cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/asm/dec/kn05.h

/*
 *      include/asm-mips/dec/kn05.h
 *
 *      DECstation/DECsystem 5000/260 (4max+ or KN05), 5000/150 (4min
 *      or KN04-BA), Personal DECstation/DECsystem 5000/50 (4maxine or
 *      KN04-CA) and DECsystem 5900/260 (KN05) R4k CPU card MB ASIC
 *      definitions.
 *
 *      Copyright (C) 2002, 2003, 2005, 2008  Maciej W. Rozycki
 *
 *      This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 *
 *      WARNING!  All this information is pure guesswork based on the
 *      ROM.  It is provided here in hope it will give someone some
 *      food for thought.  No documentation for the KN05 nor the KN04
 *      module has been located so far.
 */
#ifndef __ASM_MIPS_DEC_KN05_H

#define __ASM_MIPS_DEC_KN05_H

#include <asm/dec/ioasic_addrs.h>

/*
 * The oncard MB (Memory Buffer) ASIC provides an additional address
 * decoder.  Certain address ranges within the "high" 16 slots are
 * passed to the I/O ASIC's decoder like with the KN03 or KN02-BA/CA.
 * Others are handled locally.  "Low" slots are always passed.
 */

#define KN4K_SLOT_BASE	0x1fc00000


#define KN4K_MB_ROM	(0*IOASIC_SLOT_SIZE)	
/* KN05/KN04 card ROM */

#define KN4K_IOCTL	(1*IOASIC_SLOT_SIZE)	
/* I/O ASIC */

#define KN4K_ESAR	(2*IOASIC_SLOT_SIZE)	
/* LANCE MAC address chip */

#define KN4K_LANCE	(3*IOASIC_SLOT_SIZE)	
/* LANCE Ethernet */

#define KN4K_MB_INT	(4*IOASIC_SLOT_SIZE)	
/* MB interrupt register */

#define KN4K_MB_EA	(5*IOASIC_SLOT_SIZE)	
/* MB error address? */

#define KN4K_MB_EC	(6*IOASIC_SLOT_SIZE)	
/* MB error ??? */

#define KN4K_MB_CSR	(7*IOASIC_SLOT_SIZE)	
/* MB control & status */

#define KN4K_RES_08	(8*IOASIC_SLOT_SIZE)	
/* unused? */

#define KN4K_RES_09	(9*IOASIC_SLOT_SIZE)	
/* unused? */

#define KN4K_RES_10	(10*IOASIC_SLOT_SIZE)	
/* unused? */

#define KN4K_RES_11	(11*IOASIC_SLOT_SIZE)	
/* unused? */

#define KN4K_SCSI	(12*IOASIC_SLOT_SIZE)	
/* ASC SCSI */

#define KN4K_RES_13	(13*IOASIC_SLOT_SIZE)	
/* unused? */

#define KN4K_RES_14	(14*IOASIC_SLOT_SIZE)	
/* unused? */

#define KN4K_RES_15	(15*IOASIC_SLOT_SIZE)	
/* unused? */

/*
 * MB ASIC interrupt bits.
 */

#define KN4K_MB_INR_MB		4	
/* ??? */

#define KN4K_MB_INR_MT		3	
/* memory, I/O bus read/write errors */

#define KN4K_MB_INR_RES_2	2	
/* unused */

#define KN4K_MB_INR_RTC		1	
/* RTC */

#define KN4K_MB_INR_TC		0	
/* I/O ASIC cascade */

/*
 * Bits for the MB interrupt register.
 * The register appears read-only.
 */

#define KN4K_MB_INT_IRQ		(0x1f<<0)	
/* CPU Int[4:0] status. */

#define KN4K_MB_INT_IRQ_N(n)	(1<<(n))	
/* Individual status bits. */

/*
 * Bits for the MB control & status register.
 * Set to 0x00bf8001 for KN05 and to 0x003f8000 for KN04 by the firmware.
 */

#define KN4K_MB_CSR_PF		(1<<0)		
/* PreFetching enable? */

#define KN4K_MB_CSR_F		(1<<1)		
/* ??? */

#define KN4K_MB_CSR_ECC		(0xff<<2)	
/* ??? */

#define KN4K_MB_CSR_OD		(1<<10)		
/* ??? */

#define KN4K_MB_CSR_CP		(1<<11)		
/* ??? */

#define KN4K_MB_CSR_UNC		(1<<12)		
/* ??? */

#define KN4K_MB_CSR_IM		(1<<13)		
/* ??? */

#define KN4K_MB_CSR_NC		(1<<14)		
/* ??? */

#define KN4K_MB_CSR_EE		(1<<15)		
/* (bus) Exception Enable? */

#define KN4K_MB_CSR_MSK		(0x1f<<16)	
/* CPU Int[4:0] mask */

#define KN4K_MB_CSR_MSK_N(n)	(1<<((n)+16))	
/* Individual mask bits. */

#define KN4K_MB_CSR_FW		(1<<21)		
/* ??? */

#define KN4K_MB_CSR_W		(1<<31)		
/* ??? */

#endif /* __ASM_MIPS_DEC_KN05_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle10651.21%116.67%
Maciej W. Rozycki9947.83%466.67%
Andrew Morton20.97%116.67%
Total207100.00%6100.00%
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