ACC_CORE_OF_CTRL
acc_set_bits(core, ACC_CORE_OF_CTRL, ctrl);
acc_clear_bits(core, ACC_CORE_OF_CTRL,
acc_clear_bits(core, ACC_CORE_OF_CTRL,
acc_set_bits(core, ACC_CORE_OF_CTRL,
acc_clear_bits(core, ACC_CORE_OF_CTRL,
u32 ctrl = acc_read32(core, ACC_CORE_OF_CTRL);