summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx1/clock.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mx1/clock.c')
-rw-r--r--arch/arm/mach-mx1/clock.c31
1 files changed, 2 insertions, 29 deletions
diff --git a/arch/arm/mach-mx1/clock.c b/arch/arm/mach-mx1/clock.c
index 4bcd1ece55f5..3c464331b870 100644
--- a/arch/arm/mach-mx1/clock.c
+++ b/arch/arm/mach-mx1/clock.c
@@ -87,33 +87,6 @@ static int _clk_parent_set_rate(struct clk *clk, unsigned long rate)
return clk->parent->set_rate(clk->parent, rate);
}
-/*
- * get the system pll clock in Hz
- *
- * mfi + mfn / (mfd +1)
- * f = 2 * f_ref * --------------------
- * pd + 1
- */
-static unsigned long mx1_decode_pll(unsigned int pll, u32 f_ref)
-{
- unsigned long long ll;
- unsigned long quot;
-
- u32 mfi = (pll >> 10) & 0xf;
- u32 mfn = pll & 0x3ff;
- u32 mfd = (pll >> 16) & 0x3ff;
- u32 pd = (pll >> 26) & 0xf;
-
- mfi = mfi <= 5 ? 5 : mfi;
-
- ll = 2 * (unsigned long long)f_ref *
- ((mfi << 16) + (mfn << 16) / (mfd + 1));
- quot = (pd + 1) * (1 << 16);
- ll += quot / 2;
- do_div(ll, quot);
- return (unsigned long)ll;
-}
-
static unsigned long clk16m_get_rate(struct clk *clk)
{
return 16000000;
@@ -188,7 +161,7 @@ static struct clk prem_clk = {
static unsigned long system_clk_get_rate(struct clk *clk)
{
- return mx1_decode_pll(__raw_readl(CCM_SPCTL0),
+ return mxc_decode_pll(__raw_readl(CCM_SPCTL0),
clk_get_rate(clk->parent));
}
@@ -200,7 +173,7 @@ static struct clk system_clk = {
static unsigned long mcu_clk_get_rate(struct clk *clk)
{
- return mx1_decode_pll(__raw_readl(CCM_MPCTL0),
+ return mxc_decode_pll(__raw_readl(CCM_MPCTL0),
clk_get_rate(clk->parent));
}
OpenPOWER on IntegriCloud