arch/sh/boards/board-shmin.c

   1 // SPDX-License-Identifier: GPL-2.0
   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>
  10 #include <linux/irq.h>
  11 #include <asm/machvec.h>
  12 #include <mach/shmin.h>
  13 #include <asm/clock.h>
  14 #include <asm/io.h>
  15
  16 #define PFC_PHCR        0xa400010eUL
  17 #define INTC_ICR1       0xa4000010UL
  18
  19 static void __init init_shmin_irq(void)
  20 {
  21         __raw_writew(0x2a00, PFC_PHCR); // IRQ0-3=IRQ
  22         __raw_writew(0x0aaa, INTC_ICR1);        // IRQ0-3=IRQ-mode,Low-active.
  23         plat_irq_setup_pins(IRQ_MODE_IRQ);
  24 }
  25
  26 static void __init shmin_setup(char **cmdline_p)
  27 {
  28         __set_io_port_base(SHMIN_IO_BASE);
  29 }
  30
  31 static struct sh_machine_vector mv_shmin __initmv = {
  32         .mv_name        = "SHMIN",
  33         .mv_setup       = shmin_setup,
  34         .mv_init_irq    = init_shmin_irq,
  35 };