diff options
Diffstat (limited to 'arch/arm/plat-omap/common.c')
| -rw-r--r-- | arch/arm/plat-omap/common.c | 64 |
1 files changed, 61 insertions, 3 deletions
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c index 4f0f9c4e938e..bd1cef2c3c14 100644 --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c @@ -27,11 +27,16 @@ #include <asm/setup.h> #include <asm/arch/board.h> +#include <asm/arch/control.h> #include <asm/arch/mux.h> #include <asm/arch/fpga.h> #include <asm/arch/clock.h> +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) +# include "../mach-omap2/sdrc.h" +#endif + #define NO_LENGTH_CHECK 0xffffffff unsigned char omap_bootloader_tag[512]; @@ -171,8 +176,8 @@ console_initcall(omap_add_serial_console); #if defined(CONFIG_ARCH_OMAP16XX) #define TIMER_32K_SYNCHRONIZED 0xfffbc410 -#elif defined(CONFIG_ARCH_OMAP24XX) -#define TIMER_32K_SYNCHRONIZED (OMAP24XX_32KSYNCT_BASE + 0x10) +#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) +#define TIMER_32K_SYNCHRONIZED (OMAP2_32KSYNCT_BASE + 0x10) #endif #ifdef TIMER_32K_SYNCHRONIZED @@ -193,12 +198,35 @@ static struct clocksource clocksource_32k = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +/* + * Rounds down to nearest nsec. + */ +unsigned long long omap_32k_ticks_to_nsecs(unsigned long ticks_32k) +{ + return cyc2ns(&clocksource_32k, ticks_32k); +} + +/* + * Returns current time from boot in nsecs. It's OK for this to wrap + * around for now, as it's just a relative time stamp. + */ +unsigned long long sched_clock(void) +{ + return omap_32k_ticks_to_nsecs(omap_32k_read()); +} + static int __init omap_init_clocksource_32k(void) { static char err[] __initdata = KERN_ERR "%s: can't register clocksource!\n"; - if (cpu_is_omap16xx() || cpu_is_omap24xx()) { + if (cpu_is_omap16xx() || cpu_class_is_omap2()) { + struct clk *sync_32k_ick; + + sync_32k_ick = clk_get(NULL, "omap_32ksync_ick"); + if (sync_32k_ick) + clk_enable(sync_32k_ick); + clocksource_32k.mult = clocksource_hz2mult(32768, clocksource_32k.shift); @@ -210,3 +238,33 @@ static int __init omap_init_clocksource_32k(void) arch_initcall(omap_init_clocksource_32k); #endif /* TIMER_32K_SYNCHRONIZED */ + +/* Global address base setup code */ + +#if defined(CONFIG_ARCH_OMAP2420) +void __init omap2_set_globals_242x(void) +{ + omap2_sdrc_base = OMAP2420_SDRC_BASE; + omap2_sms_base = OMAP2420_SMS_BASE; + omap_ctrl_base_set(OMAP2420_CTRL_BASE); +} +#endif + +#if defined(CONFIG_ARCH_OMAP2430) +void __init omap2_set_globals_243x(void) +{ + omap2_sdrc_base = OMAP243X_SDRC_BASE; + omap2_sms_base = OMAP243X_SMS_BASE; + omap_ctrl_base_set(OMAP243X_CTRL_BASE); +} +#endif + +#if defined(CONFIG_ARCH_OMAP3430) +void __init omap2_set_globals_343x(void) +{ + omap2_sdrc_base = OMAP343X_SDRC_BASE; + omap2_sms_base = OMAP343X_SMS_BASE; + omap_ctrl_base_set(OMAP343X_CTRL_BASE); +} +#endif + |