diff options
Diffstat (limited to 'arch/sh/kernel/cpu/irq/ipr.c')
| -rw-r--r-- | arch/sh/kernel/cpu/irq/ipr.c | 124 |
1 files changed, 19 insertions, 105 deletions
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c index 8944abdf6e1..35eb5751a3a 100644 --- a/arch/sh/kernel/cpu/irq/ipr.c +++ b/arch/sh/kernel/cpu/irq/ipr.c @@ -19,15 +19,8 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/module.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/machvec.h> - -struct ipr_data { - unsigned int addr; /* Address of Interrupt Priority Register */ - int shift; /* Shifts of the 16-bit data */ - int priority; /* The priority */ -}; +#include <linux/io.h> +#include <linux/interrupt.h> static void disable_ipr_irq(unsigned int irq) { @@ -44,107 +37,30 @@ static void enable_ipr_irq(unsigned int irq) } static struct irq_chip ipr_irq_chip = { - .name = "ipr", + .name = "IPR", .mask = disable_ipr_irq, .unmask = enable_ipr_irq, .mask_ack = disable_ipr_irq, }; -void make_ipr_irq(unsigned int irq, unsigned int addr, int pos, int priority) -{ - struct ipr_data ipr_data; - - disable_irq_nosync(irq); - - ipr_data.addr = addr; - ipr_data.shift = pos*4; /* POSition (0-3) x 4 means shift */ - ipr_data.priority = priority; - - set_irq_chip_and_handler(irq, &ipr_irq_chip, handle_level_irq); - set_irq_chip_data(irq, &ipr_data); - - enable_ipr_irq(irq); -} - -/* XXX: This needs to die a horrible death.. */ -void __init init_IRQ(void) +void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs) { -#ifndef CONFIG_CPU_SUBTYPE_SH7780 - make_ipr_irq(TIMER_IRQ, TIMER_IPR_ADDR, TIMER_IPR_POS, TIMER_PRIORITY); - make_ipr_irq(TIMER1_IRQ, TIMER1_IPR_ADDR, TIMER1_IPR_POS, TIMER1_PRIORITY); -#ifdef RTC_IRQ - make_ipr_irq(RTC_IRQ, RTC_IPR_ADDR, RTC_IPR_POS, RTC_PRIORITY); -#endif - -#ifdef SCI_ERI_IRQ - make_ipr_irq(SCI_ERI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY); - make_ipr_irq(SCI_RXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY); - make_ipr_irq(SCI_TXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY); -#endif - -#ifdef SCIF1_ERI_IRQ - make_ipr_irq(SCIF1_ERI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); - make_ipr_irq(SCIF1_RXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); - make_ipr_irq(SCIF1_BRI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); - make_ipr_irq(SCIF1_TXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); -#endif - -#if defined(CONFIG_CPU_SUBTYPE_SH7300) - make_ipr_irq(SCIF0_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY); - make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); - make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); - make_ipr_irq(VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); -#endif - -#ifdef SCIF_ERI_IRQ - make_ipr_irq(SCIF_ERI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); - make_ipr_irq(SCIF_RXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); - make_ipr_irq(SCIF_BRI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); - make_ipr_irq(SCIF_TXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); -#endif - -#ifdef IRDA_ERI_IRQ - make_ipr_irq(IRDA_ERI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); - make_ipr_irq(IRDA_RXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); - make_ipr_irq(IRDA_BRI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); - make_ipr_irq(IRDA_TXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); -#endif - -#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \ - defined(CONFIG_CPU_SUBTYPE_SH7706) || \ - defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705) - /* - * Initialize the Interrupt Controller (INTC) - * registers to their power on values - */ - - /* - * Enable external irq (INTC IRQ mode). - * You should set corresponding bits of PFC to "00" - * to enable these interrupts. - */ - make_ipr_irq(IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, IRQ0_PRIORITY); - make_ipr_irq(IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY); - make_ipr_irq(IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY); - make_ipr_irq(IRQ3_IRQ, IRQ3_IPR_ADDR, IRQ3_IPR_POS, IRQ3_PRIORITY); - make_ipr_irq(IRQ4_IRQ, IRQ4_IPR_ADDR, IRQ4_IPR_POS, IRQ4_PRIORITY); - make_ipr_irq(IRQ5_IRQ, IRQ5_IPR_ADDR, IRQ5_IPR_POS, IRQ5_PRIORITY); -#endif -#endif - -#ifdef CONFIG_CPU_HAS_PINT_IRQ - init_IRQ_pint(); -#endif - -#ifdef CONFIG_CPU_HAS_INTC2_IRQ - init_IRQ_intc2(); -#endif - /* Perform the machine specific initialisation */ - if (sh_mv.mv_init_irq != NULL) - sh_mv.mv_init_irq(); - - irq_ctx_init(smp_processor_id()); + int i; + + for (i = 0; i < nr_irqs; i++) { + unsigned int irq = table[i].irq; + table[i].addr = map_ipridx_to_addr(table[i].ipr_idx); + /* could the IPR index be mapped, if not we ignore this */ + if (table[i].addr == 0) + continue; + disable_irq_nosync(irq); + set_irq_chip_and_handler_name(irq, &ipr_irq_chip, + handle_level_irq, "level"); + set_irq_chip_data(irq, &table[i]); + enable_ipr_irq(irq); + } } +EXPORT_SYMBOL(make_ipr_irq); #if !defined(CONFIG_CPU_HAS_PINT_IRQ) int ipr_irq_demux(int irq) @@ -152,5 +68,3 @@ int ipr_irq_demux(int irq) return irq; } #endif - -EXPORT_SYMBOL(make_ipr_irq); |