static void bootblock_southbridge_init(void)
{
pci_devfn_t dev;
/* don't walk other busses, HT is not enabled */
/* ROM decode last 8MB FF800000 - FFFFFFFF on VT8237S/VT8237A */
/* ROM decode last 4MB FFC00000 - FFFFFFFF on VT8237R */
/* Power management controller */
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
if (dev != PCI_DEV_INVALID)
goto found;
/* Power management controller */
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237S_LPC), 0);
if (dev != PCI_DEV_INVALID)
goto found;
/* Power management controller */
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237A_LPC), 0);
if (dev == PCI_DEV_INVALID)
return;
found:
pci_write_config8(dev, 0x41, 0x7f);
}
static void bcm5785_enable_wdt_port_cf9(void)
{
pci_devfn_t dev;
uint32_t dword;
uint32_t dword_old;
dev = pci_locate_device(PCI_ID(0x1166, 0x0205), 0);
dword_old = pci_read_config32(dev, 0x4c);
dword = dword_old | (1<<4); //enable Timer Func
if (dword != dword_old ) {
pci_write_config32(dev, 0x4c, dword);
}
dword_old = pci_read_config32(dev, 0x6c);
dword = dword_old | (1<<9); //unhide Timer Func in pci space
if (dword != dword_old ) {
pci_write_config32(dev, 0x6c, dword);
}
dev = pci_locate_device(PCI_ID(0x1166, 0x0238), 0);
/* enable cf9 */
pci_write_config8(dev, 0x40, (1<<2));
}
static void enable_smbus(void)
{
device_t dev;
unsigned char c;
/* Power management controller */
dev = pci_locate_device(PCI_ID(0x1106, 0x8235), 0);
if (dev == PCI_DEV_INVALID) {
die("SMBUS controller not found\n");
}
// set IO base address to SMBUS_IO_BASE
pci_write_config32(dev, 0x90, SMBUS_IO_BASE | 1);
// Enable SMBus
c = pci_read_config8(dev, 0xd2);
c |= 5;
pci_write_config8(dev, 0xd2, c);
/* make it work for I/O ...
*/
dev = pci_locate_device(PCI_ID(0x1106, 0x8231), 0);
c = pci_read_config8(dev, 4);
c |= 1;
pci_write_config8(dev, 4, c);
print_debug_hex8(c);
print_debug(" is the comm register\n");
print_debug("SMBus controller enabled\n");
}
static void enable_mainboard_devices(void)
{
device_t dev;
/* dev 0 for southbridge */
dev = pci_locate_device(PCI_ID(0x1106,0x8231), 0);
if (dev == PCI_DEV_INVALID)
die("Southbridge not found!!!\n");
pci_write_config8(dev, 0x50, 7);
pci_write_config8(dev, 0x51, 0xff);
#if 0
// This early setup switches IDE into compatibility mode before PCI gets
// a chance to assign I/Os
// movl $CONFIG_ADDR(0, 0x89, 0x42), %eax
// movb $0x09, %dl
// movb $0x00, %dl
// PCI_WRITE_CONFIG_BYTE
//
#endif
/* we do this here as in V2, we can not yet do raw operations
* to pci!
*/
/* changed this to work correctly on later revisions of LB.
* The original dev += 0x100; stopped working. It also appears
* that if this is not set here, but in ide_init() only, the IDE
* does not work at all. I assume it needs to be set before something else,
* possibly before enabling the IDE peripheral, or it is a timing issue.
* Ben Hewson 29 Apr 2007.
*/
dev = pci_locate_device(PCI_ID(0x1106,0x0571), 0);
pci_write_config8(dev, 0x42, 0);
}
static void enable_mainboard_devices(void)
{
device_t dev;
dev = pci_locate_device(PCI_ID(0x1106, 0x8324), 0);
if (dev == PCI_DEV_INVALID) {
die("LPC bridge not found!!!\n");
}
// Disable GP3
pci_write_config8(dev, 0x98, 0x00);
// Disable mc97
pci_write_config8(dev, 0x50, 0x80);
// Disable internal KBC Configuration
pci_write_config8(dev, 0x51, 0x2d);
pci_write_config8(dev, 0x58, 0x42);
pci_write_config8(dev, 0x59, 0x80);
pci_write_config8(dev, 0x5b, 0x01);
// Enable P2P Bridge Header for External PCI BUS.
dev = pci_locate_device(PCI_ID(0x1106, 0x324e), 0);
if (dev == PCI_DEV_INVALID) {
die("P2P bridge not found!!!\n");
}
pci_write_config8(dev, 0x4f, 0x41);
// Switch SATA to non-RAID mode
dev = pci_locate_device(PCI_ID(0x1106, 0x0581), 0);
if (dev != PCI_DEV_INVALID) {
pci_write_config16(dev, 0xBA, 0x5324);
}
}
static void mcp55_enable_rom(void)
{
u8 byte;
u16 word;
device_t addr;
/* Enable 4MB ROM access at 0xFFC00000 - 0xFFFFFFFF. */
#if 0
/* Default MCP55 LPC single */
addr = pci_locate_device(PCI_ID(0x10de, 0x0367), 0);
#else
// addr = pci_locate_device(PCI_ID(0x10de, 0x0360), 0);
addr = PCI_DEV(0, (MCP55_DEVN_BASE + 1), 0);
#endif
/* Set the 15MB enable bits. */
byte = pci_read_config8(addr, 0x88);
byte |= 0xff; /* 256K */
pci_write_config8(addr, 0x88, byte);
byte = pci_read_config8(addr, 0x8c);
byte |= 0xff; /* 1M */
pci_write_config8(addr, 0x8c, byte);
word = pci_read_config16(addr, 0x90);
word |= 0x7fff; /* 15M */
pci_write_config16(addr, 0x90, word);
}
static void enable_mainboard_devices(void)
{
device_t dev;
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
if (dev == PCI_DEV_INVALID)
die("Southbridge not found!!!\n");
/* bit=0 means enable function (per CX700 datasheet)
* 5 16.1 USB 2
* 4 16.0 USB 1
* 3 15.0 SATA and PATA
* 2 16.2 USB 3
* 1 16.4 USB EHCI
*/
pci_write_config8(dev, 0x50, 0x80);
/* bit=1 means enable internal function (per CX700 datasheet)
* 3 Internal RTC
* 2 Internal PS2 Mouse
* 1 Internal KBC Configuration
* 0 Internal Keyboard Controller
*/
pci_write_config8(dev, 0x51, 0x1d);
}
static void mch_reset(void)
{
device_t dev;
unsigned long value, base;
dev = pci_locate_device_on_bus(PCI_ID(0x8086, 0x24d0), 0);
if (dev != PCI_DEV_INVALID) {
/* I/O space is always enables */
/* Set gpio base */
pci_write_config32(dev, 0x58, ICH5_GPIOBASE | 1);
base = ICH5_GPIOBASE;
/* Enable GPIO Bar */
value = pci_read_config32(dev, 0x5c);
value |= 0x10;
pci_write_config32(dev, 0x5c, value);
/* Set GPIO 19 mux to IO usage */
value = inl(base);
value |= (1 <<19);
outl(value, base);
/* Pull GPIO 19 low */
value = inl(base + 0x0c);
value &= ~(1 << 19);
outl(value, base + 0x0c);
}
return;
}
static void enable_mainboard_devices(void)
{
device_t dev;
u8 reg;
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
if (dev == PCI_DEV_INVALID)
die("Southbridge not found!!!\n");
/* bit=0 means enable function (per VT8237R datasheet)
* 7 17.6 MC97
* 6 17.5 AC97
* 5 16.1 USB 2
* 4 16.0 USB 1
* 3 15.0 SATA and PATA
* 2 16.2 USB 3
* 1 16.4 USB EHCI
*/
pci_write_config8(dev, 0x50, 0xC0);
/*bit=0 means enable internal function (per VT8237R datasheet)
* 7 USB Device Mode
*bit=1 means enable internal function (per VT8237R datasheet)
* 6 Reserved
* 5 LAN Controller Clock Gating
* 4 LAN Controller
* 3 Internal RTC
* 2 Internal PS2 Mouse
* 1 Internal KBC Configuration
* 0 Internal Keyboard Controller
*/
pci_write_config8(dev, 0x51, 0x9d);
}
static void disable_esb6300_watchdog(void)
{
/* FIXME move me somewhere more appropriate */
device_t dev;
unsigned long value, base;
dev = pci_locate_device(PCI_ID(0x8086, 0x25a1), 0);
if (dev == PCI_DEV_INVALID) {
die("Missing 6300ESB?");
}
/* Enable I/O space */
value = pci_read_config16(dev, 0x04);
value |= (1 << 10);
pci_write_config16(dev, 0x04, value);
/* Set and enable acpibase */
pci_write_config32(dev, 0x40, ICH5_WDBASE | 1);
pci_write_config8(dev, 0x44, 0x10);
base = ICH5_WDBASE + 0x60;
/* Set bit 11 in TCO1_CNT */
value = inw(base + 0x08);
value |= 1 << 11;
outw(value, base + 0x08);
/* Clear TCO timeout status */
outw(0x0008, base + 0x04);
outw(0x0002, base + 0x06);
}
/*
* Enable 4MB (LPC) ROM access at 0xFFC00000 - 0xFFFFFFFF.
*
* Hardware should enable LPC ROM by pin straps. This function does not
* handle the theoretically possible PCI ROM, FWH, or SPI ROM configurations.
*
* The SB600 power-on default is to map 256K ROM space.
*
* Details: AMD SB600 BIOS Developer's Guide (BDG), page 15.
*/
static void sb600_enable_rom(void)
{
u8 reg8;
pci_devfn_t dev;
dev = pci_io_locate_device(PCI_ID(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_SB600_LPC), 0);
/* Decode variable LPC ROM address ranges 1 and 2. */
reg8 = pci_io_read_config8(dev, 0x48);
reg8 |= (1 << 3) | (1 << 4);
pci_io_write_config8(dev, 0x48, reg8);
/* LPC ROM address range 1: */
/* Enable LPC ROM range mirroring start at 0x000e(0000). */
pci_io_write_config16(dev, 0x68, 0x000e);
/* Enable LPC ROM range mirroring end at 0x000f(ffff). */
pci_io_write_config16(dev, 0x6a, 0x000f);
/* LPC ROM address range 2: */
/*
* Enable LPC ROM range start at:
* 0xfff8(0000): 512KB
* 0xfff0(0000): 1MB
* 0xffe0(0000): 2MB
* 0xffc0(0000): 4MB
*/
pci_io_write_config16(dev, 0x6c, 0x10000 - (CONFIG_COREBOOT_ROMSIZE_KB >> 6)); /* 4 MB */
/* Enable LPC ROM range end at 0xffff(ffff). */
pci_io_write_config16(dev, 0x6e, 0xffff);
}
void enable_smbus(void)
{
pci_devfn_t dev;
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX855_LPC), 0);
if (dev == PCI_DEV_INVALID) {
/* This won't display text if enable_smbus() is before serial init */
die("Power Managment Controller not found\n");
}
/* Set clock source */
pci_write_config8(dev, 0x94, 0x20);
/* Write SMBus IO base to 0xd0, and enable SMBus */
pci_write_config16(dev, 0xd0, SMBUS_IO_BASE | 1);
/* Set to Award value */
pci_write_config8(dev, 0xd2, 0x05);
/* Make it work for I/O ... */
pci_write_config16(dev, 0x04, 0x0003);
smbus_reset();
/* clear host data port */
outb(0x00, SMBHSTDAT0);
SMBUS_DELAY();
smbus_wait_until_ready();
}
/* RPR 2.28: Get SB ASIC Revision. */
static u8 set_sb700_revision(void)
{
pci_devfn_t dev;
u8 rev_id, enable_14Mhz, byte;
u8 rev = 0;
/* if (rev != 0) return rev; */
dev = pci_locate_device(PCI_ID(0x1002, 0x4385), 0);
if (dev == PCI_DEV_INVALID) {
die("SMBUS controller not found\n");
/* NOT REACHED */
}
rev_id = pci_read_config8(dev, 0x08);
if (rev_id == 0x39) {
enable_14Mhz = (pmio_read(0x53) >> 6) & 1;
if (enable_14Mhz == 0x0)
rev = 0x11; /* A11 */
else if (enable_14Mhz == 0x1) {
/* This happens, if does, only once. So later if we need to get
* the revision ID, we don't have to make such a big function.
* We just get reg 0x8 in smbus dev. 0x39 is A11, 0x3A is A12. */
rev = 0x12;
byte = pci_read_config8(dev, 0x40);
byte |= 1 << 0;
pci_write_config8(dev, 0x40, byte);
pci_write_config8(dev, 0x08, 0x3A); /* Change 0x39 to 0x3A. */
byte &= ~(1 << 0);
pci_write_config8(dev, 0x40, byte);
}
} else if (rev_id == 0x3A) { /* A12 will be 0x3A after BIOS is initialized */
static void enable_mainboard_devices(void)
{
device_t dev;
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_8235), 0);
if (dev == PCI_DEV_INVALID) {
die("Southbridge not found!!!\n");
}
pci_write_config8(dev, 0x50, 0x80);
pci_write_config8(dev, 0x51, 0x1f);
#if 0
// This early setup switches IDE into compatibility mode before PCI gets
// a chance to assign I/Os
// movl $CONFIG_ADDR(0, 0x89, 0x42), %eax
// // movb $0x09, %dl
// movb $0x00, %dl
// PCI_WRITE_CONFIG_BYTE
#endif
/* we do this here as in V2, we can not yet do raw operations
* to pci!
*/
dev += 0x100; /* ICKY */
pci_write_config8(dev, 0x04, 7);
pci_write_config8(dev, 0x40, 3);
pci_write_config8(dev, 0x42, 0);
pci_write_config8(dev, 0x3c, 0xe);
pci_write_config8(dev, 0x3d, 0);
}
static void bcm5785_enable_msg(void)
{
pci_devfn_t dev;
uint32_t dword;
uint32_t dword_old;
uint8_t byte;
dev = pci_locate_device(PCI_ID(0x1166, 0x0205), 0);
byte = pci_read_config8(dev, 0x42);
byte = (1<<1); //enable a20
pci_write_config8(dev, 0x42, byte);
dword_old = pci_read_config32(dev, 0x6c);
// bit 5: enable A20 Message
// bit 4: enable interrupt messages
// bit 3: enable reset init message
// bit 2: enable keyboard init message
// bit 1: enable upsteam messages
// bit 0: enable shutdowm message to init generation
dword = dword_old | (1<<5) | (1<<3) | (1<<2) | (1<<1) | (1<<0); // bit 1 and bit 4 must be set, otherwise interrupt msg will not be delivered to the processor
if (dword != dword_old ) {
pci_write_config32(dev, 0x6c, dword);
}
}
/* what is its usage? */
static u32 get_sbdn(u32 bus)
{
device_t dev;
/* Find the device. */
dev = pci_locate_device_on_bus(PCI_ID(0x1002, 0x4385), bus);
return (dev >> 15) & 0x1f;
}
unsigned int get_sbdn(unsigned bus)
{
device_t dev;
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VT8237R_LPC), bus);
return (dev >> 15) & 0x1f;
}
/**
* @brief Get SouthBridge device number
* @param[in] bus target bus number
* @return southbridge device number
*/
unsigned int get_sbdn(unsigned bus)
{
pci_devfn_t dev;
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
PCI_DEVICE_ID_NVIDIA_CK804_PRO), bus);
return (dev >> 15) & 0x1f;
}
void sb600_lpc_port80(void)
{
u8 byte;
device_t dev;
u32 reg32;
/* Enable LPC controller */
dev = pci_locate_device(PCI_ID(0x1002, 0x4385), 0);
reg32 = pci_read_config32(dev, 0x64);
reg32 |= 0x00100000; /* lpcEnable */
pci_write_config32(dev, 0x64, reg32);
/* Enable port 80 LPC decode in pci function 3 configuration space. */
dev = pci_locate_device(PCI_ID(0x1002, 0x438d), 0);
byte = pci_read_config8(dev, 0x4a);
byte |= 1 << 5; /* enable port 80 */
pci_write_config8(dev, 0x4a, byte);
}
void sb600_pci_port80(void)
{
u8 byte;
device_t dev;
/* P2P Bridge */
dev = pci_locate_device(PCI_ID(0x1002, 0x4384), 0);
/* Chip Control: Enable subtractive decoding */
byte = pci_read_config8(dev, 0x40);
byte |= 1 << 5;
pci_write_config8(dev, 0x40, byte);
/* Misc Control: Enable subtractive decoding if 0x40 bit 5 is set */
byte = pci_read_config8(dev, 0x4B);
byte |= 1 << 7;
pci_write_config8(dev, 0x4B, byte);
/* The same IO Base and IO Limit here is meaningful because we set the
* bridge to be subtractive. During early setup stage, we have to make
* sure that data can go through port 0x80.
*/
/* IO Base: 0xf000 */
byte = pci_read_config8(dev, 0x1C);
byte |= 0xF << 4;
pci_write_config8(dev, 0x1C, byte);
/* IO Limit: 0xf000 */
byte = pci_read_config8(dev, 0x1D);
byte |= 0xF << 4;
pci_write_config8(dev, 0x1D, byte);
/* PCI Command: Enable IO response */
byte = pci_read_config8(dev, 0x04);
byte |= 1 << 0;
pci_write_config8(dev, 0x04, byte);
/* LPC controller */
dev = pci_locate_device(PCI_ID(0x1002, 0x438D), 0);
byte = pci_read_config8(dev, 0x4A);
byte &= ~(1 << 5); /* disable lpc port 80 */
pci_write_config8(dev, 0x4A, byte);
}
unsigned get_sbdn(unsigned bus)
{
pci_devfn_t dev;
/* Find the device. */
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
return (dev >> 15) & 0x1f;
}
static unsigned get_sbdn(unsigned bus)
{
device_t dev;
/* Find the device. */
dev = pci_locate_device_on_bus(
PCI_ID(PCI_VENDOR_ID_SIS, PCI_DEVICE_ID_SIS_SIS761),
bus);
return (dev>>15) & 0x1f;
}
static void sis966_enable_rom(void)
{
pci_devfn_t addr;
/* Enable 4MB ROM access at 0xFFC00000 - 0xFFFFFFFF. */
addr = pci_locate_device(PCI_ID(PCI_VENDOR_ID_SIS,
PCI_DEVICE_ID_SIS_SIS966_LPC), 0);
/* Set the 4MB enable bit(s). */
pci_write_config8(addr, 0x40, pci_read_config8(addr, 0x40) | 0x11);
}
/* RPR 2.1: Get SB ASIC Revision. */
static u8 get_sb600_revision(void)
{
device_t dev;
dev = pci_locate_device(PCI_ID(0x1002, 0x4385), 0);
if (dev == PCI_DEV_INVALID) {
die("SMBUS controller not found\n");
/* NOT REACHED */
}
return pci_read_config8(dev, 0x08);
}
/**
* @brief Get SouthBridge device number
* @param[in] bus target bus number
* @return southbridge device number
*/
u32 get_sbdn(u32 bus)
{
device_t dev;
printk(BIOS_SPEW, "SB700 - Early.c - %s - Start.\n", __func__);
dev = pci_locate_device_on_bus(
PCI_ID(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB700_SM),
bus);
printk(BIOS_SPEW, "SB700 - Early.c - %s - End.\n", __func__);
return (dev >> 15) & 0x1f;
}
/* Enable 4MB ROM access at 0xFFC00000 - 0xFFFFFFFF. */
static void bcm5785_enable_rom(void)
{
u8 byte;
device_t dev;
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_BCM5785_SB_PCI_MAIN), 0);
/* Set the 4MB enable bits. */
byte = pci_read_config8(dev, 0x41);
byte |= 0x0e;
pci_write_config8(dev, 0x41, byte);
}
/**
* @brief Get SouthBridge device number
* @param[in] bus target bus number
* @return southbridge device number
*/
u32 get_sbdn(u32 bus)
{
device_t dev;
printk(BIOS_DEBUG, "SB800 - %s - %s - Start.\n", __FILE__, __func__);
//dev = PCI_DEV(bus, 0x14, 0);
dev = pci_locate_device_on_bus(
PCI_ID(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB800_SM),
bus);
printk(BIOS_DEBUG, "SB800 - %s - %s - End.\n", __FILE__, __func__);
return (dev >> 15) & 0x1f;
}
/**
* @brief Get SouthBridge device number
* @param[in] bus target bus number
* @return southbridge device number
*/
u32 get_sbdn(u32 bus)
{
device_t dev;
printk(BIOS_INFO, "SB900 - Early.c - get_sbdn - Start.\n");
//dev = PCI_DEV(bus, 0x14, 0);
dev = pci_locate_device_on_bus(
PCI_ID(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_ATI_SB900_SM),
bus);
printk(BIOS_INFO, "SB900 - Early.c - get_sbdn - End.\n");
return (dev >> 15) & 0x1f;
}
/***************************************
* Legacy devices are mapped to LPC space.
* Serial port 0, 1
* KBC Port
* ACPI Micro-controller port
* This function does not change port 0x80 decoding.
* Console output through any port besides 0x2f8/0x3f8 is unsupported.
* If you use FWH ROMs, you have to setup IDSEL.
* Reviewed-by: Carl-Daniel Hailfinger
* Reviewed against AMD SB600 Register Reference Manual rev. 3.03, section 3.1
* (LPC ISA Bridge)
***************************************/
static void sb600_lpc_init(void)
{
u8 reg8;
u32 reg32;
device_t dev;
dev = pci_locate_device(PCI_ID(0x1002, 0x4385), 0); /* SMBUS controller */
/* NOTE: Set BootTimerDisable, otherwise it would keep rebooting!!
* This bit has no meaning if debug strap is not enabled. So if the
* board keeps rebooting and the code fails to reach here, we could
* disable the debug strap first. */
reg32 = pci_read_config32(dev, 0x4C);
reg32 |= 1 << 31;
pci_write_config32(dev, 0x4C, reg32);
/* Enable lpc controller */
reg32 = pci_read_config32(dev, 0x64);
reg32 |= 1 << 20;
pci_write_config32(dev, 0x64, reg32);
dev = pci_locate_device(PCI_ID(0x1002, 0x438d), 0); /* LPC Controller */
/* Decode port 0x3f8-0x3ff (Serial 0), 0x2f8-0x2ff (Serial 1) */
reg8 = pci_read_config8(dev, 0x44);
reg8 |= (1 << 6) | (1 << 7);
pci_write_config8(dev, 0x44, reg8);
/* Decode port 0x60 & 0x64 (PS/2 keyboard) and port 0x62 & 0x66 (ACPI)*/
reg8 = pci_read_config8(dev, 0x47);
reg8 |= (1 << 5) | (1 << 6);
pci_write_config8(dev, 0x47, reg8);
/* Super I/O, RTC */
reg8 = pci_read_config8(dev, 0x48);
/* Decode ports 0x2e-0x2f, 0x4e-0x4f (SuperI/O configuration) */
reg8 |= (1 << 1) | (1 << 0);
/* Decode port 0x70-0x73 (RTC) */
reg8 |= (1 << 6);
pci_write_config8(dev, 0x48, reg8);
}
/* by yhlu 2005.10 */
static unsigned get_sbdn(unsigned bus)
{
pci_devfn_t dev;
/* Find the device.
* There can only be one 8111 on a hypertransport chain/bus.
*/
dev = pci_locate_device_on_bus(
PCI_ID(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_PCI),
bus);
return (dev>>15) & 0x1f;
}