CVS log for src/sys/arch/arm/imx/fdt/Attic/imx6_pcie.c

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Default branch: MAIN

Sync w/ HEAD.

Tidyup the i.MX SoC support by

- Moving the  FDTised code to sys/arch/arm/nxp to match the
  sys/arch/{cpu}/{vendor} convention
- FDTise some more drivers
	- Secure Non-Volatile Storage
	- watchdog driver
	- On chip OTP
- Match fsl,imx6dl
- Add some more drivers to GENERIC that will be supported by i.MX 6
  boards

Overhaul the interface to pci_configure_bus():
- Don't expose how PCI bus configuration resource management is implemented.
  Provide a new resource provider API:

  ==> pciconf_resource_init() -- Initialize a PCI configuration resources
      container.
  ==> pciconf_resource_add() -- Add a PCI configuration resource to the
      container (I/O, MEM, or prefetchable MEM).  Multiple resources of
      each type may be added.
  ==> pciconf_resource_fini() -- Tear down the PCI configurtation resources
      container once the bus has been configured.

  This is much easier to use than the previous method of providing an
  extent map for each kind of resource, and works better for e.g. ACPI
  platforms that provide potentially multiple PCI resources in tables
  provided by firmware.

- Re-implement PCI configuration resource management using vmem arenas,
  rather than extent maps.

replace EX_NOWAIT with EX_WAITOK in device attach methods.
remove checks for failures that can no longer occur.

Mostly merge changes from HEAD upto 20200411

file imx6_pcie.c was added on branch phil-wifi on 2020-04-13 08:03:35 +0000

Remove unnecessary code.

Fixed bug when using PCIe external clock.

Add support for imx6qp-pcie.

+ Add vpcie-supply support
+ Add ext_osc support

Tested on SABRESD i.MX 6QP.

Enable FDT_INTR_MPSAFE flag.

Fix builds

Add support for device tree.

+ CCM (clk)
+ COM (uart)
+ GPIO
+ IOMUX (pin control)
+ PCIe
+ SDHC
+ USB Host
+ USB phy