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authorAlexey Kardashevskiy <aik@ozlabs.ru>2016-04-29 18:55:17 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-11 21:54:28 +1000
commitbef9253f551189febf0052a06dc079eb34137a58 (patch)
treed55ccc3eb08103dfe3eea14e91d17c3b3c0167a3 /arch/powerpc
parenta7cf13caad8bf368a28f31dbb4807d61bc9ace18 (diff)
downloadlinux-bef9253f551189febf0052a06dc079eb34137a58.tar.bz2
powerpc/powernv: Define TCE Kill flags
This replaces magic constants for TCE Kill IODA2 register with macros. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index acce430559d3..d7fbbf185108 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1840,10 +1840,13 @@ static struct iommu_table_ops pnv_ioda1_iommu_ops = {
.get = pnv_tce_get,
};
+#define TCE_KILL_INVAL_PE PPC_BIT(1)
+#define TCE_KILL_INVAL_TCE PPC_BIT(2)
+
static inline void pnv_pci_ioda2_tce_invalidate_pe(struct pnv_ioda_pe *pe)
{
/* 01xb - invalidate TCEs that match the specified PE# */
- unsigned long val = (0x4ull << 60) | (pe->pe_number & 0xFF);
+ unsigned long val = TCE_KILL_INVAL_PE | (pe->pe_number & 0xFF);
struct pnv_phb *phb = pe->phb;
struct pnv_ioda_pe *npe;
int i;
@@ -1871,7 +1874,7 @@ static void pnv_pci_ioda2_do_tce_invalidate(unsigned pe_number, bool rm,
unsigned long start, end, inc;
/* We'll invalidate DMA address in PE scope */
- start = 0x2ull << 60;
+ start = TCE_KILL_INVAL_TCE;
start |= (pe_number & 0xFF);
end = start;