diff options
Diffstat (limited to 'src/soc/intel/quark/romstage/fsp1_1.c')
| -rw-r--r-- | src/soc/intel/quark/romstage/fsp1_1.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/soc/intel/quark/romstage/fsp1_1.c b/src/soc/intel/quark/romstage/fsp1_1.c new file mode 100644 index 0000000000..73910a0775 --- /dev/null +++ b/src/soc/intel/quark/romstage/fsp1_1.c @@ -0,0 +1,199 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Google Inc. + * Copyright (C) 2015-2016 Intel Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#define __SIMPLE_DEVICE__ + +#include <arch/early_variables.h> +#include <console/console.h> +#include <cbfs.h> +#include "../chip.h" +#include <fsp/util.h> +#include <soc/iomap.h> +#include <soc/pci_devs.h> +#include <soc/romstage.h> +#include <string.h> + +asmlinkage void *car_stage_c_entry(void) +{ + FSP_INFO_HEADER *fih; + struct cache_as_ram_params car_params = {0}; + void *top_of_stack; + + post_code(0x20); + + /* Copy the FSP binary into ESRAM */ + memcpy((void *)CONFIG_FSP_ESRAM_LOC, (void *)CONFIG_FSP_LOC, + 0x00040000); + + /* Locate the FSP header in ESRAM */ + fih = find_fsp(CONFIG_FSP_ESRAM_LOC); + + /* Start the early verstage/romstage code */ + post_code(0x2A); + car_params.fih = fih; + top_of_stack = cache_as_ram_main(&car_params); + + /* Initialize MTRRs and switch stacks after RAM initialized */ + return top_of_stack; +} + +static struct chipset_power_state power_state CAR_GLOBAL; + +struct chipset_power_state *get_power_state(void) +{ + return (struct chipset_power_state *)car_get_var_ptr(&power_state); +} + +struct chipset_power_state *fill_power_state(void) +{ + struct chipset_power_state *ps = get_power_state(); + + ps->prev_sleep_state = 0; + printk(BIOS_SPEW, "prev_sleep_state %d\n", ps->prev_sleep_state); + return ps; +} + +/* Initialize the UPD parameters for MemoryInit */ +void soc_memory_init_params(struct romstage_params *params, + MEMORY_INIT_UPD *upd) +{ + const struct device *dev; + const struct soc_intel_quark_config *config; + char *rmu_file; + size_t rmu_file_len; + + /* Locate the configuration data from devicetree.cb */ + dev = dev_find_slot(0, LPC_DEV_FUNC); + if (!dev) { + printk(BIOS_CRIT, + "Error! Device (PCI:0:%02x.%01x) not found, " + "soc_memory_init_params!\n", PCI_DEVICE_NUMBER_QNC_LPC, + PCI_FUNCTION_NUMBER_QNC_LPC); + return; + } + config = dev->chip_info; + + /* Clear SMI and wake events */ + clear_smi_and_wake_events(); + + /* Locate the RMU data file in flash */ + rmu_file = cbfs_boot_map_with_leak("rmu.bin", CBFS_TYPE_RAW, + &rmu_file_len); + if (!rmu_file) + die("Microcode file (rmu.bin) not found."); + + /* Update the UPD data for MemoryInit */ + upd->AddrMode = config->AddrMode; + upd->ChanMask = config->ChanMask; + upd->ChanWidth = config->ChanWidth; + upd->DramDensity = config->DramDensity; + upd->DramRonVal = config->DramRonVal; + upd->DramRttNomVal = config->DramRttNomVal; + upd->DramRttWrVal = config->DramRttWrVal; + upd->DramSpeed = config->DramSpeed; + upd->DramType = config->DramType; + upd->DramWidth = config->DramWidth; + upd->EccScrubBlkSize = config->EccScrubBlkSize; + upd->EccScrubInterval = config->EccScrubInterval; + upd->Flags = config->Flags; + upd->FspReservedMemoryLength = config->FspReservedMemoryLength; + upd->RankMask = config->RankMask; + upd->RmuBaseAddress = (uintptr_t)rmu_file; + upd->RmuLength = rmu_file_len; + upd->SerialPortBaseAddress = UART_BASE_ADDRESS; + upd->SmmTsegSize = IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) ? + config->SmmTsegSize : 0; + upd->SocRdOdtVal = config->SocRdOdtVal; + upd->SocWrRonVal = config->SocWrRonVal; + upd->SocWrSlewRate = config->SocWrSlewRate; + upd->SrInt = config->SrInt; + upd->SrTemp = config->SrTemp; + upd->tCL = config->tCL; + upd->tFAW = config->tFAW; + upd->tRAS = config->tRAS; + upd->tRRD = config->tRRD; + upd->tWTR = config->tWTR; +} + +void soc_display_memory_init_params(const MEMORY_INIT_UPD *old, + MEMORY_INIT_UPD *new) +{ + /* Display the parameters for MemoryInit */ + printk(BIOS_SPEW, "UPD values for MemoryInit at: 0x%p\n", new); + fsp_display_upd_value("AddrMode", sizeof(old->AddrMode), + old->AddrMode, new->AddrMode); + fsp_display_upd_value("ChanMask", sizeof(old->ChanMask), + old->ChanMask, new->ChanMask); + fsp_display_upd_value("ChanWidth", sizeof(old->ChanWidth), + old->ChanWidth, new->ChanWidth); + fsp_display_upd_value("DramDensity", sizeof(old->DramDensity), + old->DramDensity, new->DramDensity); + fsp_display_upd_value("DramRonVal", sizeof(old->DramRonVal), + old->DramRonVal, new->DramRonVal); + fsp_display_upd_value("DramRttNomVal", sizeof(old->DramRttNomVal), + old->DramRttNomVal, new->DramRttNomVal); + fsp_display_upd_value("DramRttWrVal", sizeof(old->DramRttWrVal), + old->DramRttWrVal, new->DramRttWrVal); + fsp_display_upd_value("DramSpeed", sizeof(old->DramSpeed), + old->DramSpeed, new->DramSpeed); + fsp_display_upd_value("DramType", sizeof(old->DramType), + old->DramType, new->DramType); + fsp_display_upd_value("DramWidth", sizeof(old->DramWidth), + old->DramWidth, new->DramWidth); + fsp_display_upd_value("EccScrubBlkSize", sizeof(old->EccScrubBlkSize), + old->EccScrubBlkSize, new->EccScrubBlkSize); + fsp_display_upd_value("EccScrubInterval", sizeof(old->EccScrubInterval), + old->EccScrubInterval, new->EccScrubInterval); + fsp_display_upd_value("Flags", sizeof(old->Flags), old->Flags, + new->Flags); + fsp_display_upd_value("FspReservedMemoryLength", + sizeof(old->FspReservedMemoryLength), + old->FspReservedMemoryLength, new->FspReservedMemoryLength); + fsp_display_upd_value("RankMask", sizeof(old->RankMask), old->RankMask, + new->RankMask); + fsp_display_upd_value("RmuBaseAddress", sizeof(old->RmuBaseAddress), + old->RmuBaseAddress, new->RmuBaseAddress); + fsp_display_upd_value("RmuLength", sizeof(old->RmuLength), + old->RmuLength, new->RmuLength); + fsp_display_upd_value("SerialPortBaseAddress", + sizeof(old->SerialPortBaseAddress), + old->SerialPortBaseAddress, new->SerialPortBaseAddress); + fsp_display_upd_value("SmmTsegSize", sizeof(old->SmmTsegSize), + old->SmmTsegSize, new->SmmTsegSize); + fsp_display_upd_value("SocRdOdtVal", sizeof(old->SocRdOdtVal), + old->SocRdOdtVal, new->SocRdOdtVal); + fsp_display_upd_value("SocWrRonVal", sizeof(old->SocWrRonVal), + old->SocWrRonVal, new->SocWrRonVal); + fsp_display_upd_value("SocWrSlewRate", sizeof(old->SocWrSlewRate), + old->SocWrSlewRate, new->SocWrSlewRate); + fsp_display_upd_value("SrInt", sizeof(old->SrInt), old->SrInt, + new->SrInt); + fsp_display_upd_value("SrTemp", sizeof(old->SrTemp), old->SrTemp, + new->SrTemp); + fsp_display_upd_value("tCL", sizeof(old->tCL), old->tCL, new->tCL); + fsp_display_upd_value("tFAW", sizeof(old->tFAW), old->tFAW, new->tFAW); + fsp_display_upd_value("tRAS", sizeof(old->tRAS), old->tRAS, new->tRAS); + fsp_display_upd_value("tRRD", sizeof(old->tRRD), old->tRRD, new->tRRD); + fsp_display_upd_value("tWTR", sizeof(old->tWTR), old->tWTR, new->tWTR); +} + +void soc_after_ram_init(struct romstage_params *params) +{ + /* Disable the ROM shadow 0x000e0000 - 0x000fffff */ + disable_rom_shadow(); + + /* Initialize the PCIe bridges */ + pcie_init(); +} |