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85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
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/* $Id: setup.c,v 1.1.2.4 2002/03/02 21:57:07 lethal Exp $
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*
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* linux/arch/sh/boards/se/770x/setup.c
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*
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* Copyright (C) 2000 Kazumoto Kojima
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*
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* Hitachi SolutionEngine Support.
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*
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*/
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/hdreg.h>
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#include <linux/ide.h>
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#include <asm/io.h>
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#include <asm/se/se.h>
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#include <asm/se/smc37c93x.h>
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/*
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* Configure the Super I/O chip
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*/
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static void __init smsc_config(int index, int data)
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{
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outb_p(index, INDEX_PORT);
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outb_p(data, DATA_PORT);
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}
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static void __init init_smsc(void)
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{
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outb_p(CONFIG_ENTER, CONFIG_PORT);
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outb_p(CONFIG_ENTER, CONFIG_PORT);
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/* FDC */
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smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
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smsc_config(ACTIVATE_INDEX, 0x01);
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smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
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/* IDE1 */
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smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
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smsc_config(ACTIVATE_INDEX, 0x01);
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smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
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/* AUXIO (GPIO): to use IDE1 */
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smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
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smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
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smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
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/* COM1 */
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smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
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smsc_config(ACTIVATE_INDEX, 0x01);
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smsc_config(IO_BASE_HI_INDEX, 0x03);
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smsc_config(IO_BASE_LO_INDEX, 0xf8);
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smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */
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/* COM2 */
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smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
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smsc_config(ACTIVATE_INDEX, 0x01);
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smsc_config(IO_BASE_HI_INDEX, 0x02);
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smsc_config(IO_BASE_LO_INDEX, 0xf8);
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smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
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/* RTC */
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smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
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smsc_config(ACTIVATE_INDEX, 0x01);
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smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
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/* XXX: PARPORT, KBD, and MOUSE will come here... */
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outb_p(CONFIG_EXIT, CONFIG_PORT);
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}
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const char *get_system_type(void)
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{
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return "SolutionEngine";
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}
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/*
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* Initialize the board
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*/
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void __init platform_setup(void)
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{
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init_smsc();
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/* XXX: RTC setting comes here */
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}
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