4 #include <asm/machvec.h>
5 #include <asm/ptrace.h> /* for pt_regs */
7 /* NR_IRQS is made from three components:
8 * 1. ONCHIP_NR_IRQS - number of IRLS + on-chip peripherial modules
9 * 2. PINT_NR_IRQS - number of PINT interrupts
10 * 3. OFFCHIP_NR_IRQS - numbe of IRQs from off-chip peripherial modules
13 /* 1. ONCHIP_NR_IRQS */
14 #if defined(CONFIG_CPU_SUBTYPE_SH7604)
15 # define ONCHIP_NR_IRQS 24 // Actually 21
16 #elif defined(CONFIG_CPU_SUBTYPE_SH7707)
17 # define ONCHIP_NR_IRQS 64
18 # define PINT_NR_IRQS 16
19 #elif defined(CONFIG_CPU_SUBTYPE_SH7708)
20 # define ONCHIP_NR_IRQS 32
21 #elif defined(CONFIG_CPU_SUBTYPE_SH7709) || \
22 defined(CONFIG_CPU_SUBTYPE_SH7706) || \
23 defined(CONFIG_CPU_SUBTYPE_SH7705)
24 # define ONCHIP_NR_IRQS 64 // Actually 61
25 # define PINT_NR_IRQS 16
26 #elif defined(CONFIG_CPU_SUBTYPE_SH7710)
27 # define ONCHIP_NR_IRQS 104
28 #elif defined(CONFIG_CPU_SUBTYPE_SH7750)
29 # define ONCHIP_NR_IRQS 48 // Actually 44
30 #elif defined(CONFIG_CPU_SUBTYPE_SH7751)
31 # define ONCHIP_NR_IRQS 72
32 #elif defined(CONFIG_CPU_SUBTYPE_SH7760)
33 # define ONCHIP_NR_IRQS 112 /* XXX */
34 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
35 # define ONCHIP_NR_IRQS 72
36 #elif defined(CONFIG_CPU_SUBTYPE_ST40STB1)
37 # define ONCHIP_NR_IRQS 144
38 #elif defined(CONFIG_CPU_SUBTYPE_SH7300) || \
39 defined(CONFIG_CPU_SUBTYPE_SH73180) || \
40 defined(CONFIG_CPU_SUBTYPE_SH7343) || \
41 defined(CONFIG_CPU_SUBTYPE_SH7722)
42 # define ONCHIP_NR_IRQS 109
43 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
44 # define ONCHIP_NR_IRQS 111
45 #elif defined(CONFIG_CPU_SUBTYPE_SH7206)
46 # define ONCHIP_NR_IRQS 256
47 #elif defined(CONFIG_CPU_SUBTYPE_SH7619)
48 # define ONCHIP_NR_IRQS 128
49 #elif defined(CONFIG_SH_UNKNOWN) /* Most be last */
50 # define ONCHIP_NR_IRQS 144
54 #ifdef CONFIG_SH_UNKNOWN
55 # define PINT_NR_IRQS 16
58 # define PINT_NR_IRQS 0
63 # define PINT_IRQ_BASE ONCHIP_NR_IRQS
66 /* 3. OFFCHIP_NR_IRQS */
67 #if defined(CONFIG_HD64461)
68 # define OFFCHIP_NR_IRQS 18
69 #elif defined (CONFIG_SH_BIGSUR) /* must be before CONFIG_HD64465 */
70 # define OFFCHIP_NR_IRQS 48
71 #elif defined(CONFIG_HD64465)
72 # define OFFCHIP_NR_IRQS 16
73 #elif defined (CONFIG_SH_EC3104)
74 # define OFFCHIP_NR_IRQS 16
75 #elif defined (CONFIG_SH_DREAMCAST)
76 # define OFFCHIP_NR_IRQS 96
77 #elif defined (CONFIG_SH_TITAN)
78 # define OFFCHIP_NR_IRQS 4
79 #elif defined(CONFIG_SH_R7780RP)
80 # define OFFCHIP_NR_IRQS 16
81 #elif defined(CONFIG_SH_7343_SOLUTION_ENGINE)
82 # define OFFCHIP_NR_IRQS 12
83 #elif defined(CONFIG_SH_7722_SOLUTION_ENGINE)
84 # define OFFCHIP_NR_IRQS 14
85 #elif defined(CONFIG_SH_UNKNOWN)
86 # define OFFCHIP_NR_IRQS 16 /* Must also be last */
88 # define OFFCHIP_NR_IRQS 0
91 #if OFFCHIP_NR_IRQS > 0
92 # define OFFCHIP_IRQ_BASE (ONCHIP_NR_IRQS + PINT_NR_IRQS)
96 #define NR_IRQS (ONCHIP_NR_IRQS + PINT_NR_IRQS + OFFCHIP_NR_IRQS)
99 * Convert back and forth between INTEVT and IRQ values.
101 #define evt2irq(evt) (((evt) >> 5) - 16)
102 #define irq2evt(irq) (((irq) + 16) << 5)
105 * Simple Mask Register Support
107 extern void make_maskreg_irq(unsigned int irq);
108 extern unsigned short *irq_mask_register;
113 void init_IRQ_pint(void);
116 * The shift value is now the number of bits to shift, not the number of
117 * bits/4. This is to make it easier to read the value directly from the
118 * datasheets. The IPR address, addr, will be set from ipr_idx via the
119 * map_ipridx_to_addr function.
123 int ipr_idx; /* Index for the IPR registered */
124 int shift; /* Number of bits to shift the data */
125 int priority; /* The priority */
126 unsigned int addr; /* Address of Interrupt Priority Register */
130 * Given an IPR IDX, map the value to an IPR register address.
132 unsigned int map_ipridx_to_addr(int idx);
135 * Enable individual interrupt mode for external IPR IRQs.
137 void ipr_irq_enable_irlm(void);
140 * Function for "on chip support modules".
142 void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs);
143 void make_imask_irq(unsigned int irq);
144 void init_IRQ_ipr(void);
148 unsigned char ipr_offset, ipr_shift;
149 unsigned char msk_offset, msk_shift;
150 unsigned char priority;
153 void make_intc2_irq(struct intc2_data *, unsigned int nr_irqs);
154 void init_IRQ_intc2(void);
156 static inline int generic_irq_demux(int irq)
161 #define irq_canonicalize(irq) (irq)
162 #define irq_demux(irq) sh_mv.mv_irq_demux(irq)
164 #ifdef CONFIG_4KSTACKS
165 extern void irq_ctx_init(int cpu);
166 extern void irq_ctx_exit(int cpu);
167 # define __ARCH_HAS_DO_SOFTIRQ
169 # define irq_ctx_init(cpu) do { } while (0)
170 # define irq_ctx_exit(cpu) do { } while (0)
173 #endif /* __ASM_SH_IRQ_H */