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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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9a7ef6d59f
This drops the various IRQ headers that were floating around and primarily providing hardcoded IRQ definitions for the various CPU subtypes. This quickly got to be an unmaintainable mess, made even more evident by the subtle breakage introduced by the SH-2 and SH-2A changes. Now that subtypes are able to register IRQ maps directly, just rip all of the headers out. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
147 lines
3.9 KiB
C
147 lines
3.9 KiB
C
#ifndef __ASM_SH_IRQ_H
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#define __ASM_SH_IRQ_H
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#include <asm/machvec.h>
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#include <asm/ptrace.h> /* for pt_regs */
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/* NR_IRQS is made from three components:
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* 1. ONCHIP_NR_IRQS - number of IRLS + on-chip peripherial modules
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* 2. PINT_NR_IRQS - number of PINT interrupts
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* 3. OFFCHIP_NR_IRQS - numbe of IRQs from off-chip peripherial modules
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*/
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/* 1. ONCHIP_NR_IRQS */
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#if defined(CONFIG_CPU_SUBTYPE_SH7604)
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# define ONCHIP_NR_IRQS 24 // Actually 21
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#elif defined(CONFIG_CPU_SUBTYPE_SH7707)
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# define ONCHIP_NR_IRQS 64
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# define PINT_NR_IRQS 16
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#elif defined(CONFIG_CPU_SUBTYPE_SH7708)
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# define ONCHIP_NR_IRQS 32
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#elif defined(CONFIG_CPU_SUBTYPE_SH7709) || \
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defined(CONFIG_CPU_SUBTYPE_SH7706) || \
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defined(CONFIG_CPU_SUBTYPE_SH7705)
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# define ONCHIP_NR_IRQS 64 // Actually 61
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# define PINT_NR_IRQS 16
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#elif defined(CONFIG_CPU_SUBTYPE_SH7710)
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# define ONCHIP_NR_IRQS 104
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#elif defined(CONFIG_CPU_SUBTYPE_SH7750)
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# define ONCHIP_NR_IRQS 48 // Actually 44
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#elif defined(CONFIG_CPU_SUBTYPE_SH7751)
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# define ONCHIP_NR_IRQS 72
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#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
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# define ONCHIP_NR_IRQS 112 /* XXX */
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#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
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# define ONCHIP_NR_IRQS 72
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#elif defined(CONFIG_CPU_SUBTYPE_ST40STB1)
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# define ONCHIP_NR_IRQS 144
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#elif defined(CONFIG_CPU_SUBTYPE_SH7300) || \
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defined(CONFIG_CPU_SUBTYPE_SH73180) || \
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defined(CONFIG_CPU_SUBTYPE_SH7343)
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# define ONCHIP_NR_IRQS 109
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#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
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# define ONCHIP_NR_IRQS 111
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#elif defined(CONFIG_CPU_SUBTYPE_SH7206)
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# define ONCHIP_NR_IRQS 256
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#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
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# define ONCHIP_NR_IRQS 128
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#elif defined(CONFIG_SH_UNKNOWN) /* Most be last */
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# define ONCHIP_NR_IRQS 144
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#endif
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/* 2. PINT_NR_IRQS */
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#ifdef CONFIG_SH_UNKNOWN
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# define PINT_NR_IRQS 16
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#else
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# ifndef PINT_NR_IRQS
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# define PINT_NR_IRQS 0
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# endif
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#endif
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#if PINT_NR_IRQS > 0
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# define PINT_IRQ_BASE ONCHIP_NR_IRQS
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#endif
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/* 3. OFFCHIP_NR_IRQS */
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#if defined(CONFIG_HD64461)
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# define OFFCHIP_NR_IRQS 18
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#elif defined (CONFIG_SH_BIGSUR) /* must be before CONFIG_HD64465 */
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# define OFFCHIP_NR_IRQS 48
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#elif defined(CONFIG_HD64465)
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# define OFFCHIP_NR_IRQS 16
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#elif defined (CONFIG_SH_EC3104)
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# define OFFCHIP_NR_IRQS 16
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#elif defined (CONFIG_SH_DREAMCAST)
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# define OFFCHIP_NR_IRQS 96
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#elif defined (CONFIG_SH_TITAN)
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# define OFFCHIP_NR_IRQS 4
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#elif defined(CONFIG_SH_R7780RP)
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# define OFFCHIP_NR_IRQS 16
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#elif defined(CONFIG_SH_7343_SOLUTION_ENGINE)
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# define OFFCHIP_NR_IRQS 12
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#elif defined(CONFIG_SH_UNKNOWN)
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# define OFFCHIP_NR_IRQS 16 /* Must also be last */
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#else
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# define OFFCHIP_NR_IRQS 0
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#endif
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#if OFFCHIP_NR_IRQS > 0
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# define OFFCHIP_IRQ_BASE (ONCHIP_NR_IRQS + PINT_NR_IRQS)
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#endif
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/* NR_IRQS. 1+2+3 */
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#define NR_IRQS (ONCHIP_NR_IRQS + PINT_NR_IRQS + OFFCHIP_NR_IRQS)
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/*
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* Simple Mask Register Support
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*/
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extern void make_maskreg_irq(unsigned int irq);
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extern unsigned short *irq_mask_register;
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/*
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* PINT IRQs
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*/
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void init_IRQ_pint(void);
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struct ipr_data {
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unsigned int irq;
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unsigned int addr; /* Address of Interrupt Priority Register */
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int shift; /* Shifts of the 16-bit data */
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int priority; /* The priority */
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};
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/*
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* Function for "on chip support modules".
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*/
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extern void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs);
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extern void make_imask_irq(unsigned int irq);
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struct intc2_data {
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unsigned short irq;
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unsigned char ipr_offset, ipr_shift;
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unsigned char msk_offset, msk_shift;
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unsigned char priority;
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};
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void make_intc2_irq(struct intc2_data *, unsigned int nr_irqs);
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void init_IRQ_intc2(void);
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static inline int generic_irq_demux(int irq)
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{
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return irq;
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}
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#define irq_canonicalize(irq) (irq)
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#define irq_demux(irq) sh_mv.mv_irq_demux(irq)
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#ifdef CONFIG_4KSTACKS
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extern void irq_ctx_init(int cpu);
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extern void irq_ctx_exit(int cpu);
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# define __ARCH_HAS_DO_SOFTIRQ
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#else
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# define irq_ctx_init(cpu) do { } while (0)
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# define irq_ctx_exit(cpu) do { } while (0)
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#endif
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#endif /* __ASM_SH_IRQ_H */
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