Index: sys/arm/mv/armada38x/armada38x.c =================================================================== --- sys/arm/mv/armada38x/armada38x.c +++ sys/arm/mv/armada38x/armada38x.c @@ -173,9 +173,13 @@ /* Enable SCU */ val = bus_space_read_4(fdtbus_bs_tag, vaddr_scu, MV_SCU_REG_CTRL); - if (!(val & MV_SCU_ENABLE)) + if (!(val & MV_SCU_ENABLE)) { + /* Enable SCU Speculative linefills to L2 */ + val |= MV_SCU_SL_L2_ENABLE; + bus_space_write_4(fdtbus_bs_tag, vaddr_scu, 0, val | MV_SCU_ENABLE); + } bus_space_unmap(fdtbus_bs_tag, vaddr_scu, MV_SCU_REGS_LEN); return (0); Index: sys/arm/mv/mvreg.h =================================================================== --- sys/arm/mv/mvreg.h +++ sys/arm/mv/mvreg.h @@ -424,7 +424,8 @@ #define MV_SCU_REGS_LEN 0x100 #define MV_SCU_REG_CTRL 0x00 #define MV_SCU_REG_CONFIG 0x04 -#define MV_SCU_ENABLE 1 +#define MV_SCU_ENABLE (1 << 0) +#define MV_SCU_SL_L2_ENABLE (1 << 3) #define SCU_CFG_REG_NCPU_MASK 0x3 #endif