jacking/bsp/gctl.h

55 lines
1.8 KiB
C

/*
* Copyright (C) 2018 Marcus Comstedt
*
* 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.
*/
#ifndef BSP_GCTL_H_
#define BSP_GCTL_H_
#include <stdint.h>
#ifndef PLL_FBDIV
#define PLL_FBDIV 21 /* -> SYS_CLK = 403200000 */
#endif
#define SYS_CLK (19200000 * PLL_FBDIV)
#ifndef CPU_DIV
#define CPU_DIV 2
#endif
#define CPU_CLK (SYS_CLK / CPU_DIV)
/* Alternate function for GPIO 33-57 */
typedef enum {
FX3_GCTL_ALTFUNC_GPIO = 0,
FX3_GCTL_ALTFUNC_GPIO_UART = 1,
FX3_GCTL_ALTFUNC_GPIO_SPI = 2,
FX3_GCTL_ALTFUNC_GPIO_I2S = 3,
FX3_GCTL_ALTFUNC_UART_SPI_I2S = 4,
FX3_GCTL_ALTFUNC_GPIF32BIT_UART_I2S = 5
} Fx3GctlPinAltFunc_t;
extern void Fx3GctlInitClock(void);
extern void Fx3GctlInitIoMatrix(Fx3GctlPinAltFunc_t alt_func);
extern void Fx3GctlHardReset(void);
#endif /* BSP_GCTL_H_ */