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pci: Fix expansion ROM programming for multi-function devices 

PCI_HEADER_TYPE register (offset 0x0e) bit 7 is an indicator
for multi-function devices. We should mask it off before using
it as the header type.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-10-07 02:13:18 -07:00 committed by Simon Glass
parent 996ec1dcc5
commit 7445435fb3
1 changed files with 1 additions and 0 deletions
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1
drivers/pci/pci_auto.c
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@ -185,6 +185,7 @@ void pciauto_setup_device(struct pci_controller *hose,
#ifndef CONFIG_PCI_ENUM_ONLY
/* Configure the expansion ROM address */
pci_hose_read_config_byte(hose, dev, PCI_HEADER_TYPE, &header_type);
header_type &= 0x7f;
if (header_type != PCI_HEADER_TYPE_CARDBUS) {
rom_addr = (header_type == PCI_HEADER_TYPE_NORMAL) ?
PCI_ROM_ADDRESS : PCI_ROM_ADDRESS1;