1 files changed, 12 insertions, 8 deletions

diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index 8f0d6c7725ea..e3c1da59ea13 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -228,17 +228,21 @@ void __init bcm63xx_cpu_init(void)
                 bcm63xx_irqs = bcm6345_irqs;
                 break;
         case CPU_BMIPS4350:
-                switch (read_c0_prid() & 0xf0) {
-                case 0x10:
+                if ((read_c0_prid() & 0xf0) == 0x10) {
                         expected_cpu_id = BCM6358_CPU_ID;
                         bcm63xx_regs_base = bcm6358_regs_base;
                         bcm63xx_irqs = bcm6358_irqs;
-                        break;
-                case 0x30:
-                        expected_cpu_id = BCM6368_CPU_ID;
-                        bcm63xx_regs_base = bcm6368_regs_base;
-                        bcm63xx_irqs = bcm6368_irqs;
-                        break;
+                } else {
+                        /* all newer chips have the same chip id location */
+                        u16 chip_id = bcm_readw(BCM_6368_PERF_BASE);
+
+                        switch (chip_id) {
+                        case BCM6368_CPU_ID:
+                                expected_cpu_id = BCM6368_CPU_ID;
+                                bcm63xx_regs_base = bcm6368_regs_base;
+                                bcm63xx_irqs = bcm6368_irqs;
+                                break;
+                        }
                 }
                 break;
         }