[src/trunk]: src/sys/arch/powerpc/booke Initialize timer DR.

[nonaka <nonaka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f88ff696e8f0
branches:  trunk
changeset: 805919:f88ff696e8f0
user:      nonaka <nonaka%NetBSD.org@localhost>
date:      Fri Jan 23 09:02:42 2015 +0000

description:
Initialize timer DR.

diffstat:

 sys/arch/powerpc/booke/e500_intr.c |  25 +++++++++++++++++++++++--
 1 files changed, 23 insertions(+), 2 deletions(-)

diffs (60 lines):

diff -r 80ce6e634350 -r f88ff696e8f0 sys/arch/powerpc/booke/e500_intr.c
--- a/sys/arch/powerpc/booke/e500_intr.c        Fri Jan 23 07:27:05 2015 +0000
+++ b/sys/arch/powerpc/booke/e500_intr.c        Fri Jan 23 09:02:42 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: e500_intr.c,v 1.31 2015/01/23 07:27:05 nonaka Exp $    */
+/*     $NetBSD: e500_intr.c,v 1.32 2015/01/23 09:02:42 nonaka Exp $    */
 /*-
  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -41,7 +41,7 @@
 #define __INTR_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: e500_intr.c,v 1.31 2015/01/23 07:27:05 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: e500_intr.c,v 1.32 2015/01/23 09:02:42 nonaka Exp $");
 
 #include <sys/param.h>
 #include <sys/proc.h>
@@ -409,6 +409,7 @@
 static void    e500_intr_cpu_hatch(struct cpu_info *ci);
 static void    e500_intr_cpu_send_ipi(cpuid_t, uintptr_t);
 static void    e500_intr_init(void);
+static void    e500_intr_init_precpu(void);
 static const char *e500_intr_string(int, int, char *, size_t);
 static const char *e500_intr_typename(int);
 static void    e500_critintr(struct trapframe *tf);
@@ -1145,6 +1146,22 @@
 }
 
 static void
+e500_intr_init_precpu(void)
+{
+       struct cpu_info const *ci = curcpu();
+       struct cpu_softc * const cpu = ci->ci_softc;
+       bus_addr_t dr;
+
+       /*
+        * timer's DR is set to be delivered to cpu0 as initial value.
+        */
+       for (u_int irq = 0; irq < e500_intr_info.ii_timer_sources; irq++) { 
+               dr = OPENPIC_GTDR(ci->ci_cpuid, irq);
+               openpic_write(cpu, dr, 0);      /* stop delivery */
+       }
+}
+
+static void
 e500_idlespin(void)
 {
        KASSERTMSG(curcpu()->ci_cpl == IPL_NONE,
@@ -1312,6 +1329,10 @@
 static void
 e500_intr_cpu_hatch(struct cpu_info *ci)
 {
+
+       /* Initialize percpu interupts. */
+       e500_intr_init_precpu();
+
        /*
         * Establish clock interrupt for this CPU.
         */