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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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
*/
/*
* Generic FAM10 debug code, used by mainboard specific romstage.c
*/
#include "pci.c"
#include <delay.h>
static inline void print_debug_addr(const char *str, void *val)
{
#if CONFIG_DEBUG_CAR
printk(BIOS_DEBUG, "------Address debug: %s%p------\n", str, val);
#endif
}
static void print_debug_pci_dev(u32 dev)
{
#if !CONFIG_PCI_BUS_SEGN_BITS
printk(BIOS_DEBUG, "PCI: %02x:%02x.%02x", (dev>>20) & 0xff, (dev>>15) & 0x1f, (dev>>12) & 0x7);
#else
printk(BIOS_DEBUG, "PCI: %04x:%02x:%02x.%02x", (dev>>28) & 0x0f, (dev>>20) & 0xff, (dev>>15) & 0x1f, (dev>>12) & 0x7);
#endif
}
static inline void print_pci_devices(void)
{
device_t dev;
for(dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0xff, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) {
u32 id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
print_debug_pci_dev(dev);
printk(BIOS_DEBUG, " %04x:%04x\n", (id & 0xffff), (id>>16));
if(((dev>>12) & 0x07) == 0) {
u8 hdr_type;
hdr_type = pci_read_config8(dev, PCI_HEADER_TYPE);
if((hdr_type & 0x80) != 0x80) {
dev += PCI_DEV(0,0,7);
}
}
}
}
static inline void print_pci_devices_on_bus(u32 busn)
{
device_t dev;
for(dev = PCI_DEV(busn, 0, 0);
dev <= PCI_DEV(busn, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) {
u32 id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
print_debug_pci_dev(dev);
printk(BIOS_DEBUG, " %04x:%04x\n", (id & 0xffff), (id>>16));
if(((dev>>12) & 0x07) == 0) {
u8 hdr_type;
hdr_type = pci_read_config8(dev, PCI_HEADER_TYPE);
if((hdr_type & 0x80) != 0x80) {
dev += PCI_DEV(0,0,7);
}
}
}
}
static void dump_pci_device_range(u32 dev, u32 start_reg, u32 size)
{
int i;
print_debug_pci_dev(dev);
int j;
int end = start_reg + size;
for(i = start_reg; i < end; i+=4) {
u32 val;
if ((i & 0x0f) == 0) {
printk(BIOS_DEBUG, "\n%04x:",i);
}
val = pci_read_config32(dev, i);
for(j=0;j<4;j++) {
printk(BIOS_DEBUG, " %02x", val & 0xff);
val >>= 8;
}
}
printk(BIOS_DEBUG, "\n");
}
static void dump_pci_device(u32 dev)
{
dump_pci_device_range(dev, 0, 4096);
}
static void dump_pci_device_index_wait_range(u32 dev, u32 index_reg, u32 start,
u32 size)
{
int i;
int end = start + size;
print_debug_pci_dev(dev);
printk(BIOS_DEBUG, " -- index_reg=%08x", index_reg);
for(i = start; i < end; i++) {
u32 val;
int j;
printk(BIOS_DEBUG, "\n%02x:",i);
val = pci_read_config32_index_wait(dev, index_reg, i);
for(j=0;j<4;j++) {
printk(BIOS_DEBUG, " %02x", val & 0xff);
val >>= 8;
}
}
printk(BIOS_DEBUG, "\n");
}
static inline void dump_pci_device_index_wait(u32 dev, u32 index_reg)
{
dump_pci_device_index_wait_range(dev, index_reg, 0, 0x54);
dump_pci_device_index_wait_range(dev, index_reg, 0x100, 0x08); //DIMM1 when memclk > 400Hz
// dump_pci_device_index_wait_range(dev, index_reg, 0x200, 0x08); //DIMM2
// dump_pci_device_index_wait_range(dev, index_reg, 0x300, 0x08); //DIMM3
}
static inline void dump_pci_device_index(u32 dev, u32 index_reg, u32 type, u32 length)
{
int i;
print_debug_pci_dev(dev);
printk(BIOS_DEBUG, " index reg: %04x type: %02x", index_reg, type);
type<<=28;
for(i = 0; i < length; i++) {
u32 val;
if ((i & 0x0f) == 0) {
printk(BIOS_DEBUG, "\n%02x:",i);
}
val = pci_read_config32_index(dev, index_reg, i|type);
printk(BIOS_DEBUG, " %08x", val);
}
printk(BIOS_DEBUG, "\n");
}
static inline void dump_pci_devices(void)
{
device_t dev;
for(dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0xff, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) {
u32 id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
dump_pci_device(dev);
if(((dev>>12) & 0x07) == 0) {
u8 hdr_type;
hdr_type = pci_read_config8(dev, PCI_HEADER_TYPE);
if((hdr_type & 0x80) != 0x80) {
dev += PCI_DEV(0,0,7);
}
}
}
}
static inline void dump_pci_devices_on_bus(u32 busn)
{
device_t dev;
for(dev = PCI_DEV(busn, 0, 0);
dev <= PCI_DEV(busn, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) {
u32 id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
dump_pci_device(dev);
if(((dev>>12) & 0x07) == 0) {
u8 hdr_type;
hdr_type = pci_read_config8(dev, PCI_HEADER_TYPE);
if((hdr_type & 0x80) != 0x80) {
dev += PCI_DEV(0,0,7);
}
}
}
}
#if CONFIG_DEBUG_SMBUS
static void dump_spd_registers(const struct mem_controller *ctrl)
{
int i;
printk(BIOS_DEBUG, "\n");
for(i = 0; i < DIMM_SOCKETS; i++) {
u32 device;
device = ctrl->spd_addr[i];
if (device) {
int j;
printk(BIOS_DEBUG, "dimm: %02x.0: %02x", i, device);
for(j = 0; j < 128; j++) {
int status;
u8 byte;
if ((j & 0xf) == 0) {
printk(BIOS_DEBUG, "\n%02x: ", j);
}
status = smbus_read_byte(device, j);
if (status < 0) {
break;
}
byte = status & 0xff;
printk(BIOS_DEBUG, "%02x ", byte);
}
printk(BIOS_DEBUG, "\n");
}
device = ctrl->spd_addr[i+DIMM_SOCKETS];
if (device) {
int j;
printk(BIOS_DEBUG, "dimm: %02x.1: %02x", i, device);
for(j = 0; j < 128; j++) {
int status;
u8 byte;
if ((j & 0xf) == 0) {
printk(BIOS_DEBUG, "\n%02x: ", j);
}
status = smbus_read_byte(device, j);
if (status < 0) {
break;
}
byte = status & 0xff;
printk(BIOS_DEBUG, "%02x ", byte);
}
printk(BIOS_DEBUG, "\n");
}
}
}
static void dump_smbus_registers(void)
{
u32 device;
printk(BIOS_DEBUG, "\n");
for(device = 1; device < 0x80; device++) {
int j;
if( smbus_read_byte(device, 0) < 0 ) continue;
printk(BIOS_DEBUG, "smbus: %02x", device);
for(j = 0; j < 256; j++) {
int status;
u8 byte;
status = smbus_read_byte(device, j);
if (status < 0) {
break;
}
if ((j & 0xf) == 0) {
printk(BIOS_DEBUG, "\n%02x: ",j);
}
byte = status & 0xff;
printk(BIOS_DEBUG, "%02x ", byte);
}
printk(BIOS_DEBUG, "\n");
}
}
#endif
static inline void dump_io_resources(u32 port)
{
int i;
udelay(2000);
printk(BIOS_DEBUG, "%04x:\n", port);
for(i=0;i<256;i++) {
u8 val;
if ((i & 0x0f) == 0) {
printk(BIOS_DEBUG, "%02x:", i);
}
val = inb(port);
printk(BIOS_DEBUG, " %02x",val);
if ((i & 0x0f) == 0x0f) {
printk(BIOS_DEBUG, "\n");
}
port++;
}
}
static inline void dump_mem(u32 start, u32 end)
{
u32 i;
printk(BIOS_DEBUG, "dump_mem:");
for(i=start;i<end;i++) {
if((i & 0xf)==0) {
printk(BIOS_DEBUG, "\n%08x:", i);
}
printk(BIOS_DEBUG, " %02x", (u8)*((u8 *)i));
}
printk(BIOS_DEBUG, "\n");
}
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