Add register definitions for the AT91 RTC so that this can potentially be used in U-Boot.
Signed-off-by: Simon Glass <s...@chromium.org> --- arch/arm/mach-at91/include/mach/at91_rtc.h | 71 ++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 arch/arm/mach-at91/include/mach/at91_rtc.h diff --git a/arch/arm/mach-at91/include/mach/at91_rtc.h b/arch/arm/mach-at91/include/mach/at91_rtc.h new file mode 100644 index 0000000..73070e3 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_rtc.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) SAN People + * + * Real Time Clock (RTC) - System peripheral registers. + * Based on AT91RM9200 datasheet revision E. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef AT91_RTC_H +#define AT91_RTC_H + +/* Control Register */ +#define AT91_RTC_CR (ATMEL_BASE_RTC + 0x00) +#define AT91_RTC_UPDTIM (1 << 0) /* Update Request Time */ +#define AT91_RTC_UPDCAL (1 << 1) /* Update Request Calendar */ +#define AT91_RTC_TIMEVSEL (3 << 8) /* Time Event Selection */ +#define AT91_RTC_TIMEVSEL_MINUTE (0 << 8) +#define AT91_RTC_TIMEVSEL_HOUR (1 << 8) +#define AT91_RTC_TIMEVSEL_DAY24 (2 << 8) +#define AT91_RTC_TIMEVSEL_DAY12 (3 << 8) +#define AT91_RTC_CALEVSEL (3 << 16) /* Calendar Event Selection */ +#define AT91_RTC_CALEVSEL_WEEK (0 << 16) +#define AT91_RTC_CALEVSEL_MONTH (1 << 16) +#define AT91_RTC_CALEVSEL_YEAR (2 << 16) + +#define AT91_RTC_MR (ATMEL_BASE_RTC + 0x04) /* Mode Register */ +#define AT91_RTC_HRMOD (1 << 0) /* 12/24 Hour Mode */ + +#define AT91_RTC_TIMR (ATMEL_BASE_RTC + 0x08) /* Time Register */ +#define AT91_RTC_SEC (0x7f << 0) /* Current Second */ +#define AT91_RTC_MIN (0x7f << 8) /* Current Minute */ +#define AT91_RTC_HOUR (0x3f << 16) /* Current Hour */ +#define AT91_RTC_AMPM (1 << 22) /* AM/PM */ + +#define AT91_RTC_CALR (ATMEL_BASE_RTC + 0x0c) /* Calendar Register */ +#define AT91_RTC_CENT (0x7f << 0) /* Current Century */ +#define AT91_RTC_YEAR (0xff << 8) /* Current Year */ +#define AT91_RTC_MONTH (0x1f << 16) /* Current Month */ +#define AT91_RTC_DAY (7 << 21) /* Current Day */ +#define AT91_RTC_DATE (0x3f << 24) /* Current Date */ + +#define AT91_RTC_TIMALR (ATMEL_BASE_RTC + 0x10) /* Time Alarm */ +#define AT91_RTC_SECEN (1 << 7) /* Second Alarm Enab */ +#define AT91_RTC_MINEN (1 << 15) /* Minute Alarm Enab */ +#define AT91_RTC_HOUREN (1 << 23) /* Hour Alarm Enable */ + +#define AT91_RTC_CALALR (ATMEL_BASE_RTC + 0x14) /* Calendar Alarm */ +#define AT91_RTC_MTHEN (1 << 23) /* Month Alarm Enable */ +#define AT91_RTC_DATEEN (1 << 31) /* Date Alarm Enable */ + +#define AT91_RTC_SR (ATMEL_BASE_RTC + 0x18) /* Status Register */ +#define AT91_RTC_ACKUPD (1 << 0) /* Ack for Update */ +#define AT91_RTC_ALARM (1 << 1) /* Alarm Flag */ +#define AT91_RTC_SECEV (1 << 2) /* Second Event */ +#define AT91_RTC_TIMEV (1 << 3) /* Time Event */ +#define AT91_RTC_CALEV (1 << 4) /* Calendar Event */ + +#define AT91_RTC_SCCR (ATMEL_BASE_RTC + 0x1c) /* Status Clear Cmd */ +#define AT91_RTC_IER (ATMEL_BASE_RTC + 0x20) /* Interrupt Enable */ +#define AT91_RTC_IDR (ATMEL_BASE_RTC + 0x24) /* Interrupt Disable */ +#define AT91_RTC_IMR (ATMEL_BASE_RTC + 0x28) /* Interrupt Mask */ + +#define AT91_RTC_VER (ATMEL_BASE_RTC + 0x2c) /* Valid Entry */ +#define AT91_RTC_NVTIM (1 << 0) /* Non-valid Time */ +#define AT91_RTC_NVCAL (1 << 1) /* Non-valid Calendar */ +#define AT91_RTC_NVTIMALR (1 << 2) /* .. Time Alarm */ +#define AT91_RTC_NVCALALR (1 << 3) /* .. Calendar Alarm */ + +#endif -- 2.8.0.rc3.226.g39d4020 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
