drivers: pci: add pcie support for fu740
Add pcie driver for SiFive fu740, the driver depends on
fu740 gpio, clk and reset driver to do init. Force running at Gen1
for better capatible enumeration.
Several devices are tested:
a) M.2 NVMe SSD
b) USB-to-PCI adapter
c) Ethernet adapter (E1000 compatible)
Signed-off-by: Green Wan <green.wan@sifive.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 1f74178..c742bb2 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -54,3 +54,4 @@
obj-$(CONFIG_PCI_BRCMSTB) += pcie_brcmstb.o
obj-$(CONFIG_PCI_OCTEONTX) += pci_octeontx.o
obj-$(CONFIG_PCIE_OCTEON) += pcie_octeon.o
+obj-$(CONFIG_PCIE_DW_SIFIVE) += pcie_dw_sifive.o