diff options
Diffstat (limited to 'drivers/pci/pci_auto_common.c')
| -rw-r--r-- | drivers/pci/pci_auto_common.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/pci/pci_auto_common.c b/drivers/pci/pci_auto_common.c index 1d202ae2ef..183787333e 100644 --- a/drivers/pci/pci_auto_common.c +++ b/drivers/pci/pci_auto_common.c @@ -32,12 +32,12 @@ void pciauto_region_align(struct pci_region *res, pci_size_t size) } int pciauto_region_allocate(struct pci_region *res, pci_size_t size, - pci_addr_t *bar) + pci_addr_t *bar, bool supports_64bit) { pci_addr_t addr; if (!res) { - debug("No resource"); + debug("No resource\n"); goto error; } @@ -48,9 +48,14 @@ int pciauto_region_allocate(struct pci_region *res, pci_size_t size, goto error; } + if (upper_32_bits(addr) && !supports_64bit) { + debug("Cannot assign 64-bit address to 32-bit-only resource\n"); + goto error; + } + res->bus_lower = addr + size; - debug("address=0x%llx bus_lower=0x%llx", (unsigned long long)addr, + debug("address=0x%llx bus_lower=0x%llx\n", (unsigned long long)addr, (unsigned long long)res->bus_lower); *bar = addr; |