ARCv3: Setup cluster apertures

There was an issue P10019796-55966 where we first time made an attempt
tuning cluster apertures. Issue was fixed. But the function which setups
apertures is commented out in the kernel. And all works.
Now I'm enabling and start testing the kernel with arc_cluster_mumbojumbo().
Not sure that it is necessary, will live will see.

Author: xxkent

arch/arc/mm/cache-arcv3.c

@@ -28,6 +28,8 @@ static int read_decode_cache_bcr_arcv3(int c, char *buf, int len)
 	if (cbcr.ver_maj == 0)
 		return n;
 
+	arc_cluster_mumbojumbo();
+
 	READ_BCR(ARC_REG_CLNR_BCR_0, cln0);
 
 	if (cln0.has_scm) {

arch/arc/mm/cluster.c

@@ -4,8 +4,6 @@
 
 #include <asm/cluster.h>
 
-#if 0
-TODO: blocked by P10019796-55966
 void arc_cluster_mumbojumbo()
 {
 	/*
@@ -16,16 +14,15 @@ void arc_cluster_mumbojumbo()
 	 * SCM -> 0xFz+1MB -> 1Mb
 	 */
 
-	arc_cln_write_reg(ARC_CLN_MST_NOC_0_0_ADDR, 0x800);
-	arc_cln_write_reg(ARC_CLN_MST_NOC_0_0_SIZE, 0x400);
+	arc_cln_write_reg(ARC_CLN_MST_NOC_0_0_ADDR, 0x000); //0x800
+	arc_cln_write_reg(ARC_CLN_MST_NOC_0_0_SIZE, 0x800); //0x400
 
 	arc_cln_write_reg(ARC_CLN_PER_0_BASE, 0xf00);
 	arc_cln_write_reg(ARC_CLN_PER_0_SIZE,   0x1);
 
 	arc_cln_write_reg(ARC_CLN_SHMEM_ADDR, 0xf01);
 	arc_cln_write_reg(ARC_CLN_SHMEM_SIZE,   0x1);
 }
-#endif
 
 void arc_cluster_scm_enable()
 {