systemagent.c File Reference

#include <cbmem.h>
#include <console/console.h>
#include <cpu/cpu.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <intelblocks/acpi.h>
#include <intelblocks/cfg.h>
#include <intelblocks/systemagent.h>
#include <smbios.h>
#include <soc/iomap.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include <soc/systemagent.h>
#include <types.h>
#include "systemagent_def.h"

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Functions
__weak void	soc_systemagent_init (struct device *dev)
__weak void	soc_add_fixed_mmio_resources (struct device *dev, int *resource_cnt)
__weak int	soc_get_uncore_prmmr_base_and_mask (uint64_t *base, uint64_t *mask)
__weak unsigned long	sa_write_acpi_tables (const struct device *dev, unsigned long current, struct acpi_rsdp *rsdp)
__weak uint32_t	soc_systemagent_max_chan_capacity_mib (u8 capid0_a_ddrsz)
static uint8_t	sa_get_ecc_type (const uint32_t capid0_a)
static size_t	sa_slots_per_channel (const uint32_t capid0_a)
static size_t	sa_number_of_channels (const uint32_t capid0_a)
static void	sa_soc_systemagent_init (struct device *dev)
void	sa_add_fixed_mmio_resources (struct device *dev, int *resource_cnt, const struct sa_mmio_descriptor *sa_fixed_resources, size_t count)
static void	sa_read_map_entry (struct device *dev, const struct sa_mem_map_descriptor *entry, uint64_t *result)
void	sa_fill_gnvs (struct global_nvs *gnvs)
static void	sa_get_mem_map (struct device *dev, uint64_t *values)
static void	sa_add_dram_resources (struct device *dev, int *resource_count)
static bool	is_imr_enabled (uint32_t imr_base_reg)
static void	imr_resource (struct device *dev, int idx, uint32_t base, uint32_t mask)
static void	sa_add_imr_resources (struct device *dev, int *resource_cnt)
static void	systemagent_read_resources (struct device *dev)
void	enable_power_aware_intr (void)
void	sa_lock_pam (void)

Variables
static const struct sa_mem_map_descriptor	sa_memory_map [MAX_MAP_ENTRIES]
static struct device_operations	systemagent_ops
static const unsigned short	systemagent_ids []
static const struct pci_driver systemagent_driver	__pci_driver

Function Documentation

enable_power_aware_intr()

void enable_power_aware_intr

(

void

)

Definition at line 298 of file systemagent.c.

References MCH_PAIR, and MCHBAR8.

Referenced by soc_systemagent_init().

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imr_resource()

static void imr_resource ( struct device *  dev, int  idx, uint32_t  base, uint32_t  mask  )

static

Definition at line 239 of file systemagent.c.

References base, mask, and reserved_ram_resource.

Referenced by sa_add_imr_resources().

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is_imr_enabled()

static bool is_imr_enabled ( uint32_t  imr_base_reg )

static

Definition at line 234 of file systemagent.c.

Referenced by sa_add_imr_resources().

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sa_add_dram_resources()

static void sa_add_dram_resources ( struct device *  dev, int *  resource_count  )

static

Definition at line 187 of file systemagent.c.

References cbmem_top(), GiB, KiB, MAX_MAP_ENTRIES, MiB, mmio_resource, ram_resource, reserved_ram_resource, sa_get_mem_map(), SA_TOLUD_REG, and SA_TOUUD_REG.

Referenced by systemagent_read_resources().

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sa_add_fixed_mmio_resources()

void sa_add_fixed_mmio_resources	(	struct device *	dev,
		int *	resource_cnt,
		const struct sa_mmio_descriptor *	sa_fixed_resources,
		size_t	count
	)

Definition at line 87 of file systemagent.c.

References base, sa_mmio_descriptor::base, count, KiB, mmio_resource, and sa_mmio_descriptor::size.

Referenced by soc_add_fixed_mmio_resources().

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sa_add_imr_resources()

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

static

Definition at line 259 of file systemagent.c.

References base, imr_resource(), is_imr_enabled(), mask, MCH_IMR0_BASE, MCH_IMR0_MASK, MCH_IMR_PITCH, MCH_NUM_IMRS, and MCHBAR32.

Referenced by systemagent_read_resources().

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sa_fill_gnvs()

void sa_fill_gnvs

(

struct global_nvs *

gnvs

)

Definition at line 140 of file systemagent.c.

References global_nvs::a4gb, global_nvs::a4gs, BIOS_DEBUG, cpu_phys_address_size(), gnvs, pcidev_path_on_root(), POWER_OF_2, printk, SA_DEVFN_ROOT, sa_memory_map, sa_read_map_entry(), and SA_TOUUD_REG.

Referenced by soc_fill_gnvs().

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sa_get_ecc_type()

static uint8_t sa_get_ecc_type ( const uint32_t  capid0_a )

static

Definition at line 51 of file systemagent.c.

References CAPID_ECCDIS, MEMORY_ARRAY_ECC_NONE, and MEMORY_ARRAY_ECC_SINGLE_BIT.

Referenced by sa_soc_systemagent_init().

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sa_get_mem_map()

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

static

Definition at line 150 of file systemagent.c.

References MAX_MAP_ENTRIES, sa_memory_map, and sa_read_map_entry().

Referenced by sa_add_dram_resources().

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sa_lock_pam()

void sa_lock_pam

(

void

)

Definition at line 309 of file systemagent.c.

References PAM0, PAM_LOCK, pci_or_config8(), pcidev_path_on_root(), and SA_DEVFN_ROOT.

Referenced by sa_lockdown_config().

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sa_number_of_channels()

static size_t sa_number_of_channels ( const uint32_t  capid0_a )

static

Definition at line 61 of file systemagent.c.

References CAPID_PDCD.

Referenced by sa_soc_systemagent_init().

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sa_read_map_entry()

static void sa_read_map_entry ( struct device *  dev, const struct sa_mem_map_descriptor *  entry, uint64_t *  result  )

static

Definition at line 122 of file systemagent.c.

References ALIGN_DOWN, sa_mem_map_descriptor::is_64_bit, MiB, pci_read_config32(), sa_mem_map_descriptor::reg, and value.

Referenced by sa_fill_gnvs(), and sa_get_mem_map().

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sa_slots_per_channel()

static size_t sa_slots_per_channel ( const uint32_t  capid0_a )

static

Definition at line 56 of file systemagent.c.

References CAPID_DDPCD.

Referenced by sa_soc_systemagent_init().

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sa_soc_systemagent_init()

static void sa_soc_systemagent_init ( struct device *  dev )

static

Definition at line 66 of file systemagent.c.

References CAPID0_A, CAPID_DDRSZ, cbmem_find(), CBMEM_ID_MEMINFO, m, NULL, pci_read_config32(), sa_get_ecc_type(), sa_number_of_channels(), sa_slots_per_channel(), soc_systemagent_init(), and soc_systemagent_max_chan_capacity_mib().

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sa_write_acpi_tables()

__weak unsigned long sa_write_acpi_tables	(	const struct device *	dev,
		unsigned long	current,
		struct acpi_rsdp *	rsdp
	)

Definition at line 39 of file systemagent.c.

soc_add_fixed_mmio_resources()

__weak void soc_add_fixed_mmio_resources	(	struct device *	dev,
		int *	resource_cnt
	)

Definition at line 26 of file systemagent.c.

soc_get_uncore_prmmr_base_and_mask()

__weak int soc_get_uncore_prmmr_base_and_mask	(	uint64_t *	base,
		uint64_t *	mask
	)

Definition at line 32 of file systemagent.c.

soc_systemagent_init()

__weak void soc_systemagent_init

(

struct device *

dev

)

Definition at line 21 of file systemagent.c.

soc_systemagent_max_chan_capacity_mib()

__weak uint32_t soc_systemagent_max_chan_capacity_mib

(

u8

capid0_a_ddrsz

)

Definition at line 46 of file systemagent.c.

systemagent_read_resources()

static void systemagent_read_resources ( struct device *  dev )

static

Definition at line 277 of file systemagent.c.

References CONFIG, KiB, mmio_resource, pci_dev_read_resources(), sa_add_dram_resources(), sa_add_imr_resources(), and soc_add_fixed_mmio_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 329 of file systemagent.c.

sa_memory_map

const struct sa_mem_map_descriptor sa_memory_map[MAX_MAP_ENTRIES]

static

Initial value:

= {
        { TOUUD, true, "TOUUD" },
        { TOLUD, false, "TOLUD" },
        { BGSM, false, "BGSM" },
        { TSEG, false, "TSEG" },
}

Definition at line 87 of file systemagent.c.

Referenced by sa_fill_gnvs(), and sa_get_mem_map().

systemagent_ids

const unsigned short systemagent_ids[]

static

Definition at line 329 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             = sa_soc_systemagent_init,
        .ops_pci          = &pci_dev_ops_pci,
 
 
 
}

Definition at line 309 of file systemagent.c.