diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index 016dc9ed58b8..4c1e14794ec6 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -135,6 +135,10 @@ enum bcm63xx_regs_set {
 #define RSET_DSL_LMEM_SIZE		(64 * 1024 * 4)
 #define RSET_DSL_SIZE			4096
 #define RSET_WDT_SIZE			12
+#define BCM_6338_RSET_SPI_SIZE		64
+#define BCM_6348_RSET_SPI_SIZE		64
+#define BCM_6358_RSET_SPI_SIZE		1804
+#define BCM_6368_RSET_SPI_SIZE		1804
 #define RSET_ENET_SIZE			2048
 #define RSET_ENETDMA_SIZE		2048
 #define RSET_ENETSW_SIZE		65536