85xx: Add L2SRAM Register's macro definition

Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index 41de694..c4d1a9d 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -330,11 +330,12 @@
 		break;
 	}
 
-	if (l2cache->l2ctl & 0x80000000) {
+	if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) {
 		puts("already enabled");
 		l2srbar = l2cache->l2srbar0;
 #ifdef CONFIG_SYS_INIT_L2_ADDR
-		if (l2cache->l2ctl & 0x00010000 && l2srbar >= CONFIG_SYS_FLASH_BASE) {
+		if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE
+				&& l2srbar >= CONFIG_SYS_FLASH_BASE) {
 			l2srbar = CONFIG_SYS_INIT_L2_ADDR;
 			l2cache->l2srbar0 = l2srbar;
 			printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR);