Module Name: src
Committed By: msaitoh
Date: Tue Mar 24 03:47:39 UTC 2020
Modified Files:
src/sys/dev/ic: spdmem.c
Log Message:
Calculate DDR3's tRAS correctly.
To generate a diff of this commit:
cvs rdiff -u -r1.34 -r1.35 src/sys/dev/ic/spdmem.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/spdmem.c
diff -u src/sys/dev/ic/spdmem.c:1.34 src/sys/dev/ic/spdmem.c:1.35
--- src/sys/dev/ic/spdmem.c:1.34 Tue Mar 24 03:45:25 2020
+++ src/sys/dev/ic/spdmem.c Tue Mar 24 03:47:39 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: spdmem.c,v 1.34 2020/03/24 03:45:25 msaitoh Exp $ */
+/* $NetBSD: spdmem.c,v 1.35 2020/03/24 03:47:39 msaitoh Exp $ */
/*
* Copyright (c) 2007 Nicolas Joly
@@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: spdmem.c,v 1.34 2020/03/24 03:45:25 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spdmem.c,v 1.35 2020/03/24 03:47:39 msaitoh Exp $");
#include <sys/param.h>
#include <sys/device.h>
@@ -830,8 +830,9 @@ decode_ddr3(const struct sysctlnode *nod
__DDR3_CYCLES(__DDR3_VALUE_PICO(s, tAAmin)),
__DDR3_CYCLES(__DDR3_VALUE_PICO(s, tRCDmin)),
__DDR3_CYCLES(__DDR3_VALUE_PICO(s, tRPmin)),
- (s->sm_ddr3.ddr3_tRAS_msb * 256 + s->sm_ddr3.ddr3_tRAS_lsb) /
- s->sm_ddr3.ddr3_tCKmin_mtb);
+ __DDR3_CYCLES((s->sm_ddr3.ddr3_tRAS_msb * 256
+ + s->sm_ddr3.ddr3_tRAS_lsb) * s->sm_ddr3.ddr3_mtb_dividend
+ / s->sm_ddr3.ddr3_mtb_divisor * 1000));
#undef __DDR3_CYCLES
