From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 02/11] ARM: versatile: use new init_early for clock tree and sched_clock init
Date: Thu, 27 Jan 2011 13:46:26 +0000 [thread overview]
Message-ID: <E1PiSB8-0003ox-Cm@rmk-PC.arm.linux.org.uk> (raw)
In-Reply-To: <20110127134532.GE25968@n2100.arm.linux.org.uk>
Initialize the clock tree and our sched_clock() early.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
arch/arm/mach-versatile/core.c | 23 +++++++++++------------
arch/arm/mach-versatile/core.h | 1 +
arch/arm/mach-versatile/versatile_ab.c | 1 +
arch/arm/mach-versatile/versatile_pb.c | 1 +
4 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index b4f1f17..606e046 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -762,14 +762,21 @@ static void versatile_leds_event(led_event_t ledevt)
}
#endif /* CONFIG_LEDS */
-void __init versatile_init(void)
+/* Early initializations */
+void __init versatile_init_early(void)
{
- int i;
-
- osc4_clk.vcoreg = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSCCLCD_OFFSET;
+ void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
+ osc4_clk.vcoreg = sys + VERSATILE_SYS_OSCCLCD_OFFSET;
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
+ versatile_sched_clock_init(sys + VERSATILE_SYS_24MHz_OFFSET, 24000000);
+}
+
+void __init versatile_init(void)
+{
+ int i;
+
platform_device_register(&versatile_flash_device);
platform_device_register(&versatile_i2c_device);
platform_device_register(&smc91x_device);
@@ -786,12 +793,6 @@ void __init versatile_init(void)
}
/*
- * The sched_clock counter
- */
-#define REFCOUNTER (__io_address(VERSATILE_SYS_BASE) + \
- VERSATILE_SYS_24MHz_OFFSET)
-
-/*
* Where is the timer (VA)?
*/
#define TIMER0_VA_BASE __io_address(VERSATILE_TIMER0_1_BASE)
@@ -806,8 +807,6 @@ static void __init versatile_timer_init(void)
{
u32 val;
- versatile_sched_clock_init(REFCOUNTER, 24000000);
-
/*
* set clock frequency:
* VERSATILE_REFCLK is 32KHz
diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h
index 9d39886..e04768a 100644
--- a/arch/arm/mach-versatile/core.h
+++ b/arch/arm/mach-versatile/core.h
@@ -25,6 +25,7 @@
#include <linux/amba/bus.h>
extern void __init versatile_init(void);
+extern void __init versatile_init_early(void);
extern void __init versatile_init_irq(void);
extern void __init versatile_map_io(void);
extern struct sys_timer versatile_timer;
diff --git a/arch/arm/mach-versatile/versatile_ab.c b/arch/arm/mach-versatile/versatile_ab.c
index aa9730f..f8ae64b 100644
--- a/arch/arm/mach-versatile/versatile_ab.c
+++ b/arch/arm/mach-versatile/versatile_ab.c
@@ -37,6 +37,7 @@ MACHINE_START(VERSATILE_AB, "ARM-Versatile AB")
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
.boot_params = 0x00000100,
.map_io = versatile_map_io,
+ .init_early = versatile_init_early,
.init_irq = versatile_init_irq,
.timer = &versatile_timer,
.init_machine = versatile_init,
diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c
index bf46964..97fb306 100644
--- a/arch/arm/mach-versatile/versatile_pb.c
+++ b/arch/arm/mach-versatile/versatile_pb.c
@@ -110,6 +110,7 @@ MACHINE_START(VERSATILE_PB, "ARM-Versatile PB")
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
.boot_params = 0x00000100,
.map_io = versatile_map_io,
+ .init_early = versatile_init_early,
.init_irq = versatile_init_irq,
.timer = &versatile_timer,
.init_machine = versatile_pb_init,
--
1.6.2.5
next prev parent reply other threads:[~2011-01-27 13:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-27 13:45 [PATCH 00/11] Rationalize and consolidate ARMs evaluation boards Russell King - ARM Linux
2011-01-27 13:46 ` [PATCH 01/11] ARM: integrator: use new init_early for clock tree init Russell King - ARM Linux
2011-02-04 19:27 ` Rob Herring
2011-02-04 19:31 ` Grant Likely
2011-02-04 19:34 ` Russell King - ARM Linux
2011-02-04 19:53 ` Rob Herring
2011-02-04 19:59 ` Russell King - ARM Linux
2011-01-27 13:46 ` Russell King - ARM Linux [this message]
2011-01-27 13:46 ` [PATCH 03/11] ARM: realview: use new init_early for clock tree and sched_clock init Russell King - ARM Linux
2011-01-27 13:47 ` [PATCH 04/11] ARM: vexpress: " Russell King - ARM Linux
2011-01-27 13:47 ` [PATCH 05/11] ARM: versatile: remove old AMBA device DMA definitions Russell King - ARM Linux
2011-01-27 13:47 ` [PATCH 06/11] ARM: realview: " Russell King - ARM Linux
2011-01-27 14:40 ` Linus Walleij
2011-01-27 13:48 ` [PATCH 07/11] ARM: rationalize versatile family Kconfig/Makefile Russell King - ARM Linux
2011-01-27 13:48 ` [PATCH 08/11] ARM: integrator/versatile: consolidate FPGA IRQ handling code Russell King - ARM Linux
2011-01-27 13:48 ` [PATCH 09/11] ARM: realview/vexpress: consolidate localtimer support Russell King - ARM Linux
2011-01-27 13:49 ` [PATCH 10/11] ARM: realview/vexpress: consolidate SMP bringup code Russell King - ARM Linux
2011-01-27 13:49 ` [PATCH 11/11] ARM: integrator: add Integrator/CP sched_clock support Russell King - ARM Linux
2011-02-18 11:34 ` [PATCH 00/11] Rationalize and consolidate ARMs evaluation boards Catalin Marinas
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