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122 lines
4.8 KiB
122 lines
4.8 KiB
/*
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* Macros for vr4181 IRQ numbers.
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*
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* Copyright (C) 2001 MontaVista Software Inc.
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* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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/*
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* Strategy:
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*
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* Vr4181 has conceptually three levels of interrupt controllers:
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* 1. the CPU itself with 8 intr level.
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* 2. system interrupt controller, cascaded from int0 pin in CPU, 32 intrs
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* 3. GPIO interrupts : forwarding external interrupts to sys intr controller
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*/
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/* decide the irq block assignment */
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#define VR4181_NUM_CPU_IRQ 8
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#define VR4181_NUM_SYS_IRQ 32
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#define VR4181_NUM_GPIO_IRQ 16
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#define VR4181_IRQ_BASE 0
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#define VR4181_CPU_IRQ_BASE VR4181_IRQ_BASE
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#define VR4181_SYS_IRQ_BASE (VR4181_CPU_IRQ_BASE + VR4181_NUM_CPU_IRQ)
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#define VR4181_GPIO_IRQ_BASE (VR4181_SYS_IRQ_BASE + VR4181_NUM_SYS_IRQ)
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/* CPU interrupts */
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/*
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IP0 - Software interrupt
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IP1 - Software interrupt
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IP2 - All but battery, high speed modem, and real time clock
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IP3 - RTC Long1 (system timer)
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IP4 - RTC Long2
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IP5 - High Speed Modem (unused on VR4181)
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IP6 - Unused
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IP7 - Timer interrupt from CPO_COMPARE
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*/
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#define VR4181_IRQ_SW1 (VR4181_CPU_IRQ_BASE + 0)
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#define VR4181_IRQ_SW2 (VR4181_CPU_IRQ_BASE + 1)
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#define VR4181_IRQ_INT0 (VR4181_CPU_IRQ_BASE + 2)
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#define VR4181_IRQ_INT1 (VR4181_CPU_IRQ_BASE + 3)
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#define VR4181_IRQ_INT2 (VR4181_CPU_IRQ_BASE + 4)
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#define VR4181_IRQ_INT3 (VR4181_CPU_IRQ_BASE + 5)
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#define VR4181_IRQ_INT4 (VR4181_CPU_IRQ_BASE + 6)
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#define VR4181_IRQ_TIMER (VR4181_CPU_IRQ_BASE + 7)
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/* Cascaded from VR4181_IRQ_INT0 (ICU mapped interrupts) */
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/*
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IP2 - same as VR4181_IRQ_INT1
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IP8 - This is a cascade to GPIO IRQ's. Do not use.
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IP16 - same as VR4181_IRQ_INT2
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IP18 - CompactFlash
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*/
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#define VR4181_IRQ_BATTERY (VR4181_SYS_IRQ_BASE + 0)
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#define VR4181_IRQ_POWER (VR4181_SYS_IRQ_BASE + 1)
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#define VR4181_IRQ_RTCL1 (VR4181_SYS_IRQ_BASE + 2)
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#define VR4181_IRQ_ETIMER (VR4181_SYS_IRQ_BASE + 3)
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#define VR4181_IRQ_RFU12 (VR4181_SYS_IRQ_BASE + 4)
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#define VR4181_IRQ_PIU (VR4181_SYS_IRQ_BASE + 5)
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#define VR4181_IRQ_AIU (VR4181_SYS_IRQ_BASE + 6)
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#define VR4181_IRQ_KIU (VR4181_SYS_IRQ_BASE + 7)
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#define VR4181_IRQ_GIU (VR4181_SYS_IRQ_BASE + 8)
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#define VR4181_IRQ_SIU (VR4181_SYS_IRQ_BASE + 9)
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#define VR4181_IRQ_RFU18 (VR4181_SYS_IRQ_BASE + 10)
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#define VR4181_IRQ_SOFT (VR4181_SYS_IRQ_BASE + 11)
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#define VR4181_IRQ_RFU20 (VR4181_SYS_IRQ_BASE + 12)
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#define VR4181_IRQ_DOZEPIU (VR4181_SYS_IRQ_BASE + 13)
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#define VR4181_IRQ_RFU22 (VR4181_SYS_IRQ_BASE + 14)
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#define VR4181_IRQ_RFU23 (VR4181_SYS_IRQ_BASE + 15)
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#define VR4181_IRQ_RTCL2 (VR4181_SYS_IRQ_BASE + 16)
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#define VR4181_IRQ_LED (VR4181_SYS_IRQ_BASE + 17)
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#define VR4181_IRQ_ECU (VR4181_SYS_IRQ_BASE + 18)
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#define VR4181_IRQ_CSU (VR4181_SYS_IRQ_BASE + 19)
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#define VR4181_IRQ_USB (VR4181_SYS_IRQ_BASE + 20)
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#define VR4181_IRQ_DMA (VR4181_SYS_IRQ_BASE + 21)
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#define VR4181_IRQ_LCD (VR4181_SYS_IRQ_BASE + 22)
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#define VR4181_IRQ_RFU31 (VR4181_SYS_IRQ_BASE + 23)
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#define VR4181_IRQ_RFU32 (VR4181_SYS_IRQ_BASE + 24)
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#define VR4181_IRQ_RFU33 (VR4181_SYS_IRQ_BASE + 25)
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#define VR4181_IRQ_RFU34 (VR4181_SYS_IRQ_BASE + 26)
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#define VR4181_IRQ_RFU35 (VR4181_SYS_IRQ_BASE + 27)
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#define VR4181_IRQ_RFU36 (VR4181_SYS_IRQ_BASE + 28)
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#define VR4181_IRQ_RFU37 (VR4181_SYS_IRQ_BASE + 29)
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#define VR4181_IRQ_RFU38 (VR4181_SYS_IRQ_BASE + 30)
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#define VR4181_IRQ_RFU39 (VR4181_SYS_IRQ_BASE + 31)
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/* Cascaded from VR4181_IRQ_GIU */
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#define VR4181_IRQ_GPIO0 (VR4181_GPIO_IRQ_BASE + 0)
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#define VR4181_IRQ_GPIO1 (VR4181_GPIO_IRQ_BASE + 1)
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#define VR4181_IRQ_GPIO2 (VR4181_GPIO_IRQ_BASE + 2)
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#define VR4181_IRQ_GPIO3 (VR4181_GPIO_IRQ_BASE + 3)
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#define VR4181_IRQ_GPIO4 (VR4181_GPIO_IRQ_BASE + 4)
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#define VR4181_IRQ_GPIO5 (VR4181_GPIO_IRQ_BASE + 5)
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#define VR4181_IRQ_GPIO6 (VR4181_GPIO_IRQ_BASE + 6)
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#define VR4181_IRQ_GPIO7 (VR4181_GPIO_IRQ_BASE + 7)
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#define VR4181_IRQ_GPIO8 (VR4181_GPIO_IRQ_BASE + 8)
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#define VR4181_IRQ_GPIO9 (VR4181_GPIO_IRQ_BASE + 9)
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#define VR4181_IRQ_GPIO10 (VR4181_GPIO_IRQ_BASE + 10)
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#define VR4181_IRQ_GPIO11 (VR4181_GPIO_IRQ_BASE + 11)
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#define VR4181_IRQ_GPIO12 (VR4181_GPIO_IRQ_BASE + 12)
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#define VR4181_IRQ_GPIO13 (VR4181_GPIO_IRQ_BASE + 13)
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#define VR4181_IRQ_GPIO14 (VR4181_GPIO_IRQ_BASE + 14)
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#define VR4181_IRQ_GPIO15 (VR4181_GPIO_IRQ_BASE + 15)
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// Alternative to above GPIO IRQ defines
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#define VR4181_IRQ_GPIO(pin) ((VR4181_IRQ_GPIO0) + (pin))
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#define VR4181_IRQ_MAX (VR4181_IRQ_BASE + VR4181_NUM_CPU_IRQ + \
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VR4181_NUM_SYS_IRQ + VR4181_NUM_GPIO_IRQ)
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