Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 2 | /* |
| 3 | * arch/sh/boards/shmin/setup.c |
| 4 | * |
| 5 | * Copyright (C) 2006 Takashi YOSHII |
| 6 | * |
| 7 | * SHMIN Support. |
| 8 | */ |
| 9 | #include <linux/init.h> |
Magnus Damm | 68abdbb | 2007-06-15 18:56:19 +0900 | [diff] [blame] | 10 | #include <linux/irq.h> |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 11 | #include <asm/machvec.h> |
Paul Mundt | 7639a45 | 2008-10-20 13:02:48 +0900 | [diff] [blame] | 12 | #include <mach/shmin.h> |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 13 | #include <asm/clock.h> |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 14 | #include <asm/io.h> |
| 15 | |
Takashi YOSHII | f725b5e | 2006-12-25 18:35:24 +0900 | [diff] [blame] | 16 | #define PFC_PHCR 0xa400010eUL |
Nobuhiro Iwamatsu | dbbfa2d | 2007-02-07 13:54:39 +0900 | [diff] [blame] | 17 | #define INTC_ICR1 0xa4000010UL |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 18 | |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 19 | static void __init init_shmin_irq(void) |
| 20 | { |
Paul Mundt | 9d56dd3 | 2010-01-26 12:58:40 +0900 | [diff] [blame] | 21 | __raw_writew(0x2a00, PFC_PHCR); // IRQ0-3=IRQ |
| 22 | __raw_writew(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. |
Magnus Damm | 2635e85 | 2007-08-03 14:24:29 +0900 | [diff] [blame] | 23 | plat_irq_setup_pins(IRQ_MODE_IRQ); |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 24 | } |
| 25 | |
Paul Mundt | 98a955d | 2008-12-17 12:42:20 +0900 | [diff] [blame] | 26 | static void __init shmin_setup(char **cmdline_p) |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 27 | { |
Paul Mundt | 98a955d | 2008-12-17 12:42:20 +0900 | [diff] [blame] | 28 | __set_io_port_base(SHMIN_IO_BASE); |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 29 | } |
| 30 | |
Paul Mundt | 82f81f4 | 2007-05-15 15:19:34 +0900 | [diff] [blame] | 31 | static struct sh_machine_vector mv_shmin __initmv = { |
Paul Mundt | 2c7834a | 2006-09-27 18:17:31 +0900 | [diff] [blame] | 32 | .mv_name = "SHMIN", |
Paul Mundt | 98a955d | 2008-12-17 12:42:20 +0900 | [diff] [blame] | 33 | .mv_setup = shmin_setup, |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 34 | .mv_init_irq = init_shmin_irq, |
Takashi YOSHII | 51e22e7 | 2006-09-27 17:41:31 +0900 | [diff] [blame] | 35 | }; |