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);
}
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;
}
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);
}
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];
}
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];
}
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;
}
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;
}
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;
}
void smm_region(void **start, size_t *size)
{
*start = (void *)((iosf_bunit_read(BUNIT_SMRRL) & 0xFFFF) << 20);
*size = smm_region_size();
}
void smm_region(void **start, size_t *size)
{
*start = (void *)smm_region_start();
*size = smm_region_size();
}
/**
* 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
);
}
}
}