tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
1
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kernel / include / asm-arm / hardware / entry-macro-iomd.S
at v2.6.21 145 lines 6.3 kB view raw
1/* 2 * include/asm-arm/hardware/entry-macro-iomd.S 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 512406: 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 59irq_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 76irq_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 93irq_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 110irq_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 128irq_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