= DDR3 Stream FIFO CSR v1 = === SDB === * SDB Device ID 0xf6a4e20c === RegIO === Reg 0x0 - Control, R/W . [0] - softclear . [1] - counters lock Reg 0x1 - Status, RO . [0] - FIFO empty . [1] - FIFO full . [2] - DDR3 initialization and calibration complete Reg 0x2 - Log2 of DDR3 size in bytes, RO Reg 0x4 - FIFO occupancy, 64 bits, RO Reg 0x8 - ECC multiple errors counter, 32-bits, RO Reg 0xA - ECC single error counter, 32-bits, RO