| /* | |
| * 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 */ |