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c9297d2841
linux_dsm_epyc7002/drivers/clocksource/Kconfig
Linus Torvalds c9297d2841 This tag contains the core nds32 Linux port(including interrupt controller 
driver and timer driver), which has been through 7 rounds of review on mailing
 list.
 
 It is able to boot to shell and passes most LTP-2017 testsuites in nds32 AE3XX
 platform.
 Total Tests: 1901
 Total Skipped Tests: 618
 Total Failures: 78
 
 Copied below is the ChangeLog that contains the history of this patch set:
 Changes in v7:
  - Update cpu binding document to add "andestech,nds32v3" as fallback
  - Remove unnecessary configs of arch/nds32/Kconfig
  - Use GENERIC_CALIBRATE_DELAY
  - Add more help texts for minimum CPU type config
  - Update defconfig because of Kconfig changed and bug fixed
  - Move early_trap_init() declaration to nds32.h
  - Refine dma.c
  - Remove apply_relocate() in module.c and include <linux/moduleloader.h> to catch it
  - Add do_kernel_restart() in machine_restart()
  - Clean up setup.c to remove CONFIG_VGA_CONSOLE and some extern declaration functions
  - Add negative dependency for VGA_CONSOLE on nds32
  - Refine ptrace.c and arch/nds32/include/asm/ptrace.h
  - Refine syscall restart flow and arch/nds32/kernel/signal.c
  - Fix a bug in VDSO
  - Remove the handling for kernel code unaligned accessing
  - Add a description for unaligned access handling in git commit message.
  - Rebase to v4.16-rc1
  - Replace ACCESS_ONCE with READ_ONCE
  - Replace atomic_long_dec(&mm->nr_ptes) with mm_dec_nr_ptes(mm)
  - Remove print_symbol(%s) with printk(%pS)
  - Add bpf_perf_event.h
  - Remove init_stack and init_thread_info
 
 Changes in v6:
  - Refine naming for atl2c
  - Refine ae3xx.dts
  - Remove CONFIG_TIMER_ATCPIT100 in defconfig
  - Refine elf.h
  - Fix a vdso bug
  - Separate arch patchset and timer patchset
  - To select TIMER_OF in drivers/clocksource/Kconfig instead of arch/nds32/Kconfig
 
 Changes in v5:
  - Remove __NR__llseek  and sys_mmap()
  - Add a comment to explain that we don't have clocksource cycle counter in the CPU
  - Add volatile in iounmap()
  - Fix typo Featuretures to Features
  - Replace CPU_CACHE_NONALIASING with !CPU_CACHE_ALIASING
  - Fix a endian bug when we try to get val = of_get_property(cpu,"clock-frequency", NULL)
  - Add screen_info to fix the building error when CONFIG_ VGA_CONSOLE is enabled
  - Remove unnecessary msync()
  - Add depends on !64BIT || BROKEN for faraday Kconfig because the descriptor only supports 32bit
  - Add atl2c binding document
  - Remove unnecessary include headers
  - Fix a vector table bug. It placed wrong vector handlers for 2 exceptions.
  - Fix a vdso bug. It may encounter TLB multi-hit exception because we accidently set it as a global page.
  - Add proper isb and barrier after some cache operations
  - Fix a bug in system call restart flow. $r0 ~ $r5 does not be recovered before restarting system call
  - Fix the build errors for OpenRISC and SPARC because io.h changed.
  - Update ae3xx.dts to support atl2c.
 
 Changes in v4:
  - Add atcpit100 timer driver due to it include vdso implementations and sent
    them together with nds32 may help reviewer to review.
  - Update ae3xx.dts for atcpit100 clock setting and remove vdso settings.
  - To get cycle counter register by timer driver instead of dts.
  - Use "depends on NDS32 || COMPILE_TEST" in atcpit100 driver because it is needed for nds32 vdso
  - Update defconfig becasue kconfig rename from CONFIG_CLKSRC_ATCPIT100 to CONFIG_TIMER_ATCPIT100
  - Remove ag101p.dts because we are not yet ready for ag101p platform.
  - Update copyright style to SPDX-License-Identifier
  - Include <linux/uaccess.h> instead of <asm/uaccess.h>
  - Add local_irq_save()/local_irq_restore() to protect SR_TLB_VPN in update_mmu_cache().
  - Update cpu_dcache_inval_all implementation to make sure all level cache are writeback.
 
 Changes in v3:
  - Use arch's io.h instead of generic one
  - Add andestech-boards binding document
  - Update nds32/cpus.txt binding document
  - Remove atcpit100 timer drivers
  - Select NO_BOOTMEM and delete HAVE_MEMBLOCK_NODE_MAP
  - make CPU_BIG_ENDIAN and CPU_LITTLE_ENDIAN are dependent
  - Add cpu type to select HWZOL/CPU_CACHE_ALIASING
  - Change CPU_CACHE_NONALIASING to CPU_CACHE_ALIASING
  - Remove bootarg from device tree script
  - Update ag101p.dts and ae3xx.dts for correct board name.
  - Clear and simplify defconfig
  - Implement L2C_R_REG/ L2C_W_REG with readl/writel instead of __raw_readl/__raw_writel for endian save
  - Remove early_init_dt_add_memory_arch/early_init_dt_alloc_memory_arch to use the generic ones
  - Refine devicetree.c
  - Fix bug https://lkml.kernel.org/r/1499782590-31366-1-git-send-ema...
  - Refine irqchip/irq-ativic32.c implementations
  - Add COMPILE_TEST in drivers/net/ethernet/faraday/Kconfig
  - Refine cache operations
  - Add CONFIG_HW_SUPPORT_UNALIGNMENT_ACCESS
  - Fix ZERO_PAGE define
  - Remove SA_RESTORER
  - Remove uapi/asm/signal.h
  - Redefine user_pt_regs
  - Remove spinlock.h
  - Remove __ARCH_WANT_RENAMEAT and __ARCH_WANT_SYSCALL_OFF_T from unistd.h
  - Remove set_fs(USER_DS) because flush_old_exec() will do this setting
  - Replace in_atomic() with faulthandler_disabled()
  - Add barrier.h
  - Select COMMON_CLK
  - Add clk_pll in dts
  - Add of_clk_init() in arch/nds32/kernel/time.c
 
 Changes in v2:
  - Set GENERIC_CALIBRATE_DELAY default n
  - Add earlycon support
  - Remove earlyprintk
  - Add CPU_BIG_ENDIAN, CPU_LITTLE_ENDIAN support
  - Refine unalignment access exception handler
  - Add VMSPLIT support
  - Use only one defconfig
  - Change interrupt-cells from 2 to 1
  - Refine andestech cpu names in bindings/nds32/cpus.txt
  - Get clock frequency in dts because fpga bitmap doesn't include this feature
  - Update MAINTAINERS for bindings
  - Remove unused configs in Kconfig
  - Refine device tree scripts
  - Refine coding style
  - Use generic ioremap_nocache
  - Remove L2CC_PA_BASE define and its codes in head.S. It will be moved to bootloader.
  - Set PHYS_OFFSET to 0x0 instead of CONFIG_MEMORY_START
  - Remove unused macros
  - Simplify cpu_cache_* API
  - Change __asm__ __volatile__ to asm volatile
  - Refine uaccess.h
  - Remove unused/deprecated syscall
  - Use generic posix_types.h
  - Remove arch_trace_hardirqs_on/arch_trace_hardirqs_off
  - Fix bug of restart syscall
  - Refine syscall implementations
  - Use IS_ENABLED to replace ifdef as possible
  - Remove device_initcall(nds32_device_probe)
  - Refine vdso implementations
  - Refine copy_from_user()/copy_to_user()/clear_user()/get_user()/memmove()/memcpy()
  - Refine ioremap.c
  - Refine irq-ativic32.c
  - Fix a bug of earlycon.c
  - Export ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt
  - Add atcpit100 driver
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Merge tag 'nds32-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux

Pull nds32 architecture support from Greentime Hu:
 "This contains the core nds32 Linux port (including interrupt
  controller driver and timer driver), which has been through seven
  rounds of review on mailing list.

  It is able to boot to shell and passes most LTP-2017 testsuites in
  nds32 AE3XX platform:

    Total Tests: 1901
    Total Skipped Tests: 618
    Total Failures: 78"

Reviewed-by: Arnd Bergmann <arnd@arndb.de>

* tag 'nds32-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux: (44 commits)
  nds32: To use the generic dump_stack()
  nds32: fix building failed if using elf toolchain.
  nios2: add ioremap_nocache declaration before include asm-generic/io.h.
  nds32: fix building failed if using older version gcc.
  dt-bindings: timer: Add andestech atcpit100 timer binding doc
  clocksource/drivers/atcpit100: VDSO support
  clocksource/drivers/atcpit100: Add andestech atcpit100 timer
  net: faraday add nds32 support.
  irqchip: Andestech Internal Vector Interrupt Controller driver
  dt-bindings: interrupt-controller: Andestech Internal Vector Interrupt Controller
  dt-bindings: nds32 SoC Bindings
  dt-bindings: nds32 L2 cache controller Bindings
  dt-bindings: nds32 CPU Bindings
  MAINTAINERS: Add nds32
  nds32: Build infrastructure
  nds32: defconfig
  nds32: Miscellaneous header files
  nds32: Device tree support
  nds32: Generic timers support
  nds32: Loadable modules
  ...
2018-04-02 19:41:08 -07:00

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menu "Clock Source drivers"
depends on GENERIC_CLOCKEVENTS
config TIMER_OF
bool
select TIMER_PROBE
config TIMER_ACPI
bool
select TIMER_PROBE
config TIMER_PROBE
bool
config CLKSRC_I8253
bool
config CLKEVT_I8253
bool
config I8253_LOCK
bool
config CLKBLD_I8253
def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
config CLKSRC_MMIO
bool
config BCM2835_TIMER
bool "BCM2835 timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables the support for the BCM2835 timer driver.
config BCM_KONA_TIMER
bool "BCM mobile timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables the support for the BCM Kona mobile timer driver.
config DIGICOLOR_TIMER
bool "Digicolor timer driver" if COMPILE_TEST
select CLKSRC_MMIO
depends on HAS_IOMEM
help
Enables the support for the digicolor timer driver.
config DW_APB_TIMER
bool "DW APB timer driver" if COMPILE_TEST
help
Enables the support for the dw_apb timer.
config DW_APB_TIMER_OF
bool
select DW_APB_TIMER
select TIMER_OF
config FTTMR010_TIMER
bool "Faraday Technology timer driver" if COMPILE_TEST
depends on HAS_IOMEM
select CLKSRC_MMIO
select TIMER_OF
select MFD_SYSCON
help
Enables support for the Faraday Technology timer block
FTTMR010.
config ROCKCHIP_TIMER
bool "Rockchip timer driver" if COMPILE_TEST
depends on ARM || ARM64
select TIMER_OF
select CLKSRC_MMIO
help
Enables the support for the rockchip timer driver.
config ARMADA_370_XP_TIMER
bool "Armada 370 and XP timer driver" if COMPILE_TEST
depends on ARM
select TIMER_OF
select CLKSRC_MMIO
help
Enables the support for the Armada 370 and XP timer driver.
config MESON6_TIMER
bool "Meson6 timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables the support for the Meson6 timer driver.
config ORION_TIMER
bool "Orion timer driver" if COMPILE_TEST
depends on ARM
select TIMER_OF
select CLKSRC_MMIO
help
Enables the support for the Orion timer driver
config OWL_TIMER
bool "Owl timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables the support for the Actions Semi Owl timer driver.
config SUN4I_TIMER
bool "Sun4i timer driver" if COMPILE_TEST
depends on HAS_IOMEM
select CLKSRC_MMIO
select TIMER_OF
help
Enables support for the Sun4i timer.
config SUN5I_HSTIMER
bool "Sun5i timer driver" if COMPILE_TEST
select CLKSRC_MMIO
depends on COMMON_CLK
help
Enables support the Sun5i timer.
config TEGRA_TIMER
bool "Tegra timer driver" if COMPILE_TEST
select CLKSRC_MMIO
depends on ARM
help
Enables support for the Tegra driver.
config VT8500_TIMER
bool "VT8500 timer driver" if COMPILE_TEST
depends on HAS_IOMEM
help
Enables support for the VT8500 driver.
config CADENCE_TTC_TIMER
bool "Cadence TTC timer driver" if COMPILE_TEST
depends on COMMON_CLK
help
Enables support for the cadence ttc driver.
config ASM9260_TIMER
bool "ASM9260 timer driver" if COMPILE_TEST
select CLKSRC_MMIO
select TIMER_OF
help
Enables support for the ASM9260 timer.
config CLKSRC_NOMADIK_MTU
bool "Nomakdik clocksource driver" if COMPILE_TEST
depends on ARM
select CLKSRC_MMIO
help
Support for Multi Timer Unit. MTU provides access
to multiple interrupt generating programmable
32-bit free running decrementing counters.
config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
bool
depends on CLKSRC_NOMADIK_MTU
help
Use the Multi Timer Unit as the sched_clock.
config CLKSRC_DBX500_PRCMU
bool "Clocksource PRCMU Timer" if COMPILE_TEST
depends on HAS_IOMEM
help
Use the always on PRCMU Timer as clocksource
config CLPS711X_TIMER
bool "Cirrus logic timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables support for the Cirrus Logic PS711 timer.
config ATLAS7_TIMER
bool "Atlas7 timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables support for the Atlas7 timer.
config MXS_TIMER
bool "Mxs timer driver" if COMPILE_TEST
select CLKSRC_MMIO
select STMP_DEVICE
help
Enables support for the Mxs timer.
config PRIMA2_TIMER
bool "Prima2 timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables support for the Prima2 timer.
config U300_TIMER
bool "U300 timer driver" if COMPILE_TEST
depends on ARM
select CLKSRC_MMIO
help
Enables support for the U300 timer.
config NSPIRE_TIMER
bool "NSpire timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables support for the Nspire timer.
config KEYSTONE_TIMER
bool "Keystone timer driver" if COMPILE_TEST
depends on ARM || ARM64
select CLKSRC_MMIO
help
Enables support for the Keystone timer.
config INTEGRATOR_AP_TIMER
bool "Integrator-ap timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables support for the Integrator-ap timer.
config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
bool "Clocksource PRCMU Timer sched_clock"
depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
default y
help
Use the always on PRCMU Timer as sched_clock
config CLKSRC_EFM32
bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
select CLKSRC_MMIO
default ARCH_EFM32
help
Support to use the timers of EFM32 SoCs as clock source and clock
event device.
config CLKSRC_LPC32XX
bool "Clocksource for LPC32XX" if COMPILE_TEST
depends on HAS_IOMEM
depends on ARM
select CLKSRC_MMIO
select TIMER_OF
help
Support for the LPC32XX clocksource.
config CLKSRC_PISTACHIO
bool "Clocksource for Pistachio SoC" if COMPILE_TEST
depends on HAS_IOMEM
select TIMER_OF
help
Enables the clocksource for the Pistachio SoC.
config CLKSRC_TI_32K
bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
depends on GENERIC_SCHED_CLOCK
select TIMER_OF if OF
help
This option enables support for Texas Instruments 32.768 Hz clocksource
available on many OMAP-like platforms.
config CLKSRC_NPS
bool "NPS400 clocksource driver" if COMPILE_TEST
depends on !PHYS_ADDR_T_64BIT
select CLKSRC_MMIO
select TIMER_OF if OF
help
NPS400 clocksource support.
Got 64 bit counter with update rate up to 1000MHz.
This counter is accessed via couple of 32 bit memory mapped registers.
config CLKSRC_STM32
bool "Clocksource for STM32 SoCs" if !ARCH_STM32
depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
select CLKSRC_MMIO
select TIMER_OF
config CLKSRC_MPS2
bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
depends on GENERIC_SCHED_CLOCK
select CLKSRC_MMIO
select TIMER_OF
config ARC_TIMERS
bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
select TIMER_OF
help
These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
(ARC700 as well as ARC HS38).
TIMER0 serves as clockevent while TIMER1 provides clocksource
config ARC_TIMERS_64BIT
bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
depends on ARC_TIMERS
select TIMER_OF
help
This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP)
RTC is implemented inside the core, while GFRC sits outside the core in
ARConnect IP block. Driver automatically picks one of them for clocksource
as appropriate.
config ARM_ARCH_TIMER
bool
select TIMER_OF if OF
select TIMER_ACPI if ACPI
config ARM_ARCH_TIMER_EVTSTREAM
bool "Enable ARM architected timer event stream generation by default"
default y if ARM_ARCH_TIMER
depends on ARM_ARCH_TIMER
help
This option enables support by default for event stream generation
based on the ARM architected timer. It is used for waking up CPUs
executing the wfe instruction at a frequency represented as a
power-of-2 divisor of the clock rate. The behaviour can also be
overridden on the command line using the
clocksource.arm_arch_timer.evtstream parameter.
The main use of the event stream is wfe-based timeouts of userspace
locking implementations. It might also be useful for imposing timeout
on wfe to safeguard against any programming errors in case an expected
event is not generated.
This must be disabled for hardware validation purposes to detect any
hardware anomalies of missing events.
config ARM_ARCH_TIMER_OOL_WORKAROUND
bool
config FSL_ERRATUM_A008585
bool "Workaround for Freescale/NXP Erratum A-008585"
default y
depends on ARM_ARCH_TIMER && ARM64
select ARM_ARCH_TIMER_OOL_WORKAROUND
help
This option enables a workaround for Freescale/NXP Erratum
A-008585 ("ARM generic timer may contain an erroneous
value"). The workaround will only be active if the
fsl,erratum-a008585 property is found in the timer node.
config HISILICON_ERRATUM_161010101
bool "Workaround for Hisilicon Erratum 161010101"
default y
select ARM_ARCH_TIMER_OOL_WORKAROUND
depends on ARM_ARCH_TIMER && ARM64
help
This option enables a workaround for Hisilicon Erratum
161010101. The workaround will be active if the hisilicon,erratum-161010101
property is found in the timer node.
config ARM64_ERRATUM_858921
bool "Workaround for Cortex-A73 erratum 858921"
default y
select ARM_ARCH_TIMER_OOL_WORKAROUND
depends on ARM_ARCH_TIMER && ARM64
help
This option enables a workaround applicable to Cortex-A73
(all versions), whose counter may return incorrect values.
The workaround will be dynamically enabled when an affected
core is detected.
config ARM_GLOBAL_TIMER
bool "Support for the ARM global timer" if COMPILE_TEST
select TIMER_OF if OF
depends on ARM
help
This options enables support for the ARM global timer unit
config ARM_TIMER_SP804
bool "Support for Dual Timer SP804 module"
depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
select CLKSRC_MMIO
select TIMER_OF if OF
config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
bool
depends on ARM_GLOBAL_TIMER
default y
help
Use ARM global timer clock source as sched_clock
config ARMV7M_SYSTICK
bool "Support for the ARMv7M system time" if COMPILE_TEST
select TIMER_OF if OF
select CLKSRC_MMIO
help
This options enables support for the ARMv7M system timer unit
config ATMEL_PIT
select TIMER_OF if OF
def_bool SOC_AT91SAM9 || SOC_SAMA5
config ATMEL_ST
bool "Atmel ST timer support" if COMPILE_TEST
depends on HAS_IOMEM
select TIMER_OF
select MFD_SYSCON
help
Support for the Atmel ST timer.
config CLKSRC_METAG_GENERIC
def_bool y if METAG
help
This option enables support for the Meta per-thread timers.
config CLKSRC_EXYNOS_MCT
bool "Exynos multi core timer driver" if COMPILE_TEST
depends on ARM || ARM64
help
Support for Multi Core Timer controller on Exynos SoCs.
config CLKSRC_SAMSUNG_PWM
bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
depends on HAS_IOMEM
help
This is a new clocksource driver for the PWM timer found in
Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
for all devicetree enabled platforms. This driver will be
needed only on systems that do not have the Exynos MCT available.
config FSL_FTM_TIMER
bool "Freescale FlexTimer Module driver" if COMPILE_TEST
depends on HAS_IOMEM
select CLKSRC_MMIO
help
Support for Freescale FlexTimer Module (FTM) timer.
config VF_PIT_TIMER
bool
select CLKSRC_MMIO
help
Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
config OXNAS_RPS_TIMER
bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
select TIMER_OF
select CLKSRC_MMIO
help
This enables support for the Oxford Semiconductor OXNAS RPS timers.
config SYS_SUPPORTS_SH_CMT
bool
config MTK_TIMER
bool "Mediatek timer driver" if COMPILE_TEST
depends on HAS_IOMEM
select TIMER_OF
select CLKSRC_MMIO
help
Support for Mediatek timer driver.
config SPRD_TIMER
bool "Spreadtrum timer driver" if COMPILE_TEST
depends on HAS_IOMEM
select TIMER_OF
help
Enables support for the Spreadtrum timer driver.
config SYS_SUPPORTS_SH_MTU2
bool
config SYS_SUPPORTS_SH_TMU
bool
config SYS_SUPPORTS_EM_STI
bool
config CLKSRC_JCORE_PIT
bool "J-Core PIT timer driver" if COMPILE_TEST
depends on OF
depends on HAS_IOMEM
select CLKSRC_MMIO
help
This enables build of clocksource and clockevent driver for
the integrated PIT in the J-Core synthesizable, open source SoC.
config SH_TIMER_CMT
bool "Renesas CMT timer driver" if COMPILE_TEST
depends on HAS_IOMEM
default SYS_SUPPORTS_SH_CMT
help
This enables build of a clocksource and clockevent driver for
the Compare Match Timer (CMT) hardware available in 16/32/48-bit
variants on a wide range of Mobile and Automotive SoCs from Renesas.
config SH_TIMER_MTU2
bool "Renesas MTU2 timer driver" if COMPILE_TEST
depends on HAS_IOMEM
default SYS_SUPPORTS_SH_MTU2
help
This enables build of a clockevent driver for the Multi-Function
Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
This hardware comes with 16 bit-timer registers.
config RENESAS_OSTM
bool "Renesas OSTM timer driver" if COMPILE_TEST
select CLKSRC_MMIO
help
Enables the support for the Renesas OSTM.
config SH_TIMER_TMU
bool "Renesas TMU timer driver" if COMPILE_TEST
depends on HAS_IOMEM
default SYS_SUPPORTS_SH_TMU
help
This enables build of a clocksource and clockevent driver for
the 32-bit Timer Unit (TMU) hardware available on a wide range
SoCs from Renesas.
config EM_TIMER_STI
bool "Renesas STI timer driver" if COMPILE_TEST
depends on HAS_IOMEM
default SYS_SUPPORTS_EM_STI
help
This enables build of a clocksource and clockevent driver for
the 48-bit System Timer (STI) hardware available on a SoCs
such as EMEV2 from former NEC Electronics.
config CLKSRC_QCOM
bool "Qualcomm MSM timer" if COMPILE_TEST
depends on ARM
select TIMER_OF
help
This enables the clocksource and the per CPU clockevent driver for the
Qualcomm SoCs.
config CLKSRC_VERSATILE
bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
select TIMER_OF
default y if MFD_VEXPRESS_SYSREG
help
This option enables clock source based on free running
counter available in the "System Registers" block of
ARM Versatile, RealView and Versatile Express reference
platforms.
config CLKSRC_MIPS_GIC
bool
depends on MIPS_GIC
select TIMER_OF
config CLKSRC_TANGO_XTAL
bool "Clocksource for Tango SoC" if COMPILE_TEST
depends on ARM
select TIMER_OF
select CLKSRC_MMIO
help
This enables the clocksource for Tango SoC
config CLKSRC_PXA
bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
depends on HAS_IOMEM
select CLKSRC_MMIO
help
This enables OST0 support available on PXA and SA-11x0
platforms.
config H8300_TMR8
bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
depends on HAS_IOMEM
help
This enables the 8 bits timer for the H8300 platform.
config H8300_TMR16
bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
depends on HAS_IOMEM
help
This enables the 16 bits timer for the H8300 platform with the
H83069 cpu.
config H8300_TPU
bool "Clocksource for the H8300 platform" if COMPILE_TEST
depends on HAS_IOMEM
help
This enables the clocksource for the H8300 platform with the
H8S2678 cpu.
config CLKSRC_IMX_GPT
bool "Clocksource using i.MX GPT" if COMPILE_TEST
depends on ARM && CLKDEV_LOOKUP
select CLKSRC_MMIO
config CLKSRC_IMX_TPM
bool "Clocksource using i.MX TPM" if COMPILE_TEST
depends on ARM && CLKDEV_LOOKUP
select CLKSRC_MMIO
help
Enable this option to use IMX Timer/PWM Module (TPM) timer as
clocksource.
config CLKSRC_ST_LPC
bool "Low power clocksource found in the LPC" if COMPILE_TEST
select TIMER_OF if OF
depends on HAS_IOMEM
select CLKSRC_MMIO
help
Enable this option to use the Low Power controller timer
as clocksource.
config ATCPIT100_TIMER
bool "ATCPIT100 timer driver"
depends on NDS32 || COMPILE_TEST
depends on HAS_IOMEM
select TIMER_OF
default NDS32
help
This option enables support for the Andestech ATCPIT100 timers.
endmenu
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