Exemplo n.º 1
0
static void get_smm_info(uintptr_t *perm_smbase, size_t *perm_smsize,
				size_t *smm_save_state_size)
{
	/* All range registers are aligned to 4KiB */
	const uint32_t rmask = ~((1 << 12) - 1);

	/* Initialize global tracking state. */
	relo_attrs.smbase = (uint32_t)smm_region_start();
	relo_attrs.smrr_base = relo_attrs.smbase | MTRR_TYPE_WRBACK;
	relo_attrs.smrr_mask = ~(smm_region_size() - 1) & rmask;
	relo_attrs.smrr_mask |= MTRR_PHYS_MASK_VALID;

	*perm_smbase = relo_attrs.smbase;
	*perm_smsize = smm_region_size() - CONFIG_SMM_RESERVED_SIZE;
	*smm_save_state_size = sizeof(em64t100_smm_state_save_area_t);
}
Exemplo n.º 2
0
static int smm_load_handlers(void)
{
	/* All range registers are aligned to 4KiB */
	const uint32_t rmask = ~((1 << 12) - 1);
	const struct pattrs *pattrs = pattrs_get();

	/* Initialize global tracking state. */
	relo_attrs.smbase = (uint32_t)smm_region_start();
	relo_attrs.smrr_base = relo_attrs.smbase | MTRR_TYPE_WRBACK;
	relo_attrs.smrr_mask = ~(smm_region_size() - 1) & rmask;
	relo_attrs.smrr_mask |= MTRR_PHYS_MASK_VALID;

	/* Install handlers. */
	if (install_relocation_handler(pattrs->num_cpus) < 0) {
		printk(BIOS_ERR, "Unable to install SMM relocation handler.\n");
		return -1;
	}

	if (install_permanent_handler(pattrs->num_cpus) < 0) {
		printk(BIOS_ERR, "Unable to install SMM permanent handler.\n");
		return -1;
	}

	/* Ensure the SMM handlers hit DRAM before performing first SMI. */
	wbinvd();

	return 0;
}
Exemplo n.º 3
0
struct ramstage_cache *ramstage_cache_location(long *size)
{
	/* The ramstage cache lives in the TSEG region.
	 * The top of ram is defined to be the TSEG base address. */
	u32 offset = smm_region_size();
	offset -= CONFIG_IED_REGION_SIZE;
	offset -= CONFIG_SMM_RESERVED_SIZE;

	*size = CONFIG_SMM_RESERVED_SIZE;
	return (void *)(cbmem_top() + offset);
}
Exemplo n.º 4
0
void stage_cache_external_region(void **base, size_t *size)
{
	char *smm_base;
	/* 1MiB cache size */
	const long cache_size = CONFIG_SMM_RESERVED_SIZE;

	/* Ramstage cache lives in TSEG region which is the definition of
	 * cbmem_top(). */
	smm_base = cbmem_top();
	*size = cache_size;
	*base = &smm_base[smm_region_size() - cache_size];
}
Exemplo n.º 5
0
struct ramstage_cache *ramstage_cache_location(long *size)
{
	char *smm_base;
	/* 1MiB cache size */
	const long cache_size = CONFIG_SMM_RESERVED_SIZE;

	/* Ramstage cache lives in TSEG region which is the definition of
	 * cbmem_top(). */
	smm_base = cbmem_top();
	*size = cache_size;
	return (void *)&smm_base[smm_region_size() - cache_size];
}
Exemplo n.º 6
0
static int install_relocation_handler(int num_cpus)
{
	const int save_state_size = sizeof(em64t100_smm_state_save_area_t);

	struct smm_loader_params smm_params = {
		.per_cpu_stack_size = save_state_size,
		.num_concurrent_stacks = num_cpus,
		.per_cpu_save_state_size = save_state_size,
		.num_concurrent_save_states = 1,
		.handler = (smm_handler_t)&cpu_smm_do_relocation,
	};

	if (smm_setup_relocation_handler(&smm_params))
		return -1;

	adjust_apic_id_map(&smm_params);

	return 0;
}

static int install_permanent_handler(int num_cpus)
{
#ifndef CONFIG_SMM_RESERVED_SIZE
#error CONFIG_SMM_RESERVED_SIZE must be set.
#endif
	/* There are num_cpus concurrent stacks and num_cpus concurrent save
	 * state areas. Lastly, set the stack size to the save state size. */
	int save_state_size = sizeof(em64t100_smm_state_save_area_t);
	struct smm_loader_params smm_params = {
		.per_cpu_stack_size = save_state_size,
		.num_concurrent_stacks = num_cpus,
		.per_cpu_save_state_size = save_state_size,
		.num_concurrent_save_states = num_cpus,
	};
	const int tseg_size = smm_region_size() - CONFIG_SMM_RESERVED_SIZE;

	printk(BIOS_DEBUG, "Installing SMM handler to 0x%08x\n",
	       relo_attrs.smbase);

	if (smm_load_module((void *)relo_attrs.smbase, tseg_size, &smm_params))
		return -1;

	adjust_apic_id_map(&smm_params);

	return 0;
}
Exemplo n.º 7
0
void broadwell_fill_pei_data(struct pei_data *pei_data)
{
	pei_data->pei_version = PEI_VERSION;
	pei_data->board_type = BOARD_TYPE_ULT;
	pei_data->usbdebug = CONFIG_USBDEBUG;
	pei_data->pciexbar = MCFG_BASE_ADDRESS;
	pei_data->smbusbar = SMBUS_BASE_ADDRESS;
	pei_data->ehcibar = EARLY_EHCI_BAR;
	pei_data->xhcibar = EARLY_XHCI_BAR;
	pei_data->gttbar = EARLY_GTT_BAR;
	pei_data->pmbase = ACPI_BASE_ADDRESS;
	pei_data->gpiobase = GPIO_BASE_ADDRESS;
	pei_data->tseg_size = smm_region_size();
	pei_data->temp_mmio_base = EARLY_TEMP_MMIO;
	pei_data->tx_byte = &send_to_console;
	pei_data->ddr_refresh_2x = 1;
}
Exemplo n.º 8
0
size_t mmap_region_granluarity(void)
{
	/* Align to TSEG size when SMM is in use, and 8MiB by default */
	return IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) ? smm_region_size()
		: 8 << 20;
}
Exemplo n.º 9
0
void smm_region(void **start, size_t *size)
{
	*start = (void *)((iosf_bunit_read(BUNIT_SMRRL) & 0xFFFF) << 20);
	*size = smm_region_size();
}
Exemplo n.º 10
0
void smm_region(void **start, size_t *size)
{
	*start = (void *)smm_region_start();
	*size = smm_region_size();
}
Exemplo n.º 11
0
/**
 * Update the UPD data based on values from devicetree.cb
 *
 * @param UpdData Pointer to the UPD Data structure
 */
static void ConfigureDefaultUpdData(FSP_INFO_HEADER *FspInfo, UPD_DATA_REGION *UpdData)
{
	ROMSTAGE_CONST struct device *dev;
	ROMSTAGE_CONST config_t *config;
	printk(FSP_INFO_LEVEL, "Configure Default UPD Data\n");

	dev = dev_find_slot(0, SOC_DEV_FUNC);
	config = dev->chip_info;

	/* Set up default verb tables - Just HDMI audio */
	UpdData->AzaliaConfigPtr = (UINT32)&mAzaliaConfig;

	/* Set SPD addresses */
	UPD_SPD_CHECK(PcdMrcInitSPDAddr1);
	UPD_SPD_CHECK(PcdMrcInitSPDAddr2);

	UPD_DEFAULT_CHECK(PcdSataMode);
	UPD_DEFAULT_CHECK(PcdLpssSioEnablePciMode);
	UPD_DEFAULT_CHECK(PcdMrcInitMmioSize);
	UPD_DEFAULT_CHECK(PcdIgdDvmt50PreAlloc);
	UPD_DEFAULT_CHECK(PcdApertureSize);
	UPD_DEFAULT_CHECK(PcdGttSize);
	UPD_DEFAULT_CHECK(SerialDebugPortAddress);
	UPD_DEFAULT_CHECK(SerialDebugPortType);
	UPD_DEFAULT_CHECK(PcdMrcDebugMsg);
	UPD_DEFAULT_CHECK(PcdSccEnablePciMode);
	UPD_DEFAULT_CHECK(IgdRenderStandby);
	UPD_DEFAULT_CHECK(TxeUmaEnable);
	UPD_DEFAULT_CHECK(PcdOsSelection);
	UPD_DEFAULT_CHECK(PcdEMMC45DDR50Enabled);
	UPD_DEFAULT_CHECK(PcdEMMC45HS200Enabled);
	UPD_DEFAULT_CHECK(PcdEMMC45RetuneTimerValue);
	UPD_DEFAULT_CHECK(PcdEnableIgd);

	if ((config->PcdeMMCBootMode != EMMC_USE_DEFAULT) ||
			(config->PcdeMMCBootMode != EMMC_FOLLOWS_DEVICETREE))
		UpdData->PcdeMMCBootMode = config->PcdeMMCBootMode;

	UpdData->PcdMrcInitTsegSize = smm_region_size() >> 20;

	printk(FSP_INFO_LEVEL, "GTT Size:\t\t%d MB\n", UpdData->PcdGttSize);
	printk(FSP_INFO_LEVEL, "Tseg Size:\t\t%d MB\n", UpdData->PcdMrcInitTsegSize);
	printk(FSP_INFO_LEVEL, "Aperture Size:\t\t%d MB\n",
		APERTURE_SIZE_BASE << UpdData->PcdApertureSize);
	printk(FSP_INFO_LEVEL, "IGD Memory Size:\t%d MB\n",
		UpdData->PcdIgdDvmt50PreAlloc * IGD_MEMSIZE_MULTIPLIER);
	printk(FSP_INFO_LEVEL, "MMIO Size:\t\t%d MB\n", UpdData->PcdMrcInitMmioSize);

	/* Advance dev to PCI device 0.0 */
	for (dev = &dev_root; dev; dev = dev_find_next_pci_device(dev)){
		if (dev->path.type != DEVICE_PATH_PCI)
			continue;
		if (dev->path.pci.devfn == PCI_DEVFN(0x0,0))
			break;
	}

	/*
	 * Loop through all the SOC devices in the devicetree
	 *  enabling and disabling them as requested.
	 */
	for (; dev; dev = dev->sibling) {

		if (dev->path.type != DEVICE_PATH_PCI)
			continue;

		switch (dev->path.pci.devfn) {
			UPD_DEVICE_CHECK(SDIO_DEV_FUNC, PcdEnableSdio, "Sdio:\t\t\t");
			UPD_DEVICE_CHECK(SD_DEV_FUNC, PcdEnableSdcard, "Sdcard:\t\t\t");
			UPD_DEVICE_CHECK(SIO_DMA1_DEV_FUNC, PcdEnableDma0, "SIO Dma 0:\t\t");
			UPD_DEVICE_CHECK(I2C1_DEV_FUNC, PcdEnableI2C0, "SIO I2C0:\t\t");
			UPD_DEVICE_CHECK(I2C2_DEV_FUNC, PcdEnableI2C1, "SIO I2C1:\t\t");
			UPD_DEVICE_CHECK(I2C3_DEV_FUNC, PcdEnableI2C2, "SIO I2C2:\t\t");
			UPD_DEVICE_CHECK(I2C4_DEV_FUNC, PcdEnableI2C3, "SIO I2C3:\t\t");
			UPD_DEVICE_CHECK(I2C5_DEV_FUNC, PcdEnableI2C4, "SIO I2C4:\t\t");
			UPD_DEVICE_CHECK(I2C6_DEV_FUNC, PcdEnableI2C5, "SIO I2C5:\t\t");
			UPD_DEVICE_CHECK(I2C7_DEV_FUNC, PcdEnableI2C6, "SIO I2C6:\t\t");
			UPD_DEVICE_CHECK(SIO_DMA2_DEV_FUNC, PcdEnableDma1, "SIO Dma1:\t\t");
			UPD_DEVICE_CHECK(PWM1_DEV_FUNC, PcdEnablePwm0, "Pwm0:\t\t\t");
			UPD_DEVICE_CHECK(PWM2_DEV_FUNC, PcdEnablePwm1, "Pwm1:\t\t\t");
			UPD_DEVICE_CHECK(HSUART1_DEV_FUNC, PcdEnableHsuart0, "Hsuart0:\t\t");
			UPD_DEVICE_CHECK(HSUART2_DEV_FUNC, PcdEnableHsuart1, "Hsuart1:\t\t");
			UPD_DEVICE_CHECK(SPI_DEV_FUNC, PcdEnableSpi, "Spi:\t\t\t");
			UPD_DEVICE_CHECK(SATA_DEV_FUNC, PcdEnableSata, "SATA:\t\t\t");
			UPD_DEVICE_CHECK(HDA_DEV_FUNC, PcdEnableAzalia, "Azalia:\t\t\t");

			case MIPI_DEV_FUNC:	/* Camera / Image Signal Processing */
				if (FspInfo->ImageRevision >= FSP_GOLD3_REV_ID) {
					UpdData->ISPEnable = dev->enabled;
				} else {
					/* Gold2 and earlier FSP: ISPEnable is the filed	*/
					/* next to PcdGttSize in UPD_DATA_REGION struct		*/
					*(&(UpdData->PcdGttSize)+sizeof(UINT8)) = dev->enabled;
					printk (FSP_INFO_LEVEL,
						"Baytrail Gold2 or earlier FSP, adjust ISPEnable offset.\n");
				}
				printk(FSP_INFO_LEVEL, "MIPI/ISP:\t\t%s\n",
						UpdData->PcdEnableSdio?"Enabled":"Disabled");
				break;
			case EMMC_DEV_FUNC: /* EMMC 4.1*/
				if ((dev->enabled) &&
						(config->PcdeMMCBootMode == EMMC_FOLLOWS_DEVICETREE))
					UpdData->PcdeMMCBootMode = EMMC_4_1 - EMMC_DISABLED;
				break;
			case MMC45_DEV_FUNC: /* MMC 4.5*/
				if ((dev->enabled) &&
						(config->PcdeMMCBootMode == EMMC_FOLLOWS_DEVICETREE))
					UpdData->PcdeMMCBootMode = EMMC_4_5 - EMMC_DISABLED;
				break;
			case XHCI_DEV_FUNC:
				UpdData->PcdEnableXhci = dev->enabled;
				break;
			case EHCI_DEV_FUNC:
				UpdData->PcdEnableXhci = !(dev->enabled);
				break;

			case LPE_DEV_FUNC:
				if (dev->enabled)
					UpdData->PcdEnableLpe = config->LpeAcpiModeEnable;
				else
					UpdData->PcdEnableLpe = 0;
				break;
		}
	}

	if (UpdData->PcdEnableLpe < sizeof(acpi_pci_mode_strings) / sizeof (char *))
		printk(FSP_INFO_LEVEL, "Lpe:\t\t\t%s\n",
			acpi_pci_mode_strings[UpdData->PcdEnableLpe]);

	if (UpdData->PcdeMMCBootMode < sizeof(emmc_mode_strings) / sizeof (char *))
		printk(FSP_INFO_LEVEL, "eMMC Mode:\t\t%s",
			emmc_mode_strings[UpdData->PcdeMMCBootMode]);

	if (UpdData->PcdEnableSata)
		printk(FSP_INFO_LEVEL, "SATA Mode:\t\t%s\n",
			UpdData->PcdSataMode?"AHCI":"IDE");

	printk(FSP_INFO_LEVEL, "Xhci:\t\t\t%s\n",
		UpdData->PcdEnableXhci?"Enabled":"Disabled");

	/*
	 * set memory down parameters
	 * Skip setting values if memory down is disabled
	 * Skip setting values if FSP is earlier than gold 3
	 */
	if (FspInfo->ImageRevision >= FSP_GOLD3_REV_ID) {
		UPD_MEMDOWN_CHECK(EnableMemoryDown, DECREMENT_FOR_DEFAULT);
		if (UpdData->PcdMemoryParameters.EnableMemoryDown) {
			UPD_MEMDOWN_CHECK(DRAMSpeed,    DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DRAMType,     DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMM0Enable,  DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMM1Enable,  DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMDWidth,   DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMDensity,  DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMBusWidth, DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMSides,    DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMtCL,      NO_DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMtRPtRCD,  NO_DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMtWR,      NO_DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMtWTR,     NO_DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMtRRD,     NO_DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMtRTP,     NO_DECREMENT_FOR_DEFAULT);
			UPD_MEMDOWN_CHECK(DIMMtFAW,     NO_DECREMENT_FOR_DEFAULT);

			printk (FSP_INFO_LEVEL,
				"Memory Down Data Existed : %s\n"\
				"- Speed (0: 800, 1: 1066, 2: 1333, 3: 1600): %d\n"\
				"- Type  (0: DDR3, 1: DDR3L) : %d\n"\
				"- DIMM0        : %s\n"\
				"- DIMM1        : %s\n"\
				"- Width        : x%d\n"\
				"- Density      : %dGbit\n"
				"- BudWidth     : %dbit\n"\
				"- Rank #       : %d\n"\
				"- tCL          : %02X\n"\
				"- tRPtRCD      : %02X\n"\
				"- tWR          : %02X\n"\
				"- tWTR         : %02X\n"\
				"- tRRD         : %02X\n"\
				"- tRTP         : %02X\n"\
				"- tFAW         : %02X\n"
				, (UpdData->PcdMemoryParameters.EnableMemoryDown) ? "Enabled" : "Disabled"
				, UpdData->PcdMemoryParameters.DRAMSpeed
				, UpdData->PcdMemoryParameters.DRAMType
				, (UpdData->PcdMemoryParameters.DIMM0Enable) ? "Enabled" : "Disabled"
				, (UpdData->PcdMemoryParameters.DIMM1Enable) ? "Enabled" : "Disabled"
				, 8 << (UpdData->PcdMemoryParameters.DIMMDWidth)
				, 1 << (UpdData->PcdMemoryParameters.DIMMDensity)
				, 8 << (UpdData->PcdMemoryParameters.DIMMBusWidth)
				, (UpdData->PcdMemoryParameters.DIMMSides) + 1
				, UpdData->PcdMemoryParameters.DIMMtCL
				, UpdData->PcdMemoryParameters.DIMMtRPtRCD
				, UpdData->PcdMemoryParameters.DIMMtWR
				, UpdData->PcdMemoryParameters.DIMMtWTR
				, UpdData->PcdMemoryParameters.DIMMtRRD
				, UpdData->PcdMemoryParameters.DIMMtRTP
				, UpdData->PcdMemoryParameters.DIMMtFAW
			);
		}
	}
}