arch/sh/boards/se/770x/setup.c

   1 /* $Id: setup.c,v 1.1.2.4 2002/03/02 21:57:07 lethal Exp $
   2  *
   3  * linux/arch/sh/boards/se/770x/setup.c
   4  *
   5  * Copyright (C) 2000  Kazumoto Kojima
   6  *
   7  * Hitachi SolutionEngine Support.
   8  *
   9  */
  10
  11 #include <linux/config.h>
  12 #include <linux/init.h>
  13 #include <linux/irq.h>
  14
  15 #include <linux/hdreg.h>
  16 #include <linux/ide.h>
  17 #include <asm/io.h>
  18 #include <asm/se/se.h>
  19 #include <asm/se/smc37c93x.h>
  20
  21 /*
  22  * Configure the Super I/O chip
  23  */
  24 static void __init smsc_config(int index, int data)
  25 {
  26         outb_p(index, INDEX_PORT);
  27         outb_p(data, DATA_PORT);
  28 }
  29
  30 static void __init init_smsc(void)
  31 {
  32         outb_p(CONFIG_ENTER, CONFIG_PORT);
  33         outb_p(CONFIG_ENTER, CONFIG_PORT);
  34
  35         /* FDC */
  36         smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
  37         smsc_config(ACTIVATE_INDEX, 0x01);
  38         smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
  39
  40         /* IDE1 */
  41         smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
  42         smsc_config(ACTIVATE_INDEX, 0x01);
  43         smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
  44
  45         /* AUXIO (GPIO): to use IDE1 */
  46         smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
  47         smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
  48         smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
  49
  50         /* COM1 */
  51         smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
  52         smsc_config(ACTIVATE_INDEX, 0x01);
  53         smsc_config(IO_BASE_HI_INDEX, 0x03);
  54         smsc_config(IO_BASE_LO_INDEX, 0xf8);
  55         smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */
  56
  57         /* COM2 */
  58         smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
  59         smsc_config(ACTIVATE_INDEX, 0x01);
  60         smsc_config(IO_BASE_HI_INDEX, 0x02);
  61         smsc_config(IO_BASE_LO_INDEX, 0xf8);
  62         smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
  63
  64         /* RTC */
  65         smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
  66         smsc_config(ACTIVATE_INDEX, 0x01);
  67         smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
  68
  69         /* XXX: PARPORT, KBD, and MOUSE will come here... */
  70         outb_p(CONFIG_EXIT, CONFIG_PORT);
  71 }
  72
  73 const char *get_system_type(void)
  74 {
  75         return "SolutionEngine";
  76 }
  77
  78 /*
  79  * Initialize the board
  80  */
  81 void __init platform_setup(void)
  82 {
  83         init_smsc();
  84         /* XXX: RTC setting comes here */
  85 }