menu "Timer Support" config TIMER bool "Enable driver model for timer drivers" depends on DM help Enable driver model for timer access. It uses the same API as lib/time.c, but now implemented by the uclass. The first timer will be used. The timer is usually a 32 bits free-running up counter. There may be no real tick, and no timer interrupt. config TIMER_EARLY bool "Allow timer to be used early in U-Boot" depends on TIMER help In some cases the timer must be accessible before driver model is active. Examples include when using CONFIG_TRACE to trace U-Boot's execution before driver model is set up. Enable this option to use an early timer. These functions must be supported by your timer driver: timer_early_get_count() and timer_early_get_rate(). config ALTERA_TIMER bool "Altera timer support" depends on TIMER help Select this to enable a timer for Altera devices. Please find details on the "Embedded Peripherals IP User Guide" of Altera. config SANDBOX_TIMER bool "Sandbox timer support" depends on SANDBOX && TIMER help Select this to enable an emulated timer for sandbox. It gets time from host os. config X86_TSC_TIMER bool "x86 Time-Stamp Counter (TSC) timer support" depends on TIMER && X86 default y if X86 help Select this to enable Time-Stamp Counter (TSC) timer for x86. config OMAP_TIMER bool "Omap timer support" depends on TIMER help Select this to enable an timer for Omap devices. endmenu