From 6dc1d3b8dc6bd226bb2530c7af8d109407faa056 Mon Sep 17 00:00:00 2001 From: Carl-Daniel Hailfinger Date: Wed, 14 May 2008 14:51:22 +0000 Subject: Add more infrastructure for flashrom ICH9 support Corresponding to flashrom svn r234 and coreboot v2 svn r3314. Signed-off-by: Carl-Daniel Hailfinger Acked-by: Stefan Reinauer --- flashrom.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'flashrom.c') diff --git a/flashrom.c b/flashrom.c index dce303e..842d473 100644 --- a/flashrom.c +++ b/flashrom.c @@ -381,8 +381,8 @@ int main(int argc, char *argv[]) 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); -- cgit v1.1