diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Kconfig | 3 | ||||
| -rw-r--r-- | arch/sh/kernel/setup.c | 20 |
2 files changed, 22 insertions, 1 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index c5b08eb3770e..bbdcd6418ef5 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -25,6 +25,7 @@ config SUPERH32 config SUPERH64 def_bool y if CPU_SH5 + select GENERIC_CALIBRATE_DELAY config ARCH_DEFCONFIG string @@ -57,7 +58,7 @@ config GENERIC_IRQ_PROBE def_bool y config GENERIC_CALIBRATE_DELAY - def_bool y + bool config GENERIC_IOMAP bool diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index fc098c8af052..267b344099c0 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -27,6 +27,8 @@ #include <linux/debugfs.h> #include <linux/crash_dump.h> #include <linux/mmzone.h> +#include <linux/clk.h> +#include <linux/delay.h> #include <asm/uaccess.h> #include <asm/io.h> #include <asm/page.h> @@ -180,6 +182,24 @@ static inline void __init reserve_crashkernel(void) {} #endif +#ifndef CONFIG_GENERIC_CALIBRATE_DELAY +void __cpuinit calibrate_delay(void) +{ + struct clk *clk = clk_get(NULL, "cpu_clk"); + + if (IS_ERR(clk)) + panic("Need a sane CPU clock definition!"); + + loops_per_jiffy = (clk_get_rate(clk) >> 1) / HZ; + + printk(KERN_INFO "Calibrating delay loop (skipped)... " + "%lu.%02lu BogoMIPS PRESET (lpj=%lu)\n", + loops_per_jiffy/(500000/HZ), + (loops_per_jiffy/(5000/HZ)) % 100, + loops_per_jiffy); +} +#endif + void __init __add_active_range(unsigned int nid, unsigned long start_pfn, unsigned long end_pfn) { |