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authorBen Dooks <ben-linux@fluff.org>2005-08-29 22:46:31 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-08-29 22:46:31 +0100
commit01b9c414828d951148a3792237ff3bf6e6debc85 (patch)
treeb3d41af3d79fee4ae1c617a6da596202709fd2d5 /arch/arm/mach-s3c2410
parentd6b0bf213b4be478029b768fcee80058ace7150a (diff)
[ARM] 2856/1: S3C2440 - show DVS status at startup
Patch from Ben Dooks Show the state of DVS (Dynamic Voltage Scaling) when starting up on the S3C2440 Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-s3c2410')
-rw-r--r--arch/arm/mach-s3c2410/s3c2440-clock.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2440-clock.c b/arch/arm/mach-s3c2410/s3c2440-clock.c
index b018a1f680c..c67e0979aec 100644
--- a/arch/arm/mach-s3c2410/s3c2440-clock.c
+++ b/arch/arm/mach-s3c2410/s3c2440-clock.c
@@ -68,6 +68,7 @@ static struct clk s3c2440_clk_ac97 = {
static int s3c2440_clk_add(struct sys_device *sysdev)
{
unsigned long upllcon = __raw_readl(S3C2410_UPLLCON);
+ unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN);
struct clk *clk_h;
struct clk *clk_p;
struct clk *clk_xtal;
@@ -80,8 +81,9 @@ static int s3c2440_clk_add(struct sys_device *sysdev)
s3c2440_clk_upll.rate = s3c2410_get_pll(upllcon, clk_xtal->rate);
- printk("S3C2440: Clock Support, UPLL %ld.%03ld MHz\n",
- print_mhz(s3c2440_clk_upll.rate));
+ printk("S3C2440: Clock Support, UPLL %ld.%03ld MHz, DVS %s\n",
+ print_mhz(s3c2440_clk_upll.rate),
+ (camdivn & S3C2440_CAMDIVN_DVSEN) ? "on" : "off");
clk_p = clk_get(NULL, "pclk");
clk_h = clk_get(NULL, "hclk");