u-boot.git/drivers/pci, branch v2020.07-rc2

pci: Avoid auto-config when chain loading

2020-04-30T09:40:16Z

When U-Boot is not the first-stage bootloader we don't want to re-configure the PCI devices, since this has already been done. Add a check to avoid this. Signed-off-by: Simon Glass Reviewed-by: Bin Meng

x86: Move acpi_s3.h to include/acpi/

2020-04-16T06:36:28Z

This header relates to ACPI and we are about to add some more ACPI headers. Move this one into a new directory so they are together. The header inclusion in pci_rom.c is not specific to x86 anymore, so drop the #ifdef CONFIG_X86. Signed-off-by: Simon Glass Reviewed-by: Andy Shevchenko Reviewed-by: Wolfgang Wallner Reviewed-by: Bin Meng

pci: Adjust dm_pci_read_bar32() to return errors correctly

2020-04-16T06:36:28Z

At present if reading a BAR returns 0xffffffff then the value is masked and a different value is returned. This makes it harder to detect the problem when debugging. Update the function to avoid masking in this case. Signed-off-by: Simon Glass Reviewed-by: Bin Meng Reviewed-by: Wolfgang Wallner Reviewed-by: Andy Shevchenko

dm: pci: Allow disabling auto-config for a device

2020-04-16T06:36:28Z

Add a means to avoid configuring a device when needed. Add an explanation of why this is useful to the binding file. Signed-off-by: Simon Glass Reviewed-by: Bin Meng

pci-host-ecam-generic: access config space independent of system-wide bus id

2020-03-30T02:41:56Z

The pci-host-ecam-generic code assumes that the ECAM is the first PCI bus in the system to be probed. Therefore, the system-wide bus number allocated by U-Boot in sequence for it is going to be zero, which corresponds to the memory-mapped config spaces found within it. Reuse the logic from other PCI bus drivers, and assume that U-Boot will allocate bus numbers in sequence for all buses within the current ECAM. So the base number of the bus needs to be subtracted when indexing the correct config space. Fixes: 3675cb044e68 ("PCI: Add driver for a 'pci-host-ecam-generic' host controller") Signed-off-by: Vladimir Oltean Reviewed-by: Alex Marginean Signed-off-by: Priyanka Jain

dm: core: Create a new header file for 'compat' features

2020-02-06T02:33:46Z

At present dm/device.h includes the linux-compatible features. This requires including linux/compat.h which in turn includes a lot of headers. One of these is malloc.h which we thus end up including in every file in U-Boot. Apart from the inefficiency of this, it is problematic for sandbox which needs to use the system malloc() in some files. Move the compatibility features into a separate header file. Signed-off-by: Simon Glass

dm: core: Require users of devres to include the header

2020-02-06T02:33:46Z

At present devres.h is included in all files that include dm.h but few make use of it. Also this pulls in linux/compat which adds several more headers. Drop the automatic inclusion and require files to include devres themselves. This provides a good indication of which files use devres. Signed-off-by: Simon Glass Reviewed-by: Anatolij Gustschin

dm: pci: Update a few more interfaces for const udevice *

2020-02-06T02:33:45Z

Tidy up a few places where const * should be used. Signed-off-by: Simon Glass

dm: pci: Update the PCI read_config() method to const dev *

2020-02-06T02:33:45Z

At present this method uses a non-const udevice pointer, but the call should not modify the device. Use a const pointer. Signed-off-by: Simon Glass

pci: layerscape: device tree fixup based on SoC and

2020-01-24T08:58:26Z

lx2160a rev1 requires layerscape_gen4 device tree fixup and lx2160a rev2 requires layerscape device tree fixup. Add device tree fixup for lx2160a based on SoC and Version. Signed-off-by: Wasim Khan Reviewed-by: Priyanka Jain