mirror of https://gitee.com/openkylin/linux.git
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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* Renesas Solutions Highlander R7780MP Support.
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*
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* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
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* Copyright (C) 2006 Paul Mundt
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* Copyright (C) 2007 Magnus Damm
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/io.h>
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#include <asm/r7780rp.h>
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enum {
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UNUSED = 0,
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/* board specific interrupt sources */
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AX88796, /* Ethernet controller */
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CF, /* Compact Flash */
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PSW, /* Push Switch */
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EXT1, /* EXT1n IRQ */
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EXT4, /* EXT4n IRQ */
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};
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static struct intc_vect vectors[] __initdata = {
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INTC_IRQ(CF, IRQ_CF),
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INTC_IRQ(PSW, IRQ_PSW),
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INTC_IRQ(AX88796, IRQ_AX88796),
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INTC_IRQ(EXT1, IRQ_EXT1),
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INTC_IRQ(EXT4, IRQ_EXT4),
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};
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static struct intc_mask_reg mask_registers[] __initdata = {
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{ 0xa4000000, 0, 16, /* IRLMSK */
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{ 0, 0, 0, 0, CF, 0, 0, 0,
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0, 0, 0, EXT4, 0, EXT1, PSW, AX88796 } },
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};
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static unsigned char irl2irq[HL_NR_IRL] __initdata = {
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0, IRQ_CF, 0, 0,
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0, 0, 0, 0,
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0, IRQ_EXT4, 0, IRQ_EXT1,
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0, IRQ_AX88796, IRQ_PSW,
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};
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static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
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NULL, mask_registers, NULL, NULL);
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unsigned char * __init highlander_init_irq_r7780mp(void)
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{
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if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) {
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printk(KERN_INFO "Using r7780mp interrupt controller.\n");
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register_intc_controller(&intc_desc);
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return irl2irq;
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}
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return NULL;
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}
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