#include <commonlib/helpers.h>
#include <console/console.h>
#include <acpi/acpi.h>
#include <delay.h>
#include <cpu/intel/haswell/haswell.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <boot/tables.h>
#include <security/intel/txt/txt_register.h>
#include <southbridge/intel/lynxpoint/pch.h>
#include <types.h>
#include "chip.h"
#include "haswell.h"

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Data Structures
struct	fixed_mmio_descriptor

struct	map_entry

Macros
#define	MAP_ENTRY(reg_, is_64_, is_limit_, desc_)

#define	MAP_ENTRY_BASE_32(reg_, desc_) MAP_ENTRY(reg_, 0, 0, desc_)

#define	MAP_ENTRY_BASE_64(reg_, desc_) MAP_ENTRY(reg_, 1, 0, desc_)

#define	MAP_ENTRY_LIMIT_64(reg_, desc_) MAP_ENTRY(reg_, 1, 1, desc_)

Enumerations
enum	{ TOM_REG , TOUUD_REG , MESEG_BASE_REG , MESEG_LIMIT_REG , REMAP_BASE_REG , REMAP_LIMIT_REG , TOLUD_REG , BGSM_REG , BDSM_REG , TSEG_REG , NUM_MAP_ENTRIES }

Functions
static const char *	northbridge_acpi_name (const struct device *dev)

static int	get_bar (struct device dev, unsigned int index, u32 base, u32 *len)

static int	get_bar_in_mchbar (struct device dev, unsigned int index, u32 base, u32 *len)

static void	mc_add_fixed_mmio_resources (struct device *dev)

static void	read_map_entry (struct device dev, struct map_entry entry, uint64_t *result)

static void	mc_read_map_entries (struct device dev, uint64_t values)

static void	mc_report_map_entries (struct device dev, uint64_t values)

static void	mc_add_dram_resources (struct device dev, int resource_cnt)

static void	mc_read_resources (struct device *dev)

static void	disable_devices (void)

static void	init_egress (void)

static void	northbridge_dmi_init (void)

static void	northbridge_topology_init (void)

static void	northbridge_init (struct device *dev)

static void	northbridge_final (struct device *dev)

static void	enable_dev (struct device *dev)

Variables
static struct device_operations	pci_domain_ops

struct fixed_mmio_descriptor	mc_fixed_resources []

static struct map_entry	memory_map [NUM_MAP_ENTRIES]

static struct device_operations	mc_ops

static const unsigned short	mc_pci_device_ids []

static const struct pci_driver mc_driver_hsw	__pci_driver

static struct device_operations	cpu_bus_ops

struct chip_operations	northbridge_intel_haswell_ops

Macro Definition Documentation

◆ MAP_ENTRY

#define MAP_ENTRY	(	reg_,
		is_64_,
		is_limit_,
		desc_
	)

Value:

        { \
                .reg = reg_,           \
                .is_64_bit = is_64_,   \
                .is_limit = is_limit_, \
                .description = desc_,  \
        }

Definition at line 179 of file northbridge.c.

◆ MAP_ENTRY_BASE_32

#define MAP_ENTRY_BASE_32	(	reg_,
		desc_
	)	MAP_ENTRY(reg_, 0, 0, desc_)

Definition at line 187 of file northbridge.c.

◆ MAP_ENTRY_BASE_64

#define MAP_ENTRY_BASE_64	(	reg_,
		desc_
	)	MAP_ENTRY(reg_, 1, 0, desc_)

Definition at line 188 of file northbridge.c.

◆ MAP_ENTRY_LIMIT_64

#define MAP_ENTRY_LIMIT_64	(	reg_,
		desc_
	)	MAP_ENTRY(reg_, 1, 1, desc_)

Definition at line 189 of file northbridge.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
TOM_REG
TOUUD_REG
MESEG_BASE_REG
MESEG_LIMIT_REG
REMAP_BASE_REG
REMAP_LIMIT_REG
TOLUD_REG
BGSM_REG
BDSM_REG
TSEG_REG
NUM_MAP_ENTRIES

Definition at line 191 of file northbridge.c.

Function Documentation

◆ disable_devices()

static void disable_devices ( void )

static

Definition at line 357 of file northbridge.c.

References ARRAY_SIZE, BIOS_DEBUG, DEVEN, DEVEN_D1F0EN, DEVEN_D1F1EN, DEVEN_D1F2EN, DEVEN_D2EN, DEVEN_D3EN, DEVEN_D4EN, DEVEN_D7EN, device::enabled, mask, name, PCI_DEVFN, pci_read_config32(), pci_write_config32(), pcidev_on_root(), pcidev_path_on_root(), and printk.

Referenced by northbridge_init().

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◆ enable_dev()

static void enable_dev ( struct device * dev )

static

Definition at line 570 of file northbridge.c.

References cpu_bus_ops, DEVICE_PATH_CPU_CLUSTER, DEVICE_PATH_DOMAIN, device::ops, device::path, pci_domain_ops, and device_path::type.

◆ get_bar()

static int get_bar	(	struct device *	dev,
		unsigned int	index,
		u32 *	base,
		u32 *	len
	)

static

Definition at line 45 of file northbridge.c.

References base, and pci_read_config32().

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◆ get_bar_in_mchbar()

static int get_bar_in_mchbar	(	struct device *	dev,
		unsigned int	index,
		u32 *	base,
		u32 *	len
	)

static

Definition at line 63 of file northbridge.c.

References base, and mchbar_read32().

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◆ init_egress()

static void init_egress ( void )

static

Definition at line 393 of file northbridge.c.

References epbar_read16(), epbar_write32(), EPPVCCAP1, EPVC0RCTL, EPVC1RCTL, and EPVC1RSTS.

Referenced by northbridge_init().

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◆ mc_add_dram_resources()

static void mc_add_dram_resources	(	struct device *	dev,
		int *	resource_cnt
	)

static

Definition at line 238 of file northbridge.c.

References resource::base, BGSM_REG, BIOS_DEBUG, DPR, resource::flags, IORESOURCE_ASSIGNED, IORESOURCE_CACHEABLE, IORESOURCE_FIXED, IORESOURCE_MEM, IORESOURCE_RESERVE, IORESOURCE_STORED, KiB, mc_read_map_entries(), mc_report_map_entries(), MiB, mmio_resource, new_resource(), NUM_MAP_ENTRIES, pci_read_config32(), printk, ram_resource, dpr_register::raw, reserved_ram_resource, resource::size, dpr_register::size, TOLUD_REG, TOUUD_REG, and TSEG_REG.

Referenced by mc_read_resources().

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◆ mc_add_fixed_mmio_resources()

static void mc_add_fixed_mmio_resources ( struct device * dev )

static

Definition at line 93 of file northbridge.c.

References ARRAY_SIZE, resource::base, base, BIOS_DEBUG, resource::flags, resource::index, fixed_mmio_descriptor::index, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_MEM, IORESOURCE_RESERVE, IORESOURCE_STORED, mc_fixed_resources, mmconf_resource(), new_resource(), PCIEXBAR, printk, resource::size, and fixed_mmio_descriptor::size.

Referenced by mc_read_resources().

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◆ mc_read_map_entries()

static void mc_read_map_entries	(	struct device *	dev,
		uint64_t *	values
	)

static

Definition at line 219 of file northbridge.c.

References memory_map, NUM_MAP_ENTRIES, and read_map_entry().

Referenced by mc_add_dram_resources().

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◆ mc_read_resources()

static void mc_read_resources ( struct device * dev )

static

Definition at line 332 of file northbridge.c.

References CAPID0_A, GFXVT_BASE_ADDRESS, GFXVT_BASE_SIZE, KiB, mc_add_dram_resources(), mc_add_fixed_mmio_resources(), mmio_resource, pci_dev_read_resources(), pci_read_config32(), VTD_DISABLE, VTVC0_BASE_ADDRESS, and VTVC0_BASE_SIZE.

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◆ mc_report_map_entries()

static void mc_report_map_entries	(	struct device *	dev,
		uint64_t *	values
	)

static

Definition at line 227 of file northbridge.c.

References BIOS_DEBUG, map_entry::description, GGC, memory_map, NUM_MAP_ENTRIES, pci_read_config16(), and printk.

Referenced by mc_add_dram_resources().

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◆ northbridge_acpi_name()

static const char* northbridge_acpi_name ( const struct device * dev )

static

Definition at line 21 of file northbridge.c.

References device::bus, pci_path::devfn, DEVICE_PATH_DOMAIN, DEVICE_PATH_PCI, NULL, device::path, device_path::pci, PCI_DEVFN, bus::secondary, and device_path::type.

◆ northbridge_dmi_init()

static void northbridge_dmi_init ( void )

static

Definition at line 409 of file northbridge.c.

References CONFIG, DMI_AFE_PM_TMR, dmibar_clrsetbits32(), dmibar_setbits16, dmibar_setbits32, dmibar_write32(), DMICESTS, DMIL0SLAT, DMILCTL, DMILCTL2, DMILLTC, and DMIUESTS.

Referenced by northbridge_init().

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◆ northbridge_final()

static void northbridge_final ( struct device * dev )

static

Definition at line 505 of file northbridge.c.

◆ northbridge_init()

static void northbridge_init ( struct device * dev )

static

Definition at line 482 of file northbridge.c.

References BIOS_DEBUG, BIOS_RESET_CPL, disable_devices(), init_egress(), INTRDIRCTL, mchbar_clrsetbits8(), mchbar_setbits8, mdelay(), northbridge_dmi_init(), northbridge_topology_init(), printk, and set_power_limits().

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◆ northbridge_topology_init()

static void northbridge_topology_init ( void )

static

Definition at line 434 of file northbridge.c.

References dmibar_clrsetbits32(), dmibar_setbits32, dmibar_write32(), DMIESD, DMILCAP, DMILE1A, DMILE1D, DMILE2A, DMILE2D, DMIPVCCAP1, device::enabled, epbar_clrsetbits32(), epbar_write32(), EPESD, EPLE1A, EPLE1D, EPLE2A, EPLE2D, EPLE3A, EPLE3D, EPLE4A, EPLE4D, PCI_DEV, pci_or_config32(), pci_update_config32(), pci_write_config32(), pcidev_on_root(), PEG_DCAP2, PEG_ESD, PEG_LE1A, and PEG_LE1D.

Referenced by northbridge_init().

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◆ read_map_entry()

static void read_map_entry	(	struct device *	dev,
		struct map_entry *	entry,
		uint64_t *	result
	)

static

Definition at line 154 of file northbridge.c.

Referenced by mc_read_map_entries().

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Variable Documentation

◆ __pci_driver

const struct pci_driver mc_driver_hsw __pci_driver

static

Initial value:

= {
        .ops     = &mc_ops,
        .vendor  = PCI_VID_INTEL,
        .devices = mc_pci_device_ids,
}

Definition at line 547 of file northbridge.c.

◆ cpu_bus_ops

struct device_operations cpu_bus_ops

static

Initial value:

= {
        .read_resources   = noop_read_resources,
        .set_resources    = noop_set_resources,
        .init             = mp_cpu_bus_init,
}

Definition at line 547 of file northbridge.c.

Referenced by enable_dev().

◆ mc_fixed_resources

struct fixed_mmio_descriptor mc_fixed_resources[]

Initial value:

= {
        { MCHBAR,   MCH_BASE_SIZE,   get_bar,           "MCHBAR"   },
        { DMIBAR,   DMI_BASE_SIZE,   get_bar,           "DMIBAR"   },
        { EPBAR,    EP_BASE_SIZE,    get_bar,           "EPBAR"    },
        { GDXCBAR,  GDXC_BASE_SIZE,  get_bar_in_mchbar, "GDXCBAR"  },
        { EDRAMBAR, EDRAM_BASE_SIZE, get_bar_in_mchbar, "EDRAMBAR" },
}

Definition at line 63 of file northbridge.c.

Referenced by mc_add_fixed_mmio_resources().

◆ mc_ops

struct device_operations mc_ops

static

Initial value:

= {
        .read_resources         = mc_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = northbridge_init,
        .final                  = northbridge_final,
        .acpi_fill_ssdt         = generate_cpu_entries,
        .ops_pci                = &pci_dev_ops_pci,
}

Definition at line 505 of file northbridge.c.

◆ mc_pci_device_ids

const unsigned short mc_pci_device_ids[]

static

Initial value:

Definition at line 547 of file northbridge.c.

◆ memory_map

struct map_entry memory_map[NUM_MAP_ENTRIES]

static

Initial value:

= {
        [TOM_REG]         = MAP_ENTRY_BASE_64(TOM, "TOM"),
        [TOUUD_REG]       = MAP_ENTRY_BASE_64(TOUUD, "TOUUD"),
        [MESEG_BASE_REG]  = MAP_ENTRY_BASE_64(MESEG_BASE, "MESEG_BASE"),
        [MESEG_LIMIT_REG] = MAP_ENTRY_LIMIT_64(MESEG_LIMIT, "MESEG_LIMIT"),
        [REMAP_BASE_REG]  = MAP_ENTRY_BASE_64(REMAPBASE, "REMAP_BASE"),
        [REMAP_LIMIT_REG] = MAP_ENTRY_LIMIT_64(REMAPLIMIT, "REMAP_LIMIT"),
        [TOLUD_REG]       = MAP_ENTRY_BASE_32(TOLUD, "TOLUD"),
        [BDSM_REG]        = MAP_ENTRY_BASE_32(BDSM, "BDSM"),
        [BGSM_REG]        = MAP_ENTRY_BASE_32(BGSM, "BGSM"),
        [TSEG_REG]        = MAP_ENTRY_BASE_32(TSEG, "TSEGMB"),
}

Definition at line 154 of file northbridge.c.

Referenced by get_srat_memory_entries(), mc_read_map_entries(), mc_report_map_entries(), and program_total_memory_map().

◆ northbridge_intel_haswell_ops

struct chip_operations northbridge_intel_haswell_ops

Initial value:

= {
 
        .enable_dev = enable_dev,
}

Definition at line 570 of file northbridge.c.

◆ pci_domain_ops

struct device_operations pci_domain_ops

static

Initial value:

= {
        .read_resources    = pci_domain_read_resources,
        .set_resources     = pci_domain_set_resources,
        .scan_bus          = pci_domain_scan_bus,
        .acpi_name         = northbridge_acpi_name,
        .write_acpi_tables = northbridge_write_acpi_tables,
}

Definition at line 21 of file northbridge.c.

Referenced by enable_dev().

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ MAP_ENTRY

◆ MAP_ENTRY_BASE_32

◆ MAP_ENTRY_BASE_64

◆ MAP_ENTRY_LIMIT_64

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ disable_devices()

◆ enable_dev()

◆ get_bar()

◆ get_bar_in_mchbar()

◆ init_egress()

◆ mc_add_dram_resources()

◆ mc_add_fixed_mmio_resources()

◆ mc_read_map_entries()

◆ mc_read_resources()

◆ mc_report_map_entries()

◆ northbridge_acpi_name()

◆ northbridge_dmi_init()

◆ northbridge_final()

◆ northbridge_init()

◆ northbridge_topology_init()

◆ read_map_entry()

Variable Documentation

◆ __pci_driver

◆ cpu_bus_ops

◆ mc_fixed_resources

◆ mc_ops

◆ mc_pci_device_ids

◆ memory_map

◆ northbridge_intel_haswell_ops

◆ pci_domain_ops