xref: /OK3568_Linux_fs/kernel/arch/sh/boards/board-shmin.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * arch/sh/boards/shmin/setup.c
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2006 Takashi YOSHII
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * SHMIN Support.
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun #include <linux/init.h>
10*4882a593Smuzhiyun #include <linux/irq.h>
11*4882a593Smuzhiyun #include <asm/machvec.h>
12*4882a593Smuzhiyun #include <mach/shmin.h>
13*4882a593Smuzhiyun #include <asm/clock.h>
14*4882a593Smuzhiyun #include <asm/io.h>
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #define PFC_PHCR	0xa400010eUL
17*4882a593Smuzhiyun #define INTC_ICR1	0xa4000010UL
18*4882a593Smuzhiyun 
init_shmin_irq(void)19*4882a593Smuzhiyun static void __init init_shmin_irq(void)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	__raw_writew(0x2a00, PFC_PHCR);	// IRQ0-3=IRQ
22*4882a593Smuzhiyun 	__raw_writew(0x0aaa, INTC_ICR1);	// IRQ0-3=IRQ-mode,Low-active.
23*4882a593Smuzhiyun 	plat_irq_setup_pins(IRQ_MODE_IRQ);
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun 
shmin_setup(char ** cmdline_p)26*4882a593Smuzhiyun static void __init shmin_setup(char **cmdline_p)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun 	__set_io_port_base(SHMIN_IO_BASE);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun static struct sh_machine_vector mv_shmin __initmv = {
32*4882a593Smuzhiyun 	.mv_name	= "SHMIN",
33*4882a593Smuzhiyun 	.mv_setup	= shmin_setup,
34*4882a593Smuzhiyun 	.mv_init_irq	= init_shmin_irq,
35*4882a593Smuzhiyun };
36