예제 #1
0
void main(unsigned long bist)
{
	if (bist == 0) {
		if (memory_initialized())
			hard_reset();
	}

	/* Set southbridge and superio gpios */
	mb_gpio_init();

	smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

	/* Halt if there was a built in self test failure. */
	report_bist_failure(bist);

	/* disable TCO timers */
	i82801dx_halt_tco_timer();

	/* Setup mainboard specific registers */
	mb_early_setup();

	/* Initialize memory */
	sdram_initialize();
}
예제 #2
0
void main(unsigned long bist)
{
	smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();
	enable_smbus();
	report_bist_failure(bist);
	dump_spd_registers();
	sdram_set_registers();
	sdram_set_spd_registers();
	sdram_enable();
}
예제 #3
0
파일: romstage.c 프로젝트: 0ida/coreboot
void main(unsigned long bist)
{
	/* Set southbridge and Super I/O GPIOs. */
	mb_gpio_init();

	smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

	report_bist_failure(bist);
	enable_smbus();
	dump_spd_registers();
	sdram_set_registers();
	sdram_set_spd_registers();
	sdram_enable();
}
예제 #4
0
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. */
}
예제 #5
0
파일: romstage.c 프로젝트: AdriDlu/coreboot
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	u32 val;

	/*
	 * All cores: allow caching of flash chip code and data
	 * (there are no cache-as-ram reliability concerns with family 14h)
	 */
	__writemsr (0x20c, (0x0100000000ull - CACHE_ROM_SIZE) | 5);
	__writemsr (0x20d, (0x1000000000ull - CACHE_ROM_SIZE) | 0x800);

	/* All cores: set pstate 0 (1600 MHz) early to save a few ms of boot time */
	__writemsr (0xc0010062, 0);

	amd_initmmio();

	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(0x37);
	agesawrapper_amdinitreset();

	post_code(0x39);
	agesawrapper_amdinitearly();

	int s3resume = acpi_is_wakeup_s3();
	if (!s3resume) {
		post_code(0x40);
		/* Reboots with outb(3,0x92), outb(4,0xcf9) or triple-fault all
		 * hang, looks like DRAM re-init goes wrong, don't know why. */
		val = agesawrapper_amdinitpost();
		if (val == 7) /* fatal, amdinitenv below is going to hang */
			outb(0x06, 0x0cf9); /* reset system harder instead */

		post_code(0x42);
		agesawrapper_amdinitenv();
		amd_initenv();

	} else { 			/* S3 detect */
		printk(BIOS_INFO, "S3 detected\n");

		post_code(0x60);
		agesawrapper_amdinitresume();

		agesawrapper_amds3laterestore();

		post_code(0x61);
		prepare_for_resume();
	}

	post_code(0x50);
	copy_and_run();
	printk(BIOS_ERR, "Error: copy_and_run() returned!\n");

	post_code(0x54);	/* Should never see this post code. */
}