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75 lines
1.9 KiB
C
75 lines
1.9 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 <mach/highlander.h>
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enum {
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UNUSED = 0,
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/* board specific interrupt sources */
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CF, /* Compact Flash */
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TP, /* Touch panel */
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SCIF1, /* FPGA SCIF1 */
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SCIF0, /* FPGA SCIF0 */
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SMBUS, /* SMBUS */
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RTC, /* RTC Alarm */
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AX88796, /* Ethernet controller */
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PSW, /* Push Switch */
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/* external bus connector */
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EXT1, EXT2, EXT4, EXT5, EXT6,
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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(TP, IRQ_TP),
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INTC_IRQ(SCIF1, IRQ_SCIF1),
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INTC_IRQ(SCIF0, IRQ_SCIF0),
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INTC_IRQ(SMBUS, IRQ_SMBUS),
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INTC_IRQ(RTC, IRQ_RTC),
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INTC_IRQ(AX88796, IRQ_AX88796),
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INTC_IRQ(PSW, IRQ_PSW),
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INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2),
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INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5),
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INTC_IRQ(EXT6, IRQ_EXT6),
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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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{ SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS,
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0, EXT6, EXT5, EXT4, EXT2, 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, IRQ_TP, IRQ_SCIF1,
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IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6,
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IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, 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_plat_irq_setup(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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