海思SPI驱动源码，适用于Hi3531D,Hi3519A,Hi3559A等海思MPI芯片taticvoidload_ssp_default_config(structpl022*pl022) { if(pl022->vendor->pl023){ writel(DEFAULT_SSP_REG_CR0_ST_PL023,SSP_CR0(pl022->virtbase)); writew(DEFAULT_SSP_REG_CR1_ST_PL023,SSP_CR1(pl022->virtbase)); }elseif(pl022->vendor->exten