[coreboot] New patch to review for coreboot: a844fb6 bootblock: Guard CMOS rewrite in disable/enable RTC

[Patrick Georgi]

Patrick Georgi ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1869

-gerrit

commit a844fb6d6da677b11544dae3fc094f7fcefe4745
Author: Patrick Georgi 
Date:   Thu Nov 15 14:57:27 2012 +0100

bootblock: Guard CMOS rewrite in disable/enable RTC

This ensures that there's only one disable/enable cycle for
    the entire rewrite instead for every single byte.

Change-Id: Ic06e6dcb08976d158ff784660838c0fbad875176
    Signed-off-by: Patrick Georgi 
---
 src/arch/x86/include/bootblock_common.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/arch/x86/include/bootblock_common.h b/src/arch/x86/include/bootblock_common.h
index c9674f4..4a128bc 100644
--- a/src/arch/x86/include/bootblock_common.h
+++ b/src/arch/x86/include/bootblock_common.h
@@ -27,9 +27,11 @@ static void sanitize_cmos(void)
    	unsigned char *cmos_default = (unsigned char*)walkcbfs("cmos.default");
    	if (cmos_default) {
    		int i;
+			cmos_disable_rtc();
    		for (i = 14; i < 128; i++) {
    			cmos_write(cmos_default[i], i);
    		}
+			cmos_enable_rtc();
    	}
    }
 }