projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| f30c2269 | 2 | * include/asm-arm/hardware/entry-macro-iomd.S |
| 1da177e4 LT |
3 | * |
| 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 | ||
| 14 | .equ ioc_base_high, IOC_BASE & 0xff000000 | |
| 15 | .equ ioc_base_low, IOC_BASE & 0x00ff0000 | |
| 16 | .macro disable_fiq | |
| 17 | mov r12, #ioc_base_high | |
| 18 | .if ioc_base_low | |
| 19 | orr r12, r12, #ioc_base_low | |
| 20 | .endif | |
| 21 | strb r12, [r12, #0x38] @ Disable FIQ register | |
| 22 | .endm | |
| 23 | ||
| 24 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | |
| 25 | mov r4, #ioc_base_high @ point at IOC | |
| 26 | .if ioc_base_low | |
| 27 | orr r4, r4, #ioc_base_low | |
| 28 | .endif | |
| 29 | ldrb \irqstat, [r4, #IOMD_IRQREQB] @ get high priority first | |
| 30 | ldr \base, =irq_prio_h | |
| 31 | teq \irqstat, #0 | |
| 32 | #ifdef IOMD_BASE | |
| 33 | ldreqb \irqstat, [r4, #IOMD_DMAREQ] @ get dma | |
| 34 | addeq \base, \base, #256 @ irq_prio_h table size | |
| 35 | teqeq \irqstat, #0 | |
| 36 | bne 2406f | |
| 37 | #endif | |
| 38 | ldreqb \irqstat, [r4, #IOMD_IRQREQA] @ get low priority | |
| 39 | addeq \base, \base, #256 @ irq_prio_d table size | |
| 40 | teqeq \irqstat, #0 | |
| 41 | #ifdef IOMD_IRQREQC | |
| 42 | ldreqb \irqstat, [r4, #IOMD_IRQREQC] | |
| 43 | addeq \base, \base, #256 @ irq_prio_l table size | |
| 44 | teqeq \irqstat, #0 | |
| 45 | #endif | |
| 46 | #ifdef IOMD_IRQREQD | |
| 47 | ldreqb \irqstat, [r4, #IOMD_IRQREQD] | |
| 48 | addeq \base, \base, #256 @ irq_prio_lc table size | |
| 49 | teqeq \irqstat, #0 | |
| 50 | #endif | |
| 51 | 2406: ldrneb \irqnr, [\base, \irqstat] @ get IRQ number | |
| 52 | .endm | |
| 53 | ||
| 54 | /* | |
| 55 | * Interrupt table (incorporates priority). Please note that we | |
| 56 | * rely on the order of these tables (see above code). | |
| 57 | */ | |
| 58 | .align 5 | |
| 59 | irq_prio_h: .byte 0, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 60 | .byte 12, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 61 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 62 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 63 | .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 64 | .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 65 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 66 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 67 | .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 68 | .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 69 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 70 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 71 | .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 72 | .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 73 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 74 | .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 | |
| 75 | #ifdef IOMD_BASE | |
| 76 | irq_prio_d: .byte 0,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 77 | .byte 20,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 78 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 79 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 80 | .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 81 | .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 82 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 83 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 84 | .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 85 | .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 86 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 87 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 88 | .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 89 | .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 90 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 91 | .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 | |
| 92 | #endif | |
| 93 | irq_prio_l: .byte 0, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 | |
| 94 | .byte 4, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 | |
| 95 | .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 | |
| 96 | .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 | |
| 97 | .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3 | |
| 98 | .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3 | |
| 99 | .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 | |
| 100 | .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 | |
| 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 | .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 | |
| 104 | .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 | |
| 105 | .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 | |
| 106 | .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 | |
| 107 | .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 | |
| 108 | .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 | |
| 109 | #ifdef IOMD_IRQREQC | |
| 110 | irq_prio_lc: .byte 24,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27 | |
| 111 | .byte 28,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27 | |
| 112 | .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 | |
| 113 | .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 | |
| 114 | .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27 | |
| 115 | .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27 | |
| 116 | .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 | |
| 117 | .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 | |
| 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 | .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 | |
| 121 | .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 | |
| 122 | .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 | |
| 123 | .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 | |
| 124 | .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 | |
| 125 | .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 | |
| 126 | #endif | |
| 127 | #ifdef IOMD_IRQREQD | |
| 128 | irq_prio_ld: .byte 40,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43 | |
| 129 | .byte 44,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43 | |
| 130 | .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 | |
| 131 | .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 | |
| 132 | .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43 | |
| 133 | .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43 | |
| 134 | .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 | |
| 135 | .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 | |
| 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 | .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 | |
| 139 | .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 | |
| 140 | .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 | |
| 141 | .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 | |
| 142 | .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 | |
| 143 | .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 | |
| 144 | #endif | |
| 145 |