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authorVarun Sethi <Varun.Sethi@freescale.com>2015-07-29 00:03:47 +0530
committerYork Sun <yorksun@freescale.com>2015-09-01 21:49:27 -0500
commit6923b069bd50b3ac519b16b6ae6aabbd2984c391 (patch)
tree43062730f19350b275303d55bb58ec90901a84cc /drivers
parent997992201541dcec67cf1ed568e442efd57cbac4 (diff)
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pci/layerscape: Setup mmu-masters property for the PCIe
Setup mmu-masters property for the PCIe controllers. This would be used by the Linux SMMU driver, while setting up stream ID table mappings for the PCIe devices. Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/pcie_layerscape.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
index 95cfe8c..2f24a6a 100644
--- a/drivers/pci/pcie_layerscape.c
+++ b/drivers/pci/pcie_layerscape.c
@@ -689,6 +689,7 @@ void fdt_fixup_smmu_pcie(void *blob)
{
int count;
u32 stream_ids[MAX_STREAM_IDS];
+ u32 ctlr_streamid = 0x300;
#ifdef CONFIG_PCIE1
/* PEX1 stream ID fixup */
@@ -696,6 +697,8 @@ void fdt_fixup_smmu_pcie(void *blob)
alloc_stream_ids(FSL_PEX1_STREAM_ID_START, count, stream_ids,
MAX_STREAM_IDS);
pcie_set_available_streamids(blob, "/pcie@3400000", stream_ids, count);
+ append_mmu_masters(blob, "/iommu@5000000", "/pcie@3400000",
+ &ctlr_streamid, 1);
#endif
#ifdef CONFIG_PCIE2
@@ -704,6 +707,8 @@ void fdt_fixup_smmu_pcie(void *blob)
alloc_stream_ids(FSL_PEX2_STREAM_ID_START, count, stream_ids,
MAX_STREAM_IDS);
pcie_set_available_streamids(blob, "/pcie@3500000", stream_ids, count);
+ append_mmu_masters(blob, "/iommu@5000000", "/pcie@3500000",
+ &ctlr_streamid, 1);
#endif
#ifdef CONFIG_PCIE3
@@ -712,6 +717,8 @@ void fdt_fixup_smmu_pcie(void *blob)
alloc_stream_ids(FSL_PEX3_STREAM_ID_START, count, stream_ids,
MAX_STREAM_IDS);
pcie_set_available_streamids(blob, "/pcie@3600000", stream_ids, count);
+ append_mmu_masters(blob, "/iommu@5000000", "/pcie@3600000",
+ &ctlr_streamid, 1);
#endif
#ifdef CONFIG_PCIE4
@@ -720,6 +727,8 @@ void fdt_fixup_smmu_pcie(void *blob)
alloc_stream_ids(FSL_PEX4_STREAM_ID_START, count, stream_ids,
MAX_STREAM_IDS);
pcie_set_available_streamids(blob, "/pcie@3700000", stream_ids, count);
+ append_mmu_masters(blob, "/iommu@5000000", "/pcie@3700000",
+ &ctlr_streamid, 1);
#endif
}
#endif