Only use four harts on U540 reference code. This
overwrites the bootable harts declared in Device Tree.
Cc: Sunil V L <suni...@ventanamicro.com>
Cc: Daniel Schaefer <daniel.schae...@hpe.com>
Signed-off-by: Abner Chang <abner.ch...@hpe.com>
---
.../FreedomU540HiFiveUnleashedBoard/U540.fdf.inc | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git
a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf.inc
b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf.inc
index f708f4d8be..1a525dc874 100644
--- a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf.inc
+++ b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf.inc
@@ -92,9 +92,16 @@ SET
gUefiRiscVPkgTokenSpaceGuid.PcdRiscVMachineTimerFrequencyInHerz = 1000000
SET gSiFiveU5SeriesPlatformsPkgTokenSpaceGuid.PcdU5PlatformSystemClock =
1000000000 # 1GHz system clock
SET gUefiRiscVPlatformPkgTokenSpaceGuid.PcdHartCount = 5
# Total cores on U540 platform
SET gUefiRiscVPlatformPkgTokenSpaceGuid.PcdBootHartId = 1
# Boot hart ID
-SET gUefiRiscVPlatformPkgTokenSpaceGuid.PcdBootableHartNumber = 4
# The bootable hart core number.
-
# Which is incorporate with OpenSBI
-
# platform hart_index2id value.
+
+#
+# The bootable hart number the platform would like to use during boot.
+#
+SET gUefiRiscVPlatformPkgTokenSpaceGuid.PcdBootableHartNumber = 4
+#
+# Only use hart ID 1, 2, 3, 4
+#
+SET gUefiRiscVPlatformPkgTokenSpaceGuid.PcdBootableHartIndexToId =
{0x1,0x2,0x3,0x4}
+
# during boot
SET gSiFiveU5SeriesPlatformsPkgTokenSpaceGuid.PcdNumberofU5Cores = 4
# Total U5 cores enabled on U540 platform
SET gSiFiveU5SeriesPlatformsPkgTokenSpaceGuid.PcdE5MCSupported = True
# E51 MC exists.
SET gSiFiveU5SeriesPlatformsPkgTokenSpaceGuid.PcdU5UartBase =
0x10010000 # Serial port base address
--
2.31.1
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