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Thomas Chouc8a7ba92015-10-09 13:46:34 +08001menu "Timer Support"
2
3config TIMER
Bin Meng435ae762015-11-13 00:11:14 -08004 bool "Enable driver model for timer drivers"
Thomas Chouc8a7ba92015-10-09 13:46:34 +08005 depends on DM
6 help
Bin Meng435ae762015-11-13 00:11:14 -08007 Enable driver model for timer access. It uses the same API as
8 lib/time.c, but now implemented by the uclass. The first timer
Thomas Chouc8a7ba92015-10-09 13:46:34 +08009 will be used. The timer is usually a 32 bits free-running up
10 counter. There may be no real tick, and no timer interrupt.
11
Philipp Tomsiche9e5d9d2017-07-28 17:38:42 +020012config SPL_TIMER
13 bool "Enable driver model for timer drivers in SPL"
14 depends on TIMER && SPL
15 help
16 Enable support for timer drivers in SPL. These can be used to get
17 a timer value when in SPL, or perhaps for implementing a delay
18 function. This enables the drivers in drivers/timer as part of an
19 SPL build.
20
21config TPL_TIMER
22 bool "Enable driver model for timer drivers in TPL"
23 depends on TIMER && TPL
24 help
25 Enable support for timer drivers in TPL. These can be used to get
26 a timer value when in TPL, or perhaps for implementing a delay
27 function. This enables the drivers in drivers/timer as part of an
28 TPL build.
29
Simon Glassc95fec32016-02-24 09:14:49 -070030config TIMER_EARLY
31 bool "Allow timer to be used early in U-Boot"
32 depends on TIMER
33 help
34 In some cases the timer must be accessible before driver model is
35 active. Examples include when using CONFIG_TRACE to trace U-Boot's
36 execution before driver model is set up. Enable this option to
37 use an early timer. These functions must be supported by your timer
38 driver: timer_early_get_count() and timer_early_get_rate().
39
Thomas Choua54915d2015-10-22 22:28:53 +080040config ALTERA_TIMER
Bin Meng435ae762015-11-13 00:11:14 -080041 bool "Altera timer support"
Thomas Choua54915d2015-10-22 22:28:53 +080042 depends on TIMER
43 help
Bin Meng435ae762015-11-13 00:11:14 -080044 Select this to enable a timer for Altera devices. Please find
Thomas Choua54915d2015-10-22 22:28:53 +080045 details on the "Embedded Peripherals IP User Guide" of Altera.
46
Wenyou.Yang@microchip.com47edaea2017-08-15 17:40:26 +080047config ATMEL_PIT_TIMER
48 bool "Atmel periodic interval timer support"
49 depends on TIMER
50 help
51 Select this to enable a periodic interval timer for Atmel devices,
52 it is designed to offer maximum accuracy and efficient management,
53 even for systems with long response time.
54
Michal Simek72c37d12018-04-17 13:40:46 +020055config CADENCE_TTC_TIMER
56 bool "Cadence TTC (Triple Timer Counter)"
57 depends on TIMER
58 help
59 Enables support for the cadence ttc driver. This driver is present
60 on Xilinx Zynq and ZynqMP SoCs.
61
Thomas Chou9961a0b2015-10-30 15:35:52 +080062config SANDBOX_TIMER
Bin Meng435ae762015-11-13 00:11:14 -080063 bool "Sandbox timer support"
Thomas Chou9961a0b2015-10-30 15:35:52 +080064 depends on SANDBOX && TIMER
65 help
66 Select this to enable an emulated timer for sandbox. It gets
67 time from host os.
68
Bin Meng7030f272015-11-13 00:11:24 -080069config X86_TSC_TIMER
70 bool "x86 Time-Stamp Counter (TSC) timer support"
71 depends on TIMER && X86
Bin Meng7030f272015-11-13 00:11:24 -080072 help
73 Select this to enable Time-Stamp Counter (TSC) timer for x86.
74
Mugunthan V Ndadf3132015-12-24 16:08:07 +053075config OMAP_TIMER
76 bool "Omap timer support"
77 depends on TIMER
78 help
79 Select this to enable an timer for Omap devices.
80
maxims@google.com4697abe2017-01-18 13:44:55 -080081config AST_TIMER
82 bool "Aspeed ast2400/ast2500 timer support"
83 depends on TIMER
84 default y if ARCH_ASPEED
85 help
86 Select this to enable timer for Aspeed ast2400/ast2500 devices.
87 This is a simple sys timer driver, it is compatible with lib/time.c,
88 but does not support any interrupts. Even though SoC has 8 hardware
89 counters, they are all treated as a single device by this driver.
90 This is mostly because they all share several registers which
91 makes it difficult to completely separate them.
92
Patrice Chotard347cb2e2017-02-21 13:37:05 +010093config STI_TIMER
94 bool "STi timer support"
95 depends on TIMER
96 default y if ARCH_STI
97 help
98 Select this to enable a timer for STi devices.
99
Vlad Zakharovad9b5f72017-03-21 14:49:47 +0300100config ARC_TIMER
101 bool "ARC timer support"
102 depends on TIMER && ARC && CLK
103 help
104 Select this to enable built-in ARC timers.
105 ARC cores may have up to 2 built-in timers: timer0 and timer1,
106 usually at least one of them exists. Either of them is supported
107 in U-Boot.
108
rickf5076f82017-05-17 10:59:20 +0800109config AG101P_TIMER
rickb841b6e2017-05-18 14:37:53 +0800110 bool "AG101P timer support"
111 depends on TIMER && NDS32
rickf5076f82017-05-17 10:59:20 +0800112 help
rickb841b6e2017-05-18 14:37:53 +0800113 Select this to enable a timer for AG01P devices.
114
Rick Chenfa3e3542017-11-28 09:23:23 +0800115config ATCPIT100_TIMER
116 bool "ATCPIT100 timer support"
Rick Chen0f4a3952017-11-23 12:48:46 +0800117 depends on TIMER
rickb841b6e2017-05-18 14:37:53 +0800118 help
Rick Chenfa3e3542017-11-28 09:23:23 +0800119 Select this to enable a ATCPIT100 timer which will be embeded
120 in AE3XX, AE250 boards.
rickf5076f82017-05-17 10:59:20 +0800121
Philipp Tomsich1168d2d2017-07-28 17:43:19 +0200122config ROCKCHIP_TIMER
123 bool "Rockchip timer support"
124 depends on TIMER
125 help
126 Select this to enable support for the timer found on
127 Rockchip devices.
128
Patrice Chotard5120a082018-02-07 10:44:45 +0100129config STM32_TIMER
130 bool "STM32 timer support"
131 depends on TIMER
132 help
133 Select this to enable support for the timer found on
134 STM32 devices.
135
Thomas Chouc8a7ba92015-10-09 13:46:34 +0800136endmenu