From cb31eaa4b3e870e4520dd0ce6f9ce326dc9cf50b Mon Sep 17 00:00:00 2001
From: Daniel Hellstrom <daniel@gaisler.com>
Date: Wed, 22 Sep 2010 17:42:29 +0200
Subject: [PATCH] sparc: leon3: Clear all unused GPTIMER registers.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
---
arch/sparc/cpu/leon3/cpu_init.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/sparc/cpu/leon3/cpu_init.c b/arch/sparc/cpu/leon3/cpu_init.c
index 20a6a256f0..0ce2f89dff 100644
--- a/arch/sparc/cpu/leon3/cpu_init.c
+++ b/arch/sparc/cpu/leon3/cpu_init.c
@@ -90,7 +90,7 @@ int arch_cpu_init(void)
int cpu_init_r(void)
{
ambapp_apbdev apbdev;
- int index, cpu;
+ int index, cpu, ntimers, i;
ambapp_dev_gptimer *timer = NULL;
unsigned int bus_freq;
@@ -135,6 +135,14 @@ int cpu_init_r(void)
timer->scalar = timer->scalar_reload =
(((bus_freq / 1000) + 500) / 1000) - 1;
+ /* Clear All Timers */
+ ntimers = timer->config & 0x7;
+ for (i = 0; i < ntimers; i++) {
+ timer->e[i].ctrl = GPTIMER_CTRL_IP;
+ timer->e[i].rld = 0;
+ timer->e[i].ctrl = GPTIMER_CTRL_LD;
+ }
+
index++;
}
if (!gptimer) {
--
2.39.5