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Fri, 2 Oct 2020 21:14:18 +0000 From: "Sami Mujawar" To: CC: Sami Mujawar , , , , , , , , Subject: [PATCH v5 08/15] ArmVirtPkg: GUID Hob for 16550 UART base address Date: Fri, 2 Oct 2020 22:14:02 +0100 Message-ID: <20201002211409.43888-9-sami.mujawar@arm.com> X-Mailer: git-send-email 2.11.0.windows.3 In-Reply-To: <20201002211409.43888-1-sami.mujawar@arm.com> References: <20201002211409.43888-1-sami.mujawar@arm.com> MIME-Version: 1.0 X-EOPAttributedMessage: 1 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c6e98816-fb82-4298-746b-08d86718263d X-MS-TrafficTypeDiagnostic: VI1PR08MB4318:|DB8PR08MB4076: X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Oob-TLC-OOBClassifiers: OLM:4941;OLM:4941; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: IQCBxCypOs9BsLTAYHyGrocNpbtm1Pp4OKyYUMYdycEXJ+uQUvcxJN3sNcO//T0mJOZhtAdtWuSP2a3htYHyNlg62BD3wGney9gEdnvrw4hh6psu3nEMAkO+Q40crfsHI7njsD+gNB/N1PlTpvVGUrIAnCHWEDhcboU7n0NT+1oFcDXyHlXcvK/4EerfxOuSAmfwYc/aXYzceZVzCYzpOZA6TY7ATLqazhp0Vl9rRARbdiEv82PV9Q8onoa9QE9pyuLxZ4Ld/TbS0UPn5e3H+MxFJZs40Xt2pHiGtwObsTVTAcAZUqdj0vBnoinXwHNIlf/RFknEL/AUabqO1UyoRh9UR9Hh2kYpPOgQlFnwu3oD99lXeLZGLhhOtydltMyPi3FnFAzQhUIJF3oNAVvUYUp8sveuuhzrc3G/jKy0biWmok85zk7Lnh0o/ih8eJmLZBr804bcf0MErJuhJuf3A0rbQZWVbnggmI1wI3TRGbM= X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(39860400002)(136003)(346002)(376002)(396003)(46966005)(82740400003)(8936002)(36756003)(47076004)(336012)(82310400003)(19627235002)(81166007)(356005)(83380400001)(70586007)(83080400001)(6666004)(1076003)(70206006)(186003)(26005)(426003)(4326008)(86362001)(44832011)(5660300002)(7696005)(6916009)(2616005)(54906003)(8676002)(316002)(966005)(478600001)(2906002);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Oct 2020 21:14:29.0219 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c6e98816-fb82-4298-746b-08d86718263d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR03FT006.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR08MB4076 Content-Type: text/plain Introduce a new GUID Hob gEarly16550UartBaseAddressGuid to cache the base address of the 16550 UART, for when PCD access is not available. Signed-off-by: Sami Mujawar Reviewed-by: Ard Biesheuvel --- Notes: v5: - No code changes, resending patch with v5 series. [Sami] Ref: https://edk2.groups.io/g/devel/message/62149 v4: - No code change, resending patch with v4 series. [Sami] Ref: https://edk2.groups.io/g/devel/message/61720 ArmVirtPkg/ArmVirtPkg.dec | 2 ++ ArmVirtPkg/Include/Guid/Early16550UartBaseAddress.h | 22 ++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/ArmVirtPkg/ArmVirtPkg.dec b/ArmVirtPkg/ArmVirtPkg.dec index 08ddd68a863eb82778fa7a92b20ac1bff271f5e5..bf82f7f1f3f2a0ce545d87fa93350f56de78328b 100644 --- a/ArmVirtPkg/ArmVirtPkg.dec +++ b/ArmVirtPkg/ArmVirtPkg.dec @@ -1,6 +1,7 @@ #/** @file # # Copyright (c) 2014, Linaro Limited. All rights reserved. +# Copyright (c) 2020, ARM Limited. All rights reserved. # # SPDX-License-Identifier: BSD-2-Clause-Patent # @@ -30,6 +31,7 @@ [LibraryClasses] [Guids.common] gArmVirtTokenSpaceGuid = { 0x0B6F5CA7, 0x4F53, 0x445A, { 0xB7, 0x6E, 0x2E, 0x36, 0x5B, 0x80, 0x63, 0x66 } } gEarlyPL011BaseAddressGuid = { 0xB199DEA9, 0xFD5C, 0x4A84, { 0x80, 0x82, 0x2F, 0x41, 0x70, 0x78, 0x03, 0x05 } } + gEarly16550UartBaseAddressGuid = { 0xea67ca3e, 0x1f54, 0x436b, { 0x97, 0x88, 0xd4, 0xeb, 0x29, 0xc3, 0x42, 0x67 } } gArmVirtVariableGuid = { 0x50bea1e5, 0xa2c5, 0x46e9, { 0x9b, 0x3a, 0x59, 0x59, 0x65, 0x16, 0xb0, 0x0a } } diff --git a/ArmVirtPkg/Include/Guid/Early16550UartBaseAddress.h b/ArmVirtPkg/Include/Guid/Early16550UartBaseAddress.h new file mode 100644 index 0000000000000000000000000000000000000000..6b76f37a27dac03d6749f31a03e8026023231056 --- /dev/null +++ b/ArmVirtPkg/Include/Guid/Early16550UartBaseAddress.h @@ -0,0 +1,22 @@ +/** @file + GUID for the HOB that caches the base address of the 16550 serial port, for + when PCD access is not available. + + Copyright (c) 2020, ARM Limited. All rights reserved. + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef EARLY_16550_UART_BASE_ADDRESS_H__ +#define EARLY_16550_UART_BASE_ADDRESS_H__ + +#define EARLY_16550_UART_BASE_ADDRESS_GUID { \ + 0xea67ca3e, 0x1f54, 0x436b, { \ + 0x97, 0x88, 0xd4, 0xeb, 0x29, 0xc3, 0x42, 0x67 \ + } \ + } + +extern EFI_GUID gEarly16550UartBaseAddressGuid; + +#endif // EARLY_16550_UART_BASE_ADDRESS_H__ -- 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'