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#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include "../../../northbridge/amd/amdk8/northbridge.h"
#include "chip.h"
#if 0
static void fixup_lsi_53c1030(struct device *pdev)
{
// uint8_t byte;
uint16_t word;
byte = 1;
pci_write_config8(pdev, 0xff, byte);
// Set the device id
// pci_write_config_word(pdev, PCI_DEVICE_ID, PCI_DEVICE_ID_LSILOGIC_53C1030);
// Set the subsytem vendor id
// pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_TYAN);
word = 0x10f1;
pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word);
// Set the subsytem id
word = 0x2880;
pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word);
// Disable writes to the device id
byte = 0;
pci_write_config8(pdev, 0xff, byte);
// lsi_scsi_init(pdev);
}
#endif
#if 0
static void print_pci_regs(struct device *dev)
{
uint8_t byte;
int i;
for(i=0;i<256;i++) {
byte = pci_read_config8(dev, i);
if((i%16)==0) printk_debug("\n%02x:",i);
printk_debug(" %02x",byte);
}
printk_debug("\n");
// pci_write_config8(dev, 0x4, byte);
}
#endif
#if 0
static void print_mem(void)
{
unsigned int i;
unsigned int low_1MB = 0xf4107000;
for(i=low_1MB;i<low_1MB+1024;i++) {
if((i%16)==0) printk_debug("\n %08x:",i);
printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
}
#if 0
for(i=low_1MB;i<low_1MB+1024*4;i++) {
if((i%16)==0) printk_debug("\n %08x:",i);
printk_debug(" %c ",(unsigned char)*((unsigned char *)i));
}
#endif
}
#endif
#if 0
static void amd8111_enable_rom(void)
{
uint8_t byte;
struct device *dev;
/* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
/* Locate the amd8111 */
dev = dev_find_device(0x1022, 0x7468, 0);
/* Set the 4MB enable bit bit */
byte = pci_read_config8(dev, 0x43);
byte |= 0x80;
pci_write_config8(dev, 0x43, byte);
}
#endif
#if 0
static void onboard_scsi_fixup(void)
{
struct device *dev;
#if 1
unsigned char i,j,k;
for(i=0;i<=15;i++) {
for(j=0;j<=0x1f;j++) {
for (k=0;k<=6;k++){
dev = dev_find_slot(i, PCI_DEVFN(j, k));
if (dev) {
printk_debug("%02x:%02x:%02x",i,j,k);
print_pci_regs(dev);
}
}
}
}
#endif
#if 0
dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0);
if(!dev) {
printk_info("LSI_SCSI_FW_FIXUP: No Device Found!");
return;
}
lsi_scsi_init(dev);
#endif
// print_mem();
// amd8111_enable_rom();
}
#endif
#if 0
static void vga_fixup(void) {
// we do this right here because:
// - all the hardware is working, and some VGA bioses seem to need
// that
// - we need page 0 below for linuxbios tables.
#if CONFIG_REALMODE_IDT == 1
printk_debug("INSTALL REAL-MODE IDT\n");
setup_realmode_idt();
#endif
#if CONFIG_VGABIOS == 1
printk_debug("DO THE VGA BIOS\n");
do_vgabios(0x0600);
post_code(0x93);
#endif
}
#endif
#if 0
static void
enable(struct chip *chip, enum chip_pass pass)
{
struct mainboard_tyan_s2895_config *conf =
(struct mainboard_tyan_s2895_config *)chip->chip_info;
switch (pass) {
default: break;
// case CONF_PASS_PRE_CONSOLE:
// case CONF_PASS_PRE_PCI:
// case CONF_PASS_POST_PCI:
case CONF_PASS_PRE_BOOT:
// if (conf->fixup_scsi)
// onboard_scsi_fixup();
// if (conf->fixup_vga)
// vga_fixup();
printk_debug("mainboard fixup pass %d done\r\n",
pass);
break;
}
}
#endif
#undef DEBUG
#define DEBUG 0
#if DEBUG
static void debug_init(device_t dev)
{
unsigned bus;
unsigned devfn;
#if 0
for(bus = 0; bus < 256; bus++) {
for(devfn = 0; devfn < 256; devfn++) {
int i;
dev = dev_find_slot(bus, devfn);
if (!dev) {
continue;
}
if (!dev->enabled) {
continue;
}
printk_info("%02x:%02x.%0x aka %s\n",
bus, devfn >> 3, devfn & 7, dev_path(dev));
for(i = 0; i < 256; i++) {
if ((i & 0x0f) == 0) {
printk_info("%02x:", i);
}
printk_info(" %02x", pci_read_config8(dev, i));
if ((i & 0x0f) == 0xf) {
printk_info("\n");
}
}
printk_info("\n");
}
}
#endif
#if 0
msr_t msr;
unsigned index;
unsigned eax, ebx, ecx, edx;
index = 0x80000007;
printk_debug("calling cpuid 0x%08x\n", index);
asm volatile(
"cpuid"
: "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
: "a" (index)
);
printk_debug("cpuid[%08x]: %08x %08x %08x %08x\n",
index, eax, ebx, ecx, edx);
if (edx & (3 << 1)) {
index = 0xC0010042;
printk_debug("Reading msr: 0x%08x\n", index);
msr = rdmsr(index);
printk_debug("msr[0x%08x]: 0x%08x%08x\n",
index, msr.hi, msr.hi);
}
#endif
}
static void debug_noop(device_t dummy)
{
}
static struct device_operations debug_operations = {
.read_resources = debug_noop,
.set_resources = debug_noop,
.enable_resources = debug_noop,
.init = debug_init,
};
static unsigned int scan_root_bus(device_t root, unsigned int max)
{
struct device_path path;
device_t debug;
max = root_dev_scan_bus(root, max);
path.type = DEVICE_PATH_PNP;
path.u.pnp.port = 0;
path.u.pnp.device = 0;
debug = alloc_dev(&root->link[1], &path);
debug->ops = &debug_operations;
return max;
}
#endif
static void mainboard_init(device_t dev)
{
root_dev_init(dev);
// do_verify_cpu_voltages();
}
static struct device_operations mainboard_operations = {
.read_resources = root_dev_read_resources,
.set_resources = root_dev_set_resources,
.enable_resources = root_dev_enable_resources,
.init = mainboard_init,
#if !DEBUG
.scan_bus = root_dev_scan_bus,
#else
.scan_bus = scan_root_bus,
#endif
.enable = 0,
};
static void enable_dev(struct device *dev)
{
dev_root.ops = &mainboard_operations;
}
struct chip_operations mainboard_tyan_s2875_ops = {
.name = "Tyan s2875 mainboard ",
.enable_dev = enable_dev,
};
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