--- /dev/null
+/*
+ * 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);
+void todc_get_rtc_time(struct rtc_time *);
+int todc_set_rtc_time(struct rtc_time *);
+void todc_calibrate_decr(void);
+
+#endif /* __PPC_KERNEL_TODC_H */
git://git.onelab.eu / linux-2.6.git / blobdiff