X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Ftimer%2FKconfig;h=96cc49273f4d89600893e8808dcfef77849a0b97;hb=642e8487ec629b43b1c5caf846098bfc952be5c0;hp=d012cf71a96a5e28282006ce7e1d973469d9def2;hpb=6ce383640cf09d0fff9d6bddccf81dd37b2f344f;p=oweals%2Fu-boot.git diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig index d012cf71a9..96cc49273f 100644 --- a/drivers/timer/Kconfig +++ b/drivers/timer/Kconfig @@ -40,6 +40,12 @@ config TIMER_EARLY use an early timer. These functions must be supported by your timer driver: timer_early_get_count() and timer_early_get_rate(). +config AG101P_TIMER + bool "AG101P timer support" + depends on TIMER && NDS32 + help + Select this to enable a timer for AG01P devices. + config ALTERA_TIMER bool "Altera timer support" depends on TIMER @@ -47,6 +53,34 @@ config ALTERA_TIMER Select this to enable a timer for Altera devices. Please find details on the "Embedded Peripherals IP User Guide" of Altera. +config ARC_TIMER + bool "ARC timer support" + depends on TIMER && ARC && CLK + help + Select this to enable built-in ARC timers. + ARC cores may have up to 2 built-in timers: timer0 and timer1, + usually at least one of them exists. Either of them is supported + in U-Boot. + +config AST_TIMER + bool "Aspeed ast2400/ast2500 timer support" + depends on TIMER + default y if ARCH_ASPEED + help + Select this to enable timer for Aspeed ast2400/ast2500 devices. + This is a simple sys timer driver, it is compatible with lib/time.c, + but does not support any interrupts. Even though SoC has 8 hardware + counters, they are all treated as a single device by this driver. + This is mostly because they all share several registers which + makes it difficult to completely separate them. + +config ATCPIT100_TIMER + bool "ATCPIT100 timer support" + depends on TIMER + help + Select this to enable a ATCPIT100 timer which will be embedded + in AE3XX, AE250 boards. + config ATMEL_PIT_TIMER bool "Atmel periodic interval timer support" depends on TIMER @@ -69,18 +103,19 @@ config DESIGNWARE_APB_TIMER Enables support for the Designware APB Timer driver. This timer is present on Altera SoCFPGA SoCs. -config SANDBOX_TIMER - bool "Sandbox timer support" - depends on SANDBOX && TIMER +config MPC83XX_TIMER + bool "MPC83xx timer support" + depends on TIMER help - Select this to enable an emulated timer for sandbox. It gets - time from host os. + Select this to enable support for the timer found on + devices based on the MPC83xx family of SoCs. -config X86_TSC_TIMER - bool "x86 Time-Stamp Counter (TSC) timer support" - depends on TIMER && X86 +config RENESAS_OSTM_TIMER + bool "Renesas RZ/A1 R7S72100 OSTM Timer" + depends on TIMER help - Select this to enable Time-Stamp Counter (TSC) timer for x86. + Enables support for the Renesas OSTM Timer driver. + This timer is present on Renesas RZ/A1 R7S72100 SoCs. config X86_TSC_TIMER_EARLY_FREQ int "x86 TSC timer frequency in MHz when used as the early timer" @@ -98,17 +133,26 @@ config OMAP_TIMER help Select this to enable an timer for Omap devices. -config AST_TIMER - bool "Aspeed ast2400/ast2500 timer support" +config RISCV_TIMER + bool "RISC-V timer support" + depends on TIMER && RISCV + help + Select this to enable support for the timer as defined + by the RISC-V privileged architecture spec. + +config ROCKCHIP_TIMER + bool "Rockchip timer support" depends on TIMER - default y if ARCH_ASPEED help - Select this to enable timer for Aspeed ast2400/ast2500 devices. - This is a simple sys timer driver, it is compatible with lib/time.c, - but does not support any interrupts. Even though SoC has 8 hardware - counters, they are all treated as a single device by this driver. - This is mostly because they all share several registers which - makes it difficult to completely separate them. + Select this to enable support for the timer found on + Rockchip devices. + +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 STI_TIMER bool "STi timer support" @@ -117,47 +161,47 @@ config STI_TIMER help Select this to enable a timer for STi devices. -config ARC_TIMER - bool "ARC timer support" - depends on TIMER && ARC && CLK +config STM32_TIMER + bool "STM32 timer support" + depends on TIMER help - Select this to enable built-in ARC timers. - ARC cores may have up to 2 built-in timers: timer0 and timer1, - usually at least one of them exists. Either of them is supported - in U-Boot. + Select this to enable support for the timer found on + STM32 devices. -config AG101P_TIMER - bool "AG101P timer support" - depends on TIMER && NDS32 +config X86_TSC_TIMER + bool "x86 Time-Stamp Counter (TSC) timer support" + depends on TIMER && X86 help - Select this to enable a timer for AG01P devices. + Select this to enable Time-Stamp Counter (TSC) timer for x86. -config ATCPIT100_TIMER - bool "ATCPIT100 timer support" - depends on TIMER +config X86_TSC_READ_BASE + bool "Read the TSC timer base on start-up" + depends on X86_TSC_TIMER help - Select this to enable a ATCPIT100 timer which will be embeded - in AE3XX, AE250 boards. + On x86 platforms the TSC timer tick starts at the value 0 on reset. + This it makes no sense to read the timer on boot and use that as the + base, since we will miss some time taken to load U-Boot, etc. This + delay is controlled by the SoC and we cannot reduce it, but for + bootstage we want to record the time since reset as accurately as + possible. -config ROCKCHIP_TIMER - bool "Rockchip timer support" - depends on TIMER - help - Select this to enable support for the timer found on - Rockchip devices. + The only exception is when U-Boot is used as a secondary bootloader, + where this option should be enabled. -config STM32_TIMER - bool "STM32 timer support" - depends on TIMER +config TPL_X86_TSC_TIMER_NATIVE + bool "x86 TSC timer uses native calibration" + depends on TPL && X86_TSC_TIMER help - Select this to enable support for the timer found on - STM32 devices. + Selects native timer calibration for TPL and don't include the other + methods in the code. This helps to reduce code size in TPL and works + on fairly modern Intel chips. Code-size reductions is about 700 + bytes. -config MPC83XX_TIMER - bool "MPC83xx timer support" +config MTK_TIMER + bool "MediaTek timer support" depends on TIMER help Select this to enable support for the timer found on - devices based on the MPC83xx family of SoCs. + MediaTek devices. endmenu