1 // SPDX-License-Identifier: GPL-2.0
7  * Copyright (C) 2013 - 2015 Linaro Ltd.
27 	if (md->attribute & (EFI_MEMORY_WB|EFI_MEMORY_WT|EFI_MEMORY_WC))  in is_memory()
42 		if (!(md->attribute & EFI_MEMORY_RUNTIME))  in efi_to_phys()
44 		if (md->virt_addr == 0)  in efi_to_phys()
47 		if (md->virt_addr <= addr &&  in efi_to_phys()
48 		    (addr - md->virt_addr) < (md->num_pages << EFI_PAGE_SHIFT))  in efi_to_phys()
49 			return md->phys_addr + addr - md->virt_addr;  in efi_to_phys()
77 		/* dummycon on ARM needs non-zero values for columns/lines */  in init_screen_info()
97 		return -ENOMEM;  in uefi_init()
104 	retval = efi_systab_check_header(&systab->hdr, 2);  in uefi_init()
108 	efi.runtime = systab->runtime;  in uefi_init()
109 	efi.runtime_version = systab->hdr.revision;  in uefi_init()
111 	efi_systab_report_header(&systab->hdr, efi_to_phys(systab->fw_vendor));  in uefi_init()
113 	table_size = sizeof(efi_config_table_t) * systab->nr_tables;  in uefi_init()
114 	config_tables = early_memremap_ro(efi_to_phys(systab->tables),  in uefi_init()
118 		retval = -ENOMEM;  in uefi_init()
121 	retval = efi_config_parse_tables(config_tables, systab->nr_tables,  in uefi_init()
136 	switch (md->type) {  in is_usable_memory()
150 		    (md->attribute & EFI_MEMORY_SP))  in is_usable_memory()
158 		return (md->attribute & EFI_MEMORY_WB);  in is_usable_memory()
182 		paddr = md->phys_addr;  in reserve_regions()
183 		npages = md->num_pages;  in reserve_regions()
188 			pr_info("  0x%012llx-0x%012llx %s\n",  in reserve_regions()
189 				paddr, paddr + (npages << EFI_PAGE_SHIFT) - 1,  in reserve_regions()
203 			if (md->type == EFI_ACPI_RECLAIM_MEMORY)  in reserve_regions()
261 		if ((state->sctlr_before_ebs & 1) == 0)  in efi_init()
263 		else if ((state->sctlr_after_ebs & 1) == 0)  in efi_init()
269 			pr_info("CPSR at EFI stub entry        : 0x%08x\n", state->cpsr_before_ebs);  in efi_init()
270 			pr_info("SCTLR at EFI stub entry       : 0x%08x\n", state->sctlr_before_ebs);  in efi_init()
271 			pr_info("CPSR after ExitBootServices() : 0x%08x\n", state->cpsr_after_ebs);  in efi_init()
272 			pr_info("SCTLR after ExitBootServices(): 0x%08x\n", state->sctlr_after_ebs);  in efi_init()
286 	return fb_base >= range->cpu_addr &&  in efifb_overlaps_pci_range()
287 	       fb_base < (range->cpu_addr + range->size);  in efifb_overlaps_pci_range()
346 	struct platform_device *pd;  in register_gop_device()  local
352 	pd = platform_device_alloc("efi-framebuffer", 0);  in register_gop_device()
353 	if (!pd)  in register_gop_device()
354 		return -ENOMEM;  in register_gop_device()
358 		pd->dev.fwnode = &efifb_fwnode;  in register_gop_device()
361 	err = platform_device_add_data(pd, &screen_info, sizeof(screen_info));  in register_gop_device()
365 	return platform_device_add(pd);  in register_gop_device()