systemagent.c File Reference

#include <cbmem.h>
#include <console/console.h>
#include <device/mmio.h>
#include <device/pci_ops.h>
#include <stdint.h>
#include <delay.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <timer.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <soc/systemagent.h>
#include <soc/acpi.h>

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Data Structures
struct	fixed_mmio_descriptor
struct	map_entry

Macros
#define	_1ms   1
#define	WAITING_STEP   100
#define	MAP_ENTRY(reg_, is_64_, is_limit_, 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_)
#define	MAP_ENTRY_BASE_32(reg_, desc_)   MAP_ENTRY(reg_, 0, 0, desc_)

Enumerations
enum	{ TOUUD_REG , TOLUD_REG , TSEG_REG , NUM_MAP_ENTRIES }

Functions
static int	get_pcie_bar (struct device *dev, unsigned int index, u32 *base, u32 *len)
static int	get_bar (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)
static void	systemagent_read_resources (struct device *dev)
static void	systemagent_init (struct device *dev)

Variables
struct fixed_mmio_descriptor	mc_fixed_resources []
static struct map_entry	memory_map [NUM_MAP_ENTRIES]
static struct device_operations	systemagent_ops
static const unsigned short	systemagent_ids []
static const struct pci_driver systemagent_driver	__pci_driver

Macro Definition Documentation

_1ms

#define _1ms   1

Definition at line 20 of file systemagent.c.

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 151 of file systemagent.c.

MAP_ENTRY_BASE_32

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

Definition at line 159 of file systemagent.c.

MAP_ENTRY_BASE_64

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

Definition at line 157 of file systemagent.c.

MAP_ENTRY_LIMIT_64

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

Definition at line 158 of file systemagent.c.

WAITING_STEP

#define WAITING_STEP   100

Definition at line 21 of file systemagent.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
TOUUD_REG
TOLUD_REG
TSEG_REG
NUM_MAP_ENTRIES

Definition at line 161 of file systemagent.c.

Function Documentation

get_bar()

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

static

Definition at line 57 of file systemagent.c.

References base, and pci_read_config32().

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get_pcie_bar()

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

static

Definition at line 23 of file systemagent.c.

References base, and pci_read_config32().

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mc_add_dram_resources()

static void mc_add_dram_resources ( struct device *  dev )

static

Definition at line 191 of file systemagent.c.

References resource::base, BIOS_DEBUG, cbmem_top(), resource::flags, resource::index, IORESOURCE_ASSIGNED, IORESOURCE_CACHEABLE, IORESOURCE_FIXED, IORESOURCE_MEM, IORESOURCE_RESERVE, IORESOURCE_STORED, mc_read_map_entries(), mc_report_map_entries(), mmio_resource, new_resource(), NUM_MAP_ENTRIES, printk, ram_resource, reserved_ram_resource, resource::size, TOLUD_REG, TOUUD_REG, and TSEG_REG.

Referenced by systemagent_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 90 of file systemagent.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, new_resource(), printk, resource::size, and fixed_mmio_descriptor::size.

Referenced by systemagent_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 175 of file systemagent.c.

References memory_map, NUM_MAP_ENTRIES, and read_map_entry().

Referenced by mc_add_dram_resources().

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mc_report_map_entries()

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

static

Definition at line 182 of file systemagent.c.

References BIOS_DEBUG, map_entry::description, memory_map, NUM_MAP_ENTRIES, and printk.

Referenced by mc_add_dram_resources().

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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 125 of file systemagent.c.

Referenced by mc_read_map_entries().

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systemagent_init()

static void systemagent_init ( struct device *  dev )

static

Definition at line 297 of file systemagent.c.

References _1ms, BIOS_DEBUG, DEFAULT_MCHBAR, MCH_BAR_BIOS_RESET_CPL, PCODE_INIT_DONE, printk, read32(), RST_CPL_BIT, stopwatch_expired(), stopwatch_init_msecs_expire(), udelay(), WAITING_STEP, and write32().

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systemagent_read_resources()

static void systemagent_read_resources ( struct device *  dev )

static

Definition at line 285 of file systemagent.c.

References mc_add_dram_resources(), mc_add_fixed_mmio_resources(), and pci_dev_read_resources().

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Variable Documentation

__pci_driver

const struct pci_driver systemagent_driver __pci_driver

static

Initial value:

= {
        .ops = &systemagent_ops,
        .vendor = PCI_VID_INTEL,
        .devices = systemagent_ids
}

Definition at line 335 of file systemagent.c.

mc_fixed_resources

struct fixed_mmio_descriptor mc_fixed_resources[]

Initial value:

= {
        {PCIEXBAR, 0, get_pcie_bar, "PCIEXBAR"},
        {MCHBAR, MCH_BASE_SIZE, get_bar, "MCHBAR"},
}

Definition at line 57 of file systemagent.c.

Referenced by mc_add_fixed_mmio_resources().

memory_map

struct map_entry memory_map[NUM_MAP_ENTRIES]

static

Initial value:

= {
                [TOUUD_REG] = MAP_ENTRY_BASE_64(TOUUD, "TOUUD"),
                [TOLUD_REG] = MAP_ENTRY_BASE_32(TOLUD, "TOLUD"),
                [TSEG_REG] = MAP_ENTRY_BASE_32(TSEGMB, "TSEGMB"),
}

Definition at line 125 of file systemagent.c.

Referenced by mc_read_map_entries(), and mc_report_map_entries().

systemagent_ids

const unsigned short systemagent_ids[]

static

Initial value:

= {
        PCI_DID_INTEL_DNV_SA,
        PCI_DID_INTEL_DNVAD_SA,
        0
}

Definition at line 335 of file systemagent.c.

systemagent_ops

struct device_operations systemagent_ops

static

Initial value:

= {
        .read_resources = systemagent_read_resources,
        .set_resources = pci_dev_set_resources,
        .enable_resources = pci_dev_enable_resources,
        .init = systemagent_init,
        .ops_pci = &soc_pci_ops,
 
 
 
}

Definition at line 297 of file systemagent.c.