acc_read32
fifo_config = acc_read32(core, ACC_CORE_OF_TXFIFO_CONFIG);
tx_fifo_status = acc_read32(core, ACC_CORE_OF_TXFIFO_STATUS);
u32 core_status = acc_read32(priv->core, ACC_CORE_OF_STATUS);
acc_read32(priv->core, ACC_CORE_OF_TXFIFO_STATUS);
u32 v = acc_read32(core, offs);
u32 v = acc_read32(core, offs);
u32 ctrl = acc_read32(core, ACC_CORE_OF_CTRL);