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authorPaul Mundt <lethal@linux-sh.org>2010-11-01 12:18:48 -0400
committerPaul Mundt <lethal@linux-sh.org>2010-11-09 16:40:00 +0900
commit16b259203c513ed28bd31cc9a981e0d3ad517943 (patch)
treed29600ee92f96a8f9bcf9e3d91e001ea8e09015c /arch/sh/kernel/cpu/sh2a/clock-sh7206.c
parenta7bcf21e60c73cb7f7c13fad928967d7e47c3cac (diff)
sh: migrate SH_CLK_MD to mode pin API.
This kills off the hardcoded SH_CLK_MD introduced by the SH-2 boards and converts over to the mode pin API. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh2a/clock-sh7206.c')
-rw-r--r--arch/sh/kernel/cpu/sh2a/clock-sh7206.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7206.c b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
index b27a5e2687a..3c314d7cd6e 100644
--- a/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
@@ -22,19 +22,11 @@ static const int pll1rate[]={1,2,3,4,6,8};
static const int pfc_divisors[]={1,2,3,4,6,8,12};
#define ifc_divisors pfc_divisors
-#if (CONFIG_SH_CLK_MD == 2)
-#define PLL2 (4)
-#elif (CONFIG_SH_CLK_MD == 6)
-#define PLL2 (2)
-#elif (CONFIG_SH_CLK_MD == 7)
-#define PLL2 (1)
-#else
-#error "Illigal Clock Mode!"
-#endif
+static unsigned int pll2_mult;
static void master_clk_init(struct clk *clk)
{
- clk->rate *= PLL2 * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007];
+ clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007];
}
static struct clk_ops sh7206_master_clk_ops = {
@@ -79,7 +71,13 @@ static struct clk_ops *sh7206_clk_ops[] = {
void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
{
+ if (test_mode_pin(MODE_PIN2 | MODE_PIN1 | MODE_PIN0))
+ pll2_mult = 1;
+ else if (test_mode_pin(MODE_PIN2 | MODE_PIN1))
+ pll2_mult = 2;
+ else if (test_mode_pin(MODE_PIN1))
+ pll2_mult = 4;
+
if (idx < ARRAY_SIZE(sh7206_clk_ops))
*ops = sh7206_clk_ops[idx];
}
-