From: Becky Bruce Date: Sat, 22 Nov 2008 01:24:22 +0000 (-0600) Subject: drivers/fsl_pci_init: Fix inbound window mapping bug X-Git-Tag: v2009.01-rc1~56^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=35db1c6d34b57ae15e99cf03c8e8f8a6148d74f3;p=platform%2Fkernel%2Fu-boot.git drivers/fsl_pci_init: Fix inbound window mapping bug The current code will cause the creation of a 4GB window starting at 0 if we have more than 4GB of RAM installed, which overlaps with PCI_MEM space and causes pci_bus_to_phys() to return erroneous information. Limit the size to 4GB - 1; which causes the code to create one 2GB and one 1GB window instead. Signed-off-by: Becky Bruce Signed-off-by: Kumar Gala Acked-by: Andy Fleming --- diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c index 7625ccc..e57acba 100644 --- a/drivers/pci/fsl_pci_init.c +++ b/drivers/pci/fsl_pci_init.c @@ -58,7 +58,7 @@ void pciauto_config_init(struct pci_controller *hose); int fsl_pci_setup_inbound_windows(struct pci_region *r) { struct pci_region *rgn_base = r; - u64 sz = min((u64)gd->ram_size, 1ull << 32); + u64 sz = min((u64)gd->ram_size, (1ull << 32) - 1); phys_addr_t phys_start = CONFIG_SYS_PCI_MEMORY_PHYS; pci_addr_t bus_start = CONFIG_SYS_PCI_MEMORY_BUS;