diff options
| author | Bob Liu <lliubbo@gmail.com> | 2012-05-17 17:15:40 +0800 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-05-21 14:54:49 +0800 |
| commit | 7c141c1c5c148419eef8972688e86e2e3115ea13 (patch) | |
| tree | 82b946e1611bcd9c090ea83bb591deb32a31a1c9 /arch/blackfin/kernel/setup.c | |
| parent | 1c40093976192c837c80f0c723394f176ca132ff (diff) | |
blackfin: bf60x: make clock changeable in kernel menuconfig
Add clock changeable support in kernel menuconfig for bf60x.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin/kernel/setup.c')
| -rw-r--r-- | arch/blackfin/kernel/setup.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index ed041541ea19..55fb42b50463 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -892,9 +892,6 @@ void __init setup_arch(char **cmdline_p) { u32 mmr; unsigned long sclk, cclk; -#ifdef CONFIG_BF60x - struct clk *clk; -#endif native_machine_early_platform_add_devices(); @@ -959,24 +956,8 @@ void __init setup_arch(char **cmdline_p) ~HYST_NONEGPIO_MASK) | HYST_NONEGPIO); #endif -#ifdef CONFIG_BF60x - clk = clk_get(NULL, "CCLK"); - if (!IS_ERR(clk)) { - cclk = clk_get_rate(clk); - clk_put(clk); - } else - cclk = 0; - - clk = clk_get(NULL, "SCLK0"); - if (!IS_ERR(clk)) { - sclk = clk_get_rate(clk); - clk_put(clk); - } else - sclk = 0; -#else cclk = get_cclk(); sclk = get_sclk(); -#endif if ((ANOMALY_05000273 || ANOMALY_05000274) && (cclk >> 1) < sclk) panic("ANOMALY 05000273 or 05000274: CCLK must be >= 2*SCLK"); @@ -1062,8 +1043,13 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); +#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); +#else printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", cclk / 1000000, sclk / 1000000); +#endif setup_bootmem_allocator(); |