device_mmio.h File Reference

#include <zephyr/toolchain.h>
#include <zephyr/linker/sections.h>
#include <stdint.h>
#include <stddef.h>
#include <zephyr/kernel/mm.h>
#include <zephyr/sys/sys_io.h>

Go to the source code of this file.

Macros
#define	DEVICE_MMIO_IS_IN_RAM
#define	DEVICE_MMIO_RAM   mm_reg_t _mmio
	Declare storage for MMIO information within a device's dev_data struct.
#define	DEVICE_MMIO_RAM_PTR(device)   (mm_reg_t *)((device)->data)
	Return a pointer to the RAM-based storage area for a device's MMIO address.
#define	DEVICE_MMIO_ROM   struct z_device_mmio_rom _mmio
	Declare storage for MMIO data within a device's config struct.
#define	DEVICE_MMIO_ROM_PTR(dev)    ((struct z_device_mmio_rom *)((dev)->config))
	Return a pointer to the ROM-based storage area for a device's MMIO information.
#define	DEVICE_MMIO_ROM_INIT(node_id)    ._mmio = Z_DEVICE_MMIO_ROM_INITIALIZER(node_id)
	Initialize a DEVICE_MMIO_ROM member.
#define	DEVICE_MMIO_MAP(dev, flags)
	Map MMIO memory into the address space.
#define	DEVICE_MMIO_GET(dev)   (*DEVICE_MMIO_RAM_PTR(dev))
	Obtain the MMIO address for a device.
#define	DEVICE_MMIO_NAMED_RAM(name)   mm_reg_t name
	Declare storage for MMIO data within a device's dev_data struct.
#define	DEVICE_MMIO_NAMED_RAM_PTR(dev, name)    (&(DEV_DATA(dev)->name))
	Return a pointer to the RAM storage for a device's named MMIO address.
#define	DEVICE_MMIO_NAMED_ROM(name)   struct z_device_mmio_rom name
	Declare storage for MMIO data within a device's config struct.
#define	DEVICE_MMIO_NAMED_ROM_PTR(dev, name)   (&(DEV_CFG(dev)->name))
	Return a pointer to the ROM-based storage area for a device's MMIO information.
#define	DEVICE_MMIO_NAMED_ROM_INIT(name, node_id)    .name = Z_DEVICE_MMIO_ROM_INITIALIZER(node_id)
	Initialize a named DEVICE_MMIO_NAMED_ROM member.
#define	DEVICE_MMIO_NAMED_ROM_INIT_BY_NAME(name, node_id)    .name = Z_DEVICE_MMIO_NAMED_ROM_INITIALIZER(name, node_id)
	Initialize a named DEVICE_MMIO_NAMED_ROM member using a named DT reg property.
#define	DEVICE_MMIO_NAMED_MAP(dev, name, flags)
	Set up memory for a named MMIO region.
#define	DEVICE_MMIO_NAMED_GET(dev, name)    (*DEVICE_MMIO_NAMED_RAM_PTR((dev), name))
	Obtain a named MMIO address for a device.
#define	DEVICE_MMIO_TOPLEVEL(name, node_id)
	Declare top-level storage for MMIO information, global scope.
#define	DEVICE_MMIO_TOPLEVEL_DECLARE(name)
	Provide an extern reference to a top-level MMIO region.
#define	DEVICE_MMIO_TOPLEVEL_STATIC(name, node_id)
	Declare top-level storage for MMIO information, static scope.
#define	DEVICE_MMIO_TOPLEVEL_RAM_PTR(name)   &Z_TOPLEVEL_RAM_NAME(name)
	Return a pointer to the RAM storage for a device's toplevel MMIO address.
#define	DEVICE_MMIO_TOPLEVEL_ROM_PTR(name)   &Z_TOPLEVEL_ROM_NAME(name)
	Return a pointer to the ROM-based storage area for a toplevel MMIO region.
#define	DEVICE_MMIO_TOPLEVEL_MAP(name, flags)
	Set up memory for a driver'sMMIO region.
#define	DEVICE_MMIO_TOPLEVEL_GET(name)    ((mm_reg_t)Z_TOPLEVEL_RAM_NAME(name))
	Obtain the MMIO address for a device declared top-level.

Functions
static __boot_func void	device_map (mm_reg_t *virt_addr, uintptr_t phys_addr, size_t size, uint32_t flags)
	Set linear address for device MMIO access.