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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011 The Chromium OS Authors.
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Alex Zuepke <azu@sysgo.de>
*/
#ifndef _U_BOOT_SANDBOX_H_
#define _U_BOOT_SANDBOX_H_
/* board/.../... */
int board_init(void);
/* start.c */
int sandbox_early_getopt_check(void);
int sandbox_main_loop_init(void);
int cleanup_before_linux(void);
/* drivers/video/sandbox_sdl.c */
int sandbox_lcd_sdl_early_init(void);
struct udevice;
/**
* pci_map_physmem() - map a PCI device into memory
*
* This is used on sandbox to map a device into memory so that it can be
* used with normal memory access. After this call, some part of the device's
* internal structure becomes visible.
*
* This function is normally called from sandbox's map_sysmem() automatically.
*
* @paddr: Physical memory address, normally corresponding to a PCI BAR
* @lenp: On entry, the size of the area to map, On exit it is updated
* to the size actually mapped, which may be less if the device
* has less space
* @devp: Returns the device which mapped into this space
* @ptrp: Returns a pointer to the mapped address. The device's space
* can be accessed as @lenp bytes starting here
* Return: 0 if OK, -ve on error
*/
int pci_map_physmem(phys_addr_t paddr, unsigned long *lenp,
struct udevice **devp, void **ptrp);
/**
* pci_unmap_physmem() - undo a memory mapping
*
* This must be called after pci_map_physmem() to undo the mapping.
*
* @paddr: Physical memory address, as passed to pci_map_physmem()
* @len: Size of area mapped, as returned by pci_map_physmem()
* @dev: Device to unmap, as returned by pci_map_physmem()
* Return: 0 if OK, -ve on error
*/
int pci_unmap_physmem(const void *addr, unsigned long len,
struct udevice *dev);
/**
* sandbox_set_enable_pci_map() - Enable / disable PCI address mapping
*
* Since address mapping involves calling every driver, provide a way to
* enable and disable this. It can be handled automatically by the emulator
* uclass, which knows if any emulators are currently active.
*
* If this is disabled, pci_map_physmem() will not be called from
* map_sysmem().
*
* @enable: 0 to disable, 1 to enable
*/
void sandbox_set_enable_pci_map(int enable);
/**
* sandbox_reset() - reset sandbox
*
* This functions implements the cold reboot of the sandbox. It relaunches the
* U-Boot binary with the same command line parameters as the original call.
* The PID of the process stays the same. All file descriptors that have not
* been opened with O_CLOEXEC stay open including stdin, stdout, stderr.
*/
void sandbox_reset(void);
/* Exit sandbox (quit U-Boot) */
void sandbox_exit(void);
#endif /* _U_BOOT_SANDBOX_H_ */
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