diff options
Diffstat (limited to 'usr/src/uts/sun4u/sys/todm5823.h')
| -rw-r--r-- | usr/src/uts/sun4u/sys/todm5823.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/usr/src/uts/sun4u/sys/todm5823.h b/usr/src/uts/sun4u/sys/todm5823.h new file mode 100644 index 0000000000..e7c5974978 --- /dev/null +++ b/usr/src/uts/sun4u/sys/todm5823.h @@ -0,0 +1,141 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2002 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _TODM5823_H +#define _TODM5823_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +extern char *v_rtc_addr_reg; +extern volatile uint8_t *v_rtc_data_reg; + +#ifdef DEBUG +#include <sys/promif.h> +#define DPRINTF if (m5823_debug_flags) prom_printf +#else +#define DPRINTF +#endif /* DEBUG */ + +#define M5823_ADDR_BANK0_REG *(volatile uint8_t *)v_rtc_addr_reg +#define M5823_DATA_BANK0_REG *v_rtc_data_reg +#define M5823_ADDR_BANK1_REG *((volatile uint8_t *)v_rtc_addr_reg + 2) +#define M5823_DATA_BANK1_REG *(v_rtc_data_reg + 2) + +/* + * Definitions for Real Time Clock driver (ALI M5823 chip). + */ +#define RTC_SEC 0x0 /* Seconds */ +#define RTC_ASEC 0x1 /* Seconds Alarm */ +#define RTC_MIN 0x2 /* Minutes */ +#define RTC_AMIN 0x3 /* Minutes Alarm */ +#define RTC_HRS 0x4 /* Hours */ +#define RTC_AHRS 0x5 /* Hours Alarm */ +#define RTC_DOW 0x6 /* Day-of-Week */ +#define RTC_DOM 0x7 /* Day-of-Month */ +#define RTC_MON 0x8 /* Month */ +#define RTC_YEAR 0x9 /* Year */ +#define RTC_CENTURY 0x32 /* Century */ + +#define RTC_AMON 0x7c /* Month Alarm Bank 1 */ +#define RTC_AWEK 0x7d /* Week Alarm Bank 1 */ + +#define RTC_A 0xa /* Control Register A */ +#define RTC_B 0xb /* Control Register B */ +#define RTC_C 0xc /* Control Register C */ +#define RTC_D 0xd /* Control Register D */ + +/* + * Control register A definitions + */ +#define RTC_RS 0x0f /* Rate select for periodic interrupt */ +#define RTC_DIV 0x70 /* Divider control */ +#define RTC_UIP 0x80 /* Update in progress bit */ + +#define RTC_DIV_OPERATE 0x50 /* dividor value for operate mode */ + +/* + * Control register B definitions + */ +#define RTC_DSE 0x01 /* Daylight Savings Enable */ +#define RTC_HM 0x02 /* Hour mode, 1 = 24 hour, 0 = 12 hour */ +#define RTC_DM 0x04 /* Date mode, 1 = binary, 0 = BCD */ +#define RTC_UIE 0x10 /* Update-ended Interrupt Enable */ +#define RTC_AIE 0x20 /* Alarm Interrupt Enable */ +#define RTC_PIE 0x40 /* Periodic Interrupt Enable */ +#define RTC_SET 0x80 /* Stop updates for time set */ + +/* + * Control Register C definitions + */ +#define RTC_UF 0x10 /* UF flag bit */ +#define RTC_AF 0x20 /* AF flag bit */ +#define RTC_PF 0x40 /* PF flag bit */ +#define RTC_IRQF 0x80 /* IRQ flag */ + +/* + * Control Register D definitions + */ +#define RTC_ADOM_REG RTC_D +#define RTC_ADOM 0x3f /* Day-of-Month Alarm */ + +/* + * The following two defintions are used in conjuction to wait + * for the UIP bit to clear. UIP bit is set 274 usec before the + * update and remains set for 336 usec. + */ +#define TODM5823_UIP_RETRY_THRESH 134 +#define TODM5823_UIP_WAIT_USEC 5 + +struct rtc_t { + uint8_t rtc_sec; /* seconds */ + uint8_t rtc_asec; /* alarm seconds */ + uint8_t rtc_min; /* mins */ + uint8_t rtc_amin; /* alarm mins */ + uint8_t rtc_hrs; /* hours */ + uint8_t rtc_ahrs; /* alarm hours */ + uint8_t rtc_dow; /* day of the week */ + uint8_t rtc_dom; /* day of the month */ + uint8_t rtc_mon; /* month */ + uint8_t rtc_year; /* year */ + uint8_t rtc_rega; /* REG A */ + uint8_t rtc_regb; /* REG B */ + uint8_t rtc_regc; /* REG C */ + uint8_t rtc_regd; /* REG D */ + uint8_t rtc_century; /* century */ + uint8_t rtc_adom; /* alarm day */ + uint8_t rtc_amon; /* alarm month */ + uint8_t rtc_awek; /* alarm week */ +}; + +#ifdef __cplusplus +} +#endif + +#endif /* _TODM5823_H */ |