#define ASSEMBLY 1 #include #include #include #include #include #if 0 #include #endif #include //#include "option_table.h" #include "pc80/mc146818rtc_early.c" #include "pc80/serial.c" #include "arch/i386/lib/console.c" #include "ram/ramtest.c" #include "southbridge/intel/i82801dbm/i82801dbm_early_smbus.c" #include "northbridge/intel/i855pm/raminit.h" #if 0 #include "cpu/p6/apic_timer.c" #include "lib/delay.c" #endif #include "cpu/x86/lapic/boot_cpu.c" #include "northbridge/intel/i855pm/debug.c" #include "superio/winbond/w83627hf/w83627hf_early_serial.c" #include "cpu/x86/mtrr/earlymtrr.c" #include "cpu/x86/bist.h" #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1) static void hard_reset(void) { outb(0x0e, 0x0cf9); } static void memreset_setup(void) { } static void memreset(int controllers, const struct mem_controller *ctrl) { } static inline void activate_spd_rom(const struct mem_controller *ctrl) { /* nothing to do */ } static inline int spd_read_byte(unsigned device, unsigned address) { return smbus_read_byte(device, address); } #include "northbridge/intel/i855pm/raminit.c" #include "northbridge/intel/i855pm/reset_test.c" #include "sdram/generic_sdram.c" static void main(unsigned long bist) { static const struct mem_controller memctrl[] = { { .d0 = PCI_DEV(0, 0, 1), .channel0 = { (0xa<<3)|0, 0 }, }, }; if (bist == 0) { early_mtrr_init(); #if 0 enable_lapic(); init_timer(); #endif } w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); /* Halt if there was a built in self test failure */ report_bist_failure(bist); #if 0 print_pci_devices(); #endif if(!bios_reset_detected()) { enable_smbus(); #if 1 dump_spd_registers(&memctrl[0]); // dump_smbus_registers(); #endif memreset_setup(); sdram_initialize(sizeof(memctrl)/sizeof(memctrl[0]), memctrl); } #if 0 else { /* clear memory 1meg */ __asm__ volatile( "1: \n\t" "movl %0, %%fs:(%1)\n\t" "addl $4,%1\n\t" "subl $4,%2\n\t" "jnz 1b\n\t" : : "a" (0), "D" (0), "c" (1024*1024) ); } #endif #if 0 dump_pci_devices(); #endif #if 0 dump_pci_device(PCI_DEV(0, 0, 0)); #endif /* #if 0 ram_check(0x00000000, msr.lo+(msr.hi<<32)); #else #if 0 // Check 16MB of memory @ 0 ram_check(0x00000000, 0x01000000); #else // Check 16MB of memory @ 2GB ram_check(0x80000000, 0x81000000); #endif #endif */ }