[STM32F3] Move the f3 specific stuff out of common.
This commit is contained in:
Piotr Esden-Tempski
@@ -20,71 +20,6 @@
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#include <libopencm3/stm32/flash.h>
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#if !defined(STM32F3)
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static inline void flash_set_program_size(uint32_t psize)
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{
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FLASH_CR &= ~(((1 << 0) | (1 << 1)) << 8);
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FLASH_CR |= psize;
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}
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void flash_dcache_enable(void)
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{
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FLASH_ACR |= FLASH_ACR_DCE;
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}
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void flash_dcache_disable(void)
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{
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FLASH_ACR &= ~FLASH_ACR_DCE;
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}
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void flash_icache_enable(void)
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{
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FLASH_ACR |= FLASH_ACR_ICE;
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}
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void flash_icache_disable(void)
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{
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FLASH_ACR &= ~FLASH_ACR_ICE;
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}
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void flash_prefetch_enable(void)
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{
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FLASH_ACR |= FLASH_ACR_PRFTEN;
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}
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void flash_prefetch_disable(void)
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{
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FLASH_ACR &= ~FLASH_ACR_PRFTEN;
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}
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void flash_dcache_reset(void)
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{
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FLASH_ACR |= FLASH_ACR_DCRST;
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}
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void flash_icache_reset(void)
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{
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FLASH_ACR |= FLASH_ACR_ICRST;
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}
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void flash_clear_pgserr_flag(void)
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{
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FLASH_SR |= FLASH_SR_PGSERR;
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}
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void flash_clear_pgaerr_flag(void)
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{
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FLASH_SR |= FLASH_SR_PGAERR;
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}
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void flash_clear_wrperr_flag(void)
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{
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FLASH_SR |= FLASH_SR_WRPERR;
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}
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#endif
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void flash_set_ws(uint32_t ws)
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{
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uint32_t reg32;
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@@ -125,155 +60,8 @@ void flash_clear_bsy_flag(void)
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FLASH_SR &= ~FLASH_SR_BSY;
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}
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void flash_clear_status_flags(void)
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{
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#if !defined(STM32F3)
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flash_clear_pgserr_flag();
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flash_clear_pgaerr_flag();
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flash_clear_wrperr_flag();
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#endif
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flash_clear_pgperr_flag();
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flash_clear_eop_flag();
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flash_clear_bsy_flag();
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}
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void flash_wait_for_last_operation(void)
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{
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while ((FLASH_SR & FLASH_SR_BSY) == FLASH_SR_BSY);
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}
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#if !defined(STM32F3)
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void flash_unlock_option_bytes(void)
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{
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/* Clear the unlock state. */
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FLASH_OPTCR |= FLASH_OPTCR_OPTLOCK;
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/* Unlock option bytes. */
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FLASH_OPTKEYR = FLASH_OPTKEYR_KEY1;
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FLASH_OPTKEYR = FLASH_OPTKEYR_KEY2;
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}
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void flash_lock_option_bytes(void)
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{
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FLASH_OPTCR |= FLASH_OPTCR_OPTLOCK;
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}
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void flash_program_double_word(uint32_t address, uint64_t data)
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{
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/* Ensure that all flash operations are complete. */
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flash_wait_for_last_operation();
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flash_set_program_size(FLASH_CR_PROGRAM_X64);
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/* Enable writes to flash. */
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FLASH_CR |= FLASH_CR_PG;
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/* Program the first half of the word. */
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MMIO64(address) = data;
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/* Wait for the write to complete. */
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flash_wait_for_last_operation();
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/* Disable writes to flash. */
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FLASH_CR &= ~FLASH_CR_PG;
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}
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void flash_program_word(uint32_t address, uint32_t data)
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{
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/* Ensure that all flash operations are complete. */
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flash_wait_for_last_operation();
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flash_set_program_size(FLASH_CR_PROGRAM_X32);
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/* Enable writes to flash. */
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FLASH_CR |= FLASH_CR_PG;
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/* Program the first half of the word. */
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MMIO32(address) = data;
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/* Wait for the write to complete. */
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flash_wait_for_last_operation();
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/* Disable writes to flash. */
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FLASH_CR &= ~FLASH_CR_PG;
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}
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void flash_program_half_word(uint32_t address, uint16_t data)
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{
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flash_wait_for_last_operation();
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flash_set_program_size(FLASH_CR_PROGRAM_X16);
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FLASH_CR |= FLASH_CR_PG;
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MMIO16(address) = data;
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flash_wait_for_last_operation();
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FLASH_CR &= ~FLASH_CR_PG; /* Disable the PG bit. */
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}
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void flash_program_byte(uint32_t address, uint8_t data)
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{
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flash_wait_for_last_operation();
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flash_set_program_size(FLASH_CR_PROGRAM_X8);
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FLASH_CR |= FLASH_CR_PG;
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MMIO8(address) = data;
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flash_wait_for_last_operation();
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FLASH_CR &= ~FLASH_CR_PG; /* Disable the PG bit. */
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}
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void flash_program(uint32_t address, uint8_t *data, uint32_t len)
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{
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/* TODO: Use dword and word size program operations where possible for
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* turbo speed.
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*/
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uint32_t i;
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for (i = 0; i < len; i++) {
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flash_program_byte(address+i, data[i]);
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}
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}
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void flash_erase_sector(uint8_t sector, uint32_t program_size)
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{
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flash_wait_for_last_operation();
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flash_set_program_size(program_size);
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FLASH_CR &= ~(0xF << 3);
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FLASH_CR |= (sector << 3) & 0x78;
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FLASH_CR |= FLASH_CR_SER;
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FLASH_CR |= FLASH_CR_STRT;
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flash_wait_for_last_operation();
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FLASH_CR &= ~FLASH_CR_SER;
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FLASH_CR &= ~(0xF << 3);
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}
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void flash_erase_all_sectors(uint32_t program_size)
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{
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flash_wait_for_last_operation();
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flash_set_program_size(program_size);
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FLASH_CR |= FLASH_CR_MER; /* Enable mass erase. */
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FLASH_CR |= FLASH_CR_STRT; /* Trigger the erase. */
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flash_wait_for_last_operation();
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FLASH_CR &= ~FLASH_CR_MER; /* Disable mass erase. */
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}
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void flash_program_option_bytes(uint32_t data)
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{
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flash_wait_for_last_operation();
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if (FLASH_OPTCR & FLASH_OPTCR_OPTLOCK) {
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flash_unlock_option_bytes();
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}
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FLASH_OPTCR = data & ~0x3;
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FLASH_OPTCR |= FLASH_OPTCR_OPTSTRT; /* Enable option byte prog. */
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flash_wait_for_last_operation();
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}
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#endif
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