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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Russell King4baa9922008-08-02 10:55:55 +01002 * arch/arm/include/asm/hardware/entry-macro-iomd.S
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * Low-level IRQ helper macros for IOC/IOMD based platforms
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10
11/* IOC / IOMD based hardware */
12#include <asm/hardware/iomd.h>
13
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 .macro disable_fiq
15 mov r12, #ioc_base_high
16 .if ioc_base_low
17 orr r12, r12, #ioc_base_low
18 .endif
19 strb r12, [r12, #0x38] @ Disable FIQ register
20 .endm
21
22 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
Russell King641e7912007-05-12 15:25:50 +010023 ldrb \irqstat, [\base, #IOMD_IRQREQB] @ get high priority first
24 ldr \tmp, =irq_prio_h
Linus Torvalds1da177e2005-04-16 15:20:36 -070025 teq \irqstat, #0
26#ifdef IOMD_BASE
Russell King641e7912007-05-12 15:25:50 +010027 ldreqb \irqstat, [\base, #IOMD_DMAREQ] @ get dma
28 addeq \tmp, \tmp, #256 @ irq_prio_h table size
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 teqeq \irqstat, #0
30 bne 2406f
31#endif
Russell King641e7912007-05-12 15:25:50 +010032 ldreqb \irqstat, [\base, #IOMD_IRQREQA] @ get low priority
33 addeq \tmp, \tmp, #256 @ irq_prio_d table size
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 teqeq \irqstat, #0
35#ifdef IOMD_IRQREQC
Russell King641e7912007-05-12 15:25:50 +010036 ldreqb \irqstat, [\base, #IOMD_IRQREQC]
37 addeq \tmp, \tmp, #256 @ irq_prio_l table size
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 teqeq \irqstat, #0
39#endif
40#ifdef IOMD_IRQREQD
Russell King641e7912007-05-12 15:25:50 +010041 ldreqb \irqstat, [\base, #IOMD_IRQREQD]
42 addeq \tmp, \tmp, #256 @ irq_prio_lc table size
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 teqeq \irqstat, #0
44#endif
Russell King641e7912007-05-12 15:25:50 +0100452406: ldrneb \irqnr, [\tmp, \irqstat] @ get IRQ number
Linus Torvalds1da177e2005-04-16 15:20:36 -070046 .endm
47
48/*
49 * Interrupt table (incorporates priority). Please note that we
50 * rely on the order of these tables (see above code).
51 */
52 .align 5
53irq_prio_h: .byte 0, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10
54 .byte 12, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10
55 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
56 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
57 .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10
58 .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10
59 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
60 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
61 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
62 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
63 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
64 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
65 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
66 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
67 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
68 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
69#ifdef IOMD_BASE
70irq_prio_d: .byte 0,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
71 .byte 20,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
72 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
73 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
74 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
75 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
76 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
77 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
78 .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
79 .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
80 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
81 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
82 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
83 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
84 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
85 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
86#endif
87irq_prio_l: .byte 0, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3
88 .byte 4, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3
89 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
90 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
91 .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3
92 .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3
93 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
94 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
95 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
96 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
97 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
98 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
99 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
100 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
101 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
102 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
103#ifdef IOMD_IRQREQC
104irq_prio_lc: .byte 24,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27
105 .byte 28,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27
106 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
107 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
108 .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27
109 .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27
110 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
111 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
112 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
113 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
114 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
115 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
116 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
117 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
118 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
119 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
120#endif
121#ifdef IOMD_IRQREQD
122irq_prio_ld: .byte 40,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43
123 .byte 44,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43
124 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
125 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
126 .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43
127 .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43
128 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
129 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
130 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
131 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
132 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
133 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
134 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
135 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
136 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
137 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
138#endif
139