arch/sh/boards/board-shmin.c

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