stm32f4: Make using the internal clock source a low level option
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -50,12 +50,16 @@ config STACK_SIZE
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default 512
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choice
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prompt "Clock Reference"
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config STM32F4_CLOCK_REF_8M
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prompt "Clock Reference" if LOW_LEVEL_OPTIONS
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config STM32_CLOCK_REF_8M
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bool "8Mhz crystal"
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config STM32F4_CLOCK_REF_INTERNAL
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config STM32_CLOCK_REF_INTERNAL
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bool "Internal clock"
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endchoice
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config CLOCK_REF_8M
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bool
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default n if STM32_CLOCK_REF_INTERNAL
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default y
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config SERIAL
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bool
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@ -4,7 +4,7 @@
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "autoconf.h" // CONFIG_STM32F4_CLOCK_REF_8M
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#include "autoconf.h" // CONFIG_CLOCK_REF_8M
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#include "command.h" // DECL_CONSTANT_STR
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#include "internal.h" // enable_pclock
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@ -76,7 +76,7 @@ gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup)
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regs->OSPEEDR = (regs->OSPEEDR & ~m_msk) | (0x02 << m_shift);
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}
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#if CONFIG_STM32F4_CLOCK_REF_8M
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#if CONFIG_CLOCK_REF_8M
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DECL_CONSTANT_STR("RESERVE_PINS_crystal", "PH0,PH1");
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#endif
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@ -85,7 +85,7 @@ static void
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enable_clock_stm32f40x(void)
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{
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#if CONFIG_MACH_STM32F405 || CONFIG_MACH_STM32F407
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if (CONFIG_STM32F4_CLOCK_REF_8M) {
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if (CONFIG_CLOCK_REF_8M) {
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// Configure 168Mhz PLL from external 8Mhz crystal (HSE)
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RCC->CR |= RCC_CR_HSEON;
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RCC->PLLCFGR = (
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@ -107,7 +107,7 @@ static void
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enable_clock_stm32f446(void)
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{
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#if CONFIG_MACH_STM32F446
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if (CONFIG_STM32F4_CLOCK_REF_8M) {
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if (CONFIG_CLOCK_REF_8M) {
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// Configure 180Mhz PLL from external 8Mhz crystal (HSE)
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RCC->CR |= RCC_CR_HSEON;
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RCC->PLLCFGR = (
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