^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef _ALPHA_IRQ_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _ALPHA_IRQ_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * linux/include/alpha/irq.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * (C) 1994 Linus Torvalds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #if defined(CONFIG_ALPHA_GENERIC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /* Here NR_IRQS is not exact, but rather an upper bound. This is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) many places throughout the kernel to size static arrays. That's ok,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) we'll use alpha_mv.nr_irqs when we want the real thing. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /* When LEGACY_START_ADDRESS is selected, we leave out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) TITAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) WILDFIRE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) MARVEL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) This helps keep the kernel object size reasonable for the majority
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) of machines.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) # if defined(CONFIG_ALPHA_LEGACY_START_ADDRESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) # define NR_IRQS (128) /* max is RAWHIDE/TAKARA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) # else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) # define NR_IRQS (32768 + 16) /* marvel - 32 pids */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) # endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #elif defined(CONFIG_ALPHA_CABRIOLET) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) defined(CONFIG_ALPHA_EB66P) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) defined(CONFIG_ALPHA_EB164) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) defined(CONFIG_ALPHA_PC164) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) defined(CONFIG_ALPHA_LX164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) # define NR_IRQS 35
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #elif defined(CONFIG_ALPHA_EB66) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) defined(CONFIG_ALPHA_EB64P) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) defined(CONFIG_ALPHA_MIKASA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) # define NR_IRQS 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #elif defined(CONFIG_ALPHA_ALCOR) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) defined(CONFIG_ALPHA_MIATA) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) defined(CONFIG_ALPHA_RUFFIAN) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) defined(CONFIG_ALPHA_RX164) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) defined(CONFIG_ALPHA_NORITAKE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) # define NR_IRQS 48
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #elif defined(CONFIG_ALPHA_SABLE) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) defined(CONFIG_ALPHA_SX164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) # define NR_IRQS 40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #elif defined(CONFIG_ALPHA_DP264) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) defined(CONFIG_ALPHA_LYNX) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) defined(CONFIG_ALPHA_SHARK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) # define NR_IRQS 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #elif defined(CONFIG_ALPHA_TITAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define NR_IRQS 80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #elif defined(CONFIG_ALPHA_RAWHIDE) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) defined(CONFIG_ALPHA_TAKARA) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) defined(CONFIG_ALPHA_EIGER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) # define NR_IRQS 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #elif defined(CONFIG_ALPHA_WILDFIRE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) # define NR_IRQS 2048 /* enuff for 8 QBBs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #elif defined(CONFIG_ALPHA_MARVEL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) # define NR_IRQS (32768 + 16) /* marvel - 32 pids*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #else /* everyone else */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) # define NR_IRQS 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static __inline__ int irq_canonicalize(int irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * XXX is this true for all Alpha's? The old serial driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * did it this way for years without any complaints, so....
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return ((irq == 2) ? 9 : irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct pt_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) extern void (*perf_irq)(unsigned long, struct pt_regs *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #endif /* _ALPHA_IRQ_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags