CSR_FLASH_64K_BANK
bank_select |= CSR_FLASH_64K_BANK;
if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
bank_select |= CSR_FLASH_64K_BANK;
(bank_select & CSR_FLASH_64K_BANK)) {
bank_select &= ~(CSR_FLASH_64K_BANK);
bank_select |= CSR_FLASH_64K_BANK;
if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
bank_select |= CSR_FLASH_64K_BANK;
(bank_select & CSR_FLASH_64K_BANK)) {
bank_select &= ~(CSR_FLASH_64K_BANK);