From 1941c933f8c80a39efd93a0da2a5a44ad0593970 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Fri, 12 Dec 2008 19:15:00 +0000 Subject: [PATCH] [pci] Enable memory cycles in adjust_pci_device() adjust_pci_device() has historically enabled bus-mastering and I/O cycles, but has never previously needed to enable memory cycles. Some EFI systems seem not to enable memory cycles by default, so add that to the list of PCI command register bits that we force on. --- src/drivers/bus/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/drivers/bus/pci.c b/src/drivers/bus/pci.c index 54d1136f..2dc9d43a 100644 --- a/src/drivers/bus/pci.c +++ b/src/drivers/bus/pci.c @@ -148,7 +148,8 @@ void adjust_pci_device ( struct pci_device *pci ) { unsigned char pci_latency; pci_read_config_word ( pci, PCI_COMMAND, &pci_command ); - new_command = pci_command | PCI_COMMAND_MASTER | PCI_COMMAND_IO; + new_command = ( pci_command | PCI_COMMAND_MASTER | + PCI_COMMAND_MEM | PCI_COMMAND_IO ); if ( pci_command != new_command ) { DBG ( "PCI BIOS has not enabled device %02x:%02x.%x! " "Updating PCI command %04x->%04x\n", pci->bus,