[PATCH 7/7] ARM: vexpress: add smp_twd clock
Rob Herring
robherring2 at gmail.com
Wed Jan 12 18:32:03 EST 2011
From: Rob Herring <rob.herring at calxeda.com>
Add smp_twd clock and call twd_timer_init to enable using it.
Signed-off-by: Rob Herring <rob.herring at calxeda.com>
---
arch/arm/mach-vexpress/ct-ca9x4.c | 14 +++++++++++---
1 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index db4614c..62d5a2d 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -53,9 +53,6 @@ static struct map_desc ct_ca9x4_io_desc[] __initdata = {
static void __init ct_ca9x4_map_io(void)
{
-#ifdef CONFIG_LOCAL_TIMERS
- twd_base = MMIO_P2V(A9_MPCORE_TWD);
-#endif
v2m_map_io(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc));
}
@@ -183,10 +180,17 @@ static struct clk osc1_clk = {
.rate = 24000000,
};
+static struct clk twd_clk = {
+ .rate = 200000000,
+};
+
static struct clk_lookup lookups[] = {
{ /* CLCD */
.dev_id = "ct:clcd",
.clk = &osc1_clk,
+ }, { /* TWD */
+ .dev_id = "smp_twd",
+ .clk = &twd_clk,
},
};
@@ -194,6 +198,10 @@ static void __init ct_ca9x4_init_early(void)
{
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
v2m_init_early();
+
+#ifdef CONFIG_LOCAL_TIMERS
+ twd_timer_init(MMIO_P2V(A9_MPCORE_TWD));
+#endif
}
static struct resource pmu_resources[] = {
--
1.7.1
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