Exemple #1
0
void board_BeforeAgesa(struct sysinfo *cb)
{
	u8 byte;

	/* Enable the AcpiMmio space */
	outb(0x24, 0xcd6);
	outb(0x1, 0xcd7);

	/* Set LPC decode enables. */
	pci_devfn_t dev = PCI_DEV(0, 0x14, 3);
	pci_write_config32(dev, 0x44, 0xff03ffd5);

	if (CONFIG(POST_DEVICE_PCI_PCIE))
		hudson_pci_port80();

	if (CONFIG(POST_DEVICE_LPC))
		hudson_lpc_port80();

	/* enable SIO LPC decode */
	byte = pci_read_config8(dev, 0x48);
	byte |= 3;	/* 2e, 2f */
	pci_write_config8(dev, 0x48, byte);

	/* enable serial decode */
	byte = pci_read_config8(dev, 0x44);
	byte |= (1 << 6);  /* 0x3f8 */
	pci_write_config8(dev, 0x44, byte);

	/* run ite */
	sbxxx_enable_48mhzout();
	ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_48);
	ite_kill_watchdog(GPIO_DEV);
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}
Exemple #2
0
void mainboard_config_superio(void)
{
	setup_sio_gpios();

	/* Early SuperIO setup */
	it8772f_ac_resume_southbridge(DUMMY_DEV);
	ite_kill_watchdog(GPIO_DEV);
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}
Exemple #3
0
void mainboard_pre_console_init(void)
{
	/* Early SuperIO setup */
	it8772f_ac_resume_southbridge(IT8772F_SUPERIO_DEV);
	ite_kill_watchdog(IT8772F_GPIO_DEV);
	ite_enable_serial(IT8772F_SERIAL_DEV, CONFIG_TTYS0_BASE);

	/* Turn On Power LED */
	set_power_led(LED_ON);

}
Exemple #4
0
void main(unsigned long bist)
{
	/* Enable multifunction for northbridge. */
	pci_write_config8(ctrl.d0f0, 0x4f, 0x01);

	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();
	enable_smbus();
	smbus_fixup(&ctrl);
	report_bist_failure(bist);
	ddr_ram_setup(&ctrl);
}
Exemple #5
0
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();
}
Exemple #6
0
void mb_enable_lpc(void)
{
	/* Disable Serial IRQ */
	pci_write_config8(PCI_DEV(0, 0x1f, 0), SERIRQ_CNTL, 0xd0);
	/* Decode range */
	pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC,
		pci_read_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC) | 0x0010);
	pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, CNF1_LPC_EN | KBC_LPC_EN
			   | FDD_LPC_EN | LPT_LPC_EN | COMB_LPC_EN
			   | COMA_LPC_EN);

	/* Environment Controller */
	pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN1_DEC, 0x00fc0a01);

	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}
Exemple #7
0
void pch_enable_lpc(void)
{
	/*
	 * Enable:
	 *  EC Decode Range PortA30/A20
	 *  SuperIO Port2E/2F
	 *  PS/2 Keyboard/Mouse Port60/64
	 *  FDD Port3F0h-3F5h and Port3F7h
	 */
	pci_write_config16(PCH_LPC_DEV, LPC_EN, KBC_LPC_EN | MC_LPC_EN |
			CNF1_LPC_EN | CNF2_LPC_EN | COMA_LPC_EN);

        pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0x3c0a01);
        pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x10);

        pci_write_config32(PCH_LPC_DEV, 0xac, 0x10000);

	/* Initialize SuperIO */
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	it8728f_b75md3h_disable_reboot(SUPERIO_GPIO);
}
Exemple #8
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
		// Node 0
		DIMM0, DIMM2, 0, 0,
		DIMM1, DIMM3, 0, 0,
		// Node 1
		DIMM4, DIMM6, 0, 0,
		DIMM5, DIMM7, 0, 0,
	};

        struct sys_info *sysinfo = &sysinfo_car;
        int needs_reset = 0;
        unsigned bsp_apicid = 0;

        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, sysinfo);

#if 0
	uint8_t tmp = 0;
	pnp_enter_ext_func_mode(SERIAL_DEV);
	/* The following line will set CLKIN to 24 MHz, external */
	pnp_write_config(SERIAL_DEV, IT8716F_CONFIG_REG_CLOCKSEL, 0x11);
	tmp = pnp_read_config(SERIAL_DEV, IT8716F_CONFIG_REG_SWSUSP);
	/* Is serial flash enabled? Then enable writing to serial flash. */
	if (tmp & 0x0e) {
		pnp_write_config(SERIAL_DEV, IT8716F_CONFIG_REG_SWSUSP, tmp | 0x10);
		pnp_set_logical_device(GPIO_DEV);
		/* Set Serial Flash interface to 0x0820 */
		pnp_write_config(GPIO_DEV, 0x64, 0x08);
		pnp_write_config(GPIO_DEV, 0x65, 0x20);
	}
 	it8716f_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
	pnp_exit_ext_func_mode(SERIAL_DEV);
#endif
	ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_48);
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);

        setup_mb_resource_map();

        console_init();

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

	printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);

        print_debug("bsp_apicid="); print_debug_hex8(bsp_apicid); print_debug("\n");

        set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
        setup_coherent_ht_domain(); // routing table and start other core0

        wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS
        // It is said that we should start core1 after all core0 launched
        /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
         * So here need to make sure last core0 is started, esp for two way system,
         * (there may be apic id conflicts in that case)
         */
        start_other_cores();
        wait_all_other_cores_started(bsp_apicid);
#endif

        /* it will set up chains and store link pair for optimization later */
        ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn

#if CONFIG_SET_FIDVID
        {
                msr_t msr;
                msr=rdmsr(0xc0010042);
                print_debug("begin msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
        }
        enable_fid_change();
        enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
        init_fidvid_bsp(bsp_apicid);
        // show final fid and vid
        {
                msr_t msr;
                msr=rdmsr(0xc0010042);
                print_debug("end   msr fid, vid "); print_debug_hex32( msr.hi ); print_debug_hex32(msr.lo); print_debug("\n");
        }
#endif

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

        needs_reset |= optimize_link_coherent_ht();
        needs_reset |= optimize_link_incoherent_ht(sysinfo);
        needs_reset |= mcp55_early_setup_x();

        // fidvid change will issue one LDTSTOP and the HT change will be effective too
        if (needs_reset) {
                print_info("ht reset -\n");
              	soft_reset();
        }
        allow_all_aps_stop(bsp_apicid);

        //It's the time to set ctrl in sysinfo now;
	fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);

        enable_smbus();

        /* all ap stopped? */

        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);

        post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now
}
Exemple #9
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 = 0,
		// 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 = 1333,
		.usb_port_config = {
			{ 1, 0, 0x0080 }, /* P0: Front port  (OC0) */
			{ 1, 1, 0x0040 }, /* P1: Back port   (OC1) */
			{ 1, 0, 0x0040 }, /* P2: MINIPCIE1   (no OC) */
			{ 1, 0, 0x0040 }, /* P3: MMC         (no OC) */
			{ 1, 2, 0x0080 }, /* P4: Front port  (OC2) */
			{ 0, 0, 0x0000 }, /* P5: Empty */
			{ 0, 0, 0x0000 }, /* P6: Empty */
			{ 0, 0, 0x0000 }, /* P7: Empty */
			{ 1, 4, 0x0040 }, /* P8: Back port   (OC4) */
			{ 1, 4, 0x0040 }, /* P9: MINIPCIE3   (no OC) */
			{ 1, 4, 0x0040 }, /* P10: BLUETOOTH  (no OC) */
			{ 0, 4, 0x0000 }, /* P11: Empty */
			{ 1, 6, 0x0040 }, /* P12: Back port  (OC6) */
			{ 1, 5, 0x0040 }, /* P13: Back port  (OC5) */
		},
	};

	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(&stumpy_gpio_map);
	setup_sio_gpios();

	/* Early SuperIO setup */
	it8772f_ac_resume_southbridge(DUMMY_DEV);
	ite_kill_watchdog(GPIO_DEV);
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

	init_bootmode_straps();

	/* 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;

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

	/* Prepare USB controller early in S3 resume */
	if (boot_mode == 2) {
		/*
		 * For Stumpy the back USB ports are reset on resume
		 * so default to resetting the controller to make the
		 * kernel happy.  There is a CMOS flag to disable the
		 * controller reset in case the kernel can tolerate
		 * the device power loss better in the future.
		 */
		u8 magic = cmos_read(CMOS_USB_RESET_DISABLE);

		if (magic == USB_RESET_DISABLE_MAGIC) {
			printk(BIOS_DEBUG, "USB Controller Reset Disabled\n");
			enable_usb_bar();
		} else {
			printk(BIOS_DEBUG, "USB Controller Reset Enabled\n");
		}
	} else {
		/* Ensure USB reset on resume is enabled at boot */
		cmos_write(0, CMOS_USB_RESET_DISABLE);
	}

	post_code(0x39);
	pei_data.boot_mode = boot_mode;
	timestamp_add_now(TS_BEFORE_INITRAM);
	sdram_initialize(&pei_data);

	timestamp_add_now(TS_AFTER_INITRAM);
	post_code(0x3a);
	/* Perform some initialization that must run before stage2 */
	early_pch_init();
	post_code(0x3b);

	rcba_config();
	post_code(0x3c);

	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_LPC_TPM) {
		init_tpm(boot_mode == 2);
	}
}
Exemple #10
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const u16 spd_addr[] = { DIMM0, 0, 0, 0, DIMM1, 0, 0, 0, };
	int needs_reset = 0;
	u32 bsp_apicid = 0;
	msr_t msr;
	struct cpuid_result cpuid1;
	struct sys_info *sysinfo = &sysinfo_car;

	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();
		/* sb600_lpc_port80(); */
		sb600_pci_port80();
	}

	technexion_post_code_init();
	technexion_post_code(LED_MESSAGE_START);

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

	enable_rs690_dev8();
	sb600_lpc_init();

	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	ite_kill_watchdog(GPIO_DEV);

	console_init();

	/* Halt if there was a built in self test failure */
	report_bist_failure(bist);
	printk(BIOS_DEBUG, "bsp_apicid=0x%x\n", bsp_apicid);

	setup_tim5690_resource_map();

	setup_coherent_ht_domain();

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

	ht_setup_chains_x(sysinfo);

	/* run _early_setup before soft-reset. */
	rs690_early_setup();
	sb600_early_setup();

	/* Check to see if processor is capable of changing FIDVID  */
	/* otherwise it will throw a GP# when reading FIDVID_STATUS */
	cpuid1 = cpuid(0x80000007);
	if ((cpuid1.edx & 0x6) == 0x6) {
		/* 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();
		enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
		init_fidvid_bsp(bsp_apicid);

		/* show final fid and vid */
		msr=rdmsr(0xc0010042);
		printk(BIOS_DEBUG, "end msr fid, vid: hi=0x%x, lo=0x%x\n", msr.hi, msr.lo);
	} else {
		printk(BIOS_DEBUG, "Changing FIDVID not supported\n");
	}

	needs_reset = optimize_link_coherent_ht();
	needs_reset |= optimize_link_incoherent_ht(sysinfo);
	rs690_htinit();
	printk(BIOS_DEBUG, "needs_reset=0x%x\n", needs_reset);

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

	speaker_init(255);
	speaker_on_nodelay();

	allow_all_aps_stop(bsp_apicid);

	/* It's the time to set ctrl now; */
	printk(BIOS_DEBUG, "sysinfo->nodes: %2x  sysinfo->ctrl: %p  spd_addr: %p\n",
		     sysinfo->nodes, sysinfo->ctrl, spd_addr);

	fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);

	technexion_post_code(LED_MESSAGE_RAM);

	sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);

	speaker_off_nodelay();

	rs690_before_pci_init();
	sb600_before_pci_init();

	post_cache_as_ram();
}
Exemple #11
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr[] = {
		// Node 0
		DIMM0, DIMM2, 0, 0,
		DIMM1, DIMM3, 0, 0,
		// Node 1
		DIMM4, DIMM6, 0, 0,
		DIMM5, DIMM7, 0, 0,
	};
	unsigned bsp_apicid = 0;
	int needs_reset = 0;
	struct sys_info *sysinfo = &sysinfo_car;

	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	it8712f_kill_watchdog();
	it8712f_enable_3vsbsw();
	console_init();
	enable_rom_decode();

	printk(BIOS_INFO, "now booting... \n");

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

	/* Halt if there was a built in self test failure. */
	report_bist_failure(bist);
	setup_default_resource_map();
	setup_coherent_ht_domain();
	wait_all_core0_started();

	printk(BIOS_INFO, "now booting... All core 0 started\n");

#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
	init_timer();
	ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */

	needs_reset = optimize_link_coherent_ht();
	print_debug_hex8(needs_reset);
	needs_reset |= optimize_link_incoherent_ht(sysinfo);
	print_debug_hex8(needs_reset);
	needs_reset |= k8t890_early_setup_ht();
	print_debug_hex8(needs_reset);

	vt8237_early_network_init(NULL);
	vt8237_early_spi_init();

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

	/* the HT settings needs to be OK, because link freq chnage may cause HT disconnect */
	/* allow LDT STOP asserts */
	vt8237_sb_enable_fid_vid();

	enable_fid_change();
	print_debug("after enable_fid_change\n");

	init_fidvid_bsp(bsp_apicid);

	/* Stop the APs so we can start them later in init. */
	allow_all_aps_stop(bsp_apicid);

	/* It's the time to set ctrl now. */
	fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
	enable_smbus();
	sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
	post_cache_as_ram();
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	u32 val;

	if (!cpu_init_detectedx && boot_cpu()) {

		ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
		console_init();

		/*
		 * SR5650/5670/5690 RD890 chipset, read pci config space hang at POR,
		 * Disable all Pcie Bridges to work around It.
		 */
		sr56x0_rd890_disable_pcie_bridge();

	}

	post_code(0x32);
	val = agesawrapper_amdinitmmio();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitmmio failed: %x \n", val);
	} else {
		printk(BIOS_DEBUG, "agesawrapper_amdinitmmio passed\n");
	}

	/* Halt if there was a built in self test failure */
	post_code(0x33);
	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);

	if(boot_cpu()) {
		post_code(0x34);
		sb_Poweron_Init();
	}

	post_code(0x35);
	val = agesawrapper_amdinitreset();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
	} else {
		printk(BIOS_DEBUG, "agesawrapper_amdinitreset passed\n");
	}

	post_code(0x36);
	val = agesawrapper_amdinitearly ();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
	} else {
		printk(BIOS_DEBUG, "agesawrapper_amdinitearly passed\n");
	}

	post_code(0x37);
	nb_Poweron_Init();
	post_code(0x38);
	nb_Ht_Init();


	post_code(0x39);
	val = agesawrapper_amdinitpost ();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
	} else {
		printk(BIOS_DEBUG, "agesawrapper_amdinitpost passed\n");
	}

	post_code(0x40);
	val = agesawrapper_amdinitenv ();
	if (val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
	} else {
		printk(BIOS_DEBUG, "agesawrapper_amdinitenv passed\n");
	}


	post_code(0x43);
	print_debug("Disabling cache as ram ");
	disable_cache_as_ram();
	print_debug("done\n");

	post_code(0x44);
	copy_and_run();

	post_code(0x45);  // Should never see this post code.
}
Exemple #13
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
		// Node 0
		DIMM0, DIMM2, 0, 0,
		DIMM1, DIMM3, 0, 0,
		// Node 1
		DIMM4, DIMM6, 0, 0,
		DIMM5, DIMM7, 0, 0,
	};

        struct sys_info *sysinfo = &sysinfo_car;
        int needs_reset = 0;
        unsigned bsp_apicid = 0;

        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, sysinfo);

	ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_48);
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);

        setup_mb_resource_map();

        console_init();

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

	printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);

        printk(BIOS_DEBUG, "bsp_apicid=%02x\n", bsp_apicid);

        set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
        setup_coherent_ht_domain(); // routing table and start other core0

        wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS
        // It is said that we should start core1 after all core0 launched
        /* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
         * So here need to make sure last core0 is started, esp for two way system,
         * (there may be apic id conflicts in that case)
         */
        start_other_cores();
        wait_all_other_cores_started(bsp_apicid);
#endif

        /* it will set up chains and store link pair for optimization later */
        ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn

#if CONFIG_SET_FIDVID
        {
                msr_t msr;
                msr=rdmsr(0xc0010042);
                printk(BIOS_DEBUG, "begin msr fid, vid %08x%08x\n", msr.hi, msr.lo);
        }
        enable_fid_change();
        enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
        init_fidvid_bsp(bsp_apicid);
        // show final fid and vid
        {
                msr_t msr;
                msr=rdmsr(0xc0010042);
                printk(BIOS_DEBUG, "end   msr fid, vid %08x%08x\n", msr.hi, msr.lo);
        }
#endif

        needs_reset |= optimize_link_coherent_ht();
        needs_reset |= optimize_link_incoherent_ht(sysinfo);

        // fidvid change will issue one LDTSTOP and the HT change will be effective too
        if (needs_reset) {
                printk(BIOS_INFO, "ht reset -\n");
              	soft_reset();
        }
        allow_all_aps_stop(bsp_apicid);

        //It's the time to set ctrl in sysinfo now;
	fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);

        sis_init_stage1();
        enable_smbus();

        //do we need apci timer, tsc...., only debug need it for better output
        /* all ap stopped? */
//        init_timer(); // Need to use TMICT to synchronize FID/VID

        sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);

        sis_init_stage2();
        post_cache_as_ram(); // bsp swtich stack to ram and copy sysinfo ram now
}
Exemple #14
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const u16 spd_addr[] = {
		DIMM0, DIMM2, 0, 0,	/* Channel A (DIMM_A1, DIMM_A2) */
		DIMM1, DIMM3, 0, 0,	/* Channel B (DIMM_B1, DIMM_B2) */
	};

	struct sys_info *sysinfo = &sysinfo_car;
	int needs_reset = 0;
	unsigned bsp_apicid = 0;

	if (!cpu_init_detectedx && boot_cpu()) {
		/* Allow the HT devices to be found. */
		enumerate_ht_chain();
		sio_setup();
	}

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

	ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_24);
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);

	setup_mb_resource_map();
	report_bist_failure(bist);
	console_init();

	printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo, sysinfo + 1);
	printk(BIOS_DEBUG, "bsp_apicid=0x%02x\n", bsp_apicid);

	/* In BSP so could hold all AP until sysinfo is in RAM. */
	set_sysinfo_in_ram(0);

	setup_coherent_ht_domain(); /* Routing table and start other core0. */
	wait_all_core0_started();

#if CONFIG_LOGICAL_CPUS
	/*
	 * It is said that we should start core1 after all core0 launched
	 * becase optimize_link_coherent_ht is moved out from
	 * setup_coherent_ht_domain, so here need to make sure last core0 is
	 * started, esp for two way system (there may be APIC ID conflicts in
	 * that case).
	 */
	start_other_cores();
	wait_all_other_cores_started(bsp_apicid);
#endif

	/* Set up chains and store link pair for optimization later. */
	ht_setup_chains_x(sysinfo); /* Init sblnk and sbbusn, nodes, sbdn. */

	/* TODO: FIDVID */

	init_timer(); /* Need to use TMICT to synchronize FID/VID. */

	needs_reset |= optimize_link_coherent_ht();
	needs_reset |= optimize_link_incoherent_ht(sysinfo);
	needs_reset |= mcp55_early_setup_x();

	/*
	 * FIDVID change will issue one LDTSTOP and the HT change will be
	 * effective too.
	 */
	if (needs_reset) {
		printk(BIOS_INFO, "ht reset -\n");
		soft_reset();
	}
	allow_all_aps_stop(bsp_apicid);

	fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);

	enable_smbus();

	sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);

	/* BSP switch stack to RAM and copy sysinfo RAM now. */
	post_cache_as_ram();
}
Exemple #15
0
void mainboard_romstage_entry(unsigned long bist)
{
	struct pei_data pei_data = {
		.pei_version = PEI_VERSION,
		.mchbar = (uintptr_t)DEFAULT_MCHBAR,
		.dmibar = (uintptr_t)DEFAULT_DMIBAR,
		.epbar = DEFAULT_EPBAR,
		.pciexbar = DEFAULT_PCIEXBAR,
		.smbusbar = SMBUS_IO_BASE,
		.wdbbar = 0x4000000,
		.wdbsize = 0x1000,
		.hpet_address = HPET_ADDR,
		.rcba = (uintptr_t)DEFAULT_RCBA,
		.pmbase = DEFAULT_PMBASE,
		.gpiobase = DEFAULT_GPIOBASE,
		.temp_mmio_base = 0xfed08000,
		.system_type = 5, /* ULT */
		.tseg_size = CONFIG_SMM_TSEG_SIZE,
		.spd_addresses = { 0xa0, 0x00, 0xa4, 0x00 },
		.ec_present = 0,
		// 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,
		// Enable 2x refresh mode
		.ddr_refresh_2x = 1,
		.dq_pins_interleaved = 1,
		.max_ddr3_freq = 1600,
		.usb_xhci_on_resume = 1,
		.usb2_ports = {
			/* Length, Enable, OCn#, Location */
			{ 0x0064, 1, 0,               /* P0: VP8 */
			  USB_PORT_MINI_PCIE },
			{ 0x0040, 1, 0,               /* P1: Port A, CN22 */
			  USB_PORT_INTERNAL },
			{ 0x0040, 1, 1,		      /* P2: Port B, CN23 */
			  USB_PORT_INTERNAL },
			{ 0x0040, 1, USB_OC_PIN_SKIP, /* P3: WLAN */
			  USB_PORT_INTERNAL },
			{ 0x0040, 1, 2,		      /* P4: Port C, CN25 */
			  USB_PORT_INTERNAL },
			{ 0x0040, 1, 2,		      /* P5: Port D, CN25 */
			  USB_PORT_INTERNAL },
			{ 0x0040, 1, USB_OC_PIN_SKIP, /* P6: Card Reader */
			  USB_PORT_INTERNAL },
			{ 0x0000, 0, 0,               /* P7: N/C */
			  USB_PORT_SKIP },
		},
		.usb3_ports = {
			/* Enable, OCn# */
			{ 1, 0 }, /* P1; CN22 */
			{ 1, 1 }, /* P2; CN23  */
			{ 1, 2 }, /* P3; CN25 */
			{ 1, 2 }, /* P4; CN25 */
		},
	};

	struct romstage_params romstage_params = {
		.pei_data = &pei_data,
		.gpio_map = &mainboard_gpio_map,
		.rcba_config = &rcba_config[0],
		.bist = bist,
	};

	/* Early SuperIO setup */
	ite_kill_watchdog(IT8772F_GPIO_DEV);
	it8772f_ac_resume_southbridge(IT8772F_DUMMY_DEV);
	pch_enable_lpc();
    ite_enable_serial(IT8772F_SERIAL_DEV, CONFIG_TTYS0_BASE);

    /* Turn on Power LED GP22 for Tricky */
	it8772f_gpio_led(IT8772F_GPIO_DEV, 2 /* set */, 0xF7 /* select */,
		0x04 /* polarity: inverting */, 0x00 /* 0=pulldown */,
		0x04 /* output */, 0x04 /* 1=Simple IO function */,
		SIO_GPIO_BLINK_GPIO22, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);

	/* Call into the real romstage main with this board's attributes. */
	romstage_common(&romstage_params);
}
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	u32 val;
	u8 byte;
	device_t dev;

#if IS_ENABLED(CONFIG_POST_DEVICE_PCI_PCIE)
	hudson_pci_port80();
#endif
#if IS_ENABLED(CONFIG_POST_DEVICE_LPC)
	hudson_lpc_port80();
#endif

	val = agesawrapper_amdinitmmio();

	if (!cpu_init_detectedx && boot_cpu()) {

		/* enable SIO LPC decode */
		dev = PCI_DEV(0, 0x14, 3);
		byte = pci_read_config8(dev, 0x48);
		byte |= 3;		/* 2e, 2f */
		pci_write_config8(dev, 0x48, byte);

		/* enable serial decode */
		byte = pci_read_config8(dev, 0x44);
		byte |= (1 << 6);  /* 0x3f8 */
		pci_write_config8(dev, 0x44, byte);

		post_code(0x30);

                /* enable SB MMIO space */
		outb(0x24, 0xcd6);
		outb(0x1, 0xcd7);

		/* enable SIO clock */
		sbxxx_enable_48mhzout();
		ite_kill_watchdog(GPIO_DEV);
		ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
		ite_enable_3vsbsw(GPIO_DEV);
		console_init();

		/* turn on secondary smbus at b20 */
		outb(0x28, 0xcd6);
		byte = inb(0xcd7);
		byte |= 1;
		outb(byte, 0xcd7);

		/* set DDR3 voltage */
		byte = CONFIG_BOARD_ASUS_F2A85_M_DDR3_VOLT_VAL;

		/* default is byte = 0x0, so no need to set it in this case */
		if (byte)
			do_smbus_write_byte(0xb20, 0x15, 0x3, byte);
	}

	/* 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);
	printk(BIOS_DEBUG, "agesawrapper_amdinitreset ");
	val = agesawrapper_amdinitreset();
	if(val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
	}

	post_code(0x39);

	val = agesawrapper_amdinitearly ();
	if(val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
	}
	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n");

	int s3resume = acpi_is_wakeup_early() && acpi_s3_resume_allowed();
	if (!s3resume) {
		post_code(0x40);
		val = agesawrapper_amdinitpost ();
		if(val) {
			printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
		}
		printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n");

		post_code(0x41);
		val = agesawrapper_amdinitenv ();
		if(val) {
			printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
		}
		printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n");
		disable_cache_as_ram();
	} 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);
		prepare_for_resume();
	}

	post_code(0x50);
	copy_and_run();

	post_code(0x54);  /* Should never see this post code. */
}
Exemple #17
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	struct sys_info *sysinfo = &sysinfo_car;
	static const u8 spd_addr[] = {RC00, DIMM0, DIMM2, 0, 0, DIMM1, DIMM3, 0, 0, };
	u32 bsp_apicid = 0, val;
	msr_t msr;

	if (!cpu_init_detectedx && boot_cpu()) {
		/* Nothing special needs to be done to find bus 0 */
		/* Allow the HT devices to be found */
		/* mov bsp to bus 0xff when > 8 nodes */
		set_bsp_node_CHtExtNodeCfgEn();
		enumerate_ht_chain();
		sb7xx_51xx_pci_port80();
	}

	post_code(0x30);

	if (bist == 0) {
		bsp_apicid = init_cpus(cpu_init_detectedx, sysinfo); /* mmconf is inited in init_cpus */
		/* All cores run this but the BSP(node0,core0) is the only core that returns. */
	}

	post_code(0x32);

	enable_rs780_dev8();
	sb7xx_51xx_lpc_init();

	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	ite_kill_watchdog(GPIO_DEV);

	console_init();

//	dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);

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

	// Load MPB
	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();
	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 fixup 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 CONFIG_LOGICAL_CPUS
	/* Core0 on each node is configured. Now setup any additional cores. */
	printk(BIOS_DEBUG, "start_other_cores()\n");
	start_other_cores();
	post_code(0x37);
	wait_all_other_cores_started(bsp_apicid);
 #endif

	post_code(0x38);

	/* run _early_setup before soft-reset. */
	rs780_early_setup();
	sb7xx_51xx_early_setup();

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

	/* FIXME: The sb fid change may survive the warm reset and only
	   need to be done once.*/
	enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);

	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);
 #endif

	rs780_htinit();

	/* Reset for HT, FIDVID, PLL and errata changes to take affect. */
	if (!warm_reset_detect(0)) {
		print_info("...WARM RESET...\n\n\n");
		soft_reset();
		die("After soft_reset_x - shouldn't see this message!!!\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(0x40);

//	die("Die Before MCT init.");

	printk(BIOS_DEBUG, "raminit_amdmct()\n");
	raminit_amdmct(sysinfo);
	post_code(0x41);

/*
	dump_pci_device_range(PCI_DEV(0, 0x18, 0), 0, 0x200);
	dump_pci_device_range(PCI_DEV(0, 0x18, 1), 0, 0x200);
	dump_pci_device_range(PCI_DEV(0, 0x18, 2), 0, 0x200);
	dump_pci_device_range(PCI_DEV(0, 0x18, 3), 0, 0x200);
*/

//	die("After MCT init before CAR disabled.");

	rs780_before_pci_init();
	sb7xx_51xx_before_pci_init();

	post_code(0x42);
	post_cache_as_ram();	// BSP switch stack to ram, copy then execute LB.
	post_code(0x43);	// Should never see this post code.
}
Exemple #18
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	u32 val;
	u8 byte;
	device_t dev;

#if IS_ENABLED(CONFIG_POST_DEVICE_PCI_PCIE)
	hudson_pci_port80();
#endif
#if IS_ENABLED(CONFIG_POST_DEVICE_LPC)
	hudson_lpc_port80();
#endif

#if CONFIG_HAVE_ACPI_RESUME
	void *resume_backup_memory;
#endif
	val = agesawrapper_amdinitmmio();

	if (!cpu_init_detectedx && boot_cpu()) {

		/* enable SIO LPC decode */
		dev = PCI_DEV(0, 0x14, 3);
		byte = pci_read_config8(dev, 0x48);
		byte |= 3;		/* 2e, 2f */
		pci_write_config8(dev, 0x48, byte);

		/* enable serial decode */
		byte = pci_read_config8(dev, 0x44);
		byte |= (1 << 6);  /* 0x3f8 */
		pci_write_config8(dev, 0x44, byte);

		post_code(0x30);

                /* enable SB MMIO space */
		outb(0x24, 0xcd6);
		outb(0x1, 0xcd7);

		/* enable SIO clock */
		sbxxx_enable_48mhzout();
		ite_kill_watchdog(GPIO_DEV);
		ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
		ite_enable_3vsbsw(GPIO_DEV);
		console_init();

		/* turn on secondary smbus at b20 */
		outb(0x28, 0xcd6);
		byte = inb(0xcd7);
		byte |= 1;
		outb(byte, 0xcd7);

		/* set DDR3 voltage */
		byte = CONFIG_BOARD_ASUS_F2A85_M_DDR3_VOLT_VAL;

		/* default is byte = 0x0, so no need to set it in this case */
		if (byte)
			do_smbus_write_byte(0xb20, 0x15, 0x3, byte);
	}

	/* 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);
	printk(BIOS_DEBUG, "agesawrapper_amdinitreset ");
	val = agesawrapper_amdinitreset();
	if(val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitreset failed: %x \n", val);
	}

	post_code(0x39);

	val = agesawrapper_amdinitearly ();
	if(val) {
		printk(BIOS_DEBUG, "agesawrapper_amdinitearly failed: %x \n", val);
	}
	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitearly\n");

#if CONFIG_HAVE_ACPI_RESUME
	if (!acpi_is_wakeup_early()) {		/* Check for S3 resume */
#endif
		post_code(0x40);
		val = agesawrapper_amdinitpost ();
		if(val) {
			printk(BIOS_DEBUG, "agesawrapper_amdinitpost failed: %x \n", val);
		}
		printk(BIOS_DEBUG, "Got past agesawrapper_amdinitpost\n");

		post_code(0x41);
		val = agesawrapper_amdinitenv ();
		if(val) {
			printk(BIOS_DEBUG, "agesawrapper_amdinitenv failed: %x \n", val);
		}
		printk(BIOS_DEBUG, "Got past agesawrapper_amdinitenv\n");
		disable_cache_as_ram();
#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 = (void *)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

	post_code(0x50);
	copy_and_run();

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