diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/blackfin/kernel/setup.c | 64 |
1 files changed, 22 insertions, 42 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 55fb42b50463..d0246de347cf 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -888,6 +888,22 @@ void __init native_machine_early_platform_add_devices(void) { } +#ifdef CONFIG_BF60x +static inline u_long bfin_get_clk(char *name) +{ + struct clk *clk; + u_long clk_rate; + + clk = clk_get(NULL, name); + if (IS_ERR(clk)) + return 0; + + clk_rate = clk_get_rate(clk); + clk_put(clk); + return clk_rate; +} +#endif + void __init setup_arch(char **cmdline_p) { u32 mmr; @@ -1045,7 +1061,7 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_BF60x printk(KERN_INFO "Processor Speed: %lu MHz core clock, %lu MHz SCLk, %lu MHz SCLK0, %lu MHz SCLK1 and %lu MHz DCLK\n", - cclk / 1000000, sclk / 1000000, get_sclk0() / 1000000, get_sclk1() / 1000000, get_dclk() / 1000000); + cclk / 1000000, bfin_get_clk("SYSCLK") / 1000000, get_sclk0() / 1000000, get_sclk1() / 1000000, get_dclk() / 1000000); #else printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", cclk / 1000000, sclk / 1000000); @@ -1146,16 +1162,7 @@ static u_long get_vco(void) u_long get_cclk(void) { #ifdef CONFIG_BF60x - struct clk *cclk; - u_long cclk_rate; - - cclk = clk_get(NULL, "CCLK"); - if (IS_ERR(cclk)) - return 0; - - cclk_rate = clk_get_rate(cclk); - clk_put(cclk); - return cclk_rate; + return bfin_get_clk("CCLK"); #else static u_long cached_cclk_pll_div, cached_cclk; u_long csel, ssel; @@ -1184,53 +1191,26 @@ EXPORT_SYMBOL(get_cclk); /* Get the bf60x clock of SCLK0 domain */ u_long get_sclk0(void) { - struct clk *sclk0; - u_long sclk0_rate; - - sclk0 = clk_get(NULL, "SCLK0"); - if (IS_ERR(sclk0)) - return 0; - - sclk0_rate = clk_get_rate(sclk0); - clk_put(sclk0); - return sclk0_rate; + return bfin_get_clk("SCLK0"); } EXPORT_SYMBOL(get_sclk0); /* Get the bf60x clock of SCLK1 domain */ u_long get_sclk1(void) { - struct clk *sclk1; - u_long sclk1_rate; - - sclk1 = clk_get(NULL, "SCLK1"); - if (IS_ERR(sclk1)) - return 0; - - sclk1_rate = clk_get_rate(sclk1); - clk_put(sclk1); - return sclk1_rate; + return bfin_get_clk("SCLK1"); } EXPORT_SYMBOL(get_sclk1); /* Get the bf60x DRAM clock */ u_long get_dclk(void) { - struct clk *dclk; - u_long dclk_rate; - - dclk = clk_get(NULL, "DCLK"); - if (IS_ERR(dclk)) - return 0; - - dclk_rate = clk_get_rate(dclk); - clk_put(dclk); - return dclk_rate; + return bfin_get_clk("DCLK"); } EXPORT_SYMBOL(get_dclk); #endif -/* Get the System clock */ +/* Get the default system clock */ u_long get_sclk(void) { #ifdef CONFIG_BF60x |