powerpc/powernv: Basic support for OPAL
Add definition of OPAL interfaces along with the wrappers to call
into OPAL runtime and the early device-tree parsing hook to locate
the OPAL runtime firmware.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index 3a6c586..14db29b 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -48,6 +48,8 @@
#define FW_FEATURE_CMO ASM_CONST(0x0000000002000000)
#define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000)
#define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000)
+#define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000)
+#define FW_FEATURE_OPALv2 ASM_CONST(0x0000000020000000)
#ifndef __ASSEMBLY__
@@ -65,6 +67,8 @@
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
+ FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2,
+ FW_FEATURE_POWERNV_ALWAYS = 0,
FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
@@ -78,6 +82,9 @@
#ifdef CONFIG_PPC_ISERIES
FW_FEATURE_ISERIES_POSSIBLE |
#endif
+#ifdef CONFIG_PPC_POWERNV
+ FW_FEATURE_POWERNV_POSSIBLE |
+#endif
#ifdef CONFIG_PPC_PS3
FW_FEATURE_PS3_POSSIBLE |
#endif
@@ -95,6 +102,9 @@
#ifdef CONFIG_PPC_ISERIES
FW_FEATURE_ISERIES_ALWAYS &
#endif
+#ifdef CONFIG_PPC_POWERNV
+ FW_FEATURE_POWERNV_ALWAYS &
+#endif
#ifdef CONFIG_PPC_PS3
FW_FEATURE_PS3_ALWAYS &
#endif
