ARM: vexpress: use new init_early for clock tree and sched_clock init
Initialize the clock tree and our sched_clock() early.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-vexpress/core.h b/arch/arm/mach-vexpress/core.h
index 362780d..e0312a1 100644
--- a/arch/arm/mach-vexpress/core.h
+++ b/arch/arm/mach-vexpress/core.h
@@ -21,4 +21,5 @@
struct map_desc;
void v2m_map_io(struct map_desc *tile, size_t num);
+void v2m_init_early(void);
extern struct sys_timer v2m_timer;
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index 27baed1..ff48ebc 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -180,6 +180,13 @@
.resource = pmu_resources,
};
+static void __init ct_ca9x4_init_early(void)
+{
+ clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+
+ v2m_init_early();
+}
+
static void __init ct_ca9x4_init(void)
{
int i;
@@ -194,8 +201,6 @@
l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff);
#endif
- clkdev_add_table(lookups, ARRAY_SIZE(lookups));
-
for (i = 0; i < ARRAY_SIZE(ct_ca9x4_amba_devs); i++)
amba_device_register(ct_ca9x4_amba_devs[i], &iomem_resource);
@@ -206,6 +211,7 @@
.boot_params = PHYS_OFFSET + 0x00000100,
.map_io = ct_ca9x4_map_io,
.init_irq = ct_ca9x4_init_irq,
+ .init_early = ct_ca9x4_init_early,
#if 0
.timer = &ct_ca9x4_timer,
#else
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index f35d646..63ef663 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -49,13 +49,15 @@
iotable_init(tile, num);
}
+void __init v2m_init_early(void)
+{
+ versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
+}
static void __init v2m_timer_init(void)
{
u32 scctrl;
- versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
-
/* Select 1MHz TIMCLK as the reference clock for SP804 timers */
scctrl = readl(MMIO_P2V(V2M_SYSCTL + SCCTRL));
scctrl |= SCCTRL_TIMEREN0SEL_TIMCLK;