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From: "Marcin Juszkiewicz" <marcin.juszkiewicz@linaro.org>
To: devel@edk2.groups.io
Cc: Leif Lindholm <quic_llindhol@quicinc.com>,
	Graeme Gregory <graeme@xora.org.uk>,
	Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Subject: [edk2-devel] [PATCH edk2-platforms 0/1] Platform/QemuSbsa: define NS EL2 virtual timer in GTDT
Date: Wed, 20 Sep 2023 10:25:08 +0200	[thread overview]
Message-ID: <20230920082509.383643-1-marcin.juszkiewicz@linaro.org> (raw)

Arm BSA (Base System Architecture) specification requires Armv8.1+ cpus
to have non-secure EL2 virtual timer. Which we lacked.

In previous week I wrote a small patch to QEMU which enabled it for SBSA
Reference Platform. Leif Lindholm refactored code around timers to make
it more readable.

Then he added missing timer into EDK2 ArmPkg and to "virt" platform.

This patch enables NS EL2 virtual timer on SBSA Reference Platform.


Marcin Juszkiewicz (1):
  Platform/QemuSbsa: define NS EL2 virtual timer in GTDT

 Platform/Qemu/SbsaQemu/SbsaQemu.dsc             | 2 ++
 Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf | 1 +
 Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc      | 4 ++--
 3 files changed, 5 insertions(+), 2 deletions(-)

-- 
2.41.0



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             reply	other threads:[~2023-09-20  8:25 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-20  8:25 Marcin Juszkiewicz [this message]
2023-09-20  8:25 ` [edk2-devel] [PATCH edk2-platforms 1/1] Platform/QemuSbsa: define NS EL2 virtual timer in GTDT Marcin Juszkiewicz
2023-09-20 10:04   ` Leif Lindholm
2023-09-20 11:49     ` Marcin Juszkiewicz

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