[v2] Refactor and add RISC-V support in edk2 repo

[edk2-devel] [RFC PATCH V2 05/19] UefiCpuPkg.dec: Add PCD variable for RISC-V

Posted by Sunil V L 3 years, 5 months ago

RISC-V platforms need PCD variable to indicate the mtimer
frequency which will be consumed by CpuDxe and TimerLib.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
---
 UefiCpuPkg/UefiCpuPkg.dec | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index 718323d9042c..5e94bde5fea9 100644
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -350,6 +350,9 @@ [PcdsFixedAtBuild.X64, PcdsPatchableInModule.X64, PcdsDynamic.X64, PcdsDynamicEx
   # @Prompt Access to non-SMRAM memory is restricted to reserved, runtime and ACPI NVS type after SmmReadyToLock.
   gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmRestrictedMemoryAccess|TRUE|BOOLEAN|0x3213210F
 
+[PcdsFixedAtBuild.RISCV64]
+  gUefiCpuPkgTokenSpaceGuid.PcdRiscVTimerFrequencyInHz|0|UINT32|0x50000000
+
 [PcdsDynamic, PcdsDynamicEx]
   ## Contains the pointer to a CPU S3 data buffer of structure ACPI_CPU_DATA.
   # @Prompt The pointer to a CPU S3 data buffer.
-- 
2.25.1



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