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#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <pc80/mc146818rtc.h>
#include <pc80/keyboard.h>
#include "chip.h"
/* Base 8231 controller */
static device_t lpc_dev;
void hard_reset(void)
{
printk(BIOS_ERR, "NO HARD RESET ON VT8231! FIX ME!\n");
}
static void keyboard_on(void)
{
unsigned char regval;
if (lpc_dev) {
regval = pci_read_config8(lpc_dev, 0x51);
regval |= 0x0f;
pci_write_config8(lpc_dev, 0x51, regval);
}
pc_keyboard_init(0);
}
static void com_port_on(void)
{
#if 0
// enable com1 and com2.
enables = pci_read_config8(dev, 0x6e);
/* 0x80 is enable com port b, 0x10 is to make it com2, 0x8
* is enable com port a as com1 kevinh/Ispiri - Old code
* thought 0x01 would make it com1, that was wrong enables =
* 0x80 | 0x10 | 0x8 ; pci_write_config8(dev, 0x6e,
* enables); // note: this is also a redo of some port of
* assembly, but we want everything up.
*/
/* set com1 to 115 kbaud not clear how to do this yet.
* forget it; done in assembly.
*/
#endif
}
/* FixME: to be removed ? */
static void vt8231_enable(struct device *dev)
{
struct southbridge_via_vt8231_config *conf = dev->chip_info;
if (!lpc_dev) {
/* the first time called, enable devices not on PCI bus
* FIXME: is that device struct there yet? */
lpc_dev = dev_find_device(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_8231, 0);
if (conf->enable_keyboard)
keyboard_on();
if (conf->enable_com_ports)
com_port_on();
}
}
struct chip_operations southbridge_via_vt8231_ops = {
CHIP_NAME("VIA VT8231 Southbridge")
.enable_dev = vt8231_enable,
};
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