From cecd7af95964f84e024013e27c9e8df465737ebc Mon Sep 17 00:00:00 2001 From: "Tan, Lean Sheng" Date: Tue, 25 Aug 2020 18:43:25 -0700 Subject: soc/intel/elkhartlake/romstage: Do initial SoC commit till romstage Clone entirely from Jasperlake List of changes on top off initial jasperlake clone 1. Replace "Jasperlake" with "Elkhartlake" 2. Replace "jsl" with "ehl" 3. Rename structure based on Jasperlake with Elkhartlake 4. Clean up upd override in fsp_params.c, will be added later 5. Temporarily remove _weak attributes in fsp_param & romstage.c 6. Add required headers into include/soc/ from jasperlake directory Signed-off-by: Tan, Lean Sheng Change-Id: If2bbe0b8a12bb78b3650f9d0a60f002f7eacb513 Reviewed-on: https://review.coreboot.org/c/coreboot/+/44801 Tested-by: build bot (Jenkins) Reviewed-by: Werner Zeh Reviewed-by: Maulik V Vaghela --- src/soc/intel/elkhartlake/romstage/Makefile.inc | 7 ++ src/soc/intel/elkhartlake/romstage/fsp_params.c | 31 +++++ src/soc/intel/elkhartlake/romstage/pch.c | 10 ++ src/soc/intel/elkhartlake/romstage/romstage.c | 143 +++++++++++++++++++++++ src/soc/intel/elkhartlake/romstage/systemagent.c | 29 +++++ 5 files changed, 220 insertions(+) create mode 100644 src/soc/intel/elkhartlake/romstage/Makefile.inc create mode 100644 src/soc/intel/elkhartlake/romstage/fsp_params.c create mode 100644 src/soc/intel/elkhartlake/romstage/pch.c create mode 100644 src/soc/intel/elkhartlake/romstage/romstage.c create mode 100644 src/soc/intel/elkhartlake/romstage/systemagent.c (limited to 'src/soc/intel/elkhartlake/romstage') diff --git a/src/soc/intel/elkhartlake/romstage/Makefile.inc b/src/soc/intel/elkhartlake/romstage/Makefile.inc new file mode 100644 index 0000000000..a1a6c6638d --- /dev/null +++ b/src/soc/intel/elkhartlake/romstage/Makefile.inc @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-only + +romstage-y += fsp_params.c +romstage-y += ../../../../cpu/intel/car/romstage.c +romstage-y += romstage.c +romstage-y += pch.c +romstage-y += systemagent.c diff --git a/src/soc/intel/elkhartlake/romstage/fsp_params.c b/src/soc/intel/elkhartlake/romstage/fsp_params.c new file mode 100644 index 0000000000..3961dfc167 --- /dev/null +++ b/src/soc/intel/elkhartlake/romstage/fsp_params.c @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, + const struct soc_intel_elkhartlake_config *config) +{ + /* TODO: Update with UPD details as FSP matures */ +} + +void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) +{ + const struct soc_intel_elkhartlake_config *config = config_of_soc(); + FSP_M_CONFIG *m_cfg = &mupd->FspmConfig; + + soc_memory_init_params(m_cfg, config); + + mainboard_memory_init_params(mupd); +} + +void mainboard_memory_init_params(FSPM_UPD *mupd) +{ + /* TODO: Update later together with UPD updates */ +} diff --git a/src/soc/intel/elkhartlake/romstage/pch.c b/src/soc/intel/elkhartlake/romstage/pch.c new file mode 100644 index 0000000000..d3c2554425 --- /dev/null +++ b/src/soc/intel/elkhartlake/romstage/pch.c @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include + +void romstage_pch_init(void) +{ + /* Program SMBUS_BASE_ADDRESS and Enable it */ + smbus_common_init(); +} diff --git a/src/soc/intel/elkhartlake/romstage/romstage.c b/src/soc/intel/elkhartlake/romstage/romstage.c new file mode 100644 index 0000000000..d68d2dafd5 --- /dev/null +++ b/src/soc/intel/elkhartlake/romstage/romstage.c @@ -0,0 +1,143 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define FSP_SMBIOS_MEMORY_INFO_GUID \ +{ \ + 0xd4, 0x71, 0x20, 0x9b, 0x54, 0xb0, 0x0c, 0x4e, \ + 0x8d, 0x09, 0x11, 0xcf, 0x8b, 0x9f, 0x03, 0x23 \ +} + +bool mainboard_get_dram_part_num(const char **part_num, size_t *len) +{ + /* Default implementation, no need to override part number. */ + return false; +} + +/* Save the DIMM information for SMBIOS table 17 */ +static void save_dimm_info(void) +{ + int node, channel, dimm, dimm_max, index; + size_t hob_size; + const CONTROLLER_INFO *ctrlr_info; + const CHANNEL_INFO *channel_info; + const DIMM_INFO *src_dimm; + struct dimm_info *dest_dimm; + struct memory_info *mem_info; + const MEMORY_INFO_DATA_HOB *meminfo_hob; + const uint8_t smbios_memory_info_guid[16] = + FSP_SMBIOS_MEMORY_INFO_GUID; + const uint8_t *serial_num; + const char *dram_part_num = NULL; + size_t dram_part_num_len; + bool is_dram_part_overridden = false; + + /* Locate the memory info HOB, presence validated by raminit */ + meminfo_hob = fsp_find_extension_hob_by_guid( + smbios_memory_info_guid, + &hob_size); + if (meminfo_hob == NULL || hob_size == 0) { + printk(BIOS_ERR, "SMBIOS MEMORY_INFO_DATA_HOB not found\n"); + return; + } + + /* + * Allocate CBMEM area for DIMM information used to populate SMBIOS + * table 17 + */ + mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(*mem_info)); + if (mem_info == NULL) { + printk(BIOS_ERR, "CBMEM entry for DIMM info missing\n"); + return; + } + memset(mem_info, 0, sizeof(*mem_info)); + + /* Allow mainboard to override DRAM part number. */ + is_dram_part_overridden = mainboard_get_dram_part_num(&dram_part_num, + &dram_part_num_len); + + /* Save available DIMM information */ + index = 0; + dimm_max = ARRAY_SIZE(mem_info->dimm); + for (node = 0; node < MAX_NODE; node++) { + ctrlr_info = &meminfo_hob->Controller[node]; + for (channel = 0; channel < MAX_CH && index < dimm_max; + channel++) { + channel_info = &ctrlr_info->ChannelInfo[channel]; + if (channel_info->Status != 2) + continue; + + for (dimm = 0; dimm < MAX_DIMM && index < dimm_max; + dimm++) { + src_dimm = &channel_info->DimmInfo[dimm]; + dest_dimm = &mem_info->dimm[index]; + if (src_dimm->Status != DIMM_PRESENT) + continue; + + /* If there is no DRAM part number overridden by + * mainboard then use original one. */ + if (!is_dram_part_overridden) { + dram_part_num_len = sizeof(src_dimm->ModulePartNum); + dram_part_num = (const char *) + &src_dimm->ModulePartNum[0]; + } + + u8 memProfNum = meminfo_hob->MemoryProfile; + serial_num = src_dimm->SpdSave + + SPD_SAVE_OFFSET_SERIAL; + + /* Populate the DIMM information */ + dimm_info_fill(dest_dimm, + src_dimm->DimmCapacity, + meminfo_hob->MemoryType, + meminfo_hob->ConfiguredMemoryClockSpeed, + src_dimm->RankInDimm, + channel_info->ChannelId, + src_dimm->DimmId, + dram_part_num, + dram_part_num_len, + serial_num, + meminfo_hob->DataWidth, + meminfo_hob->VddVoltage[memProfNum], + meminfo_hob->EccSupport, + src_dimm->MfgId, + src_dimm->SpdModuleType); + index++; + } + } + } + mem_info->dimm_cnt = index; + printk(BIOS_DEBUG, "%d DIMMs found\n", mem_info->dimm_cnt); +} + +void mainboard_romstage_entry(void) +{ + bool s3wake; + struct chipset_power_state *ps = pmc_get_power_state(); + + /* Program MCHBAR, DMIBAR, GDXBAR and EDRAMBAR */ + systemagent_early_init(); + /* Program PCH init */ + romstage_pch_init(); + /* initialize Heci interface */ + heci_init(HECI1_BASE_ADDRESS); + + s3wake = pmc_fill_power_state(ps) == ACPI_S3; + fsp_memory_init(s3wake); + pmc_set_disb(); + if (!s3wake) + save_dimm_info(); +} diff --git a/src/soc/intel/elkhartlake/romstage/systemagent.c b/src/soc/intel/elkhartlake/romstage/systemagent.c new file mode 100644 index 0000000000..6e9b9fa486 --- /dev/null +++ b/src/soc/intel/elkhartlake/romstage/systemagent.c @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include + +void systemagent_early_init(void) +{ + static const struct sa_mmio_descriptor soc_fixed_pci_resources[] = { + { MCHBAR, MCH_BASE_ADDRESS, MCH_BASE_SIZE, "MCHBAR" }, + { DMIBAR, DMI_BASE_ADDRESS, DMI_BASE_SIZE, "DMIBAR" }, + { EPBAR, EP_BASE_ADDRESS, EP_BASE_SIZE, "EPBAR" }, + }; + + static const struct sa_mmio_descriptor soc_fixed_mch_resources[] = { + { REGBAR, REG_BASE_ADDRESS, REG_BASE_SIZE, "REGBAR" }, + { EDRAMBAR, EDRAM_BASE_ADDRESS, EDRAM_BASE_SIZE, "EDRAMBAR" }, + }; + + /* Set Fixed MMIO address into PCI configuration space */ + sa_set_pci_bar(soc_fixed_pci_resources, + ARRAY_SIZE(soc_fixed_pci_resources)); + /* Set Fixed MMIO address into MCH base address */ + sa_set_mch_bar(soc_fixed_mch_resources, + ARRAY_SIZE(soc_fixed_mch_resources)); + /* Enable PAM registers */ + enable_pam_region(); +} -- cgit v1.2.3