placeholder crap for sio

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@928 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2003-06-30 17:23:35 +00:00
parent 776fce9449
commit 6a3a3e5c98
1 changed files with 45 additions and 0 deletions

View File

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/* $Id$ */
/* Copyright 2000 AG Electronics Ltd. */
/* This code is distributed without warranty under the GPL v2 (see COPYING) */
#include <types.h>
#include <arch/io.h>
#ifndef PNP_INDEX_REG
#define PNP_INDEX_REG 0x15C
#endif
#ifndef PNP_DATA_REG
#define PNP_DATA_REG 0x15D
#endif
#ifndef SIO_COM1
#define SIO_COM1_BASE 0x3F8
#endif
#ifndef SIO_COM2
#define SIO_COM2_BASE 0x2F8
#endif
static
void pnp_output(char address, char data)
{
outb(address, PNP_INDEX_REG);
outb(data, PNP_DATA_REG);
}
static
void sio_enable(void)
{
/* Enable Super IO Chip */
pnp_output(0x07, 6); /* LD 6 = UART1 */
pnp_output(0x30, 0); /* Dectivate */
pnp_output(0x60, SIO_COM1_BASE >> 8); /* IO Base */
pnp_output(0x61, SIO_COM1_BASE & 0xFF); /* IO Base */
pnp_output(0x30, 1); /* Activate */
}
struct superio_control superio_NSC_pc87360_control = {
pre_pci_init: (void *)0,
init: (void *)0,
finishup: (void *)0,
defaultport: SIO_COM1_BASE,
name: "NSC pc87360"
};