/* drivers/video/sandbox_sdl.c */
int sandbox_lcd_sdl_early_init(void);
+/**
+ * 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);
+
#endif /* _U_BOOT_SANDBOX_H_ */
projects / karo-tx-uboot.git / blobdiff