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openwrt/target/linux/brcm63xx/patches-3.8/315-MIPS-BCM63XX-append-cpu-number-to-irq_-stat-mask.patch
Jonas Gorski d11efa1428 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
2013-05-02 15:28:26 +00:00

259 lines
9.3 KiB
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From 6ec70ebfccd31ae3668d99b5703e5c9ce38384b4 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Thu, 25 Apr 2013 00:24:06 +0200
Subject: [PATCH 06/13] MIPS: BCM63XX: append cpu number to irq_{stat,mask}*
For SMP affinity support we need to discrimnate between the registers
for both CPUs.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/irq.c | 78 ++++++++++-----------
arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 16 ++---
2 files changed, 47 insertions(+), 47 deletions(-)
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -28,8 +28,8 @@ static void __internal_irq_unmask_64(uns
#ifndef BCMCPU_RUNTIME_DETECT
#ifdef CONFIG_BCM63XX_CPU_6328
-#define irq_stat_reg PERF_IRQSTAT_6328_REG
-#define irq_mask_reg PERF_IRQMASK_6328_REG
+#define irq_stat_reg0 PERF_IRQSTAT_6328_REG(0)
+#define irq_mask_reg0 PERF_IRQMASK_6328_REG(0)
#define irq_bits 64
#define is_ext_irq_cascaded 1
#define ext_irq_start (BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE)
@@ -39,8 +39,8 @@ static void __internal_irq_unmask_64(uns
#define ext_irq_cfg_reg2 0
#endif
#ifdef CONFIG_BCM63XX_CPU_6338
-#define irq_stat_reg PERF_IRQSTAT_6338_REG
-#define irq_mask_reg PERF_IRQMASK_6338_REG
+#define irq_stat_reg0 PERF_IRQSTAT_6338_REG
+#define irq_mask_reg0 PERF_IRQMASK_6338_REG
#define irq_bits 32
#define is_ext_irq_cascaded 0
#define ext_irq_start 0
@@ -50,8 +50,8 @@ static void __internal_irq_unmask_64(uns
#define ext_irq_cfg_reg2 0
#endif
#ifdef CONFIG_BCM63XX_CPU_6345
-#define irq_stat_reg PERF_IRQSTAT_6345_REG
-#define irq_mask_reg PERF_IRQMASK_6345_REG
+#define irq_stat_reg0 PERF_IRQSTAT_6345_REG
+#define irq_mask_reg0 PERF_IRQMASK_6345_REG
#define irq_bits 32
#define is_ext_irq_cascaded 0
#define ext_irq_start 0
@@ -61,8 +61,8 @@ static void __internal_irq_unmask_64(uns
#define ext_irq_cfg_reg2 0
#endif
#ifdef CONFIG_BCM63XX_CPU_6348
-#define irq_stat_reg PERF_IRQSTAT_6348_REG
-#define irq_mask_reg PERF_IRQMASK_6348_REG
+#define irq_stat_reg0 PERF_IRQSTAT_6348_REG
+#define irq_mask_reg0 PERF_IRQMASK_6348_REG
#define irq_bits 32
#define is_ext_irq_cascaded 0
#define ext_irq_start 0
@@ -72,8 +72,8 @@ static void __internal_irq_unmask_64(uns
#define ext_irq_cfg_reg2 0
#endif
#ifdef CONFIG_BCM63XX_CPU_6358
-#define irq_stat_reg PERF_IRQSTAT_6358_REG
-#define irq_mask_reg PERF_IRQMASK_6358_REG
+#define irq_stat_reg0 PERF_IRQSTAT_6358_REG(0)
+#define irq_mask_reg0 PERF_IRQMASK_6358_REG(0)
#define irq_bits 32
#define is_ext_irq_cascaded 1
#define ext_irq_start (BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE)
@@ -83,8 +83,8 @@ static void __internal_irq_unmask_64(uns
#define ext_irq_cfg_reg2 0
#endif
#ifdef CONFIG_BCM63XX_CPU_6362
-#define irq_stat_reg PERF_IRQSTAT_6362_REG
-#define irq_mask_reg PERF_IRQMASK_6362_REG
+#define irq_stat_reg0 PERF_IRQSTAT_6362_REG(0)
+#define irq_mask_reg0 PERF_IRQMASK_6362_REG(0)
#define irq_bits 64
#define is_ext_irq_cascaded 1
#define ext_irq_start (BCM_6362_EXT_IRQ0 - IRQ_INTERNAL_BASE)
@@ -94,8 +94,8 @@ static void __internal_irq_unmask_64(uns
#define ext_irq_cfg_reg2 0
#endif
#ifdef CONFIG_BCM63XX_CPU_6368
-#define irq_stat_reg PERF_IRQSTAT_6368_REG
-#define irq_mask_reg PERF_IRQMASK_6368_REG
+#define irq_stat_reg0 PERF_IRQSTAT_6368_REG(0)
+#define irq_mask_reg0 PERF_IRQMASK_6368_REG(0)
#define irq_bits 64
#define is_ext_irq_cascaded 1
#define ext_irq_start (BCM_6368_EXT_IRQ0 - IRQ_INTERNAL_BASE)
@@ -115,15 +115,15 @@ static void __internal_irq_unmask_64(uns
#define internal_irq_unmask __internal_irq_unmask_64
#endif
-#define irq_stat_addr (bcm63xx_regset_address(RSET_PERF) + irq_stat_reg)
-#define irq_mask_addr (bcm63xx_regset_address(RSET_PERF) + irq_mask_reg)
+#define irq_stat_addr0 (bcm63xx_regset_address(RSET_PERF) + irq_stat_reg0)
+#define irq_mask_addr0 (bcm63xx_regset_address(RSET_PERF) + irq_mask_reg0)
static inline void bcm63xx_init_irq(void)
{
}
#else /* ! BCMCPU_RUNTIME_DETECT */
-static u32 irq_stat_addr, irq_mask_addr;
+static u32 irq_stat_addr0, irq_mask_addr0;
static void (*dispatch_internal)(void);
static int is_ext_irq_cascaded;
static unsigned int ext_irq_count;
@@ -136,13 +136,13 @@ static void bcm63xx_init_irq(void)
{
int irq_bits;
- irq_stat_addr = bcm63xx_regset_address(RSET_PERF);
- irq_mask_addr = bcm63xx_regset_address(RSET_PERF);
+ irq_stat_addr0 = bcm63xx_regset_address(RSET_PERF);
+ irq_mask_addr0 = bcm63xx_regset_address(RSET_PERF);
switch (bcm63xx_get_cpu_id()) {
case BCM6328_CPU_ID:
- irq_stat_addr += PERF_IRQSTAT_6328_REG;
- irq_mask_addr += PERF_IRQMASK_6328_REG;
+ irq_stat_addr0 += PERF_IRQSTAT_6328_REG(0);
+ irq_mask_addr0 += PERF_IRQMASK_6328_REG(0);
irq_bits = 64;
ext_irq_count = 4;
is_ext_irq_cascaded = 1;
@@ -151,29 +151,29 @@ static void bcm63xx_init_irq(void)
ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328;
break;
case BCM6338_CPU_ID:
- irq_stat_addr += PERF_IRQSTAT_6338_REG;
- irq_mask_addr += PERF_IRQMASK_6338_REG;
+ irq_stat_addr0 += PERF_IRQSTAT_6338_REG;
+ irq_mask_addr0 += PERF_IRQMASK_6338_REG;
irq_bits = 32;
ext_irq_count = 4;
ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338;
break;
case BCM6345_CPU_ID:
- irq_stat_addr += PERF_IRQSTAT_6345_REG;
- irq_mask_addr += PERF_IRQMASK_6345_REG;
+ irq_stat_addr0 += PERF_IRQSTAT_6345_REG;
+ irq_mask_addr0 += PERF_IRQMASK_6345_REG;
irq_bits = 32;
ext_irq_count = 4;
ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345;
break;
case BCM6348_CPU_ID:
- irq_stat_addr += PERF_IRQSTAT_6348_REG;
- irq_mask_addr += PERF_IRQMASK_6348_REG;
+ irq_stat_addr0 += PERF_IRQSTAT_6348_REG;
+ irq_mask_addr0 += PERF_IRQMASK_6348_REG;
irq_bits = 32;
ext_irq_count = 4;
ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6348;
break;
case BCM6358_CPU_ID:
- irq_stat_addr += PERF_IRQSTAT_6358_REG;
- irq_mask_addr += PERF_IRQMASK_6358_REG;
+ irq_stat_addr0 += PERF_IRQSTAT_6358_REG(0);
+ irq_mask_addr0 += PERF_IRQMASK_6358_REG(0);
irq_bits = 32;
ext_irq_count = 4;
is_ext_irq_cascaded = 1;
@@ -182,8 +182,8 @@ static void bcm63xx_init_irq(void)
ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358;
break;
case BCM6362_CPU_ID:
- irq_stat_addr += PERF_IRQSTAT_6362_REG;
- irq_mask_addr += PERF_IRQMASK_6362_REG;
+ irq_stat_addr0 += PERF_IRQSTAT_6362_REG(0);
+ irq_mask_addr0 += PERF_IRQMASK_6362_REG(0);
irq_bits = 64;
ext_irq_count = 4;
is_ext_irq_cascaded = 1;
@@ -192,8 +192,8 @@ static void bcm63xx_init_irq(void)
ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6362;
break;
case BCM6368_CPU_ID:
- irq_stat_addr += PERF_IRQSTAT_6368_REG;
- irq_mask_addr += PERF_IRQMASK_6368_REG;
+ irq_stat_addr0 += PERF_IRQSTAT_6368_REG(0);
+ irq_mask_addr0 += PERF_IRQMASK_6368_REG(0);
irq_bits = 64;
ext_irq_count = 6;
is_ext_irq_cascaded = 1;
@@ -253,8 +253,8 @@ void __dispatch_internal_##width(void)
for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \
u32 val; \
\
- val = bcm_readl(irq_stat_addr + src * sizeof(u32)); \
- val &= bcm_readl(irq_mask_addr + src * sizeof(u32)); \
+ val = bcm_readl(irq_stat_addr0 + src * sizeof(u32)); \
+ val &= bcm_readl(irq_mask_addr0 + src * sizeof(u32)); \
pending[--tgt] = val; \
\
if (val) \
@@ -281,9 +281,9 @@ static void __internal_irq_mask_##width(
unsigned reg = (irq / 32) ^ (width/32 - 1); \
unsigned bit = irq & 0x1f; \
\
- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \
+ val = bcm_readl(irq_mask_addr0 + reg * sizeof(u32)); \
val &= ~(1 << bit); \
- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \
+ bcm_writel(val, irq_mask_addr0 + reg * sizeof(u32)); \
} \
\
static void __internal_irq_unmask_##width(unsigned int irq) \
@@ -292,9 +292,9 @@ static void __internal_irq_unmask_##widt
unsigned reg = (irq / 32) ^ (width/32 - 1); \
unsigned bit = irq & 0x1f; \
\
- val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \
+ val = bcm_readl(irq_mask_addr0 + reg * sizeof(u32)); \
val |= (1 << bit); \
- bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \
+ bcm_writel(val, irq_mask_addr0 + reg * sizeof(u32)); \
}
BUILD_IPIC_INTERNAL(32);
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -181,22 +181,22 @@
#define SYS_PLL_SOFT_RESET 0x1
/* Interrupt Mask register */
-#define PERF_IRQMASK_6328_REG 0x20
+#define PERF_IRQMASK_6328_REG(x) (0x20 + (x) * 0x10)
#define PERF_IRQMASK_6338_REG 0xc
#define PERF_IRQMASK_6345_REG 0xc
#define PERF_IRQMASK_6348_REG 0xc
-#define PERF_IRQMASK_6358_REG 0xc
-#define PERF_IRQMASK_6362_REG 0x20
-#define PERF_IRQMASK_6368_REG 0x20
+#define PERF_IRQMASK_6358_REG(x) (0xc + (x) * 0x2c)
+#define PERF_IRQMASK_6362_REG(x) (0x20 + (x) * 0x10)
+#define PERF_IRQMASK_6368_REG(x) (0x20 + (x) * 0x10)
/* Interrupt Status register */
-#define PERF_IRQSTAT_6328_REG 0x28
+#define PERF_IRQSTAT_6328_REG(x) (0x28 + (x) * 0x10)
#define PERF_IRQSTAT_6338_REG 0x10
#define PERF_IRQSTAT_6345_REG 0x10
#define PERF_IRQSTAT_6348_REG 0x10
-#define PERF_IRQSTAT_6358_REG 0x10
-#define PERF_IRQSTAT_6362_REG 0x28
-#define PERF_IRQSTAT_6368_REG 0x28
+#define PERF_IRQSTAT_6358_REG(x) (0x10 + (x) * 0x2c)
+#define PERF_IRQSTAT_6362_REG(x) (0x28 + (x) * 0x10)
+#define PERF_IRQSTAT_6368_REG(x) (0x28 + (x) * 0x10)
/* External Interrupt Configuration register */
#define PERF_EXTIRQ_CFG_REG_6328 0x18
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