Module Name: src
Committed By: snj
Date: Sun Apr 8 06:12:53 UTC 2018
Modified Files:
src/sys/arch/evbarm/rpi [netbsd-8]: rpi_machdep.c
Log Message:
Pull up following revision(s) (requested by mlelstv in ticket #704):
sys/arch/evbarm/rpi/rpi_machdep.c: 1.81
Firmware after May 8, 2017 places APs in WFE state at boot. Add a "sev"
after writing the start vector, otherwise secondary CPUs will not boot.
To generate a diff of this commit:
cvs rdiff -u -r1.70.8.2 -r1.70.8.3 src/sys/arch/evbarm/rpi/rpi_machdep.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/arch/evbarm/rpi/rpi_machdep.c
diff -u src/sys/arch/evbarm/rpi/rpi_machdep.c:1.70.8.2 src/sys/arch/evbarm/rpi/rpi_machdep.c:1.70.8.3
--- src/sys/arch/evbarm/rpi/rpi_machdep.c:1.70.8.2 Wed Jun 21 17:50:08 2017
+++ src/sys/arch/evbarm/rpi/rpi_machdep.c Sun Apr 8 06:12:53 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: rpi_machdep.c,v 1.70.8.2 2017/06/21 17:50:08 snj Exp $ */
+/* $NetBSD: rpi_machdep.c,v 1.70.8.3 2018/04/08 06:12:53 snj Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.70.8.2 2017/06/21 17:50:08 snj Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.70.8.3 2018/04/08 06:12:53 snj Exp $");
#include "opt_arm_debug.h"
#include "opt_bcm283x.h"
@@ -578,6 +578,9 @@ rpi_bootstrap(void)
}
}
+ /* Wake up APs in case firmware has placed them in WFE state */
+ __asm __volatile("sev");
+
for (int loop = 0; loop < 16; loop++) {
if (arm_cpu_hatched == __BITS(arm_cpu_max - 1, 1))
break;