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/* $Id: setup_se.c,v 1.6 2000/05/14 08:41:25 gniibe Exp $
*
* linux/arch/sh/kernel/setup_se.c
*
* Copyright (C) 2000 Kazumoto Kojima
*
* Hitachi SolutionEngine Support.
*
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/hdreg.h>
#include <linux/ide.h>
#include <asm/io.h>
#include <asm/hitachi_se.h>
#include <asm/smc37c93x.h>
/*
* Configure the Super I/O chip
*/
static void __init smsc_config(int index, int data)
{
outb_p(index, INDEX_PORT);
outb_p(data, DATA_PORT);
}
static void __init init_smsc(void)
{
outb_p(CONFIG_ENTER, CONFIG_PORT);
outb_p(CONFIG_ENTER, CONFIG_PORT);
/* FDC */
smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
/* IDE1 */
smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
/* AUXIO (GPIO): to use IDE1 */
smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
/* COM1 */
smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IO_BASE_HI_INDEX, 0x03);
smsc_config(IO_BASE_LO_INDEX, 0xf8);
smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
/* RTC */
smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
smsc_config(ACTIVATE_INDEX, 0x01);
smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
/* XXX: COM2, PARPORT, KBD, and MOUSE will come here... */
outb_p(CONFIG_EXIT, CONFIG_PORT);
}
/*
* Initialize IRQ setting
*/
static void __init init_se_IRQ(void)
{
int i;
/*
* Super I/O (Just mimic PC):
* 1: keyboard
* 3: serial 0
* 4: serial 1
* 5: printer
* 6: floppy
* 8: rtc
* 12: mouse
* 14: ide0
*/
set_ipr_data(14, BCR_ILCRA, 2, 0x0f-14);
set_ipr_data(12, BCR_ILCRA, 1, 0x0f-12);
set_ipr_data( 8, BCR_ILCRB, 1, 0x0f- 8);
set_ipr_data( 6, BCR_ILCRC, 3, 0x0f- 6);
set_ipr_data( 5, BCR_ILCRC, 2, 0x0f- 5);
set_ipr_data( 4, BCR_ILCRC, 1, 0x0f- 4);
set_ipr_data( 3, BCR_ILCRC, 0, 0x0f- 3);
set_ipr_data( 1, BCR_ILCRD, 3, 0x0f- 1);
set_ipr_data(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
set_ipr_data( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
set_ipr_data(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
set_ipr_data( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
set_ipr_data( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */
/* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
/* NOTE: #2 and #13 are not used on PC */
set_ipr_data(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
set_ipr_data( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
for (i = 0; i < 15; i++) {
make_ipr_irq(i);
}
}
/*
* Initialize the board
*/
int __init setup_se(void)
{
init_se_IRQ();
init_smsc();
/* XXX: RTC setting comes here */
printk(KERN_INFO "Hitach SolutionEngine Setup...done\n");
return 0;
}
module_init(setup_se);
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