diff options
| -rw-r--r-- | src/soc/intel/elkhartlake/include/soc/romstage.h | 22 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/include/soc/soc_chip.h | 8 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/include/soc/systemagent.h | 43 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/romstage/Makefile.inc | 7 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/romstage/fsp_params.c | 31 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/romstage/pch.c | 10 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/romstage/romstage.c | 143 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/romstage/systemagent.c | 29 |
8 files changed, 293 insertions, 0 deletions
diff --git a/src/soc/intel/elkhartlake/include/soc/romstage.h b/src/soc/intel/elkhartlake/include/soc/romstage.h new file mode 100644 index 0000000000..baa35c5216 --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/romstage.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ROMSTAGE_H_ +#define _SOC_ROMSTAGE_H_ + +#include <fsp/api.h> + +/* Provide a callback to allow mainboard to override the DRAM part number. */ +bool mainboard_get_dram_part_num(const char **part_num, size_t *len); +void mainboard_memory_init_params(FSPM_UPD *mupd); +void systemagent_early_init(void); +void romstage_pch_init(void); + +/* Board type */ +enum board_type { + BOARD_TYPE_MOBILE = 0, + BOARD_TYPE_DESKTOP = 1, + BOARD_TYPE_ULT_ULX = 5, + BOARD_TYPE_SERVER = 7 +}; + +#endif /* _SOC_ROMSTAGE_H_ */ diff --git a/src/soc/intel/elkhartlake/include/soc/soc_chip.h b/src/soc/intel/elkhartlake/include/soc/soc_chip.h new file mode 100644 index 0000000000..6fccc64b53 --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/soc_chip.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_ELKHARTLAKE_SOC_CHIP_H_ +#define _SOC_ELKHARTLAKE_SOC_CHIP_H_ + +#include "../../chip.h" + +#endif /* _SOC_ELKHARTLAKE_SOC_CHIP_H_ */ diff --git a/src/soc/intel/elkhartlake/include/soc/systemagent.h b/src/soc/intel/elkhartlake/include/soc/systemagent.h new file mode 100644 index 0000000000..0abfbfcb07 --- /dev/null +++ b/src/soc/intel/elkhartlake/include/soc/systemagent.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOC_ELKHARTLAKE_SYSTEMAGENT_H +#define SOC_ELKHARTLAKE_SYSTEMAGENT_H + +#include <intelblocks/systemagent.h> + +/* Device 0:0.0 PCI configuration space */ + +#define EPBAR 0x40 +#define DMIBAR 0x68 +#define CAPID0_A 0xe4 +#define VTD_DISABLE (1 << 23) + +#define BIOS_RESET_CPL 0x5da8 +#define GFXVTBAR 0x5400 +#define EDRAMBAR 0x5408 +#define VTVC0BAR 0x5410 +#define REGBAR 0x5420 +#define VTBAR_ENABLED 0x01 +#define VTBAR_MASK 0x7ffffff000ull + +#define MCH_PKG_POWER_LIMIT_LO 0x59a0 +#define MCH_PKG_POWER_LIMIT_HI 0x59a4 +#define MCH_DDR_POWER_LIMIT_LO 0x58e0 +#define MCH_DDR_POWER_LIMIT_HI 0x58e4 + +#define IMRBASE 0x6A40 +#define IMRLIMIT 0x6A48 + +static const struct sa_mmio_descriptor soc_vtd_resources[] = { + { GFXVTBAR, GFXVT_BASE_ADDRESS, GFXVT_BASE_SIZE, "GFXVTBAR" }, + { VTVC0BAR, VTVC0_BASE_ADDRESS, VTVC0_BASE_SIZE, "VTVC0BAR" }, +}; + +#define V_P2SB_CFG_IBDF_BUS 0 +#define V_P2SB_CFG_IBDF_DEV 30 +#define V_P2SB_CFG_IBDF_FUNC 7 +#define V_P2SB_CFG_HBDF_BUS 0 +#define V_P2SB_CFG_HBDF_DEV 30 +#define V_P2SB_CFG_HBDF_FUNC 6 + +#endif 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 <assert.h> +#include <console/console.h> +#include <device/device.h> +#include <fsp/util.h> +#include <soc/pci_devs.h> +#include <soc/romstage.h> +#include <soc/soc_chip.h> +#include <string.h> + +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 <intelblocks/smbus.h> +#include <soc/romstage.h> + +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 <arch/romstage.h> +#include <cbmem.h> +#include <console/console.h> +#include <fsp/util.h> +#include <intelblocks/cfg.h> +#include <intelblocks/cse.h> +#include <intelblocks/pmclib.h> +#include <memory_info.h> +#include <soc/intel/common/smbios.h> +#include <soc/iomap.h> +#include <soc/pm.h> +#include <soc/romstage.h> +#include <soc/soc_chip.h> +#include <string.h> + +#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 <intelblocks/systemagent.h> +#include <soc/iomap.h> +#include <soc/romstage.h> +#include <soc/systemagent.h> + +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(); +} |