Add more infrastructure for flashrom ICH9 support
Corresponding to flashrom svn r234 and coreboot v2 svn r3314.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
diff --git a/flashrom.c b/flashrom.c
index dce303e..842d473 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -381,8 +381,8 @@
pci_init(pacc); /* Initialize the PCI library */
pci_scan_bus(pacc); /* We want to get the list of devices */
- /* Open the memory device. A lot of functions need it */
- if ((fd_mem = open(MEM_DEV, O_RDWR)) < 0) {
+ /* Open the memory device UNCACHED. That's important for MMIO. */
+ if ((fd_mem = open(MEM_DEV, O_RDWR|O_SYNC)) < 0) {
perror("Error: Can not access memory using " MEM_DEV
". You need to be root.");
exit(1);