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| author | Jonas Gorski <jogo@openwrt.org> | 2013-06-18 08:34:32 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-07-01 15:10:59 +0200 |
| commit | 7ac836ce2aa7b931f6347e554cb65f9e9cc1da57 (patch) | |
| tree | 13b99f09142adc6265dc5cf69b9574b411926471 /arch/mips/bcm63xx/prom.c | |
| parent | a068dde168e0c618e1dc2151a0922254ec3bbf04 (diff) | |
| download | blackbird-op-linux-7ac836ce2aa7b931f6347e554cb65f9e9cc1da57.tar.gz blackbird-op-linux-7ac836ce2aa7b931f6347e554cb65f9e9cc1da57.zip | |
MIPS: BCM63xx: Enable second core SMP on BCM6328 if available
BCM6328 has a OTP which tells us if the second core is available.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: John Crispin <blogic@openwrt.org>
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/5490/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/bcm63xx/prom.c')
| -rw-r--r-- | arch/mips/bcm63xx/prom.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c index 3b21454c56a0..8ac4e095e68e 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; } |
