Clock configuration for the FE310 cpu. More...

Detailed Description

Clock configuration for the FE310 cpu.

Author: Alexandre Abadie alexa.nosp@m.ndre.nosp@m..abad.nosp@m.ie@i.nosp@m.nria..nosp@m.fr

Definition in file clk_conf.h.

#include "macros/units.h"
#include "kernel_defines.h"

Include dependency graph for clk_conf.h:

Core Clock configuration
#define	CONFIG_USE_CLOCK_HFXOSC_PLL 1 /* Use PLL clocked by HFXOSC by default */

#define	CONFIG_USE_CLOCK_HFXOSC 0

#define	CONFIG_USE_CLOCK_HFROSC_PLL 0

#define	CONFIG_USE_CLOCK_HFROSC 0

#define	CONFIG_CLOCK_PLL_R (1) /* Divide input clock by 2, mandatory with HFXOSC */

#define	CONFIG_CLOCK_PLL_F (39) /* Multiply REFR by 80, e.g 2 * (39 + 1) */

#define	CONFIG_CLOCK_PLL_Q (1) /* Divide VCO by 2, e.g 2^1 */

#define	CLOCK_PLL_INPUT_CLOCK MHZ(16)

#define	CLOCK_PLL_REFR

#define	CLOCK_PLL_VCO

#define	CLOCK_PLL_OUT

#define	CLOCK_CORECLOCK (CLOCK_PLL_OUT) /* 320000000Hz with the values used above */

#define	CONFIG_CLOCK_DESIRED_FREQUENCY MHZ(320)

#define	CONFIG_CLOCK_HFROSC_TRIM (6) /* ~72000000Hz input freq */

#define	CONFIG_CLOCK_HFROSC_DIV (1) /* Divide by 2 */

Macro Definition Documentation

#define CLOCK_PLL_OUT

Value:

(CLOCK_PLL_VCO / \

(1 << CONFIG_CLOCK_PLL_Q))

Definition at line 93 of file clk_conf.h.

#define CLOCK_PLL_REFR

Value:

(CLOCK_PLL_INPUT_CLOCK / \

(CONFIG_CLOCK_PLL_R + 1))

Definition at line 89 of file clk_conf.h.

#define CLOCK_PLL_VCO

Value:

(CLOCK_PLL_REFR * \

(2 * (CONFIG_CLOCK_PLL_F + 1)))

Definition at line 91 of file clk_conf.h.