|  | /* | 
|  | * Definitions for the M48Txx and mc146818 series of Time of day/Real Time | 
|  | * Clock chips. | 
|  | * | 
|  | * Author: Mark A. Greer | 
|  | *         mgreer@mvista.com | 
|  | * | 
|  | * 2001 (c) MontaVista, Software, Inc.  This file is licensed under | 
|  | * the terms of the GNU General Public License version 2.  This program | 
|  | * is licensed "as is" without any warranty of any kind, whether express | 
|  | * or implied. | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * Support for the M48T37/M48T59/.../mc146818 Real Time Clock chips. | 
|  | * Purpose is to make one generic file that handles all of these chips instead | 
|  | * of every platform implementing the same code over & over again. | 
|  | */ | 
|  |  | 
|  | #ifndef __PPC_KERNEL_TODC_H | 
|  | #define __PPC_KERNEL_TODC_H | 
|  |  | 
|  | typedef struct { | 
|  | uint rtc_type;		/* your particular chip */ | 
|  |  | 
|  | /* | 
|  | * Following are the addresses of the AS0, AS1, and DATA registers | 
|  | * of these chips.  Note that these are board-specific. | 
|  | */ | 
|  | unsigned int nvram_as0; | 
|  | unsigned int nvram_as1; | 
|  | unsigned int nvram_data; | 
|  |  | 
|  | /* | 
|  | * Define bits to stop external set of regs from changing so | 
|  | * the chip can be read/written reliably. | 
|  | */ | 
|  | unsigned char enable_read; | 
|  | unsigned char enable_write; | 
|  |  | 
|  | /* | 
|  | * Following is the number of AS0 address bits.  This is normally | 
|  | * 8 but some bad hardware routes address lines incorrectly. | 
|  | */ | 
|  | int as0_bits; | 
|  |  | 
|  | int nvram_size;	/* Size of NVRAM on chip */ | 
|  | int sw_flags;	/* Software control flags */ | 
|  |  | 
|  | /* Following are the register offsets for the particular chip */ | 
|  | int year; | 
|  | int month; | 
|  | int day_of_month; | 
|  | int day_of_week; | 
|  | int hours; | 
|  | int minutes; | 
|  | int seconds; | 
|  | int control_b; | 
|  | int control_a; | 
|  | int watchdog; | 
|  | int interrupts; | 
|  | int alarm_date; | 
|  | int alarm_hour; | 
|  | int alarm_minutes; | 
|  | int alarm_seconds; | 
|  | int century; | 
|  | int flags; | 
|  |  | 
|  | /* | 
|  | * Some RTC chips have their NVRAM buried behind a addr/data pair of | 
|  | * regs on the first level/clock registers.  The following fields | 
|  | * are the addresses for those addr/data regs. | 
|  | */ | 
|  | int nvram_addr_reg; | 
|  | int nvram_data_reg; | 
|  | } todc_info_t; | 
|  |  | 
|  | /* | 
|  | * Define the types of TODC/RTC variants that are supported in | 
|  | * arch/ppc/kernel/todc_time.c | 
|  | * Make a new one of these for any chip somehow differs from what's already | 
|  | * defined.  That way, if you ever need to put in code to touch those | 
|  | * bits/registers in todc_time.c, you can put it inside an | 
|  | * 'if (todc_info->rtc_type ==  TODC_TYPE_XXX)' so you won't break | 
|  | * anyone else. | 
|  | */ | 
|  | #define	TODC_TYPE_MK48T35		1 | 
|  | #define	TODC_TYPE_MK48T37		2 | 
|  | #define	TODC_TYPE_MK48T59		3 | 
|  | #define	TODC_TYPE_DS1693		4	/* Dallas DS1693 RTC */ | 
|  | #define	TODC_TYPE_DS1743		5	/* Dallas DS1743 RTC */ | 
|  | #define	TODC_TYPE_DS1746		6	/* Dallas DS1746 RTC */ | 
|  | #define	TODC_TYPE_DS1747		7	/* Dallas DS1747 RTC */ | 
|  | #define	TODC_TYPE_DS1501		8	/* Dallas DS1501 RTC */ | 
|  | #define TODC_TYPE_DS1643		9	/* Dallas DS1643 RTC */ | 
|  | #define TODC_TYPE_PC97307		10	/* PC97307 internal RTC */ | 
|  | #define TODC_TYPE_DS1557		11	/* Dallas DS1557 RTC */ | 
|  | #define TODC_TYPE_DS17285		12	/* Dallas DS17285 RTC */ | 
|  | #define TODC_TYPE_DS1553		13	/* Dallas DS1553 RTC */ | 
|  | #define	TODC_TYPE_MC146818		100	/* Leave room for m48txx's */ | 
|  |  | 
|  | /* | 
|  | * Bit to clear/set to enable reads/writes to the chip | 
|  | */ | 
|  | #define	TODC_MK48TXX_CNTL_A_R		0x40 | 
|  | #define	TODC_MK48TXX_CNTL_A_W		0x80 | 
|  | #define	TODC_MK48TXX_DAY_CB		0x80 | 
|  |  | 
|  | #define	TODC_DS1501_CNTL_B_TE		0x80 | 
|  |  | 
|  | /* | 
|  | * Define flag bits used by todc routines. | 
|  | */ | 
|  | #define	TODC_FLAG_2_LEVEL_NVRAM		0x00000001 | 
|  |  | 
|  | /* | 
|  | * Define the values for the various RTC's that should to into the todc_info | 
|  | * table. | 
|  | * Note: The XXX_NVRAM_SIZE, XXX_NVRAM_ADDR_REG, and XXX_NVRAM_DATA_REG only | 
|  | * matter if XXX_SW_FLAGS has TODC_FLAG_2_LEVEL_NVRAM set. | 
|  | */ | 
|  | #define	TODC_TYPE_MK48T35_NVRAM_SIZE		0x7ff8 | 
|  | #define	TODC_TYPE_MK48T35_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_MK48T35_YEAR			0x7fff | 
|  | #define	TODC_TYPE_MK48T35_MONTH			0x7ffe | 
|  | #define	TODC_TYPE_MK48T35_DOM			0x7ffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_MK48T35_DOW			0x7ffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_MK48T35_HOURS			0x7ffb | 
|  | #define	TODC_TYPE_MK48T35_MINUTES		0x7ffa | 
|  | #define	TODC_TYPE_MK48T35_SECONDS		0x7ff9 | 
|  | #define	TODC_TYPE_MK48T35_CNTL_B		0x7ff9 | 
|  | #define	TODC_TYPE_MK48T35_CNTL_A		0x7ff8 | 
|  | #define	TODC_TYPE_MK48T35_WATCHDOG		0x0000 | 
|  | #define	TODC_TYPE_MK48T35_INTERRUPTS		0x0000 | 
|  | #define	TODC_TYPE_MK48T35_ALARM_DATE		0x0000 | 
|  | #define	TODC_TYPE_MK48T35_ALARM_HOUR		0x0000 | 
|  | #define	TODC_TYPE_MK48T35_ALARM_MINUTES		0x0000 | 
|  | #define	TODC_TYPE_MK48T35_ALARM_SECONDS		0x0000 | 
|  | #define	TODC_TYPE_MK48T35_CENTURY		0x0000 | 
|  | #define	TODC_TYPE_MK48T35_FLAGS			0x0000 | 
|  | #define	TODC_TYPE_MK48T35_NVRAM_ADDR_REG	0 | 
|  | #define	TODC_TYPE_MK48T35_NVRAM_DATA_REG	0 | 
|  |  | 
|  | #define	TODC_TYPE_MK48T37_NVRAM_SIZE		0x7ff0 | 
|  | #define	TODC_TYPE_MK48T37_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_MK48T37_YEAR			0x7fff | 
|  | #define	TODC_TYPE_MK48T37_MONTH			0x7ffe | 
|  | #define	TODC_TYPE_MK48T37_DOM			0x7ffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_MK48T37_DOW			0x7ffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_MK48T37_HOURS			0x7ffb | 
|  | #define	TODC_TYPE_MK48T37_MINUTES		0x7ffa | 
|  | #define	TODC_TYPE_MK48T37_SECONDS		0x7ff9 | 
|  | #define	TODC_TYPE_MK48T37_CNTL_B		0x7ff9 | 
|  | #define	TODC_TYPE_MK48T37_CNTL_A		0x7ff8 | 
|  | #define	TODC_TYPE_MK48T37_WATCHDOG		0x7ff7 | 
|  | #define	TODC_TYPE_MK48T37_INTERRUPTS		0x7ff6 | 
|  | #define	TODC_TYPE_MK48T37_ALARM_DATE		0x7ff5 | 
|  | #define	TODC_TYPE_MK48T37_ALARM_HOUR		0x7ff4 | 
|  | #define	TODC_TYPE_MK48T37_ALARM_MINUTES		0x7ff3 | 
|  | #define	TODC_TYPE_MK48T37_ALARM_SECONDS		0x7ff2 | 
|  | #define	TODC_TYPE_MK48T37_CENTURY		0x7ff1 | 
|  | #define	TODC_TYPE_MK48T37_FLAGS			0x7ff0 | 
|  | #define	TODC_TYPE_MK48T37_NVRAM_ADDR_REG	0 | 
|  | #define	TODC_TYPE_MK48T37_NVRAM_DATA_REG	0 | 
|  |  | 
|  | #define	TODC_TYPE_MK48T59_NVRAM_SIZE		0x1ff0 | 
|  | #define	TODC_TYPE_MK48T59_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_MK48T59_YEAR			0x1fff | 
|  | #define	TODC_TYPE_MK48T59_MONTH			0x1ffe | 
|  | #define	TODC_TYPE_MK48T59_DOM			0x1ffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_MK48T59_DOW			0x1ffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_MK48T59_HOURS			0x1ffb | 
|  | #define	TODC_TYPE_MK48T59_MINUTES		0x1ffa | 
|  | #define	TODC_TYPE_MK48T59_SECONDS		0x1ff9 | 
|  | #define	TODC_TYPE_MK48T59_CNTL_B		0x1ff9 | 
|  | #define	TODC_TYPE_MK48T59_CNTL_A		0x1ff8 | 
|  | #define	TODC_TYPE_MK48T59_WATCHDOG		0x1fff | 
|  | #define	TODC_TYPE_MK48T59_INTERRUPTS		0x1fff | 
|  | #define	TODC_TYPE_MK48T59_ALARM_DATE		0x1fff | 
|  | #define	TODC_TYPE_MK48T59_ALARM_HOUR		0x1fff | 
|  | #define	TODC_TYPE_MK48T59_ALARM_MINUTES		0x1fff | 
|  | #define	TODC_TYPE_MK48T59_ALARM_SECONDS		0x1fff | 
|  | #define	TODC_TYPE_MK48T59_CENTURY		0x1fff | 
|  | #define	TODC_TYPE_MK48T59_FLAGS			0x1fff | 
|  | #define	TODC_TYPE_MK48T59_NVRAM_ADDR_REG	0 | 
|  | #define	TODC_TYPE_MK48T59_NVRAM_DATA_REG	0 | 
|  |  | 
|  | #define	TODC_TYPE_DS1501_NVRAM_SIZE	0x100 | 
|  | #define	TODC_TYPE_DS1501_SW_FLAGS	TODC_FLAG_2_LEVEL_NVRAM | 
|  | #define	TODC_TYPE_DS1501_YEAR		(TODC_TYPE_DS1501_NVRAM_SIZE + 0x06) | 
|  | #define	TODC_TYPE_DS1501_MONTH		(TODC_TYPE_DS1501_NVRAM_SIZE + 0x05) | 
|  | #define	TODC_TYPE_DS1501_DOM		(TODC_TYPE_DS1501_NVRAM_SIZE + 0x04) | 
|  | #define	TODC_TYPE_DS1501_DOW		(TODC_TYPE_DS1501_NVRAM_SIZE + 0x03) | 
|  | #define	TODC_TYPE_DS1501_HOURS		(TODC_TYPE_DS1501_NVRAM_SIZE + 0x02) | 
|  | #define	TODC_TYPE_DS1501_MINUTES	(TODC_TYPE_DS1501_NVRAM_SIZE + 0x01) | 
|  | #define	TODC_TYPE_DS1501_SECONDS	(TODC_TYPE_DS1501_NVRAM_SIZE + 0x00) | 
|  | #define	TODC_TYPE_DS1501_CNTL_B		(TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) | 
|  | #define	TODC_TYPE_DS1501_CNTL_A		(TODC_TYPE_DS1501_NVRAM_SIZE + 0x0f) | 
|  | #define	TODC_TYPE_DS1501_WATCHDOG	(TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) | 
|  | #define	TODC_TYPE_DS1501_INTERRUPTS	(TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) | 
|  | #define	TODC_TYPE_DS1501_ALARM_DATE	(TODC_TYPE_DS1501_NVRAM_SIZE + 0x0b) | 
|  | #define	TODC_TYPE_DS1501_ALARM_HOUR	(TODC_TYPE_DS1501_NVRAM_SIZE + 0x0a) | 
|  | #define	TODC_TYPE_DS1501_ALARM_MINUTES	(TODC_TYPE_DS1501_NVRAM_SIZE + 0x09) | 
|  | #define	TODC_TYPE_DS1501_ALARM_SECONDS	(TODC_TYPE_DS1501_NVRAM_SIZE + 0x08) | 
|  | #define	TODC_TYPE_DS1501_CENTURY	(TODC_TYPE_DS1501_NVRAM_SIZE + 0x07) | 
|  | #define	TODC_TYPE_DS1501_FLAGS		(TODC_TYPE_DS1501_NVRAM_SIZE + 0xff) | 
|  | #define	TODC_TYPE_DS1501_NVRAM_ADDR_REG	0x10 | 
|  | #define	TODC_TYPE_DS1501_NVRAM_DATA_REG	0x13 | 
|  |  | 
|  | #define	TODC_TYPE_DS1553_NVRAM_SIZE		0x1ff0 | 
|  | #define	TODC_TYPE_DS1553_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_DS1553_YEAR			0x1fff | 
|  | #define	TODC_TYPE_DS1553_MONTH			0x1ffe | 
|  | #define	TODC_TYPE_DS1553_DOM			0x1ffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_DS1553_DOW			0x1ffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_DS1553_HOURS			0x1ffb | 
|  | #define	TODC_TYPE_DS1553_MINUTES		0x1ffa | 
|  | #define	TODC_TYPE_DS1553_SECONDS		0x1ff9 | 
|  | #define	TODC_TYPE_DS1553_CNTL_B			0x1ff9 | 
|  | #define	TODC_TYPE_DS1553_CNTL_A			0x1ff8	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_DS1553_WATCHDOG		0x1ff7 | 
|  | #define	TODC_TYPE_DS1553_INTERRUPTS		0x1ff6 | 
|  | #define	TODC_TYPE_DS1553_ALARM_DATE		0x1ff5 | 
|  | #define	TODC_TYPE_DS1553_ALARM_HOUR		0x1ff4 | 
|  | #define	TODC_TYPE_DS1553_ALARM_MINUTES		0x1ff3 | 
|  | #define	TODC_TYPE_DS1553_ALARM_SECONDS		0x1ff2 | 
|  | #define	TODC_TYPE_DS1553_CENTURY		0x1ff8 | 
|  | #define	TODC_TYPE_DS1553_FLAGS			0x1ff0 | 
|  | #define	TODC_TYPE_DS1553_NVRAM_ADDR_REG		0 | 
|  | #define	TODC_TYPE_DS1553_NVRAM_DATA_REG		0 | 
|  |  | 
|  | #define	TODC_TYPE_DS1557_NVRAM_SIZE		0x7fff0 | 
|  | #define	TODC_TYPE_DS1557_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_DS1557_YEAR			0x7ffff | 
|  | #define	TODC_TYPE_DS1557_MONTH			0x7fffe | 
|  | #define	TODC_TYPE_DS1557_DOM			0x7fffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_DS1557_DOW			0x7fffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_DS1557_HOURS			0x7fffb | 
|  | #define	TODC_TYPE_DS1557_MINUTES		0x7fffa | 
|  | #define	TODC_TYPE_DS1557_SECONDS		0x7fff9 | 
|  | #define	TODC_TYPE_DS1557_CNTL_B			0x7fff9 | 
|  | #define	TODC_TYPE_DS1557_CNTL_A			0x7fff8	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_DS1557_WATCHDOG		0x7fff7 | 
|  | #define	TODC_TYPE_DS1557_INTERRUPTS		0x7fff6 | 
|  | #define	TODC_TYPE_DS1557_ALARM_DATE		0x7fff5 | 
|  | #define	TODC_TYPE_DS1557_ALARM_HOUR		0x7fff4 | 
|  | #define	TODC_TYPE_DS1557_ALARM_MINUTES		0x7fff3 | 
|  | #define	TODC_TYPE_DS1557_ALARM_SECONDS		0x7fff2 | 
|  | #define	TODC_TYPE_DS1557_CENTURY		0x7fff8 | 
|  | #define	TODC_TYPE_DS1557_FLAGS			0x7fff0 | 
|  | #define	TODC_TYPE_DS1557_NVRAM_ADDR_REG		0 | 
|  | #define	TODC_TYPE_DS1557_NVRAM_DATA_REG		0 | 
|  |  | 
|  | #define	TODC_TYPE_DS1643_NVRAM_SIZE		0x1ff8 | 
|  | #define	TODC_TYPE_DS1643_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_DS1643_YEAR			0x1fff | 
|  | #define	TODC_TYPE_DS1643_MONTH			0x1ffe | 
|  | #define	TODC_TYPE_DS1643_DOM			0x1ffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_DS1643_DOW			0x1ffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_DS1643_HOURS			0x1ffb | 
|  | #define	TODC_TYPE_DS1643_MINUTES		0x1ffa | 
|  | #define	TODC_TYPE_DS1643_SECONDS		0x1ff9 | 
|  | #define	TODC_TYPE_DS1643_CNTL_B			0x1ff9 | 
|  | #define	TODC_TYPE_DS1643_CNTL_A			0x1ff8	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_DS1643_WATCHDOG		0x1fff | 
|  | #define	TODC_TYPE_DS1643_INTERRUPTS		0x1fff | 
|  | #define	TODC_TYPE_DS1643_ALARM_DATE		0x1fff | 
|  | #define	TODC_TYPE_DS1643_ALARM_HOUR		0x1fff | 
|  | #define	TODC_TYPE_DS1643_ALARM_MINUTES		0x1fff | 
|  | #define	TODC_TYPE_DS1643_ALARM_SECONDS		0x1fff | 
|  | #define	TODC_TYPE_DS1643_CENTURY		0x1ff8 | 
|  | #define	TODC_TYPE_DS1643_FLAGS			0x1fff | 
|  | #define	TODC_TYPE_DS1643_NVRAM_ADDR_REG		0 | 
|  | #define	TODC_TYPE_DS1643_NVRAM_DATA_REG		0 | 
|  |  | 
|  | #define	TODC_TYPE_DS1693_NVRAM_SIZE		0 /* Not handled yet */ | 
|  | #define	TODC_TYPE_DS1693_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_DS1693_YEAR			0x09 | 
|  | #define	TODC_TYPE_DS1693_MONTH			0x08 | 
|  | #define	TODC_TYPE_DS1693_DOM			0x07	/* Day of Month */ | 
|  | #define	TODC_TYPE_DS1693_DOW			0x06	/* Day of Week */ | 
|  | #define	TODC_TYPE_DS1693_HOURS			0x04 | 
|  | #define	TODC_TYPE_DS1693_MINUTES		0x02 | 
|  | #define	TODC_TYPE_DS1693_SECONDS		0x00 | 
|  | #define	TODC_TYPE_DS1693_CNTL_B			0x0b | 
|  | #define	TODC_TYPE_DS1693_CNTL_A			0x0a | 
|  | #define	TODC_TYPE_DS1693_WATCHDOG		0xff | 
|  | #define	TODC_TYPE_DS1693_INTERRUPTS		0xff | 
|  | #define	TODC_TYPE_DS1693_ALARM_DATE		0x49 | 
|  | #define	TODC_TYPE_DS1693_ALARM_HOUR		0x05 | 
|  | #define	TODC_TYPE_DS1693_ALARM_MINUTES		0x03 | 
|  | #define	TODC_TYPE_DS1693_ALARM_SECONDS		0x01 | 
|  | #define	TODC_TYPE_DS1693_CENTURY		0x48 | 
|  | #define	TODC_TYPE_DS1693_FLAGS			0xff | 
|  | #define	TODC_TYPE_DS1693_NVRAM_ADDR_REG		0 | 
|  | #define	TODC_TYPE_DS1693_NVRAM_DATA_REG		0 | 
|  |  | 
|  | #define	TODC_TYPE_DS1743_NVRAM_SIZE		0x1ff8 | 
|  | #define	TODC_TYPE_DS1743_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_DS1743_YEAR			0x1fff | 
|  | #define	TODC_TYPE_DS1743_MONTH			0x1ffe | 
|  | #define	TODC_TYPE_DS1743_DOM			0x1ffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_DS1743_DOW			0x1ffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_DS1743_HOURS			0x1ffb | 
|  | #define	TODC_TYPE_DS1743_MINUTES		0x1ffa | 
|  | #define	TODC_TYPE_DS1743_SECONDS		0x1ff9 | 
|  | #define	TODC_TYPE_DS1743_CNTL_B			0x1ff9 | 
|  | #define	TODC_TYPE_DS1743_CNTL_A			0x1ff8	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_DS1743_WATCHDOG		0x1fff | 
|  | #define	TODC_TYPE_DS1743_INTERRUPTS		0x1fff | 
|  | #define	TODC_TYPE_DS1743_ALARM_DATE		0x1fff | 
|  | #define	TODC_TYPE_DS1743_ALARM_HOUR		0x1fff | 
|  | #define	TODC_TYPE_DS1743_ALARM_MINUTES		0x1fff | 
|  | #define	TODC_TYPE_DS1743_ALARM_SECONDS		0x1fff | 
|  | #define	TODC_TYPE_DS1743_CENTURY		0x1ff8 | 
|  | #define	TODC_TYPE_DS1743_FLAGS			0x1fff | 
|  | #define	TODC_TYPE_DS1743_NVRAM_ADDR_REG		0 | 
|  | #define	TODC_TYPE_DS1743_NVRAM_DATA_REG		0 | 
|  |  | 
|  | #define	TODC_TYPE_DS1746_NVRAM_SIZE		0x1fff8 | 
|  | #define	TODC_TYPE_DS1746_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_DS1746_YEAR			0x1ffff | 
|  | #define	TODC_TYPE_DS1746_MONTH			0x1fffe | 
|  | #define	TODC_TYPE_DS1746_DOM			0x1fffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_DS1746_DOW			0x1fffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_DS1746_HOURS			0x1fffb | 
|  | #define	TODC_TYPE_DS1746_MINUTES		0x1fffa | 
|  | #define	TODC_TYPE_DS1746_SECONDS		0x1fff9 | 
|  | #define	TODC_TYPE_DS1746_CNTL_B			0x1fff9 | 
|  | #define	TODC_TYPE_DS1746_CNTL_A			0x1fff8	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_DS1746_WATCHDOG		0x00000 | 
|  | #define	TODC_TYPE_DS1746_INTERRUPTS		0x00000 | 
|  | #define	TODC_TYPE_DS1746_ALARM_DATE		0x00000 | 
|  | #define	TODC_TYPE_DS1746_ALARM_HOUR		0x00000 | 
|  | #define	TODC_TYPE_DS1746_ALARM_MINUTES		0x00000 | 
|  | #define	TODC_TYPE_DS1746_ALARM_SECONDS		0x00000 | 
|  | #define	TODC_TYPE_DS1746_CENTURY		0x00000 | 
|  | #define	TODC_TYPE_DS1746_FLAGS			0x00000 | 
|  | #define	TODC_TYPE_DS1746_NVRAM_ADDR_REG		0 | 
|  | #define	TODC_TYPE_DS1746_NVRAM_DATA_REG		0 | 
|  |  | 
|  | #define	TODC_TYPE_DS1747_NVRAM_SIZE		0x7fff8 | 
|  | #define	TODC_TYPE_DS1747_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_DS1747_YEAR			0x7ffff | 
|  | #define	TODC_TYPE_DS1747_MONTH			0x7fffe | 
|  | #define	TODC_TYPE_DS1747_DOM			0x7fffd	/* Day of Month */ | 
|  | #define	TODC_TYPE_DS1747_DOW			0x7fffc	/* Day of Week */ | 
|  | #define	TODC_TYPE_DS1747_HOURS			0x7fffb | 
|  | #define	TODC_TYPE_DS1747_MINUTES		0x7fffa | 
|  | #define	TODC_TYPE_DS1747_SECONDS		0x7fff9 | 
|  | #define	TODC_TYPE_DS1747_CNTL_B			0x7fff9 | 
|  | #define	TODC_TYPE_DS1747_CNTL_A			0x7fff8	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_DS1747_WATCHDOG		0x00000 | 
|  | #define	TODC_TYPE_DS1747_INTERRUPTS		0x00000 | 
|  | #define	TODC_TYPE_DS1747_ALARM_DATE		0x00000 | 
|  | #define	TODC_TYPE_DS1747_ALARM_HOUR		0x00000 | 
|  | #define	TODC_TYPE_DS1747_ALARM_MINUTES		0x00000 | 
|  | #define	TODC_TYPE_DS1747_ALARM_SECONDS		0x00000 | 
|  | #define	TODC_TYPE_DS1747_CENTURY		0x00000 | 
|  | #define	TODC_TYPE_DS1747_FLAGS			0x00000 | 
|  | #define	TODC_TYPE_DS1747_NVRAM_ADDR_REG		0 | 
|  | #define	TODC_TYPE_DS1747_NVRAM_DATA_REG		0 | 
|  |  | 
|  | #define TODC_TYPE_DS17285_NVRAM_SIZE		(0x1000-0x80)    /* 4Kx8 NVRAM (minus RTC regs) */ | 
|  | #define TODC_TYPE_DS17285_SW_FLAGS		TODC_FLAG_2_LEVEL_NVRAM | 
|  | #define TODC_TYPE_DS17285_SECONDS		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x00) | 
|  | #define TODC_TYPE_DS17285_ALARM_SECONDS		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x01) | 
|  | #define TODC_TYPE_DS17285_MINUTES		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x02) | 
|  | #define TODC_TYPE_DS17285_ALARM_MINUTES		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x03) | 
|  | #define TODC_TYPE_DS17285_HOURS			(TODC_TYPE_DS17285_NVRAM_SIZE + 0x04) | 
|  | #define TODC_TYPE_DS17285_ALARM_HOUR		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x05) | 
|  | #define TODC_TYPE_DS17285_DOW			(TODC_TYPE_DS17285_NVRAM_SIZE + 0x06) | 
|  | #define TODC_TYPE_DS17285_DOM			(TODC_TYPE_DS17285_NVRAM_SIZE + 0x07) | 
|  | #define TODC_TYPE_DS17285_MONTH			(TODC_TYPE_DS17285_NVRAM_SIZE + 0x08) | 
|  | #define TODC_TYPE_DS17285_YEAR			(TODC_TYPE_DS17285_NVRAM_SIZE + 0x09) | 
|  | #define TODC_TYPE_DS17285_CNTL_A		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x0A) | 
|  | #define TODC_TYPE_DS17285_CNTL_B		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x0B) | 
|  | #define TODC_TYPE_DS17285_CNTL_C		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x0C) | 
|  | #define TODC_TYPE_DS17285_CNTL_D		(TODC_TYPE_DS17285_NVRAM_SIZE + 0x0D) | 
|  | #define TODC_TYPE_DS17285_WATCHDOG		0 | 
|  | #define TODC_TYPE_DS17285_INTERRUPTS		0 | 
|  | #define TODC_TYPE_DS17285_ALARM_DATE		0 | 
|  | #define TODC_TYPE_DS17285_CENTURY		0 | 
|  | #define TODC_TYPE_DS17285_FLAGS			0 | 
|  | #define TODC_TYPE_DS17285_NVRAM_ADDR_REG	0x50 | 
|  | #define TODC_TYPE_DS17285_NVRAM_DATA_REG	0x53 | 
|  |  | 
|  | #define	TODC_TYPE_MC146818_NVRAM_SIZE		0	/* XXXX */ | 
|  | #define	TODC_TYPE_MC146818_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_MC146818_YEAR			0x09 | 
|  | #define	TODC_TYPE_MC146818_MONTH		0x08 | 
|  | #define	TODC_TYPE_MC146818_DOM			0x07	/* Day of Month */ | 
|  | #define	TODC_TYPE_MC146818_DOW			0x06	/* Day of Week */ | 
|  | #define	TODC_TYPE_MC146818_HOURS		0x04 | 
|  | #define	TODC_TYPE_MC146818_MINUTES		0x02 | 
|  | #define	TODC_TYPE_MC146818_SECONDS		0x00 | 
|  | #define	TODC_TYPE_MC146818_CNTL_B		0x0a | 
|  | #define	TODC_TYPE_MC146818_CNTL_A		0x0b	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_MC146818_WATCHDOG		0 | 
|  | #define	TODC_TYPE_MC146818_INTERRUPTS		0x0c | 
|  | #define	TODC_TYPE_MC146818_ALARM_DATE		0xff | 
|  | #define	TODC_TYPE_MC146818_ALARM_HOUR		0x05 | 
|  | #define	TODC_TYPE_MC146818_ALARM_MINUTES	0x03 | 
|  | #define	TODC_TYPE_MC146818_ALARM_SECONDS	0x01 | 
|  | #define	TODC_TYPE_MC146818_CENTURY		0xff | 
|  | #define	TODC_TYPE_MC146818_FLAGS		0xff | 
|  | #define	TODC_TYPE_MC146818_NVRAM_ADDR_REG	0 | 
|  | #define	TODC_TYPE_MC146818_NVRAM_DATA_REG	0 | 
|  |  | 
|  | #define	TODC_TYPE_PC97307_NVRAM_SIZE		0	/* No NVRAM? */ | 
|  | #define	TODC_TYPE_PC97307_SW_FLAGS		0 | 
|  | #define	TODC_TYPE_PC97307_YEAR			0x09 | 
|  | #define	TODC_TYPE_PC97307_MONTH			0x08 | 
|  | #define	TODC_TYPE_PC97307_DOM			0x07	/* Day of Month */ | 
|  | #define	TODC_TYPE_PC97307_DOW			0x06	/* Day of Week */ | 
|  | #define	TODC_TYPE_PC97307_HOURS			0x04 | 
|  | #define	TODC_TYPE_PC97307_MINUTES		0x02 | 
|  | #define	TODC_TYPE_PC97307_SECONDS		0x00 | 
|  | #define	TODC_TYPE_PC97307_CNTL_B		0x0a | 
|  | #define	TODC_TYPE_PC97307_CNTL_A		0x0b	/* control_a R/W regs */ | 
|  | #define	TODC_TYPE_PC97307_WATCHDOG		0x0c | 
|  | #define	TODC_TYPE_PC97307_INTERRUPTS		0x0d | 
|  | #define	TODC_TYPE_PC97307_ALARM_DATE		0xff | 
|  | #define	TODC_TYPE_PC97307_ALARM_HOUR		0x05 | 
|  | #define	TODC_TYPE_PC97307_ALARM_MINUTES		0x03 | 
|  | #define	TODC_TYPE_PC97307_ALARM_SECONDS		0x01 | 
|  | #define	TODC_TYPE_PC97307_CENTURY		0xff | 
|  | #define	TODC_TYPE_PC97307_FLAGS			0xff | 
|  | #define	TODC_TYPE_PC97307_NVRAM_ADDR_REG	0 | 
|  | #define	TODC_TYPE_PC97307_NVRAM_DATA_REG	0 | 
|  |  | 
|  | /* | 
|  | * Define macros to allocate and init the todc_info_t table that will | 
|  | * be used by the todc_time.c routines. | 
|  | */ | 
|  | #define	TODC_ALLOC()							\ | 
|  | static todc_info_t todc_info_alloc;				\ | 
|  | todc_info_t *todc_info = &todc_info_alloc; | 
|  |  | 
|  | #define	TODC_INIT(clock_type, as0, as1, data, bits) {			\ | 
|  | todc_info->rtc_type = clock_type;				\ | 
|  | \ | 
|  | todc_info->nvram_as0  = (unsigned int)(as0);			\ | 
|  | todc_info->nvram_as1  = (unsigned int)(as1);			\ | 
|  | todc_info->nvram_data = (unsigned int)(data);			\ | 
|  | \ | 
|  | todc_info->as0_bits = (bits);					\ | 
|  | \ | 
|  | todc_info->nvram_size     = clock_type ##_NVRAM_SIZE;		\ | 
|  | todc_info->sw_flags       = clock_type ##_SW_FLAGS;		\ | 
|  | \ | 
|  | todc_info->year           = clock_type ##_YEAR;			\ | 
|  | todc_info->month          = clock_type ##_MONTH;		\ | 
|  | todc_info->day_of_month   = clock_type ##_DOM;			\ | 
|  | todc_info->day_of_week    = clock_type ##_DOW;			\ | 
|  | todc_info->hours          = clock_type ##_HOURS;		\ | 
|  | todc_info->minutes        = clock_type ##_MINUTES;		\ | 
|  | todc_info->seconds        = clock_type ##_SECONDS;		\ | 
|  | todc_info->control_b      = clock_type ##_CNTL_B;		\ | 
|  | todc_info->control_a      = clock_type ##_CNTL_A;		\ | 
|  | todc_info->watchdog       = clock_type ##_WATCHDOG;		\ | 
|  | todc_info->interrupts     = clock_type ##_INTERRUPTS;		\ | 
|  | todc_info->alarm_date     = clock_type ##_ALARM_DATE;		\ | 
|  | todc_info->alarm_hour     = clock_type ##_ALARM_HOUR;		\ | 
|  | todc_info->alarm_minutes  = clock_type ##_ALARM_MINUTES;	\ | 
|  | todc_info->alarm_seconds  = clock_type ##_ALARM_SECONDS;	\ | 
|  | todc_info->century        = clock_type ##_CENTURY;		\ | 
|  | todc_info->flags          = clock_type ##_FLAGS;		\ | 
|  | \ | 
|  | todc_info->nvram_addr_reg = clock_type ##_NVRAM_ADDR_REG;	\ | 
|  | todc_info->nvram_data_reg = clock_type ##_NVRAM_DATA_REG;	\ | 
|  | } | 
|  |  | 
|  | extern todc_info_t *todc_info; | 
|  |  | 
|  | unsigned char todc_direct_read_val(int addr); | 
|  | void todc_direct_write_val(int addr, unsigned char val); | 
|  | unsigned char todc_m48txx_read_val(int addr); | 
|  | void todc_m48txx_write_val(int addr, unsigned char val); | 
|  | unsigned char todc_mc146818_read_val(int addr); | 
|  | void todc_mc146818_write_val(int addr, unsigned char val); | 
|  |  | 
|  | long todc_time_init(void); | 
|  | unsigned long todc_get_rtc_time(void); | 
|  | int todc_set_rtc_time(unsigned long nowtime); | 
|  | void todc_calibrate_decr(void); | 
|  |  | 
|  | #endif				/* __PPC_KERNEL_TODC_H */ |