northbridge.c File Reference

#include <console/console.h>
#include <device/pci_ops.h>
#include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <stdint.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <string.h>
#include <lib.h>
#include <cpu/cpu.h>
#include <cpu/x86/lapic.h>
#include <cpu/amd/msr.h>
#include <cpu/amd/mtrr.h>
#include <Porting.h>
#include <AGESA.h>
#include <Options.h>
#include <Topology.h>
#include <northbridge/amd/nb_common.h>
#include <northbridge/amd/agesa/state_machine.h>
#include <northbridge/amd/agesa/agesa_helper.h>

Include dependency graph for northbridge.c:

Go to the source code of this file.

Macros
#define	MAX_NODE_NUMS   MAX_NODES

Functions
static void	set_io_addr_reg (struct device *dev, u32 nodeid, u32 linkn, u32 reg, u32 io_min, u32 io_max)
static void	set_mmio_addr_reg (u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max, u32 nodes)
static struct device *	get_node_pci (u32 nodeid, u32 fn)
static void	get_fx_devs (void)
static u32	f1_read_config32 (unsigned int reg)
static void	f1_write_config32 (unsigned int reg, u32 value)
static int	get_dram_base_limit (u32 nodeid, resource_t *basek, resource_t *limitk)
static u32	amdfam16_nodeid (struct device *dev)
static void	set_vga_enable_reg (u32 nodeid, u32 linkn)
static int	reg_useable (unsigned int reg, struct device *goal_dev, unsigned int goal_nodeid, unsigned int goal_link)
static struct resource *	amdfam16_find_iopair (struct device *dev, unsigned int nodeid, unsigned int link)
static struct resource *	amdfam16_find_mempair (struct device *dev, u32 nodeid, u32 link)
static void	amdfam16_link_read_bases (struct device *dev, u32 nodeid, u32 link)
static void	read_resources (struct device *dev)
static void	set_resource (struct device *dev, struct resource *resource, u32 nodeid)
static void	create_vga_resource (struct device *dev, unsigned int nodeid)
	I tried to reuse the resource allocation code in set_resource() but it is too difficult to deal with the resource allocation magic. More...
static void	set_resources (struct device *dev)
static unsigned long	acpi_fill_hest (acpi_hest_t *hest)
static void	northbridge_fill_ssdt_generator (const struct device *device)
static void	patch_ssdt_processor_scope (acpi_header_t *ssdt)
static unsigned long	agesa_write_acpi_tables (const struct device *device, unsigned long current, acpi_rsdp_t *rsdp)
static void	fam16_finalize (void *chip_info)
static void	domain_read_resources (struct device *dev)
static void	domain_set_resources (struct device *dev)
static const char *	domain_acpi_name (const struct device *dev)
static void	sysconf_init (struct device *dev)
static void	cpu_bus_scan (struct device *dev)
static void	cpu_bus_init (struct device *dev)
static void	root_complex_enable_dev (struct device *dev)
u32	map_oprom_vendev (u32 vendev)

Variables
static unsigned int	node_nums
static unsigned int	sblink
static struct device *	__f0_dev [MAX_NODE_NUMS]
static struct device *	__f1_dev [MAX_NODE_NUMS]
static struct device *	__f2_dev [MAX_NODE_NUMS]
static struct device *	__f4_dev [MAX_NODE_NUMS]
static unsigned int	fx_devs = 0
static struct device_operations	northbridge_operations
static const struct pci_driver family16_northbridge	__pci_driver
struct chip_operations	northbridge_amd_agesa_family16kb_ops
static struct device_operations	pci_domain_ops
static struct device_operations	cpu_bus_ops
struct chip_operations	northbridge_amd_agesa_family16kb_root_complex_ops

Macro Definition Documentation

MAX_NODE_NUMS

#define MAX_NODE_NUMS   MAX_NODES

Definition at line 25 of file northbridge.c.

Function Documentation

acpi_fill_hest()

static unsigned long acpi_fill_hest ( acpi_hest_t *  hest )

static

Definition at line 402 of file northbridge.c.

References acpi_create_hest_error_source(), addr, agesawrapper_getlateinitptr(), NULL, PICK_WHEA_CMC, and PICK_WHEA_MCE.

Here is the call graph for this function:

agesa_write_acpi_tables()

static unsigned long agesa_write_acpi_tables ( const struct device *  device, unsigned long  current, acpi_rsdp_t *  rsdp  )

static

Definition at line 458 of file northbridge.c.

amdfam16_find_iopair()

static struct resource* amdfam16_find_iopair ( struct device *  dev, unsigned int  nodeid, unsigned int  link  )

static

Definition at line 184 of file northbridge.c.

References IOINDEX, new_resource(), nodeid(), and reg_useable().

Referenced by amdfam16_link_read_bases().

Here is the call graph for this function:

Here is the caller graph for this function:

amdfam16_find_mempair()

static struct resource* amdfam16_find_mempair ( struct device *  dev, u32  nodeid, u32  link  )

static

Definition at line 212 of file northbridge.c.

References IOINDEX, new_resource(), nodeid(), and reg_useable().

Referenced by amdfam16_link_read_bases().

Here is the call graph for this function:

Here is the caller graph for this function:

amdfam16_link_read_bases()

static void amdfam16_link_read_bases ( struct device *  dev, u32  nodeid, u32  link  )

static

Definition at line 238 of file northbridge.c.

References resource::align, amdfam16_find_iopair(), amdfam16_find_mempair(), resource::base, resource::flags, resource::gran, HT_IO_HOST_ALIGN, HT_MEM_HOST_ALIGN, IORESOURCE_BRIDGE, IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_PREFETCH, resource::limit, log2(), nodeid(), and resource::size.

Referenced by read_resources().

Here is the call graph for this function:

Here is the caller graph for this function:

amdfam16_nodeid()

static u32 amdfam16_nodeid ( struct device *  dev )

static

Definition at line 132 of file northbridge.c.

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

Referenced by read_resources(), and set_resources().

Here is the caller graph for this function:

cpu_bus_init()

static void cpu_bus_init ( struct device *  dev )

static

Definition at line 908 of file northbridge.c.

References initialize_cpus(), and device::link_list.

Here is the call graph for this function:

cpu_bus_scan()

static void cpu_bus_scan ( struct device *  dev )

static

Definition at line 792 of file northbridge.c.

References add_cpu_device(), add_more_links(), amd_cpu_topology, BIOS_ERR, BIOS_SPEW, BIT12, BIT13, BIT15, device::bus, cpuid_eax(), cpuid_ecx(), DEV_CDB, dev_path(), die(), device::enabled, device::link_list, node_nums, NULL, PCI_DEVFN, pci_probe_dev(), pci_read_config32(), pcidev_on_root(), printk, and sysconf_init().

Here is the call graph for this function:

create_vga_resource()

static void create_vga_resource ( struct device *  dev, unsigned int  nodeid  )

static

I tried to reuse the resource allocation code in set_resource() but it is too difficult to deal with the resource allocation magic.

Definition at line 351 of file northbridge.c.

References BIOS_DEBUG, bus::bridge_ctrl, device::bus, bus::dev, dev_path(), device::link_list, bus::next, nodeid(), NULL, PCI_BRIDGE_CTL_VGA, printk, sblink, bus::secondary, set_vga_enable_reg(), bus::subordinate, and vga_pri.

Referenced by set_resources().

Here is the call graph for this function:

Here is the caller graph for this function:

domain_acpi_name()

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

static

Definition at line 771 of file northbridge.c.

References DEVICE_PATH_DOMAIN, NULL, device::path, and device_path::type.

domain_read_resources()

static void domain_read_resources ( struct device *  dev )

static

Definition at line 592 of file northbridge.c.

References __f0_dev, base, f1_read_config32(), resource::flags, get_fx_devs(), IOINDEX, new_resource(), nodeid(), and pci_domain_read_resources().

Here is the call graph for this function:

domain_set_resources()

static void domain_set_resources ( struct device *  dev )

static

Definition at line 675 of file northbridge.c.

References add_uma_resource_below_tolm(), amd_topmem2(), assign_resources(), BIOS_DEBUG, bus::children, find_pci_tolm(), get_dram_base_limit(), device::link_list, bus::next, node_nums, printk, and ram_resource.

Here is the call graph for this function:

f1_read_config32()

static u32 f1_read_config32 ( unsigned int  reg )

static

Definition at line 84 of file northbridge.c.

References __f1_dev, fx_devs, get_fx_devs(), and pci_read_config32().

Referenced by domain_read_resources().

Here is the call graph for this function:

Here is the caller graph for this function:

f1_write_config32()

static void f1_write_config32 ( unsigned int  reg, u32  value  )

static

Definition at line 91 of file northbridge.c.

References __f1_dev, device::enabled, fx_devs, get_fx_devs(), pci_write_config32(), and value.

Referenced by set_vga_enable_reg().

Here is the call graph for this function:

Here is the caller graph for this function:

fam16_finalize()

static void fam16_finalize ( void *  chip_info )

static

Definition at line 569 of file northbridge.c.

References NULL, pci_read_config32(), pci_write_config32(), pcidev_on_root(), and value.

Here is the call graph for this function:

get_dram_base_limit()

static int get_dram_base_limit ( u32  nodeid, resource_t *  basek, resource_t *  limitk  )

static

Definition at line 105 of file northbridge.c.

References __f1_dev, fx_devs, get_fx_devs(), nodeid(), and pci_read_config32().

Referenced by domain_set_resources().

Here is the call graph for this function:

Here is the caller graph for this function:

get_fx_devs()

static void get_fx_devs ( void  )

static

Definition at line 67 of file northbridge.c.

References __f0_dev, __f1_dev, __f2_dev, __f4_dev, BIOS_DEBUG, die(), fx_devs, get_node_pci(), MAX_NODE_NUMS, NULL, and printk.

Referenced by domain_read_resources(), f1_read_config32(), f1_write_config32(), and get_dram_base_limit().

Here is the call graph for this function:

Here is the caller graph for this function:

get_node_pci()

static struct device* get_node_pci ( u32  nodeid, u32  fn  )

static

Definition at line 62 of file northbridge.c.

References DEV_CDB, nodeid(), and pcidev_on_root().

Referenced by get_fx_devs().

Here is the call graph for this function:

Here is the caller graph for this function:

map_oprom_vendev()

u32 map_oprom_vendev

(

u32

vendev

)

Definition at line 938 of file northbridge.c.

References BIOS_NOTICE, and printk.

northbridge_fill_ssdt_generator()

static void northbridge_fill_ssdt_generator ( const struct device *  device )

static

Definition at line 422 of file northbridge.c.

References acpigen_pop_len(), acpigen_write_name_dword(), acpigen_write_scope(), msr_struct::hi, msr_struct::lo, rdmsr(), TOP_MEM, and TOP_MEM2.

Here is the call graph for this function:

patch_ssdt_processor_scope()

static void patch_ssdt_processor_scope ( acpi_header_t *  ssdt )

static

Definition at line 443 of file northbridge.c.

References acpi_checksum(), acpi_table_header::checksum, and acpi_table_header::length.

Here is the call graph for this function:

read_resources()

static void read_resources ( struct device *  dev )

static

Definition at line 280 of file northbridge.c.

References amdfam16_link_read_bases(), amdfam16_nodeid(), bus::children, bus::dev, device::link_list, bus::link_num, mmconf_resource(), MMIO_CONF_BASE, bus::next, and nodeid().

Here is the call graph for this function:

reg_useable()

static int reg_useable ( unsigned int  reg, struct device *  goal_dev, unsigned int  goal_nodeid, unsigned int  goal_link  )

static

Returns

Return values

2	resource does not exist, usable
0	resource exists, not usable
1	resource exist, resource has been allocated before

Definition at line 156 of file northbridge.c.

References __f0_dev, resource::flags, fx_devs, IOINDEX, nodeid(), and probe_resource().

Referenced by amdfam16_find_iopair(), and amdfam16_find_mempair().

Here is the call graph for this function:

Here is the caller graph for this function:

root_complex_enable_dev()

static void root_complex_enable_dev ( struct device *  dev )

static

Definition at line 920 of file northbridge.c.

set_io_addr_reg()

static void set_io_addr_reg ( struct device *  dev, u32  nodeid, u32  linkn, u32  reg, u32  io_min, u32  io_max  )

static

Definition at line 35 of file northbridge.c.

References __f1_dev, node_nums, nodeid(), and pci_write_config32().

Referenced by set_resource().

Here is the call graph for this function:

Here is the caller graph for this function:

set_mmio_addr_reg()

static void set_mmio_addr_reg ( u32  nodeid, u32  linkn, u32  reg, u32  index, u32  mmio_min, u32  mmio_max, u32  nodes  )

static

Definition at line 49 of file northbridge.c.

References __f1_dev, node_nums, nodeid(), and pci_write_config32().

Referenced by set_resource().

Here is the call graph for this function:

Here is the caller graph for this function:

set_resource()

static void set_resource ( struct device *  dev, struct resource *  resource, u32  nodeid  )

static

Definition at line 300 of file northbridge.c.

References resource::base, buf, bus::dev, resource::flags, resource::index, IOINDEX_LINK, IORESOURCE_ASSIGNED, IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_STORED, bus::link_num, node_nums, nodeid(), report_resource_stored(), resource_end(), set_io_addr_reg(), set_mmio_addr_reg(), and snprintf().

Referenced by set_resources().

Here is the call graph for this function:

Here is the caller graph for this function:

set_resources()

static void set_resources ( struct device *  dev )

static

Definition at line 379 of file northbridge.c.

References amdfam16_nodeid(), assign_resources(), bus::children, create_vga_resource(), device::link_list, bus::next, resource::next, nodeid(), device::resource_list, and set_resource().

Here is the call graph for this function:

set_vga_enable_reg()

static void set_vga_enable_reg ( u32  nodeid, u32  linkn  )

static

Definition at line 137 of file northbridge.c.

References f1_write_config32(), nodeid(), and val.

Referenced by create_vga_resource().

Here is the call graph for this function:

Here is the caller graph for this function:

sysconf_init()

static void sysconf_init ( struct device *  dev )

static

Definition at line 786 of file northbridge.c.

References node_nums, pci_read_config32(), and sblink.

Referenced by cpu_bus_scan().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

__f0_dev

struct device* __f0_dev[MAX_NODE_NUMS]

static

Definition at line 29 of file northbridge.c.

Referenced by domain_read_resources(), get_fx_devs(), and reg_useable().

__f1_dev

struct device* __f1_dev[MAX_NODE_NUMS]

static

Definition at line 30 of file northbridge.c.

Referenced by f1_read_config32(), f1_write_config32(), get_dram_base_limit(), get_fx_devs(), set_io_addr_reg(), and set_mmio_addr_reg().

__f2_dev

struct device* __f2_dev[MAX_NODE_NUMS]

static

Definition at line 31 of file northbridge.c.

Referenced by get_fx_devs().

__f4_dev

struct device* __f4_dev[MAX_NODE_NUMS]

static

Definition at line 32 of file northbridge.c.

Referenced by get_fx_devs().

__pci_driver

static const struct pci_driver family10_northbridge __pci_driver

static

Initial value:

= {
        .ops    = &northbridge_operations,
        .vendor = PCI_VID_AMD,
        .device = PCI_DID_AMD_16H_MODEL_000F_NB_HT,
}

Definition at line 458 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             = cpu_bus_init,
        .scan_bus         = cpu_bus_scan,
}

Definition at line 908 of file northbridge.c.

fx_devs

unsigned int fx_devs = 0

static

Definition at line 33 of file northbridge.c.

Referenced by f1_read_config32(), f1_write_config32(), get_dram_base_limit(), get_fx_devs(), and reg_useable().

node_nums

unsigned int node_nums

static

Definition at line 27 of file northbridge.c.

Referenced by cpu_bus_scan(), domain_set_resources(), set_io_addr_reg(), set_mmio_addr_reg(), set_resource(), and sysconf_init().

northbridge_amd_agesa_family16kb_ops

struct chip_operations northbridge_amd_agesa_family16kb_ops

Initial value:

= {
 
        .enable_dev = 0,
        .final = fam16_finalize,
}

Definition at line 569 of file northbridge.c.

northbridge_amd_agesa_family16kb_root_complex_ops

struct chip_operations northbridge_amd_agesa_family16kb_root_complex_ops

Initial value:

= {
 
        .enable_dev = root_complex_enable_dev,
}

Definition at line 920 of file northbridge.c.

northbridge_operations

struct device_operations northbridge_operations

static

Initial value:

= {
        .read_resources   = read_resources,
        .set_resources    = set_resources,
        .enable_resources = pci_dev_enable_resources,
        .acpi_fill_ssdt   = northbridge_fill_ssdt_generator,
        .write_acpi_tables = agesa_write_acpi_tables,
}

Definition at line 458 of file northbridge.c.

pci_domain_ops

struct device_operations pci_domain_ops

static

Initial value:

= {
        .read_resources   = domain_read_resources,
        .set_resources    = domain_set_resources,
        .scan_bus         = pci_domain_scan_bus,
        .acpi_name        = domain_acpi_name,
}

Definition at line 771 of file northbridge.c.

sblink

unsigned int sblink

static

Definition at line 28 of file northbridge.c.

Referenced by create_vga_resource(), and sysconf_init().