| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <arch/cpu.h> |
| #include <arch/romstage.h> |
| #include <acpi/acpi.h> |
| #include <cpu/x86/cache.h> |
| #include <cpu/x86/msr.h> |
| #include <cpu/amd/mtrr.h> |
| #include <console/uart.h> |
| #include <cbmem.h> |
| #include <commonlib/helpers.h> |
| #include <console/console.h> |
| #include <program_loading.h> |
| #include <romstage_handoff.h> |
| #include <elog.h> |
| #include <soc/romstage.h> |
| #include <soc/mtrr.h> |
| #include <types.h> |
| #include "chip.h" |
| #include <fsp/api.h> |
| |
| void __weak mainboard_romstage_entry_s3(int s3_resume) |
| { |
| /* By default, don't do anything */ |
| } |
| |
| /* TODO(b/155426691): Make FSP AGESA leave MTRRs alone */ |
| static void clear_agesa_mtrrs(void) |
| { |
| disable_cache(); |
| |
| picasso_restore_mtrrs(); |
| |
| enable_cache(); |
| } |
| |
| void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) |
| { |
| FSP_M_CONFIG *mcfg = &mupd->FspmConfig; |
| const config_t *config = config_of_soc(); |
| |
| mcfg->pci_express_base_addr = CONFIG_MMCONF_BASE_ADDRESS; |
| mcfg->tseg_size = CONFIG_SMM_TSEG_SIZE; |
| mcfg->serial_port_base = uart_platform_base(CONFIG_UART_FOR_CONSOLE); |
| mcfg->serial_port_use_mmio = CONFIG(DRIVERS_UART_8250MEM); |
| mcfg->serial_port_stride = CONFIG(DRIVERS_UART_8250MEM_32) ? 4 : 1; |
| mcfg->serial_port_baudrate = get_uart_baudrate(); |
| mcfg->serial_port_refclk = uart_platform_refclk(); |
| |
| mcfg->system_config = config->system_config; |
| |
| if ((config->slow_ppt_limit) && |
| (config->fast_ppt_limit) && |
| (config->slow_ppt_time_constant) && |
| (config->stapm_time_constant)) { |
| mcfg->slow_ppt_limit = config->slow_ppt_limit; |
| mcfg->fast_ppt_limit = config->fast_ppt_limit; |
| mcfg->slow_ppt_time_constant = config->slow_ppt_time_constant; |
| mcfg->stapm_time_constant = config->stapm_time_constant; |
| } |
| |
| mcfg->sustained_power_limit = config->sustained_power_limit; |
| mcfg->prochot_l_deassertion_ramp_time = config->prochot_l_deassertion_ramp_time; |
| mcfg->thermctl_limit = config->thermctl_limit; |
| mcfg->psi0_current_limit = config->psi0_current_limit; |
| mcfg->psi0_soc_current_limit = config->psi0_soc_current_limit; |
| mcfg->vddcr_soc_voltage_margin = config->vddcr_soc_voltage_margin; |
| mcfg->vddcr_vdd_voltage_margin = config->vddcr_vdd_voltage_margin; |
| mcfg->vrm_maximum_current_limit = config->vrm_maximum_current_limit; |
| mcfg->vrm_soc_maximum_current_limit = config->vrm_soc_maximum_current_limit; |
| mcfg->vrm_current_limit = config->vrm_current_limit; |
| mcfg->vrm_soc_current_limit = config->vrm_soc_current_limit; |
| mcfg->sb_tsi_alert_comparator_mode_en = config->sb_tsi_alert_comparator_mode_en; |
| mcfg->core_dldo_bypass = config->core_dldo_bypass; |
| mcfg->min_soc_vid_offset = config->min_soc_vid_offset; |
| mcfg->aclk_dpm0_freq_400MHz = config->aclk_dpm0_freq_400MHz; |
| } |
| |
| asmlinkage void car_stage_entry(void) |
| { |
| int s3_resume; |
| |
| post_code(0x40); |
| console_init(); |
| |
| post_code(0x41); |
| s3_resume = acpi_s3_resume_allowed() && acpi_is_wakeup_s3(); |
| mainboard_romstage_entry_s3(s3_resume); |
| elog_boot_notify(s3_resume); |
| |
| post_code(0x42); |
| u32 val = cpuid_eax(1); |
| printk(BIOS_DEBUG, "Family_Model: %08x\n", val); |
| |
| post_code(0x43); |
| picasso_save_mtrrs(); |
| |
| post_code(0x44); |
| fsp_memory_init(s3_resume); |
| |
| post_code(0x45); |
| clear_agesa_mtrrs(); |
| |
| post_code(0x46); |
| run_ramstage(); |
| |
| post_code(0x50); /* Should never see this post code. */ |
| } |