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kernel/linux-rt-4.4.41/arch/xtensa/include/asm/mxregs.h 1.3 KB
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  /*
   * Xtensa MX interrupt distributor
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2008 - 2013 Tensilica Inc.
   */
  
  #ifndef _XTENSA_MXREGS_H
  #define _XTENSA_MXREGS_H
  
  /*
   * RER/WER at, as	Read/write external register
   *	at: value
   *	as: address
   *
   * Address	Value
   * 00nn		0...0p..p	Interrupt Routing, route IRQ n to processor p
   * 01pp		0...0d..d	16 bits (d) 'ored' as single IPI to processor p
   * 0180		0...0m..m	Clear enable specified by mask (m)
   * 0184		0...0m..m	Set enable specified by mask (m)
   * 0190		0...0x..x	8-bit IPI partition register
   *				VVVVVVVVPPPPUUUUUUUUUUUUUUUUU
   *				V (10-bit) Release/Version
   *				P ( 4-bit) Number of cores - 1
   *				U (18-bit) ID
   * 01a0		i.......i	32-bit ConfigID
   * 0200		0...0m..m	RunStall core 'n'
   * 0220		c		Cache coherency enabled
   */
  
  #define MIROUT(irq)	(0x000 + (irq))
  #define MIPICAUSE(cpu)	(0x100 + (cpu))
  #define MIPISET(cause)	(0x140 + (cause))
  #define MIENG		0x180
  #define MIENGSET	0x184
  #define MIASG		0x188	/* Read Global Assert Register */
  #define MIASGSET	0x18c	/* Set Global Addert Regiter */
  #define MIPIPART	0x190
  #define SYSCFGID	0x1a0
  #define MPSCORE		0x200
  #define CCON		0x220
  
  #endif /* _XTENSA_MXREGS_H */