[PATCH 1/1] pci: definition of pci_addr_t and pci_size_t
sjg at chromium.org
Wed Feb 5 21:05:50 CET 2020
On Wed, 5 Feb 2020 at 12:07, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
> Currently the size of pci_addr_t and pci_size_t depends on
> CONFIG_SYS_PCI_64BIT. For qemu_arm64_defconfig with 4 GiB RAM this leads
> to an error
> pci_hose_phys_to_bus: invalid physical address
> which is due to the truncation of the bus address in _dm_pci_phys_to_bus.
> Defining CONFIG_SYS_PCI_64BIT is not a solution as this results in an error
> PCI: Failed autoconfig bar 10
> So let's use unsigned long for pci_addr_t and pci_size_t.
But how will this work on x86 where we might have 32-bit U-Boot but
need 64-bit PCI addresses?
More information about the U-Boot