diff options
Diffstat (limited to 'include/asm-arm/hardware/entry-macro-iomd.S')
| -rw-r--r-- | include/asm-arm/hardware/entry-macro-iomd.S | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/include/asm-arm/hardware/entry-macro-iomd.S b/include/asm-arm/hardware/entry-macro-iomd.S new file mode 100644 index 000000000000..30c7b92c2416 --- /dev/null +++ b/include/asm-arm/hardware/entry-macro-iomd.S @@ -0,0 +1,145 @@ +/* + * 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 + |