#ifndef __ASM_SH64_IRQ_H #define __ASM_SH64_IRQ_H /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * include/asm-sh64/irq.h * * Copyright (C) 2000, 2001 Paolo Alberelli * */ #include <linux/config.h> /* * Encoded IRQs are not considered worth to be supported. * Main reason is that there's no per-encoded-interrupt * enable/disable mechanism (as there was in SH3/4). * An all enabled/all disabled is worth only if there's * a cascaded IC to disable/enable/ack on. Until such * IC is available there's no such support. * * Presumably Encoded IRQs may use extra IRQs beyond 64, * below. Some logic must be added to cope with IRQ_IRL? * in an exclusive way. * * Priorities are set at Platform level, when IRQ_IRL0-3 * are set to 0 Encoding is allowed. Otherwise it's not * allowed. */ /* Independent IRQs */ #define IRQ_IRL0 0 #define IRQ_IRL1 1 #define IRQ_IRL2 2 #define IRQ_IRL3 3 #define IRQ_INTA 4 #define IRQ_INTB 5 #define IRQ_INTC 6 #define IRQ_INTD 7 #define IRQ_SERR 12 #define IRQ_ERR 13 #define IRQ_PWR3 14 #define IRQ_PWR2 15 #define IRQ_PWR1 16 #define IRQ_PWR0 17 #define IRQ_DMTE0 18 #define IRQ_DMTE1 19 #define IRQ_DMTE2 20 #define IRQ_DMTE3 21 #define IRQ_DAERR 22 #define IRQ_TUNI0 32 #define IRQ_TUNI1 33 #define IRQ_TUNI2 34 #define IRQ_TICPI2 35 #define IRQ_ATI 36 #define IRQ_PRI 37 #define IRQ_CUI 38 #define IRQ_ERI 39 #define IRQ_RXI 40 #define IRQ_BRI 41 #define IRQ_TXI 42 #define IRQ_ITI 63 #define NR_INTC_IRQS 64 #ifdef CONFIG_SH_CAYMAN #define NR_EXT_IRQS 32 #define START_EXT_IRQS 64 /* PCI bus 2 uses encoded external interrupts on the Cayman board */ #define IRQ_P2INTA (START_EXT_IRQS + (3*8) + 0) #define IRQ_P2INTB (START_EXT_IRQS + (3*8) + 1) #define IRQ_P2INTC (START_EXT_IRQS + (3*8) + 2) #define IRQ_P2INTD (START_EXT_IRQS + (3*8) + 3) #define I8042_KBD_IRQ (START_EXT_IRQS + 2) #define I8042_AUX_IRQ (START_EXT_IRQS + 6) #define IRQ_CFCARD (START_EXT_IRQS + 7) #define IRQ_PCMCIA (0) #else #define NR_EXT_IRQS 0 #endif #define NR_IRQS (NR_INTC_IRQS+NR_EXT_IRQS) /* Default IRQs, fixed */ #define TIMER_IRQ IRQ_TUNI0 #define RTC_IRQ IRQ_CUI /* Default Priorities, Platform may choose differently */ #define NO_PRIORITY 0 /* Disabled */ #define TIMER_PRIORITY 2 #define RTC_PRIORITY TIMER_PRIORITY #define SCIF_PRIORITY 3 #define INTD_PRIORITY 3 #define IRL3_PRIORITY 4 #define INTC_PRIORITY 6 #define IRL2_PRIORITY 7 #define INTB_PRIORITY 9 #define IRL1_PRIORITY 10 #define INTA_PRIORITY 12 #define IRL0_PRIORITY 13 #define TOP_PRIORITY 15 extern void disable_irq(unsigned int); extern void disable_irq_nosync(unsigned int); extern void enable_irq(unsigned int); extern int intc_evt_to_irq[(0xE20/0x20)+1]; int intc_irq_describe(char* p, int irq); #define irq_canonicalize(irq) (irq) #ifdef CONFIG_SH_CAYMAN int cayman_irq_demux(int evt); int cayman_irq_describe(char* p, int irq); #define irq_demux(x) cayman_irq_demux(x) #define irq_describe(p, x) cayman_irq_describe(p, x) #else #define irq_demux(x) (intc_evt_to_irq[x]) #define irq_describe(p, x) intc_irq_describe(p, x) #endif /* * Function for "on chip support modules". */ /* * SH-5 supports Priority based interrupts only. * Interrupt priorities are defined at platform level. */ #define set_ipr_data(a, b, c, d) #define make_ipr_irq(a) #define make_imask_irq(a) #endif /* __ASM_SH64_IRQ_H */