66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
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* Renesas Solutions Highlander R7785RP 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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};
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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(AX88796, IRQ_AX88796),
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};
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static struct intc_mask_reg mask_registers[] __initdata = {
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{ 0xa4000010, 0, 16, /* IRLMCR1 */
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{ 0, 0, 0, 0, CF, AX88796, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0 } },
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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, 0, IRQ_AX88796, 0,
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0, 0, 0,
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};
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static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors,
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NULL, NULL, mask_registers, NULL, NULL);
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unsigned char * __init highlander_init_irq_r7785rp(void)
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{
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if ((ctrl_inw(0xa4000158) & 0xf000) != 0x1000)
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return NULL;
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printk(KERN_INFO "Using r7785rp interrupt controller.\n");
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ctrl_outw(0x0000, PA_IRLSSR1); /* FPGA IRLSSR1(CF_CD clear) */
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/* Setup the FPGA IRL */
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ctrl_outw(0x0000, PA_IRLPRA); /* FPGA IRLA */
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ctrl_outw(0xe598, PA_IRLPRB); /* FPGA IRLB */
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ctrl_outw(0x7060, PA_IRLPRC); /* FPGA IRLC */
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ctrl_outw(0x0000, PA_IRLPRD); /* FPGA IRLD */
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ctrl_outw(0x4321, PA_IRLPRE); /* FPGA IRLE */
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ctrl_outw(0x0000, PA_IRLPRF); /* FPGA IRLF */
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register_intc_controller(&intc_desc);
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return irl2irq;
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}
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