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71 lines
1.8 KiB
71 lines
1.8 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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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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#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 ((__raw_readw(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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