ipic.h (1369B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * IPIC private definitions and structure. 4 * 5 * Maintainer: Kumar Gala <galak@kernel.crashing.org> 6 * 7 * Copyright 2005 Freescale Semiconductor, Inc 8 */ 9#ifndef __IPIC_H__ 10#define __IPIC_H__ 11 12#include <asm/ipic.h> 13 14#define NR_IPIC_INTS 128 15 16/* External IRQS */ 17#define IPIC_IRQ_EXT0 48 18#define IPIC_IRQ_EXT1 17 19#define IPIC_IRQ_EXT7 23 20 21/* Default Priority Registers */ 22#define IPIC_PRIORITY_DEFAULT 0x05309770 23 24/* System Global Interrupt Configuration Register */ 25#define SICFR_IPSA 0x00010000 26#define SICFR_IPSB 0x00020000 27#define SICFR_IPSC 0x00040000 28#define SICFR_IPSD 0x00080000 29#define SICFR_MPSA 0x00200000 30#define SICFR_MPSB 0x00400000 31 32/* System External Interrupt Mask Register */ 33#define SEMSR_SIRQ0 0x00008000 34 35/* System Error Control Register */ 36#define SERCR_MCPR 0x00000001 37 38struct ipic { 39 volatile u32 __iomem *regs; 40 41 /* The remapper for this IPIC */ 42 struct irq_domain *irqhost; 43}; 44 45struct ipic_info { 46 u8 ack; /* pending register offset from base if the irq 47 supports ack operation */ 48 u8 mask; /* mask register offset from base */ 49 u8 prio; /* priority register offset from base */ 50 u8 force; /* force register offset from base */ 51 u8 bit; /* register bit position (as per doc) 52 bit mask = 1 << (31 - bit) */ 53 u8 prio_mask; /* priority mask value */ 54}; 55 56#endif /* __IPIC_H__ */