diff options
Diffstat (limited to 'arch/blackfin/mach-common')
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 208 |
1 files changed, 121 insertions, 87 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index c4b94c42db83..a7e97a3607da 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -27,7 +27,7 @@ #include <asm/irq_handler.h> #include <asm/dpmc.h> -#ifndef CONFIG_BF60x +#ifndef SEC_GCTL # define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1)) #else # define SIC_SYSIRQ(irq) ((irq) - IVG15) @@ -56,7 +56,7 @@ unsigned long bfin_sic_iwr[3]; /* Up to 3 SIC_IWRx registers */ unsigned vr_wakeup; #endif -#ifndef CONFIG_BF60x +#ifndef SEC_GCTL static struct ivgx { /* irq number for request_irq, available in mach-bf5xx/irq.h */ unsigned int irqno; @@ -143,7 +143,7 @@ static void bfin_core_unmask_irq(struct irq_data *d) void bfin_internal_mask_irq(unsigned int irq) { unsigned long flags = hard_local_irq_save(); -#ifndef CONFIG_BF60x +#ifndef SEC_GCTL #ifdef SIC_IMASK0 unsigned mask_bank = SIC_SYSIRQ(irq) / 32; unsigned mask_bit = SIC_SYSIRQ(irq) % 32; @@ -175,7 +175,7 @@ void bfin_internal_unmask_irq(unsigned int irq) { unsigned long flags = hard_local_irq_save(); -#ifndef CONFIG_BF60x +#ifndef SEC_GCTL #ifdef SIC_IMASK0 unsigned mask_bank = SIC_SYSIRQ(irq) / 32; unsigned mask_bit = SIC_SYSIRQ(irq) % 32; @@ -199,7 +199,7 @@ void bfin_internal_unmask_irq(unsigned int irq) hard_local_irq_restore(flags); } -#ifdef CONFIG_BF60x +#ifdef SEC_GCTL static void bfin_sec_preflow_handler(struct irq_data *d) { unsigned long flags = hard_local_irq_save(); @@ -419,7 +419,7 @@ static void bfin_internal_unmask_irq_chip(struct irq_data *d) } #endif -#if defined(CONFIG_PM) && !defined(CONFIG_BF60x) +#if defined(CONFIG_PM) && !defined(SEC_GCTL) int bfin_internal_set_wake(unsigned int irq, unsigned int state) { u32 bank, bit, wakeup = 0; @@ -503,7 +503,7 @@ static struct irq_chip bfin_internal_irqchip = { .irq_set_wake = bfin_internal_set_wake_chip, }; -#ifdef CONFIG_BF60x +#ifdef SEC_GCTL static struct irq_chip bfin_sec_irqchip = { .name = "SEC", .irq_mask_ack = bfin_sec_mask_ack_irq, @@ -512,7 +512,6 @@ static struct irq_chip bfin_sec_irqchip = { .irq_eoi = bfin_sec_unmask_irq, .irq_disable = bfin_sec_disable, .irq_enable = bfin_sec_enable, - .irq_set_wake = bfin_internal_set_wake, }; #endif @@ -854,14 +853,6 @@ void bfin_demux_gpio_irq(unsigned int inta_irq, #else -# ifndef CONFIG_BF60x -#define NR_PINT_SYS_IRQS 4 -#define NR_PINTS 160 -# else -#define NR_PINT_SYS_IRQS 6 -#define NR_PINTS 112 -#endif - #define NR_PINT_BITS 32 #define IRQ_NOT_AVAIL 0xFF @@ -883,29 +874,21 @@ static struct bfin_pint_regs * const pint[NR_PINT_SYS_IRQS] = { #endif }; -#ifndef CONFIG_BF60x inline unsigned int get_irq_base(u32 bank, u8 bmap) { unsigned int irq_base; +#ifndef CONFIG_BF60x if (bank < 2) { /*PA-PB */ irq_base = IRQ_PA0 + bmap * 16; } else { /*PC-PJ */ irq_base = IRQ_PC0 + bmap * 16; } - - return irq_base; -} #else -inline unsigned int get_irq_base(u32 bank, u8 bmap) -{ - unsigned int irq_base; - irq_base = IRQ_PA0 + bank * 16 + bmap * 16; - +#endif return irq_base; } -#endif /* Whenever PINTx_ASSIGN is altered init_pint_lut() must be executed! */ void init_pint_lut(void) @@ -1138,7 +1121,7 @@ void bfin_pint_resume(void) } } -#ifdef CONFIG_BF60x +#ifdef SEC_GCTL static int sec_suspend(void) { u32 bank; @@ -1272,6 +1255,7 @@ void __cpuinit init_exception_vectors(void) CSYNC(); } +#ifndef SEC_GCTL /* * This function should be called during kernel startup to initialize * the BFin IRQ handling routines. @@ -1282,7 +1266,6 @@ int __init init_arch_irq(void) int irq; unsigned long ilat = 0; -#ifndef CONFIG_BF60x /* Disable all the peripheral intrs - page 4-29 HW Ref manual */ #ifdef SIC_IMASK0 bfin_write_SIC_IMASK0(SIC_UNMASK_ALL); @@ -1297,9 +1280,6 @@ int __init init_arch_irq(void) #else bfin_write_SIC_IMASK(SIC_UNMASK_ALL); #endif -#else /* CONFIG_BF60x */ - bfin_write_SEC_GCTL(SEC_GCTL_RESET); -#endif local_irq_disable(); @@ -1309,10 +1289,6 @@ int __init init_arch_irq(void) pint[1]->assign = CONFIG_PINT1_ASSIGN; pint[2]->assign = CONFIG_PINT2_ASSIGN; pint[3]->assign = CONFIG_PINT3_ASSIGN; -# ifdef CONFIG_BF60x - pint[4]->assign = CONFIG_PINT4_ASSIGN; - pint[5]->assign = CONFIG_PINT5_ASSIGN; -# endif # endif /* Whenever PINTx_ASSIGN is altered init_pint_lut() must be executed! */ init_pint_lut(); @@ -1325,7 +1301,6 @@ int __init init_arch_irq(void) irq_set_chip(irq, &bfin_internal_irqchip); switch (irq) { -#ifndef CONFIG_BF60x #if BFIN_GPIO_PINT case IRQ_PINT0: case IRQ_PINT1: @@ -1361,7 +1336,6 @@ int __init init_arch_irq(void) irq_set_handler(irq, handle_percpu_irq); break; #endif -#endif #ifdef CONFIG_TICKSOURCE_CORETMR case IRQ_CORETMR: @@ -1391,8 +1365,7 @@ int __init init_arch_irq(void) init_mach_irq(); -#ifndef CONFIG_BF60x -#if (defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)) && !defined(CONFIG_BF60x) +#if (defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)) for (irq = IRQ_MAC_PHYINT; irq <= IRQ_MAC_STMDONE; irq++) irq_set_chip_and_handler(irq, &bfin_mac_status_irqchip, handle_level_irq); @@ -1402,28 +1375,6 @@ int __init init_arch_irq(void) irq < (GPIO_IRQ_BASE + MAX_BLACKFIN_GPIOS); irq++) irq_set_chip_and_handler(irq, &bfin_gpio_irqchip, handle_level_irq); -#else - for (irq = BFIN_IRQ(0); irq <= SYS_IRQS; irq++) { - if (irq < CORE_IRQS && irq != IRQ_CGU_EVT) { - irq_set_chip(irq, &bfin_sec_irqchip); - __irq_set_handler(irq, handle_sec_fault, 0, NULL); - } else if (irq >= BFIN_IRQ(21) && irq <= BFIN_IRQ(26)) { - irq_set_chip(irq, &bfin_sec_irqchip); - irq_set_chained_handler(irq, bfin_demux_gpio_irq); - } else if (irq >= BFIN_IRQ(34) && irq <= BFIN_IRQ(37)) { - irq_set_chip(irq, &bfin_sec_irqchip); - irq_set_handler(irq, handle_percpu_irq); - } else { - irq_set_chip_and_handler(irq, &bfin_sec_irqchip, - handle_fasteoi_irq); - __irq_set_preflow_handler(irq, bfin_sec_preflow_handler); - } - } - for (irq = GPIO_IRQ_BASE; - irq < (GPIO_IRQ_BASE + MAX_BLACKFIN_GPIOS); irq++) - irq_set_chip_and_handler(irq, &bfin_gpio_irqchip, - handle_level_irq); -#endif bfin_write_IMASK(0); CSYNC(); ilat = bfin_read_ILAT(); @@ -1435,7 +1386,6 @@ int __init init_arch_irq(void) /* IMASK=xxx is equivalent to STI xx or bfin_irq_flags=xx, * local_irq_enable() */ -#ifndef CONFIG_BF60x program_IAR(); /* Therefore it's better to setup IARs before interrupts enabled */ search_IAR(); @@ -1469,23 +1419,6 @@ int __init init_arch_irq(void) #else bfin_write_SIC_IWR(IWR_DISABLE_ALL); #endif -#else /* CONFIG_BF60x */ - /* Enable interrupts IVG7-15 */ - bfin_irq_flags |= IMASK_IVG15 | - IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | - IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; - - - bfin_write_SEC_FCTL(SEC_FCTL_EN | SEC_FCTL_SYSRST_EN | SEC_FCTL_FLTIN_EN); - bfin_sec_enable_sci(SIC_SYSIRQ(IRQ_WATCH0)); - bfin_sec_enable_ssi(SIC_SYSIRQ(IRQ_WATCH0)); - bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_RESET); - udelay(100); - bfin_write_SEC_GCTL(SEC_GCTL_EN); - bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN); - init_software_driven_irq(); - register_syscore_ops(&sec_pm_syscore_ops); -#endif return 0; } @@ -1494,14 +1427,11 @@ __attribute__((l1_text)) #endif static int vec_to_irq(int vec) { -#ifndef CONFIG_BF60x struct ivgx *ivg = ivg7_13[vec - IVG7].ifirst; struct ivgx *ivg_stop = ivg7_13[vec - IVG7].istop; unsigned long sic_status[3]; -#endif if (likely(vec == EVT_IVTMR_P)) return IRQ_CORETMR; -#ifndef CONFIG_BF60x #ifdef SIC_ISR sic_status[0] = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR(); #else @@ -1530,11 +1460,112 @@ static int vec_to_irq(int vec) #endif return ivg->irqno; } -#else - /* for bf60x read */ +} + +#else /* SEC_GCTL */ + +/* + * This function should be called during kernel startup to initialize + * the BFin IRQ handling routines. + */ + +int __init init_arch_irq(void) +{ + int irq; + unsigned long ilat = 0; + + bfin_write_SEC_GCTL(SEC_GCTL_RESET); + + local_irq_disable(); + +#if BFIN_GPIO_PINT +# ifdef CONFIG_PINTx_REASSIGN + pint[0]->assign = CONFIG_PINT0_ASSIGN; + pint[1]->assign = CONFIG_PINT1_ASSIGN; + pint[2]->assign = CONFIG_PINT2_ASSIGN; + pint[3]->assign = CONFIG_PINT3_ASSIGN; + pint[4]->assign = CONFIG_PINT4_ASSIGN; + pint[5]->assign = CONFIG_PINT5_ASSIGN; +# endif + /* Whenever PINTx_ASSIGN is altered init_pint_lut() must be executed! */ + init_pint_lut(); +#endif + + for (irq = 0; irq <= SYS_IRQS; irq++) { + if (irq <= IRQ_CORETMR) { + irq_set_chip(irq, &bfin_core_irqchip); +#ifdef CONFIG_TICKSOURCE_CORETMR + if (irq == IRQ_CORETMR) +# ifdef CONFIG_SMP + irq_set_handler(irq, handle_percpu_irq); +# else + irq_set_handler(irq, handle_simple_irq); +# endif +#endif + } else if (irq < BFIN_IRQ(0)) { + irq_set_chip_and_handler(irq, &bfin_internal_irqchip, + handle_simple_irq); + } else if (irq < CORE_IRQS && irq != IRQ_CGU_EVT) { + irq_set_chip_and_handler(irq, &bfin_sec_irqchip, + handle_sec_fault); + } else if (irq >= BFIN_IRQ(21) && irq <= BFIN_IRQ(26)) { + irq_set_chip(irq, &bfin_sec_irqchip); + irq_set_chained_handler(irq, bfin_demux_gpio_irq); + } else if (irq >= BFIN_IRQ(34) && irq <= BFIN_IRQ(37)) { + irq_set_chip(irq, &bfin_sec_irqchip); + irq_set_handler(irq, handle_percpu_irq); + } else { + irq_set_chip_and_handler(irq, &bfin_sec_irqchip, + handle_fasteoi_irq); + __irq_set_preflow_handler(irq, bfin_sec_preflow_handler); + } + } + for (irq = GPIO_IRQ_BASE; + irq < (GPIO_IRQ_BASE + MAX_BLACKFIN_GPIOS); irq++) + irq_set_chip_and_handler(irq, &bfin_gpio_irqchip, + handle_level_irq); + + bfin_write_IMASK(0); + CSYNC(); + ilat = bfin_read_ILAT(); + CSYNC(); + bfin_write_ILAT(ilat); + CSYNC(); + + printk(KERN_INFO "Configuring Blackfin Priority Driven Interrupts\n"); + + /* Enable interrupts IVG7-15 */ + bfin_irq_flags |= IMASK_IVG15 | + IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | + IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; + + + bfin_write_SEC_FCTL(SEC_FCTL_EN | SEC_FCTL_SYSRST_EN | SEC_FCTL_FLTIN_EN); + bfin_sec_enable_sci(SIC_SYSIRQ(IRQ_WATCH0)); + bfin_sec_enable_ssi(SIC_SYSIRQ(IRQ_WATCH0)); + bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_RESET); + udelay(100); + bfin_write_SEC_GCTL(SEC_GCTL_EN); + bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN); + bfin_write_SEC_SCI(1, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN); + + init_software_driven_irq(); + register_syscore_ops(&sec_pm_syscore_ops); + + return 0; +} + +#ifdef CONFIG_DO_IRQ_L1 +__attribute__((l1_text)) +#endif +static int vec_to_irq(int vec) +{ + if (likely(vec == EVT_IVTMR_P)) + return IRQ_CORETMR; + return BFIN_IRQ(bfin_read_SEC_SCI(0, SEC_CSID)); -#endif /* end of CONFIG_BF60x */ } +#endif /* SEC_GCTL */ #ifdef CONFIG_DO_IRQ_L1 __attribute__((l1_text)) @@ -1556,6 +1587,10 @@ int __ipipe_get_irq_priority(unsigned irq) if (irq <= IRQ_CORETMR) return irq; +#ifdef SEC_GCTL + if (irq >= BFIN_IRQ(0)) + return IVG11; +#else for (ient = 0; ient < NR_PERI_INTS; ient++) { struct ivgx *ivg = ivg_table + ient; if (ivg->irqno == irq) { @@ -1566,6 +1601,7 @@ int __ipipe_get_irq_priority(unsigned irq) } } } +#endif return IVG15; } @@ -1578,8 +1614,6 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) { struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr(); struct ipipe_domain *this_domain = __ipipe_current_domain; - struct ivgx *ivg_stop = ivg7_13[vec-IVG7].istop; - struct ivgx *ivg = ivg7_13[vec-IVG7].ifirst; int irq, s = 0; irq = vec_to_irq(vec); |