diff options
Diffstat (limited to 'include/asm-ppc')
| -rw-r--r-- | include/asm-ppc/irq.h | 424 |
1 files changed, 0 insertions, 424 deletions
diff --git a/include/asm-ppc/irq.h b/include/asm-ppc/irq.h deleted file mode 100644 index 137ea0cf34d..00000000000 --- a/include/asm-ppc/irq.h +++ /dev/null @@ -1,424 +0,0 @@ -#ifdef __KERNEL__ -#ifndef _ASM_IRQ_H -#define _ASM_IRQ_H - -#include <linux/config.h> -#include <asm/machdep.h> /* ppc_md */ -#include <asm/atomic.h> - -/* - * These constants are used for passing information about interrupt - * signal polarity and level/edge sensing to the low-level PIC chip - * drivers. - */ -#define IRQ_SENSE_MASK 0x1 -#define IRQ_SENSE_LEVEL 0x1 /* interrupt on active level */ -#define IRQ_SENSE_EDGE 0x0 /* interrupt triggered by edge */ - -#define IRQ_POLARITY_MASK 0x2 -#define IRQ_POLARITY_POSITIVE 0x2 /* high level or low->high edge */ -#define IRQ_POLARITY_NEGATIVE 0x0 /* low level or high->low edge */ - -/* - * IRQ line status macro IRQ_PER_CPU is used - */ -#define ARCH_HAS_IRQ_PER_CPU - -#define get_irq_desc(irq) (&irq_desc[(irq)]) - -/* Define a way to iterate across irqs. */ -#define for_each_irq(i) \ - for ((i) = 0; (i) < NR_IRQS; ++(i)) - -#if defined(CONFIG_40x) -#include <asm/ibm4xx.h> - -#ifndef NR_BOARD_IRQS -#define NR_BOARD_IRQS 0 -#endif - -#ifndef UIC_WIDTH /* Number of interrupts per device */ -#define UIC_WIDTH 32 -#endif - -#ifndef NR_UICS /* number of UIC devices */ -#define NR_UICS 1 -#endif - -#if defined (CONFIG_403) -/* - * The PowerPC 403 cores' Asynchronous Interrupt Controller (AIC) has - * 32 possible interrupts, a majority of which are not implemented on - * all cores. There are six configurable, external interrupt pins and - * there are eight internal interrupts for the on-chip serial port - * (SPU), DMA controller, and JTAG controller. - * - */ - -#define NR_AIC_IRQS 32 -#define NR_IRQS (NR_AIC_IRQS + NR_BOARD_IRQS) - -#elif !defined (CONFIG_403) - -/* - * The PowerPC 405 cores' Universal Interrupt Controller (UIC) has 32 - * possible interrupts as well. There are seven, configurable external - * interrupt pins and there are 17 internal interrupts for the on-chip - * serial port, DMA controller, on-chip Ethernet controller, PCI, etc. - * - */ - - -#define NR_UIC_IRQS UIC_WIDTH -#define NR_IRQS ((NR_UIC_IRQS * NR_UICS) + NR_BOARD_IRQS) -#endif -static __inline__ int -irq_canonicalize(int irq) -{ - return (irq); -} - -#elif defined(CONFIG_44x) -#include <asm/ibm44x.h> - -#define NR_UIC_IRQS 32 -#define NR_IRQS ((NR_UIC_IRQS * NR_UICS) + NR_BOARD_IRQS) - -static __inline__ int -irq_canonicalize(int irq) -{ - return (irq); -} - -#elif defined(CONFIG_8xx) - -/* Now include the board configuration specific associations. -*/ -#include <asm/mpc8xx.h> - -/* The MPC8xx cores have 16 possible interrupts. There are eight - * possible level sensitive interrupts assigned and generated internally - * from such devices as CPM, PCMCIA, RTC, PIT, TimeBase and Decrementer. - * There are eight external interrupts (IRQs) that can be configured - * as either level or edge sensitive. - * - * On some implementations, there is also the possibility of an 8259 - * through the PCI and PCI-ISA bridges. - * - * We are "flattening" the interrupt vectors of the cascaded CPM - * and 8259 interrupt controllers so that we can uniquely identify - * any interrupt source with a single integer. - */ -#define NR_SIU_INTS 16 -#define NR_CPM_INTS 32 -#ifndef NR_8259_INTS -#define NR_8259_INTS 0 -#endif - -#define SIU_IRQ_OFFSET 0 -#define CPM_IRQ_OFFSET (SIU_IRQ_OFFSET + NR_SIU_INTS) -#define I8259_IRQ_OFFSET (CPM_IRQ_OFFSET + NR_CPM_INTS) - -#define NR_IRQS (NR_SIU_INTS + NR_CPM_INTS + NR_8259_INTS) - -/* These values must be zero-based and map 1:1 with the SIU configuration. - * They are used throughout the 8xx I/O subsystem to generate - * interrupt masks, flags, and other control patterns. This is why the - * current kernel assumption of the 8259 as the base controller is such - * a pain in the butt. - */ -#define SIU_IRQ0 (0) /* Highest priority */ -#define SIU_LEVEL0 (1) -#define SIU_IRQ1 (2) -#define SIU_LEVEL1 (3) -#define SIU_IRQ2 (4) -#define SIU_LEVEL2 (5) -#define SIU_IRQ3 (6) -#define SIU_LEVEL3 (7) -#define SIU_IRQ4 (8) -#define SIU_LEVEL4 (9) -#define SIU_IRQ5 (10) -#define SIU_LEVEL5 (11) -#define SIU_IRQ6 (12) -#define SIU_LEVEL6 (13) -#define SIU_IRQ7 (14) -#define SIU_LEVEL7 (15) - -#define MPC8xx_INT_FEC1 SIU_LEVEL1 -#define MPC8xx_INT_FEC2 SIU_LEVEL3 - -#define MPC8xx_INT_SCC1 (CPM_IRQ_OFFSET + CPMVEC_SCC1) -#define MPC8xx_INT_SCC2 (CPM_IRQ_OFFSET + CPMVEC_SCC2) -#define MPC8xx_INT_SCC3 (CPM_IRQ_OFFSET + CPMVEC_SCC3) -#define MPC8xx_INT_SCC4 (CPM_IRQ_OFFSET + CPMVEC_SCC4) -#define MPC8xx_INT_SMC1 (CPM_IRQ_OFFSET + CPMVEC_SMC1) -#define MPC8xx_INT_SMC2 (CPM_IRQ_OFFSET + CPMVEC_SMC2) - -/* The internal interrupts we can configure as we see fit. - * My personal preference is CPM at level 2, which puts it above the - * MBX PCI/ISA/IDE interrupts. - */ -#ifndef PIT_INTERRUPT -#define PIT_INTERRUPT SIU_LEVEL0 -#endif -#ifndef CPM_INTERRUPT -#define CPM_INTERRUPT SIU_LEVEL2 -#endif -#ifndef PCMCIA_INTERRUPT -#define PCMCIA_INTERRUPT SIU_LEVEL6 -#endif -#ifndef DEC_INTERRUPT -#define DEC_INTERRUPT SIU_LEVEL7 -#endif - -/* Some internal interrupt registers use an 8-bit mask for the interrupt - * level instead of a number. - */ -#define mk_int_int_mask(IL) (1 << (7 - (IL/2))) - -/* always the same on 8xx -- Cort */ -static __inline__ int irq_canonicalize(int irq) -{ - return irq; -} - -#elif defined(CONFIG_83xx) -#include <asm/mpc83xx.h> - -static __inline__ int irq_canonicalize(int irq) -{ - return irq; -} - -#define NR_IRQS (NR_IPIC_INTS) - -#elif defined(CONFIG_85xx) -/* Now include the board configuration specific associations. -*/ -#include <asm/mpc85xx.h> - -/* The MPC8548 openpic has 48 internal interrupts and 12 external - * interrupts. - * - * We are "flattening" the interrupt vectors of the cascaded CPM - * so that we can uniquely identify any interrupt source with a - * single integer. - */ -#define NR_CPM_INTS 64 -#define NR_EPIC_INTS 60 -#ifndef NR_8259_INTS -#define NR_8259_INTS 0 -#endif -#define NUM_8259_INTERRUPTS NR_8259_INTS - -#ifndef CPM_IRQ_OFFSET -#define CPM_IRQ_OFFSET 0 -#endif - -#define NR_IRQS (NR_EPIC_INTS + NR_CPM_INTS + NR_8259_INTS) - -/* Internal IRQs on MPC85xx OpenPIC */ - -#ifndef MPC85xx_OPENPIC_IRQ_OFFSET -#ifdef CONFIG_CPM2 -#define MPC85xx_OPENPIC_IRQ_OFFSET (CPM_IRQ_OFFSET + NR_CPM_INTS) -#else -#define MPC85xx_OPENPIC_IRQ_OFFSET 0 -#endif -#endif - -/* Not all of these exist on all MPC85xx implementations */ -#define MPC85xx_IRQ_L2CACHE ( 0 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_ECM ( 1 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_DDR ( 2 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_LBIU ( 3 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_DMA0 ( 4 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_DMA1 ( 5 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_DMA2 ( 6 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_DMA3 ( 7 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_PCI1 ( 8 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_PCI2 ( 9 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_RIO_ERROR ( 9 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_RIO_BELL (10 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_RIO_TX (11 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_RIO_RX (12 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC1_TX (13 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC1_RX (14 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC3_TX (15 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC3_RX (16 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC3_ERROR (17 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC1_ERROR (18 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC2_TX (19 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC2_RX (20 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC4_TX (21 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC4_RX (22 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC4_ERROR (23 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_TSEC2_ERROR (24 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_FEC (25 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_DUART (26 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_IIC1 (27 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_PERFMON (28 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_SEC2 (29 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_CPM (30 + MPC85xx_OPENPIC_IRQ_OFFSET) - -/* The 12 external interrupt lines */ -#define MPC85xx_IRQ_EXT0 (48 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT1 (49 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT2 (50 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT3 (51 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT4 (52 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT5 (53 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT6 (54 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT7 (55 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT8 (56 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT9 (57 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT10 (58 + MPC85xx_OPENPIC_IRQ_OFFSET) -#define MPC85xx_IRQ_EXT11 (59 + MPC85xx_OPENPIC_IRQ_OFFSET) - -/* CPM related interrupts */ -#define SIU_INT_ERROR ((uint)0x00+CPM_IRQ_OFFSET) -#define SIU_INT_I2C ((uint)0x01+CPM_IRQ_OFFSET) -#define SIU_INT_SPI ((uint)0x02+CPM_IRQ_OFFSET) -#define SIU_INT_RISC ((uint)0x03+CPM_IRQ_OFFSET) -#define SIU_INT_SMC1 ((uint)0x04+CPM_IRQ_OFFSET) -#define SIU_INT_SMC2 ((uint)0x05+CPM_IRQ_OFFSET) -#define SIU_INT_USB ((uint)0x0b+CPM_IRQ_OFFSET) -#define SIU_INT_TIMER1 ((uint)0x0c+CPM_IRQ_OFFSET) -#define SIU_INT_TIMER2 ((uint)0x0d+CPM_IRQ_OFFSET) -#define SIU_INT_TIMER3 ((uint)0x0e+CPM_IRQ_OFFSET) -#define SIU_INT_TIMER4 ((uint)0x0f+CPM_IRQ_OFFSET) -#define SIU_INT_FCC1 ((uint)0x20+CPM_IRQ_OFFSET) -#define SIU_INT_FCC2 ((uint)0x21+CPM_IRQ_OFFSET) -#define SIU_INT_FCC3 ((uint)0x22+CPM_IRQ_OFFSET) -#define SIU_INT_MCC1 ((uint)0x24+CPM_IRQ_OFFSET) -#define SIU_INT_MCC2 ((uint)0x25+CPM_IRQ_OFFSET) -#define SIU_INT_SCC1 ((uint)0x28+CPM_IRQ_OFFSET) -#define SIU_INT_SCC2 ((uint)0x29+CPM_IRQ_OFFSET) -#define SIU_INT_SCC3 ((uint)0x2a+CPM_IRQ_OFFSET) -#define SIU_INT_SCC4 ((uint)0x2b+CPM_IRQ_OFFSET) -#define SIU_INT_PC15 ((uint)0x30+CPM_IRQ_OFFSET) -#define SIU_INT_PC14 ((uint)0x31+CPM_IRQ_OFFSET) -#define SIU_INT_PC13 ((uint)0x32+CPM_IRQ_OFFSET) -#define SIU_INT_PC12 ((uint)0x33+CPM_IRQ_OFFSET) -#define SIU_INT_PC11 ((uint)0x34+CPM_IRQ_OFFSET) -#define SIU_INT_PC10 ((uint)0x35+CPM_IRQ_OFFSET) -#define SIU_INT_PC9 ((uint)0x36+CPM_IRQ_OFFSET) -#define SIU_INT_PC8 ((uint)0x37+CPM_IRQ_OFFSET) -#define SIU_INT_PC7 ((uint)0x38+CPM_IRQ_OFFSET) -#define SIU_INT_PC6 ((uint)0x39+CPM_IRQ_OFFSET) -#define SIU_INT_PC5 ((uint)0x3a+CPM_IRQ_OFFSET) -#define SIU_INT_PC4 ((uint)0x3b+CPM_IRQ_OFFSET) -#define SIU_INT_PC3 ((uint)0x3c+CPM_IRQ_OFFSET) -#define SIU_INT_PC2 ((uint)0x3d+CPM_IRQ_OFFSET) -#define SIU_INT_PC1 ((uint)0x3e+CPM_IRQ_OFFSET) -#define SIU_INT_PC0 ((uint)0x3f+CPM_IRQ_OFFSET) - -static __inline__ int irq_canonicalize(int irq) -{ - return irq; -} - -#else /* CONFIG_40x + CONFIG_8xx */ -/* - * this is the # irq's for all ppc arch's (pmac/chrp/prep) - * so it is the max of them all - */ -#define NR_IRQS 256 - -#ifndef CONFIG_8260 - -#define NUM_8259_INTERRUPTS 16 - -#else /* CONFIG_8260 */ - -/* The 8260 has an internal interrupt controller with a maximum of - * 64 IRQs. We will use NR_IRQs from above since it is large enough. - * Don't be confused by the 8260 documentation where they list an - * "interrupt number" and "interrupt vector". We are only interested - * in the interrupt vector. There are "reserved" holes where the - * vector number increases, but the interrupt number in the table does not. - * (Document errata updates have fixed this...make sure you have up to - * date processor documentation -- Dan). - */ - -#ifndef CPM_IRQ_OFFSET -#define CPM_IRQ_OFFSET 0 -#endif - -#define NR_CPM_INTS 64 - -#define SIU_INT_ERROR ((uint)0x00 + CPM_IRQ_OFFSET) -#define SIU_INT_I2C ((uint)0x01 + CPM_IRQ_OFFSET) -#define SIU_INT_SPI ((uint)0x02 + CPM_IRQ_OFFSET) -#define SIU_INT_RISC ((uint)0x03 + CPM_IRQ_OFFSET) -#define SIU_INT_SMC1 ((uint)0x04 + CPM_IRQ_OFFSET) -#define SIU_INT_SMC2 ((uint)0x05 + CPM_IRQ_OFFSET) -#define SIU_INT_IDMA1 ((uint)0x06 + CPM_IRQ_OFFSET) -#define SIU_INT_IDMA2 ((uint)0x07 + CPM_IRQ_OFFSET) -#define SIU_INT_IDMA3 ((uint)0x08 + CPM_IRQ_OFFSET) -#define SIU_INT_IDMA4 ((uint)0x09 + CPM_IRQ_OFFSET) -#define SIU_INT_SDMA ((uint)0x0a + CPM_IRQ_OFFSET) -#define SIU_INT_USB ((uint)0x0b + CPM_IRQ_OFFSET) -#define SIU_INT_TIMER1 ((uint)0x0c + CPM_IRQ_OFFSET) -#define SIU_INT_TIMER2 ((uint)0x0d + CPM_IRQ_OFFSET) -#define SIU_INT_TIMER3 ((uint)0x0e + CPM_IRQ_OFFSET) -#define SIU_INT_TIMER4 ((uint)0x0f + CPM_IRQ_OFFSET) -#define SIU_INT_TMCNT ((uint)0x10 + CPM_IRQ_OFFSET) -#define SIU_INT_PIT ((uint)0x11 + CPM_IRQ_OFFSET) -#define SIU_INT_IRQ1 ((uint)0x13 + CPM_IRQ_OFFSET) -#define SIU_INT_IRQ2 ((uint)0x14 + CPM_IRQ_OFFSET) -#define SIU_INT_IRQ3 ((uint)0x15 + CPM_IRQ_OFFSET) -#define SIU_INT_IRQ4 ((uint)0x16 + CPM_IRQ_OFFSET) -#define SIU_INT_IRQ5 ((uint)0x17 + CPM_IRQ_OFFSET) -#define SIU_INT_IRQ6 ((uint)0x18 + CPM_IRQ_OFFSET) -#define SIU_INT_IRQ7 ((uint)0x19 + CPM_IRQ_OFFSET) -#define SIU_INT_FCC1 ((uint)0x20 + CPM_IRQ_OFFSET) -#define SIU_INT_FCC2 ((uint)0x21 + CPM_IRQ_OFFSET) -#define SIU_INT_FCC3 ((uint)0x22 + CPM_IRQ_OFFSET) -#define SIU_INT_MCC1 ((uint)0x24 + CPM_IRQ_OFFSET) -#define SIU_INT_MCC2 ((uint)0x25 + CPM_IRQ_OFFSET) -#define SIU_INT_SCC1 ((uint)0x28 + CPM_IRQ_OFFSET) -#define SIU_INT_SCC2 ((uint)0x29 + CPM_IRQ_OFFSET) -#define SIU_INT_SCC3 ((uint)0x2a + CPM_IRQ_OFFSET) -#define SIU_INT_SCC4 ((uint)0x2b + CPM_IRQ_OFFSET) -#define SIU_INT_PC15 ((uint)0x30 + CPM_IRQ_OFFSET) -#define SIU_INT_PC14 ((uint)0x31 + CPM_IRQ_OFFSET) -#define SIU_INT_PC13 ((uint)0x32 + CPM_IRQ_OFFSET) -#define SIU_INT_PC12 ((uint)0x33 + CPM_IRQ_OFFSET) -#define SIU_INT_PC11 ((uint)0x34 + CPM_IRQ_OFFSET) -#define SIU_INT_PC10 ((uint)0x35 + CPM_IRQ_OFFSET) -#define SIU_INT_PC9 ((uint)0x36 + CPM_IRQ_OFFSET) -#define SIU_INT_PC8 ((uint)0x37 + CPM_IRQ_OFFSET) -#define SIU_INT_PC7 ((uint)0x38 + CPM_IRQ_OFFSET) -#define SIU_INT_PC6 ((uint)0x39 + CPM_IRQ_OFFSET) -#define SIU_INT_PC5 ((uint)0x3a + CPM_IRQ_OFFSET) -#define SIU_INT_PC4 ((uint)0x3b + CPM_IRQ_OFFSET) -#define SIU_INT_PC3 ((uint)0x3c + CPM_IRQ_OFFSET) -#define SIU_INT_PC2 ((uint)0x3d + CPM_IRQ_OFFSET) -#define SIU_INT_PC1 ((uint)0x3e + CPM_IRQ_OFFSET) -#define SIU_INT_PC0 ((uint)0x3f + CPM_IRQ_OFFSET) - -#endif /* CONFIG_8260 */ - -/* - * This gets called from serial.c, which is now used on - * powermacs as well as prep/chrp boxes. - * Prep and chrp both have cascaded 8259 PICs. - */ -static __inline__ int irq_canonicalize(int irq) -{ - if (ppc_md.irq_canonicalize) - return ppc_md.irq_canonicalize(irq); - return irq; -} - -#endif - -#define NR_MASK_WORDS ((NR_IRQS + 31) / 32) -/* pedantic: these are long because they are used with set_bit --RR */ -extern unsigned long ppc_cached_irq_mask[NR_MASK_WORDS]; -extern unsigned long ppc_lost_interrupts[NR_MASK_WORDS]; -extern atomic_t ppc_n_lost_interrupts; - -#endif /* _ASM_IRQ_H */ -#endif /* __KERNEL__ */ |