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| author | Benjamin Herrenschmidt | 2016-07-08 08:37:05 +0200 |
|---|---|---|
| committer | Michael Ellerman | 2016-07-15 12:18:43 +0200 |
| commit | 9fedd3f8804af87be608310aac707a64f831b344 (patch) | |
| tree | 81611604b81aba3554d2d0bad97dfa46f5f09b91 /arch/powerpc/platforms | |
| parent | powerpc/powernv: Use deepest stop state when cpu is offlined (diff) | |
| download | kernel-qcow2-linux-9fedd3f8804af87be608310aac707a64f831b344.tar.gz kernel-qcow2-linux-9fedd3f8804af87be608310aac707a64f831b344.tar.xz kernel-qcow2-linux-9fedd3f8804af87be608310aac707a64f831b344.zip | |
powerpc/powernv: Add XICS emulation APIs
OPAL provides an emulated XICS interrupt controller to
use as a fallback on newer processors that don't have a
XICS. It's meant as a way to provide backward compatibility
with future processors. Add the corresponding interfaces.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-wrappers.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 7979d6d43bff..c7764f9f661d 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -307,3 +307,7 @@ OPAL_CALL(opal_get_device_tree, OPAL_GET_DEVICE_TREE); OPAL_CALL(opal_pci_get_presence_state, OPAL_PCI_GET_PRESENCE_STATE); OPAL_CALL(opal_pci_get_power_state, OPAL_PCI_GET_POWER_STATE); OPAL_CALL(opal_pci_set_power_state, OPAL_PCI_SET_POWER_STATE); +OPAL_CALL(opal_int_get_xirr, OPAL_INT_GET_XIRR); +OPAL_CALL(opal_int_set_cppr, OPAL_INT_SET_CPPR); +OPAL_CALL(opal_int_eoi, OPAL_INT_EOI); +OPAL_CALL(opal_int_set_mfrr, OPAL_INT_SET_MFRR); |