bcm63xx: add SMP support for BCM6362 and BCM6368

BCM6358 requires further work due to its shared TLB.

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

SVN-Revision: 36526

1 files changed, 80 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.8/317-MIPS-BCM63XX-use-a-helper-for-getting-the-right-regi.patch b/target/linux/brcm63xx/patches-3.8/317-MIPS-BCM63XX-use-a-helper-for-getting-the-right-regi.patch
new file mode 100644
index 0000000000..3931b218c9
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.8/317-MIPS-BCM63XX-use-a-helper-for-getting-the-right-regi.patch
@@ -0,0 +1,80 @@
+From 7c9d3fe01034adbb890aab7c44534658f89c211b Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jogo@openwrt.org>
+Date: Thu, 25 Apr 2013 15:35:12 +0200
+Subject: [PATCH 08/13] MIPS: BCM63XX: use a helper for getting the right
+ register address
+
+Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+---
+ arch/mips/bcm63xx/irq.c |   30 ++++++++++++++++++++++++------
+ 1 file changed, 24 insertions(+), 6 deletions(-)
+
+--- a/arch/mips/bcm63xx/irq.c
++++ b/arch/mips/bcm63xx/irq.c
+@@ -251,6 +251,20 @@ static inline u32 get_ext_irq_perf_reg(i
+ 	return ext_irq_cfg_reg2;
+ }
+ 
++static inline u32 get_irq_stat_addr(int cpu)
++{
++	if (cpu == 0)
++		return irq_stat_addr0;
++	return irq_stat_addr1;
++}
++
++static inline u32 get_irq_mask_addr(int cpu)
++{
++	if (cpu == 0)
++		return irq_mask_addr0;
++	return irq_mask_addr1;
++}
++
+ static inline void handle_internal(int intbit)
+ {
+ 	if (is_ext_irq_cascaded &&
+@@ -274,13 +288,15 @@ void __dispatch_internal_##width(void)
+ 	unsigned int src, tgt;						\
+ 	bool irqs_pending = false;					\
+ 	static int i;							\
++	u32 irq_stat_addr = get_irq_stat_addr(0);			\
++	u32 irq_mask_addr = get_irq_mask_addr(0);			\
+ 									\
+ 	/* read registers in reverse order */				\
+ 	for (src = 0, tgt = (width / 32); src < (width / 32); src++) {	\
+ 		u32 val;						\
+ 									\
+-		val = bcm_readl(irq_stat_addr0 + src * sizeof(u32));	\
+-		val &= bcm_readl(irq_mask_addr0 + src * sizeof(u32));	\
++		val = bcm_readl(irq_stat_addr + src * sizeof(u32));	\
++		val &= bcm_readl(irq_mask_addr + src * sizeof(u32));	\
+ 		pending[--tgt] = val;					\
+ 									\
+ 		if (val)						\
+@@ -306,10 +322,11 @@ static void __internal_irq_mask_##width(
+ 	u32 val;							\
+ 	unsigned reg = (irq / 32) ^ (width/32 - 1);			\
+ 	unsigned bit = irq & 0x1f;					\
++	u32 irq_mask_addr = get_irq_mask_addr(0);			\
+ 									\
+-	val = bcm_readl(irq_mask_addr0 + reg * sizeof(u32));		\
++	val = bcm_readl(irq_mask_addr + reg * sizeof(u32));		\
+ 	val &= ~(1 << bit);						\
+-	bcm_writel(val, irq_mask_addr0 + reg * sizeof(u32));		\
++	bcm_writel(val, irq_mask_addr + reg * sizeof(u32));		\
+ }									\
+ 									\
+ static void __internal_irq_unmask_##width(unsigned int irq)		\
+@@ -317,10 +334,11 @@ static void __internal_irq_unmask_##widt
+ 	u32 val;							\
+ 	unsigned reg = (irq / 32) ^ (width/32 - 1);			\
+ 	unsigned bit = irq & 0x1f; 					\
++	u32 irq_mask_addr = get_irq_mask_addr(0);			\
+ 									\
+-	val = bcm_readl(irq_mask_addr0 + reg * sizeof(u32));		\
++	val = bcm_readl(irq_mask_addr + reg * sizeof(u32));		\
+ 	val |= (1 << bit); 						\
+-	bcm_writel(val, irq_mask_addr0 + reg * sizeof(u32));		\
++	bcm_writel(val, irq_mask_addr + reg * sizeof(u32));		\
+ }
+ 
+ BUILD_IPIC_INTERNAL(32);