| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <arch/romstage.h> |
| #include <cbmem.h> |
| #include <cf9_reset.h> |
| #include <console/console.h> |
| #include <cpu/intel/haswell/haswell.h> |
| #include <elog.h> |
| #include <romstage_handoff.h> |
| #include <soc/me.h> |
| #include <soc/pei_data.h> |
| #include <soc/pei_wrapper.h> |
| #include <soc/pm.h> |
| #include <soc/romstage.h> |
| #include <southbridge/intel/lynxpoint/lp_gpio.h> |
| #include <stdint.h> |
| #include <timestamp.h> |
| |
| __weak void mainboard_fill_spd_data(struct pei_data *pei_data) |
| { |
| } |
| |
| __weak void mainboard_post_raminit(const int s3resume) |
| { |
| } |
| |
| /* Entry from cpu/intel/car/romstage.c. */ |
| void mainboard_romstage_entry(void) |
| { |
| struct pei_data pei_data = { 0 }; |
| |
| post_code(0x30); |
| |
| /* System Agent Early Initialization */ |
| systemagent_early_init(); |
| |
| /* PCH Early Initialization */ |
| pch_early_init(); |
| |
| /* Get power state */ |
| struct chipset_power_state *const power_state = fill_power_state(); |
| |
| int s3resume = power_state->prev_sleep_state == ACPI_S3; |
| |
| elog_boot_notify(s3resume); |
| |
| /* Print useful platform information */ |
| report_platform_info(); |
| |
| /* Set CPU frequency to maximum */ |
| set_max_freq(); |
| |
| /* Initialize GPIOs */ |
| setup_pch_lp_gpios(mainboard_lp_gpio_map); |
| |
| mainboard_fill_pei_data(&pei_data); |
| mainboard_fill_spd_data(&pei_data); |
| |
| post_code(0x32); |
| |
| timestamp_add_now(TS_BEFORE_INITRAM); |
| |
| pei_data.boot_mode = power_state->prev_sleep_state; |
| |
| /* Print ME state before MRC */ |
| intel_me_status(); |
| |
| /* Save ME HSIO version */ |
| intel_me_hsio_version(&power_state->hsio_version, |
| &power_state->hsio_checksum); |
| |
| /* Initialize RAM */ |
| sdram_initialize(&pei_data); |
| |
| timestamp_add_now(TS_AFTER_INITRAM); |
| |
| int cbmem_was_initted = !cbmem_recovery(s3resume); |
| if (s3resume && !cbmem_was_initted) { |
| /* Failed S3 resume, reset to come up cleanly */ |
| printk(BIOS_CRIT, "Failed to recover CBMEM in S3 resume.\n"); |
| system_reset(); |
| } |
| |
| save_mrc_data(&pei_data); |
| |
| setup_sdram_meminfo(&pei_data); |
| |
| romstage_handoff_init(s3resume); |
| |
| mainboard_post_raminit(s3resume); |
| } |