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8199d3a79c
linux_dsm_epyc7002/drivers/net/chelsio/regs.h
Christoph Lameter 8199d3a79c [PATCH] A new 10GB Ethernet Driver by Chelsio Communications 
A Linux driver for the Chelsio 10Gb Ethernet Network Controller by Chelsio
(http://www.chelsio.com).  This driver supports the Chelsio N210 NIC and is
backward compatible with the Chelsio N110 model 10Gb NICs.  It supports
AMD64, EM64T and x86 systems.

Signed-off-by: Tina Yang <tinay@chelsio.com>
Signed-off-by: Scott Bardone <sbardone@chelsio.com>
Signed-off-by: Christoph Lameter <christoph@lameter.com>

Adrian said:

- my3126.c is unused (because t1_my3126_ops isn't used anywhere)
- what are the EXTRA_CFLAGS in drivers/net/chelsio/Makefile for?
- $(cxgb-y) in drivers/net/chelsio/Makefile seems to be unneeded
- completely unused global functions:
  - espi.c: t1_espi_get_intr_counts
  - sge.c: t1_sge_get_intr_counts
- the following functions can be made static:
  - sge.c: t1_espi_workaround
  - sge.c: t1_sge_tx
  - subr.c: __t1_tpi_read
  - subr.c: __t1_tpi_write
  - subr.c: t1_wait_op_done

shemminger said:

The performance recommendations in cxgb.txt are common to all fast devices,
and should be in one file rather than just for this device. I would rather
see ip-sysctl.txt updated or a new file on tuning recommendations started.
Some of them have consequences that aren't documented well.
For example, turning off TCP timestamps risks data corruption from sequence wrap.

A new driver shouldn't need so may #ifdef's unless you want to putit on older
vendor versions of 2.4

Some accessor and wrapper functions like:
        t1_pci_read_config_4
        adapter_name
        t1_malloc
are just annoying noise.

Why have useless dead code like:

/* Interrupt handler */
+static int pm3393_interrupt_handler(struct cmac *cmac)
+{
+       u32 master_intr_status;
+/*
+    1. Read master interrupt register.
+    2. Read BLOCK's interrupt status registers.
+    3. Handle BLOCK interrupts.
+*/

Jeff said:

step 1:  kill all the OS wrappers.

 And do you really need hooks for multiple MACs, when only one MAC is
 really supported?  Typically these hooks are at a higher level anyway --
 struct net_device.

From: Christoph Lameter <christoph@lameter

Driver modified as suggested by Pekka Enberg, Stephen Hemminger and Andrian
Bunk.  Reduces the size of the driver to ~260k.

- clean up tabs
- removed my3126.c
- removed 85% of suni1x10gexp_regs.h
- removed 80% of regs.h
- removed various calls, renamed variables/functions.
- removed system specific and other wrappers (usleep, msleep)
- removed dead code
- dropped redundant casts in osdep.h
- dropped redundant check of kfree
- dropped weird code (MODVERSIONS stuff)
- reduced number of #ifdefs
- use kcalloc now instead of kmalloc
- Add information about known issues with the driver
- Add information about authors

Signed-off-by: Scott Bardone <sbardone@chelsio.com>
Signed-off-by: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>

diff -puN /dev/null Documentation/networking/cxgb.txt
2005-05-15 19:15:02 -04:00

454 lines
15 KiB
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/*****************************************************************************
* *
* File: regs.h *
* $Revision: 1.4 $ *
* $Date: 2005/03/23 07:15:59 $ *
* Description: *
* part of the Chelsio 10Gb Ethernet Driver. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License, version 2, as *
* published by the Free Software Foundation. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
* *
* http://www.chelsio.com *
* *
* Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
* All rights reserved. *
* *
* Maintainers: maintainers@chelsio.com *
* *
* Authors: Dimitrios Michailidis <dm@chelsio.com> *
* Tina Yang <tainay@chelsio.com> *
* Felix Marti <felix@chelsio.com> *
* Scott Bardone <sbardone@chelsio.com> *
* Kurt Ottaway <kottaway@chelsio.com> *
* Frank DiMambro <frank@chelsio.com> *
* *
* History: *
* *
****************************************************************************/
/* Do not edit this file */
/* SGE registers */
#define A_SG_CONTROL 0x0
#define S_CMDQ0_ENABLE 0
#define V_CMDQ0_ENABLE(x) ((x) << S_CMDQ0_ENABLE)
#define F_CMDQ0_ENABLE V_CMDQ0_ENABLE(1U)
#define S_CMDQ1_ENABLE 1
#define V_CMDQ1_ENABLE(x) ((x) << S_CMDQ1_ENABLE)
#define F_CMDQ1_ENABLE V_CMDQ1_ENABLE(1U)
#define S_FL0_ENABLE 2
#define V_FL0_ENABLE(x) ((x) << S_FL0_ENABLE)
#define F_FL0_ENABLE V_FL0_ENABLE(1U)
#define S_FL1_ENABLE 3
#define V_FL1_ENABLE(x) ((x) << S_FL1_ENABLE)
#define F_FL1_ENABLE V_FL1_ENABLE(1U)
#define S_CPL_ENABLE 4
#define V_CPL_ENABLE(x) ((x) << S_CPL_ENABLE)
#define F_CPL_ENABLE V_CPL_ENABLE(1U)
#define S_RESPONSE_QUEUE_ENABLE 5
#define V_RESPONSE_QUEUE_ENABLE(x) ((x) << S_RESPONSE_QUEUE_ENABLE)
#define F_RESPONSE_QUEUE_ENABLE V_RESPONSE_QUEUE_ENABLE(1U)
#define S_CMDQ_PRIORITY 6
#define M_CMDQ_PRIORITY 0x3
#define V_CMDQ_PRIORITY(x) ((x) << S_CMDQ_PRIORITY)
#define G_CMDQ_PRIORITY(x) (((x) >> S_CMDQ_PRIORITY) & M_CMDQ_PRIORITY)
#define S_DISABLE_CMDQ1_GTS 9
#define V_DISABLE_CMDQ1_GTS(x) ((x) << S_DISABLE_CMDQ1_GTS)
#define F_DISABLE_CMDQ1_GTS V_DISABLE_CMDQ1_GTS(1U)
#define S_ENABLE_BIG_ENDIAN 12
#define V_ENABLE_BIG_ENDIAN(x) ((x) << S_ENABLE_BIG_ENDIAN)
#define F_ENABLE_BIG_ENDIAN V_ENABLE_BIG_ENDIAN(1U)
#define S_ISCSI_COALESCE 14
#define V_ISCSI_COALESCE(x) ((x) << S_ISCSI_COALESCE)
#define F_ISCSI_COALESCE V_ISCSI_COALESCE(1U)
#define S_RX_PKT_OFFSET 15
#define V_RX_PKT_OFFSET(x) ((x) << S_RX_PKT_OFFSET)
#define S_VLAN_XTRACT 18
#define V_VLAN_XTRACT(x) ((x) << S_VLAN_XTRACT)
#define F_VLAN_XTRACT V_VLAN_XTRACT(1U)
#define A_SG_DOORBELL 0x4
#define A_SG_CMD0BASELWR 0x8
#define A_SG_CMD0BASEUPR 0xc
#define A_SG_CMD1BASELWR 0x10
#define A_SG_CMD1BASEUPR 0x14
#define A_SG_FL0BASELWR 0x18
#define A_SG_FL0BASEUPR 0x1c
#define A_SG_FL1BASELWR 0x20
#define A_SG_FL1BASEUPR 0x24
#define A_SG_CMD0SIZE 0x28
#define A_SG_FL0SIZE 0x2c
#define A_SG_RSPSIZE 0x30
#define A_SG_RSPBASELWR 0x34
#define A_SG_RSPBASEUPR 0x38
#define A_SG_FLTHRESHOLD 0x3c
#define A_SG_RSPQUEUECREDIT 0x40
#define A_SG_SLEEPING 0x48
#define A_SG_INTRTIMER 0x4c
#define A_SG_CMD1SIZE 0xb0
#define A_SG_FL1SIZE 0xb4
#define A_SG_INT_ENABLE 0xb8
#define S_RESPQ_EXHAUSTED 0
#define V_RESPQ_EXHAUSTED(x) ((x) << S_RESPQ_EXHAUSTED)
#define F_RESPQ_EXHAUSTED V_RESPQ_EXHAUSTED(1U)
#define S_RESPQ_OVERFLOW 1
#define V_RESPQ_OVERFLOW(x) ((x) << S_RESPQ_OVERFLOW)
#define F_RESPQ_OVERFLOW V_RESPQ_OVERFLOW(1U)
#define S_FL_EXHAUSTED 2
#define V_FL_EXHAUSTED(x) ((x) << S_FL_EXHAUSTED)
#define F_FL_EXHAUSTED V_FL_EXHAUSTED(1U)
#define S_PACKET_TOO_BIG 3
#define V_PACKET_TOO_BIG(x) ((x) << S_PACKET_TOO_BIG)
#define F_PACKET_TOO_BIG V_PACKET_TOO_BIG(1U)
#define S_PACKET_MISMATCH 4
#define V_PACKET_MISMATCH(x) ((x) << S_PACKET_MISMATCH)
#define F_PACKET_MISMATCH V_PACKET_MISMATCH(1U)
#define A_SG_INT_CAUSE 0xbc
/* MC3 registers */
#define S_READY 1
#define V_READY(x) ((x) << S_READY)
#define F_READY V_READY(1U)
/* MC4 registers */
#define A_MC4_CFG 0x180
#define S_MC4_SLOW 25
#define V_MC4_SLOW(x) ((x) << S_MC4_SLOW)
#define F_MC4_SLOW V_MC4_SLOW(1U)
/* TPI registers */
#define A_TPI_ADDR 0x280
#define A_TPI_WR_DATA 0x284
#define A_TPI_RD_DATA 0x288
#define A_TPI_CSR 0x28c
#define S_TPIWR 0
#define V_TPIWR(x) ((x) << S_TPIWR)
#define F_TPIWR V_TPIWR(1U)
#define S_TPIRDY 1
#define V_TPIRDY(x) ((x) << S_TPIRDY)
#define F_TPIRDY V_TPIRDY(1U)
#define A_TPI_PAR 0x29c
#define S_TPIPAR 0
#define M_TPIPAR 0x7f
#define V_TPIPAR(x) ((x) << S_TPIPAR)
#define G_TPIPAR(x) (((x) >> S_TPIPAR) & M_TPIPAR)
/* TP registers */
#define A_TP_IN_CONFIG 0x300
#define S_TP_IN_CSPI_CPL 3
#define V_TP_IN_CSPI_CPL(x) ((x) << S_TP_IN_CSPI_CPL)
#define F_TP_IN_CSPI_CPL V_TP_IN_CSPI_CPL(1U)
#define S_TP_IN_CSPI_CHECK_IP_CSUM 5
#define V_TP_IN_CSPI_CHECK_IP_CSUM(x) ((x) << S_TP_IN_CSPI_CHECK_IP_CSUM)
#define F_TP_IN_CSPI_CHECK_IP_CSUM V_TP_IN_CSPI_CHECK_IP_CSUM(1U)
#define S_TP_IN_CSPI_CHECK_TCP_CSUM 6
#define V_TP_IN_CSPI_CHECK_TCP_CSUM(x) ((x) << S_TP_IN_CSPI_CHECK_TCP_CSUM)
#define F_TP_IN_CSPI_CHECK_TCP_CSUM V_TP_IN_CSPI_CHECK_TCP_CSUM(1U)
#define S_TP_IN_ESPI_ETHERNET 8
#define V_TP_IN_ESPI_ETHERNET(x) ((x) << S_TP_IN_ESPI_ETHERNET)
#define F_TP_IN_ESPI_ETHERNET V_TP_IN_ESPI_ETHERNET(1U)
#define S_TP_IN_ESPI_CHECK_IP_CSUM 12
#define V_TP_IN_ESPI_CHECK_IP_CSUM(x) ((x) << S_TP_IN_ESPI_CHECK_IP_CSUM)
#define F_TP_IN_ESPI_CHECK_IP_CSUM V_TP_IN_ESPI_CHECK_IP_CSUM(1U)
#define S_TP_IN_ESPI_CHECK_TCP_CSUM 13
#define V_TP_IN_ESPI_CHECK_TCP_CSUM(x) ((x) << S_TP_IN_ESPI_CHECK_TCP_CSUM)
#define F_TP_IN_ESPI_CHECK_TCP_CSUM V_TP_IN_ESPI_CHECK_TCP_CSUM(1U)
#define S_OFFLOAD_DISABLE 14
#define V_OFFLOAD_DISABLE(x) ((x) << S_OFFLOAD_DISABLE)
#define F_OFFLOAD_DISABLE V_OFFLOAD_DISABLE(1U)
#define A_TP_OUT_CONFIG 0x304
#define S_TP_OUT_CSPI_CPL 2
#define V_TP_OUT_CSPI_CPL(x) ((x) << S_TP_OUT_CSPI_CPL)
#define F_TP_OUT_CSPI_CPL V_TP_OUT_CSPI_CPL(1U)
#define S_TP_OUT_ESPI_ETHERNET 6
#define V_TP_OUT_ESPI_ETHERNET(x) ((x) << S_TP_OUT_ESPI_ETHERNET)
#define F_TP_OUT_ESPI_ETHERNET V_TP_OUT_ESPI_ETHERNET(1U)
#define S_TP_OUT_ESPI_GENERATE_IP_CSUM 10
#define V_TP_OUT_ESPI_GENERATE_IP_CSUM(x) ((x) << S_TP_OUT_ESPI_GENERATE_IP_CSUM)
#define F_TP_OUT_ESPI_GENERATE_IP_CSUM V_TP_OUT_ESPI_GENERATE_IP_CSUM(1U)
#define S_TP_OUT_ESPI_GENERATE_TCP_CSUM 11
#define V_TP_OUT_ESPI_GENERATE_TCP_CSUM(x) ((x) << S_TP_OUT_ESPI_GENERATE_TCP_CSUM)
#define F_TP_OUT_ESPI_GENERATE_TCP_CSUM V_TP_OUT_ESPI_GENERATE_TCP_CSUM(1U)
#define A_TP_GLOBAL_CONFIG 0x308
#define S_IP_TTL 0
#define M_IP_TTL 0xff
#define V_IP_TTL(x) ((x) << S_IP_TTL)
#define S_TCP_CSUM 11
#define V_TCP_CSUM(x) ((x) << S_TCP_CSUM)
#define F_TCP_CSUM V_TCP_CSUM(1U)
#define S_UDP_CSUM 12
#define V_UDP_CSUM(x) ((x) << S_UDP_CSUM)
#define F_UDP_CSUM V_UDP_CSUM(1U)
#define S_IP_CSUM 13
#define V_IP_CSUM(x) ((x) << S_IP_CSUM)
#define F_IP_CSUM V_IP_CSUM(1U)
#define S_PATH_MTU 15
#define V_PATH_MTU(x) ((x) << S_PATH_MTU)
#define F_PATH_MTU V_PATH_MTU(1U)
#define S_5TUPLE_LOOKUP 17
#define V_5TUPLE_LOOKUP(x) ((x) << S_5TUPLE_LOOKUP)
#define S_SYN_COOKIE_PARAMETER 26
#define V_SYN_COOKIE_PARAMETER(x) ((x) << S_SYN_COOKIE_PARAMETER)
#define A_TP_PC_CONFIG 0x348
#define S_TP_PC_REV 30
#define M_TP_PC_REV 0x3
#define G_TP_PC_REV(x) (((x) >> S_TP_PC_REV) & M_TP_PC_REV)
#define A_TP_RESET 0x44c
#define S_TP_RESET 0
#define V_TP_RESET(x) ((x) << S_TP_RESET)
#define F_TP_RESET V_TP_RESET(1U)
#define A_TP_INT_ENABLE 0x470
#define A_TP_INT_CAUSE 0x474
#define A_TP_TX_DROP_CONFIG 0x4b8
#define S_ENABLE_TX_DROP 31
#define V_ENABLE_TX_DROP(x) ((x) << S_ENABLE_TX_DROP)
#define F_ENABLE_TX_DROP V_ENABLE_TX_DROP(1U)
#define S_ENABLE_TX_ERROR 30
#define V_ENABLE_TX_ERROR(x) ((x) << S_ENABLE_TX_ERROR)
#define F_ENABLE_TX_ERROR V_ENABLE_TX_ERROR(1U)
#define S_DROP_TICKS_CNT 4
#define V_DROP_TICKS_CNT(x) ((x) << S_DROP_TICKS_CNT)
#define S_NUM_PKTS_DROPPED 0
#define V_NUM_PKTS_DROPPED(x) ((x) << S_NUM_PKTS_DROPPED)
/* CSPI registers */
#define S_DIP4ERR 0
#define V_DIP4ERR(x) ((x) << S_DIP4ERR)
#define F_DIP4ERR V_DIP4ERR(1U)
#define S_RXDROP 1
#define V_RXDROP(x) ((x) << S_RXDROP)
#define F_RXDROP V_RXDROP(1U)
#define S_TXDROP 2
#define V_TXDROP(x) ((x) << S_TXDROP)
#define F_TXDROP V_TXDROP(1U)
#define S_RXOVERFLOW 3
#define V_RXOVERFLOW(x) ((x) << S_RXOVERFLOW)
#define F_RXOVERFLOW V_RXOVERFLOW(1U)
#define S_RAMPARITYERR 4
#define V_RAMPARITYERR(x) ((x) << S_RAMPARITYERR)
#define F_RAMPARITYERR V_RAMPARITYERR(1U)
/* ESPI registers */
#define A_ESPI_SCH_TOKEN0 0x880
#define A_ESPI_SCH_TOKEN1 0x884
#define A_ESPI_SCH_TOKEN2 0x888
#define A_ESPI_SCH_TOKEN3 0x88c
#define A_ESPI_RX_FIFO_ALMOST_EMPTY_WATERMARK 0x890
#define A_ESPI_RX_FIFO_ALMOST_FULL_WATERMARK 0x894
#define A_ESPI_CALENDAR_LENGTH 0x898
#define A_PORT_CONFIG 0x89c
#define S_RX_NPORTS 0
#define V_RX_NPORTS(x) ((x) << S_RX_NPORTS)
#define S_TX_NPORTS 8
#define V_TX_NPORTS(x) ((x) << S_TX_NPORTS)
#define A_ESPI_FIFO_STATUS_ENABLE 0x8a0
#define S_RXSTATUSENABLE 0
#define V_RXSTATUSENABLE(x) ((x) << S_RXSTATUSENABLE)
#define F_RXSTATUSENABLE V_RXSTATUSENABLE(1U)
#define S_INTEL1010MODE 4
#define V_INTEL1010MODE(x) ((x) << S_INTEL1010MODE)
#define F_INTEL1010MODE V_INTEL1010MODE(1U)
#define A_ESPI_MAXBURST1_MAXBURST2 0x8a8
#define A_ESPI_TRAIN 0x8ac
#define A_ESPI_INTR_STATUS 0x8c8
#define S_DIP2PARITYERR 5
#define V_DIP2PARITYERR(x) ((x) << S_DIP2PARITYERR)
#define F_DIP2PARITYERR V_DIP2PARITYERR(1U)
#define A_ESPI_INTR_ENABLE 0x8cc
#define A_RX_DROP_THRESHOLD 0x8d0
#define A_ESPI_RX_RESET 0x8ec
#define A_ESPI_MISC_CONTROL 0x8f0
#define S_OUT_OF_SYNC_COUNT 0
#define V_OUT_OF_SYNC_COUNT(x) ((x) << S_OUT_OF_SYNC_COUNT)
#define S_DIP2_PARITY_ERR_THRES 5
#define V_DIP2_PARITY_ERR_THRES(x) ((x) << S_DIP2_PARITY_ERR_THRES)
#define S_DIP4_THRES 9
#define V_DIP4_THRES(x) ((x) << S_DIP4_THRES)
#define S_MONITORED_PORT_NUM 25
#define V_MONITORED_PORT_NUM(x) ((x) << S_MONITORED_PORT_NUM)
#define S_MONITORED_DIRECTION 27
#define V_MONITORED_DIRECTION(x) ((x) << S_MONITORED_DIRECTION)
#define F_MONITORED_DIRECTION V_MONITORED_DIRECTION(1U)
#define S_MONITORED_INTERFACE 28
#define V_MONITORED_INTERFACE(x) ((x) << S_MONITORED_INTERFACE)
#define F_MONITORED_INTERFACE V_MONITORED_INTERFACE(1U)
#define A_ESPI_DIP2_ERR_COUNT 0x8f4
#define A_ESPI_CMD_ADDR 0x8f8
#define S_WRITE_DATA 0
#define V_WRITE_DATA(x) ((x) << S_WRITE_DATA)
#define S_REGISTER_OFFSET 8
#define V_REGISTER_OFFSET(x) ((x) << S_REGISTER_OFFSET)
#define S_CHANNEL_ADDR 12
#define V_CHANNEL_ADDR(x) ((x) << S_CHANNEL_ADDR)
#define S_MODULE_ADDR 16
#define V_MODULE_ADDR(x) ((x) << S_MODULE_ADDR)
#define S_BUNDLE_ADDR 20
#define V_BUNDLE_ADDR(x) ((x) << S_BUNDLE_ADDR)
#define S_SPI4_COMMAND 24
#define V_SPI4_COMMAND(x) ((x) << S_SPI4_COMMAND)
#define A_ESPI_GOSTAT 0x8fc
#define S_ESPI_CMD_BUSY 8
#define V_ESPI_CMD_BUSY(x) ((x) << S_ESPI_CMD_BUSY)
#define F_ESPI_CMD_BUSY V_ESPI_CMD_BUSY(1U)
/* PL registers */
#define A_PL_ENABLE 0xa00
#define S_PL_INTR_SGE_ERR 0
#define V_PL_INTR_SGE_ERR(x) ((x) << S_PL_INTR_SGE_ERR)
#define F_PL_INTR_SGE_ERR V_PL_INTR_SGE_ERR(1U)
#define S_PL_INTR_SGE_DATA 1
#define V_PL_INTR_SGE_DATA(x) ((x) << S_PL_INTR_SGE_DATA)
#define F_PL_INTR_SGE_DATA V_PL_INTR_SGE_DATA(1U)
#define S_PL_INTR_TP 6
#define V_PL_INTR_TP(x) ((x) << S_PL_INTR_TP)
#define F_PL_INTR_TP V_PL_INTR_TP(1U)
#define S_PL_INTR_ESPI 8
#define V_PL_INTR_ESPI(x) ((x) << S_PL_INTR_ESPI)
#define F_PL_INTR_ESPI V_PL_INTR_ESPI(1U)
#define S_PL_INTR_PCIX 10
#define V_PL_INTR_PCIX(x) ((x) << S_PL_INTR_PCIX)
#define F_PL_INTR_PCIX V_PL_INTR_PCIX(1U)
#define S_PL_INTR_EXT 11
#define V_PL_INTR_EXT(x) ((x) << S_PL_INTR_EXT)
#define F_PL_INTR_EXT V_PL_INTR_EXT(1U)
#define A_PL_CAUSE 0xa04
/* MC5 registers */
#define A_MC5_CONFIG 0xc04
#define S_TCAM_RESET 1
#define V_TCAM_RESET(x) ((x) << S_TCAM_RESET)
#define F_TCAM_RESET V_TCAM_RESET(1U)
#define S_M_BUS_ENABLE 5
#define V_M_BUS_ENABLE(x) ((x) << S_M_BUS_ENABLE)
#define F_M_BUS_ENABLE V_M_BUS_ENABLE(1U)
/* PCICFG registers */
#define A_PCICFG_PM_CSR 0x44
#define A_PCICFG_VPD_ADDR 0x4a
#define S_VPD_OP_FLAG 15
#define V_VPD_OP_FLAG(x) ((x) << S_VPD_OP_FLAG)
#define F_VPD_OP_FLAG V_VPD_OP_FLAG(1U)
#define A_PCICFG_VPD_DATA 0x4c
#define A_PCICFG_INTR_ENABLE 0xf4
#define A_PCICFG_INTR_CAUSE 0xf8
#define A_PCICFG_MODE 0xfc
#define S_PCI_MODE_64BIT 0
#define V_PCI_MODE_64BIT(x) ((x) << S_PCI_MODE_64BIT)
#define F_PCI_MODE_64BIT V_PCI_MODE_64BIT(1U)
#define S_PCI_MODE_PCIX 5
#define V_PCI_MODE_PCIX(x) ((x) << S_PCI_MODE_PCIX)
#define F_PCI_MODE_PCIX V_PCI_MODE_PCIX(1U)
#define S_PCI_MODE_CLK 6
#define M_PCI_MODE_CLK 0x3
#define G_PCI_MODE_CLK(x) (((x) >> S_PCI_MODE_CLK) & M_PCI_MODE_CLK)
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