diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
index 3b21454c56a05..8ac4e095e68e2 100644
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -69,7 +69,11 @@ void __init prom_init(void)
 		 * for now.
 		 */
 		if (BCMCPU_IS_6328()) {
-			bmips_smp_enabled = 0;
+			reg = bcm_readl(BCM_6328_OTP_BASE +
+					OTP_USER_BITS_6328_REG(3));
+
+			if (reg & OTP_6328_REG3_TP1_DISABLED)
+				bmips_smp_enabled = 0;
 		} else if (BCMCPU_IS_6358()) {
 			bmips_smp_enabled = 0;
 		}
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index 9d3c08e4a7e4e..22390a2a06617 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -296,6 +296,8 @@ enum bcm63xx_regs_set {
 #define BCM_6328_PCMDMAS_BASE		(0xdeadbeef)
 #define BCM_6328_RNG_BASE		(0xdeadbeef)
 #define BCM_6328_MISC_BASE		(0xb0001800)
+#define BCM_6328_OTP_BASE		(0xb0000600)
+
 /*
  * 6338 register sets base address
  */
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index 654213746b32e..018628fe6f157 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1477,4 +1477,11 @@
 
 #define PCIE_DEVICE_OFFSET		0x8000
 
+/*************************************************************************
+ * _REG relative to RSET_OTP
+ *************************************************************************/
+
+#define OTP_USER_BITS_6328_REG(i)	(0x20 + (i) * 4)
+#define   OTP_6328_REG3_TP1_DISABLED	BIT(9)
+
 #endif /* BCM63XX_REGS_H_ */