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DebugCC boiler plate code

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The common boiler plate code provides the means for measuring clocks
using the debugcc feature on various Qualcomm platforms.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Bjorn Andersson
2019-02-21 11:37:38 -08:00
parent 747eacd236
commit 5aee065b2b
3 changed files with 448 additions and 0 deletions
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/*
* Copyright (c) 2019, Linaro Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DEBUGCC_H__
#define __DEBUGCC_H__
#define BIT(x) (1 << (x))
struct debug_mux {
unsigned long phys;
void *base;
size_t size;
unsigned int enable_reg;
unsigned int enable_mask;
unsigned int mux_reg;
unsigned int mux_mask;
unsigned int mux_shift;
unsigned int div_reg;
unsigned int div_shift;
unsigned int div_mask;
unsigned int xo_div4_reg;
unsigned int debug_ctl_reg;
unsigned int debug_status_reg;
unsigned int ahb_reg;
unsigned int ahb_mask;
};
struct measure_clk {
char *name;
struct debug_mux *primary;
int mux;
int post_div;
struct debug_mux *leaf;
int leaf_mux;
int leaf_div;
unsigned int fixed_div;
};
struct debugcc_platform {
const char *name;
const struct measure_clk *clocks;
};
extern struct debugcc_platform qcs404_debugcc;
#endif