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35 lines
1.2 KiB
35 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) Intel 2011 |
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* |
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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* |
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* The PTI (Parallel Trace Interface) driver directs trace data routed from |
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* various parts in the system out through the Intel Penwell PTI port and |
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* out of the mobile device for analysis with a debugging tool |
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* (Lauterbach, Fido). This is part of a solution for the MIPI P1149.7, |
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* compact JTAG, standard. |
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* |
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* This header file will allow other parts of the OS to use the |
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* interface to write out it's contents for debugging a mobile system. |
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*/ |
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#ifndef LINUX_INTEL_PTI_H_ |
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#define LINUX_INTEL_PTI_H_ |
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/* offset for last dword of any PTI message. Part of MIPI P1149.7 */ |
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#define PTI_LASTDWORD_DTS 0x30 |
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/* basic structure used as a write address to the PTI HW */ |
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struct pti_masterchannel { |
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u8 master; |
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u8 channel; |
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}; |
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/* the following functions are defined in misc/pti.c */ |
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void pti_writedata(struct pti_masterchannel *mc, u8 *buf, int count); |
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struct pti_masterchannel *pti_request_masterchannel(u8 type, |
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const char *thread_name); |
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void pti_release_masterchannel(struct pti_masterchannel *mc); |
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#endif /* LINUX_INTEL_PTI_H_ */
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