Ejemplo n.º 1
0
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;

	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();

	/* 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();
	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);

#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

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

	wants_reset = mcp55_early_setup_x();

	/* 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");
	}

	if (wants_reset)
		printk(BIOS_DEBUG, "mcp55_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();

	post_code(0x40);

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

	post_cache_as_ram();	// BSP switch stack to ram, copy then execute LB.
	post_code(0x43);	// Should never see this post code.
}
Ejemplo n.º 2
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr [] = {
			// Node 0
			(0xa<<3)|0, (0xa<<3)|2, 0, 0,
			(0xa<<3)|1, (0xa<<3)|3, 0, 0,
			// Node 1
			(0xa<<3)|4, (0xa<<3)|6, 0, 0,
			(0xa<<3)|5, (0xa<<3)|7, 0, 0,
	};

	struct sys_info *sysinfo = (struct sys_info *)(CONFIG_DCACHE_RAM_BASE
		+ CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);

	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();

		/* Setup the mcp55 */
		mcp55_enable_rom();
	}

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

	w83627hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);

	setup_mb_resource_map();

	uart_init();

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

#if CONFIG_USBDEBUG
	mcp55_enable_usbdebug(CONFIG_USBDEBUG_DEFAULT_PORT);
	early_usbdebug_init();
#endif
	console_init();
	printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);

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

#if CONFIG_MEM_TRAIN_SEQ == 1
	set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
#endif
	setup_coherent_ht_domain(); // routing table and start other core0

	wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS==1
	// 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 SET_FIDVID == 1

	{
		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
}
Ejemplo n.º 3
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
}
Ejemplo n.º 4
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);

	/* FIXME: This should be part of the Super I/O code/config. */
	pnp_enter_ext_func_mode(SERIAL_DEV);
	/* Switch CLKSEL to 24MHz (default is 48MHz). Needed for serial! */
	pnp_write_config(SERIAL_DEV, 0x24, 0);
	w83627ehg_enable_dev(SERIAL_DEV, CONFIG_TTYS0_BASE);
	pnp_exit_ext_func_mode(SERIAL_DEV);

	setup_mb_resource_map();
	console_init();
	report_bist_failure(bist); /* Halt upon BIST failure. */

	printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
	print_debug("bsp_apicid=");
	print_debug_hex8(bsp_apicid);
	print_debug("\n");

#if CONFIG_MEM_TRAIN_SEQ == 1
	/* In BSP so could hold all AP until sysinfo is in RAM. */
	set_sysinfo_in_ram(0);
#endif

	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. */

#if CONFIG_SET_FIDVID
	{
		msr_t 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);
	{
		msr_t 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);

	/* bsp switch stack to RAM and copy sysinfo RAM now. */
	post_cache_as_ram();
}
Ejemplo n.º 5
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);

	setup_mb_resource_map();

	dme1737_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	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

	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();

	/* mask NMI from constantly-asserted-on-this-board SERR# */
	outb((inb(NMI_SC) & 0x0f) | PCI_SERR_EN, NMI_SC);

	// 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);

	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
}
Ejemplo n.º 6
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
/* The SPD is being read from the CPU1 (marked CPU2 on the board) and we
   don't know how to switch the SMBus to decode the CPU0 SPDs. So, The
   memory on each CPU must be an exact match.
 */
	static const uint16_t spd_addr[] = {
		// Node 0
		RC0 | DIMM0, RC0 | DIMM2,
		RC0 | DIMM4, RC0 | DIMM6,
		RC0 | DIMM1, RC0 | DIMM3,
		RC0 | DIMM5, RC0 | DIMM7,
		// Node 1
		RC1 | DIMM0, RC1 | DIMM2,
		RC1 | DIMM4, RC1 | DIMM6,
		RC1 | DIMM1, RC1 | DIMM3,
		RC1 | DIMM5, RC1 | DIMM7,
	};

	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);

	w83627hf_set_clksel_48(DUMMY_DEV);
	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);

	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);

	setup_mb_resource_map();

	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
#if CONFIG_DEBUG_SMBUS
	dump_smbus_registers();
#endif
	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

	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);

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

	enable_smbus();		/* enable in sio_setup */

	/* all ap stopped? */

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

	post_cache_as_ram();	// bsp swtich stack to RAM and copy sysinfo RAM now
}
Ejemplo n.º 7
0
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
	static const uint16_t spd_addr[] = {
		// Node 0
		RC0|DIMM0, RC0|DIMM2, RC0|DIMM4, RC0|DIMM6,
		RC0|DIMM1, RC0|DIMM3, RC0|DIMM5, RC0|DIMM7,
		// node 1
		RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
		RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
	};

	unsigned bsp_apicid = 0;
	int needs_reset;
	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();
		sio_setup();
	}

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

	winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
	console_init();

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

	setup_ms9282_resource_map();

	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
	ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn

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

	//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();
}
Ejemplo n.º 8
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();
}