Analog Devices ADSP-BF53x Blackfin Reference page 133

Operating Modes and States
Listing 3-4. Core and System Reset
/* Issue soft reset */
P0.L = LO(SWRST) ;
P0.H = HI(SWRST) ;
R0.L = 0x0007 ;
W[P0] = R0 ;
SSYNC ;
/* Clear soft reset */
P0.L = LO(SWRST) ;
P0.H = HI(SWRST) ;
R0.L = 0x0000 ;
W[P0] = R0 ;
SSYNC ;
/* Core reset - forces reboot */
RAISE 1 ;
ADSP-BF53x/BF56x Blackfin Processor Programming Reference 3-17