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Disable EMC clock

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This commit is contained in:
Dominic Spill
2017-02-09 16:34:57 -07:00
parent e7647f62f3
commit 3de6d2d360
1 changed files with 5 additions and 4 deletions
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9
firmware/common/hackrf_core.c
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@ -35,6 +35,7 @@
#include "i2c_bus.h" #include "i2c_bus.h"
#include "i2c_lpc.h" #include "i2c_lpc.h"
#include <libopencm3/lpc43xx/cgu.h> #include <libopencm3/lpc43xx/cgu.h>
#include <libopencm3/lpc43xx/ccu.h>
#include <libopencm3/lpc43xx/scu.h> #include <libopencm3/lpc43xx/scu.h>
#include <libopencm3/lpc43xx/ssp.h> #include <libopencm3/lpc43xx/ssp.h>
@ -554,6 +555,10 @@ void cpu_clock_init(void)
/* use IRC as clock source for APB3 */ /* use IRC as clock source for APB3 */
CGU_BASE_APB3_CLK = CGU_BASE_APB3_CLK_CLK_SEL(CGU_SRC_IRC); CGU_BASE_APB3_CLK = CGU_BASE_APB3_CLK_CLK_SEL(CGU_SRC_IRC);
/* Disable unused peripheral clocks */
CCU1_CLK_M4_EMC_CFG = 0;
CCU1_CLK_M4_EMCDIV_CFG = 0;
i2c_bus_start(clock_gen.bus, &i2c_config_si5351c_slow_clock); i2c_bus_start(clock_gen.bus, &i2c_config_si5351c_slow_clock);
si5351c_disable_all_outputs(&clock_gen); si5351c_disable_all_outputs(&clock_gen);
@ -829,10 +834,6 @@ void pin_setup(void) {
scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_NOPULL); scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_NOPULL);
/* Disable unused clock outputs. They generate noise. */
scu_pinmux(CLK0, SCU_CLK_IN | SCU_CONF_FUNCTION7);
scu_pinmux(CLK2, SCU_CLK_IN | SCU_CONF_FUNCTION7);
/* Configure USB indicators */ /* Configure USB indicators */
#if (defined JELLYBEAN || defined JAWBREAKER) #if (defined JELLYBEAN || defined JAWBREAKER)
scu_pinmux(SCU_PINMUX_USB_LED0, SCU_CONF_FUNCTION3); scu_pinmux(SCU_PINMUX_USB_LED0, SCU_CONF_FUNCTION3);