Esempio n. 1
0
void mainboard_early_init(int s3resume)
{
	/* Do ec reset as early as possible, but skip it on S3 resume */
	if (!s3resume) {
		early_ec_init();
	}
}
Esempio n. 2
0
void main(unsigned long bist)
{
	int boot_mode = 0;
	int cbmem_was_initted;

	struct pei_data pei_data = {
		.pei_version = PEI_VERSION,
		.mchbar = (uintptr_t)DEFAULT_MCHBAR,
		.dmibar = (uintptr_t)DEFAULT_DMIBAR,
		.epbar = DEFAULT_EPBAR,
		.pciexbar = CONFIG_MMCONF_BASE_ADDRESS,
		.smbusbar = SMBUS_IO_BASE,
		.wdbbar = 0x4000000,
		.wdbsize = 0x1000,
		.hpet_address = CONFIG_HPET_ADDRESS,
		.rcba = (uintptr_t)DEFAULT_RCBABASE,
		.pmbase = DEFAULT_PMBASE,
		.gpiobase = DEFAULT_GPIOBASE,
		.thermalbase = 0xfed08000,
		.system_type = 0, // 0 Mobile, 1 Desktop/Server
		.tseg_size = CONFIG_SMM_TSEG_SIZE,
		.spd_addresses = { 0xA0, 0x00,0xA4,0x00 },
		.ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
		.ec_present = 1,
		// 0 = leave channel enabled
		// 1 = disable dimm 0 on channel
		// 2 = disable dimm 1 on channel
		// 3 = disable dimm 0+1 on channel
		.dimm_channel0_disabled = 2,
		.dimm_channel1_disabled = 2,
		.max_ddr3_freq = 1600,
		.usb_port_config = {
			/* enabled   usb oc pin    length */
			{ 1, 0, 0x0040 }, /* P0: USB 3.0 1  (OC0) */
			{ 1, 0, 0x0040 }, /* P1: USB 3.0 2  (OC0) */
			{ 0, 1, 0x0000 }, /* P2: Empty */
			{ 1, 1, 0x0040 }, /* P3: Camera (no OC) */
			{ 1, 1, 0x0040 }, /* P4: WLAN   (no OC) */
			{ 1, 1, 0x0040 }, /* P5: WWAN   (no OC) */
			{ 0, 1, 0x0000 }, /* P6: Empty */
			{ 0, 1, 0x0000 }, /* P7: Empty */
			{ 0, 5, 0x0000 }, /* P8: Empty */
			{ 1, 4, 0x0040 }, /* P9: USB 2.0 (AUO4) (OC4) */
			{ 0, 5, 0x0000 }, /* P10: Empty */
			{ 0, 5, 0x0000 }, /* P11: Empty */
			{ 0, 5, 0x0000 }, /* P12: Empty */
			{ 1, 5, 0x0040 }, /* P13: Bluetooth (no OC) */
		},
		.usb3 = {
			.mode = XHCI_MODE,
			.hs_port_switch_mask = XHCI_PORTS,
			.preboot_support = XHCI_PREBOOT,
			.xhci_streams = XHCI_STREAMS,
		},
	};

	timestamp_init(get_initial_timestamp());
	timestamp_add_now(TS_START_ROMSTAGE);

	if (bist == 0)
		enable_lapic();

	pch_enable_lpc();

	/* Enable GPIOs */
	pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE|1);
	pci_write_config8(PCH_LPC_DEV, GPIO_CNTL, 0x10);
	setup_pch_gpios(&stout_gpio_map);

	/* Initialize console device(s) */
	console_init();

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

	if (MCHBAR16(SSKPD) == 0xCAFE) {
		printk(BIOS_DEBUG, "soft reset detected\n");
		boot_mode = 1;

		/* System is not happy after keyboard reset... */
		printk(BIOS_DEBUG, "Issuing CF9 warm reset\n");
		outb(0x6, 0xcf9);
		halt();
	}


	/* Perform some early chipset initialization required
	 * before RAM initialization can work
	 */
	sandybridge_early_initialization(SANDYBRIDGE_MOBILE);
	printk(BIOS_DEBUG, "Back from sandybridge_early_initialization()\n");

	boot_mode = southbridge_detect_s3_resume() ? 2 : 0;

	/* Do ec reset as early as possible, but skip it on S3 resume */
	if (boot_mode < 2)
		early_ec_init();

	post_code(0x38);
	/* Enable SPD ROMs and DDR-III DRAM */
	enable_smbus();

	/* Prepare USB controller early in S3 resume */
	if (boot_mode == 2)
		enable_usb_bar();

	post_code(0x39);

	post_code(0x3a);
	pei_data.boot_mode = boot_mode;
	timestamp_add_now(TS_BEFORE_INITRAM);
	sdram_initialize(&pei_data);

	timestamp_add_now(TS_AFTER_INITRAM);
	post_code(0x3b);
	/* Perform some initialization that must run before stage2 */
	early_pch_init();
	post_code(0x3c);

	rcba_config();
	post_code(0x3d);

	quick_ram_check();
	post_code(0x3e);

	cbmem_was_initted = !cbmem_recovery(boot_mode==2);
	if (boot_mode!=2)
		save_mrc_data(&pei_data);

	if (boot_mode==2 && !cbmem_was_initted) {
		/* Failed S3 resume, reset to come up cleanly */
		outb(0x6, 0xcf9);
		halt();
	}
	northbridge_romstage_finalize(boot_mode==2);

	post_code(0x3f);
#if CONFIG_CHROMEOS
	init_chromeos(boot_mode);
#endif
	timestamp_add_now(TS_END_ROMSTAGE);
}