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/******************************************************************************
* The MIT License
*
* Copyright (c) 2011 LeafLabs, LLC.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*****************************************************************************/
/*
* RCC private header.
*/
#ifndef _LIBMAPLE_PRIVATE_RCC_H_
#define _LIBMAPLE_PRIVATE_RCC_H_
#include <libmaple/bitband.h>
struct rcc_dev_info {
const rcc_clk_domain clk_domain;
const uint8 line_num;
};
extern const struct rcc_dev_info rcc_dev_table[];
static inline void rcc_do_clk_enable(__io uint32** enable_regs,
rcc_clk_id id) {
__io uint32 *enable_reg = enable_regs[rcc_dev_clk(id)];
uint8 line_num = rcc_dev_table[id].line_num;
bb_peri_set_bit(enable_reg, line_num, 1);
}
static inline void rcc_do_reset_dev(__io uint32** reset_regs,
rcc_clk_id id) {
__io uint32 *reset_reg = reset_regs[rcc_dev_clk(id)];
uint8 line_num = rcc_dev_table[id].line_num;
bb_peri_set_bit(reset_reg, line_num, 1);
bb_peri_set_bit(reset_reg, line_num, 0);
}
static inline void rcc_do_set_prescaler(const uint32 *masks,
rcc_prescaler prescaler,
uint32 divider) {
uint32 cfgr = RCC_BASE->CFGR;
cfgr &= ~masks[prescaler];
cfgr |= divider;
RCC_BASE->CFGR = cfgr;
}
#endif
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