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From: "Marcin Juszkiewicz" <marcin.juszkiewicz@linaro.org>
To: devel@edk2.groups.io
Cc: Leif Lindholm <quic_llindhol@quicinc.com>,
	 Ard Biesheuvel <ardb+tianocore@kernel.org>,
	 Graeme Gregory <graeme@xora.org.uk>,
	 Xiong Yining <xiongyining1480@phytium.com.cn>,
	 Chen Baozi <chenbaozi@phytium.com.cn>,
	 Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Subject: [edk2-devel] [PATCH edk2-platforms v6 2/7] Platform/SbsaQemu: read amount of cpus during init
Date: Wed, 06 Mar 2024 03:41:58 -0800	[thread overview]
Message-ID: <20240306-no-dt-for-cpu-v6-2-acd8727a1b59@linaro.org> (raw)
In-Reply-To: <20240306-no-dt-for-cpu-v6-0-acd8727a1b59@linaro.org>

We read it once and store in Pcd for future use.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
---
 .../SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.inf | 4 +++-
 .../SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c   | 9 +++++----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.inf b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.inf
index 19534b7a274a..9752694a432b 100644
--- a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.inf
+++ b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.inf
@@ -1,7 +1,7 @@
 ## @file
 #  This driver effectuates SbsaQemu platform configuration settings
 #
-#  Copyright (c) 2019, Linaro Ltd. All rights reserved.
+#  Copyright (c) Linaro Ltd. All rights reserved.
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -32,6 +32,7 @@ [LibraryClasses]
   PcdLib
   DebugLib
   NonDiscoverableDeviceRegistrationLib
+  SbsaQemuHardwareInfoLib
   UefiDriverEntryPoint
 
 [Pcd]
@@ -46,6 +47,7 @@ [Pcd]
   gArmTokenSpaceGuid.PcdGicDistributorBase
   gArmTokenSpaceGuid.PcdGicRedistributorsBase
   gArmVirtSbsaQemuPlatformTokenSpaceGuid.PcdGicItsBase
+  gArmVirtSbsaQemuPlatformTokenSpaceGuid.PcdCoreCount
 
 
 [Depex]
diff --git a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c
index 4ebbe7c93a19..14e1ec7eab29 100644
--- a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c
+++ b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c
@@ -1,7 +1,7 @@
 /** @file
-*  FDT client protocol driver for qemu,mach-virt-ahci DT node
+*  SbsaQemu Platform Initialization
 *
-*  Copyright (c) 2019, Linaro Ltd. All rights reserved.
+*  Copyright (c) Linaro Ltd. All rights reserved.
 *
 *  SPDX-License-Identifier: BSD-2-Clause-Patent
 *
@@ -12,13 +12,12 @@
 #include <Library/DebugLib.h>
 #include <Library/NonDiscoverableDeviceRegistrationLib.h>
 #include <Library/PcdLib.h>
+#include <Library/SbsaQemuHardwareInfoLib.h>
 #include <Library/UefiBootServicesTableLib.h>
 #include <Library/UefiDriverEntryPoint.h>
 #include <IndustryStandard/SbsaQemuSmc.h>
 #include <IndustryStandard/SbsaQemuPlatformVersion.h>
 
-#include <Protocol/FdtClient.h>
-
 EFI_STATUS
 EFIAPI
 InitializeSbsaQemuPlatformDxe (
@@ -123,5 +122,7 @@ InitializeSbsaQemuPlatformDxe (
     }
   }
 
+  SbsaQemuGetCpuCount ();
+
   return EFI_SUCCESS;
 }

-- 
2.44.0



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  parent reply	other threads:[~2024-03-06 11:42 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-06 11:41 [edk2-devel] [PATCH edk2-platforms v6 0/7] get rid of DeviceTree from SbsaQemu Marcin Juszkiewicz
2024-03-06 11:41 ` [edk2-devel] [PATCH edk2-platforms v6 1/7] Platform/SbsaQemu: add SbsaQemuHardwareInfoLib Marcin Juszkiewicz
2024-03-14 15:09   ` Ard Biesheuvel
2024-03-14 15:14     ` Ard Biesheuvel
2024-03-15 11:34       ` Marcin Juszkiewicz
2024-03-06 11:41 ` Marcin Juszkiewicz [this message]
2024-03-14 15:13   ` [edk2-devel] [PATCH edk2-platforms v6 2/7] Platform/SbsaQemu: read amount of cpus during init Ard Biesheuvel
2024-03-15 11:49     ` Marcin Juszkiewicz
2024-03-19 10:25       ` Marcin Juszkiewicz
2024-03-19 11:02         ` Ard Biesheuvel
2024-03-19 11:27           ` Marcin Juszkiewicz
2024-03-06 11:42 ` [edk2-devel] [PATCH edk2-platforms v6 3/7] Platform/SbsaQemu: use PcdCoreCount directly Marcin Juszkiewicz
2024-03-14 15:15   ` Ard Biesheuvel
2024-03-06 11:42 ` [edk2-devel] [PATCH edk2-platforms v6 4/7] Platform/SbsaQemu: move FdtHandlerLib to SbsaQemuHardwareInfoLib Marcin Juszkiewicz
2024-03-14 15:16   ` Ard Biesheuvel
2024-03-06 11:42 ` [edk2-devel] [PATCH edk2-platforms v6 5/7] Platform/SbsaQemu: hang if there is no cpu information Marcin Juszkiewicz
2024-03-06 11:42 ` [edk2-devel] [PATCH edk2-platforms v6 6/7] Platform/SbsaQemu: get the information of memory via SMC calls Marcin Juszkiewicz
2024-03-14 15:18   ` Ard Biesheuvel
2024-03-06 11:42 ` [edk2-devel] [PATCH edk2-platforms v6 7/7] Platform/SbsaQemu: add DeviceTree fallbacks to parse memory information Marcin Juszkiewicz

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