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#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
#include <device/pnp_def.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <arch/romcc_io.h>
#include <cpu/x86/lapic.h>
#include "pc80/mc146818rtc_early.c"
#include "southbridge/nvidia/ck804/ck804_enable_rom.c"
#include "northbridge/amd/amdk8/early_ht.c"
#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/amd/amdk8/reset_test.c"
#include "superio/smsc/lpc47b397/lpc47b397_early_serial.c"
#include "superio/smsc/lpc47b397/lpc47b397_early_gpio.c"
#define SUPERIO_GPIO_DEV PNP_DEV(0x2e, LPC47B397_RT)
#define SUPERIO_GPIO_IO_BASE 0x400
static void sio_setup(void)
{
unsigned value;
uint32_t dword;
uint8_t byte;
pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1, 0), 0xac, 0x047f0400);
byte = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b);
byte |= 0x20;
pci_write_config8(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0x7b, byte);
dword = pci_read_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0);
dword |= (1<<29)|(1<<0);
pci_write_config32(PCI_DEV(0, CK804_DEVN_BASE+1 , 0), 0xa0, dword);
#if 1
lpc47b397_enable_serial(SUPERIO_GPIO_DEV, SUPERIO_GPIO_IO_BASE);
value = lpc47b397_gpio_offset_in(SUPERIO_GPIO_IO_BASE, 0x77);
value &= 0xbf;
lpc47b397_gpio_offset_out(SUPERIO_GPIO_IO_BASE, 0x77, value);
#endif
}
static unsigned long main(unsigned long bist)
{
unsigned nodeid;
/* Make cerain my local apic is useable */
// enable_lapic();
nodeid = lapicid();;
/* Is this a cpu only reset? */
if (cpu_init_detected(nodeid)) {
if (last_boot_normal()) {
goto normal_image;
} else {
goto cpu_reset;
}
}
/* Is this a secondary cpu? */
if (!boot_cpu()) {
if (last_boot_normal()) {
goto normal_image;
} else {
goto fallback_image;
}
}
/* Nothing special needs to be done to find bus 0 */
/* Allow the HT devices to be found */
enumerate_ht_chain();
sio_setup();
/* Setup the ck804 */
ck804_enable_rom();
/* Is this a deliberate reset by the bios */
if (bios_reset_detected() && last_boot_normal()) {
goto normal_image;
}
/* This is the primary cpu how should I boot? */
else if (do_normal_boot()) {
goto normal_image;
}
else {
goto fallback_image;
}
normal_image:
asm volatile ("jmp __normal_image"
: /* outputs */
: "a" (bist) /* inputs */
: /* clobbers */
);
cpu_reset:
#if 0
//CPU reset will reset memtroller ???
asm volatile ("jmp __cpu_reset"
: /* outputs */
: "a"(bist) /* inputs */
: /* clobbers */
);
#endif
fallback_image:
return bist;
}
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