diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh2/clock-sh7619.c')
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/clock-sh7619.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/arch/sh/kernel/cpu/sh2/clock-sh7619.c b/arch/sh/kernel/cpu/sh2/clock-sh7619.c index 4fe863170e3..5b7f12e58a8 100644 --- a/arch/sh/kernel/cpu/sh2/clock-sh7619.c +++ b/arch/sh/kernel/cpu/sh2/clock-sh7619.c @@ -14,24 +14,18 @@ */ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/io.h> #include <asm/clock.h> #include <asm/freq.h> -#include <asm/io.h> +#include <asm/processor.h> static const int pll1rate[] = {1,2}; static const int pfc_divisors[] = {1,2,0,4}; - -#if (CONFIG_SH_CLK_MD == 1) || (CONFIG_SH_CLK_MD == 2) -#define PLL2 (4) -#elif (CONFIG_SH_CLK_MD == 5) || (CONFIG_SH_CLK_MD == 6) -#define PLL2 (2) -#else -#error "Illigal Clock Mode!" -#endif +static unsigned int pll2_mult; static void master_clk_init(struct clk *clk) { - clk->rate *= PLL2 * pll1rate[(ctrl_inw(FREQCR) >> 8) & 7]; + clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 7]; } static struct clk_ops sh7619_master_clk_ops = { @@ -40,7 +34,7 @@ static struct clk_ops sh7619_master_clk_ops = { static unsigned long module_clk_recalc(struct clk *clk) { - int idx = (ctrl_inw(FREQCR) & 0x0007); + int idx = (__raw_readw(FREQCR) & 0x0007); return clk->parent->rate / pfc_divisors[idx]; } @@ -50,7 +44,7 @@ static struct clk_ops sh7619_module_clk_ops = { static unsigned long bus_clk_recalc(struct clk *clk) { - return clk->parent->rate / pll1rate[(ctrl_inw(FREQCR) >> 8) & 7]; + return clk->parent->rate / pll1rate[(__raw_readw(FREQCR) >> 8) & 7]; } static struct clk_ops sh7619_bus_clk_ops = { @@ -70,6 +64,14 @@ static struct clk_ops *sh7619_clk_ops[] = { void __init arch_init_clk_ops(struct clk_ops **ops, int idx) { + if (test_mode_pin(MODE_PIN2 | MODE_PIN0) || + test_mode_pin(MODE_PIN2 | MODE_PIN1)) + pll2_mult = 2; + else if (test_mode_pin(MODE_PIN0) || test_mode_pin(MODE_PIN1)) + pll2_mult = 4; + + BUG_ON(!pll2_mult); + if (idx < ARRAY_SIZE(sh7619_clk_ops)) *ops = sh7619_clk_ops[idx]; } |