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79835e08f5
This library is provides real time clock for LoongArch virtual machine. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584 Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Bibo Mao <maobibo@loongson.cn> Cc: Dongyan Qian <qiandongyan@loongson.cn> Signed-off-by: Chao Li <lichao@loongson.cn> Co-authored-by: Baoqi Zhang <zhangbaoqi@loongson.cn> Co-authored-by: Xianglai Li <lixianglai@loongson.cn>
41 lines
960 B
C
41 lines
960 B
C
/** @file
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Implement EFI RealTimeClock runtime services via RTC Lib.
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Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef LS_REAL_TIME_CLOCK_H_
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#define LS_REAL_TIME_CLOCK_H_
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#define TOY_WRITE0_REG 0x24
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#define TOY_WRITE1_REG 0x28
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#define TOY_READ0_REG 0x2c
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#define TOY_READ1_REG 0x30
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#define RTC_CTRL_REG 0x40
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/* TOY Enable bits */
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#define RTC_ENABLE_BIT (1UL << 13)
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#define TOY_ENABLE_BIT (1UL << 11)
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#define OSC_ENABLE_BIT (1UL << 8)
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/*
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* shift bits and filed mask
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*/
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#define TOY_MON_MASK 0x3f
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#define TOY_DAY_MASK 0x1f
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#define TOY_HOUR_MASK 0x1f
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#define TOY_MIN_MASK 0x3f
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#define TOY_SEC_MASK 0x3f
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#define TOY_MSEC_MASK 0xf
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#define TOY_MON_SHIFT 26
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#define TOY_DAY_SHIFT 21
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#define TOY_HOUR_SHIFT 16
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#define TOY_MIN_SHIFT 10
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#define TOY_SEC_SHIFT 4
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#endif // LS_REAL_TIME_CLOCK_H_
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