diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh2a/clock-sh7203.c')
| -rw-r--r-- | arch/sh/kernel/cpu/sh2a/clock-sh7203.c | 52 |
1 files changed, 22 insertions, 30 deletions
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c index fb781329848..529f719b6e3 100644 --- a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c +++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c @@ -25,65 +25,57 @@ static const int pll1rate[]={8,12,16,0}; static const int pfc_divisors[]={1,2,3,4,6,8,12}; #define ifc_divisors pfc_divisors -#if (CONFIG_SH_CLK_MD == 0) -#define PLL2 (1) -#elif (CONFIG_SH_CLK_MD == 1) -#define PLL2 (2) -#elif (CONFIG_SH_CLK_MD == 2) -#define PLL2 (4) -#elif (CONFIG_SH_CLK_MD == 3) -#define PLL2 (4) -#else -#error "Illegal Clock Mode!" -#endif +static unsigned int pll2_mult; static void master_clk_init(struct clk *clk) { - clk->rate *= pll1rate[(ctrl_inw(FREQCR) >> 8) & 0x0003] * PLL2 ; + clk->rate *= pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0003] * pll2_mult; } -static struct clk_ops sh7203_master_clk_ops = { +static struct sh_clk_ops sh7203_master_clk_ops = { .init = master_clk_init, }; -static void module_clk_recalc(struct clk *clk) +static unsigned long module_clk_recalc(struct clk *clk) { - int idx = (ctrl_inw(FREQCR) & 0x0007); - clk->rate = clk->parent->rate / pfc_divisors[idx]; + int idx = (__raw_readw(FREQCR) & 0x0007); + return clk->parent->rate / pfc_divisors[idx]; } -static struct clk_ops sh7203_module_clk_ops = { +static struct sh_clk_ops sh7203_module_clk_ops = { .recalc = module_clk_recalc, }; -static void bus_clk_recalc(struct clk *clk) +static unsigned long bus_clk_recalc(struct clk *clk) { - int idx = (ctrl_inw(FREQCR) & 0x0007); - clk->rate = clk->parent->rate / pfc_divisors[idx-2]; + int idx = (__raw_readw(FREQCR) & 0x0007); + return clk->parent->rate / pfc_divisors[idx-2]; } -static struct clk_ops sh7203_bus_clk_ops = { +static struct sh_clk_ops sh7203_bus_clk_ops = { .recalc = bus_clk_recalc, }; -static void cpu_clk_recalc(struct clk *clk) -{ - clk->rate = clk->parent->rate; -} - -static struct clk_ops sh7203_cpu_clk_ops = { - .recalc = cpu_clk_recalc, +static struct sh_clk_ops sh7203_cpu_clk_ops = { + .recalc = followparent_recalc, }; -static struct clk_ops *sh7203_clk_ops[] = { +static struct sh_clk_ops *sh7203_clk_ops[] = { &sh7203_master_clk_ops, &sh7203_module_clk_ops, &sh7203_bus_clk_ops, &sh7203_cpu_clk_ops, }; -void __init arch_init_clk_ops(struct clk_ops **ops, int idx) +void __init arch_init_clk_ops(struct sh_clk_ops **ops, int idx) { + if (test_mode_pin(MODE_PIN1)) + pll2_mult = 4; + else if (test_mode_pin(MODE_PIN0)) + pll2_mult = 2; + else + pll2_mult = 1; + if (idx < ARRAY_SIZE(sh7203_clk_ops)) *ops = sh7203_clk_ops[idx]; } |
