 b340a207c5
			
		
	
	
	b340a207c5
	
	
	
		
			
			The cs89x0 driver was initial placed in the apple/ when it
should have been placed in the cirrus/.  This resolves the
issue by moving the dirver and fixing up the respective
Kconfig(s) and Makefile(s).
Thanks to Sascha for reporting the issue.
-v2 Fix a config error that was introduced with v1 by removing
    the dependency on MACE for NET_VENDOR_APPLE.
CC: Russell Nelson <nelson@crynwr.com>
CC: Andrew Morton <akpm@linux-foundation.org>
Reported-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
		
	
			
		
			
				
	
	
		
			465 lines
		
	
	
	
		
			16 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			465 lines
		
	
	
	
		
			16 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*  Copyright, 1988-1992, Russell Nelson, Crynwr Software
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| 
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|    This program is free software; you can redistribute it and/or modify
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|    it under the terms of the GNU General Public License as published by
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|    the Free Software Foundation, version 1.
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| 
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|    This program is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|    GNU General Public License for more details.
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| 
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|    You should have received a copy of the GNU General Public License
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|    along with this program; if not, write to the Free Software
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|    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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|    */
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| 
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| 
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| #define PP_ChipID 0x0000	/* offset   0h -> Corp -ID              */
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| 				/* offset   2h -> Model/Product Number  */
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| 				/* offset   3h -> Chip Revision Number  */
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| 
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| #define PP_ISAIOB 0x0020	/*  IO base address */
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| #define PP_CS8900_ISAINT 0x0022	/*  ISA interrupt select */
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| #define PP_CS8920_ISAINT 0x0370	/*  ISA interrupt select */
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| #define PP_CS8900_ISADMA 0x0024	/*  ISA Rec DMA channel */
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| #define PP_CS8920_ISADMA 0x0374	/*  ISA Rec DMA channel */
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| #define PP_ISASOF 0x0026	/*  ISA DMA offset */
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| #define PP_DmaFrameCnt 0x0028	/*  ISA DMA Frame count */
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| #define PP_DmaByteCnt 0x002A	/*  ISA DMA Byte count */
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| #define PP_CS8900_ISAMemB 0x002C	/*  Memory base */
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| #define PP_CS8920_ISAMemB 0x0348 /*  */
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| 
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| #define PP_ISABootBase 0x0030	/*  Boot Prom base  */
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| #define PP_ISABootMask 0x0034	/*  Boot Prom Mask */
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| 
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| /* EEPROM data and command registers */
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| #define PP_EECMD 0x0040		/*  NVR Interface Command register */
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| #define PP_EEData 0x0042	/*  NVR Interface Data Register */
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| #define PP_DebugReg 0x0044	/*  Debug Register */
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| 
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| #define PP_RxCFG 0x0102		/*  Rx Bus config */
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| #define PP_RxCTL 0x0104		/*  Receive Control Register */
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| #define PP_TxCFG 0x0106		/*  Transmit Config Register */
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| #define PP_TxCMD 0x0108		/*  Transmit Command Register */
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| #define PP_BufCFG 0x010A	/*  Bus configuration Register */
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| #define PP_LineCTL 0x0112	/*  Line Config Register */
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| #define PP_SelfCTL 0x0114	/*  Self Command Register */
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| #define PP_BusCTL 0x0116	/*  ISA bus control Register */
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| #define PP_TestCTL 0x0118	/*  Test Register */
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| #define PP_AutoNegCTL 0x011C	/*  Auto Negotiation Ctrl */
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| 
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| #define PP_ISQ 0x0120		/*  Interrupt Status */
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| #define PP_RxEvent 0x0124	/*  Rx Event Register */
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| #define PP_TxEvent 0x0128	/*  Tx Event Register */
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| #define PP_BufEvent 0x012C	/*  Bus Event Register */
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| #define PP_RxMiss 0x0130	/*  Receive Miss Count */
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| #define PP_TxCol 0x0132		/*  Transmit Collision Count */
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| #define PP_LineST 0x0134	/*  Line State Register */
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| #define PP_SelfST 0x0136	/*  Self State register */
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| #define PP_BusST 0x0138		/*  Bus Status */
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| #define PP_TDR 0x013C		/*  Time Domain Reflectometry */
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| #define PP_AutoNegST 0x013E	/*  Auto Neg Status */
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| #define PP_TxCommand 0x0144	/*  Tx Command */
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| #define PP_TxLength 0x0146	/*  Tx Length */
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| #define PP_LAF 0x0150		/*  Hash Table */
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| #define PP_IA 0x0158		/*  Physical Address Register */
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| 
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| #define PP_RxStatus 0x0400	/*  Receive start of frame */
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| #define PP_RxLength 0x0402	/*  Receive Length of frame */
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| #define PP_RxFrame 0x0404	/*  Receive frame pointer */
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| #define PP_TxFrame 0x0A00	/*  Transmit frame pointer */
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| 
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| /*  Primary I/O Base Address. If no I/O base is supplied by the user, then this */
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| /*  can be used as the default I/O base to access the PacketPage Area. */
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| #define DEFAULTIOBASE 0x0300
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| #define FIRST_IO 0x020C		/*  First I/O port to check */
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| #define LAST_IO 0x037C		/*  Last I/O port to check (+10h) */
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| #define ADD_MASK 0x3000		/*  Mask it use of the ADD_PORT register */
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| #define ADD_SIG 0x3000		/*  Expected ID signature */
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| 
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| /* On Macs, we only need use the ISA I/O stuff until we do MEMORY_ON */
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| #ifdef CONFIG_MAC
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| #define LCSLOTBASE 0xfee00000
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| #define MMIOBASE 0x40000
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| #endif
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| 
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| #define CHIP_EISA_ID_SIG 0x630E   /*  Product ID Code for Crystal Chip (CS8900 spec 4.3) */
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| #define CHIP_EISA_ID_SIG_STR "0x630E"
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| 
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| #ifdef IBMEIPKT
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| #define EISA_ID_SIG 0x4D24	/*  IBM */
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| #define PART_NO_SIG 0x1010	/*  IBM */
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| #define MONGOOSE_BIT 0x0000	/*  IBM */
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| #else
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| #define EISA_ID_SIG 0x630E	/*  PnP Vendor ID (same as chip id for Crystal board) */
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| #define PART_NO_SIG 0x4000	/*  ID code CS8920 board (PnP Vendor Product code) */
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| #define MONGOOSE_BIT 0x2000	/*  PART_NO_SIG + MONGOOSE_BUT => ID of mongoose */
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| #endif
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| 
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| #define PRODUCT_ID_ADD 0x0002   /*  Address of product ID */
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| 
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| /*  Mask to find out the types of  registers */
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| #define REG_TYPE_MASK 0x001F
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| 
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| /*  Eeprom Commands */
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| #define ERSE_WR_ENBL 0x00F0
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| #define ERSE_WR_DISABLE 0x0000
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| 
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| /*  Defines Control/Config register quintuplet numbers */
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| #define RX_BUF_CFG 0x0003
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| #define RX_CONTROL 0x0005
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| #define TX_CFG 0x0007
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| #define TX_COMMAND 0x0009
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| #define BUF_CFG 0x000B
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| #define LINE_CONTROL 0x0013
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| #define SELF_CONTROL 0x0015
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| #define BUS_CONTROL 0x0017
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| #define TEST_CONTROL 0x0019
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| 
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| /*  Defines Status/Count registers quintuplet numbers */
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| #define RX_EVENT 0x0004
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| #define TX_EVENT 0x0008
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| #define BUF_EVENT 0x000C
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| #define RX_MISS_COUNT 0x0010
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| #define TX_COL_COUNT 0x0012
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| #define LINE_STATUS 0x0014
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| #define SELF_STATUS 0x0016
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| #define BUS_STATUS 0x0018
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| #define TDR 0x001C
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| 
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| /* PP_RxCFG - Receive  Configuration and Interrupt Mask bit definition -  Read/write */
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| #define SKIP_1 0x0040
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| #define RX_STREAM_ENBL 0x0080
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| #define RX_OK_ENBL 0x0100
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| #define RX_DMA_ONLY 0x0200
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| #define AUTO_RX_DMA 0x0400
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| #define BUFFER_CRC 0x0800
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| #define RX_CRC_ERROR_ENBL 0x1000
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| #define RX_RUNT_ENBL 0x2000
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| #define RX_EXTRA_DATA_ENBL 0x4000
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| 
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| /* PP_RxCTL - Receive Control bit definition - Read/write */
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| #define RX_IA_HASH_ACCEPT 0x0040
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| #define RX_PROM_ACCEPT 0x0080
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| #define RX_OK_ACCEPT 0x0100
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| #define RX_MULTCAST_ACCEPT 0x0200
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| #define RX_IA_ACCEPT 0x0400
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| #define RX_BROADCAST_ACCEPT 0x0800
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| #define RX_BAD_CRC_ACCEPT 0x1000
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| #define RX_RUNT_ACCEPT 0x2000
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| #define RX_EXTRA_DATA_ACCEPT 0x4000
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| #define RX_ALL_ACCEPT (RX_PROM_ACCEPT|RX_BAD_CRC_ACCEPT|RX_RUNT_ACCEPT|RX_EXTRA_DATA_ACCEPT)
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| /*  Default receive mode - individually addressed, broadcast, and error free */
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| #define DEF_RX_ACCEPT (RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | RX_OK_ACCEPT)
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| 
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| /* PP_TxCFG - Transmit Configuration Interrupt Mask bit definition - Read/write */
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| #define TX_LOST_CRS_ENBL 0x0040
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| #define TX_SQE_ERROR_ENBL 0x0080
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| #define TX_OK_ENBL 0x0100
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| #define TX_LATE_COL_ENBL 0x0200
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| #define TX_JBR_ENBL 0x0400
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| #define TX_ANY_COL_ENBL 0x0800
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| #define TX_16_COL_ENBL 0x8000
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| 
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| /* PP_TxCMD - Transmit Command bit definition - Read-only */
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| #define TX_START_4_BYTES 0x0000
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| #define TX_START_64_BYTES 0x0040
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| #define TX_START_128_BYTES 0x0080
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| #define TX_START_ALL_BYTES 0x00C0
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| #define TX_FORCE 0x0100
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| #define TX_ONE_COL 0x0200
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| #define TX_TWO_PART_DEFF_DISABLE 0x0400
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| #define TX_NO_CRC 0x1000
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| #define TX_RUNT 0x2000
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| 
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| /* PP_BufCFG - Buffer Configuration Interrupt Mask bit definition - Read/write */
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| #define GENERATE_SW_INTERRUPT 0x0040
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| #define RX_DMA_ENBL 0x0080
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| #define READY_FOR_TX_ENBL 0x0100
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| #define TX_UNDERRUN_ENBL 0x0200
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| #define RX_MISS_ENBL 0x0400
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| #define RX_128_BYTE_ENBL 0x0800
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| #define TX_COL_COUNT_OVRFLOW_ENBL 0x1000
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| #define RX_MISS_COUNT_OVRFLOW_ENBL 0x2000
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| #define RX_DEST_MATCH_ENBL 0x8000
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| 
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| /* PP_LineCTL - Line Control bit definition - Read/write */
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| #define SERIAL_RX_ON 0x0040
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| #define SERIAL_TX_ON 0x0080
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| #define AUI_ONLY 0x0100
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| #define AUTO_AUI_10BASET 0x0200
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| #define MODIFIED_BACKOFF 0x0800
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| #define NO_AUTO_POLARITY 0x1000
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| #define TWO_PART_DEFDIS 0x2000
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| #define LOW_RX_SQUELCH 0x4000
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| 
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| /* PP_SelfCTL - Software Self Control bit definition - Read/write */
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| #define POWER_ON_RESET 0x0040
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| #define SW_STOP 0x0100
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| #define SLEEP_ON 0x0200
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| #define AUTO_WAKEUP 0x0400
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| #define HCB0_ENBL 0x1000
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| #define HCB1_ENBL 0x2000
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| #define HCB0 0x4000
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| #define HCB1 0x8000
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| 
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| /* PP_BusCTL - ISA Bus Control bit definition - Read/write */
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| #define RESET_RX_DMA 0x0040
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| #define MEMORY_ON 0x0400
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| #define DMA_BURST_MODE 0x0800
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| #define IO_CHANNEL_READY_ON 0x1000
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| #define RX_DMA_SIZE_64K 0x2000
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| #define ENABLE_IRQ 0x8000
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| 
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| /* PP_TestCTL - Test Control bit definition - Read/write */
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| #define LINK_OFF 0x0080
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| #define ENDEC_LOOPBACK 0x0200
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| #define AUI_LOOPBACK 0x0400
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| #define BACKOFF_OFF 0x0800
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| #define FDX_8900 0x4000
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| #define FAST_TEST 0x8000
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| 
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| /* PP_RxEvent - Receive Event Bit definition - Read-only */
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| #define RX_IA_HASHED 0x0040
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| #define RX_DRIBBLE 0x0080
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| #define RX_OK 0x0100
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| #define RX_HASHED 0x0200
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| #define RX_IA 0x0400
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| #define RX_BROADCAST 0x0800
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| #define RX_CRC_ERROR 0x1000
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| #define RX_RUNT 0x2000
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| #define RX_EXTRA_DATA 0x4000
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| 
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| #define HASH_INDEX_MASK 0x0FC00
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| 
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| /* PP_TxEvent - Transmit Event Bit definition - Read-only */
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| #define TX_LOST_CRS 0x0040
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| #define TX_SQE_ERROR 0x0080
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| #define TX_OK 0x0100
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| #define TX_LATE_COL 0x0200
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| #define TX_JBR 0x0400
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| #define TX_16_COL 0x8000
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| #define TX_SEND_OK_BITS (TX_OK|TX_LOST_CRS)
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| #define TX_COL_COUNT_MASK 0x7800
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| 
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| /* PP_BufEvent - Buffer Event Bit definition - Read-only */
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| #define SW_INTERRUPT 0x0040
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| #define RX_DMA 0x0080
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| #define READY_FOR_TX 0x0100
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| #define TX_UNDERRUN 0x0200
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| #define RX_MISS 0x0400
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| #define RX_128_BYTE 0x0800
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| #define TX_COL_OVRFLW 0x1000
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| #define RX_MISS_OVRFLW 0x2000
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| #define RX_DEST_MATCH 0x8000
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| 
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| /* PP_LineST - Ethernet Line Status bit definition - Read-only */
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| #define LINK_OK 0x0080
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| #define AUI_ON 0x0100
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| #define TENBASET_ON 0x0200
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| #define POLARITY_OK 0x1000
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| #define CRS_OK 0x4000
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| 
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| /* PP_SelfST - Chip Software Status bit definition */
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| #define ACTIVE_33V 0x0040
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| #define INIT_DONE 0x0080
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| #define SI_BUSY 0x0100
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| #define EEPROM_PRESENT 0x0200
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| #define EEPROM_OK 0x0400
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| #define EL_PRESENT 0x0800
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| #define EE_SIZE_64 0x1000
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| 
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| /* PP_BusST - ISA Bus Status bit definition */
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| #define TX_BID_ERROR 0x0080
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| #define READY_FOR_TX_NOW 0x0100
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| 
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| /* PP_AutoNegCTL - Auto Negotiation Control bit definition */
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| #define RE_NEG_NOW 0x0040
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| #define ALLOW_FDX 0x0080
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| #define AUTO_NEG_ENABLE 0x0100
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| #define NLP_ENABLE 0x0200
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| #define FORCE_FDX 0x8000
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| #define AUTO_NEG_BITS (FORCE_FDX|NLP_ENABLE|AUTO_NEG_ENABLE)
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| #define AUTO_NEG_MASK (FORCE_FDX|NLP_ENABLE|AUTO_NEG_ENABLE|ALLOW_FDX|RE_NEG_NOW)
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| 
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| /* PP_AutoNegST - Auto Negotiation Status bit definition */
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| #define AUTO_NEG_BUSY 0x0080
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| #define FLP_LINK 0x0100
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| #define FLP_LINK_GOOD 0x0800
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| #define LINK_FAULT 0x1000
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| #define HDX_ACTIVE 0x4000
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| #define FDX_ACTIVE 0x8000
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| 
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| /*  The following block defines the ISQ event types */
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| #define ISQ_RECEIVER_EVENT 0x04
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| #define ISQ_TRANSMITTER_EVENT 0x08
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| #define ISQ_BUFFER_EVENT 0x0c
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| #define ISQ_RX_MISS_EVENT 0x10
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| #define ISQ_TX_COL_EVENT 0x12
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| 
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| #define ISQ_EVENT_MASK 0x003F   /*  ISQ mask to find out type of event */
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| #define ISQ_HIST 16		/*  small history buffer */
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| #define AUTOINCREMENT 0x8000	/*  Bit mask to set bit-15 for autoincrement */
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| 
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| #define TXRXBUFSIZE 0x0600
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| #define RXDMABUFSIZE 0x8000
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| #define RXDMASIZE 0x4000
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| #define TXRX_LENGTH_MASK 0x07FF
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| 
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| /*  rx options bits */
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| #define RCV_WITH_RXON	1       /*  Set SerRx ON */
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| #define RCV_COUNTS	2       /*  Use Framecnt1 */
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| #define RCV_PONG	4       /*  Pong respondent */
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| #define RCV_DONG	8       /*  Dong operation */
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| #define RCV_POLLING	0x10	/*  Poll RxEvent */
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| #define RCV_ISQ		0x20	/*  Use ISQ, int */
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| #define RCV_AUTO_DMA	0x100	/*  Set AutoRxDMAE */
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| #define RCV_DMA		0x200	/*  Set RxDMA only */
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| #define RCV_DMA_ALL	0x400	/*  Copy all DMA'ed */
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| #define RCV_FIXED_DATA	0x800	/*  Every frame same */
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| #define RCV_IO		0x1000	/*  Use ISA IO only */
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| #define RCV_MEMORY	0x2000	/*  Use ISA Memory */
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| 
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| #define RAM_SIZE	0x1000       /*  The card has 4k bytes or RAM */
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| #define PKT_START PP_TxFrame  /*  Start of packet RAM */
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| 
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| #define RX_FRAME_PORT	0x0000
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| #define TX_FRAME_PORT RX_FRAME_PORT
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| #define TX_CMD_PORT	0x0004
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| #define TX_NOW		0x0000       /*  Tx packet after   5 bytes copied */
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| #define TX_AFTER_381	0x0040       /*  Tx packet after 381 bytes copied */
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| #define TX_AFTER_ALL	0x00c0       /*  Tx packet after all bytes copied */
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| #define TX_LEN_PORT	0x0006
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| #define ISQ_PORT	0x0008
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| #define ADD_PORT	0x000A
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| #define DATA_PORT	0x000C
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| 
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| #define EEPROM_WRITE_EN		0x00F0
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| #define EEPROM_WRITE_DIS	0x0000
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| #define EEPROM_WRITE_CMD	0x0100
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| #define EEPROM_READ_CMD		0x0200
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| 
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| /*  Receive Header */
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| /*  Description of header of each packet in receive area of memory */
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| #define RBUF_EVENT_LOW	0   /*  Low byte of RxEvent - status of received frame */
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| #define RBUF_EVENT_HIGH	1   /*  High byte of RxEvent - status of received frame */
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| #define RBUF_LEN_LOW	2   /*  Length of received data - low byte */
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| #define RBUF_LEN_HI	3   /*  Length of received data - high byte */
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| #define RBUF_HEAD_LEN	4   /*  Length of this header */
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| 
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| #define CHIP_READ 0x1   /*  Used to mark state of the repins code (chip or dma) */
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| #define DMA_READ 0x2   /*  Used to mark state of the repins code (chip or dma) */
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| 
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| /*  for bios scan */
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| /*  */
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| #ifdef CSDEBUG
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| /*  use these values for debugging bios scan */
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| #define BIOS_START_SEG 0x00000
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| #define BIOS_OFFSET_INC 0x0010
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| #else
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| #define BIOS_START_SEG 0x0c000
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| #define BIOS_OFFSET_INC 0x0200
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| #endif
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| 
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| #define BIOS_LAST_OFFSET 0x0fc00
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| 
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| /*  Byte offsets into the EEPROM configuration buffer */
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| #define ISA_CNF_OFFSET 0x6
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| #define TX_CTL_OFFSET (ISA_CNF_OFFSET + 8)			/*  8900 eeprom */
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| #define AUTO_NEG_CNF_OFFSET (ISA_CNF_OFFSET + 8)		/*  8920 eeprom */
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| 
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|   /*  the assumption here is that the bits in the eeprom are generally  */
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|   /*  in the same position as those in the autonegctl register. */
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|   /*  Of course the IMM bit is not in that register so it must be  */
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|   /*  masked out */
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| #define EE_FORCE_FDX  0x8000
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| #define EE_NLP_ENABLE 0x0200
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| #define EE_AUTO_NEG_ENABLE 0x0100
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| #define EE_ALLOW_FDX 0x0080
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| #define EE_AUTO_NEG_CNF_MASK (EE_FORCE_FDX|EE_NLP_ENABLE|EE_AUTO_NEG_ENABLE|EE_ALLOW_FDX)
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| 
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| #define IMM_BIT 0x0040		/*  ignore missing media	 */
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| 
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| #define ADAPTER_CNF_OFFSET (AUTO_NEG_CNF_OFFSET + 2)
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| #define A_CNF_10B_T 0x0001
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| #define A_CNF_AUI 0x0002
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| #define A_CNF_10B_2 0x0004
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| #define A_CNF_MEDIA_TYPE 0x0070
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| #define A_CNF_MEDIA_AUTO 0x0070
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| #define A_CNF_MEDIA_10B_T 0x0020
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| #define A_CNF_MEDIA_AUI 0x0040
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| #define A_CNF_MEDIA_10B_2 0x0010
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| #define A_CNF_DC_DC_POLARITY 0x0080
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| #define A_CNF_NO_AUTO_POLARITY 0x2000
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| #define A_CNF_LOW_RX_SQUELCH 0x4000
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| #define A_CNF_EXTND_10B_2 0x8000
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| 
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| #define PACKET_PAGE_OFFSET 0x8
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| 
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| /*  Bit definitions for the ISA configuration word from the EEPROM */
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| #define INT_NO_MASK 0x000F
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| #define DMA_NO_MASK 0x0070
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| #define ISA_DMA_SIZE 0x0200
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| #define ISA_AUTO_RxDMA 0x0400
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| #define ISA_RxDMA 0x0800
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| #define DMA_BURST 0x1000
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| #define STREAM_TRANSFER 0x2000
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| #define ANY_ISA_DMA (ISA_AUTO_RxDMA | ISA_RxDMA)
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| 
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| /*  DMA controller registers */
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| #define DMA_BASE 0x00     /*  DMA controller base */
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| #define DMA_BASE_2 0x0C0    /*  DMA controller base */
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| 
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| #define DMA_STAT 0x0D0    /*  DMA controller status register */
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| #define DMA_MASK 0x0D4    /*  DMA controller mask register */
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| #define DMA_MODE 0x0D6    /*  DMA controller mode register */
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| #define DMA_RESETFF 0x0D8    /*  DMA controller first/last flip flop */
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| 
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| /*  DMA data */
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| #define DMA_DISABLE 0x04     /*  Disable channel n */
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| #define DMA_ENABLE 0x00     /*  Enable channel n */
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| /*  Demand transfers, incr. address, auto init, writes, ch. n */
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| #define DMA_RX_MODE 0x14
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| /*  Demand transfers, incr. address, auto init, reads, ch. n */
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| #define DMA_TX_MODE 0x18
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| 
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| #define DMA_SIZE (16*1024) /*  Size of dma buffer - 16k */
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| 
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| #define CS8900 0x0000
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| #define CS8920 0x4000
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| #define CS8920M 0x6000
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| #define REVISON_BITS 0x1F00
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| #define EEVER_NUMBER 0x12
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| #define CHKSUM_LEN 0x14
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| #define CHKSUM_VAL 0x0000
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| #define START_EEPROM_DATA 0x001c /*  Offset into eeprom for start of data */
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| #define IRQ_MAP_EEPROM_DATA 0x0046 /*  Offset into eeprom for the IRQ map */
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| #define IRQ_MAP_LEN 0x0004 /*  No of bytes to read for the IRQ map */
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| #define PNP_IRQ_FRMT 0x0022 /*  PNP small item IRQ format */
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| #define CS8900_IRQ_MAP 0x1c20 /*  This IRQ map is fixed */
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| 
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| #define CS8920_NO_INTS 0x0F   /*  Max CS8920 interrupt select # */
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| 
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| #define PNP_ADD_PORT 0x0279
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| #define PNP_WRITE_PORT 0x0A79
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| 
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| #define GET_PNP_ISA_STRUCT 0x40
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| #define PNP_ISA_STRUCT_LEN 0x06
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| #define PNP_CSN_CNT_OFF 0x01
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| #define PNP_RD_PORT_OFF 0x02
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| #define PNP_FUNCTION_OK 0x00
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| #define PNP_WAKE 0x03
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| #define PNP_RSRC_DATA 0x04
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| #define PNP_RSRC_READY 0x01
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| #define PNP_STATUS 0x05
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| #define PNP_ACTIVATE 0x30
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| #define PNP_CNF_IO_H 0x60
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| #define PNP_CNF_IO_L 0x61
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| #define PNP_CNF_INT 0x70
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| #define PNP_CNF_DMA 0x74
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| #define PNP_CNF_MEM 0x48
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| 
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| #define BIT0 1
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| #define BIT15 0x8000
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| 
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