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/* Copyright 2000 AG Electronics Ltd. */
/* This code is distributed without warranty under the GPL v2 (see COPYING) */
#include <arch/io.h>
#include <console/console.h>
#include "chip.h"
void pnp_output(char address, char data)
{
outb(address, PNP_CFGADDR);
outb(data, PNP_CFGDATA);
}
void sio_enable(struct chip *chip, enum chip_pass pass)
{
unsigned char reg;
switch (pass) {
case CONF_PASS_PRE_PCI:
printk_info("Configuring PC97307...\n");
/* Enable keyboard */
pnp_output(0x07, 0x00);
pnp_output(0x30, 0x00); /* Disable keyboard */
pnp_output(0xf0, 0x40); /* Set KBC clock to 8 Mhz */
pnp_output(0x30, 0x01); /* Enable keyboard */
/* Enable mouse */
pnp_output(0x07, 0x01);
pnp_output(0x30, 0x01);
/* Enable rtc */
pnp_output(0x07, 0x02);
pnp_output(0x30, 0x01);
/* Enable fdc */
pnp_output(0x07, 0x03);
pnp_output(0x30, 0x01);
/* Enable parallel port */
pnp_output(0x07, 0x04);
pnp_output(0x30, 0x01);
/* Set up floppy in PS/2 mode */
outb(0x09, SIO_CONFIG_RA);
reg = inb(SIO_CONFIG_RD);
reg = (reg & 0x3F) | 0x40;
outb(reg, SIO_CONFIG_RD);
outb(reg, SIO_CONFIG_RD); /* Have to write twice to change! */
break;
default:
/* nothing yet */
break;
}
}
struct chip_control superio_NSC_pc97307_control = {
enable: sio_enable,
name: "NSC 97307"
};
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