raminit_mrc.c File Reference

#include <arch/hpet.h>
#include <console/console.h>
#include <console/usb.h>
#include <cf9_reset.h>
#include <string.h>
#include <device/device.h>
#include <device/dram/ddr3.h>
#include <device/pci_ops.h>
#include <arch/cpu.h>
#include <cbmem.h>
#include <cbfs.h>
#include <ip_checksum.h>
#include <pc80/mc146818rtc.h>
#include <device/pci_def.h>
#include <lib.h>
#include <mrc_cache.h>
#include <spd.h>
#include <smbios.h>
#include <stddef.h>
#include <stdint.h>
#include <timestamp.h>
#include "raminit.h"
#include "pei_data.h"
#include "sandybridge.h"
#include "chip.h"
#include <security/vboot/vboot_common.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <memory_info.h>
#include <southbridge/intel/bd82x6x/me.h>

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Data Structures
struct	mrc_var_data

Macros
#define	CMOS_OFFSET_MRC_SEED   152
#define	CMOS_OFFSET_MRC_SEED_S3   156
#define	CMOS_OFFSET_MRC_SEED_CHK   160
#define	MRC_CACHE_VERSION   0
#define	DCACHE_RAM_MRC_VAR_BASE

Functions
static void	save_mrc_data (struct pei_data *pei_data)
static void	prepare_mrc_cache (struct pei_data *pei_data)
static void	sdram_initialize (struct pei_data *pei_data)
	Find PEI executable in coreboot filesystem and execute it. More...
static void	northbridge_fill_pei_data (struct pei_data *pei_data)
static void	southbridge_fill_pei_data (struct pei_data *pei_data)
static void	devicetree_fill_pei_data (struct pei_data *pei_data)
static void	disable_p2p (void)
static void	setup_sdram_meminfo (struct pei_data *pei_data)
void	perform_raminit (int s3resume)

Variables
struct mrc_var_data	__packed

Macro Definition Documentation

CMOS_OFFSET_MRC_SEED

#define CMOS_OFFSET_MRC_SEED   152

Definition at line 45 of file raminit_mrc.c.

CMOS_OFFSET_MRC_SEED_CHK

#define CMOS_OFFSET_MRC_SEED_CHK   160

Definition at line 47 of file raminit_mrc.c.

CMOS_OFFSET_MRC_SEED_S3

#define CMOS_OFFSET_MRC_SEED_S3   156

Definition at line 46 of file raminit_mrc.c.

DCACHE_RAM_MRC_VAR_BASE

#define DCACHE_RAM_MRC_VAR_BASE

Value:

                                (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE \
                                + CONFIG_DCACHE_RAM_MRC_VAR_SIZE - 0x4000)

Definition at line 222 of file raminit_mrc.c.

MRC_CACHE_VERSION

#define MRC_CACHE_VERSION   0

Definition at line 50 of file raminit_mrc.c.

Function Documentation

devicetree_fill_pei_data()

static void devicetree_fill_pei_data ( struct pei_data *  pei_data )

static

Definition at line 265 of file raminit_mrc.c.

References __fallthrough, BIOS_WARNING, device::chip_info, northbridge_intel_sandybridge_config::ddr3lv_support, pei_data::ddr3lv_support, northbridge_intel_sandybridge_config::ddr_refresh_rate_config, pei_data::ddr_refresh_rate_config, pei_data::ec_present, northbridge_intel_sandybridge_config::ec_present, northbridge_intel_sandybridge_config::hs_port_switch_mask, pch_usb3_controller_settings::hs_port_switch_mask, pei_data::max_ddr3_freq, northbridge_intel_sandybridge_config::max_mem_clock_mhz, memcpy(), northbridge_intel_sandybridge_config::mode, pch_usb3_controller_settings::mode, northbridge_intel_sandybridge_config::nmode, pei_data::nmode, pcidev_on_root(), northbridge_intel_sandybridge_config::preboot_support, pch_usb3_controller_settings::preboot_support, printk, pei_data::spd_addresses, northbridge_intel_sandybridge_config::spd_addresses, northbridge_intel_sandybridge_config::ts_addresses, pei_data::ts_addresses, northbridge_intel_sandybridge_config::usb3, pei_data::usb3, northbridge_intel_sandybridge_config::usb_port_config, pei_data::usb_port_config, northbridge_intel_sandybridge_config::xhci_streams, and pch_usb3_controller_settings::xhci_streams.

Referenced by perform_raminit().

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disable_p2p()

static void disable_p2p ( void  )

static

Definition at line 313 of file raminit_mrc.c.

References device::enabled, FD, PCH_DISABLE_P2P, pcidev_on_root(), and RCBA32.

Referenced by perform_raminit().

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northbridge_fill_pei_data()

static void northbridge_fill_pei_data ( struct pei_data *  pei_data )

static

Definition at line 233 of file raminit_mrc.c.

References cpu_get_cpuid(), pei_data::dmibar, device::enabled, pei_data::epbar, get_platform_type(), pei_data::hpet_address, HPET_BASE_ADDRESS, pei_data::mchbar, pcidev_on_root(), pei_data::pcie_init, pei_data::pciexbar, PLATFORM_MOBILE, pei_data::system_type, pei_data::thermalbase, and pei_data::tseg_size.

Referenced by perform_raminit().

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perform_raminit()

void perform_raminit

(

int

s3resume

)

Definition at line 325 of file raminit_mrc.c.

References ARRAY_SIZE, BIOS_DEBUG, BIOS_ERR, pei_data::boot_mode, cbmem_recovery(), DCACHE_RAM_MRC_VAR_BASE, devicetree_fill_pei_data(), die(), pei_data::dimm_channel0_disabled, pei_data::dimm_channel1_disabled, disable_p2p(), enable_usb_bar(), hexdump(), mainboard_fill_pei_data(), mainboard_should_reset_usb(), memcmp(), memcpy(), memset(), northbridge_fill_pei_data(), PEI_VERSION, pei_data::pei_version, mrc_var_data::pool_base, mrc_var_data::pool_used, post_code, printk, save_mrc_data(), sdram_initialize(), setup_sdram_meminfo(), southbridge_fill_pei_data(), pei_data::spd_addresses, pei_data::spd_data, system_reset(), timestamp_add_now(), TS_INITRAM_END, TS_INITRAM_START, pei_data::tx_byte, and mrc_var_data::tx_byte.

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prepare_mrc_cache()

static void prepare_mrc_cache ( struct pei_data *  pei_data )

static

Definition at line 78 of file raminit_mrc.c.

References add_ip_checksums(), BIOS_DEBUG, BIOS_ERR, checksum(), CMOS_OFFSET_MRC_SEED, CMOS_OFFSET_MRC_SEED_CHK, CMOS_OFFSET_MRC_SEED_S3, cmos_read(), cmos_read32(), compute_ip_checksum(), mrc_cache_current_mmap_leak(), MRC_CACHE_VERSION, pei_data::mrc_input, pei_data::mrc_input_len, MRC_TRAINING_DATA, NULL, printk, pei_data::scrambler_seed, and pei_data::scrambler_seed_s3.

Referenced by sdram_initialize().

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save_mrc_data()

static void save_mrc_data ( struct pei_data *  pei_data )

static

Definition at line 52 of file raminit_mrc.c.

References add_ip_checksums(), BIOS_DEBUG, checksum(), CMOS_OFFSET_MRC_SEED, CMOS_OFFSET_MRC_SEED_CHK, CMOS_OFFSET_MRC_SEED_S3, cmos_write(), cmos_write32(), compute_ip_checksum(), mrc_cache_stash_data(), MRC_CACHE_VERSION, pei_data::mrc_output, pei_data::mrc_output_len, MRC_TRAINING_DATA, printk, pei_data::scrambler_seed, and pei_data::scrambler_seed_s3.

Referenced by perform_raminit().

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sdram_initialize()

static void sdram_initialize ( struct pei_data *  pei_data )

static

Find PEI executable in coreboot filesystem and execute it.

Parameters

pei_data

configuration data for UEFI PEI reference code

Definition at line 130 of file raminit_mrc.c.

References BASE_REV_MASK, BASE_REV_SNB, BIOS_DEBUG, BIOS_ERR, pei_data::boot_mode, cbfs_map(), CONFIG, die(), die_with_post_code, do_putchar(), intel_early_me_init(), intel_early_me_init_done(), intel_early_me_status(), intel_early_me_uma_size(), mchbar_read32(), ME_INIT_STATUS_SUCCESS, pei_data::mrc_input, MRC_REVISION, NULL, PCI_CPU_DEVICE, PCI_DEVICE_ID, pci_read_config16(), POST_INVALID_VENDOR_BINARY, prepare_mrc_cache(), printk, report_memory_config(), system_reset(), pei_data::tx_byte, usbdebug_hw_init(), and version.

Referenced by perform_raminit().

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setup_sdram_meminfo()

static void setup_sdram_meminfo ( struct pei_data *  pei_data )

static

Definition at line 395 of file raminit_mrc.c.

References ARRAY_SIZE, dimm_info::bank_locator, dimm_info::bus_width, cbmem_add(), CBMEM_ID_MEMINFO, dimm_info::channel_num, DDR3_SPD_SODIMM, dimm_info::ddr_frequency, dimm_info::ddr_type, memory_info::dimm, memory_info::dimm_cnt, dimm_info::dimm_num, dimm_info::dimm_size, MAD_CHNL, MAD_DIMM_CH0, MAD_DIMM_CH1, MC_BIOS_DATA, MC_BIOS_REQ, mchbar_read32(), memcpy(), MEMORY_BUS_WIDTH_64, MEMORY_TYPE_DDR3, memset(), dimm_info::mod_id, dimm_info::mod_type, dimm_info::module_part_number, dimm_info::rank_per_dimm, dimm_info::serial, pei_data::spd_data, SPD_DIMM_MOD_ID1, SPD_DIMM_MOD_ID2, SPD_DIMM_PART_LEN, SPD_DIMM_PART_NUM, SPD_DIMM_SERIAL_LEN, and SPD_DIMM_SERIAL_NUM.

Referenced by perform_raminit().

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southbridge_fill_pei_data()

static void southbridge_fill_pei_data ( struct pei_data *  pei_data )

static

Definition at line 252 of file raminit_mrc.c.

References DEFAULT_GPIOBASE, DEFAULT_PMBASE, DEFAULT_RCBA, device::enabled, pei_data::gbe_enable, pei_data::gpiobase, pcidev_on_root(), pei_data::pmbase, pei_data::rcba, pei_data::smbusbar, pei_data::wdbbar, and pei_data::wdbsize.

Referenced by perform_raminit().

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Variable Documentation

__packed

struct mrc_var_data __packed