| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * linux/arch/sh/boards/renesas/sdk7780/irq.c |
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| 4 | * |
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| 5 | * Renesas Technology Europe SDK7780 Support. |
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| 6 | * |
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| 7 | * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk> |
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| 8 | */ |
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| 9 | #include <linux/init.h> |
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| 10 | #include <linux/irq.h> |
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| 11 | #include <linux/io.h> |
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| 12 | #include <mach/sdk7780.h> |
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| 13 | |
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| 14 | enum { |
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| 15 | UNUSED = 0, |
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| 16 | /* board specific interrupt sources */ |
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| 17 | SMC91C111, /* Ethernet controller */ |
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| 18 | }; |
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| 19 | |
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| 20 | static struct intc_vect fpga_vectors[] __initdata = { |
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| 21 | INTC_IRQ(SMC91C111, IRQ_ETHERNET), |
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| 22 | }; |
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| 23 | |
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| 24 | static struct intc_mask_reg fpga_mask_registers[] __initdata = { |
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| 25 | { 0, FPGA_IRQ0MR, 16, |
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| 26 | { 0, 0, 0, 0, 0, 0, 0, 0, |
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| 27 | 0, 0, 0, SMC91C111, 0, 0, 0, 0 } }, |
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| 28 | }; |
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| 29 | |
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| 30 | static DECLARE_INTC_DESC(fpga_intc_desc, "sdk7780-irq" , fpga_vectors, |
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| 31 | NULL, fpga_mask_registers, NULL, NULL); |
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| 32 | |
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| 33 | void __init init_sdk7780_IRQ(void) |
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| 34 | { |
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| 35 | printk(KERN_INFO "Using SDK7780 interrupt controller.\n" ); |
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| 36 | |
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| 37 | __raw_writew(val: 0xFFFF, addr: FPGA_IRQ0MR); |
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| 38 | /* Setup IRL 0-3 */ |
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| 39 | __raw_writew(val: 0x0003, addr: FPGA_IMSR); |
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| 40 | plat_irq_setup_pins(IRQ_MODE_IRL3210); |
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| 41 | |
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| 42 | register_intc_controller(&fpga_intc_desc); |
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| 43 | } |
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| 44 | |
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