PSOC_SCRATCHPAD_ADDR
region->region_base = PSOC_SCRATCHPAD_ADDR;
region->offset_in_bar = PSOC_SCRATCHPAD_ADDR - SPI_FLASH_BASE_ADDR;
u32 scratch_addr_lo = lower_32_bits(PSOC_SCRATCHPAD_ADDR);
u32 scratch_addr_hi = upper_32_bits(PSOC_SCRATCHPAD_ADDR);