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Diffstat (limited to 'include/asm-m68k/mcftimer.h')
| -rw-r--r-- | include/asm-m68k/mcftimer.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/asm-m68k/mcftimer.h b/include/asm-m68k/mcftimer.h new file mode 100644 index 0000000..047950b --- /dev/null +++ b/include/asm-m68k/mcftimer.h @@ -0,0 +1,113 @@ +/* + * mcftimer.h -- ColdFire internal TIMER support defines. + * + * Based on mcftimer.h of uCLinux distribution: + * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com) + * (C) Copyright 2000, Lineo Inc. (www.lineo.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/****************************************************************************/ +#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 */ +#elif defined(CONFIG_M5282) +#define MCFTIMER_BASE1 0x150000 /* Base address of TIMER1 */ +#define MCFTIMER_BASE2 0x160000 /* Base address of TIMER2 */ +#define MCFTIMER_BASE3 0x170000 /* Base address of TIMER4 */ +#define MCFTIMER_BASE4 0x180000 /* Base address of TIMER3 */ +#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) */ + + +/* + * Define the TIMER register set addresses for 5282. + */ +#define MCFTIMER_PCSR 0 +#define MCFTIMER_PMR 1 +#define MCFTIMER_PCNTR 2 + +/* + * 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 */ + +/* + * Bit definitions for the 5282 PIT Control and Status Register (PCSR). + */ +#define MCFTIMER_PCSR_EN 0x0001 +#define MCFTIMER_PCSR_RLD 0x0002 +#define MCFTIMER_PCSR_PIF 0x0004 +#define MCFTIMER_PCSR_PIE 0x0008 +#define MCFTIMER_PCSR_OVW 0x0010 +#define MCFTIMER_PCSR_HALTED 0x0020 +#define MCFTIMER_PCSR_DOZE 0x0040 + + +/****************************************************************************/ +#endif /* mcftimer_h */ |