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freebsd-skq/sys/dev/pcn/if_pcnreg.h
Pedro F. Giffuni df57947f08 spdx: initial adoption of licensing ID tags. 
The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

Initially, only tag files that use BSD 4-Clause "Original" license.

RelNotes:	yes
Differential Revision:	https://reviews.freebsd.org/D13133
2017-11-18 14:26:50 +00:00

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/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 2000 Berkeley Software Design, Inc.
* Copyright (c) 1997, 1998, 1999, 2000
* Bill Paul <wpaul@ee.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.
*
* $FreeBSD$
*/
/*
* I/O map in 16-bit mode. To switch to 32-bit mode,
* you need to perform a 32-bit write to the RDP register
* (writing a 0 is recommended).
*/
#define PCN_IO16_APROM00 0x00
#define PCN_IO16_APROM01 0x02
#define PCN_IO16_APROM02 0x04
#define PCN_IO16_APROM03 0x06
#define PCN_IO16_APROM04 0x08
#define PCN_IO16_APROM05 0x0A
#define PCN_IO16_APROM06 0x0C
#define PCN_IO16_APROM07 0x0E
#define PCN_IO16_RDP 0x10
#define PCN_IO16_RAP 0x12
#define PCN_IO16_RESET 0x14
#define PCN_IO16_BDP 0x16
/*
* I/O map in 32-bit mode.
*/
#define PCN_IO32_APROM00 0x00
#define PCN_IO32_APROM01 0x04
#define PCN_IO32_APROM02 0x08
#define PCN_IO32_APROM03 0x0C
#define PCN_IO32_RDP 0x10
#define PCN_IO32_RAP 0x14
#define PCN_IO32_RESET 0x18
#define PCN_IO32_BDP 0x1C
/*
* CSR registers
*/
#define PCN_CSR_CSR 0x00
#define PCN_CSR_IAB0 0x01
#define PCN_CSR_IAB1 0x02
#define PCN_CSR_IMR 0x03
#define PCN_CSR_TFEAT 0x04
#define PCN_CSR_EXTCTL1 0x05
#define PCN_CSR_DTBLLEN 0x06
#define PCN_CSR_EXTCTL2 0x07
#define PCN_CSR_MAR0 0x08
#define PCN_CSR_MAR1 0x09
#define PCN_CSR_MAR2 0x0A
#define PCN_CSR_MAR3 0x0B
#define PCN_CSR_PAR0 0x0C
#define PCN_CSR_PAR1 0x0D
#define PCN_CSR_PAR2 0x0E
#define PCN_CSR_MODE 0x0F
#define PCN_CSR_RXADDR0 0x18
#define PCN_CSR_RXADDR1 0x19
#define PCN_CSR_TXADDR0 0x1E
#define PCN_CSR_TXADDR1 0x1F
#define PCN_CSR_TXPOLL 0x2F
#define PCN_CSR_RXPOLL 0x31
#define PCN_CSR_RXRINGLEN 0x4C
#define PCN_CSR_TXRINGLEN 0x4E
#define PCN_CSR_DMACTL 0x50
#define PCN_CSR_BUSTIMER 0x52
#define PCN_CSR_MEMERRTIMEO 0x64
#define PCN_CSR_ONNOWMISC 0x74
#define PCN_CSR_ADVFEAT 0x7A
#define PCN_CSR_MACCFG 0x7D
#define PCN_CSR_CHIPID0 0x58
#define PCN_CSR_CHIPID1 0x59
/*
* Control and status register (CSR0)
*/
#define PCN_CSR_INIT 0x0001
#define PCN_CSR_START 0x0002
#define PCN_CSR_STOP 0x0004
#define PCN_CSR_TX 0x0008
#define PCN_CSR_TXON 0x0010
#define PCN_CSR_RXON 0x0020
#define PCN_CSR_INTEN 0x0040
#define PCN_CSR_INTR 0x0080
#define PCN_CSR_IDONE 0x0100
#define PCN_CSR_TINT 0x0200
#define PCN_CSR_RINT 0x0400
#define PCN_CSR_MERR 0x0800
#define PCN_CSR_MISS 0x1000
#define PCN_CSR_CERR 0x2000
#define PCN_CSR_ERR 0x8000
/*
* Interrupt masks and deferral control (CSR3)
*/
#define PCN_IMR_BSWAP 0x0004
#define PCN_IMR_ENMBA 0x0008 /* enable modified backoff alg */
#define PCN_IMR_DXMT2PD 0x0010
#define PCN_IMR_LAPPEN 0x0020 /* lookahead packet processing enb */
#define PCN_IMR_DXSUFLO 0x0040 /* disable TX stop on underflow */
#define PCN_IMR_IDONE 0x0100
#define PCN_IMR_TINT 0x0200
#define PCN_IMR_RINT 0x0400
#define PCN_IMR_MERR 0x0800
#define PCN_IMR_MISS 0x1000
/*
* Test and features control (CSR4)
*/
#define PCN_TFEAT_TXSTRTMASK 0x0004
#define PCN_TFEAT_TXSTRT 0x0008
#define PCN_TFEAT_RXCCOFLOWM 0x0010 /* Rx collision counter oflow */
#define PCN_TFEAT_RXCCOFLOW 0x0020
#define PCN_TFEAT_UINT 0x0040
#define PCN_TFEAT_UINTREQ 0x0080
#define PCN_TFEAT_MISSOFLOWM 0x0100
#define PCN_TFEAT_MISSOFLOW 0x0200
#define PCN_TFEAT_STRIP_FCS 0x0400
#define PCN_TFEAT_PAD_TX 0x0800
#define PCN_TFEAT_TXDPOLL 0x1000
#define PCN_TFEAT_DMAPLUS 0x4000
/*
* Extended control and interrupt 1 (CSR5)
*/
#define PCN_EXTCTL1_SPND 0x0001 /* suspend */
#define PCN_EXTCTL1_MPMODE 0x0002 /* magic packet mode */
#define PCN_EXTCTL1_MPENB 0x0004 /* magic packet enable */
#define PCN_EXTCTL1_MPINTEN 0x0008 /* magic packet interrupt enable */
#define PCN_EXTCTL1_MPINT 0x0010 /* magic packet interrupt */
#define PCN_EXTCTL1_MPPLBA 0x0020 /* magic packet phys. logical bcast */
#define PCN_EXTCTL1_EXDEFEN 0x0040 /* excessive deferral interrupt enb. */
#define PCN_EXTCTL1_EXDEF 0x0080 /* excessive deferral interrupt */
#define PCN_EXTCTL1_SINTEN 0x0400 /* system interrupt enable */
#define PCN_EXTCTL1_SINT 0x0800 /* system interrupt */
#define PCN_EXTCTL1_LTINTEN 0x4000 /* last TX interrupt enb */
#define PCN_EXTCTL1_TXOKINTD 0x8000 /* TX OK interrupt disable */
/*
* RX/TX descriptor len (CSR6)
*/
#define PCN_DTBLLEN_RLEN 0x0F00
#define PCN_DTBLLEN_TLEN 0xF000
/*
* Extended control and interrupt 2 (CSR7)
*/
#define PCN_EXTCTL2_MIIPDTINTE 0x0001
#define PCN_EXTCTL2_MIIPDTINT 0x0002
#define PCN_EXTCTL2_MCCIINTE 0x0004
#define PCN_EXTCTL2_MCCIINT 0x0008
#define PCN_EXTCTL2_MCCINTE 0x0010
#define PCN_EXTCTL2_MCCINT 0x0020
#define PCN_EXTCTL2_MAPINTE 0x0040
#define PCN_EXTCTL2_MAPINT 0x0080
#define PCN_EXTCTL2_MREINTE 0x0100
#define PCN_EXTCTL2_MREINT 0x0200
#define PCN_EXTCTL2_STINTE 0x0400
#define PCN_EXTCTL2_STINT 0x0800
#define PCN_EXTCTL2_RXDPOLL 0x1000
#define PCN_EXTCTL2_RDMD 0x2000
#define PCN_EXTCTL2_RXFRTG 0x4000
#define PCN_EXTCTL2_FASTSPNDE 0x8000
/*
* Mode (CSR15)
*/
#define PCN_MODE_RXD 0x0001 /* RX disable */
#define PCN_MODE_TXD 0x0002 /* TX disable */
#define PCN_MODE_LOOP 0x0004 /* loopback enable */
#define PCN_MODE_TXCRCD 0x0008
#define PCN_MODE_FORCECOLL 0x0010
#define PCN_MODE_RETRYD 0x0020
#define PCN_MODE_INTLOOP 0x0040
#define PCN_MODE_PORTSEL 0x0180
#define PCN_MODE_RXVPAD 0x2000
#define PCN_MODE_RXNOBROAD 0x4000
#define PCN_MODE_PROMISC 0x8000
/* Settings for PCN_MODE_PORTSEL when ASEL (BCR2[1]) is 0 */
#define PCN_PORT_AUI 0x0000
#define PCN_PORT_10BASET 0x0080
#define PCN_PORT_GPSI 0x0100
#define PCN_PORT_MII 0x0180
/*
* Chip ID values.
*/
/* CSR88-89: Chip ID masks */
#define AMD_MASK 0x003
#define PART_MASK 0xffff
#define Am79C971 0x2623
#define Am79C972 0x2624
#define Am79C973 0x2625
#define Am79C978 0x2626
#define Am79C975 0x2627
#define Am79C976 0x2628
/*
* Advanced feature control (CSR122)
*/
#define PCN_AFC_RXALIGN 0x0001
/*
* BCR (bus control) registers
*/
#define PCN_BCR_MMRA 0x00 /* Master Mode Read Active */
#define PCN_BCR_MMW 0x01 /* Master Mode Write Active */
#define PCN_BCR_MISCCFG 0x02
#define PCN_BCR_LED0 0x04
#define PCN_BCR_LED1 0x05
#define PCN_BCR_LED2 0x06
#define PCN_BCR_LED3 0x07
#define PCN_BCR_DUPLEX 0x09
#define PCN_BCR_BUSCTL 0x12
#define PCN_BCR_EECTL 0x13
#define PCN_BCR_SSTYLE 0x14
#define PCN_BCR_PCILAT 0x16
#define PCN_BCR_PCISUBVENID 0x17
#define PCN_BCR_PCISUBSYSID 0x18
#define PCN_BCR_SRAMSIZE 0x19
#define PCN_BCR_SRAMBOUND 0x1A
#define PCN_BCR_SRAMCTL 0x1B
#define PCN_BCR_MIICTL 0x20
#define PCN_BCR_MIIADDR 0x21
#define PCN_BCR_MIIDATA 0x22
#define PCN_BCR_PCIVENID 0x23
#define PCN_BCR_PCIPCAP 0x24
#define PCN_BCR_DATA0 0x25
#define PCN_BCR_DATA1 0x26
#define PCN_BCR_DATA2 0x27
#define PCN_BCR_DATA3 0x28
#define PCN_BCR_DATA4 0x29
#define PCN_BCR_DATA5 0x2A
#define PCN_BCR_DATA6 0x2B
#define PCN_BCR_DATA7 0x2C
#define PCN_BCR_ONNOWPAT0 0x2D
#define PCN_BCR_ONNOWPAT1 0x2E
#define PCN_BCR_ONNOWPAT2 0x2F
#define PCN_BCR_PHYSEL 0x31
/*
* Miscellaneous Configuration (BCR2)
*/
#define PCN_MISC_TMAULOOP 1<<14 /* T-MAU Loopback packet enable. */
#define PCN_MISC_LEDPE 1<<12 /* LED Program Enable */
#define PCN_MISC_APROMWE 1<<8 /* Address PROM Write Enable */
#define PCN_MISC_INTLEVEL 1<<7 /* Interrupt level */
#define PCN_MISC_EADISEL 1<<3 /* EADI Select */
#define PCN_MISC_AWAKE 1<<2 /* Power saving mode select */
#define PCN_MISC_ASEL 1<<1 /* Auto Select */
#define PCN_MISC_XMAUSEL 1<<0 /* Reserved. */
/*
* Full duplex control (BCR9)
*/
#define PCN_DUPLEX_FDEN 0x0001 /* Full-duplex enable */
#define PCN_DUPLEX_AUI 0x0002 /* AUI full-duplex */
#define PCN_DUPLEX_FDRPAD 0x0004 /* Full-duplex runt pkt accept dis. */
/*
* Burst and bus control register (BCR18)
*/
#define PCN_BUSCTL_BWRITE 0x0020
#define PCN_BUSCTL_BREAD 0x0040
#define PCN_BUSCTL_DWIO 0x0080
#define PCN_BUSCTL_EXTREQ 0x0100
#define PCN_BUSCTL_MEMCMD 0x0200
#define PCN_BUSCTL_NOUFLOW 0x0800
#define PCN_BUSCTL_ROMTMG 0xF000
/*
* EEPROM control (BCR19)
*/
#define PCN_EECTL_EDATA 0x0001
#define PCN_EECTL_ECLK 0x0002
#define PCN_EECTL_EECS 0x0004
#define PCN_EECTL_EEN 0x0100
#define PCN_EECTL_EEDET 0x2000
#define PCN_EECTL_PREAD 0x4000
#define PCN_EECTL_PVALID 0x8000
/*
* Software style (BCR20)
*/
#define PCN_SSTYLE_APERREN 0x0400 /* advanced parity error checking */
#define PCN_SSTYLE_SSIZE32 0x0100
#define PCN_SSTYLE_SWSTYLE 0x00FF
#define PCN_SWSTYLE_LANCE 0x0000
#define PCN_SWSTYLE_PCNETPCI 0x0102
#define PCN_SWSTYLE_PCNETPCI_BURST 0x0103
/*
* MII control and status (BCR32)
*/
#define PCN_MIICTL_MIILP 0x0002 /* MII internal loopback */
#define PCN_MIICTL_XPHYSP 0x0008 /* external PHY speed */
#define PCN_MIICTL_XPHYFD 0x0010 /* external PHY full duplex */
#define PCN_MIICTL_XPHYANE 0x0020 /* external phy auto-neg enable */
#define PCN_MIICTL_XPHYRST 0x0040 /* external PHY reset */
#define PCN_MIICTL_DANAS 0x0080 /* disable auto-neg auto-setup */
#define PCN_MIICTL_APDW 0x0700 /* auto-poll dwell time */
#define PCN_MIICTL_APEP 0x0100 /* auto-poll external PHY */
#define PCN_MIICTL_FMDC 0x3000 /* data clock speed */
#define PCN_MIICTL_MIIPD 0x4000 /* PHY detect */
#define PCN_MIICTL_ANTST 0x8000 /* Manufacturing test */
/*
* MII address register (BCR33)
*/
#define PCN_MIIADDR_REGAD 0x001F
#define PCN_MIIADDR_PHYAD 0x03E0
/* addresses of internal PHYs */
#define PCN_PHYAD_100BTX 30
#define PCN_PHYAD_10BT 31
/*
* MII data register (BCR34)
*/
#define PCN_MIIDATA_MIIMD 0xFFFF
/*
* PHY selection (BCR49) (HomePNA NIC only)
*/
#define PCN_PHYSEL_PHYSEL 0x0003
#define PCN_PHYSEL_DEFAULT 0x0300
#define PCN_PHYSEL_PCNET 0x8000
#define PCN_PHY_10BT 0x0000
#define PCN_PHY_HOMEPNA 0x0001
#define PCN_PHY_EXTERNAL 0x0002
struct pcn_rx_desc {
u_int16_t pcn_rxlen;
u_int16_t pcn_rsvd0;
u_int16_t pcn_bufsz;
u_int16_t pcn_rxstat;
u_int32_t pcn_rbaddr;
u_int32_t pcn_uspace;
};
#define PCN_RXSTAT_BPE 0x0080 /* bus parity error */
#define PCN_RXSTAT_ENP 0x0100 /* end of packet */
#define PCN_RXSTAT_STP 0x0200 /* start of packet */
#define PCN_RXSTAT_BUFF 0x0400 /* buffer error */
#define PCN_RXSTAT_CRC 0x0800 /* CRC error */
#define PCN_RXSTAT_OFLOW 0x1000 /* rx overrun */
#define PCN_RXSTAT_FRAM 0x2000 /* framing error */
#define PCN_RXSTAT_ERR 0x4000 /* error summary */
#define PCN_RXSTAT_OWN 0x8000
#define PCN_RXLEN_MBO 0xF000
#define PCN_RXLEN_BUFSZ 0x0FFF
#define PCN_OWN_RXDESC(x) (((x)->pcn_rxstat & PCN_RXSTAT_OWN) == 0)
struct pcn_tx_desc {
u_int32_t pcn_txstat;
u_int32_t pcn_txctl;
u_int32_t pcn_tbaddr;
u_int32_t pcn_uspace;
};
#define PCN_TXSTAT_TRC 0x0000000F /* transmit retries */
#define PCN_TXSTAT_RTRY 0x04000000 /* retry */
#define PCN_TXSTAT_LCAR 0x08000000 /* lost carrier */
#define PCN_TXSTAT_LCOL 0x10000000 /* late collision */
#define PCN_TXSTAT_EXDEF 0x20000000 /* excessive deferrals */
#define PCN_TXSTAT_UFLOW 0x40000000 /* transmit underrun */
#define PCN_TXSTAT_BUFF 0x80000000 /* buffer error */
#define PCN_TXCTL_OWN 0x80000000
#define PCN_TXCTL_ERR 0x40000000 /* error summary */
#define PCN_TXCTL_ADD_FCS 0x20000000 /* add FCS to pkt */
#define PCN_TXCTL_MORE_LTINT 0x10000000
#define PCN_TXCTL_ONE 0x08000000
#define PCN_TXCTL_DEF 0x04000000
#define PCN_TXCTL_STP 0x02000000
#define PCN_TXCTL_ENP 0x01000000
#define PCN_TXCTL_BPE 0x00800000
#define PCN_TXCTL_MBO 0x0000F000
#define PCN_TXCTL_BUFSZ 0x00000FFF
#define PCN_OWN_TXDESC(x) (((x)->pcn_txctl & PCN_TXCTL_OWN) == 0)
#define PCN_RX_LIST_CNT 64
#define PCN_TX_LIST_CNT 256
struct pcn_list_data {
struct pcn_rx_desc pcn_rx_list[PCN_RX_LIST_CNT];
struct pcn_tx_desc pcn_tx_list[PCN_TX_LIST_CNT];
};
struct pcn_ring_data {
struct mbuf *pcn_rx_chain[PCN_RX_LIST_CNT];
struct mbuf *pcn_tx_chain[PCN_TX_LIST_CNT];
int pcn_rx_prod;
int pcn_tx_prod;
int pcn_tx_cons;
int pcn_tx_cnt;
};
/*
* AMD PCI vendor ID.
*/
#define PCN_VENDORID 0x1022
/*
* AMD PCnet/PCI device IDs
*/
#define PCN_DEVICEID_PCNET 0x2000
#define PCN_DEVICEID_HOME 0x2001
struct pcn_type {
u_int16_t pcn_vid;
u_int16_t pcn_did;
const char *pcn_name;
};
struct pcn_softc {
struct ifnet *pcn_ifp;
bus_space_handle_t pcn_bhandle;
bus_space_tag_t pcn_btag;
struct resource *pcn_res;
struct resource *pcn_irq;
void *pcn_intrhand;
device_t pcn_miibus;
u_int8_t pcn_link;
int8_t pcn_extphyaddr;
int8_t pcn_inst_10bt;
int pcn_if_flags;
int pcn_type;
struct pcn_list_data *pcn_ldata;
struct pcn_ring_data pcn_cdata;
struct callout pcn_stat_callout;
struct mtx pcn_mtx;
int pcn_timer;
};
#define PCN_LOCK(_sc) mtx_lock(&(_sc)->pcn_mtx)
#define PCN_UNLOCK(_sc) mtx_unlock(&(_sc)->pcn_mtx)
#define PCN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->pcn_mtx, MA_OWNED)
/*
* register space access macros
*/
#define CSR_WRITE_4(sc, reg, val) \
bus_space_write_4(sc->pcn_btag, sc->pcn_bhandle, reg, val)
#define CSR_READ_4(sc, reg) \
bus_space_read_4(sc->pcn_btag, sc->pcn_bhandle, reg)
#define CSR_WRITE_2(sc, reg, val) \
bus_space_write_2(sc->pcn_btag, sc->pcn_bhandle, reg, val)
#define CSR_READ_2(sc, reg) \
bus_space_read_2(sc->pcn_btag, sc->pcn_bhandle, reg)
#define PCN_TIMEOUT 1000
#define ETHER_ALIGN 2
#define PCN_RXLEN 1536
#define PCN_MIN_FRAMELEN 60
#define PCN_INC(x, y) (x) = (x + 1) % y
/*
* PCI low memory base and low I/O base register, and
* other PCI registers.
*/
#define PCN_PCI_VENDOR_ID 0x00
#define PCN_PCI_DEVICE_ID 0x02
#define PCN_PCI_COMMAND 0x04
#define PCN_PCI_STATUS 0x06
#define PCN_PCI_REVID 0x08
#define PCN_PCI_CLASSCODE 0x09
#define PCN_PCI_CACHELEN 0x0C
#define PCN_PCI_LATENCY_TIMER 0x0D
#define PCN_PCI_HEADER_TYPE 0x0E
#define PCN_PCI_LOIO 0x10
#define PCN_PCI_LOMEM 0x14
#define PCN_PCI_BIOSROM 0x30
#define PCN_PCI_INTLINE 0x3C
#define PCN_PCI_INTPIN 0x3D
#define PCN_PCI_MINGNT 0x3E
#define PCN_PCI_MINLAT 0x3F
#define PCN_PCI_RESETOPT 0x48
#define PCN_PCI_EEPROM_DATA 0x4C
/* power management registers */
#define PCN_PCI_CAPID 0x50 /* 8 bits */
#define PCN_PCI_NEXTPTR 0x51 /* 8 bits */
#define PCN_PCI_PWRMGMTCAP 0x52 /* 16 bits */
#define PCN_PCI_PWRMGMTCTRL 0x54 /* 16 bits */
#define PCN_PSTATE_MASK 0x0003
#define PCN_PSTATE_D0 0x0000
#define PCN_PSTATE_D1 0x0001
#define PCN_PSTATE_D2 0x0002
#define PCN_PSTATE_D3 0x0003
#define PCN_PME_EN 0x0010
#define PCN_PME_STATUS 0x8000
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