diff options
Diffstat (limited to 'arch/mips/bcm63xx/cpu.c')
| -rw-r--r-- | arch/mips/bcm63xx/cpu.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 8f0d6c7725e..e3c1da59ea1 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; } |