openwrtv4/target/linux/brcm63xx/patches-3.9/109-MIPS-BCM63XX-disable-SMP-also-on-BCM3368.patch
Jonas Gorski e7d93889d7 bcm63xx: make smp kernels boot on older SoCs
Enhance BMIPS support so SMP kernels work on older chips.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 37099
2013-06-30 13:10:00 +00:00

36 lines
1.1 KiB
Diff

From 32d4b03c0aedb96022e86a67a560f6eaf488200a Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Fri, 28 Jun 2013 00:25:13 +0200
Subject: [PATCH 10/10] MIPS: BCM63XX: disable SMP also on BCM3368
BCM3368 has the same shared TLB as BCM6358.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/prom.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/arch/mips/bcm63xx/prom.c
+++ b/arch/mips/bcm63xx/prom.c
@@ -64,9 +64,9 @@ void __init prom_init(void)
if (cpu_is_bmips4350()) {
/*
- * BCM6328 might not have its second CPU enabled, while BCM6358
- * needs special handling for its shared TLB, so disable SMP
- * for now.
+ * BCM6328 might not have its second CPU enabled, while BCM3368
+ * and BCM6358 need special handling for their shared TLB, so
+ * disable SMP for now.
*/
if (BCMCPU_IS_6328()) {
reg = bcm_readl(BCM_6328_OTP_BASE +
@@ -74,7 +74,7 @@ void __init prom_init(void)
if (reg & OTP_6328_REG3_TP1_DISABLED)
bmips_smp_enabled = 0;
- } else if (BCMCPU_IS_6358()) {
+ } else if (BCMCPU_IS_3368() || BCMCPU_IS_6358()) {
bmips_smp_enabled = 0;
}