[PATCH v2 1/1] pci: definition of pci_addr_t and pci_size_t
sjg at chromium.org
Wed Feb 5 22:36:48 CET 2020
On Wed, 5 Feb 2020 at 13:59, 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 if
> CONFIG_SYS_PCI_64BIT is not defined.
> Considering that 32bit U-Boot is used to launch some 64bit x86 systems we
> cannot do without CONFIG_SYS_PCI_64BIT requiring u64 as type.
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Do not change CONFIG_SYS_PCI_64BIT=y case.
> include/pci.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Simon Glass <sjg at chromium.org>
More information about the U-Boot