diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/322-MIPS-BCM63XX-switch-to-IRQ_DOMAIN.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.18/322-MIPS-BCM63XX-switch-to-IRQ_DOMAIN.patch | 694 |
1 files changed, 694 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/322-MIPS-BCM63XX-switch-to-IRQ_DOMAIN.patch b/target/linux/brcm63xx/patches-3.18/322-MIPS-BCM63XX-switch-to-IRQ_DOMAIN.patch new file mode 100644 index 0000000000..49c5bccb21 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.18/322-MIPS-BCM63XX-switch-to-IRQ_DOMAIN.patch @@ -0,0 +1,694 @@ +From d93661c9e164ccc41820eeb4f1881e59a34a9e5c Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Sun, 30 Nov 2014 14:55:02 +0100 +Subject: [PATCH 19/20] MIPS: BCM63XX: switch to IRQ_DOMAIN + +Now that we have working IRQ_DOMAIN drivers for both interrupt controllers, +switch to using them. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + arch/mips/Kconfig | 3 + + arch/mips/bcm63xx/irq.c | 608 ++++++++--------------------------------------- + 2 files changed, 108 insertions(+), 503 deletions(-) + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -144,6 +144,9 @@ config BCM63XX + select SYNC_R4K + select DMA_NONCOHERENT + select IRQ_CPU ++ select BCM6345_EXT_IRQ ++ select BCM6345_L2_IRQ ++ select IRQ_DOMAIN + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_HAS_EARLY_PRINTK +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -12,7 +12,9 @@ + #include <linux/interrupt.h> + #include <linux/module.h> + #include <linux/irq.h> +-#include <linux/spinlock.h> ++#include <linux/irqchip.h> ++#include <linux/irqchip/irq-bcm6345-ext-intc.h> ++#include <linux/irqchip/irq-bcm6345-l2-intc.h> + #include <asm/irq_cpu.h> + #include <asm/mipsregs.h> + #include <bcm63xx_cpu.h> +@@ -20,544 +22,144 @@ + #include <bcm63xx_io.h> + #include <bcm63xx_irq.h> + +- +-static DEFINE_SPINLOCK(ipic_lock); +-static DEFINE_SPINLOCK(epic_lock); +- +-static u32 irq_stat_addr[2]; +-static u32 irq_mask_addr[2]; +-static void (*dispatch_internal)(int cpu); +-static int is_ext_irq_cascaded; +-static unsigned int ext_irq_count; +-static unsigned int ext_irq_start, ext_irq_end; +-static unsigned int ext_irq_cfg_reg1, ext_irq_cfg_reg2; +-static void (*internal_irq_mask)(struct irq_data *d); +-static void (*internal_irq_unmask)(struct irq_data *d, const struct cpumask *m); +- +- +-static inline u32 get_ext_irq_perf_reg(int irq) +-{ +- if (irq < 4) +- return ext_irq_cfg_reg1; +- return ext_irq_cfg_reg2; +-} +- +-static inline void handle_internal(int intbit) +-{ +- if (is_ext_irq_cascaded && +- intbit >= ext_irq_start && intbit <= ext_irq_end) +- do_IRQ(intbit - ext_irq_start + IRQ_EXTERNAL_BASE); +- else +- do_IRQ(intbit + IRQ_INTERNAL_BASE); +-} +- +-static inline int enable_irq_for_cpu(int cpu, struct irq_data *d, +- const struct cpumask *m) +-{ +- bool enable = cpu_online(cpu); +- +-#ifdef CONFIG_SMP +- if (m) +- enable &= cpu_isset(cpu, *m); +- else if (irqd_affinity_was_set(d)) +- enable &= cpu_isset(cpu, *d->affinity); +-#endif +- return enable; +-} +- +-/* +- * dispatch internal devices IRQ (uart, enet, watchdog, ...). do not +- * prioritize any interrupt relatively to another. the static counter +- * will resume the loop where it ended the last time we left this +- * function. +- */ +- +-#define BUILD_IPIC_INTERNAL(width) \ +-void __dispatch_internal_##width(int cpu) \ +-{ \ +- u32 pending[width / 32]; \ +- unsigned int src, tgt; \ +- bool irqs_pending = false; \ +- static unsigned int i[2]; \ +- unsigned int *next = &i[cpu]; \ +- unsigned long flags; \ +- \ +- /* read registers in reverse order */ \ +- spin_lock_irqsave(&ipic_lock, flags); \ +- for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ +- u32 val; \ +- \ +- val = bcm_readl(irq_stat_addr[cpu] + src * sizeof(u32)); \ +- val &= bcm_readl(irq_mask_addr[cpu] + src * sizeof(u32)); \ +- pending[--tgt] = val; \ +- \ +- if (val) \ +- irqs_pending = true; \ +- } \ +- spin_unlock_irqrestore(&ipic_lock, flags); \ +- \ +- if (!irqs_pending) \ +- return; \ +- \ +- while (1) { \ +- unsigned int to_call = *next; \ +- \ +- *next = (*next + 1) & (width - 1); \ +- if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ +- handle_internal(to_call); \ +- break; \ +- } \ +- } \ +-} \ +- \ +-static void __internal_irq_mask_##width(struct irq_data *d) \ +-{ \ +- u32 val; \ +- unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ +- unsigned reg = (irq / 32) ^ (width/32 - 1); \ +- unsigned bit = irq & 0x1f; \ +- unsigned long flags; \ +- int cpu; \ +- \ +- spin_lock_irqsave(&ipic_lock, flags); \ +- for_each_present_cpu(cpu) { \ +- if (!irq_mask_addr[cpu]) \ +- break; \ +- \ +- val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ +- val &= ~(1 << bit); \ +- bcm_writel(val, irq_mask_addr[cpu] + reg * sizeof(u32));\ +- } \ +- spin_unlock_irqrestore(&ipic_lock, flags); \ +-} \ +- \ +-static void __internal_irq_unmask_##width(struct irq_data *d, \ +- const struct cpumask *m) \ +-{ \ +- u32 val; \ +- unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ +- unsigned reg = (irq / 32) ^ (width/32 - 1); \ +- unsigned bit = irq & 0x1f; \ +- unsigned long flags; \ +- int cpu; \ +- \ +- spin_lock_irqsave(&ipic_lock, flags); \ +- for_each_present_cpu(cpu) { \ +- if (!irq_mask_addr[cpu]) \ +- break; \ +- \ +- val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ +- if (enable_irq_for_cpu(cpu, d, m)) \ +- val |= (1 << bit); \ +- else \ +- val &= ~(1 << bit); \ +- bcm_writel(val, irq_mask_addr[cpu] + reg * sizeof(u32));\ +- } \ +- spin_unlock_irqrestore(&ipic_lock, flags); \ +-} +- +-BUILD_IPIC_INTERNAL(32); +-BUILD_IPIC_INTERNAL(64); +- +-asmlinkage void plat_irq_dispatch(void) +-{ +- u32 cause; +- +- do { +- cause = read_c0_cause() & read_c0_status() & ST0_IM; +- +- if (!cause) +- break; +- +- if (cause & CAUSEF_IP7) +- do_IRQ(7); +- if (cause & CAUSEF_IP0) +- do_IRQ(0); +- if (cause & CAUSEF_IP1) +- do_IRQ(1); +- if (cause & CAUSEF_IP2) +- dispatch_internal(0); +- if (is_ext_irq_cascaded) { +- if (cause & CAUSEF_IP3) +- dispatch_internal(1); +- } else { +- if (cause & CAUSEF_IP3) +- do_IRQ(IRQ_EXT_0); +- if (cause & CAUSEF_IP4) +- do_IRQ(IRQ_EXT_1); +- if (cause & CAUSEF_IP5) +- do_IRQ(IRQ_EXT_2); +- if (cause & CAUSEF_IP6) +- do_IRQ(IRQ_EXT_3); +- } +- } while (1); +-} +- +-/* +- * internal IRQs operations: only mask/unmask on PERF irq mask +- * register. +- */ +-static void bcm63xx_internal_irq_mask(struct irq_data *d) +-{ +- internal_irq_mask(d); +-} +- +-static void bcm63xx_internal_irq_unmask(struct irq_data *d) +-{ +- internal_irq_unmask(d, NULL); +-} +- +-/* +- * external IRQs operations: mask/unmask and clear on PERF external +- * irq control register. +- */ +-static void bcm63xx_external_irq_mask(struct irq_data *d) +-{ +- unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; +- u32 reg, regaddr; +- unsigned long flags; +- +- regaddr = get_ext_irq_perf_reg(irq); +- spin_lock_irqsave(&epic_lock, flags); +- reg = bcm_perf_readl(regaddr); +- +- if (BCMCPU_IS_6348()) +- reg &= ~EXTIRQ_CFG_MASK_6348(irq % 4); +- else +- reg &= ~EXTIRQ_CFG_MASK(irq % 4); +- +- bcm_perf_writel(reg, regaddr); +- spin_unlock_irqrestore(&epic_lock, flags); +- +- if (is_ext_irq_cascaded) +- internal_irq_mask(irq_get_irq_data(irq + ext_irq_start)); +-} +- +-static void bcm63xx_external_irq_unmask(struct irq_data *d) +-{ +- unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; +- u32 reg, regaddr; +- unsigned long flags; +- +- regaddr = get_ext_irq_perf_reg(irq); +- spin_lock_irqsave(&epic_lock, flags); +- reg = bcm_perf_readl(regaddr); +- +- if (BCMCPU_IS_6348()) +- reg |= EXTIRQ_CFG_MASK_6348(irq % 4); +- else +- reg |= EXTIRQ_CFG_MASK(irq % 4); +- +- bcm_perf_writel(reg, regaddr); +- spin_unlock_irqrestore(&epic_lock, flags); +- +- if (is_ext_irq_cascaded) +- internal_irq_unmask(irq_get_irq_data(irq + ext_irq_start), +- NULL); +-} +- +-static void bcm63xx_external_irq_clear(struct irq_data *d) +-{ +- unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; +- u32 reg, regaddr; +- unsigned long flags; +- +- regaddr = get_ext_irq_perf_reg(irq); +- spin_lock_irqsave(&epic_lock, flags); +- reg = bcm_perf_readl(regaddr); +- +- if (BCMCPU_IS_6348()) +- reg |= EXTIRQ_CFG_CLEAR_6348(irq % 4); +- else +- reg |= EXTIRQ_CFG_CLEAR(irq % 4); +- +- bcm_perf_writel(reg, regaddr); +- spin_unlock_irqrestore(&epic_lock, flags); +-} +- +-static int bcm63xx_external_irq_set_type(struct irq_data *d, +- unsigned int flow_type) +-{ +- unsigned int irq = d->irq - IRQ_EXTERNAL_BASE; +- u32 reg, regaddr; +- int levelsense, sense, bothedge; +- unsigned long flags; +- +- flow_type &= IRQ_TYPE_SENSE_MASK; +- +- if (flow_type == IRQ_TYPE_NONE) +- flow_type = IRQ_TYPE_LEVEL_LOW; +- +- levelsense = sense = bothedge = 0; +- switch (flow_type) { +- case IRQ_TYPE_EDGE_BOTH: +- bothedge = 1; +- break; +- +- case IRQ_TYPE_EDGE_RISING: +- sense = 1; +- break; +- +- case IRQ_TYPE_EDGE_FALLING: +- break; +- +- case IRQ_TYPE_LEVEL_HIGH: +- levelsense = 1; +- sense = 1; +- break; +- +- case IRQ_TYPE_LEVEL_LOW: +- levelsense = 1; +- break; +- +- default: +- printk(KERN_ERR "bogus flow type combination given !\n"); +- return -EINVAL; +- } +- +- regaddr = get_ext_irq_perf_reg(irq); +- spin_lock_irqsave(&epic_lock, flags); +- reg = bcm_perf_readl(regaddr); +- irq %= 4; +- +- switch (bcm63xx_get_cpu_id()) { +- case BCM6348_CPU_ID: +- if (levelsense) +- reg |= EXTIRQ_CFG_LEVELSENSE_6348(irq); +- else +- reg &= ~EXTIRQ_CFG_LEVELSENSE_6348(irq); +- if (sense) +- reg |= EXTIRQ_CFG_SENSE_6348(irq); +- else +- reg &= ~EXTIRQ_CFG_SENSE_6348(irq); +- if (bothedge) +- reg |= EXTIRQ_CFG_BOTHEDGE_6348(irq); +- else +- reg &= ~EXTIRQ_CFG_BOTHEDGE_6348(irq); +- break; +- +- case BCM3368_CPU_ID: +- case BCM6328_CPU_ID: +- case BCM6338_CPU_ID: +- case BCM6345_CPU_ID: +- case BCM6358_CPU_ID: +- case BCM6362_CPU_ID: +- case BCM6368_CPU_ID: +- if (levelsense) +- reg |= EXTIRQ_CFG_LEVELSENSE(irq); +- else +- reg &= ~EXTIRQ_CFG_LEVELSENSE(irq); +- if (sense) +- reg |= EXTIRQ_CFG_SENSE(irq); +- else +- reg &= ~EXTIRQ_CFG_SENSE(irq); +- if (bothedge) +- reg |= EXTIRQ_CFG_BOTHEDGE(irq); +- else +- reg &= ~EXTIRQ_CFG_BOTHEDGE(irq); +- break; +- default: +- BUG(); +- } +- +- bcm_perf_writel(reg, regaddr); +- spin_unlock_irqrestore(&epic_lock, flags); +- +- irqd_set_trigger_type(d, flow_type); +- if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) +- __irq_set_handler_locked(d->irq, handle_level_irq); +- else +- __irq_set_handler_locked(d->irq, handle_edge_irq); +- +- return IRQ_SET_MASK_OK_NOCOPY; +-} +- +-#ifdef CONFIG_SMP +-static int bcm63xx_internal_set_affinity(struct irq_data *data, +- const struct cpumask *dest, +- bool force) +-{ +- if (!irqd_irq_disabled(data)) +- internal_irq_unmask(data, dest); +- +- return 0; +-} +-#endif +- +-static struct irq_chip bcm63xx_internal_irq_chip = { +- .name = "bcm63xx_ipic", +- .irq_mask = bcm63xx_internal_irq_mask, +- .irq_unmask = bcm63xx_internal_irq_unmask, +-}; +- +-static struct irq_chip bcm63xx_external_irq_chip = { +- .name = "bcm63xx_epic", +- .irq_ack = bcm63xx_external_irq_clear, +- +- .irq_mask = bcm63xx_external_irq_mask, +- .irq_unmask = bcm63xx_external_irq_unmask, +- +- .irq_set_type = bcm63xx_external_irq_set_type, +-}; +- +-static struct irqaction cpu_ip2_cascade_action = { +- .handler = no_action, +- .name = "cascade_ip2", +- .flags = IRQF_NO_THREAD, +-}; +- +-#ifdef CONFIG_SMP +-static struct irqaction cpu_ip3_cascade_action = { +- .handler = no_action, +- .name = "cascade_ip3", +- .flags = IRQF_NO_THREAD, +-}; +-#endif +- +-static struct irqaction cpu_ext_cascade_action = { +- .handler = no_action, +- .name = "cascade_extirq", +- .flags = IRQF_NO_THREAD, +-}; +- + static void bcm63xx_init_irq(void) + { +- int irq_bits; +- +- irq_stat_addr[0] = bcm63xx_regset_address(RSET_PERF); +- irq_mask_addr[0] = bcm63xx_regset_address(RSET_PERF); +- irq_stat_addr[1] = bcm63xx_regset_address(RSET_PERF); +- irq_mask_addr[1] = bcm63xx_regset_address(RSET_PERF); ++ void __iomem *l2_intc_bases[2]; ++ void __iomem *ext_intc_bases[2]; ++ int l2_irq_count, l2_width, ext_irq_count, ext_shift; ++ int l2_irqs[2] = { 2, 3 }; ++ int ext_irqs[6]; ++ ++ l2_intc_bases[0] = (void __iomem *)bcm63xx_regset_address(RSET_PERF); ++ l2_intc_bases[1] = (void __iomem *)bcm63xx_regset_address(RSET_PERF); ++ ext_intc_bases[0] = (void __iomem *)bcm63xx_regset_address(RSET_PERF); ++ ext_intc_bases[1] = (void __iomem *)bcm63xx_regset_address(RSET_PERF); + + switch (bcm63xx_get_cpu_id()) { + case BCM3368_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_3368_REG; +- irq_mask_addr[0] += PERF_IRQMASK_3368_REG; +- irq_stat_addr[1] = 0; +- irq_mask_addr[1] = 0; +- irq_bits = 32; +- ext_irq_count = 4; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_3368; ++ l2_intc_bases[0] += PERF_IRQMASK_3368_REG; ++ l2_irq_count = 1; ++ l2_width = 1; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_3368; ++ ext_irq_count = 4; ++ ext_irqs[0] = BCM_3368_EXT_IRQ0; ++ ext_irqs[1] = BCM_3368_EXT_IRQ1; ++ ext_irqs[2] = BCM_3368_EXT_IRQ2; ++ ext_irqs[3] = BCM_3368_EXT_IRQ3; ++ ext_shift = 4; + break; + case BCM6328_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_6328_REG(0); +- irq_mask_addr[0] += PERF_IRQMASK_6328_REG(0); +- irq_stat_addr[1] += PERF_IRQSTAT_6328_REG(1); +- irq_mask_addr[1] += PERF_IRQMASK_6328_REG(1); +- irq_bits = 64; +- ext_irq_count = 4; +- is_ext_irq_cascaded = 1; +- ext_irq_start = BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE; +- ext_irq_end = BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; ++ l2_intc_bases[0] += PERF_IRQMASK_6328_REG(0); ++ l2_intc_bases[1] += PERF_IRQMASK_6328_REG(1); ++ l2_irq_count = 2; ++ l2_width = 2; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_6328; ++ ext_irq_count = 4; ++ ext_irqs[0] = BCM_6328_EXT_IRQ0; ++ ext_irqs[1] = BCM_6328_EXT_IRQ1; ++ ext_irqs[2] = BCM_6328_EXT_IRQ2; ++ ext_irqs[3] = BCM_6328_EXT_IRQ3; ++ ext_shift = 4; + break; + case BCM6338_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_6338_REG; +- irq_mask_addr[0] += PERF_IRQMASK_6338_REG; +- irq_stat_addr[1] = 0; +- irq_mask_addr[1] = 0; +- irq_bits = 32; +- ext_irq_count = 4; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338; ++ l2_intc_bases[0] += PERF_IRQMASK_6338_REG; ++ l2_irq_count = 1; ++ l2_width = 1; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_6338; ++ ext_irq_count = 4; ++ ext_irqs[0] = 3; ++ ext_irqs[1] = 4; ++ ext_irqs[2] = 5; ++ ext_irqs[3] = 6; ++ ext_shift = 4; + break; + case BCM6345_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_6345_REG; +- irq_mask_addr[0] += PERF_IRQMASK_6345_REG; +- irq_stat_addr[1] = 0; +- irq_mask_addr[1] = 0; +- irq_bits = 32; +- ext_irq_count = 4; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345; ++ l2_intc_bases[0] += PERF_IRQMASK_6345_REG; ++ l2_irq_count = 1; ++ l2_width = 1; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_6345; ++ ext_irq_count = 4; ++ ext_irqs[0] = 3; ++ ext_irqs[1] = 4; ++ ext_irqs[2] = 5; ++ ext_irqs[3] = 6; ++ ext_shift = 4; + break; + case BCM6348_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_6348_REG; +- irq_mask_addr[0] += PERF_IRQMASK_6348_REG; +- irq_stat_addr[1] = 0; +- irq_mask_addr[1] = 0; +- irq_bits = 32; +- ext_irq_count = 4; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6348; ++ l2_intc_bases[0] += PERF_IRQMASK_6348_REG; ++ l2_irq_count = 1; ++ l2_width = 1; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_6348; ++ ext_irq_count = 4; ++ ext_irqs[0] = 3; ++ ext_irqs[1] = 4; ++ ext_irqs[2] = 5; ++ ext_irqs[3] = 6; ++ ext_shift = 5; + break; + case BCM6358_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_6358_REG(0); +- irq_mask_addr[0] += PERF_IRQMASK_6358_REG(0); +- irq_stat_addr[1] += PERF_IRQSTAT_6358_REG(1); +- irq_mask_addr[1] += PERF_IRQMASK_6358_REG(1); +- irq_bits = 32; +- ext_irq_count = 4; +- is_ext_irq_cascaded = 1; +- ext_irq_start = BCM_6358_EXT_IRQ0 - IRQ_INTERNAL_BASE; +- ext_irq_end = BCM_6358_EXT_IRQ3 - IRQ_INTERNAL_BASE; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6358; ++ l2_intc_bases[0] += PERF_IRQMASK_6358_REG(0); ++ l2_intc_bases[1] += PERF_IRQMASK_6358_REG(1); ++ l2_irq_count = 2; ++ l2_width = 1; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_6358; ++ ext_irq_count = 4; ++ ext_irqs[0] = BCM_6358_EXT_IRQ0; ++ ext_irqs[1] = BCM_6358_EXT_IRQ1; ++ ext_irqs[2] = BCM_6358_EXT_IRQ2; ++ ext_irqs[3] = BCM_6358_EXT_IRQ3; ++ ext_shift = 4; + break; + case BCM6362_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_6362_REG(0); +- irq_mask_addr[0] += PERF_IRQMASK_6362_REG(0); +- irq_stat_addr[1] += PERF_IRQSTAT_6362_REG(1); +- irq_mask_addr[1] += PERF_IRQMASK_6362_REG(1); +- irq_bits = 64; +- ext_irq_count = 4; +- is_ext_irq_cascaded = 1; +- ext_irq_start = BCM_6362_EXT_IRQ0 - IRQ_INTERNAL_BASE; +- ext_irq_end = BCM_6362_EXT_IRQ3 - IRQ_INTERNAL_BASE; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6362; ++ l2_intc_bases[0] += PERF_IRQMASK_6362_REG(0); ++ l2_intc_bases[1] += PERF_IRQMASK_6362_REG(1); ++ l2_irq_count = 2; ++ l2_width = 2; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_6362; ++ ext_irq_count = 4; ++ ext_irqs[0] = BCM_6362_EXT_IRQ0; ++ ext_irqs[1] = BCM_6362_EXT_IRQ1; ++ ext_irqs[2] = BCM_6362_EXT_IRQ2; ++ ext_irqs[3] = BCM_6362_EXT_IRQ3; ++ ext_shift = 4; + break; + case BCM6368_CPU_ID: +- irq_stat_addr[0] += PERF_IRQSTAT_6368_REG(0); +- irq_mask_addr[0] += PERF_IRQMASK_6368_REG(0); +- irq_stat_addr[1] += PERF_IRQSTAT_6368_REG(1); +- irq_mask_addr[1] += PERF_IRQMASK_6368_REG(1); +- irq_bits = 64; ++ l2_intc_bases[0] += PERF_IRQMASK_6368_REG(0); ++ l2_intc_bases[1] += PERF_IRQMASK_6368_REG(1); ++ l2_irq_count = 2; ++ l2_width = 2; ++ ++ ext_intc_bases[0] += PERF_EXTIRQ_CFG_REG_6368; ++ ext_intc_bases[1] += PERF_EXTIRQ_CFG_REG2_6368; + ext_irq_count = 6; +- is_ext_irq_cascaded = 1; +- ext_irq_start = BCM_6368_EXT_IRQ0 - IRQ_INTERNAL_BASE; +- ext_irq_end = BCM_6368_EXT_IRQ5 - IRQ_INTERNAL_BASE; +- ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6368; +- ext_irq_cfg_reg2 = PERF_EXTIRQ_CFG_REG2_6368; ++ ext_irqs[0] = BCM_6368_EXT_IRQ0; ++ ext_irqs[1] = BCM_6368_EXT_IRQ1; ++ ext_irqs[2] = BCM_6368_EXT_IRQ2; ++ ext_irqs[3] = BCM_6368_EXT_IRQ3; ++ ext_irqs[4] = BCM_6368_EXT_IRQ4; ++ ext_irqs[5] = BCM_6368_EXT_IRQ5; ++ ext_shift = 4; + break; + default: + BUG(); + } + +- if (irq_bits == 32) { +- dispatch_internal = __dispatch_internal_32; +- internal_irq_mask = __internal_irq_mask_32; +- internal_irq_unmask = __internal_irq_unmask_32; +- } else { +- dispatch_internal = __dispatch_internal_64; +- internal_irq_mask = __internal_irq_mask_64; +- internal_irq_unmask = __internal_irq_unmask_64; +- } ++ mips_cpu_irq_init(); ++ bcm6345_l2_intc_init(l2_irq_count, l2_irqs, l2_intc_bases, l2_width); ++ bcm6345_ext_intc_init(4, ext_irqs, ext_intc_bases[0], ext_shift); ++ if (ext_irq_count > 4) ++ bcm6345_ext_intc_init(2, &ext_irqs[4], ext_intc_bases[1], ++ ext_shift); + } + + void __init arch_init_irq(void) + { +- int i; +- + bcm63xx_init_irq(); +- mips_cpu_irq_init(); +- for (i = IRQ_INTERNAL_BASE; i < NR_IRQS; ++i) +- irq_set_chip_and_handler(i, &bcm63xx_internal_irq_chip, +- handle_level_irq); +- +- for (i = IRQ_EXTERNAL_BASE; i < IRQ_EXTERNAL_BASE + ext_irq_count; ++i) +- irq_set_chip_and_handler(i, &bcm63xx_external_irq_chip, +- handle_edge_irq); +- +- if (!is_ext_irq_cascaded) { +- for (i = 3; i < 3 + ext_irq_count; ++i) +- setup_irq(MIPS_CPU_IRQ_BASE + i, &cpu_ext_cascade_action); +- } +- +- setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); +-#ifdef CONFIG_SMP +- if (is_ext_irq_cascaded) { +- setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action); +- bcm63xx_internal_irq_chip.irq_set_affinity = +- bcm63xx_internal_set_affinity; +- +- cpumask_clear(irq_default_affinity); +- cpumask_set_cpu(smp_processor_id(), irq_default_affinity); +- } +-#endif + } |