52 static inline void flush_cache(FLASH_TypeDef *regs)  in flush_cache()  argument
54 	if (regs->ACR & FLASH_ACR_DCEN) {  in flush_cache()
55 		regs->ACR &= ~FLASH_ACR_DCEN;  in flush_cache()
59 		regs->ACR |= FLASH_ACR_DCRST;  in flush_cache()
60 		regs->ACR &= ~FLASH_ACR_DCRST;  in flush_cache()
61 		regs->ACR |= FLASH_ACR_DCEN;  in flush_cache()
64 	if (regs->ACR & FLASH_ACR_ICEN) {  in flush_cache()
65 		regs->ACR &= ~FLASH_ACR_ICEN;  in flush_cache()
70 		regs->ACR |= FLASH_ACR_ICRST;  in flush_cache()
71 		regs->ACR &= ~FLASH_ACR_ICRST;  in flush_cache()
72 		regs->ACR |= FLASH_ACR_ICEN;  in flush_cache()
79 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in write_dword()  local
87 	if (regs->CR & FLASH_CR_LOCK) {  in write_dword()
114 	if (regs->ACR & FLASH_ACR_DCEN) {  in write_dword()
116 		regs->ACR &= (~FLASH_ACR_DCEN);  in write_dword()
121 	regs->CR |= FLASH_CR_PG;  in write_dword()
124 	tmp = regs->CR;  in write_dword()
134 	regs->CR &= (~FLASH_CR_PG);  in write_dword()
139 		regs->ACR |= FLASH_ACR_DCRST;  in write_dword()
140 		regs->ACR &= (~FLASH_ACR_DCRST);  in write_dword()
141 		regs->ACR |= FLASH_ACR_DCEN;  in write_dword()
150 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in erase_page()  local
156 	if (regs->CR & FLASH_CR_LOCK) {  in erase_page()
174 		regs->CR &= ~FLASH_CR_BKER_Msk;  in erase_page()
179 		regs->CR &= ~FLASH_CR_BKER_Msk;  in erase_page()
184 		regs->CR |= FLASH_CR_BKER;  in erase_page()
189 		regs->CR |= FLASH_CR_BKER;  in erase_page()
202 	regs->CR |= FLASH_CR_PER;  in erase_page()
203 	regs->CR &= ~FLASH_CR_PNB_Msk;  in erase_page()
204 	regs->CR |= (page << FLASH_CR_PNB_Pos);  in erase_page()
207 	regs->CR |= FLASH_CR_STRT;  in erase_page()
210 	tmp = regs->CR;  in erase_page()
215 	flush_cache(regs);  in erase_page()
218 	regs->CR &= ~(FLASH_CR_PER | FLASH_CR_BKER);  in erase_page()
220 	regs->CR &= ~(FLASH_CR_PER);  in erase_page()
261 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in flash_stm32_option_bytes_write()  local
264 	if (regs->CR & FLASH_CR_OPTLOCK) {  in flash_stm32_option_bytes_write()
268 	if ((regs->OPTR & mask) == value) {  in flash_stm32_option_bytes_write()
277 	regs->OPTR = (regs->OPTR & ~mask) | value;  in flash_stm32_option_bytes_write()
278 	regs->CR |= FLASH_CR_OPTSTRT;  in flash_stm32_option_bytes_write()
293 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in flash_stm32_option_bytes_read()  local
295 	return regs->OPTR;  in flash_stm32_option_bytes_read()
317 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in flash_stm32_get_rdp_level()  local
319 	return (regs->OPTR & FLASH_OPTR_RDP_Msk) >> FLASH_OPTR_RDP_Pos;  in flash_stm32_get_rdp_level()