| /****************************************************************************/ |
| |
| /* |
| * mcftimer.h -- ColdFire internal TIMER support defines. |
| * |
| * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com) |
| * (C) Copyright 2000, Lineo Inc. (www.lineo.com) |
| */ |
| |
| /****************************************************************************/ |
| #ifndef mcftimer_h |
| #define mcftimer_h |
| /****************************************************************************/ |
| |
| #include <linux/config.h> |
| |
| /* |
| * Get address specific defines for this ColdFire member. |
| */ |
| #if defined(CONFIG_M5204) || defined(CONFIG_M5206) || defined(CONFIG_M5206e) |
| #define MCFTIMER_BASE1 0x100 /* Base address of TIMER1 */ |
| #define MCFTIMER_BASE2 0x120 /* Base address of TIMER2 */ |
| #elif defined(CONFIG_M5272) |
| #define MCFTIMER_BASE1 0x200 /* Base address of TIMER1 */ |
| #define MCFTIMER_BASE2 0x220 /* Base address of TIMER2 */ |
| #define MCFTIMER_BASE3 0x240 /* Base address of TIMER4 */ |
| #define MCFTIMER_BASE4 0x260 /* Base address of TIMER3 */ |
| #elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407) |
| #define MCFTIMER_BASE1 0x140 /* Base address of TIMER1 */ |
| #define MCFTIMER_BASE2 0x180 /* Base address of TIMER2 */ |
| #endif |
| |
| |
| /* |
| * Define the TIMER register set addresses. |
| */ |
| #define MCFTIMER_TMR 0x00 /* Timer Mode reg (r/w) */ |
| #define MCFTIMER_TRR 0x02 /* Timer Reference (r/w) */ |
| #define MCFTIMER_TCR 0x04 /* Timer Capture reg (r/w) */ |
| #define MCFTIMER_TCN 0x06 /* Timer Counter reg (r/w) */ |
| #define MCFTIMER_TER 0x11 /* Timer Event reg (r/w) */ |
| |
| struct mcftimer { |
| unsigned short tmr; /* Timer Mode reg (r/w) */ |
| unsigned short reserved1; |
| unsigned short trr; /* Timer Reference (r/w) */ |
| unsigned short reserved2; |
| unsigned short tcr; /* Timer Capture reg (r/w) */ |
| unsigned short reserved3; |
| unsigned short tcn; /* Timer Counter reg (r/w) */ |
| unsigned short reserved4; |
| unsigned char reserved5; |
| unsigned char ter; /* Timer Event reg (r/w) */ |
| } __attribute__((packed)); |
| |
| /* |
| * Bit definitions for the Timer Mode Register (TMR). |
| * Register bit flags are common accross ColdFires. |
| */ |
| #define MCFTIMER_TMR_PREMASK 0xff00 /* Prescalar mask */ |
| #define MCFTIMER_TMR_DISCE 0x0000 /* Disable capture */ |
| #define MCFTIMER_TMR_ANYCE 0x00c0 /* Capture any edge */ |
| #define MCFTIMER_TMR_FALLCE 0x0080 /* Capture fallingedge */ |
| #define MCFTIMER_TMR_RISECE 0x0040 /* Capture rising edge */ |
| #define MCFTIMER_TMR_ENOM 0x0020 /* Enable output toggle */ |
| #define MCFTIMER_TMR_DISOM 0x0000 /* Do single output pulse */ |
| #define MCFTIMER_TMR_ENORI 0x0010 /* Enable ref interrupt */ |
| #define MCFTIMER_TMR_DISORI 0x0000 /* Disable ref interrupt */ |
| #define MCFTIMER_TMR_RESTART 0x0008 /* Restart counter */ |
| #define MCFTIMER_TMR_FREERUN 0x0000 /* Free running counter */ |
| #define MCFTIMER_TMR_CLKTIN 0x0006 /* Input clock is TIN */ |
| #define MCFTIMER_TMR_CLK16 0x0004 /* Input clock is /16 */ |
| #define MCFTIMER_TMR_CLK1 0x0002 /* Input clock is /1 */ |
| #define MCFTIMER_TMR_CLKSTOP 0x0000 /* Stop counter */ |
| #define MCFTIMER_TMR_ENABLE 0x0001 /* Enable timer */ |
| #define MCFTIMER_TMR_DISABLE 0x0000 /* Disable timer */ |
| |
| /* |
| * Bit definitions for the Timer Event Registers (TER). |
| */ |
| #define MCFTIMER_TER_CAP 0x01 /* Capture event */ |
| #define MCFTIMER_TER_REF 0x02 /* Refernece event */ |
| |
| /****************************************************************************/ |
| #endif /* mcftimer_h */ |
