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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | /* * arch/arm/commond/entry-macro-iomd.S * * Low-level IRQ helper macros for IOC/IOMD based platforms * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ /* IOC / IOMD based hardware */ #include <asm/hardware/iomd.h> .equ ioc_base_high, IOC_BASE & 0xff000000 .equ ioc_base_low, IOC_BASE & 0x00ff0000 .macro disable_fiq mov r12, #ioc_base_high .if ioc_base_low orr r12, r12, #ioc_base_low .endif strb r12, [r12, #0x38] @ Disable FIQ register .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp mov r4, #ioc_base_high @ point at IOC .if ioc_base_low orr r4, r4, #ioc_base_low .endif ldrb \irqstat, [r4, #IOMD_IRQREQB] @ get high priority first ldr \base, =irq_prio_h teq \irqstat, #0 #ifdef IOMD_BASE ldreqb \irqstat, [r4, #IOMD_DMAREQ] @ get dma addeq \base, \base, #256 @ irq_prio_h table size teqeq \irqstat, #0 bne 2406f #endif ldreqb \irqstat, [r4, #IOMD_IRQREQA] @ get low priority addeq \base, \base, #256 @ irq_prio_d table size teqeq \irqstat, #0 #ifdef IOMD_IRQREQC ldreqb \irqstat, [r4, #IOMD_IRQREQC] addeq \base, \base, #256 @ irq_prio_l table size teqeq \irqstat, #0 #endif #ifdef IOMD_IRQREQD ldreqb \irqstat, [r4, #IOMD_IRQREQD] addeq \base, \base, #256 @ irq_prio_lc table size teqeq \irqstat, #0 #endif 2406: ldrneb \irqnr, [\base, \irqstat] @ get IRQ number .endm /* * Interrupt table (incorporates priority). Please note that we * rely on the order of these tables (see above code). */ .align 5 irq_prio_h: .byte 0, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10 .byte 12, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10 .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 #ifdef IOMD_BASE irq_prio_d: .byte 0,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 20,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 #endif irq_prio_l: .byte 0, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 .byte 4, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3 .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 #ifdef IOMD_IRQREQC irq_prio_lc: .byte 24,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27 .byte 28,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27 .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 #endif #ifdef IOMD_IRQREQD irq_prio_ld: .byte 40,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43 .byte 44,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43 .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 #endif |