On Thu, Jun 4, 2015 at 12:37 AM, <[email protected]> wrote: > From: Andrew Bradford <[email protected]> > > Baytrail physically maps the first 2 GB of SDRAM from 0x0 to 0x7FFFFFFF > and additional SDRAM is mapped from 0x100000000 and up. There is a > physical memory hole from 0x80000000 to 0xFFFFFFFF for other uses. > Because of this, PCI region 3 should only try to use up to the amount of > SDRAM or 0x80000000, which ever is less. > > Signed-off-by: Andrew Bradford <[email protected]> > --- > v3: Fix build breakage due to semicolon > v2: limit maximum size to lesser of SDRAM or 0x80000000 > --- > arch/x86/cpu/baytrail/pci.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/cpu/baytrail/pci.c b/arch/x86/cpu/baytrail/pci.c > index 6c291f9..48409de 100644 > --- a/arch/x86/cpu/baytrail/pci.c > +++ b/arch/x86/cpu/baytrail/pci.c > @@ -39,7 +39,7 @@ void board_pci_setup_hose(struct pci_controller *hose) > pci_set_region(hose->regions + 3, > 0, > 0, > - gd->ram_size, > + gd->ram_size < 0x80000000 ? gd->ram_size : 0x80000000, > PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); > > hose->region_count = 4; > --
Reviewed-by: Bin Meng <[email protected]> _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
