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2002-07-16 Eric Norum <eric.norum@usask.ca>

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* New driver for the Intel EtherExpressPro (82559ER) chip.
	* network/if_fxp.c, network/if_fxpreg.h, network/if_fxpvar.h,
	network/pci.h: New file.
	* network/Makefile.am: Modified to reflect above.
This commit is contained in:
Joel Sherrill
2002-07-16 22:37:13 +00:00
parent cd66632f0b
commit 2b947a45d7
6 changed files with 4028 additions and 3 deletions
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7
c/src/libchip/ChangeLog
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@@ -1,3 +1,10 @@
2002-07-16 Eric Norum <eric.norum@usask.ca>
* New driver for the Intel EtherExpressPro (82559ER) chip.
* network/if_fxp.c, network/if_fxpreg.h, network/if_fxpvar.h,
network/pci.h: New file.
* network/Makefile.am: Modified to reflect above.
2001-05-14 Till Straumann <strauman@slac.stanford.edu>
* bootloader/Makefile.am, console/Makefile.am, pci/Makefile.am:

6
c/src/libchip/network/Makefile.am
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@@ -9,10 +9,10 @@ LIBNAME = libnetchip
LIB = $(ARCH)/$(LIBNAME).a
# add cs8900.c to work with it and make it compile
C_FILES = dec21140.c i82586.c sonic.c
C_FILES = dec21140.c i82586.c sonic.c if_fxp.c
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
include_libchip_HEADERS = cs8900.h i82586var.h sonic.h
include_libchip_HEADERS = cs8900.h i82586var.h if_fxpvar.h sonic.h
OBJS = $(C_O_FILES)
@@ -52,6 +52,6 @@ endif
.PRECIOUS: $(LIB)
EXTRA_DIST = README README.cs8900 README.dec21140 README.i82586 README.sonic \
cs8900.c dec21140.c i82586.c sonic.c
cs8900.c dec21140.c i82586.c if_fxp.c sonic.c
include $(top_srcdir)/../../../automake/local.am

2294
c/src/libchip/network/if_fxp.c Normal file
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370
c/src/libchip/network/if_fxpreg.h Normal file
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@@ -0,0 +1,370 @@
/*
* Copyright (c) 1995, David Greenman
* Copyright (c) 2001 Jonathan Lemon <jlemon@freebsd.org>
* 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 unmodified, 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: src/sys/dev/fxp/if_fxpreg.h,v 1.23.2.4 2001/08/31 02:17:02 jlemon Exp $
*/
#define FXP_VENDORID_INTEL 0x8086
#define FXP_PCI_MMBA 0x10
#define FXP_PCI_IOBA 0x14
/*
* Control/status registers.
*/
#define FXP_CSR_SCB_RUSCUS 0 /* scb_rus/scb_cus (1 byte) */
#define FXP_CSR_SCB_STATACK 1 /* scb_statack (1 byte) */
#define FXP_CSR_SCB_COMMAND 2 /* scb_command (1 byte) */
#define FXP_CSR_SCB_INTRCNTL 3 /* scb_intrcntl (1 byte) */
#define FXP_CSR_SCB_GENERAL 4 /* scb_general (4 bytes) */
#define FXP_CSR_PORT 8 /* port (4 bytes) */
#define FXP_CSR_FLASHCONTROL 12 /* flash control (2 bytes) */
#define FXP_CSR_EEPROMCONTROL 14 /* eeprom control (2 bytes) */
#define FXP_CSR_MDICONTROL 16 /* mdi control (4 bytes) */
#define FXP_CSR_FLOWCONTROL 0x19 /* flow control (2 bytes) */
#define FXP_CSR_GENCONTROL 0x1C /* general control (1 byte) */
/*
* FOR REFERENCE ONLY, the old definition of FXP_CSR_SCB_RUSCUS:
*
* volatile u_int8_t :2,
* scb_rus:4,
* scb_cus:2;
*/
#define FXP_PORT_SOFTWARE_RESET 0
#define FXP_PORT_SELFTEST 1
#define FXP_PORT_SELECTIVE_RESET 2
#define FXP_PORT_DUMP 3
#define FXP_SCB_RUS_IDLE 0
#define FXP_SCB_RUS_SUSPENDED 1
#define FXP_SCB_RUS_NORESOURCES 2
#define FXP_SCB_RUS_READY 4
#define FXP_SCB_RUS_SUSP_NORBDS 9
#define FXP_SCB_RUS_NORES_NORBDS 10
#define FXP_SCB_RUS_READY_NORBDS 12
#define FXP_SCB_CUS_IDLE 0
#define FXP_SCB_CUS_SUSPENDED 1
#define FXP_SCB_CUS_ACTIVE 2
#define FXP_SCB_INTR_DISABLE 0x01 /* Disable all interrupts */
#define FXP_SCB_INTR_SWI 0x02 /* Generate SWI */
#define FXP_SCB_INTMASK_FCP 0x04
#define FXP_SCB_INTMASK_ER 0x08
#define FXP_SCB_INTMASK_RNR 0x10
#define FXP_SCB_INTMASK_CNA 0x20
#define FXP_SCB_INTMASK_FR 0x40
#define FXP_SCB_INTMASK_CXTNO 0x80
#define FXP_SCB_STATACK_FCP 0x01 /* Flow Control Pause */
#define FXP_SCB_STATACK_ER 0x02 /* Early Receive */
#define FXP_SCB_STATACK_SWI 0x04
#define FXP_SCB_STATACK_MDI 0x08
#define FXP_SCB_STATACK_RNR 0x10
#define FXP_SCB_STATACK_CNA 0x20
#define FXP_SCB_STATACK_FR 0x40
#define FXP_SCB_STATACK_CXTNO 0x80
#define FXP_SCB_COMMAND_CU_NOP 0x00
#define FXP_SCB_COMMAND_CU_START 0x10
#define FXP_SCB_COMMAND_CU_RESUME 0x20
#define FXP_SCB_COMMAND_CU_DUMP_ADR 0x40
#define FXP_SCB_COMMAND_CU_DUMP 0x50
#define FXP_SCB_COMMAND_CU_BASE 0x60
#define FXP_SCB_COMMAND_CU_DUMPRESET 0x70
#define FXP_SCB_COMMAND_RU_NOP 0
#define FXP_SCB_COMMAND_RU_START 1
#define FXP_SCB_COMMAND_RU_RESUME 2
#define FXP_SCB_COMMAND_RU_ABORT 4
#define FXP_SCB_COMMAND_RU_LOADHDS 5
#define FXP_SCB_COMMAND_RU_BASE 6
#define FXP_SCB_COMMAND_RU_RBDRESUME 7
/*
* Command block definitions
*/
struct fxp_cb_nop {
void *fill[2];
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
};
struct fxp_cb_ias {
void *fill[2];
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
volatile u_int8_t macaddr[6];
};
/* I hate bit-fields :-( */
struct fxp_cb_config {
void *fill[2];
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
volatile u_int byte_count:6,
:2;
volatile u_int rx_fifo_limit:4,
tx_fifo_limit:3,
:1;
volatile u_int8_t adaptive_ifs;
volatile u_int mwi_enable:1, /* 8,9 */
type_enable:1, /* 8,9 */
read_align_en:1, /* 8,9 */
end_wr_on_cl:1, /* 8,9 */
:4;
volatile u_int rx_dma_bytecount:7,
:1;
volatile u_int tx_dma_bytecount:7,
dma_mbce:1;
volatile u_int late_scb:1, /* 7 */
direct_dma_dis:1, /* 8,9 */
tno_int_or_tco_en:1, /* 7,9 */
ci_int:1,
ext_txcb_dis:1, /* 8,9 */
ext_stats_dis:1, /* 8,9 */
keep_overrun_rx:1,
save_bf:1;
volatile u_int disc_short_rx:1,
underrun_retry:2,
:3,
two_frames:1, /* 8,9 */
dyn_tbd:1; /* 8,9 */
volatile u_int mediatype:1, /* 7 */
:6,
csma_dis:1; /* 8,9 */
volatile u_int tcp_udp_cksum:1, /* 9 */
:3,
vlan_tco:1, /* 8,9 */
link_wake_en:1, /* 8,9 */
arp_wake_en:1, /* 8 */
mc_wake_en:1; /* 8 */
volatile u_int :3,
nsai:1,
preamble_length:2,
loopback:2;
volatile u_int linear_priority:3, /* 7 */
:5;
volatile u_int linear_pri_mode:1, /* 7 */
:3,
interfrm_spacing:4;
volatile u_int :8;
volatile u_int :8;
volatile u_int promiscuous:1,
bcast_disable:1,
wait_after_win:1, /* 8,9 */
:1,
ignore_ul:1, /* 8,9 */
crc16_en:1, /* 9 */
:1,
crscdt:1;
volatile u_int fc_delay_lsb:8; /* 8,9 */
volatile u_int fc_delay_msb:8; /* 8,9 */
volatile u_int stripping:1,
padding:1,
rcv_crc_xfer:1,
long_rx_en:1, /* 8,9 */
pri_fc_thresh:3, /* 8,9 */
:1;
volatile u_int ia_wake_en:1, /* 8 */
magic_pkt_dis:1, /* 8,9,!9ER */
tx_fc_dis:1, /* 8,9 */
rx_fc_restop:1, /* 8,9 */
rx_fc_restart:1, /* 8,9 */
fc_filter:1, /* 8,9 */
force_fdx:1,
fdx_pin_en:1;
volatile u_int :5,
pri_fc_loc:1, /* 8,9 */
multi_ia:1,
:1;
volatile u_int :3,
mc_all:1,
:4;
};
#define MAXMCADDR 80
struct fxp_cb_mcs {
struct fxp_cb_tx *next;
struct mbuf *mb_head;
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
volatile u_int16_t mc_cnt;
volatile u_int8_t mc_addr[MAXMCADDR][6];
};
/*
* Number of DMA segments in a TxCB. Note that this is carefully
* chosen to make the total struct size an even power of two. It's
* critical that no TxCB be split across a page boundry since
* no attempt is made to allocate physically contiguous memory.
*
*/
#ifdef __alpha__ /* XXX - should be conditional on pointer size */
#define FXP_NTXSEG 28
#else
#define FXP_NTXSEG 29
#endif
struct fxp_tbd {
volatile u_int32_t tb_addr;
volatile u_int32_t tb_size;
};
struct fxp_cb_tx {
struct fxp_cb_tx *next;
struct mbuf *mb_head;
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
volatile u_int32_t tbd_array_addr;
volatile u_int16_t byte_count;
volatile u_int8_t tx_threshold;
volatile u_int8_t tbd_number;
/*
* The following structure isn't actually part of the TxCB,
* unless the extended TxCB feature is being used. In this
* case, the first two elements of the structure below are
* fetched along with the TxCB.
*/
volatile struct fxp_tbd tbd[FXP_NTXSEG];
};
/*
* Control Block (CB) definitions
*/
/* status */
#define FXP_CB_STATUS_OK 0x2000
#define FXP_CB_STATUS_C 0x8000
/* commands */
#define FXP_CB_COMMAND_NOP 0x0
#define FXP_CB_COMMAND_IAS 0x1
#define FXP_CB_COMMAND_CONFIG 0x2
#define FXP_CB_COMMAND_MCAS 0x3
#define FXP_CB_COMMAND_XMIT 0x4
#define FXP_CB_COMMAND_RESRV 0x5
#define FXP_CB_COMMAND_DUMP 0x6
#define FXP_CB_COMMAND_DIAG 0x7
/* command flags */
#define FXP_CB_COMMAND_SF 0x0008 /* simple/flexible mode */
#define FXP_CB_COMMAND_I 0x2000 /* generate interrupt on completion */
#define FXP_CB_COMMAND_S 0x4000 /* suspend on completion */
#define FXP_CB_COMMAND_EL 0x8000 /* end of list */
/*
* RFA definitions
*/
struct fxp_rfa {
volatile u_int16_t rfa_status;
volatile u_int16_t rfa_control;
volatile u_int8_t link_addr[4];
volatile u_int8_t rbd_addr[4];
volatile u_int16_t actual_size;
volatile u_int16_t size;
};
#define FXP_RFA_STATUS_RCOL 0x0001 /* receive collision */
#define FXP_RFA_STATUS_IAMATCH 0x0002 /* 0 = matches station address */
#define FXP_RFA_STATUS_S4 0x0010 /* receive error from PHY */
#define FXP_RFA_STATUS_TL 0x0020 /* type/length */
#define FXP_RFA_STATUS_FTS 0x0080 /* frame too short */
#define FXP_RFA_STATUS_OVERRUN 0x0100 /* DMA overrun */
#define FXP_RFA_STATUS_RNR 0x0200 /* no resources */
#define FXP_RFA_STATUS_ALIGN 0x0400 /* alignment error */
#define FXP_RFA_STATUS_CRC 0x0800 /* CRC error */
#define FXP_RFA_STATUS_OK 0x2000 /* packet received okay */
#define FXP_RFA_STATUS_C 0x8000 /* packet reception complete */
#define FXP_RFA_CONTROL_SF 0x08 /* simple/flexible memory mode */
#define FXP_RFA_CONTROL_H 0x10 /* header RFD */
#define FXP_RFA_CONTROL_S 0x4000 /* suspend after reception */
#define FXP_RFA_CONTROL_EL 0x8000 /* end of list */
/*
* Statistics dump area definitions
*/
struct fxp_stats {
volatile u_int32_t tx_good;
volatile u_int32_t tx_maxcols;
volatile u_int32_t tx_latecols;
volatile u_int32_t tx_underruns;
volatile u_int32_t tx_lostcrs;
volatile u_int32_t tx_deffered;
volatile u_int32_t tx_single_collisions;
volatile u_int32_t tx_multiple_collisions;
volatile u_int32_t tx_total_collisions;
volatile u_int32_t rx_good;
volatile u_int32_t rx_crc_errors;
volatile u_int32_t rx_alignment_errors;
volatile u_int32_t rx_rnr_errors;
volatile u_int32_t rx_overrun_errors;
volatile u_int32_t rx_cdt_errors;
volatile u_int32_t rx_shortframes;
volatile u_int32_t completion_status;
};
#define FXP_STATS_DUMP_COMPLETE 0xa005
#define FXP_STATS_DR_COMPLETE 0xa007
/*
* Serial EEPROM control register bits
*/
#define FXP_EEPROM_EESK 0x01 /* shift clock */
#define FXP_EEPROM_EECS 0x02 /* chip select */
#define FXP_EEPROM_EEDI 0x04 /* data in */
#define FXP_EEPROM_EEDO 0x08 /* data out */
/*
* Serial EEPROM opcodes, including start bit
*/
#define FXP_EEPROM_OPC_ERASE 0x4
#define FXP_EEPROM_OPC_WRITE 0x5
#define FXP_EEPROM_OPC_READ 0x6
/*
* Management Data Interface opcodes
*/
#define FXP_MDI_WRITE 0x1
#define FXP_MDI_READ 0x2
/*
* PHY device types
*/
#define FXP_PHY_DEVICE_MASK 0x3f00
#define FXP_PHY_SERIAL_ONLY 0x8000
#define FXP_PHY_NONE 0
#define FXP_PHY_82553A 1
#define FXP_PHY_82553C 2
#define FXP_PHY_82503 3
#define FXP_PHY_DP83840 4
#define FXP_PHY_80C240 5
#define FXP_PHY_80C24 6
#define FXP_PHY_82555 7
#define FXP_PHY_DP83840A 10
#define FXP_PHY_82555B 11

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c/src/libchip/network/if_fxpvar.h Normal file
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/*
* Copyright (c) 1995, David Greenman
* 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 unmodified, 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: src/sys/dev/fxp/if_fxpvar.h,v 1.17.2.3 2001/06/08 20:36:58 jlemon Exp $
*/
/*
* Misc. defintions for the Intel EtherExpress Pro/100B PCI Fast
* Ethernet driver
*/
/*
* Number of transmit control blocks. This determines the number
* of transmit buffers that can be chained in the CB list.
* This must be a power of two.
*/
#define FXP_NTXCB 128
/*
* Number of completed TX commands at which point an interrupt
* will be generated to garbage collect the attached buffers.
* Must be at least one less than FXP_NTXCB, and should be
* enough less so that the transmitter doesn't becomes idle
* during the buffer rundown (which would reduce performance).
*/
#define FXP_CXINT_THRESH 120
/*
* TxCB list index mask. This is used to do list wrap-around.
*/
#define FXP_TXCB_MASK (FXP_NTXCB - 1)
/*
* Number of receive frame area buffers. These are large so chose
* wisely.
*/
#if 0
#define FXP_NRFABUFS 64
#else
#define FXP_NRFABUFS 16
#endif
/*
* Maximum number of seconds that the receiver can be idle before we
* assume it's dead and attempt to reset it by reprogramming the
* multicast filter. This is part of a work-around for a bug in the
* NIC. See fxp_stats_update().
*/
#define FXP_MAX_RX_IDLE 15
#if __FreeBSD_version < 500000
#define FXP_LOCK(_sc)
#define FXP_UNLOCK(_sc)
#define mtx_init(a, b, c)
#define mtx_destroy(a)
struct mtx { int dummy; };
#else
#define FXP_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
#define FXP_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
#endif
#ifdef __alpha__
#undef vtophys
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)(va))
#endif /* __alpha__ */
/*
* NOTE: Elements are ordered for optimal cacheline behavior, and NOT
* for functional grouping.
*/
struct fxp_softc {
struct arpcom arpcom; /* per-interface network data */
#ifdef NOTUSED
struct resource *mem; /* resource descriptor for registers */
int rtp; /* register resource type */
int rgd; /* register descriptor in use */
struct resource *irq; /* resource descriptor for interrupt */
#endif
void *ih; /* interrupt handler cookie */
struct mtx sc_mtx;
#ifdef NOTUSED /* change for RTEMS */
bus_space_tag_t sc_st; /* bus space tag */
bus_space_handle_t sc_sh; /* bus space handle */
#else
int pci_signature; /* RTEMS i386 PCI signature */
boolean pci_regs_are_io; /* RTEMS dev regs are I/O mapped */
u_int32_t pci_regs_base; /* RTEMS i386 register base */
rtems_id daemonTid; /* Task ID of deamon */
rtems_irq_connect_data irqInfo;
#endif
struct mbuf *rfa_headm; /* first mbuf in receive frame area */
struct mbuf *rfa_tailm; /* last mbuf in receive frame area */
struct fxp_cb_tx *cbl_first; /* first active TxCB in list */
int tx_queued; /* # of active TxCB's */
int need_mcsetup; /* multicast filter needs programming */
struct fxp_cb_tx *cbl_last; /* last active TxCB in list */
struct fxp_stats *fxp_stats; /* Pointer to interface stats */
int rx_idle_secs; /* # of seconds RX has been idle */
enum {fxp_timeout_stopped,fxp_timeout_running,fxp_timeout_stop_rq}
stat_ch; /* status of status updater */
struct fxp_cb_tx *cbl_base; /* base of TxCB list */
struct fxp_cb_mcs *mcsp; /* Pointer to mcast setup descriptor */
#ifdef NOTUSED
struct ifmedia sc_media; /* media information */
device_t miibus;
device_t dev;
#endif
int eeprom_size; /* size of serial EEPROM */
int suspended; /* 0 = normal 1 = suspended (APM) */
int cu_resume_bug;
int chip;
int flags;
u_int32_t saved_maps[5]; /* pci data */
u_int32_t saved_biosaddr;
u_int8_t saved_intline;
u_int8_t saved_cachelnsz;
u_int8_t saved_lattimer;
};
#define FXP_CHIP_82557 1 /* 82557 chip type */
#define FXP_FLAG_MWI_ENABLE 0x0001 /* MWI enable */
#define FXP_FLAG_READ_ALIGN 0x0002 /* align read access with cacheline */
#define FXP_FLAG_WRITE_ALIGN 0x0004 /* end write on cacheline */
#define FXP_FLAG_EXT_TXCB 0x0008 /* enable use of extended TXCB */
#define FXP_FLAG_SERIAL_MEDIA 0x0010 /* 10Mbps serial interface */
#define FXP_FLAG_LONG_PKT_EN 0x0020 /* enable long packet reception */
#define FXP_FLAG_ALL_MCAST 0x0040 /* accept all multicast frames */
#define FXP_FLAG_CU_RESUME_BUG 0x0080 /* requires workaround for CU_RESUME */
/* Macros to ease CSR access. */
#if 0
#define CSR_READ_1(sc, reg) \
bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_READ_2(sc, reg) \
bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_READ_4(sc, reg) \
bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
#define CSR_WRITE_1(sc, reg, val) \
bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#define CSR_WRITE_2(sc, reg, val) \
bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#define CSR_WRITE_4(sc, reg, val) \
bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
#else
#define CSR_READ_1(sc, reg) fxp_csr_read_1(sc,reg)
#define CSR_READ_2(sc, reg) fxp_csr_read_2(sc,reg)
#define CSR_READ_4(sc, reg) fxp_csr_read_4(sc,reg)
#define CSR_WRITE_1(sc, reg, val) \
do { \
if ((sc)->pci_regs_are_io) \
outport_byte((sc)->pci_regs_base+(reg),val); \
else \
*((u_int8_t *)((sc)->pci_regs_base)+(reg)) = val; \
}while (0)
#define CSR_WRITE_2(sc, reg, val) \
do { \
if ((sc)->pci_regs_are_io) \
outport_word((sc)->pci_regs_base+(reg),val); \
else \
*((u_int16_t *)((u_int8_t *)((sc)->pci_regs_base)+(reg))) = val; \
}while (0)
#define CSR_WRITE_4(sc, reg, val) \
do { \
if ((sc)->pci_regs_are_io) \
outport_long((sc)->pci_regs_base+(reg),val); \
else \
*((u_int32_t *)((u_int8_t *)((sc)->pci_regs_base)+(reg))) = val; \
}while (0)
#endif
#define sc_if arpcom.ac_if
#define FXP_UNIT(_sc) (_sc)->arpcom.ac_if.if_unit

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