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| author | Vidya Sagar <vidyas@nvidia.com> | 2020-11-18 17:46:26 +0300 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-11-18 19:16:39 +0300 |
| commit | 74081de4a1f70d14870c824a70e86aa0c1414945 (patch) | |
| tree | e9135fd29c0f2be3d64e6f682ad427bda8bc118f /drivers/pci/controller/dwc/pcie-designware.h | |
| parent | fede8526cc4880d2a1ac4cfe357c299c4e1fd848 (diff) | |
| download | linux-74081de4a1f70d14870c824a70e86aa0c1414945.tar.xz | |
PCI: dwc: Add support to program ATU for >4GB memory
Add support to program the ATU to enable translations for >4GB sizes of
the prefetchable memory apertures.
Link: https://lore.kernel.org/r/20201118144626.32189-3-vidyas@nvidia.com
Tested-by: Thierry Reding <treding@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Jingoo <jingoohan1@gmail.com>
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware.h')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index ed19c34dd0fe..f9a20ce9ab9a 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -81,6 +81,7 @@ #define PCIE_ATU_REGION_INBOUND BIT(31) #define PCIE_ATU_REGION_OUTBOUND 0 #define PCIE_ATU_CR1 0x904 +#define PCIE_ATU_INCREASE_REGION_SIZE BIT(13) #define PCIE_ATU_TYPE_MEM 0x0 #define PCIE_ATU_TYPE_IO 0x2 #define PCIE_ATU_TYPE_CFG0 0x4 @@ -293,7 +294,7 @@ void dw_pcie_upconfig_setup(struct dw_pcie *pci); int dw_pcie_wait_for_link(struct dw_pcie *pci); void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type, u64 cpu_addr, u64 pci_addr, - u32 size); + u64 size); void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int index, int type, u64 cpu_addr, u64 pci_addr, u32 size); |