pcie.c File Reference

#include "chip.h"
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pciexp.h>
#include <device/pci_ids.h>
#include <reg_script.h>
#include <soc/pci_devs.h>
#include <soc/pcie.h>
#include <soc/ramstage.h>
#include <soc/smm.h>

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Functions
static int	root_port_offset (struct device *dev)
static int	is_first_port (struct device *dev)
static void	pcie_init (struct device *dev)
static void	check_port_enabled (struct device *dev)
static void	check_device_present (struct device *dev)
static void	pcie_enable (struct device *dev)

Variables
static int	pll_en_off
static uint32_t	strpfusecfg
static const struct reg_script	no_dev_behind_port []
static struct device_operations	device_ops
static const unsigned short	pci_device_ids []
static const struct pci_driver pcie_root_ports	__pci_driver

Function Documentation

check_device_present()

static void check_device_present ( struct device *  dev )

static

Definition at line 66 of file pcie.c.

References BIOS_DEBUG, device::enabled, is_first_port(), LCTL, LD, MAX_ROOT_PORTS_BSW, no_dev_behind_port, pci_read_config32(), pci_write_config32(), PDS, printk, reg_script_run_on_dev(), SI, SLCTL_SLSTS, southcluster_enable_dev(), and XCAP.

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check_port_enabled()

static void check_port_enabled ( struct device *  dev )

static

Definition at line 40 of file pcie.c.

References reg_script::dev, device::enabled, LANECFG_MASK, LANECFG_SHIFT, PCIE_PORT1_FUNC, PCIE_PORT2_FUNC, PCIE_PORT3_FUNC, PCIE_PORT4_FUNC, root_port_offset(), and strpfusecfg.

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is_first_port()

static int is_first_port ( struct device *  dev )

inlinestatic

Definition at line 24 of file pcie.c.

References PCIE_PORT1_FUNC, and root_port_offset().

Referenced by check_device_present().

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pcie_enable()

static void pcie_enable ( struct device *  dev )

static

Definition at line 116 of file pcie.c.

pcie_init()

static void pcie_init ( struct device *  dev )

static

Definition at line 29 of file pcie.c.

Referenced by mainboard_romstage_entry().

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root_port_offset()

static int root_port_offset ( struct device *  dev )

inlinestatic

Definition at line 19 of file pcie.c.

References pci_path::devfn, device::path, device_path::pci, and PCI_FUNC.

Referenced by check_port_enabled(), and is_first_port().

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Variable Documentation

__pci_driver

const struct pci_driver pcie_root_ports __pci_driver

static

Initial value:

= {
        .ops     = &device_ops,
        .vendor  = PCI_VID_INTEL,
        .devices = pci_device_ids,
}

Definition at line 147 of file pcie.c.

device_ops

struct device_operations device_ops

static

Initial value:

= {
        .read_resources         = pci_bus_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_bus_enable_resources,
        .init                   = pcie_init,
        .scan_bus               = pciexp_scan_bridge,
        .enable                 = pcie_enable,
        .ops_pci                = &pci_dev_ops_pci,
}

Definition at line 116 of file pcie.c.

no_dev_behind_port

const struct reg_script no_dev_behind_port[]

static

Initial value:

= {
        REG_PCI_OR32(PCIEALC, (1 << 26)),
        REG_PCI_POLL32(PCIESTS1, 0x1f000000, (1 << 24), 50000),
        REG_PCI_OR32(PHYCTL4, SQDIS),
        REG_SCRIPT_END,
}

Definition at line 29 of file pcie.c.

Referenced by check_device_present().

pci_device_ids

const unsigned short pci_device_ids[]

static

Initial value:

= {
        PCIE_PORT1_DEVID, PCIE_PORT2_DEVID, PCIE_PORT3_DEVID, PCIE_PORT4_DEVID,
        0
}

Definition at line 147 of file pcie.c.

pll_en_off

int pll_en_off

static

Definition at line 16 of file pcie.c.

strpfusecfg

uint32_t strpfusecfg

static

Definition at line 17 of file pcie.c.

Referenced by check_port_enabled().