| /* |
| * 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 |
| |