#include <assert.h>
#include <console/console.h>
#include <post.h>
#include <device/pci.h>
#include <soc/chip_common.h>
#include <soc/soc_util.h>
#include <soc/util.h>
#include <stdlib.h>

Include dependency graph for chip_common.c:

Data Structures
struct	pci_resource

struct	stack_dev_resource

Enumerations
enum	RES_TYPE { RES_TYPE_IO = 0 , RES_TYPE_NONPREF_MEM , RES_TYPE_PREF_MEM , MAX_RES_TYPES }

Functions
static RES_TYPE	get_res_type (uint64_t flags)

static bool	need_assignment (uint64_t flags)

static uint64_t	get_resource_base (STACK_RES *stack, RES_TYPE res_type)

static void	set_resource_base (STACK_RES *stack, RES_TYPE res_type, uint64_t base)

static void	assign_stack_resources (struct iiostack_resource stack_list, struct device dev, struct resource *bridge)

void	xeonsp_pci_domain_scan_bus (struct device *dev)

static void	xeonsp_pci_dev_iterator (struct bus bus, void(dev_iterator)(struct device , void ), void(res_iterator)(struct device , struct resource , void ), void *data)

static void	xeonsp_pci_dev_read_resources (struct device dev, void data)

static void	xeonsp_pci_dev_dummy_func (struct device *dev)

static void	xeonsp_reset_pci_op (struct device dev, void data)

static STACK_RES *	find_stack_for_bus (struct iiostack_resource *info, uint8_t bus)

static void	add_res_to_stack (struct stack_dev_resource *root, struct device dev, struct resource *res)

static void	reserve_dev_resources (STACK_RES stack, RES_TYPE res_type, struct stack_dev_resource res_root, struct resource *bridge)

static void	reclaim_resource_mem (struct stack_dev_resource *res_root)

static void	assign_bridge_resources (struct iiostack_resource stack_list, struct device dev, struct resource *bridge)

static uint8_t	is_pci64bit_alloc (void)

static void	xeonsp_pci_domain_read_resources (struct device *dev)

static void	reset_resource_to_unassigned (struct device dev, struct resource res, void *data)

void	xeonsp_pci_domain_set_resources (struct device *dev)

void	attach_iio_stacks (struct device *dev)

Enumeration Type Documentation

◆ RES_TYPE

enum RES_TYPE

Enumerator
RES_TYPE_IO
RES_TYPE_NONPREF_MEM
RES_TYPE_PREF_MEM
MAX_RES_TYPES

Definition at line 24 of file chip_common.c.

Function Documentation

◆ add_res_to_stack()

static void add_res_to_stack	(	struct stack_dev_resource **	root,
		struct device *	dev,
		struct resource *	res
	)

static

Definition at line 169 of file chip_common.c.

References resource::align, stack_dev_resource::align, assert, stack_dev_resource::children, pci_resource::dev, die(), malloc(), memset(), pci_resource::next, stack_dev_resource::next, NULL, and pci_resource::res.

Referenced by assign_stack_resources().

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◆ assign_bridge_resources()

static void assign_bridge_resources	(	struct iiostack_resource *	stack_list,
		struct device *	dev,
		struct resource *	bridge
	)

static

Definition at line 303 of file chip_common.c.

References assign_stack_resources(), resource::base, bridge, device::enabled, resource::flags, get_res_type(), IORESOURCE_ASSIGNED, IORESOURCE_BRIDGE, resource::limit, resource::next, and device::resource_list.

Referenced by assign_stack_resources().

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◆ assign_stack_resources()

static void assign_stack_resources	(	struct iiostack_resource *	stack_list,
		struct device *	dev,
		struct resource *	bridge
	)

static

Definition at line 336 of file chip_common.c.

References add_res_to_stack(), assert, assign_bridge_resources(), BIOS_DEBUG, bridge, bus::children, bus::dev, dev_path(), device::enabled, find_stack_for_bus(), resource::flags, get_res_type(), IORESOURCE_ASSIGNED, IORESOURCE_BRIDGE, device::link_list, MAX_RES_TYPES, need_assignment(), bus::next, resource::next, NULL, printk, reclaim_resource_mem(), RES_TYPE_IO, RES_TYPE_NONPREF_MEM, RES_TYPE_PREF_MEM, reserve_dev_resources(), device::resource_list, bus::secondary, device::sibling, and resource::size.

Referenced by assign_bridge_resources(), and xeonsp_pci_domain_read_resources().

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◆ attach_iio_stacks()

void attach_iio_stacks ( struct device * dev )

Definition at line 489 of file chip_common.c.

References BIOS_WARNING, device::bus, bus::children, bus::dev, DEV_FUNC_ENTER, DEV_FUNC_EXIT, dev_path(), pci_path::devfn, DEVICE_PATH_PCI, die(), get_iiostack_info(), device::link_list, bus::link_num, malloc(), memcpy(), memset(), bus::next, iiostack_resource::no_of_stacks, NULL, device::path, device_path::pci, pci_read_config32(), PCI_VENDOR_ID, printk, iiostack_resource::res, s, bus::secondary, bus::subordinate, and device_path::type.

Referenced by chip_enable_dev(), and soc_enable_dev().

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◆ find_stack_for_bus()

static STACK_RES* find_stack_for_bus	(	struct iiostack_resource *	info,
		uint8_t	bus
	)

static

Definition at line 160 of file chip_common.c.

References info, and NULL.

Referenced by assign_stack_resources().

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◆ get_res_type()

static RES_TYPE get_res_type ( uint64_t flags )

static

Definition at line 31 of file chip_common.c.

References BIOS_DEBUG, BIOS_ERR, die(), IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_PREFETCH, printk, RES_TYPE_IO, RES_TYPE_NONPREF_MEM, and RES_TYPE_PREF_MEM.

Referenced by assign_bridge_resources(), and assign_stack_resources().

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◆ get_resource_base()

static uint64_t get_resource_base	(	STACK_RES *	stack,
		RES_TYPE	res_type
	)

static

Definition at line 56 of file chip_common.c.

References assert, RES_TYPE_IO, and RES_TYPE_NONPREF_MEM.

Referenced by reserve_dev_resources().

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◆ is_pci64bit_alloc()

static uint8_t is_pci64bit_alloc ( void )

static

Definition at line 406 of file chip_common.c.

References get_iio_uds().

Referenced by xeonsp_pci_domain_read_resources().

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◆ need_assignment()

static bool need_assignment ( uint64_t flags )

static

Definition at line 47 of file chip_common.c.

References IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_RESERVE, and IORESOURCE_STORED.

Referenced by assign_stack_resources().

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◆ reclaim_resource_mem()

static void reclaim_resource_mem ( struct stack_dev_resource * res_root )

static

Definition at line 285 of file chip_common.c.

References stack_dev_resource::children, free(), pci_resource::next, and stack_dev_resource::next.

Referenced by assign_stack_resources().

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◆ reserve_dev_resources()

static void reserve_dev_resources	(	STACK_RES *	stack,
		RES_TYPE	res_type,
		struct stack_dev_resource *	res_root,
		struct resource *	bridge
	)

static

Definition at line 228 of file chip_common.c.

References resource::align, ALIGN_UP, resource::base, base, bridge, stack_dev_resource::children, resource::flags, get_resource_base(), IORESOURCE_ASSIGNED, resource::limit, pci_resource::next, stack_dev_resource::next, pci_resource::res, set_resource_base(), and resource::size.

Referenced by assign_stack_resources().

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◆ reset_resource_to_unassigned()

static void reset_resource_to_unassigned	(	struct device *	dev,
		struct resource *	res,
		void *	data
	)

static

Definition at line 457 of file chip_common.c.

References IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_RESERVE, and iiostack_resource::res.

Referenced by xeonsp_pci_domain_set_resources().

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◆ set_resource_base()

static void set_resource_base	(	STACK_RES *	stack,
		RES_TYPE	res_type,
		uint64_t	base
	)

static

Definition at line 70 of file chip_common.c.

References assert, base, RES_TYPE_IO, and RES_TYPE_NONPREF_MEM.

Referenced by reserve_dev_resources().

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◆ xeonsp_pci_dev_dummy_func()

static void xeonsp_pci_dev_dummy_func ( struct device * dev )

static

Definition at line 150 of file chip_common.c.

Referenced by xeonsp_reset_pci_op().

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◆ xeonsp_pci_dev_iterator()

static void xeonsp_pci_dev_iterator	(	struct bus *	bus,
		void()(struct device , void *)	dev_iterator,
		void()(struct device , struct resource , void )	res_iterator,
		void *	data
	)