1 /* 2 * IPIC private definitions and structure. 3 * 4 * Maintainer: Kumar Gala <galak@kernel.crashing.org> 5 * 6 * Copyright 2005 Freescale Semiconductor, Inc 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 */ 13 #ifndef __IPIC_H__ 14 #define __IPIC_H__ 15 16 #include <asm/ipic.h> 17 18 #define NR_IPIC_INTS 128 19 20 /* External IRQS */ 21 #define IPIC_IRQ_EXT0 48 22 #define IPIC_IRQ_EXT1 17 23 #define IPIC_IRQ_EXT7 23 24 25 /* Default Priority Registers */ 26 #define IPIC_PRIORITY_DEFAULT 0x05309770 27 28 /* System Global Interrupt Configuration Register */ 29 #define SICFR_IPSA 0x00010000 30 #define SICFR_IPSB 0x00020000 31 #define SICFR_IPSC 0x00040000 32 #define SICFR_IPSD 0x00080000 33 #define SICFR_MPSA 0x00200000 34 #define SICFR_MPSB 0x00400000 35 36 /* System External Interrupt Mask Register */ 37 #define SEMSR_SIRQ0 0x00008000 38 39 /* System Error Control Register */ 40 #define SERCR_MCPR 0x00000001 41 42 struct ipic { 43 volatile u32 __iomem *regs; 44 45 /* The remapper for this IPIC */ 46 struct irq_domain *irqhost; 47 }; 48 49 struct ipic_info { 50 u8 ack; /* pending register offset from base if the irq 51 supports ack operation */ 52 u8 mask; /* mask register offset from base */ 53 u8 prio; /* priority register offset from base */ 54 u8 force; /* force register offset from base */ 55 u8 bit; /* register bit position (as per doc) 56 bit mask = 1 << (31 - bit) */ 57 u8 prio_mask; /* priority mask value */ 58 }; 59 60 #endif /* __IPIC_H__ */ 61