X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-sh%2Firq.h;h=11850f65c92216d510f7b242e990ebe33b4a82ff;hb=8755e568250ecd3149ecd3495d8070f3a5384f73;hp=afe188f0ad5f444ee60e7356ec650de87f6216fd;hpb=cddece4beccaa72dcb57d64a7f1e496b2e61a16b;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-sh/irq.h b/include/asm-sh/irq.h index afe188f0ad5..11850f65c92 100644 --- a/include/asm-sh/irq.h +++ b/include/asm-sh/irq.h @@ -2,94 +2,13 @@ #define __ASM_SH_IRQ_H #include -#include /* for pt_regs */ -/* NR_IRQS is made from three components: - * 1. ONCHIP_NR_IRQS - number of IRLS + on-chip peripherial modules - * 2. PINT_NR_IRQS - number of PINT interrupts - * 3. OFFCHIP_NR_IRQS - numbe of IRQs from off-chip peripherial modules +/* + * A sane default based on a reasonable vector table size, platforms are + * advised to cap this at the hard limit that they're interested in + * through the machvec. */ - -/* 1. ONCHIP_NR_IRQS */ -#if defined(CONFIG_CPU_SUBTYPE_SH7604) -# define ONCHIP_NR_IRQS 24 // Actually 21 -#elif defined(CONFIG_CPU_SUBTYPE_SH7707) -# define ONCHIP_NR_IRQS 64 -# define PINT_NR_IRQS 16 -#elif defined(CONFIG_CPU_SUBTYPE_SH7708) -# define ONCHIP_NR_IRQS 32 -#elif defined(CONFIG_CPU_SUBTYPE_SH7709) || \ - defined(CONFIG_CPU_SUBTYPE_SH7706) || \ - defined(CONFIG_CPU_SUBTYPE_SH7705) -# define ONCHIP_NR_IRQS 64 // Actually 61 -# define PINT_NR_IRQS 16 -#elif defined(CONFIG_CPU_SUBTYPE_SH7710) -# define ONCHIP_NR_IRQS 104 -#elif defined(CONFIG_CPU_SUBTYPE_SH7750) -# define ONCHIP_NR_IRQS 48 // Actually 44 -#elif defined(CONFIG_CPU_SUBTYPE_SH7751) -# define ONCHIP_NR_IRQS 72 -#elif defined(CONFIG_CPU_SUBTYPE_SH7760) -# define ONCHIP_NR_IRQS 112 /* XXX */ -#elif defined(CONFIG_CPU_SUBTYPE_SH4_202) -# define ONCHIP_NR_IRQS 72 -#elif defined(CONFIG_CPU_SUBTYPE_ST40STB1) -# define ONCHIP_NR_IRQS 144 -#elif defined(CONFIG_CPU_SUBTYPE_SH7300) || \ - defined(CONFIG_CPU_SUBTYPE_SH73180) || \ - defined(CONFIG_CPU_SUBTYPE_SH7343) || \ - defined(CONFIG_CPU_SUBTYPE_SH7722) -# define ONCHIP_NR_IRQS 109 -#elif defined(CONFIG_CPU_SUBTYPE_SH7780) -# define ONCHIP_NR_IRQS 111 -#elif defined(CONFIG_CPU_SUBTYPE_SH7206) -# define ONCHIP_NR_IRQS 256 -#elif defined(CONFIG_CPU_SUBTYPE_SH7619) -# define ONCHIP_NR_IRQS 128 -#elif defined(CONFIG_SH_UNKNOWN) /* Most be last */ -# define ONCHIP_NR_IRQS 144 -#endif - -/* 2. PINT_NR_IRQS */ -#ifdef CONFIG_SH_UNKNOWN -# define PINT_NR_IRQS 16 -#else -# ifndef PINT_NR_IRQS -# define PINT_NR_IRQS 0 -# endif -#endif - -#if PINT_NR_IRQS > 0 -# define PINT_IRQ_BASE ONCHIP_NR_IRQS -#endif - -/* 3. OFFCHIP_NR_IRQS */ -#if defined(CONFIG_HD64461) -# define OFFCHIP_NR_IRQS 18 -#elif defined(CONFIG_HD64465) -# define OFFCHIP_NR_IRQS 16 -#elif defined (CONFIG_SH_DREAMCAST) -# define OFFCHIP_NR_IRQS 96 -#elif defined (CONFIG_SH_TITAN) -# define OFFCHIP_NR_IRQS 4 -#elif defined(CONFIG_SH_R7780RP) -# define OFFCHIP_NR_IRQS 16 -#elif defined(CONFIG_SH_7343_SOLUTION_ENGINE) -# define OFFCHIP_NR_IRQS 12 -#elif defined(CONFIG_SH_7722_SOLUTION_ENGINE) -# define OFFCHIP_NR_IRQS 14 -#elif defined(CONFIG_SH_UNKNOWN) -# define OFFCHIP_NR_IRQS 16 /* Must also be last */ -#else -# define OFFCHIP_NR_IRQS 0 -#endif - -#if OFFCHIP_NR_IRQS > 0 -# define OFFCHIP_IRQ_BASE (ONCHIP_NR_IRQS + PINT_NR_IRQS) -#endif - -/* NR_IRQS. 1+2+3 */ -#define NR_IRQS (ONCHIP_NR_IRQS + PINT_NR_IRQS + OFFCHIP_NR_IRQS) +#define NR_IRQS 256 /* * Convert back and forth between INTEVT and IRQ values. @@ -112,47 +31,7 @@ extern unsigned short *irq_mask_register; * PINT IRQs */ void init_IRQ_pint(void); - -/* - * The shift value is now the number of bits to shift, not the number of - * bits/4. This is to make it easier to read the value directly from the - * datasheets. The IPR address, addr, will be set from ipr_idx via the - * map_ipridx_to_addr function. - */ -struct ipr_data { - unsigned int irq; - int ipr_idx; /* Index for the IPR registered */ - int shift; /* Number of bits to shift the data */ - int priority; /* The priority */ - unsigned int addr; /* Address of Interrupt Priority Register */ -}; - -/* - * Given an IPR IDX, map the value to an IPR register address. - */ -unsigned int map_ipridx_to_addr(int idx); - -/* - * Enable individual interrupt mode for external IPR IRQs. - */ -void ipr_irq_enable_irlm(void); - -/* - * Function for "on chip support modules". - */ -void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs); void make_imask_irq(unsigned int irq); -void init_IRQ_ipr(void); - -struct intc2_data { - unsigned short irq; - unsigned char ipr_offset, ipr_shift; - unsigned char msk_offset, msk_shift; - unsigned char priority; -}; - -void make_intc2_irq(struct intc2_data *, unsigned int nr_irqs); -void init_IRQ_intc2(void); static inline int generic_irq_demux(int irq) { @@ -162,7 +41,7 @@ static inline int generic_irq_demux(int irq) #define irq_canonicalize(irq) (irq) #define irq_demux(irq) sh_mv.mv_irq_demux(irq) -#ifdef CONFIG_4KSTACKS +#ifdef CONFIG_IRQSTACKS extern void irq_ctx_init(int cpu); extern void irq_ctx_exit(int cpu); # define __ARCH_HAS_DO_SOFTIRQ