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C/C++ Source or Header | 2006-08-11 | 19.4 KB | 489 lines

/* * 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 */