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kernel/linux-rt-4.4.41/arch/mips/include/asm/txx9tmr.h 1.59 KB
5113f6f70   김현기   kernel add
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  /*
   * include/asm-mips/txx9tmr.h
   * TX39/TX49 timer controller definitions.
   *
   * 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.
   */
  #ifndef __ASM_TXX9TMR_H
  #define __ASM_TXX9TMR_H
  
  #include <linux/types.h>
  
  struct txx9_tmr_reg {
  	u32 tcr;
  	u32 tisr;
  	u32 cpra;
  	u32 cprb;
  	u32 itmr;
  	u32 unused0[3];
  	u32 ccdr;
  	u32 unused1[3];
  	u32 pgmr;
  	u32 unused2[3];
  	u32 wtmr;
  	u32 unused3[43];
  	u32 trr;
  };
  
  /* TMTCR : Timer Control */
  #define TXx9_TMTCR_TCE		0x00000080
  #define TXx9_TMTCR_CCDE		0x00000040
  #define TXx9_TMTCR_CRE		0x00000020
  #define TXx9_TMTCR_ECES		0x00000008
  #define TXx9_TMTCR_CCS		0x00000004
  #define TXx9_TMTCR_TMODE_MASK	0x00000003
  #define TXx9_TMTCR_TMODE_ITVL	0x00000000
  #define TXx9_TMTCR_TMODE_PGEN	0x00000001
  #define TXx9_TMTCR_TMODE_WDOG	0x00000002
  
  /* TMTISR : Timer Int. Status */
  #define TXx9_TMTISR_TPIBS	0x00000004
  #define TXx9_TMTISR_TPIAS	0x00000002
  #define TXx9_TMTISR_TIIS	0x00000001
  
  /* TMITMR : Interval Timer Mode */
  #define TXx9_TMITMR_TIIE	0x00008000
  #define TXx9_TMITMR_TZCE	0x00000001
  
  /* TMWTMR : Watchdog Timer Mode */
  #define TXx9_TMWTMR_TWIE	0x00008000
  #define TXx9_TMWTMR_WDIS	0x00000080
  #define TXx9_TMWTMR_TWC		0x00000001
  
  void txx9_clocksource_init(unsigned long baseaddr,
  			   unsigned int imbusclk);
  void txx9_clockevent_init(unsigned long baseaddr, int irq,
  			  unsigned int imbusclk);
  void txx9_tmr_init(unsigned long baseaddr);
  
  #ifdef CONFIG_CPU_TX39XX
  #define TXX9_TIMER_BITS 24
  #else
  #define TXX9_TIMER_BITS 32
  #endif
  
  #endif /* __ASM_TXX9TMR_H */