Re: [edk2-devel] [PATCH v2 01/11] PcAtChipsetPkg: Add MMIO Support to RTC driver

2020-05-26 Thread Guomin Jiang
iainc.com; Ni, Ray > ; alexandru.eli...@arm.com; matteo.carl...@arm.com; > laura.more...@arm.com; n...@arm.com > Subject: Re: [edk2-devel] [PATCH v2 01/11] PcAtChipsetPkg: Add MMIO > Support to RTC driver > > On 14/05/2020 09:40, Sami Mujawar wrote: > > Hi Sami, > >

Re: [edk2-devel] [PATCH v2 01/11] PcAtChipsetPkg: Add MMIO Support to RTC driver

2020-05-15 Thread André Przywara
On 14/05/2020 09:40, Sami Mujawar wrote: Hi Sami, many thanks for your work on that! > Some virtual machine managers like kvmtool emulate the MC146818 > RTC controller in the MMIO space so that architectures that do > not support I/O Mapped I/O can use the RTC. This patch adds MMIO > support to

Re: [edk2-devel] [PATCH v2 01/11] PcAtChipsetPkg: Add MMIO Support to RTC driver

2020-05-14 Thread Ard Biesheuvel
On 5/14/20 10:40 AM, Sami Mujawar wrote: Some virtual machine managers like kvmtool emulate the MC146818 RTC controller in the MMIO space so that architectures that do not support I/O Mapped I/O can use the RTC. This patch adds MMIO support to the RTC controller driver. The PCD PcdRtcUseMmio has

[edk2-devel] [PATCH v2 01/11] PcAtChipsetPkg: Add MMIO Support to RTC driver

2020-05-14 Thread Sami Mujawar
Some virtual machine managers like kvmtool emulate the MC146818 RTC controller in the MMIO space so that architectures that do not support I/O Mapped I/O can use the RTC. This patch adds MMIO support to the RTC controller driver. The PCD PcdRtcUseMmio has been added to select I/O or MMIO support.