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authorBen Dooks <ben-linux@fluff.org>2008-10-21 14:06:38 +0100
committerBen Dooks <ben-linux@fluff.org>2008-12-15 21:46:08 +0000
commite425382ed90d221ef9031a1b2d97d9bfedcf90c3 (patch)
treeca36882dba4caf8a9726ed67216251360c80ef59 /arch/arm/mach-s3c2410
parentc3391e36d697c997b6afeb045071e0be95219a3e (diff)
[ARM] S3C24XX: Update clock data on resume
Update the clock settings on resume for suspend/resume support so that if the boot loader changes anything or the system's PLL is reset then we return with the correct settings. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c2410')
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index 4e23bc05f4b..feb141b1f91 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -16,6 +16,7 @@
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
+#include <linux/clk.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
@@ -28,6 +29,8 @@
#include <mach/hardware.h>
#include <asm/irq.h>
+#include <plat/cpu-freq.h>
+
#include <mach/regs-clock.h>
#include <plat/regs-serial.h>
@@ -65,13 +68,19 @@ void __init s3c2410_map_io(void)
iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
}
-void __init s3c2410_init_clocks(int xtal)
+void __init_or_cpufreq s3c2410_setup_clocks(void)
{
+ struct clk *xtal_clk;
unsigned long tmp;
+ unsigned long xtal;
unsigned long fclk;
unsigned long hclk;
unsigned long pclk;
+ xtal_clk = clk_get(NULL, "xtal");
+ xtal = clk_get_rate(xtal_clk);
+ clk_put(xtal_clk);
+
/* now we've got our machine bits initialised, work out what
* clocks we've got */
@@ -93,7 +102,13 @@ void __init s3c2410_init_clocks(int xtal)
* console to use them
*/
- s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+ s3c24xx_setup_clocks(fclk, hclk, pclk);
+}
+
+void __init s3c2410_init_clocks(int xtal)
+{
+ s3c24xx_register_baseclocks(xtal);
+ s3c2410_setup_clocks();
s3c2410_baseclk_add();
}