From 7ac836ce2aa7b931f6347e554cb65f9e9cc1da57 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Tue, 18 Jun 2013 08:34:32 +0000
Subject: 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>
---
 arch/mips/bcm63xx/prom.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'arch/mips/bcm63xx')

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;
 		}
-- 
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