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Commit dd67b155 authored by Ralf Baechle's avatar Ralf Baechle
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[MIPS] IP32: Fix build by conversion to irq_cpu.c. 

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 65a6ec0d
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Showing with 163 additions and 160 deletions
arch/mips/Kconfig
View file @ dd67b155
...@@ -410,6 +410,7 @@ config SGI_IP32 ...@@ -410,6 +410,7 @@ config SGI_IP32
select BOOT_ELF32 select BOOT_ELF32
select DMA_NONCOHERENT select DMA_NONCOHERENT
select HW_HAS_PCI select HW_HAS_PCI
select IRQ_CPU
select R5000_CPU_SCACHE select R5000_CPU_SCACHE
select RM7000_CPU_SCACHE select RM7000_CPU_SCACHE
select SYS_HAS_CPU_R5000 select SYS_HAS_CPU_R5000
......
arch/mips/sgi-ip32/ip32-irq.c
View file @ dd67b155
...@@ -20,6 +20,7 @@ ...@@ -20,6 +20,7 @@
#include <linux/random.h> #include <linux/random.h>
#include <linux/sched.h> #include <linux/sched.h>
#include <asm/irq_cpu.h>
#include <asm/mipsregs.h> #include <asm/mipsregs.h>
#include <asm/signal.h> #include <asm/signal.h>
#include <asm/system.h> #include <asm/system.h>
...@@ -46,7 +47,8 @@ static void inline flush_mace_bus(void) ...@@ -46,7 +47,8 @@ static void inline flush_mace_bus(void)
#define DBG(x...) #define DBG(x...)
#endif #endif
/* O2 irq map /*
* O2 irq map
* *
* IP0 -> software (ignored) * IP0 -> software (ignored)
* IP1 -> software (ignored) * IP1 -> software (ignored)
...@@ -55,60 +57,60 @@ static void inline flush_mace_bus(void) ...@@ -55,60 +57,60 @@ static void inline flush_mace_bus(void)
* IP4 -> (irq2) X unknown * IP4 -> (irq2) X unknown
* IP5 -> (irq3) X unknown * IP5 -> (irq3) X unknown
* IP6 -> (irq4) X unknown * IP6 -> (irq4) X unknown
* IP7 -> (irq5) 0 CPU count/compare timer (system timer) * IP7 -> (irq5) 7 CPU count/compare timer (system timer)
* *
* crime: (C) * crime: (C)
* *
* CRIME_INT_STAT 31:0: * CRIME_INT_STAT 31:0:
* *
* 0 -> 1 Video in 1 * 0 -> 8 Video in 1
* 1 -> 2 Video in 2 * 1 -> 9 Video in 2
* 2 -> 3 Video out * 2 -> 10 Video out
* 3 -> 4 Mace ethernet * 3 -> 11 Mace ethernet
* 4 -> S SuperIO sub-interrupt * 4 -> S SuperIO sub-interrupt
* 5 -> M Miscellaneous sub-interrupt * 5 -> M Miscellaneous sub-interrupt
* 6 -> A Audio sub-interrupt * 6 -> A Audio sub-interrupt
* 7 -> 8 PCI bridge errors * 7 -> 15 PCI bridge errors
* 8 -> 9 PCI SCSI aic7xxx 0 * 8 -> 16 PCI SCSI aic7xxx 0
* 9 -> 10 PCI SCSI aic7xxx 1 * 9 -> 17 PCI SCSI aic7xxx 1
* 10 -> 11 PCI slot 0 * 10 -> 18 PCI slot 0
* 11 -> 12 unused (PCI slot 1) * 11 -> 19 unused (PCI slot 1)
* 12 -> 13 unused (PCI slot 2) * 12 -> 20 unused (PCI slot 2)
* 13 -> 14 unused (PCI shared 0) * 13 -> 21 unused (PCI shared 0)
* 14 -> 15 unused (PCI shared 1) * 14 -> 22 unused (PCI shared 1)
* 15 -> 16 unused (PCI shared 2) * 15 -> 23 unused (PCI shared 2)
* 16 -> 17 GBE0 (E) * 16 -> 24 GBE0 (E)
* 17 -> 18 GBE1 (E) * 17 -> 25 GBE1 (E)
* 18 -> 19 GBE2 (E) * 18 -> 26 GBE2 (E)
* 19 -> 20 GBE3 (E) * 19 -> 27 GBE3 (E)
* 20 -> 21 CPU errors * 20 -> 28 CPU errors
* 21 -> 22 Memory errors * 21 -> 29 Memory errors
* 22 -> 23 RE empty edge (E) * 22 -> 30 RE empty edge (E)
* 23 -> 24 RE full edge (E) * 23 -> 31 RE full edge (E)
* 24 -> 25 RE idle edge (E) * 24 -> 32 RE idle edge (E)
* 25 -> 26 RE empty level * 25 -> 33 RE empty level
* 26 -> 27 RE full level * 26 -> 34 RE full level
* 27 -> 28 RE idle level * 27 -> 35 RE idle level
* 28 -> 29 unused (software 0) (E) * 28 -> 36 unused (software 0) (E)
* 29 -> 30 unused (software 1) (E) * 29 -> 37 unused (software 1) (E)
* 30 -> 31 unused (software 2) - crime 1.5 CPU SysCorError (E) * 30 -> 38 unused (software 2) - crime 1.5 CPU SysCorError (E)
* 31 -> 32 VICE * 31 -> 39 VICE
* *
* S, M, A: Use the MACE ISA interrupt register * S, M, A: Use the MACE ISA interrupt register
* MACE_ISA_INT_STAT 31:0 * MACE_ISA_INT_STAT 31:0
* *
* 0-7 -> 33-40 Audio * 0-7 -> 40-47 Audio
* 8 -> 41 RTC * 8 -> 48 RTC
* 9 -> 42 Keyboard * 9 -> 49 Keyboard
* 10 -> X Keyboard polled * 10 -> X Keyboard polled
* 11 -> 44 Mouse * 11 -> 51 Mouse
* 12 -> X Mouse polled * 12 -> X Mouse polled
* 13-15 -> 46-48 Count/compare timers * 13-15 -> 53-55 Count/compare timers
* 16-19 -> 49-52 Parallel (16 E) * 16-19 -> 56-59 Parallel (16 E)
* 20-25 -> 53-58 Serial 1 (22 E) * 20-25 -> 60-62 Serial 1 (22 E)
* 26-31 -> 59-64 Serial 2 (28 E) * 26-31 -> 66-71 Serial 2 (28 E)
* *
* Note that this means IRQs 5-7, 43, and 45 do not exist. This is a * Note that this means IRQs 12-14, 50, and 52 do not exist. This is a
* different IRQ map than IRIX uses, but that's OK as Linux irq handling * different IRQ map than IRIX uses, but that's OK as Linux irq handling
* is quite different anyway. * is quite different anyway.
*/ */
...@@ -130,36 +132,6 @@ struct irqaction cpuerr_irq = { ...@@ -130,36 +132,6 @@ struct irqaction cpuerr_irq = {
.name = "CRIME CPU error", .name = "CRIME CPU error",
}; };
/*
* For interrupts wired from a single device to the CPU. Only the clock
* uses this it seems, which is IRQ 0 and IP7.
*/
static void enable_cpu_irq(unsigned int irq)
{
set_c0_status(STATUSF_IP7);
}
static void disable_cpu_irq(unsigned int irq)
{
clear_c0_status(STATUSF_IP7);
}
static void end_cpu_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
enable_cpu_irq(irq);
}
static struct irq_chip ip32_cpu_interrupt = {
.name = "IP32 CPU",
.ack = disable_cpu_irq,
.mask = disable_cpu_irq,
.mask_ack = disable_cpu_irq,
.unmask = enable_cpu_irq,
.end = end_cpu_irq,
};
/* /*
* This is for pure CRIME interrupts - ie not MACE. The advantage? * This is for pure CRIME interrupts - ie not MACE. The advantage?
* We get to split the register in half and do faster lookups. * We get to split the register in half and do faster lookups.
...@@ -422,15 +394,23 @@ static void ip32_irq0(void) ...@@ -422,15 +394,23 @@ static void ip32_irq0(void)
uint64_t crime_int; uint64_t crime_int;
int irq = 0; int irq = 0;
/*
* Sanity check interrupt numbering enum.
* MACE got 32 interrupts and there are 32 MACE ISA interrupts daisy
* chained.
*/
BUILD_BUG_ON(CRIME_VICE_IRQ - MACE_VID_IN1_IRQ != 31);
BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31);
crime_int = crime->istat & crime_mask; crime_int = crime->istat & crime_mask;
irq = __ffs(crime_int); irq = MACE_VID_IN1_IRQ + __ffs(crime_int);
crime_int = 1 << irq; crime_int = 1 << irq;
if (crime_int & CRIME_MACEISA_INT_MASK) { if (crime_int & CRIME_MACEISA_INT_MASK) {
unsigned long mace_int = mace->perif.ctrl.istat; unsigned long mace_int = mace->perif.ctrl.istat;
irq = __ffs(mace_int & maceisa_mask) + 32; irq = __ffs(mace_int & maceisa_mask) + MACEISA_AUDIO_SW_IRQ;
} }
irq++;
DBG("*irq %u*\n", irq); DBG("*irq %u*\n", irq);
do_IRQ(irq); do_IRQ(irq);
} }
...@@ -457,7 +437,7 @@ static void ip32_irq4(void) ...@@ -457,7 +437,7 @@ static void ip32_irq4(void)
static void ip32_irq5(void) static void ip32_irq5(void)
{ {
do_IRQ(IP32_R4K_TIMER_IRQ); do_IRQ(MIPS_CPU_IRQ_BASE + 7);
} }
asmlinkage void plat_irq_dispatch(void) asmlinkage void plat_irq_dispatch(void)
...@@ -490,21 +470,25 @@ void __init arch_init_irq(void) ...@@ -490,21 +470,25 @@ void __init arch_init_irq(void)
mace->perif.ctrl.istat = 0; mace->perif.ctrl.istat = 0;
mace->perif.ctrl.imask = 0; mace->perif.ctrl.imask = 0;
for (irq = 0; irq <= IP32_IRQ_MAX; irq++) { mips_cpu_irq_init();
struct irq_chip *controller; for (irq = MIPS_CPU_IRQ_BASE + 8; irq <= IP32_IRQ_MAX; irq++) {
struct irq_chip *chip;
if (irq == IP32_R4K_TIMER_IRQ)
controller = &ip32_cpu_interrupt; switch (irq) {
else if (irq <= MACE_PCI_BRIDGE_IRQ && irq >= MACE_VID_IN1_IRQ) case MACE_VID_IN1_IRQ ... MACE_PCI_BRIDGE_IRQ:
controller = &ip32_mace_interrupt; chip = &ip32_mace_interrupt;
else if (irq <= MACEPCI_SHARED2_IRQ && irq >= MACEPCI_SCSI0_IRQ) break;
controller = &ip32_macepci_interrupt; case MACEPCI_SCSI0_IRQ ... MACEPCI_SHARED2_IRQ:
else if (irq <= CRIME_VICE_IRQ && irq >= CRIME_GBE0_IRQ) chip = &ip32_macepci_interrupt;
controller = &ip32_crime_interrupt; break;
else case CRIME_GBE0_IRQ ... CRIME_VICE_IRQ:
controller = &ip32_maceisa_interrupt; chip = &ip32_crime_interrupt;
break;
set_irq_chip(irq, controller); default:
chip = &ip32_maceisa_interrupt;
}
set_irq_chip(irq, chip);
} }
setup_irq(CRIME_MEMERR_IRQ, &memerr_irq); setup_irq(CRIME_MEMERR_IRQ, &memerr_irq);
setup_irq(CRIME_CPUERR_IRQ, &cpuerr_irq); setup_irq(CRIME_CPUERR_IRQ, &cpuerr_irq);
......
arch/mips/sgi-ip32/ip32-setup.c
View file @ dd67b155
...@@ -83,7 +83,7 @@ void __init plat_time_init(void) ...@@ -83,7 +83,7 @@ void __init plat_time_init(void)
void __init plat_timer_setup(struct irqaction *irq) void __init plat_timer_setup(struct irqaction *irq)
{ {
irq->handler = no_action; irq->handler = no_action;
setup_irq(IP32_R4K_TIMER_IRQ, irq); setup_irq(MIPS_CPU_IRQ_BASE + 7, irq);
} }
void __init plat_mem_setup(void) void __init plat_mem_setup(void)
......
include/asm-mips/ip32/ip32_ints.h
View file @ dd67b155
...@@ -9,86 +9,104 @@ ...@@ -9,86 +9,104 @@
#ifndef __ASM_IP32_INTS_H #ifndef __ASM_IP32_INTS_H
#define __ASM_IP32_INTS_H #define __ASM_IP32_INTS_H
#include <asm/irq.h>
/* /*
* This list reflects the assignment of interrupt numbers to * This list reflects the assignment of interrupt numbers to
* interrupting events. Order is fairly irrelevant to handling * interrupting events. Order is fairly irrelevant to handling
* priority. This differs from irix. * priority. This differs from irix.
*/ */
/* CPU */ enum ip32_irq_no {
#define IP32_R4K_TIMER_IRQ 0 /*
* CPU interrupts are 0 ... 7
*/
/* MACE */ /*
#define MACE_VID_IN1_IRQ 1 * MACE
#define MACE_VID_IN2_IRQ 2 */
#define MACE_VID_OUT_IRQ 3 MACE_VID_IN1_IRQ = MIPS_CPU_IRQ_BASE + 8,
#define MACE_ETHERNET_IRQ 4 MACE_VID_IN2_IRQ,
/* SUPERIO, MISC, and AUDIO are MACEISA */ MACE_VID_OUT_IRQ,
#define MACE_PCI_BRIDGE_IRQ 8 MACE_ETHERNET_IRQ,
/* SUPERIO, MISC, and AUDIO are MACEISA */
__MACE_SUPERIO,
__MACE_MISC,
__MACE_AUDIO,
MACE_PCI_BRIDGE_IRQ,
/* MACEPCI */ /*
#define MACEPCI_SCSI0_IRQ 9 * MACEPCI
#define MACEPCI_SCSI1_IRQ 10 */
#define MACEPCI_SLOT0_IRQ 11 MACEPCI_SCSI0_IRQ,
#define MACEPCI_SLOT1_IRQ 12 MACEPCI_SCSI1_IRQ,
#define MACEPCI_SLOT2_IRQ 13 MACEPCI_SLOT0_IRQ,
#define MACEPCI_SHARED0_IRQ 14 MACEPCI_SLOT1_IRQ,
#define MACEPCI_SHARED1_IRQ 15 MACEPCI_SLOT2_IRQ,
#define MACEPCI_SHARED2_IRQ 16 MACEPCI_SHARED0_IRQ,
MACEPCI_SHARED1_IRQ,
MACEPCI_SHARED2_IRQ,
/* CRIME */ /*
#define CRIME_GBE0_IRQ 17 * CRIME
#define CRIME_GBE1_IRQ 18 */
#define CRIME_GBE2_IRQ 19 CRIME_GBE0_IRQ,
#define CRIME_GBE3_IRQ 20 CRIME_GBE1_IRQ,
#define CRIME_CPUERR_IRQ 21 CRIME_GBE2_IRQ,
#define CRIME_MEMERR_IRQ 22 CRIME_GBE3_IRQ,
#define CRIME_RE_EMPTY_E_IRQ 23 CRIME_CPUERR_IRQ,
#define CRIME_RE_FULL_E_IRQ 24 CRIME_MEMERR_IRQ,
#define CRIME_RE_IDLE_E_IRQ 25 CRIME_RE_EMPTY_E_IRQ,
#define CRIME_RE_EMPTY_L_IRQ 26 CRIME_RE_FULL_E_IRQ,
#define CRIME_RE_FULL_L_IRQ 27 CRIME_RE_IDLE_E_IRQ,
#define CRIME_RE_IDLE_L_IRQ 28 CRIME_RE_EMPTY_L_IRQ,
#define CRIME_SOFT0_IRQ 29 CRIME_RE_FULL_L_IRQ,
#define CRIME_SOFT1_IRQ 30 CRIME_RE_IDLE_L_IRQ,
#define CRIME_SOFT2_IRQ 31 CRIME_SOFT0_IRQ,
#define CRIME_SYSCORERR_IRQ CRIME_SOFT2_IRQ CRIME_SOFT1_IRQ,
#define CRIME_VICE_IRQ 32 CRIME_SOFT2_IRQ,
CRIME_SYSCORERR_IRQ = CRIME_SOFT2_IRQ,
CRIME_VICE_IRQ,
/* MACEISA */ /*
#define MACEISA_AUDIO_SW_IRQ 33 * MACEISA
#define MACEISA_AUDIO_SC_IRQ 34 */
#define MACEISA_AUDIO1_DMAT_IRQ 35 MACEISA_AUDIO_SW_IRQ,
#define MACEISA_AUDIO1_OF_IRQ 36 MACEISA_AUDIO_SC_IRQ,
#define MACEISA_AUDIO2_DMAT_IRQ 37 MACEISA_AUDIO1_DMAT_IRQ,
#define MACEISA_AUDIO2_MERR_IRQ 38 MACEISA_AUDIO1_OF_IRQ,
#define MACEISA_AUDIO3_DMAT_IRQ 39 MACEISA_AUDIO2_DMAT_IRQ,
#define MACEISA_AUDIO3_MERR_IRQ 40 MACEISA_AUDIO2_MERR_IRQ,
#define MACEISA_RTC_IRQ 41 MACEISA_AUDIO3_DMAT_IRQ,
#define MACEISA_KEYB_IRQ 42 MACEISA_AUDIO3_MERR_IRQ,
/* MACEISA_KEYB_POLL is not an IRQ */ MACEISA_RTC_IRQ,
#define MACEISA_MOUSE_IRQ 44 MACEISA_KEYB_IRQ,
/* MACEISA_MOUSE_POLL is not an IRQ */ /* MACEISA_KEYB_POLL is not an IRQ */
#define MACEISA_TIMER0_IRQ 46 __MACEISA_KEYB_POLL,
#define MACEISA_TIMER1_IRQ 47 MACEISA_MOUSE_IRQ,
#define MACEISA_TIMER2_IRQ 48 /* MACEISA_MOUSE_POLL is not an IRQ */
#define MACEISA_PARALLEL_IRQ 49 __MACEISA_MOUSE_POLL,
#define MACEISA_PAR_CTXA_IRQ 50 MACEISA_TIMER0_IRQ,
#define MACEISA_PAR_CTXB_IRQ 51 MACEISA_TIMER1_IRQ,
#define MACEISA_PAR_MERR_IRQ 52 MACEISA_TIMER2_IRQ,
#define MACEISA_SERIAL1_IRQ 53 MACEISA_PARALLEL_IRQ,
#define MACEISA_SERIAL1_TDMAT_IRQ 54 MACEISA_PAR_CTXA_IRQ,
#define MACEISA_SERIAL1_TDMAPR_IRQ 55 MACEISA_PAR_CTXB_IRQ,
#define MACEISA_SERIAL1_TDMAME_IRQ 56 MACEISA_PAR_MERR_IRQ,
#define MACEISA_SERIAL1_RDMAT_IRQ 57 MACEISA_SERIAL1_IRQ,
#define MACEISA_SERIAL1_RDMAOR_IRQ 58 MACEISA_SERIAL1_TDMAT_IRQ,
#define MACEISA_SERIAL2_IRQ 59 MACEISA_SERIAL1_TDMAPR_IRQ,
#define MACEISA_SERIAL2_TDMAT_IRQ 60 MACEISA_SERIAL1_TDMAME_IRQ,
#define MACEISA_SERIAL2_TDMAPR_IRQ 61 MACEISA_SERIAL1_RDMAT_IRQ,
#define MACEISA_SERIAL2_TDMAME_IRQ 62 MACEISA_SERIAL1_RDMAOR_IRQ,
#define MACEISA_SERIAL2_RDMAT_IRQ 63 MACEISA_SERIAL2_IRQ,
#define MACEISA_SERIAL2_RDMAOR_IRQ 64 MACEISA_SERIAL2_TDMAT_IRQ,
MACEISA_SERIAL2_TDMAPR_IRQ,
MACEISA_SERIAL2_TDMAME_IRQ,
MACEISA_SERIAL2_RDMAT_IRQ,
MACEISA_SERIAL2_RDMAOR_IRQ,
#define IP32_IRQ_MAX MACEISA_SERIAL2_RDMAOR_IRQ IP32_IRQ_MAX = MACEISA_SERIAL2_RDMAOR_IRQ
};
#endif /* __ASM_IP32_INTS_H */ #endif /* __ASM_IP32_INTS_H */
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