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由 Paul Burton 提交于
Add support for emulating the Xilinx AXI Root Port Bridge for PCI Express as described by Xilinx' PG055 document. This is a PCIe controller that can be used with certain series of Xilinx FPGAs, and is used on the MIPS Boston board which will make use of this code. Signed-off-by: NPaul Burton <paul.burton@imgtec.com> [yongbok.kim@imgtec.com: removed returning on !level, updated IRQ connection with GPIO logic, moved xilinx_pcie_init() to boston.c replaced stw_le_p() with pci_set_word() and other cosmetic changes] Signed-off-by: NYongbok Kim <yongbok.kim@imgtec.com>
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