Author: bdragon
Date: Wed Sep 23 00:32:50 2020
New Revision: 366041
URL: https://svnweb.freebsd.org/changeset/base/366041
Log:
[PowerPC64LE] powernv ILE setup code.
When running without a hypervisor, we need to set the ILE bit in the LPCR
ourselves.
For the boot processor, handle it in powernv_attach() like we do for other
LPCR bits.
No change for the APs, as they will use the lpcr global to set up their own
LPCR when they do their own cpudep_ap_early_bootstrap() and pick up this
automatically.
Sponsored by: Tag1 Consulting, Inc.
Modified:
head/sys/powerpc/include/spr.h
head/sys/powerpc/powernv/platform_powernv.c
Modified: head/sys/powerpc/include/spr.h
==============================================================================
--- head/sys/powerpc/include/spr.h Wed Sep 23 00:28:47 2020
(r366040)
+++ head/sys/powerpc/include/spr.h Wed Sep 23 00:32:50 2020
(r366041)
@@ -292,6 +292,7 @@
#define SPR_LPCR 0x13e /* .6. Logical Partitioning
Control */
#define LPCR_LPES 0x008 /* Bit 60 */
#define LPCR_HVICE 0x002 /* Hypervisor Virtualization
Interrupt (Arch 3.0) */
+#define LPCR_ILE (1ULL << 25) /* Interrupt
Little-Endian (ISA 2.07) */
#define LPCR_UPRT (1ULL << 22) /* Use Process Table
(ISA 3) */
#define LPCR_HR (1ULL << 20) /* Host Radix mode */
#define LPCR_PECE_DRBL (1ULL << 16) /* Directed Privileged
Doorbell */
Modified: head/sys/powerpc/powernv/platform_powernv.c
==============================================================================
--- head/sys/powerpc/powernv/platform_powernv.c Wed Sep 23 00:28:47 2020
(r366040)
+++ head/sys/powerpc/powernv/platform_powernv.c Wed Sep 23 00:32:50 2020
(r366041)
@@ -174,6 +174,10 @@ powernv_attach(platform_t plat)
if (cpu_features2 & PPC_FEATURE2_ARCH_3_00)
lpcr |= LPCR_HVICE;
+#if BYTE_ORDER == LITTLE_ENDIAN
+ lpcr |= LPCR_ILE;
+#endif
+
mtspr(SPR_LPCR, lpcr);
isync();
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