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[src/trunk]: src/sys/arch/evbarm/rpi Before spinning up the secondary cpus fl...
details: https://anonhg.NetBSD.org/src/rev/e7d62fb888fc
branches: trunk
changeset: 338400:e7d62fb888fc
user: skrll <skrll%NetBSD.org@localhost>
date: Thu May 21 20:50:57 2015 +0000
description:
Before spinning up the secondary cpus flush the dcache otherwise the
dcache invalidate in cortex_mpstart makes bad things happen.
I have no idea why.
RPI2 boots again
diffstat:
sys/arch/evbarm/rpi/rpi_machdep.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diffs (27 lines):
diff -r 46f577c99de6 -r e7d62fb888fc sys/arch/evbarm/rpi/rpi_machdep.c
--- a/sys/arch/evbarm/rpi/rpi_machdep.c Thu May 21 19:53:11 2015 +0000
+++ b/sys/arch/evbarm/rpi/rpi_machdep.c Thu May 21 20:50:57 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rpi_machdep.c,v 1.63 2015/05/21 10:35:08 jmcneill Exp $ */
+/* $NetBSD: rpi_machdep.c,v 1.64 2015/05/21 20:50:57 skrll Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.63 2015/05/21 10:35:08 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.64 2015/05/21 20:50:57 skrll Exp $");
#include "opt_arm_debug.h"
#include "opt_bcm283x.h"
@@ -503,6 +503,8 @@
extern void cortex_mpstart(void);
+ cpu_dcache_wbinv_all();
+
for (size_t i = 1; i < arm_cpu_max; i++) {
bus_space_tag_t iot = &bcm2835_bs_tag;
bus_space_handle_t ioh = BCM2836_ARM_LOCAL_VBASE;
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