mirror of
https://github.com/linux-msm/debugcc.git
synced 2026-02-25 13:12:32 -08:00
776a4f281e
Add convenient macro GENMASK to calculate masks from bits similar to how it's implemented in kernel linux tools. This is useful to better describe some specific define instead of using comments and raw HEX values. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
|
|
* 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))
|
|
#define GENMASK(h, l) (((~0UL) << (l)) & (~0UL >> (sizeof(long) * 8 - 1 - (h))))
|
|
|
|
#define CORE_CC_BLOCK "core"
|
|
|
|
struct measure_clk;
|
|
|
|
struct debug_mux {
|
|
unsigned long phys;
|
|
void *base;
|
|
const char *block_name;
|
|
size_t size;
|
|
|
|
struct debug_mux *parent;
|
|
unsigned long parent_mux_val;
|
|
|
|
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 div_val;
|
|
|
|
unsigned long (*measure)(const struct measure_clk *clk,
|
|
const struct debug_mux *mux);
|
|
};
|
|
|
|
struct gcc_mux {
|
|
struct debug_mux mux;
|
|
|
|
unsigned int xo_rate;
|
|
|
|
unsigned int xo_div4_reg;
|
|
unsigned int xo_div4_val;
|
|
|
|
unsigned int debug_ctl_reg;
|
|
unsigned int debug_status_reg;
|
|
};
|
|
|
|
struct measure_clk {
|
|
char *name;
|
|
struct debug_mux *clk_mux;
|
|
unsigned long mux;
|
|
|
|
unsigned int fixed_div;
|
|
};
|
|
|
|
struct debugcc_platform {
|
|
const char *name;
|
|
const struct measure_clk *clocks;
|
|
int (*premap)(int devmem);
|
|
};
|
|
|
|
#define container_of(ptr, type, member) \
|
|
((type *) ((char *)(ptr) - offsetof(type, member)))
|
|
|
|
static inline uint32_t readl(void *ptr)
|
|
{
|
|
return *((volatile uint32_t*)ptr);
|
|
}
|
|
|
|
static inline void writel(uint32_t val, void *ptr)
|
|
{
|
|
*((volatile uint32_t*)ptr) = val;
|
|
}
|
|
|
|
int mmap_mux(int devmem, struct debug_mux *mux);
|
|
void mux_enable(struct debug_mux *mux);
|
|
void mux_disable(struct debug_mux *mux);
|
|
|
|
unsigned long measure_gcc(const struct measure_clk *clk,
|
|
const struct debug_mux *mux);
|
|
unsigned long measure_leaf(const struct measure_clk *clk,
|
|
const struct debug_mux *mux);
|
|
unsigned long measure_mccc(const struct measure_clk *clk,
|
|
const struct debug_mux *mux);
|
|
|
|
extern const struct debugcc_platform *platforms[];
|
|
|
|
#endif
|