14  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
43 static int ast_modeset = -1;
139 	struct device *dev = &pdev->dev;  in ast_detect_chip()
140 	struct device_node *np = dev->of_node;  in ast_detect_chip()
148 	 * Find configuration mode and read SCU revision  in ast_detect_chip()
151 	/* Check if we have device-tree properties */  in ast_detect_chip()
152 	if (np && !of_property_read_u32(np, "aspeed,scu-revision-id", &data)) {  in ast_detect_chip()
156 	} else if (pdev->device == PCI_CHIP_AST2000) { // Not all families have a P2A bridge  in ast_detect_chip()
158 		 * The BMC will set SCU 0x40 D[12] to 1 if the P2 bridge  in ast_detect_chip()
170 			/* Patch AST2500/AST2510 */  in ast_detect_chip()
171 			if ((pdev->revision & 0xf0) == 0x40) {  in ast_detect_chip()
194 		dev_info(dev, "Using device-tree for configuration\n");  in ast_detect_chip()
205 	if (pdev->revision >= 0x50) {  in ast_detect_chip()
208 	} else if (pdev->revision >= 0x40) {  in ast_detect_chip()
215 			chip = AST2500;  in ast_detect_chip()
219 	} else if (pdev->revision >= 0x30) {  in ast_detect_chip()
230 	} else if (pdev->revision >= 0x20) {  in ast_detect_chip()
241 	} else if (pdev->revision >= 0x10) {  in ast_detect_chip()
273 	struct device *dev = &pdev->dev;  in ast_pci_probe()
294 	if (pdev->revision >= 0x40) {  in ast_pci_probe()
296 		 * On AST2500 and later models, MMIO is enabled by  in ast_pci_probe()
302 			return -EIO;  in ast_pci_probe()
303 		if ((len - AST_IO_MM_OFFSET) < AST_IO_MM_LENGTH)  in ast_pci_probe()
304 			return -EIO;  in ast_pci_probe()
313 			return -EIO;  in ast_pci_probe()
324 			return -EIO;  in ast_pci_probe()
325 		if ((len - AST_IO_MM_OFFSET) < AST_IO_MM_LENGTH)  in ast_pci_probe()
326 			return -EIO;  in ast_pci_probe()
359 	ret = drm_dev_register(drm, ent->driver_data);  in ast_pci_probe()
388 	pci_save_state(to_pci_dev(dev->dev));  in ast_drm_freeze()
396 	ast_enable_vga(ast->ioregs);  in ast_drm_thaw()
397 	ast_open_key(ast->ioregs);  in ast_drm_thaw()
398 	ast_enable_mmio(dev->dev, ast->ioregs);  in ast_drm_thaw()
406 	if (pci_enable_device(to_pci_dev(dev->dev)))  in ast_drm_resume()
407 		return -EIO;  in ast_drm_resume()