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