static void lpc_init(device_t dev)
{
u8 byte;
u32 dword;
device_t sm_dev;
/* Enable the LPC Controller */
sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
dword = pci_read_config32(sm_dev, 0x64);
dword |= 1 << 20;
pci_write_config32(sm_dev, 0x64, dword);
/* Initialize isa dma */
isa_dma_init();
/* Enable DMA transaction on the LPC bus */
byte = pci_read_config8(dev, 0x40);
byte |= (1 << 2);
pci_write_config8(dev, 0x40, byte);
/* Disable the timeout mechanism on LPC */
byte = pci_read_config8(dev, 0x48);
byte &= ~(1 << 7);
pci_write_config8(dev, 0x48, byte);
/* Disable LPC MSI Capability */
byte = pci_read_config8(dev, 0x78);
byte &= ~(1 << 1);
byte &= ~(1 << 0); /* Keep the old way. i.e., when bus master/DMA cycle is going
on on LPC, it holds PCI grant, so no LPC slave cycle can
interrupt and visit LPC. */
pci_write_config8(dev, 0x78, byte);
/* bit0: Enable prefetch a cacheline (64 bytes) when Host reads code from SPI ROM */
/* bit3: Fix SPI_CS# timing issue when running at 66M. TODO:A12. */
byte = pci_read_config8(dev, 0xBB);
byte |= 1 << 0 | 1 << 3;
pci_write_config8(dev, 0xBB, byte);
cmos_check_update_date();
/* Initialize the real time clock.
* The 0 argument tells cmos_init not to
* update CMOS unless it is invalid.
* 1 tells cmos_init to always initialize the CMOS.
*/
cmos_init(0);
/* Initialize i8259 pic */
setup_i8259 ();
/* Initialize i8254 timers */
setup_i8254 ();
}
static void lpc_init(device_t dev)
{
printk(BIOS_DEBUG, "SB700 - Late.c - lpc_init - Start.\n");
rtc_check_update_cmos_date(RTC_HAS_ALTCENTURY);
/* Initialize the real time clock.
* The 0 argument tells rtc_init not to
* update CMOS unless it is invalid.
* 1 tells rtc_init to always initialize the CMOS.
*/
rtc_init(0);
setup_i8259(); /* Initialize i8259 pic */
setup_i8254(); /* Initialize i8254 timers */
printk(BIOS_DEBUG, "SB700 - Late.c - lpc_init - End.\n");
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
#if CONFIG_HAVE_ACPI_RESUME
void *resume_backup_memory;
#endif
/*
* All cores: allow caching of flash chip code and data
* (there are no cache-as-ram reliability concerns with family 14h)
*/
__writemsr (0x20c, (0x0100000000ull - CONFIG_ROM_SIZE) | 5);
__writemsr (0x20d, (0x1000000000ull - CONFIG_ROM_SIZE) | 0x800);
/* All cores: set pstate 0 (1600 MHz) early to save a few ms of boot time */
__writemsr (0xc0010062, 0);
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x30);
sb_Poweron_Init();
post_code(0x31);
smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
}
/* Halt if there was a built in self test failure */
post_code(0x34);
report_bist_failure(bist);
/* Load MPB */
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
post_code(0x35);
printk(BIOS_DEBUG, "agesawrapper_amdinitmmio ");
val = agesawrapper_amdinitmmio();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
post_code(0x37);
printk(BIOS_DEBUG, "agesawrapper_amdinitreset ");
val = agesawrapper_amdinitreset();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
post_code(0x39);
printk(BIOS_DEBUG, "agesawrapper_amdinitearly ");
val = agesawrapper_amdinitearly ();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
#if CONFIG_HAVE_ACPI_RESUME
if (!acpi_is_wakeup_early()) { /* Check for S3 resume */
#endif
post_code(0x40);
printk(BIOS_DEBUG, "agesawrapper_amdinitpost ");
val = agesawrapper_amdinitpost ();
/* Reboots with outb(3,0x92), outb(4,0xcf9) or triple-fault all
* hang, looks like DRAM re-init goes wrong, don't know why. */
if (val == 7) /* fatal, amdinitenv below is going to hang */
outb(0x06, 0x0cf9); /* reset system harder instead */
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
post_code(0x42);
printk(BIOS_DEBUG, "agesawrapper_amdinitenv ");
val = agesawrapper_amdinitenv ();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
#if CONFIG_HAVE_ACPI_RESUME
} else { /* S3 detect */
printk(BIOS_INFO, "S3 detected\n");
post_code(0x60);
printk(BIOS_DEBUG, "agesawrapper_amdinitresume ");
val = agesawrapper_amdinitresume();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
printk(BIOS_DEBUG, "agesawrapper_amds3laterestore ");
val = agesawrapper_amds3laterestore ();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
post_code(0x61);
printk(BIOS_DEBUG, "Find resume memory location\n");
resume_backup_memory = backup_resume();
post_code(0x62);
printk(BIOS_DEBUG, "Move CAR stack.\n");
move_stack_high_mem();
printk(BIOS_DEBUG, "stack moved to: 0x%x\n", (u32) (resume_backup_memory + HIGH_MEMORY_SAVE));
post_code(0x63);
disable_cache_as_ram();
printk(BIOS_DEBUG, "CAR disabled.\n");
set_resume_cache();
/*
* Copy the system memory that is in the ramstage area to the
* reserved area.
*/
if (resume_backup_memory)
memcpy(resume_backup_memory, (void *)(CONFIG_RAMBASE), HIGH_MEMORY_SAVE);
printk(BIOS_DEBUG, "System memory saved. OK to load ramstage.\n");
}
#endif
/* Initialize i8259 pic */
post_code(0x43);
setup_i8259 ();
/* Initialize i8254 timers */
post_code(0x44);
setup_i8254 ();
post_code(0x50);
copy_and_run(0);
printk(BIOS_ERR, "Error: copy_and_run() returned!\n");
post_code(0x54); /* Should never see this post code. */
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x30);
sch4037_early_init (CONFIG_SIO_PORT);
/* Detect SMSC SIO1036 LPC Debug Card status */
if (detect_sio1036_chip(0x4E)) {
/* Found SMSC SIO1036 LPC Debug Card */
sio1036_early_init(0x4E);
}
post_code(0x31);
uart_init();
console_init();
/*
* SR5650/5670/5690 RD890 chipset, read pci config space hang at POR,
* Disable all Pcie Bridges to work around It.
*/
sr56x0_rd890_disable_pcie_bridge();
}
post_code(0x32);
val = agesawrapper_amdinitmmio();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitmmio failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitmmio passed\n");
}
/* Halt if there was a built in self test failure */
post_code(0x33);
report_bist_failure(bist);
// Load MPB
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
if(boot_cpu()) {
post_code(0x34);
sb_Poweron_Init();
}
post_code(0x35);
val = agesawrapper_amdinitreset();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset passed\n");
}
post_code(0x36);
val = agesawrapper_amdinitearly ();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly passed\n");
}
post_code(0x37);
nb_Poweron_Init();
post_code(0x38);
nb_Ht_Init();
post_code(0x39);
val = agesawrapper_amdinitpost ();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost passed\n");
}
post_code(0x40);
val = agesawrapper_amdinitenv ();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitenv passed\n");
}
/* Initialize i8259 pic */
post_code(0x41);
setup_i8259 ();
/* Initialize i8254 timers */
post_code(0x42);
setup_i8254 ();
post_code(0x43);
print_debug("Disabling cache as ram ");
disable_cache_as_ram();
print_debug("done\n");
post_code(0x44);
copy_and_run(0);
post_code(0x45); // Should never see this post code.
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x30);
sb_Poweron_Init();
post_code(0x31);
kbc1100_early_init(CONFIG_SIO_PORT);
console_init();
}
/* Halt if there was a built in self test failure */
post_code(0x34);
report_bist_failure(bist);
// Load MPB
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
post_code(0x35);
val = agesawrapper_amdinitmmio();
post_code(0x37);
val = agesawrapper_amdinitreset();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
}
post_code(0x38);
printk(BIOS_DEBUG, "Got past sb800_early_setup\n");
post_code(0x39);
val = agesawrapper_amdinitearly ();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
}
printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n");
post_code(0x40);
val = agesawrapper_amdinitpost ();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
}
printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n");
post_code(0x41);
val = agesawrapper_amdinitenv ();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
}
printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n");
/* Initialize i8259 pic */
post_code(0x41);
setup_i8259 ();
/* Initialize i8254 timers */
post_code(0x42);
setup_i8254 ();
post_code(0x50);
copy_and_run(0);
post_code(0x54); // Should never see this post code.
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
u8 reg8;
// all cores: allow caching of flash chip code and data
// (there are no cache-as-ram reliability concerns with family 14h)
__writemsr (0x20c, (0x0100000000ull - CONFIG_ROM_SIZE) | 5);
__writemsr (0x20d, (0x1000000000ull - CONFIG_ROM_SIZE) | 0x800);
// all cores: set pstate 0 (1600 MHz) early to save a few ms of boot time
__writemsr (0xc0010062, 0);
if (boot_cpu())
{
u8 reg8;
// SB800: program AcpiMmioEn to enable MMIO access to MiscCntrl register
outb(0x24, 0xCD6);
reg8 = inb(0xCD7);
reg8 |= 1;
reg8 &= ~(1 << 1);
outb(reg8, 0xCD7);
// program SB800 MiscCntrl
*(volatile u32 *)(0xFED80000+0xE00+0x40) &= ~((1 << 0) | (1 << 2)); /* 48Mhz */
*(volatile u32 *)(0xFED80000+0xE00+0x40) |= 1 << 1; /* 48Mhz */
}
// early enable of PrefetchEnSPIFromHost
if (boot_cpu())
{
__outdword (0xcf8, 0x8000a3b8);
__outdword (0xcfc, __indword (0xcfc) | 1 << 24);
}
// early enable of SPI 33 MHz fast mode read
if (boot_cpu())
{
volatile u32 *spiBase = (void *) 0xa0000000;
u32 save;
__outdword (0xcf8, 0x8000a3a0);
save = __indword (0xcfc);
__outdword (0xcfc, (u32) spiBase | 2); // set temp MMIO base
spiBase [3] = (spiBase [3] & ~(3 << 14)) | (1 << 14);
spiBase [0] |= 1 << 18; // fast read enable
__outdword (0xcfc, save); // clear temp base
}
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x30);
sb_poweron_init();
post_code(0x31);
f81865f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
}
/* Halt if there was a built in self test failure */
post_code(0x34);
report_bist_failure(bist);
// Load MPB
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
post_code(0x35);
val = agesawrapper_amdinitmmio();
post_code(0x37);
val = agesawrapper_amdinitreset();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
}
post_code(0x38);
printk(BIOS_DEBUG, "Got past sb800_early_setup\n");
post_code(0x39);
val = agesawrapper_amdinitearly ();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
}
printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n");
post_code(0x40);
val = agesawrapper_amdinitpost ();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
}
printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n");
post_code(0x41);
val = agesawrapper_amdinitenv ();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
}
printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n");
/* Initialize i8259 pic */
post_code(0x41);
setup_i8259 ();
/* Initialize i8254 timers */
post_code(0x42);
setup_i8254 ();
post_code(0x50);
copy_and_run(0);
post_code(0x54); // Should never see this post code.
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
post_code(0x35);
printk(BIOS_DEBUG, "agesawrapper_amdinitmmio ");
val = agesawrapper_amdinitmmio();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x30);
gpioEarlyInit();
sb_poweron_init();
post_code(0x31);
kbc1100_early_init(CONFIG_SIO_PORT);
post_code(0x32);
uart_init();
post_code(0x33);
console_init();
}
/* Halt if there was a built in self test failure */
post_code(0x34);
report_bist_failure(bist);
// Load MPB
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
post_code(0x36);
printk(BIOS_DEBUG, "agesawrapper_amdinitreset ");
val = agesawrapper_amdinitreset();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
post_code(0x37);
printk(BIOS_DEBUG, "agesawrapper_amdinitearly ");
val = agesawrapper_amdinitearly();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
post_code(0x38);
printk(BIOS_DEBUG, "agesawrapper_amdinitpost ");
val = agesawrapper_amdinitpost();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
post_code(0x39);
printk(BIOS_DEBUG, "sb_before_pci_init ");
sb_before_pci_init();
printk(BIOS_DEBUG, "passed.\n");
post_code(0x40);
printk(BIOS_DEBUG, "agesawrapper_amdinitenv ");
val = agesawrapper_amdinitenv();
if (val)
printk(BIOS_DEBUG, "error level: %x \n", val);
else
printk(BIOS_DEBUG, "passed.\n");
/* Initialize i8259 pic */
post_code(0x41);
printk(BIOS_DEBUG, "setup_i8259\n");
setup_i8259();
/* Initialize i8254 timers */
post_code(0x42);
printk(BIOS_DEBUG, "setup_i8254\n");
setup_i8254();
post_code(0x43);
copy_and_run();
printk(BIOS_ERR, "Error: copy_and_run returned!\n");
post_code(0x44); // Should never see this post code.
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
post_code(0x30);
agesawrapper_amdinitmmio();
post_code(0x31);
/* Halt if there was a built in self test failure */
post_code(0x33);
report_bist_failure(bist);
sb7xx_51xx_enable_wideio(0, 0x1600); /* though UARTs are on the NUVOTON BMC */
w83627dhg_set_clksel_48(DUMMY_DEV);
w83627dhg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
sb7xx_51xx_disable_wideio(0);
post_code(0x34);
uart_init();
post_code(0x35);
console_init();
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
post_code(0x37);
val = agesawrapper_amdinitreset();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset passed\n");
}
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x38);
/*
* SR5650/5670/5690 RD890 chipset, read pci config space hang at POR,
* Disable all Pcie Bridges to work around It.
*/
sr56x0_rd890_disable_pcie_bridge();
post_code(0x39);
nb_Poweron_Init();
post_code(0x3A);
sb_Poweron_Init();
}
post_code(0x3B);
val = agesawrapper_amdinitearly();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly passed\n");
}
post_code(0x3C);
/* W83627DHG pin89,90 function select is RSTOUT3#, RSTOUT2# by default.
* In order to access W83795G/ADG HWM using I2C protocol,
* we select function to SDA, SCL function (or GP33, GP32 function).
*/
w83627dhg_enable_i2c(PNP_DEV(0x2E, W83627DHG_SPI));
nb_Ht_Init();
post_code(0x3D);
/* Reset for HT, FIDVID, PLL and ucode patch(errata) changes to take affect. */
if (!warm_reset_detect(0)) {
print_info("...WARM RESET...\n\n\n");
distinguish_cpu_resets(0);
soft_reset();
die("After soft_reset_x - shouldn't see this message!!!\n");
}
post_code(0x40);
val = agesawrapper_amdinitpost();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost passed\n");
}
post_code(0x41);
val = agesawrapper_amdinitenv();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
}
printk(BIOS_DEBUG, "agesawrapper_amdinitenv passed\n");
post_code(0x42);
post_code(0x50);
print_debug("Disabling cache as ram ");
disable_cache_as_ram();
print_debug("done\n");
post_code(0x51);
setup_i8259 ();
setup_i8254 ();
copy_and_run();
/* We will not return, Should never see this message and post code. */
print_debug("should not be here -\n");
post_code(0x54);
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
u32 val;
post_code(0x30);
agesawrapper_amdinitmmio();
post_code(0x31);
/* Halt if there was a built in self test failure */
post_code(0x33);
report_bist_failure(bist);
sb7xx_51xx_enable_wideio(0, 0x1600); /* though UARTs are on the NUVOTON BMC */
wpcm450_enable_dev(WPCM450_SP1, 0x164E, CONFIG_TTYS0_BASE);
sb7xx_51xx_disable_wideio(0);
post_code(0x34);
uart_init();
post_code(0x35);
console_init();
val = cpuid_eax(1);
printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
post_code(0x37);
val = agesawrapper_amdinitreset();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitreset passed\n");
}
if (!cpu_init_detectedx && boot_cpu()) {
post_code(0x38);
/*
* SR5650/5670/5690 RD890 chipset, read pci config space hang at POR,
* Disable all Pcie Bridges to work around It.
*/
sr56x0_rd890_disable_pcie_bridge();
post_code(0x39);
nb_Poweron_Init();
post_code(0x3A);
sb_Poweron_Init();
}
post_code(0x3B);
val = agesawrapper_amdinitearly();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitearly passed\n");
}
post_code(0x3C);
nb_Ht_Init();
post_code(0x3D);
/* Reset for HT, FIDVID, PLL and ucode patch(errata) changes to take affect. */
if (!warm_reset_detect(0)) {
print_info("...WARM RESET...\n\n\n");
distinguish_cpu_resets(0);
soft_reset();
die("After soft_reset_x - shouldn't see this message!!!\n");
}
post_code(0x40);
val = agesawrapper_amdinitpost();
if (val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
} else {
printk(BIOS_DEBUG, "agesawrapper_amdinitpost passed\n");
}
post_code(0x41);
val = agesawrapper_amdinitenv();
if(val) {
printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
}
printk(BIOS_DEBUG, "agesawrapper_amdinitenv passed\n");
post_code(0x42);
/* Initialize i8259 pic */
post_code(0x41);
setup_i8259 ();
/* Initialize i8254 timers */
post_code(0x42);
setup_i8254 ();
post_code(0x50);
print_debug("Disabling cache as ram ");
disable_cache_as_ram();
print_debug("done\n");
post_code(0x51);
copy_and_run(0);
/* We will not return, Should never see this message and post code. */
print_debug("should not be here -\n");
post_code(0x54);
}