits.
*/
#define VR_MIICMD_CLK 0x01
#define VR_MIICMD_DATAOUT 0x02
#define VR_MIICMD_DATAIN 0x04
#define VR_MIICMD_DIR 0x08
#define VR_MIICMD_DIRECTPGM 0x10
#define VR_MIICMD_WRITE_ENB 0x20
#define VR_MIICMD_READ_ENB 0x40
#define VR_MIICMD_AUTOPOLL 0x80
/*
* EEPROM control bits.
*/
#define VR_EECSR_DATAIN 0x01 /* data out */
#define VR_EECSR_DATAOUT 0x02 /* data in */
#define VR_EECSR_CLK 0x04 /* clock */
#define VR_EECSR_CS 0x08 /* chip select */
#define VR_EECSR_DPM 0x10
#define VR_EECSR_LOAD 0x20
#define VR_EECSR_EMBP 0x40
#define VR_EECSR_EEPR 0x80
#define VR_EECMD_WRITE 0x140
#define VR_EECMD_READ 0x180
#define VR_EECMD_ERASE 0x1c0
/*
* Test register bits.
*/
#define VR_TEST_TEST0 0x01
#define VR_TEST_TEST1 0x02
#define VR_TEST_TEST2 0x04
#define VR_TEST_TSTUD 0x08
#define VR_TEST_TSTOV 0x10
#define VR_TEST_BKOFF 0x20
#define VR_TEST_FCOL 0x40
#define VR_TEST_HBDES 0x80
/*
* Config register bits.
*/
#define VR_CFG_GPIO2OUTENB 0x00000001
#define VR_CFG_GPIO2OUT 0x00000002 /* gen. purp. pin */
#define VR_CFG_GPIO2IN 0x00000004 /* gen. purp. pin */
#define VR_CFG_AUTOOPT 0x00000008 /* enable rx/tx autopoll */
#define VR_CFG_MIIOPT 0x00000010
#define VR_CFG_MMIENB 0x00000020 /* memory mapped mode enb */
#define VR_CFG_JUMPER 0x00000040 /* PHY and oper. mode select */
#define VR_CFG_EELOAD 0x00000080 /* enable EEPROM programming */
#define VR_CFG_LATMENB 0x00000100 /* larency timer effect enb. */
#define VR_CFG_MRREADWAIT 0x00000200
#define VR_CFG_MRWRITEWAIT 0x00000400
#define VR_CFG_RX_ARB 0x00000800
#define VR_CFG_TX_ARB 0x00001000
#define VR_CFG_READMULTI 0x00002000
#define VR_CFG_TX_PACE 0x00004000
#define VR_CFG_TX_QDIS 0x00008000
#define VR_CFG_ROMSEL0 0x00010000
#define VR_CFG_ROMSEL1 0x00020000
#define VR_CFG_ROMSEL2 0x00040000
#define VR_CFG_ROMTIMESEL 0x00080000
#define VR_CFG_RSVD0 0x00100000
#define VR_CFG_ROMDLY 0x00200000
#define VR_CFG_ROMOPT 0x00400000
#define VR_CFG_RSVD1 0x00800000
#define VR_CFG_BACKOFFOPT 0x01000000
#define VR_CFG_BACKOFFMOD 0x02000000
#define VR_CFG_CAPEFFECT 0x04000000
#define VR_CFG_BACKOFFRAND 0x08000000
#define VR_CFG_MAGICKPACKET 0x10000000
#define VR_CFG_PCIREADLINE 0x20000000
#define VR_CFG_DIAG 0x40000000
#define VR_CFG_GPIOEN 0x80000000
/* Sticky HW bits */
#define VR_STICKHW_DS0 0x01
#define VR_STICKHW_DS1 0x02
#define VR_STICKHW_WOL_ENB 0x04
#define VR_STICKHW_WOL_STS 0x08
#define VR_STICKHW_LEGWOL_ENB 0x80
/*
* BCR0 register bits. (At least for the VT6102 chip.)
*/
#define VR_BCR0_DMA_LENGTH 0x07
#define VR_BCR0_DMA_32BYTES 0x00
#define VR_BCR0_DMA_64BYTES 0x01
#define VR_BCR0_DMA_128BYTES 0x02
#define VR_BCR0_DMA_256BYTES 0x03
#define VR_BCR0_DMA_512BYTES 0x04
#define VR_BCR0_DMA_1024BYTES 0x05
#define VR_BCR0_DMA_STORENFWD 0x07
#define VR_BCR0_RX_THRESH 0x38
#define VR_BCR0_RXTHRESHCFG 0x00
#define VR_BCR0_RXTHRESH64BYTES 0x08
#define VR_BCR0_RXTHRESH128BYTES 0x10
#define VR_BCR0_RXTHRESH256BYTES 0x18
#define VR_BCR0_RXTHRESH512BYTES 0x20
#define VR_BCR0_RXTHRESH1024BYTES 0x28
#define VR_BCR0_RXTHRESHSTORENFWD 0x38
#define VR_BCR0_EXTLED 0x40
#define VR_BCR0_MED2 0x80
/*
* BCR1 register bits. (At least for the VT6102 chip.)
*/
#define VR_BCR1_POT0 0x01
#define VR_BCR1_POT1 0x02
#define VR_BCR1_POT2 0x04
#define VR_BCR1_TX_THRESH 0x38
#define VR_BCR1_TXTHRESHCFG 0x00
#define VR_BCR1_TXTHRESH64BYTES 0x08
#define VR_BCR1_TXTHRESH128BYTES 0x10
#define VR_BCR1_TXTHRESH256BYTES 0x18
#define VR_BCR1_TXTHRESH512BYTES 0x20
#define VR_BCR1_TXTHRESH1024BYTES 0x28
#define VR_BCR1_TXTHRESHSTORENFWD 0x38
/*
* Rhine TX/RX list structure.
*/
struct vr_desc {
u_int32_t vr_status;
u_int32_t vr_ctl;
u_int32_t vr_ptr1;
u_int32_t vr_ptr2;
};
#define vr_data vr_ptr1
#define vr_next vr_ptr2
#define VR_RXSTAT_RXERR 0x00000001
#define VR_RXSTAT_CRCERR 0x00000002
#define VR_RXSTAT_FRAMEALIGNERR 0x00000004
#define VR_RXSTAT_FIFOOFLOW 0x00000008
#define VR_RXSTAT_GIANT 0x00000010
#define VR_RXSTAT_RUNT 0x00000020
#define VR_RXSTAT_BUSERR 0x00000040
#define VR_RXSTAT_BUFFERR 0x00000080
#define VR_RXSTAT_LASTFRAG 0x00000100
#define VR_RXSTAT_FIRSTFRAG 0x00000200
#define VR_RXSTAT_RLINK 0x00000400
#define VR_RXSTAT_RX_PHYS 0x00000800
#define VR_RXSTAT_RX_BROAD 0x00001000
#define VR_RXSTAT_RX_MULTI 0x00002000
#define VR_RXSTAT_RX_OK 0x00004000
#define VR_RXSTAT_RXLEN 0x07FF0000
#define VR_RXSTAT_RXLEN_EXT 0x78000000
#define VR_RXSTAT_OWN 0x80000000
#define VR_RXBYTES(x) ((x & VR_RXSTAT_RXLEN) >> 16)
#define VR_RXSTAT (VR_RXSTAT_FIRSTFRAG|VR_RXSTAT_LASTFRAG|VR_RXSTAT_OWN)
#define VR_RXCTL_BUFLEN 0x000007FF
#define VR_RXCTL_BUFLEN_EXT 0x00007800
#define VR_RXCTL_CHAIN 0x00008000
#define VR_RXCTL_RX_INTR 0x00800000
#define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR)
#define VR_TXSTAT_DEFER 0x00000001
#define VR_TXSTAT_UNDERRUN 0x00000002
#define VR_TXSTAT_COLLCNT 0x00000078
#define VR_TXSTAT_SQE 0x00000080
#define VR_TXSTAT_ABRT 0x00000100
#define VR_TXSTAT_LATECOLL 0x00000200
#define VR_TXSTAT_CARRLOST 0x00000400
#define VR_TXSTAT_UDF 0x00000800
#define VR_TXSTAT_BUSERR 0x00002000
#define VR_TXSTAT_JABTIMEO 0x00004000
#define VR_TXSTAT_ERRSUM 0x00008000
#define VR_TXSTAT_OWN 0x80000000
#define VR_TXCTL_BUFLEN 0x000007FF
#define VR_TXCTL_BUFLEN_EXT 0x00007800
#define VR_TXCTL_TLINK 0x00008000
#define VR_TXCTL_FIRSTFRAG 0x00200000
#define VR_TXCTL_LASTFRAG 0x00400000
#define VR_TXCTL_FINT 0x00800000
#define VR_MAXFRAGS 16
#define VR_RX_LIST_CNT 64
#define VR_TX_LIST_CNT 128
#define VR_MIN_FRAMELEN 60
#define VR_FRAMELEN 1536
#define VR_RXLEN 1520
#define VR_TXOWN(x) x->vr_ptr->vr_status
struct vr_list_data {
struct vr_desc vr_rx_list[VR_RX_LIST_CNT];
struct vr_desc vr_tx_list[VR_TX_LIST_CNT];
};
struct vr_chain {
struct vr_desc *vr_ptr;
struct mbuf *vr_mbuf;
struct vr_chain *vr_nextdesc;
};
struct vr_chain_onefrag {
struct vr_desc *vr_ptr;
struct mbuf *vr_mbuf;
struct vr_chain_onefrag *vr_nextdesc;
};
struct vr_chain_data {
struct vr_chain_onefrag vr_rx_chain[VR_RX_LIST_CNT];
struct vr_chain vr_tx_chain[VR_TX_LIST_CNT];
struct vr_chain_onefrag *vr_rx_head;
struct vr_chain *vr_tx_head;
struct vr_chain *vr_tx_tail;
struct vr_chain *vr_tx_free;
};
struct vr_type {
u_int16_t vr_vid;
u_int16_t vr_did;
char *vr_name;
};
struct vr_mii_frame {
u_int8_t mii_stdelim;
u_int8_t mii_opcode;
u_int8_t mii_phyaddr;
u_int8_t mii_regaddr;
u_int8_t mii_turnaround;
u_int16_t mii_data;
};
/*
* MII constants
*/
#define VR_MII_STARTDELIM 0x01
#define VR_MII_READOP 0x02
#define VR_MII_WRITEOP 0x01
#define VR_MII_TURNAROUND 0x02
#define VR_FLAG_FORCEDELAY 1
#define VR_FLAG_SCHEDDELAY 2
#define VR_FLAG_DELAYTIMEO 3
struct vr_softc {
struct arpcom arpcom; /* interface info */
bus_space_handle_t vr_bhandle; /* bus space handle */
bus_space_tag_t vr_btag; /* bus space tag */
struct resource *vr_res;
struct resource *vr_irq;
void *vr_intrhand;
device_t vr_miibus;
struct vr_type *vr_info; /* Rhine adapter info */
u_int8_t vr_unit; /* interface number */
u_int8_t vr_type;
u_int8_t vr_revid; /* Rhine chip revision */
u_int8_t vr_flags; /* See VR_F_* below */
struct vr_list_data *vr_ldata;
struct vr_chain_data vr_cdata;
struct callout_handle vr_stat_ch;
struct mtx vr_mtx;
};
#define VR_F_RESTART 0x01 /* Restart unit on next tick */
#define VR_LOCK(_sc) mtx_lock(&(_sc)->vr_mtx)
#define VR_UNLOCK(_sc) mtx_unlock(&(_sc)->vr_mtx)
#define VR_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->vr_mtx, MA_OWNED)
/*
* register space access macros
*/
#define CSR_WRITE_4(sc, reg, val) \
bus_space_write_4(sc->vr_btag, sc->vr_bhandle, reg, val)
#define CSR_WRITE_2(sc, reg, val) \
bus_space_write_2(sc->vr_btag, sc->vr_bhandle, reg, val)
#define CSR_WRITE_1(sc, reg, val) \
bus_space_write_1(sc->vr_btag, sc->vr_bhandle, reg, val)
#define CSR_READ_4(sc, reg) \
bus_space_read_4(sc->vr_btag, sc->vr_bhandle, reg)
#define CSR_READ_2(sc, reg) \
bus_space_read_2(sc->vr_btag, sc->vr_bhandle, reg)
#define CSR_READ_1(sc, reg) \
bus_space_read_1(sc->vr_btag, sc->vr_bhandle, reg)
#define VR_TIMEOUT 1000
#define ETHER_ALIGN 2
/*
* General constants that are fun to know.
*
* VIA vendor ID
*/
#define VIA_VENDORID 0x1106
/*
* VIA Rhine device IDs.
*/
#define VIA_DEVICEID_RHINE 0x3043
#define VIA_DEVICEID_RHINE_II 0x6100
#define VIA_DEVICEID_RHINE_II_2 0x3065
#define VIA_DEVICEID_RHINE_III 0x3106
#define VIA_DEVICEID_RHINE_III_M 0x3053
/*
* Delta Electronics device ID.
*/
#define DELTA_VENDORID 0x1500
/*
* Delta device IDs.
*/
#define DELTA_DEVICEID_RHINE_II 0x1320
/*
* Addtron vendor ID.
*/
#define ADDTRON_VENDORID 0x4033
/*
* Addtron device IDs.
*/
#define ADDTRON_DEVICEID_RHINE_II 0x1320
/*
* VIA Rhine revision IDs
*/
#define REV_ID_VT3043_E 0x04
#define REV_ID_VT3071_A 0x20
#define REV_ID_VT3071_B 0x21
#define REV_ID_VT3065_A 0x40
#define REV_ID_VT3065_B 0x41
#define REV_ID_VT3065_C 0x42
#define REV_ID_VT6102_APOLLO 0x74
#define REV_ID_VT3106 0x80
#define REV_ID_VT3106_J 0x80 /* 0x80-0x8F */
#define REV_ID_VT3106_S 0x90 /* 0x90-0xA0 */
/*
* PCI low memory base and low I/O base register, and
* other PCI registers.
*/
#define VR_PCI_VENDOR_ID 0x00
#define VR_PCI_DEVICE_ID 0x02
#define VR_PCI_COMMAND 0x04
#define VR_PCI_STATUS 0x06
#define VR_PCI_REVID 0x08
#define VR_PCI_CLASSCODE 0x09
#define VR_PCI_LATENCY_TIMER 0x0D
#define VR_PCI_HEADER_TYPE 0x0E
#define VR_PCI_LOIO 0x10
#define VR_PCI_LOMEM 0x14
#define VR_PCI_BIOSROM 0x30
#define VR_PCI_INTLINE 0x3C
#define VR_PCI_INTPIN 0x3D
#define VR_PCI_MINGNT 0x3E
#define VR_PCI_MINLAT 0x0F
#define VR_PCI_RESETOPT 0x48
#define VR_PCI_EEPROM_DATA 0x4C
#define VR_PCI_MODE 0x50
#define VR_MODE3_MIION 0x04
/* power management registers */
#define VR_PCI_CAPID 0xDC /* 8 bits */
#define VR_PCI_NEXTPTR 0xDD /* 8 bits */
#define VR_PCI_PWRMGMTCAP 0xDE /* 16 bits */
#define VR_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */
#define VR_PSTATE_MASK 0x0003
#define VR_PSTATE_D0 0x0000
#define VR_PSTATE_D1 0x0002
#define VR_PSTATE_D2 0x0002
#define VR_PSTATE_D3 0x0003
#define VR_PME_EN 0x0010
#define VR_PME_STATUS 0x8000
#ifdef __alpha__
#undef vtophys
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
#endif
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