36 static inline void flush_cache(FLASH_TypeDef *regs)  in flush_cache()  argument
38 	if (regs->ACR & FLASH_ACR_DCEN) {  in flush_cache()
39 		regs->ACR &= ~FLASH_ACR_DCEN;  in flush_cache()
43 		regs->ACR |= FLASH_ACR_DCRST;  in flush_cache()
44 		regs->ACR &= ~FLASH_ACR_DCRST;  in flush_cache()
45 		regs->ACR |= FLASH_ACR_DCEN;  in flush_cache()
48 	if (regs->ACR & FLASH_ACR_ICEN) {  in flush_cache()
49 		regs->ACR &= ~FLASH_ACR_ICEN;  in flush_cache()
54 		regs->ACR |= FLASH_ACR_ICRST;  in flush_cache()
55 		regs->ACR &= ~FLASH_ACR_ICRST;  in flush_cache()
56 		regs->ACR |= FLASH_ACR_ICEN;  in flush_cache()
73 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in write_dword()  local
81 	if (regs->CR & FLASH_CR_LOCK) {  in write_dword()
107 	if (regs->ACR & FLASH_ACR_DCEN) {  in write_dword()
109 		regs->ACR &= (~FLASH_ACR_DCEN);  in write_dword()
114 	regs->CR |= FLASH_CR_PG;  in write_dword()
117 	tmp = regs->CR;  in write_dword()
127 	regs->CR &= (~FLASH_CR_PG);  in write_dword()
132 		regs->ACR |= FLASH_ACR_DCRST;  in write_dword()
133 		regs->ACR &= (~FLASH_ACR_DCRST);  in write_dword()
134 		regs->ACR |= FLASH_ACR_DCEN;  in write_dword()
145 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in erase_page()  local
156 	if ((regs->OPTR & FLASH_OPTR_DUALBANK) ||  in erase_page()
167 	if (regs->OPTR & FLASH_STM32_DBANK) {  in erase_page()
178 	if (regs->CR & FLASH_CR_LOCK) {  in erase_page()
188 	flush_cache(regs);  in erase_page()
191 	regs->CR |= FLASH_CR_PER;  in erase_page()
193 	regs->CR &= ~FLASH_CR_BKER_Msk;  in erase_page()
196 		regs->CR |= FLASH_CR_BKER;  in erase_page()
199 	regs->CR &= ~FLASH_CR_PNB_Msk;  in erase_page()
200 	regs->CR |= ((page % pages_per_bank) << 3);  in erase_page()
203 	regs->CR |= FLASH_CR_STRT;  in erase_page()
206 	tmp = regs->CR;  in erase_page()
211 	regs->CR &= ~FLASH_CR_PER;  in erase_page()
252 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in flash_stm32_option_bytes_write()  local
255 	if (regs->CR & FLASH_CR_OPTLOCK) {  in flash_stm32_option_bytes_write()
259 	if ((regs->OPTR & mask) == value) {  in flash_stm32_option_bytes_write()
268 	regs->OPTR = (regs->OPTR & ~mask) | value;  in flash_stm32_option_bytes_write()
269 	regs->CR |= FLASH_CR_OPTSTRT;  in flash_stm32_option_bytes_write()
284 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in flash_stm32_option_bytes_read()  local
286 	return regs->OPTR;  in flash_stm32_option_bytes_read()
308 	FLASH_TypeDef *regs = FLASH_STM32_REGS(dev);  in flash_stm32_get_rdp_level()  local
310 	return (regs->OPTR & FLASH_OPTR_RDP_Msk) >> FLASH_OPTR_RDP_Pos;  in flash_stm32_get_rdp_level()