From nobody Tue Feb 10 20:48:02 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+75558+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+75558+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com ARC-Seal: i=1; a=rsa-sha256; t=1621940300; cv=none; d=zohomail.com; s=zohoarc; b=IXi/ufjfGNRtkVn2fp6ewtrndLwqS/Ydp+zhe1ABi6uf/ad09XMKw6sH8zo125q69DD2k8j2YoTccwETjb5UkX0EAlvycSbuZINElyyB7J7oY7YWtGspGxZ0ZOWoRjn9wKM0DVNkD659JI7pXVX25qwwspYPriqG8ItxPrXGSIs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621940300; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=Q9Kuv5vIglw+ZHXBm5RbKwEvgsgB7UNPa+JaCbBjsV0=; b=KjB+3kDlNExA/1x1neMsxXD9mWhTtuqWlvVOezd9mGBytvuf1QkHeACYyJCvh/ezkg9k0N3oQE8eSTsNPjNkRQn87aXJnXdps2Bb/gaWjBCCKHYupmN6cwmBkKVjrRlrPKtPUa148HkQPcBML61IeSttE9U883oL/MB1wyxE4Ks= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+75558+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) header.from= Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1621940300011408.46256963947906; Tue, 25 May 2021 03:58:20 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id aiLMYY1788612xzY4jexBeH9; Tue, 25 May 2021 03:58:19 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web12.7991.1621940294110686022 for ; Tue, 25 May 2021 03:58:14 -0700 X-Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B3B3FD6E; Tue, 25 May 2021 03:58:13 -0700 (PDT) X-Received: from usa.arm.com (a074742.blr.arm.com [10.162.16.32]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 895793F719; Tue, 25 May 2021 03:58:12 -0700 (PDT) From: "Pranav Madhu" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Sami Mujawar Subject: [edk2-devel] [edk2-platforms][PATCH V2 4/6] Platform/Sgi: ACPI CPPC support for RD-N2-Cfg1 Date: Tue, 25 May 2021 16:27:59 +0530 Message-Id: <20210525105801.13793-5-pranav.madhu@arm.com> In-Reply-To: <20210525105801.13793-1-pranav.madhu@arm.com> References: <20210525105801.13793-1-pranav.madhu@arm.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: 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,pranav.madhu@arm.com X-Gm-Message-State: laVfipJOUTtFdCFpqEdT0lCQx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1621940299; bh=PcK1r0XqSvqNdN9W2GlEplhN03hC8Fa4y2Ck8qkRn0w=; h=Cc:Date:From:Reply-To:Subject:To; b=Pg8Yvif2qDIWKYnyDjA6P4UfIYx8lTuvdwXDyd4NlBIjb+I+y599nx8TsjpzblDcp7s EDXv0z+IlCCIXfZNntOSpNwHHsk262Unb8JSfu//9p5JjlZxJKR1Mcb3Sn9azaK6xMUBL nELNGr5o1PD4l9LNpVt/KOMAEMsfz/xT3hM= X-ZohoMail-DKIM: pass (identity @groups.io) Content-Type: text/plain; charset="utf-8" Enable ACPI CPPC mechanism for RD-N2-Cfg1 as defined by the ACPI specification. The implementation uses AMU registers accessible as Fixed-feature Hardware (FFixedHW) for monitoring the performance. Non-secure SCMI fastchannels are used to communicate with SCP to set the desired performance. RD-N2-Cfg1 platform does not support CPPC revision 1 and below. So update the _OSC method to let OSPM know about this fact. Signed-off-by: Pranav Madhu Reviewed-by: Sami Mujawar --- Platform/ARM/SgiPkg/AcpiTables/RdN2Cfg1/Dsdt.asl | 78 ++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/Platform/ARM/SgiPkg/AcpiTables/RdN2Cfg1/Dsdt.asl b/Platform/AR= M/SgiPkg/AcpiTables/RdN2Cfg1/Dsdt.asl index 55f51cc26aff..411eff84334a 100644 --- a/Platform/ARM/SgiPkg/AcpiTables/RdN2Cfg1/Dsdt.asl +++ b/Platform/ARM/SgiPkg/AcpiTables/RdN2Cfg1/Dsdt.asl @@ -35,6 +35,12 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD", "= ARMSGI", And (CAP0, Not (OSC_CAP_OS_INITIATED_LPI), CAP0) Or (STS0, OSC_STS_CAPABILITY_MASKED, STS0) } + + If (And (CAP0, OSC_CAP_CPPC_SUPPORT)) { + /* CPPC revision 1 and below not supported */ + And (CAP0, Not (OSC_CAP_CPPC_SUPPORT), CAP0) + Or (STS0, OSC_STS_CAPABILITY_MASKED, STS0) + } } Else { And (STS0, Not (OSC_STS_MASK), STS0) Or (STS0, Or (OSC_STS_FAILURE, OSC_STS_UNRECOGNIZED_REV), STS0) @@ -133,6 +139,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 0) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x06000500, 0x06000504, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (0) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } @@ -151,6 +166,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 1) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x06000518, 0x0600051C, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (1) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } @@ -169,6 +193,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 2) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x06000530, 0x06000534, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (2) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } @@ -187,6 +220,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 3) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x06000548, 0x0600054C, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (3) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } @@ -205,6 +247,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 4) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x06000560, 0x06000564, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (4) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } @@ -223,6 +274,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 5) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x06000578, 0x0600057C, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (5) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } @@ -241,6 +301,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 6) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x06000590, 0x06000594, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (6) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } @@ -259,6 +328,15 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD",= "ARMSGI", Name (_UID, 7) Name (_STA, 0xF) =20 + Name (_CPC, Package() + CPPC_PACKAGE_INIT (0x060005A8, 0x060005AC, 20, 160, 160, 115, 11= 5, 5) + ) + + Name (_PSD, Package () { + Package () + PSD_INIT (7) + }) + Method (_LPI, 0, NotSerialized) { Return (\_SB.PLPI) } --=20 2.17.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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