static int smi_erase_sector(struct flash_bank *bank, int sector)
{
struct target *target = bank->target;
struct stmsmi_flash_bank *stmsmi_info = bank->driver_priv;
uint32_t io_base = stmsmi_info->io_base;
uint32_t cmd;
int retval;
retval = smi_write_enable(bank);
if (retval != ERROR_OK)
return retval;
/* Switch to SW mode to send sector erase command */
SMI_SET_SW_MODE();
/* clear transmit finished flag */
SMI_CLEAR_TFF();
/* send SPI command "block erase" */
cmd = erase_command(stmsmi_info, bank->sectors[sector].offset);
SMI_WRITE_REG(SMI_TR, cmd);
SMI_WRITE_REG(SMI_CR2, stmsmi_info->bank_num | SMI_SEND | SMI_TX_LEN_4);
/* Poll transmit finished flag */
SMI_POLL_TFF(SMI_CMD_TIMEOUT);
/* poll WIP for end of self timed Sector Erase cycle */
retval = wait_till_ready(bank, SMI_MAX_TIMEOUT);
if (retval != ERROR_OK)
return retval;
return ERROR_OK;
}
static int ath79_erase_sector(struct flash_bank *bank, int sector)
{
int retval = ath79_write_enable(bank);
if (retval != ERROR_OK)
return retval;
/* send SPI command "block erase" */
retval = erase_command(bank, sector);
if (retval != ERROR_OK)
return retval;
/* poll WIP for end of self timed Sector Erase cycle */
return wait_till_ready(bank, ATH79_MAX_TIMEOUT);
}
