intel_th: Depend on HAS_IOMEM
[linux-2.6-block.git] / drivers / hwtracing / intel_th / Kconfig
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1config INTEL_TH
2 tristate "Intel(R) Trace Hub controller"
993c7f11 3 depends on HAS_DMA && HAS_IOMEM
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4 help
5 Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that
6 produce, switch and output trace data from multiple hardware and
7 software sources over several types of trace output ports encoded
8 in System Trace Protocol (MIPI STPv2) and is intended to perform
9 full system debugging.
10
11 This option enables intel_th bus and common code used by TH
12 subdevices to interact with each other and hardware and for
13 platform glue layers to drive Intel TH devices.
14
15 Say Y here to enable Intel(R) Trace Hub controller support.
16
17if INTEL_TH
18
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19config INTEL_TH_PCI
20 tristate "Intel(R) Trace Hub PCI controller"
21 depends on PCI
22 help
23 Intel(R) Trace Hub may exist as a PCI device. This option enables
24 support glue layer for PCI-based Intel TH.
25
26 Say Y here to enable PCI Intel TH support.
27
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28config INTEL_TH_GTH
29 tristate "Intel(R) Trace Hub Global Trace Hub"
30 help
31 Global Trace Hub (GTH) is the central component of the
32 Intel TH infrastructure and acts as a switch for source
33 and output devices. This driver is required for other
34 Intel TH subdevices to initialize.
35
36 Say Y here to enable GTH subdevice of Intel(R) Trace Hub.
37
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38config INTEL_TH_STH
39 tristate "Intel(R) Trace Hub Software Trace Hub support"
40 depends on STM
41 help
42 Software Trace Hub (STH) enables trace data from software
43 trace sources to be sent out via Intel(R) Trace Hub. It
44 uses stm class device to interface with its sources.
45
46 Say Y here to enable STH subdevice of Intel(R) Trace Hub.
47
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48config INTEL_TH_MSU
49 tristate "Intel(R) Trace Hub Memory Storage Unit"
50 help
51 Memory Storage Unit (MSU) trace output device enables
52 storing STP traces to system memory. It supports single
53 and multiblock modes of operation and provides read()
54 and mmap() access to the collected data.
55
56 Say Y here to enable MSU output device for Intel TH.
57
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58config INTEL_TH_PTI
59 tristate "Intel(R) Trace Hub PTI output"
60 help
61 Parallel Trace Interface unit (PTI) is a trace output device
62 of Intel TH architecture that facilitates STP trace output via
63 a PTI port.
64
65 Say Y to enable PTI output of Intel TH data.
66
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67config INTEL_TH_DEBUG
68 bool "Intel(R) Trace Hub debugging"
69 depends on DEBUG_FS
70 help
71 Say Y here to enable debugging.
72
73endif