diff options
Diffstat (limited to 'src/drivers/i2c/rx6110sa/rx6110sa.h')
-rw-r--r-- | src/drivers/i2c/rx6110sa/rx6110sa.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/drivers/i2c/rx6110sa/rx6110sa.h b/src/drivers/i2c/rx6110sa/rx6110sa.h new file mode 100644 index 0000000000..99527e0420 --- /dev/null +++ b/src/drivers/i2c/rx6110sa/rx6110sa.h @@ -0,0 +1,59 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Siemens AG + * + * 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; version 2 of the License. + * + * 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. + */ + +#ifndef _I2C_RX6110SA_H_ +#define _I2C_RX6110SA_H_ + +/* The address of this RTC is fixed. */ +#define RX6110SA_SLAVE_ADR 0x32 +#define RX6110SA_I2C_CONTROLLER 0 + +/* Register layout */ +#define SECOND_REG 0x10 +#define MINUTE_REG 0x11 +#define HOUR_REG 0x12 +#define WEEK_REG 0x13 +#define DAY_REG 0x14 +#define MONTH_REG 0x15 +#define YEAR_REG 0x16 +#define RESERVED_BIT_REG 0x17 +#define RTC_INIT_VALUE 0x28 +#define ALARM_MINUTE_REG 0x18 +#define ALARM_HOUR_REG 0x19 +#define ALARM_WEEKDAY_REG 0x1A +#define TMR_COUNTER_0_REG 0x1B +#define TMR_COUNTER_1_REG 0x1C +#define EXTENSION_REG 0x1D +#define TE_BIT (1 << 4) +#define FSEL_MASK 0xC0 +#define FLAG_REGISTER 0x1E +#define VLF_BIT (1 << 1) +#define CTRL_REG 0x1F +#define AIE_BIT (1 << 3) +#define TIE_BIT (1 << 4) +#define UIE_BIT (1 << 5) +#define STOP_BIT (1 << 6) +#define TEST_BIT (1 << 7) +#define DIGITAL_REG 0x30 +#define BATTERY_BACKUP_REG 0x31 +#define IRQ_CONTROL_REG 0x32 + +/* Define CLKOUT frequency divider values valid for parameter cof_selection */ +#define COF_OFF 0x00 +#define COF_1_HZ 0x01 +#define COF_1024_HZ 0x02 +#define COF_32768_HZ 0x03 + +#endif /* _I2C_RX6110SA_H_ */ |