| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * arch/sh/boards/shmin/setup.c |
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| 4 | * |
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| 5 | * Copyright (C) 2006 Takashi YOSHII |
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| 6 | * |
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| 7 | * SHMIN Support. |
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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 <asm/machvec.h> |
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| 12 | #include <mach/shmin.h> |
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| 13 | #include <asm/clock.h> |
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| 14 | #include <asm/io.h> |
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| 15 | |
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| 16 | #define PFC_PHCR 0xa400010eUL |
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| 17 | #define INTC_ICR1 0xa4000010UL |
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| 18 | |
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| 19 | static void __init init_shmin_irq(void) |
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| 20 | { |
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| 21 | __raw_writew(val: 0x2a00, PFC_PHCR); // IRQ0-3=IRQ |
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| 22 | __raw_writew(val: 0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. |
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| 23 | plat_irq_setup_pins(IRQ_MODE_IRQ); |
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| 24 | } |
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| 25 | |
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| 26 | static void __init shmin_setup(char **cmdline_p) |
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| 27 | { |
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| 28 | __set_io_port_base(SHMIN_IO_BASE); |
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| 29 | } |
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| 30 | |
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| 31 | static struct sh_machine_vector mv_shmin __initmv = { |
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| 32 | .mv_name = "SHMIN" , |
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| 33 | .mv_setup = shmin_setup, |
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| 34 | .mv_init_irq = init_shmin_irq, |
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| 35 | }; |
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| 36 | |
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