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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>
This commit is contained in:
Varun Sethi 2015-07-29 00:03:47 +05:30 committed by York Sun
parent 9979922015
commit 6923b069bd
1 changed files with 9 additions and 0 deletions
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9
drivers/pci/pcie_layerscape.c
View File

@ -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