DCRN_SRAM0_SB0CR 127 arch/powerpc/platforms/4xx/soc.c mtdcr(dcrbase_isram + DCRN_SRAM0_SB0CR, DCRN_SRAM0_SB0CR 128 arch/powerpc/platforms/4xx/soc.c mfdcr(dcrbase_isram + DCRN_SRAM0_SB0CR) & ~SRAM_SBCR_BU_MASK);