mirror of
https://github.com/torvalds/linux.git
synced 2024-11-18 18:11:56 +00:00
d3c68e0a7e
Add a host bridge driver for the Faraday Technology FPPCI100 host bridge,
used for Cortina Systems Gemini SoC (SL3516) PCI Host Bridge.
This code is inspired by the out-of-tree OpenWRT patch and then extensively
rewritten for device tree and using the modern helpers to cut down and
modernize the code to all new PCI frameworks. A driver exists in U-Boot as
well.
Tested on the ITian Square One SQ201 NAS with the following result in the
boot log (trimmed to relevant parts):
OF: PCI: host bridge /soc/pci@50000000 ranges:
OF: PCI: IO 0x50000000..0x500fffff -> 0x00000000
OF: PCI: MEM 0x58000000..0x5fffffff -> 0x58000000
ftpci100 50000000.pci: PCI host bridge to bus 0000:00
pci_bus 0000:00: root bus resource [bus 00-ff]
pci_bus 0000:00: root bus resource [io 0x0000-0xfffff]
pci_bus 0000:00: root bus resource [mem 0x58000000-0x5fffffff]
ftpci100 50000000.pci:
DMA MEM1 BASE: 0x0000000000000000 -> 0x0000000007ffffff config 00070000
ftpci100 50000000.pci:
DMA MEM2 BASE: 0x0000000000000000 -> 0x0000000003ffffff config 00060000
ftpci100 50000000.pci:
DMA MEM3 BASE: 0x0000000000000000 -> 0x0000000003ffffff config 00060000
PCI: bus0: Fast back to back transfers disabled
pci 0000:00:00.0: of_irq_parse_pci() failed with rc=-22
pci 0000:00:0c.0: BAR 0: assigned [mem 0x58000000-0x58007fff]
pci 0000:00:09.2: BAR 0: assigned [mem 0x58008000-0x580080ff]
pci 0000:00:09.0: BAR 4: assigned [io 0x1000-0x101f]
pci 0000:00:09.1: BAR 4: assigned [io 0x1020-0x103f]
pci 0000:00:09.0: enabling device (0140 -> 0141)
pci 0000:00:09.0: HCRESET not completed yet!
pci 0000:00:09.1: enabling device (0140 -> 0141)
pci 0000:00:09.1: HCRESET not completed yet!
pci 0000:00:09.2: enabling device (0140 -> 0142)
rt61pci 0000:00:0c.0: enabling device (0140 -> 0142)
ieee80211 phy0: rt2x00_set_chip: Info - Chipset detected -
rt: 2561, rf: 0003, rev: 000c
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
ehci-pci: EHCI PCI platform driver
ehci-pci 0000:00:09.2: EHCI Host Controller
ehci-pci 0000:00:09.2: new USB bus registered, assigned bus number 1
ehci-pci 0000:00:09.2: irq 125, io mem 0x58008000
ehci-pci 0000:00:09.2: USB 2.0 started, EHCI 1.00
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 4 ports detected
uhci_hcd: USB Universal Host Controller Interface driver
uhci_hcd 0000:00:09.0: UHCI Host Controller
uhci_hcd 0000:00:09.0: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:09.0: HCRESET not completed yet!
uhci_hcd 0000:00:09.0: irq 123, io base 0x00001000
hub 2-0:1.0: USB hub found
hub 2-0:1.0: config failed, hub doesn't have any ports! (err -19)
uhci_hcd 0000:00:09.1: UHCI Host Controller
uhci_hcd 0000:00:09.1: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:09.1: HCRESET not completed yet!
uhci_hcd 0000:00:09.1: irq 124, io base 0x00001020
hub 3-0:1.0: USB hub found
hub 3-0:1.0: config failed, hub doesn't have any ports! (err -19)
scsi 0:0:0:0: Direct-Access USB Flash Disk 1.00 PQ: 0 ANSI: 2
sd 0:0:0:0: [sda] 7900336 512-byte logical blocks: (4.04 GB/3.77 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] No Caching mode page found
sd 0:0:0:0: [sda] Assuming drive cache: write through
sda: sda1 sda2 sda3
sd 0:0:0:0: [sda] Attached SCSI removable disk
ieee80211 phy0: rt2x00lib_request_firmware: Info -
Loading firmware file 'rt2561s.bin'
ieee80211 phy0: rt2x00lib_request_firmware: Info -
Firmware detected - version: 0.8
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
$ lspci
00:00.0 Class 0600: 159b:4321
00:09.2 Class 0c03: 1106:3104
00:09.0 Class 0c03: 1106:3038
00:09.1 Class 0c03: 1106:3038
00:0c.0 Class 0280: 1814:0301
$ cat /proc/interrupts
CPU0
123: 0 PCI 0 Edge uhci_hcd:usb2
124: 0 PCI 1 Edge uhci_hcd:usb3
125: 159 PCI 2 Edge ehci_hcd:usb1
126: 1082 PCI 3 Edge rt61pci
$ cat /proc/iomem
50000000-500000ff : /soc/pci@50000000
58000000-5fffffff : Gemini PCI MEM
58000000-58007fff : 0000:00:0c.0
58000000-58007fff : 0000:00:0c.0
58008000-580080ff : 0000:00:09.2
58008000-580080ff : ehci_hcd
The EHCI USB hub works fine; I can mount and manage files and the IRQs just
keep ticking up. I can issue iwlist wlan0 scanning and see all the WLANs
here. I don't have wpa_supplicant so have not tried connecting to them.
[bhelgaas: fold in %pap change from Arnd Bergmann <arnd@arndb.de>]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Janos Laube <janos.dev@gmail.com>
CC: Paulius Zaleckas <paulius.zaleckas@gmail.com>
CC: Hans Ulli Kroll <ulli.kroll@googlemail.com>
CC: Florian Fainelli <f.fainelli@gmail.com>
CC: Feng-Hsin Chiang <john453@faraday-tech.com>
CC: Greentime Hu <green.hu@gmail.com>
36 lines
1.6 KiB
Makefile
36 lines
1.6 KiB
Makefile
obj-$(CONFIG_PCI_FTPCI100) += pci-ftpci100.o
|
|
obj-$(CONFIG_PCI_HYPERV) += pci-hyperv.o
|
|
obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o
|
|
obj-$(CONFIG_PCI_AARDVARK) += pci-aardvark.o
|
|
obj-$(CONFIG_PCI_TEGRA) += pci-tegra.o
|
|
obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
|
|
obj-$(CONFIG_PCIE_RCAR) += pcie-rcar.o
|
|
obj-$(CONFIG_PCI_HOST_COMMON) += pci-host-common.o
|
|
obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o
|
|
obj-$(CONFIG_PCIE_XILINX) += pcie-xilinx.o
|
|
obj-$(CONFIG_PCIE_XILINX_NWL) += pcie-xilinx-nwl.o
|
|
obj-$(CONFIG_PCI_XGENE_MSI) += pci-xgene-msi.o
|
|
obj-$(CONFIG_PCI_VERSATILE) += pci-versatile.o
|
|
obj-$(CONFIG_PCIE_IPROC) += pcie-iproc.o
|
|
obj-$(CONFIG_PCIE_IPROC_MSI) += pcie-iproc-msi.o
|
|
obj-$(CONFIG_PCIE_IPROC_PLATFORM) += pcie-iproc-platform.o
|
|
obj-$(CONFIG_PCIE_IPROC_BCMA) += pcie-iproc-bcma.o
|
|
obj-$(CONFIG_PCIE_ALTERA) += pcie-altera.o
|
|
obj-$(CONFIG_PCIE_ALTERA_MSI) += pcie-altera-msi.o
|
|
obj-$(CONFIG_PCIE_ROCKCHIP) += pcie-rockchip.o
|
|
obj-$(CONFIG_VMD) += vmd.o
|
|
|
|
# The following drivers are for devices that use the generic ACPI
|
|
# pci_root.c driver but don't support standard ECAM config access.
|
|
# They contain MCFG quirks to replace the generic ECAM accessors with
|
|
# device-specific ones that are shared with the DT driver.
|
|
|
|
# The ACPI driver is generic and should not require driver-specific
|
|
# config options to be enabled, so we always build these drivers on
|
|
# ARM64 and use internal ifdefs to only build the pieces we need
|
|
# depending on whether ACPI, the DT driver, or both are enabled.
|
|
|
|
obj-$(CONFIG_ARM64) += pci-thunder-ecam.o
|
|
obj-$(CONFIG_ARM64) += pci-thunder-pem.o
|
|
obj-$(CONFIG_ARM64) += pci-xgene.o
|