ARC: eliminate struct cpuinfo_arc #3: don't export

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

Author: vineetgarc

arch/arc/include/asm/arcregs.h

@@ -359,8 +359,6 @@ struct cpuinfo_arc {
 	struct bcr_mpy extn_mpy;
 };
 
-extern struct cpuinfo_arc cpuinfo_arc700[];
-
 static inline int is_isa_arcv3(void)
 {
 	return IS_ENABLED(CONFIG_ISA_ARCV3);

arch/arc/kernel/mcip.c

@@ -165,8 +165,6 @@ static void mcip_probe_n_setup(void)
 		IS_AVAIL1(mp.idu, "IDU "),
 		IS_AVAIL1(mp.dbg, "DEBUG "),
 		IS_AVAIL1(mp.gfrc, "GFRC"));
-
-	cpuinfo_arc700[0].extn.gfrc = mp.gfrc;
 }
 
 struct plat_smp_ops plat_smp_ops = {

arch/arc/plat-hsdk/platform.c

@@ -19,18 +19,24 @@ int arc_hsdk_axi_dmac_coherent __section(.data) = 0;
 
 static void __init hsdk_init_per_cpu(unsigned int cpu)
 {
+	struct bcr_iccm_arcv2 iccm;
+	struct bcr_dccm_arcv2 dccm;
+
+	READ_BCR(ARC_REG_ICCM_BUILD, iccm);
+	READ_BCR(ARC_REG_DCCM_BUILD, dccm);
+
 	/*
 	 * By default ICCM is mapped to 0x7z while this area is used for
 	 * kernel virtual mappings, so move it to currently unused area.
 	 */
-	if (cpuinfo_arc700[cpu].iccm.sz)
+	if (iccm.ver)
 		write_aux_reg(ARC_REG_AUX_ICCM, ARC_CCM_UNUSED_ADDR);
 
 	/*
 	 * By default DCCM is mapped to 0x8z while this area is used by kernel,
 	 * so move it to currently unused area.
 	 */
-	if (cpuinfo_arc700[cpu].dccm.sz)
+	if (dccm.ver)
 		write_aux_reg(ARC_REG_AUX_DCCM, ARC_CCM_UNUSED_ADDR);
 }