52964f87c6
The majority of irq_host implementations (3 out of 4) are associated with a device_node, and need to stash it somewhere. Rather than having it somewhere different for each host, add an optional device_node pointer to the irq_host structure. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/*
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* arch/powerpc/sysdev/qe_lib/qe_ic.h
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*
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* QUICC ENGINE Interrupt Controller Header
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*
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* Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
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*
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* Author: Li Yang <leoli@freescale.com>
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* Based on code from Shlomi Gridish <gridish@freescale.com>
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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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#ifndef _POWERPC_SYSDEV_QE_IC_H
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#define _POWERPC_SYSDEV_QE_IC_H
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#include <asm/qe_ic.h>
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#define NR_QE_IC_INTS 64
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/* QE IC registers offset */
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#define QEIC_CICR 0x00
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#define QEIC_CIVEC 0x04
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#define QEIC_CRIPNR 0x08
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#define QEIC_CIPNR 0x0c
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#define QEIC_CIPXCC 0x10
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#define QEIC_CIPYCC 0x14
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#define QEIC_CIPWCC 0x18
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#define QEIC_CIPZCC 0x1c
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#define QEIC_CIMR 0x20
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#define QEIC_CRIMR 0x24
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#define QEIC_CICNR 0x28
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#define QEIC_CIPRTA 0x30
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#define QEIC_CIPRTB 0x34
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#define QEIC_CRICR 0x3c
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#define QEIC_CHIVEC 0x60
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/* Interrupt priority registers */
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#define CIPCC_SHIFT_PRI0 29
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#define CIPCC_SHIFT_PRI1 26
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#define CIPCC_SHIFT_PRI2 23
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#define CIPCC_SHIFT_PRI3 20
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#define CIPCC_SHIFT_PRI4 13
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#define CIPCC_SHIFT_PRI5 10
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#define CIPCC_SHIFT_PRI6 7
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#define CIPCC_SHIFT_PRI7 4
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/* CICR priority modes */
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#define CICR_GWCC 0x00040000
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#define CICR_GXCC 0x00020000
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#define CICR_GYCC 0x00010000
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#define CICR_GZCC 0x00080000
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#define CICR_GRTA 0x00200000
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#define CICR_GRTB 0x00400000
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#define CICR_HPIT_SHIFT 8
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#define CICR_HPIT_MASK 0x00000300
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#define CICR_HP_SHIFT 24
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#define CICR_HP_MASK 0x3f000000
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/* CICNR */
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#define CICNR_WCC1T_SHIFT 20
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#define CICNR_ZCC1T_SHIFT 28
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#define CICNR_YCC1T_SHIFT 12
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#define CICNR_XCC1T_SHIFT 4
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/* CRICR */
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#define CRICR_RTA1T_SHIFT 20
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#define CRICR_RTB1T_SHIFT 28
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/* Signal indicator */
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#define SIGNAL_MASK 3
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#define SIGNAL_HIGH 2
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#define SIGNAL_LOW 0
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struct qe_ic {
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/* Control registers offset */
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volatile u32 __iomem *regs;
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/* The remapper for this QEIC */
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struct irq_host *irqhost;
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/* The "linux" controller struct */
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struct irq_chip hc_irq;
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/* VIRQ numbers of QE high/low irqs */
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unsigned int virq_high;
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unsigned int virq_low;
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};
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/*
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* QE interrupt controller internal structure
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*/
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struct qe_ic_info {
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u32 mask; /* location of this source at the QIMR register. */
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u32 mask_reg; /* Mask register offset */
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u8 pri_code; /* for grouped interrupts sources - the interrupt
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code as appears at the group priority register */
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u32 pri_reg; /* Group priority register offset */
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};
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#endif /* _POWERPC_SYSDEV_QE_IC_H */
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