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Yes.
R.
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Rudolf Marek <[EMAIL PROTECTED]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License v2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <console/console.h>
static void smth_enable(struct device *dev) {
// print_err("B188 device dump\n");
writeback(dev, 0x40, 0x91);
writeback(dev, 0x41, 0x40);
writeback(dev, 0x43, 0x44);
writeback(dev, 0x44, 0x31);
writeback(dev, 0x45, 0x3a);
writeback(dev, 0x46, 0x88);
writeback(dev, 0x47, 0xb1);
writeback(dev, 0x3e, 0x16); //bridge control????
dump_south(dev);
}
static struct device_operations smth_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.enable = smth_enable,
.scan_bus = pci_scan_bridge,
.reset_bus = pci_bus_reset,
.ops_pci = 0,
};
static struct pci_driver northbridge_driver __pci_driver = {
.ops = &smth_ops,
.vendor = PCI_VENDOR_ID_VIA,
.device = 0xb188,
};
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <pc80/keyboard.h>
//#include <cpu/x86/msr.h>
//#include <cpu/amd/mtrr.h>
#include "vt8237r.h"
#include "chip.h"
/* Priority: HIGH */
/* Lots to do in here. Gut out any serial support, since vt8237 doesn't do it.
* Empty or comment out anything magnus doesn't need, I'll do it later */
/* Low priority:
* Fix hard_reset()
* Finish that stuff I commented out earlier */
/*
* Datasheets: http://www.via.com.tw/en/downloads/datasheets/chipsets/
* VT8237R_SouthBridge_Revision2.06_Lead-Free.zip
*/
/* PCI IDs need to be fixed up, I've just replaced all the numbers for now */
static int enabled = 0;
// void peg_init(struct device *dev);
void hard_reset(void)
{
printk_err("NO HARD RESET ON VT8237R! FIX ME!\n");
}
void writeback(struct device *dev, int where, int what) {
unsigned char regval;
pci_write_config8(dev, where, what);
regval = pci_read_config8(dev, where);
if (regval != what) {
print_err("Writeback to ");
print_err_hex8(where);
print_err("failed ");
print_err_hex8(regval);
print_err("\n ");
}
}
void dump_south(device_t dev0)
{
int i,j;
for(i = 0; i < 256; i += 16) {
printk_debug("%02x: ", i);
for(j = 0; j < 16; j++) {
printk_debug("%02x ", pci_read_config8(dev0, i+j));
}
printk_debug("\n");
}
}
void set_led()
{
// set power led to steady now that lxbios has virtually done its job
//device_t dev;
//dev = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, 0);
//pci_write_config8(dev, 0x94, 0xb0);
}
static void vt8237r_enable(struct device *dev)
{
struct southbridge_via_vt8237r_config *conf = dev->chip_info;
unsigned char regval;
unsigned short vendor,model;
int i;
device_t dev0;
vendor = pci_read_config16(dev,0);
model = pci_read_config16(dev,0x2);
printk_debug("In vt8237r_enable %04x %04x.\n",vendor,model);
/* FIXME DISABLE USB Device Mode, Internal LAN Controller */
// regval = pci_read_config8(dev, 0x51);
// regval &= ~0x8;
pci_write_config8(dev, 0x51, 0x8d);
}
struct chip_operations southbridge_via_vt8237r_ops = {
CHIP_NAME("VIA VT8237R Southbridge")
.enable_dev = vt8237r_enable,
};
--
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