コード例 #1
0
ファイル: romstage.c プロジェクト: DarkDefender/coreboot
void main(unsigned long bist)
{
	it8712f_24mhz_clkin();
	it8712f_enable_serial(0, CONFIG_TTYS0_BASE); // Does not use its 1st parameter
	console_init();
	report_bist_failure(bist);
	enable_smbus();
	dump_spd_registers();
	sdram_set_registers();
	sdram_set_spd_registers();
	sdram_enable();
	dump_spd_registers();
}
コード例 #2
0
ファイル: romstage.c プロジェクト: RafaelRMachado/Coreboot
void main(unsigned long bist)
{
	ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_24);
	ite_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();
	dump_spd_registers();
}
コード例 #3
0
ファイル: romstage.c プロジェクト: AdriDlu/coreboot
void main(unsigned long bist)
{
	int s3resume = 0;

	if (bist == 0)
		enable_lapic();

	/* Force PCIRST# */
	pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, SBR);
	udelay(200 * 1000);
	pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, 0);

	ich7_enable_lpc();
	early_superio_config();

	/* Set up the console */
	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, rebooting properly\n");
		outb(0x6, 0xcf9);
		halt();
	}

	/* Perform some early chipset initialization required
	 * before RAM initialization can work
	 */
	i945_early_initialization();

	/* This has to happen after i945_early_initialization() */
	init_artec_dongle();

	s3resume = southbridge_detect_s3_resume();

	/* Enable SPD ROMs and DDR-II DRAM */
	enable_smbus();

#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8
	dump_spd_registers();
#endif

	sdram_initialize(s3resume ? 2 : 0, NULL);

	/* Perform some initialization that must run before stage2 */
	early_ich7_init();

	/* This should probably go away. Until now it is required
	 * and mainboard specific
	 */
	rcba_config();

	/* Chipset Errata! */
	fixup_i945_errata();

	/* Initialize the internal PCIe links before we go into stage2 */
	i945_late_initialization(s3resume);
}
コード例 #4
0
ファイル: romstage.c プロジェクト: 0ida/coreboot
void main(unsigned long bist)
{
	if (bist == 0) {
#if 0
		enable_lapic();
		init_timer();
#endif
	}

	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	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 0
		dump_spd_registers();
		dump_smbus_registers();
#endif
		sdram_set_registers();
		sdram_set_spd_registers();
		sdram_enable();
	}

#if 0
	dump_pci_devices();
	dump_pci_device(PCI_DEV(0, 0, 0));
#endif
}
コード例 #5
0
ファイル: romstage.c プロジェクト: tidatida/coreboot
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();
}
コード例 #6
0
ファイル: romstage.c プロジェクト: tidatida/coreboot
void main(unsigned long bist)
{
	int s3resume = 0, boot_mode = 0;

	if (bist == 0)
		enable_lapic();

	ich7_enable_lpc();
	/* Enable SuperIO PM */
	lpc47m15x_enable_serial(PME_DEV, 0x680);
	lpc47m15x_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); /* 0x3f8 */

	/* Set up the console */
	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;
	}

	/* Perform some early chipset initialization required
	 * before RAM initialization can work
	 */
	i945_early_initialization();

	s3resume = southbridge_detect_s3_resume();

	/* Enable SPD ROMs and DDR-II DRAM */
	enable_smbus();

#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8
	dump_spd_registers();
#endif

	sdram_initialize(s3resume ? 2 : boot_mode, NULL);

	/* Perform some initialization that must run before stage2 */
	early_ich7_init();

	/* This should probably go away. Until now it is required
	 * and mainboard specific
	 */
	rcba_config();

	/* Chipset Errata! */
	fixup_i945_errata();

	/* Initialize the internal PCIe links before we go into stage2 */
	i945_late_initialization(s3resume);
}
コード例 #7
0
ファイル: romstage.c プロジェクト: Oxyoptia/coreboot
void mainboard_romstage_entry(unsigned long bist)
{
	/* TODO: It's a PC87364 actually! */
	pc87360_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();
}
コード例 #8
0
ファイル: romstage.c プロジェクト: Oxyoptia/coreboot
void mainboard_romstage_entry(unsigned long bist)
{
	winbond_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();
}
コード例 #9
0
ファイル: romstage.c プロジェクト: hustcalm/coreboot-hacking
void main(unsigned long bist)
{
	/* FIXME: It's a Winbond W83977EF, actually. */
	w83977tf_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();
}
コード例 #10
0
ファイル: romstage.c プロジェクト: B-Rich/coreboot
void main(unsigned long bist)
{
    w83627hf_set_clksel_48(DUMMY_DEV);
    winbond_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();
}
コード例 #11
0
ファイル: romstage.c プロジェクト: hustcalm/coreboot-hacking
void main(unsigned long bist)
{
	/* FIXME: Should be PC97307! */
	pc97317_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();
}
コード例 #12
0
ファイル: romstage.c プロジェクト: 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();
}
コード例 #13
0
ファイル: romstage.c プロジェクト: XVilka/coreboot
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
		DIMM0, DIMM2, 0, 0,
		DIMM1, DIMM3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
		DIMM4, DIMM6, 0, 0,
		DIMM5, DIMM7, 0, 0,
#endif
	};

        int needs_reset;
        unsigned bsp_apicid = 0, nodes;
        struct mem_controller ctrl[8];

        if (bist == 0)
                bsp_apicid = init_cpus(cpu_init_detectedx);

//	post_code(0x32);

 	w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
        console_init();

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

        setup_s2881_resource_map();
#if 0
        dump_pci_device(PCI_DEV(0, 0x18, 0));
	dump_pci_device(PCI_DEV(0, 0x19, 0));
#endif

	needs_reset = setup_coherent_ht_domain();

        wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS==1
        // It is said that we should start core1 after all core0 launched
        start_other_cores();
        wait_all_other_cores_started(bsp_apicid);
#endif

        needs_reset |= ht_setup_chains_x();

       	if (needs_reset) {
               	print_info("ht reset -\n");
               	soft_reset();
       	}

	enable_smbus();
#if 0
	dump_spd_registers(&cpu[0]);
	dump_smbus_registers();
#endif

        allow_all_aps_stop(bsp_apicid);

        nodes = get_nodes();
        //It's the time to set ctrl now;
        fill_mem_ctrl(nodes, ctrl, spd_addr);

        memreset_setup();
        sdram_initialize(nodes, ctrl);

#if 0
	dump_pci_devices();
#endif

	post_cache_as_ram();
}
コード例 #14
0
ファイル: romstage.c プロジェクト: lynxis/coreboot-signed
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
		DIMM0, 0, 0, 0,
		DIMM1, 0, 0, 0,
	};

	int needs_reset;
	unsigned bsp_apicid = 0, nodes;
	struct mem_controller ctrl[8];

	if (!cpu_init_detectedx && boot_cpu()) {
		/* Nothing special needs to be done to find bus 0 */
		/* Allow the HT devices to be found */
		enumerate_ht_chain();
		sio_setup();
	}

	if (bist == 0)
		bsp_apicid = init_cpus(cpu_init_detectedx);

//	post_code(0x32);

	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

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

#if 0
	dump_pci_device(PCI_DEV(0, 0x18, 0));
#endif

	needs_reset = setup_coherent_ht_domain();

	wait_all_core0_started();
	// It is said that we should start core1 after all core0 launched
	start_other_cores();
	wait_all_other_cores_started(bsp_apicid);

#if CONFIG_SET_FIDVID
	/* Check to see if processor is capable of changing FIDVID  */
	/* otherwise it will throw a GP# when reading FIDVID_STATUS */
	if ((cpuid_edx(0x80000007) & 0x6) == 0x6) {
		msr_t msr;
		/* Read FIDVID_STATUS */
		msr = rdmsr(0xc0010042);
		printk(BIOS_DEBUG, "begin msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);

		enable_fid_change();
		init_fidvid_bsp(bsp_apicid);

		msr = rdmsr(0xc0010042);
		printk(BIOS_DEBUG, "end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
	}
#endif

	needs_reset |= ht_setup_chains_x();
	needs_reset |= ck804_early_setup_x();
	if (needs_reset) {
		printk(BIOS_INFO, "ht reset -\n");
		soft_reset();
	}

	allow_all_aps_stop(bsp_apicid);

	nodes = get_nodes();
	//It's the time to set ctrl now;
	fill_mem_ctrl(nodes, ctrl, spd_addr);

	enable_smbus();
#if 0
	dump_spd_registers(&cpu[0]);
	dump_smbus_registers();
#endif

	memreset_setup();
	sdram_initialize(nodes, ctrl);

#if 0
	print_pci_devices();
	dump_pci_devices();
#endif

	post_cache_as_ram();
}
コード例 #15
0
ファイル: romstage.c プロジェクト: hustcalm/coreboot-hacking
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr[] = {
		DIMM0, DIMM2, 0, 0,
		DIMM1, DIMM3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
		DIMM4, DIMM6, 0, 0,
		DIMM5, DIMM7, 0, 0,
#endif
	};

	int needs_reset;
	unsigned nodes, bsp_apicid = 0;
	struct mem_controller ctrl[8];

	if (!cpu_init_detectedx && boot_cpu()) {
		/* Nothing special needs to be done to find bus 0 */
		/* Allow the HT devices to be found */
		enumerate_ht_chain();
		sio_setup();
	}

	if (bist == 0)
		bsp_apicid = init_cpus(cpu_init_detectedx);

	it8712f_24mhz_clkin();
	it8712f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

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

#if 0
	dump_pci_device(PCI_DEV(0, 0x18, 0));
#endif

	needs_reset = setup_coherent_ht_domain();

	wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS
	/* It is said that we should start core1 after all core0 launched. */
	start_other_cores();
	wait_all_other_cores_started(bsp_apicid);
#endif

	needs_reset |= ht_setup_chains_x();
	needs_reset |= ck804_early_setup_x();
	if (needs_reset) {
		print_info("ht reset -\n");
		soft_reset();
	}

	allow_all_aps_stop(bsp_apicid);

	nodes = get_nodes();
	/* It's the time to set ctrl now. */
	fill_mem_ctrl(nodes, ctrl, spd_addr);

	enable_smbus();

#if 0
	dump_spd_registers(&ctrl[0]);
	dump_smbus_registers();
#endif

	sdram_initialize(nodes, ctrl);

#if 0
	print_pci_devices();
	dump_pci_devices();
#endif

	post_cache_as_ram();
}
コード例 #16
0
ファイル: romstage.c プロジェクト: RafaelRMachado/Coreboot
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const u16 spd_addr[] = {
		DIMM0, DIMM1, 0, 0,
		0, 0, 0, 0,
		0, 0, 0, 0,
		0, 0, 0, 0,
	};

	int needs_reset;
	unsigned bsp_apicid = 0, nodes;
	struct mem_controller ctrl[8];

	if (!cpu_init_detectedx && boot_cpu()) {
		/* Nothing special needs to be done to find bus 0 */
		/* Allow the HT devices to be found */
		enumerate_ht_chain();
		sio_setup();
	}

	if (bist == 0)
		bsp_apicid = init_cpus(cpu_init_detectedx);

	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

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

	needs_reset = setup_coherent_ht_domain();

	wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS
	// It is said that we should start core1 after all core0 launched
	start_other_cores();
	wait_all_other_cores_started(bsp_apicid);
#endif

	needs_reset |= ht_setup_chains_x();
	needs_reset |= ck804_early_setup_x();
	if (needs_reset) {
		printk(BIOS_INFO, "ht reset -\n");
		soft_reset();
	}

	allow_all_aps_stop(bsp_apicid);

	nodes = get_nodes();
	//It's the time to set ctrl now;
	fill_mem_ctrl(nodes, ctrl, spd_addr);

	enable_smbus();

	ms7135_set_nf4_voltage();
	ms7135_set_ram_voltage();

#if CONFIG_DEBUG_SMBUS
	dump_spd_registers(&ctrl[0]);
	dump_smbus_registers();
#endif

	sdram_initialize(nodes, ctrl);

	post_cache_as_ram();
}
コード例 #17
0
ファイル: romstage.c プロジェクト: siro20/coreboot
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	struct sys_info *sysinfo = &sysinfo_car;

	u32 bsp_apicid = 0, val, wants_reset;
	msr_t msr;

	timestamp_init(timestamp_get());
	timestamp_add_now(TS_START_ROMSTAGE);

	if (!cpu_init_detectedx && boot_cpu()) {
		/* Nothing special needs to be done to find bus 0 */
		/* Allow the HT devices to be found */
		set_bsp_node_CHtExtNodeCfgEn();
		enumerate_ht_chain();
		sio_setup();
	}

	post_code(0x30);

	if (bist == 0)
		bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo);

	post_code(0x32);

	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

	if (CONFIG_MAX_PHYSICAL_CPUS != 2)
		printk(BIOS_WARNING, "CONFIG_MAX_PHYSICAL_CPUS is %d, but this is a dual socket board!\n", CONFIG_MAX_PHYSICAL_CPUS);

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

	val = cpuid_eax(1);
	printk(BIOS_DEBUG, "BSP Family_Model: %08x\n", val);
	printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
	printk(BIOS_DEBUG, "bsp_apicid = %02x\n", bsp_apicid);
	printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx\n", cpu_init_detectedx);

	/* Setup sysinfo defaults */
	set_sysinfo_in_ram(0);

	update_microcode(val);

	post_code(0x33);

	cpuSetAMDMSR(0);
	post_code(0x34);

	amd_ht_init(sysinfo);
	post_code(0x35);

	/* Setup nodes PCI space and start core 0 AP init. */
	finalize_node_setup(sysinfo);

	/* Setup any mainboard PCI settings etc. */
	setup_mb_resource_map();
	post_code(0x36);

	/* wait for all the APs core0 started by finalize_node_setup. */
	/* FIXME: A bunch of cores are going to start output to serial at once.
	 * It would be nice to fix up prink spinlocks for ROM XIP mode.
	 * I think it could be done by putting the spinlock flag in the cache
	 * of the BSP located right after sysinfo.
	 */
	wait_all_core0_started();

	if (IS_ENABLED(CONFIG_SET_FIDVID)) {
		msr = rdmsr(0xc0010071);
		printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);

		post_code(0x39);

		if (!warm_reset_detect(0)) {			// BSP is node 0
			init_fidvid_bsp(bsp_apicid, sysinfo->nodes);
		} else {
			init_fidvid_stage2(bsp_apicid, 0);	// BSP is node 0
		}

		post_code(0x3A);

		/* show final fid and vid */
		msr = rdmsr(0xc0010071);
		printk(BIOS_DEBUG, "End FIDVIDMSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
	}

	if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) {
		/* Core0 on each node is configured. Now setup any additional cores. */
		printk(BIOS_DEBUG, "start_other_cores()\n");
		start_other_cores(bsp_apicid);
		post_code(0x37);
		wait_all_other_cores_started(bsp_apicid);
	}

	printk(BIOS_DEBUG, "set_ck804_base_unit_id()\n");
	ck804_control(ctrl_conf_fix_pci_numbering, ARRAY_SIZE(ctrl_conf_fix_pci_numbering), CK804_BOARD_BOOT_BASE_UNIT_UID);

	post_code(0x38);

	init_timer(); // Need to use TMICT to synconize FID/VID

	wants_reset = ck804_early_setup_x();

	/* Reset for HT, FIDVID, PLL and errata changes to take affect. */
	if (!warm_reset_detect(0)) {
		printk(BIOS_INFO, "...WARM RESET...\n\n\n");
		soft_reset();
		die("After soft_reset_x - shouldn't see this message!!!\n");
	}

	if (wants_reset) {
		printk(BIOS_DEBUG, "ck804_early_setup_x wanted additional reset!\n");
	}

	post_code(0x3B);

	/* It's the time to set ctrl in sysinfo now; */
	printk(BIOS_DEBUG, "fill_mem_ctrl()\n");
	fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
	post_code(0x3D);

	printk(BIOS_DEBUG, "enable_smbus()\n");
	enable_smbus();

#if 0
	/* FIXME
	 * After the AMD K10 code has been converted to use
	 * IS_ENABLED(CONFIG_DEBUG_SMBUS) uncomment this block
	 */
	if (IS_ENABLED(CONFIG_DEBUG_SMBUS)) {
	        dump_spd_registers(&cpu[0]);
        	dump_smbus_registers();
	}
#endif

	post_code(0x40);

	timestamp_add_now(TS_BEFORE_INITRAM);
	printk(BIOS_DEBUG, "raminit_amdmct()\n");
	raminit_amdmct(sysinfo);
	timestamp_add_now(TS_AFTER_INITRAM);

	cbmem_initialize_empty();
	post_code(0x41);

	amdmct_cbmem_store_info(sysinfo);

	printk(BIOS_DEBUG, "disable_spd()\n");
	ck804_control(ctrl_conf_disable_spd, ARRAY_SIZE(ctrl_conf_disable_spd), CK804_DEVN_BASE);

	printk(BIOS_DEBUG, "enable_msi_mapping()\n");
	ck804_control(ctrl_conf_enable_msi_mapping, ARRAY_SIZE(ctrl_conf_enable_msi_mapping), CK804_DEVN_BASE);

	/* Initialize GPIO */
	/* Access SuperIO GPI03 logical device */
	uint16_t port = GPIO3_DEV >> 8;
        outb(0x87, port);
        outb(0x87, port);
	pnp_set_logical_device(GPIO3_DEV);
	/* Set GP37 (power LED) to output */
	pnp_write_config(GPIO3_DEV, 0xf0, 0x7f);
	/* Set GP37 (power LED) on */
	pnp_write_config(GPIO3_DEV, 0xf1, 0x80);
	/* Set pin 64 multiplex to GP37 */
	uint8_t cr2c = pnp_read_config(GPIO3_DEV, 0x2c);
	pnp_write_config(GPIO3_DEV, 0x2c, (cr2c & 0xf3) | 0x04);
	/* Restore default SuperIO access */
	outb(0xaa, port);

	post_cache_as_ram();	// BSP switch stack to ram, copy then execute LB.
	post_code(0x43);	// Should never see this post code.
}
コード例 #18
0
ファイル: romstage.c プロジェクト: bitpick/coreboot
void main(unsigned long bist)
{
	int s3resume = 0;
	const u8 spd_addrmap[2 * DIMM_SOCKETS] = { 0x50, 0x51, 0x52, 0x53 };

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

	if (bist == 0)
		enable_lapic();

	/* Force PCIRST# */
	pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, SBR);
	udelay(200 * 1000);
	pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, 0);

	ich7_enable_lpc();

	/* Set up the console */
	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, rebooting properly.\n");
		outb(0x6, 0xcf9);
		halt();
	}

	/* Perform some early chipset initialization required
	 * before RAM initialization can work
	 */
	i945_early_initialization();

	s3resume = southbridge_detect_s3_resume();

	/* Enable SPD ROMs and DDR-II DRAM */
	enable_smbus();

#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8
	dump_spd_registers();
#endif

	timestamp_add_now(TS_BEFORE_INITRAM);
	sdram_initialize(s3resume ? 2 : 0, spd_addrmap);
	timestamp_add_now(TS_AFTER_INITRAM);

	/* Perform some initialization that must run before stage2 */
	early_ich7_init();

	/* This should probably go away. Until now it is required
	 * and mainboard specific
	 */
	rcba_config();

	/* Chipset Errata! */
	fixup_i945_errata();

	/* Initialize the internal PCIe links before we go into stage2 */
	i945_late_initialization(s3resume);

	timestamp_add_now(TS_END_ROMSTAGE);

}
コード例 #19
0
ファイル: romstage.c プロジェクト: jaanek/coreboot
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
		(0xa<<3)|0, (0xa<<3)|2, 0, 0,
		(0xa<<3)|1, (0xa<<3)|3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
		(0xa<<3)|4, (0xa<<3)|6, 0, 0,
		(0xa<<3)|5, (0xa<<3)|7, 0, 0,
#endif
	};

	int needs_reset;
	unsigned bsp_apicid = 0;

	struct mem_controller ctrl[8];
	unsigned nodes;

	if (!cpu_init_detectedx && boot_cpu()) {
		/* 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();
	}

	if (bist == 0) {
		bsp_apicid = init_cpus(cpu_init_detectedx);
	}

//	post_code(0x32);

 	w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	uart_init();
	console_init();

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

	setup_s2891_resource_map();
#if 0
	dump_pci_device(PCI_DEV(0, 0x18, 0));
	dump_pci_device(PCI_DEV(0, 0x19, 0));
#endif

	needs_reset = setup_coherent_ht_domain();

	wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS==1
	// It is said that we should start core1 after all core0 launched
	start_other_cores();
	wait_all_other_cores_started(bsp_apicid);
#endif

	needs_reset |= ht_setup_chains_x();

	needs_reset |= ck804_early_setup_x();

	if (needs_reset) {
		printk(BIOS_INFO, "ht reset -\n");
		soft_reset();
	}

	allow_all_aps_stop(bsp_apicid);

	nodes = get_nodes();
	//It's the time to set ctrl now;
	fill_mem_ctrl(nodes, ctrl, spd_addr);

	enable_smbus();
#if 0
	dump_spd_registers(&cpu[0]);
#endif
#if 0
	dump_smbus_registers();
#endif

	memreset_setup();
	sdram_initialize(nodes, ctrl);

#if 0
	print_pci_devices();
#endif

#if 0
	dump_pci_devices();
#endif

	post_cache_as_ram();
}