From nobody Tue Apr 23 21:06:04 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) client-ip=66.175.222.12; envelope-from=bounce+27952+59743+1787277+3901457@groups.io; helo=web01.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+59743+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1589810747; cv=none; d=zohomail.com; s=zohoarc; b=eMcMi0kmXY4soEAp5ChT/W/6OxybyAw1MLtNbktRnMuVGx4iUUErqzYwEZ/px8hbTMCc7uNducm5Y3+NZEAYZu5Ves6lRzJv7sznwzyyDWGfBwt60IMyQgGwv0tYHsGhMTwhreYECr6OIlKDGwrnd400ePGRRJ6/7O7hUlHAjtA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1589810747; h=Content-Type:Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=vJpZR5FP3GTz+HxYkL5+y7+tLO1USnLBIMYYYjSrTeY=; b=b/lWwoNZbB9kCpmVD+d5D1zJvGV5Eptq6u/bpQombtrrYzo7t/NNe4GbYK3V2CogBnEBs01K+8nq7cqXyUooT4D5q/o27m9sKoGbu4kreICmDo1XTy/y1Xvx2myXlneJFaoOn8mCTuRm7n9ofXLcNHbQavEUnnu/FDC1ZPIqTHc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+59743+1787277+3901457@groups.io Received: from web01.groups.io (web01.groups.io [66.175.222.12]) by mx.zohomail.com with SMTPS id 158981074710197.59562620650843; Mon, 18 May 2020 07:05:47 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id mwCsYY1788612xY2efQCFklI; Mon, 18 May 2020 07:05:46 -0700 X-Received: from huawei.com (huawei.com [45.249.212.32]) by mx.groups.io with SMTP id smtpd.web12.41858.1589809175781340920 for ; Mon, 18 May 2020 06:39:36 -0700 X-Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 27640AAEC81797DD5042; Mon, 18 May 2020 21:39:32 +0800 (CST) X-Received: from HGH1000039998.huawei.com (10.184.68.188) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Mon, 18 May 2020 21:39:23 +0800 From: Ming Huang To: , , CC: , , , Subject: [edk2-devel] [RFC edk2-platforms v1 1/2] Hisilicon/Library: Move two functions to RtcHelperLib Date: Mon, 18 May 2020 21:37:23 +0800 Message-ID: <1589809044-59210-2-git-send-email-huangming23@huawei.com> In-Reply-To: <1589809044-59210-1-git-send-email-huangming23@huawei.com> References: <1589809044-59210-1-git-send-email-huangming23@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.184.68.188] X-CFilter-Loop: Reflected Precedence: Bulk List-Unsubscribe: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,huangming23@huawei.com X-Gm-Message-State: 9ydDOB126GgMbdk2x766xf2Wx1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1589810746; bh=NGJbh/fvkmK0SmsIu5KRJ5v6ndJLqsRoBVBtQ8PUM6Y=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=BugU6OX4gP/XCKCIsrHg4aZNAs+BN9u7V/U6ejAu/wLdYyoXUixO5kAD8g8Z0mva5iA RvPYMLwscNs0gISXbHE51N/ngp1i7wBOrz4dvJxkez7udBIYZGN/h/SJx7WRhYQKTI/+X vVQC3YPphJ8olNavslc2ujgYSl0H12bF1mw= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The functions of acquiring ownership of RTC will be used for other RTC library, so move them to RtcHelperLib. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ming Huang --- Platform/Hisilicon/D06/D06.dsc = | 1 + Silicon/Hisilicon/Include/Library/RtcHelperLib.h = | 28 ++++++ Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTimeClockLib.c = | 80 +---------------- Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTimeClockLib.in= f | 1 + Silicon/Hisilicon/Library/RtcHelperLib/RtcHelperLib.c = | 94 ++++++++++++++++++++ Silicon/Hisilicon/Library/RtcHelperLib/RtcHelperLib.inf = | 32 +++++++ 6 files changed, 157 insertions(+), 79 deletions(-) diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc index 000a4ee..eb20224 100644 --- a/Platform/Hisilicon/D06/D06.dsc +++ b/Platform/Hisilicon/D06/D06.dsc @@ -54,6 +54,7 @@ CpldIoLib|Silicon/Hisilicon/Library/CpldIoLib/CpldIoLib.inf =20 TimeBaseLib|EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.inf + RtcHelperLib|Silicon/Hisilicon/Library/RtcHelperLib/RtcHelperLib.inf RealTimeClockLib|Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83= RealTimeClockLib.inf OemMiscLib|Platform/Hisilicon/D06/Library/OemMiscLibD06/OemMiscLibD06.inf OemAddressMapLib|Platform/Hisilicon/D06/Library/OemAddressMapD06/OemAddr= essMapD06.inf diff --git a/Silicon/Hisilicon/Include/Library/RtcHelperLib.h b/Silicon/His= ilicon/Include/Library/RtcHelperLib.h new file mode 100644 index 0000000..d6c1d39 --- /dev/null +++ b/Silicon/Hisilicon/Include/Library/RtcHelperLib.h @@ -0,0 +1,28 @@ +/** @file + + Copyright (c) 2018, Hisilicon Limited. All rights reserved.
+ Copyright (c) 2018, Linaro Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __RTC_HELPER_LIB_H__ +#define __RTC_HELPER_LIB_H__ + +// The delay is need for cpld and I2C. This is a empirical value. MemoryFe= nce is no need. +#define RTC_DELAY_30_MS 30000 +// The delay is need for cpld and I2C. This is a empirical value. MemoryFe= nce is no need. +#define RTC_DELAY_2_MACROSECOND 2 + +EFI_STATUS +SwitchRtcI2cChannelAndLock ( + VOID + ); + +VOID +ReleaseOwnershipOfRtc ( + VOID + ); + +#endif diff --git a/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTim= eClockLib.c b/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTi= meClockLib.c index 5131ce7..e3fecac 100644 --- a/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTimeClockL= ib.c +++ b/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTimeClockL= ib.c @@ -11,10 +11,9 @@ #include #include #include -#include -#include #include #include +#include #include #include #include @@ -26,70 +25,6 @@ extern I2C_DEVICE gRtcDevice; =20 STATIC EFI_LOCK mRtcLock; =20 -EFI_STATUS -SwitchRtcI2cChannelAndLock ( - VOID - ) -{ - UINT8 Temp; - UINT8 Count; - - for (Count =3D 0; Count < 100; Count++) { - // To get the other side's state is idle first - Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); - if ((Temp & BIT3) !=3D 0) { - (VOID) MicroSecondDelay (RTC_DELAY_30_MS); - // Try 100 times, if BMC has not released the bus, return preemption= failed - if (Count =3D=3D 99) { - if (!EfiAtRuntime ()) { - DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Clear cpu_i2c_rtc_state 100 tim= es fail!\n", - __FUNCTION__, __LINE__)); - } - return EFI_DEVICE_ERROR; - } - continue; - } - - // if BMC free the bus, can be set 1 preemption - Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); - Temp =3D Temp | CPU_GET_I2C_CONTROL; - // CPU occupied RTC I2C State - WriteCpldReg (CPLD_I2C_SWITCH_FLAG, Temp); - (VOID) MicroSecondDelay (RTC_DELAY_2_MACROSECOND); - Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); - // Is preempt success - if(CPU_GET_I2C_CONTROL =3D=3D (Temp & CPU_GET_I2C_CONTROL)) { - break; - } - if (Count =3D=3D 99) { - if (!EfiAtRuntime ()) { - DEBUG((DEBUG_ERROR, "[%a]:[%dL] Clear cpu_i2c_rtc_state fail !!! = \n", - __FUNCTION__, __LINE__)); - } - return EFI_DEVICE_ERROR; - } - (VOID) MicroSecondDelay (RTC_DELAY_30_MS); - } - - //Polling BMC RTC I2C status - for (Count =3D 0; Count < 100; Count++) { - Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); - if ((Temp & BIT3) =3D=3D 0) { - return EFI_SUCCESS; - } - (VOID) MicroSecondDelay (RTC_DELAY_30_MS); - } - - //If the BMC occupies the RTC I2C Channel, write back the CPU side is id= le - // or the subsequent BMC will not preempt - Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); - Temp =3D Temp & (~CPU_GET_I2C_CONTROL); - WriteCpldReg (CPLD_I2C_SWITCH_FLAG, Temp); - - return EFI_NOT_READY; -} - - /** Read RTC content through its registers. =20 @@ -136,19 +71,6 @@ RtcWrite ( return Status; } =20 -VOID -ReleaseOwnershipOfRtc ( - VOID - ) -{ - UINT8 Temp; - - Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); - Temp =3D Temp & ~CPU_GET_I2C_CONTROL; - WriteCpldReg (CPLD_I2C_SWITCH_FLAG, Temp); -} - - EFI_STATUS InitializeM41T83 ( VOID diff --git a/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTim= eClockLib.inf b/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83Real= TimeClockLib.inf index 9344c6d..5970c0e 100644 --- a/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTimeClockL= ib.inf +++ b/Silicon/Hisilicon/Library/M41T83RealTimeClockLib/M41T83RealTimeClockL= ib.inf @@ -31,6 +31,7 @@ I2CLib IoLib PcdLib + RtcHelperLib TimeBaseLib TimerLib UefiLib diff --git a/Silicon/Hisilicon/Library/RtcHelperLib/RtcHelperLib.c b/Silico= n/Hisilicon/Library/RtcHelperLib/RtcHelperLib.c new file mode 100644 index 0000000..bc8e6c5 --- /dev/null +++ b/Silicon/Hisilicon/Library/RtcHelperLib/RtcHelperLib.c @@ -0,0 +1,94 @@ +/** @file + + Copyright (c) 2020, Hisilicon Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +EFI_STATUS +SwitchRtcI2cChannelAndLock ( + VOID + ) +{ + UINT8 Temp; + UINT8 Count; + + for (Count =3D 0; Count < 100; Count++) { + // To get the other side's state is idle first + Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); + if ((Temp & BIT3) !=3D 0) { + (VOID) MicroSecondDelay (RTC_DELAY_30_MS); + // Try 100 times, if BMC has not released the bus, return preemption= failed + if (Count =3D=3D 99) { + if (!EfiAtRuntime ()) { + DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Clear cpu_i2c_rtc_state 100 tim= es fail!\n", + __FUNCTION__, __LINE__)); + } + return EFI_DEVICE_ERROR; + } + continue; + } + + // if BMC free the bus, can be set 1 preemption + Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); + Temp =3D Temp | CPU_GET_I2C_CONTROL; + // CPU occupied RTC I2C State + WriteCpldReg (CPLD_I2C_SWITCH_FLAG, Temp); + (VOID)MicroSecondDelay (RTC_DELAY_2_MACROSECOND); + Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); + // Is preempt success + if (CPU_GET_I2C_CONTROL =3D=3D (Temp & CPU_GET_I2C_CONTROL)) { + break; + } + if (Count =3D=3D 99) { + if (!EfiAtRuntime ()) { + DEBUG ((DEBUG_ERROR, "[%a]:[%dL] Clear cpu_i2c_rtc_state fail !!!= \n", + __FUNCTION__, __LINE__)); + } + return EFI_DEVICE_ERROR; + } + (VOID)MicroSecondDelay (RTC_DELAY_30_MS); + } + + //Polling BMC RTC I2C status + for (Count =3D 0; Count < 100; Count++) { + Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); + if ((Temp & BIT3) =3D=3D 0) { + return EFI_SUCCESS; + } + (VOID)MicroSecondDelay (RTC_DELAY_30_MS); + } + + //If the BMC occupies the RTC I2C Channel, write back the CPU side is id= le + // or the subsequent BMC will not preempt + Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); + Temp =3D Temp & (~CPU_GET_I2C_CONTROL); + WriteCpldReg (CPLD_I2C_SWITCH_FLAG, Temp); + + return EFI_NOT_READY; +} + +VOID +ReleaseOwnershipOfRtc ( + VOID + ) +{ + UINT8 Temp; + + Temp =3D ReadCpldReg (CPLD_I2C_SWITCH_FLAG); + Temp =3D Temp & ~CPU_GET_I2C_CONTROL; + WriteCpldReg (CPLD_I2C_SWITCH_FLAG, Temp); + return ; +} diff --git a/Silicon/Hisilicon/Library/RtcHelperLib/RtcHelperLib.inf b/Sili= con/Hisilicon/Library/RtcHelperLib/RtcHelperLib.inf new file mode 100644 index 0000000..1a36e64 --- /dev/null +++ b/Silicon/Hisilicon/Library/RtcHelperLib/RtcHelperLib.inf @@ -0,0 +1,32 @@ +#/** @file +# +# Copyright (c) 2020, Hisilicon Limited. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#**/ + +[Defines] + INF_VERSION =3D 0x0001001A + BASE_NAME =3D RtcHelperLib + FILE_GUID =3D 5cb1a98f-2408-4fef-b68f-d5d04ff6a91f + MODULE_TYPE =3D BASE + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D RtcHelperLib + +[Sources.common] + RtcHelperLib.c + +[Packages] + EmbeddedPkg/EmbeddedPkg.dec + MdePkg/MdePkg.dec + Platform/Hisilicon/D06/D06.dec + Silicon/Hisilicon/HisiPkg.dec + +[LibraryClasses] + CpldIoLib + DebugLib + IoLib + +[Depex] + TRUE --=20 2.8.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#59743): https://edk2.groups.io/g/devel/message/59743 Mute This Topic: https://groups.io/mt/74291612/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- From nobody Tue Apr 23 21:06:04 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) client-ip=66.175.222.12; envelope-from=bounce+27952+59741+1787277+3901457@groups.io; helo=web01.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+59741+1787277+3901457@groups.io ARC-Seal: i=1; a=rsa-sha256; t=1589810746; cv=none; d=zohomail.com; s=zohoarc; b=MoVx2y8e+MQz+/536ISKf15m3u6sotP39yIfAB6xnZyDsqQRWf8Tva2g2/qEHi6LkDryeVSculeD1wfO0u4nXHoptEQJJG4IbFvXP2SrbeLbz/G7+YvB4XWANY05z0Heg7HpiLL7SXUZA37RpNSuqaXr02xlv0K32k8rOYp43mo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1589810746; h=Content-Type:Cc:Date:From:In-Reply-To:List-Id:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=rUYW8zn/cltz19INMudpGw0JQC5bqTzHnGr8C4hR8Vo=; b=YBdDHHrz4jgnDH3WdSK6e+MRlt22tx9CyL1LhAwGzcSUgoL8O1UNeXFOjrdHCXnpW4STQiuB15A0wyzwuHMCQOtg7wQCNcuEoVu+Qx4AVNlJWcpPBAfrsDjssRkKPitrD//fVXC7sulZ5EJC22wOKzwADHtJCOgrHwmbDR21flY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.12 as permitted sender) smtp.mailfrom=bounce+27952+59741+1787277+3901457@groups.io Received: from web01.groups.io (web01.groups.io [66.175.222.12]) by mx.zohomail.com with SMTPS id 1589810746506988.0553793605474; Mon, 18 May 2020 07:05:46 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id c4GzYY1788612xUlYENMCbxq; Mon, 18 May 2020 07:05:46 -0700 X-Received: from huawei.com (huawei.com [45.249.212.32]) by mx.groups.io with SMTP id smtpd.web12.41859.1589809176567068494 for ; Mon, 18 May 2020 06:39:37 -0700 X-Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 5761CFAC3F4A69862AA4; Mon, 18 May 2020 21:39:32 +0800 (CST) X-Received: from HGH1000039998.huawei.com (10.184.68.188) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Mon, 18 May 2020 21:39:23 +0800 From: Ming Huang To: , , CC: , , , Subject: [edk2-devel] [RFC edk2-platforms v1 2/2] Silicon/Hisilicon: Add RX8900RealTimeClockLib Date: Mon, 18 May 2020 21:37:24 +0800 Message-ID: <1589809044-59210-3-git-send-email-huangming23@huawei.com> In-Reply-To: <1589809044-59210-1-git-send-email-huangming23@huawei.com> References: <1589809044-59210-1-git-send-email-huangming23@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.184.68.188] X-CFilter-Loop: Reflected Precedence: Bulk List-Unsubscribe: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,huangming23@huawei.com X-Gm-Message-State: SHr5DfExLSGMWd6IFhON4ZzOx1787277AA= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1589810746; bh=3j3CjnasIhqugMyn9Q0Xy68HzhhYkLfGN9qLvBGCziQ=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=A0vcS/8sNQT0xrKNX33HJGSDWRWGMen7KJKz1ZozmytXLG9jAvzmCguOAVfNiRAvb2Y fIdWNy9NtFbAl0+u3rNs08fRTgdfROZfMkgQQ5vj89sZBnK//c5Uh+2ebNwUE6JruE6vZ mAeulHJYFuBoPXRowLFYjmLwX7OsI0uTXHo= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" There are some boards base on D06, but use RX8900 RTC, so upstream the RX8900RealTimeClockLib. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ming Huang --- Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTimeClock.h = | 41 ++ Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTimeClockLib.c = | 468 ++++++++++++++++++++ Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTimeClockLib.in= f | 33 ++ 3 files changed, 542 insertions(+) diff --git a/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTim= eClock.h b/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTimeC= lock.h new file mode 100644 index 0000000..6bcef10 --- /dev/null +++ b/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTimeClock.h @@ -0,0 +1,41 @@ +/** @file + + Copyright (c) 2020, Hisilicon Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __RX8900_REAL_TIME_CLOCK_H__ +#define __RX8900_REAL_TIME_CLOCK_H__ + +#define RX8900_REGADDR_SECONDS 0x00 +#define RX8900_REGADDR_MIUTES 0x01 +#define RX8900_REGADDR_HOURS 0x02 +#define RX8900_REGADDR_DAY 0x03 +#define RX8900_REGADDR_DATE 0x04 +#define RX8900_REGADDR_MONTH 0x05 +#define RX8900_REGADDR_YEAR 0x06 +#define RX8900_REGADDR_RAM 0x07 +#define RX8900_REGADDR_ALARMMIN 0x08 +#define RX8900_REGADDR_ALARMHOUR 0x09 +#define RX8900_REGADDR_ALARMDAY 0x0A +#define RX8900_REGADDR_ALARMWEEK 0x0A +#define RX8900_REGADDR_TIMECOUNTER_0 0x0B +#define RX8900_REGADDR_TIMECOUNTER_1 0x0C +#define RX8900_REGADDR_EXTENSIONREG 0x0D +#define RX8900_REGADDR_FLAGREG 0x0E +#define RX8900_REGADDR_CONTRLREG 0xF +#define RX8900_REGADDR_BACKUP_FUN 0x18 + +#define RX8900_VDETOFF_SWOFF 0x0C +#define TEMPERATURE_COMPENSATION_2S 0x40 +#define OUTPUT_FREQUENCY_32768 0x0C +#define FLAG_REG_DEFAULT 0x00 +#define RX8900_RAM_REG_DEFAULT 0x5A + + +#define RTC_DELAY_1000_MACROSECOND 1000 +#define EFI_TIMEOFFSET_TIMEZONE 0x5A0 + +#endif diff --git a/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTim= eClockLib.c b/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTi= meClockLib.c new file mode 100644 index 0000000..bb124fd --- /dev/null +++ b/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTimeClockL= ib.c @@ -0,0 +1,468 @@ +/** @file + + Copyright (c) 2020, Hisilicon Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "RX8900RealTimeClock.h" + +extern I2C_DEVICE gRtcDevice; + +STATIC BOOLEAN mRX8900Initialized =3D FALSE; +STATIC CONST CHAR16 mTimeZoneVariableName[] =3D L"RX8900RtcTimeZone"; +STATIC CONST CHAR16 mDaylightVariableName[] =3D L"RX8900RtcDaylight"; + +EFI_STATUS +InitializeRX8900 ( + VOID + ) +{ + EFI_STATUS Status; + unsigned char writeTemp; + + Status =3D SwitchRtcI2cChannelAndLock (); + if (EFI_ERROR (Status)) { + goto EXIT; + } + + Status =3D I2CInit (gRtcDevice.Socket, gRtcDevice.Port, Normal); + if (EFI_ERROR (Status)) { + goto EXIT; + } + + writeTemp =3D RX8900_VDETOFF_SWOFF; + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_BACKUP_FUN, 1, &writeTe= mp); + if (EFI_ERROR (Status)) { + goto EXIT; + } + writeTemp =3D TEMPERATURE_COMPENSATION_2S; + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_CONTRLREG, 1, &writeTem= p); + if (EFI_ERROR (Status)) { + goto EXIT; + } + writeTemp =3D OUTPUT_FREQUENCY_32768; + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_EXTENSIONREG, 1, &write= Temp); + if (EFI_ERROR (Status)) { + goto EXIT; + } + + writeTemp =3D FLAG_REG_DEFAULT; + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_FLAGREG, 1, &writeTemp); + if (EFI_ERROR (Status)) { + goto EXIT; + } + writeTemp =3D RX8900_RAM_REG_DEFAULT; + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_RAM, 1, &writeTemp); + if (EFI_ERROR (Status)) { + goto EXIT; + } + + mRX8900Initialized =3D TRUE; + + EXIT: + + ReleaseOwnershipOfRtc (); + return Status; +} + +STATIC +INT16 +GetTimeZone ( + VOID + ) +{ + EFI_STATUS Status; + INT16 TimeZone; + UINTN Size; + + TimeZone =3D EFI_UNSPECIFIED_TIMEZONE; + Size =3D sizeof (TimeZone); + Status =3D EfiGetVariable ( + (CHAR16 *)mTimeZoneVariableName, + &gEfiCallerIdGuid, + NULL, + &Size, + (VOID *)&TimeZone + ); + + if (EFI_ERROR (Status)) { + TimeZone =3D EFI_UNSPECIFIED_TIMEZONE; + // The time zone variable does not exist in non-volatile storage, so c= reate it. + Status =3D EfiSetVariable ( + (CHAR16 *)mTimeZoneVariableName, + &gEfiCallerIdGuid, + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS= | EFI_VARIABLE_RUNTIME_ACCESS, + Size, + (VOID *)&TimeZone + ); + + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "Failed to save %s variable, Status =3D %r\n", + mTimeZoneVariableName, Status)); + } + } else { + // Check TimeZone bounds: -1440 to 1440 or 2047 + if ((TimeZone < -EFI_TIMEOFFSET_TIMEZONE) || (TimeZone > EFI_TIMEOFFSE= T_TIMEZONE)) { + TimeZone =3D EFI_UNSPECIFIED_TIMEZONE; + } + } + + return TimeZone; +} + +STATIC +UINT8 +GetDayLight ( + VOID + ) +{ + EFI_STATUS Status; + UINT8 DayLight; + UINTN Size; + + DayLight =3D 0; + // Get the current daylight information from non-volatile storage + Size =3D sizeof (DayLight); + Status =3D EfiGetVariable ( + (CHAR16 *)mDaylightVariableName, + &gEfiCallerIdGuid, + NULL, + &Size, + (VOID *)&DayLight + ); + + if (EFI_ERROR (Status)) { + DayLight =3D 0; + // The daylight variable does not exist in non-volatile storage, so cr= eate it. + Status =3D EfiSetVariable ( + (CHAR16 *)mDaylightVariableName, + &gEfiCallerIdGuid, + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS= | EFI_VARIABLE_RUNTIME_ACCESS, + Size, + (VOID *)&DayLight + ); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "Failed to save %s variable, Status =3D %r\n", + mDaylightVariableName, Status)); + } + } + + return DayLight; +} + +EFI_STATUS +EFIAPI +LibGetTime ( + OUT EFI_TIME *Time, + OUT EFI_TIME_CAPABILITIES *Capabilities + ) +{ + EFI_STATUS Status; + UINT8 Temp[7] =3D {0}; + UINT16 BaseYear =3D 2000; + UINTN EpochSeconds; + UINT8 TryCount =3D 0; + + // Ensure Time is a valid pointer + if (Time =3D=3D NULL) { + return EFI_INVALID_PARAMETER; + } + + // Initialize the hardware if not already done + if (!mRX8900Initialized) { + Status =3D InitializeRX8900 (); + if (EFI_ERROR (Status)) { + return EFI_NOT_READY; + } + } + + Status =3D SwitchRtcI2cChannelAndLock (); + if (EFI_ERROR (Status)) { + ReleaseOwnershipOfRtc (); + return Status; + } + + do { + Status =3D I2CRead (&gRtcDevice, RX8900_REGADDR_SECONDS, 7, Temp); + if (EFI_ERROR (Status)) { + Status =3D EFI_DEVICE_ERROR; + goto Err; + } + + Time->Second =3D BcdToDecimal8 (Temp[0]); + Time->Minute =3D BcdToDecimal8 (Temp[1]); + Time->Hour =3D BcdToDecimal8 (Temp[2]); + Time->Day =3D BcdToDecimal8 (Temp[4]); + Time->Month =3D BcdToDecimal8 (Temp[5]); + Time->Year =3D BaseYear + BcdToDecimal8 (Temp[6]); + Time->Nanosecond =3D 0; + + EpochSeconds =3D EfiTimeToEpoch (Time); + + Time->TimeZone =3D GetTimeZone (); + // Adjust for the correct time zone + if (Time->TimeZone !=3D EFI_UNSPECIFIED_TIMEZONE) { + EpochSeconds +=3D Time->TimeZone * SEC_PER_MIN; + } + + Time->Daylight =3D GetDayLight (); + // Adjust for the correct period + if ((Time->Daylight & EFI_TIME_IN_DAYLIGHT) =3D=3D EFI_TIME_IN_DAYLIGH= T) { + // Convert to adjusted time, i.e. spring forwards one hour + EpochSeconds +=3D SEC_PER_HOUR; + } + + // Convert from internal 32-bit time to UEFI time + EpochToEfiTime (EpochSeconds, Time); + if ((!IsTimeValid (Time)) || ((Time->Year - BaseYear) > 99) || (Time->= Year < 2000)) { + DEBUG ((DEBUG_INFO, "LibGetTime: %d-%d-%d %d-%d-%d EpochSeconds:%llx= is invalid time!\n", + Time->Second, Time->Minute, Time->Hour, Time->Day, Time->Month, + Time->Year, EpochSeconds)); + Status =3D EFI_DEVICE_ERROR; + } + +Err: + TryCount++; + } while ((TryCount < 3) && (EFI_ERROR (Status))); + + ReleaseOwnershipOfRtc (); + return Status; +} + +STATIC +EFI_STATUS +SetTimeToRX8900 ( + IN EFI_TIME *Time + ) +{ + EFI_STATUS Status; + UINT8 Temp; + + (VOID)MicroSecondDelay (RTC_DELAY_1000_MACROSECOND); + Temp =3D DecimalToBcd8 (Time->Second); + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_SECONDS, 1, &Temp); + if(EFI_ERROR (Status)) { + Status =3D EFI_DEVICE_ERROR; + return Status; + } + + Temp =3D DecimalToBcd8 (Time->Minute); + (VOID)MicroSecondDelay (RTC_DELAY_1000_MACROSECOND); + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_MIUTES, 1, &Temp); + if(EFI_ERROR (Status)) { + Status =3D EFI_DEVICE_ERROR; + return Status; + } + + Temp =3D DecimalToBcd8 (Time->Hour); + (VOID)MicroSecondDelay (RTC_DELAY_1000_MACROSECOND); + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_HOURS, 1, &Temp); + if(EFI_ERROR (Status)) { + Status =3D EFI_DEVICE_ERROR; + return Status; + } + + Temp =3D DecimalToBcd8 (Time->Day); + (VOID)MicroSecondDelay (RTC_DELAY_1000_MACROSECOND); + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_DATE, 1, &Temp); + if(EFI_ERROR (Status)) { + Status =3D EFI_DEVICE_ERROR; + return Status; + } + + Temp =3D DecimalToBcd8 (Time->Month); + (VOID)MicroSecondDelay (RTC_DELAY_1000_MACROSECOND); + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_MONTH, 1, &Temp); + if(EFI_ERROR (Status)) { + Status =3D EFI_DEVICE_ERROR; + return Status; + } + + Time->Year=3D Time->Year % 100; + Temp =3D Time->Year; + Temp =3D DecimalToBcd8 (Temp); + (VOID)MicroSecondDelay (RTC_DELAY_1000_MACROSECOND); + Status =3D I2CWrite (&gRtcDevice, RX8900_REGADDR_YEAR, 1, &Temp); + if(EFI_ERROR (Status)) { + Status =3D EFI_DEVICE_ERROR; + return Status; + } + + return Status; +} + +EFI_STATUS +EFIAPI +LibSetTime ( + IN EFI_TIME *Time + ) +{ + EFI_STATUS Status; + UINTN EpochSeconds; + + // Initialize the hardware if not already done + if (!mRX8900Initialized) { + Status =3D InitializeRX8900 (); + if (EFI_ERROR (Status)) { + goto EXIT; + } + } + + Status =3D SwitchRtcI2cChannelAndLock (); + if (EFI_ERROR (Status)) { + goto EXIT; + } + + if(!IsTimeValid(Time)){ + return EFI_INVALID_PARAMETER; + } + + EpochSeconds =3D EfiTimeToEpoch (Time); + + // Adjust for the correct time zone, i.e. convert to UTC time zone + if (Time->TimeZone !=3D EFI_UNSPECIFIED_TIMEZONE) { + EpochSeconds -=3D Time->TimeZone * SEC_PER_MIN; + } + + // Adjust for the correct period + if ((Time->Daylight & EFI_TIME_IN_DAYLIGHT) =3D=3D EFI_TIME_IN_DAYLIGHT)= { + // Convert to un-adjusted time, i.e. fall back one hour + EpochSeconds -=3D SEC_PER_HOUR; + } + + EpochToEfiTime (EpochSeconds, Time); + Status =3D SetTimeToRX8900 (Time); + if (EFI_ERROR (Status)) { + goto EXIT; + } + + // Save the current time zone information into non-volatile storage + Status =3D EfiSetVariable ( + (CHAR16 *)mTimeZoneVariableName, + &gEfiCallerIdGuid, + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS |= EFI_VARIABLE_RUNTIME_ACCESS, + sizeof (Time->TimeZone), + (VOID *)&(Time->TimeZone) + ); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "LibSetTime: Failed to save %s variable, Status = =3D %r\n", + mTimeZoneVariableName, Status)); + goto EXIT; + } + + // Save the current daylight information into non-volatile storage + Status =3D EfiSetVariable ( + (CHAR16 *)mDaylightVariableName, + &gEfiCallerIdGuid, + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS |= EFI_VARIABLE_RUNTIME_ACCESS, + sizeof(Time->Daylight), + (VOID *)&(Time->Daylight) + ); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "LibSetTime: Failed to save %s variable, Status = =3D %r\n", + mDaylightVariableName, Status)); + goto EXIT; + } + + EXIT: + ReleaseOwnershipOfRtc (); + return Status; +} + +EFI_STATUS +EFIAPI +LibGetWakeupTime ( + OUT BOOLEAN *Enabled, + OUT BOOLEAN *Pending, + OUT EFI_TIME *Time + ) +{ + // Not a required feature + return EFI_UNSUPPORTED; +} + +EFI_STATUS +EFIAPI +LibSetWakeupTime ( + IN BOOLEAN Enabled, + OUT EFI_TIME *Time + ) +{ + // Not a required feature + return EFI_UNSUPPORTED; +} + + +EFI_STATUS +EFIAPI +LibRtcInitialize ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + EFI_HANDLE Handle; + EFI_TIME EfiTime; + + // Setup the setters and getters + gRT->GetTime =3D LibGetTime; + gRT->SetTime =3D LibSetTime; + gRT->GetWakeupTime =3D LibGetWakeupTime; + gRT->SetWakeupTime =3D LibSetWakeupTime; + + Status =3D gRT->GetTime (&EfiTime, NULL); + if (EFI_ERROR (Status) || (EfiTime.Year < 2000) || (EfiTime.Year > 2099)= || + (!IsTimeValid (&EfiTime))) { + EfiTime.Year =3D 2000; + EfiTime.Month =3D 1; + EfiTime.Day =3D 1; + EfiTime.Hour =3D 0; + EfiTime.Minute =3D 0; + EfiTime.Second =3D 0; + EfiTime.Nanosecond =3D 0; + EfiTime.Daylight =3D 0; + EfiTime.TimeZone =3D EFI_UNSPECIFIED_TIMEZONE; + + Status =3D gRT->SetTime (&EfiTime); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "SetTime Status : %r\n", Status)); + } + } + + Handle =3D NULL; + Status =3D gBS->InstallMultipleProtocolInterfaces ( + &Handle, + &gEfiRealTimeClockArchProtocolGuid, + NULL, + NULL + ); + + return Status; +} + + +VOID +EFIAPI +LibRtcVirtualNotifyEvent ( + IN EFI_EVENT Event, + IN VOID *Context + ) +{ + return; +} diff --git a/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTim= eClockLib.inf b/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900Real= TimeClockLib.inf new file mode 100644 index 0000000..aa07a06 --- /dev/null +++ b/Silicon/Hisilicon/Library/RX8900RealTimeClockLib/RX8900RealTimeClockL= ib.inf @@ -0,0 +1,33 @@ +/** @file + + Copyright (c) 2020, Hisilicon Limited. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +[Defines] + INF_VERSION =3D 0x0001001A + BASE_NAME =3D RX8900RealTimeClockLib + FILE_GUID =3D 55BBD010-EA76-4836-8FEA-99CBAA6664F4 + MODULE_TYPE =3D BASE + VERSION_STRING =3D 1.0 + LIBRARY_CLASS =3D RealTimeClockLib + +[Sources.common] + RX8900RealTimeClockLib.c + +[Packages] + EmbeddedPkg/EmbeddedPkg.dec + MdePkg/MdePkg.dec + Silicon/Hisilicon/HisiPkg.dec + +[LibraryClasses] + DebugLib + I2CLib + IoLib + RtcHelperLib + TimeBaseLib + TimerLib + UefiLib + UefiRuntimeLib --=20 2.8.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#59741): https://edk2.groups.io/g/devel/message/59741 Mute This Topic: https://groups.io/mt/74291610/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-