53 	uint8_t *bios = adev->bios;  in check_atom_bios()
56 		dev_dbg(adev->dev, "VBIOS mem is null or mem size is wrong\n");  in check_atom_bios()
61 		dev_dbg(adev->dev, "VBIOS signature incorrect %x %x\n", bios[0],  in check_atom_bios()
68 		dev_dbg(adev->dev, "Can't locate VBIOS header\n");  in check_atom_bios()
74 		dev_dbg(adev->dev, "VBIOS header is broken\n");  in check_atom_bios()
80 		dev_dbg(adev->dev, "ATOMBIOS detected\n");  in check_atom_bios()
88  * the IGP rom is not accessible via the rom bar as the IGP rom is
90  * copy of the igp rom at the start of vram if a discrete card is
92  * For SR-IOV, the vbios image is also put in VRAM in the VF.
100 	if (!(adev->flags & AMD_IS_APU))  in amdgpu_read_bios_from_vram()
105 	if (pci_resource_len(adev->pdev, 0) == 0)  in amdgpu_read_bios_from_vram()
108 	adev->bios = NULL;  in amdgpu_read_bios_from_vram()
109 	vram_base = pci_resource_start(adev->pdev, 0);  in amdgpu_read_bios_from_vram()
114 	adev->bios = kmalloc(size, GFP_KERNEL);  in amdgpu_read_bios_from_vram()
115 	if (!adev->bios) {  in amdgpu_read_bios_from_vram()
119 	adev->bios_size = size;  in amdgpu_read_bios_from_vram()
120 	memcpy_fromio(adev->bios, bios, size);  in amdgpu_read_bios_from_vram()
124 		kfree(adev->bios);  in amdgpu_read_bios_from_vram()
136 	adev->bios = NULL;  in amdgpu_read_bios()
137 	/* XXX: some cards may return 0 for rom size? ddx has a workaround */  in amdgpu_read_bios()
138 	bios = pci_map_rom(adev->pdev, &size);  in amdgpu_read_bios()
142 	adev->bios = kzalloc(size, GFP_KERNEL);  in amdgpu_read_bios()
143 	if (adev->bios == NULL) {  in amdgpu_read_bios()
144 		pci_unmap_rom(adev->pdev, bios);  in amdgpu_read_bios()
147 	adev->bios_size = size;  in amdgpu_read_bios()
148 	memcpy_fromio(adev->bios, bios, size);  in amdgpu_read_bios()
149 	pci_unmap_rom(adev->pdev, bios);  in amdgpu_read_bios()
152 		kfree(adev->bios);  in amdgpu_read_bios()
164 	if (!adev->asic_funcs || !adev->asic_funcs->read_bios_from_rom)  in amdgpu_read_bios_from_rom()
181 	adev->bios = kmalloc(len, GFP_KERNEL);  in amdgpu_read_bios_from_rom()
182 	if (!adev->bios) {  in amdgpu_read_bios_from_rom()
186 	adev->bios_size = len;  in amdgpu_read_bios_from_rom()
189 	amdgpu_asic_read_bios_from_rom(adev, adev->bios, len);  in amdgpu_read_bios_from_rom()
192 		kfree(adev->bios);  in amdgpu_read_bios_from_rom()
201 	phys_addr_t rom = adev->pdev->rom;  in amdgpu_read_platform_bios()  local
202 	size_t romlen = adev->pdev->romlen;  in amdgpu_read_platform_bios()
205 	adev->bios = NULL;  in amdgpu_read_platform_bios()
207 	if (!rom || romlen == 0)  in amdgpu_read_platform_bios()
210 	adev->bios = kzalloc(romlen, GFP_KERNEL);  in amdgpu_read_platform_bios()
211 	if (!adev->bios)  in amdgpu_read_platform_bios()
214 	bios = ioremap(rom, romlen);  in amdgpu_read_platform_bios()
218 	memcpy_fromio(adev->bios, bios, romlen);  in amdgpu_read_platform_bios()
224 	adev->bios_size = romlen;  in amdgpu_read_platform_bios()
228 	kfree(adev->bios);  in amdgpu_read_platform_bios()
234  * dual-gpu systems.
236 /* retrieve the ROM in 4k blocks */
239  * amdgpu_atrm_call - fetch a chunk of the vbios
270 		return -ENODEV;  in amdgpu_atrm_call()
274 	memcpy(bios+offset, obj->buffer.pointer, obj->buffer.length);  in amdgpu_atrm_call()
275 	len = obj->buffer.length;  in amdgpu_atrm_call()
290 	/* ATRM is for on-platform devices only */  in amdgpu_atrm_get_bios()
291 	if (dev_is_removable(&adev->pdev->dev))  in amdgpu_atrm_get_bios()
295 		if ((pdev->class != PCI_CLASS_DISPLAY_VGA << 8) &&  in amdgpu_atrm_get_bios()
296 		    (pdev->class != PCI_CLASS_DISPLAY_OTHER << 8))  in amdgpu_atrm_get_bios()
299 		dhandle = ACPI_HANDLE(&pdev->dev);  in amdgpu_atrm_get_bios()
314 	adev->bios = kmalloc(size, GFP_KERNEL);  in amdgpu_atrm_get_bios()
315 	if (!adev->bios) {  in amdgpu_atrm_get_bios()
316 		dev_err(adev->dev, "Unable to allocate bios\n");  in amdgpu_atrm_get_bios()
322 				       adev->bios,  in amdgpu_atrm_get_bios()
330 		kfree(adev->bios);  in amdgpu_atrm_get_bios()
333 	adev->bios_size = size;  in amdgpu_atrm_get_bios()
345 	return (!adev->asic_funcs || !adev->asic_funcs->read_disabled_bios) ?  in amdgpu_read_disabled_bios()
359 	tbl_size = hdr->length;  in amdgpu_acpi_vfct_bios()
361 		dev_info(adev->dev, "ACPI VFCT table present but broken (too short #1),skipping\n");  in amdgpu_acpi_vfct_bios()
366 	offset = vfct->VBIOSImageOffset;  in amdgpu_acpi_vfct_bios()
370 		VFCT_IMAGE_HEADER *vhdr = &vbios->VbiosHeader;  in amdgpu_acpi_vfct_bios()
374 			dev_info(adev->dev, "ACPI VFCT image header truncated,skipping\n");  in amdgpu_acpi_vfct_bios()
378 		offset += vhdr->ImageLength;  in amdgpu_acpi_vfct_bios()
380 			dev_info(adev->dev, "ACPI VFCT image truncated,skipping\n");  in amdgpu_acpi_vfct_bios()
384 		if (vhdr->ImageLength &&  in amdgpu_acpi_vfct_bios()
385 		    vhdr->PCIBus == adev->pdev->bus->number &&  in amdgpu_acpi_vfct_bios()
386 		    vhdr->PCIDevice == PCI_SLOT(adev->pdev->devfn) &&  in amdgpu_acpi_vfct_bios()
387 		    vhdr->PCIFunction == PCI_FUNC(adev->pdev->devfn) &&  in amdgpu_acpi_vfct_bios()
388 		    vhdr->VendorID == adev->pdev->vendor &&  in amdgpu_acpi_vfct_bios()
389 		    vhdr->DeviceID == adev->pdev->device) {  in amdgpu_acpi_vfct_bios()
390 			adev->bios = kmemdup(&vbios->VbiosContent,  in amdgpu_acpi_vfct_bios()
391 					     vhdr->ImageLength,  in amdgpu_acpi_vfct_bios()
394 			if (!check_atom_bios(adev, vhdr->ImageLength)) {  in amdgpu_acpi_vfct_bios()
395 				kfree(adev->bios);  in amdgpu_acpi_vfct_bios()
398 			adev->bios_size = vhdr->ImageLength;  in amdgpu_acpi_vfct_bios()
403 	dev_info(adev->dev, "ACPI VFCT table present but broken (too short #2),skipping\n");  in amdgpu_acpi_vfct_bios()
416 		dev_info(adev->dev, "Fetched VBIOS from VFCT\n");  in amdgpu_get_bios_apu()
421 		dev_info(adev->dev, "Fetched VBIOS from VRAM BAR\n");  in amdgpu_get_bios_apu()
426 		dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n");  in amdgpu_get_bios_apu()
431 		dev_info(adev->dev, "Fetched VBIOS from platform\n");  in amdgpu_get_bios_apu()
435 	dev_err(adev->dev, "Unable to locate a BIOS ROM\n");  in amdgpu_get_bios_apu()
444 	struct resource *res = &adev->pdev->resource[PCI_ROM_RESOURCE];  in amdgpu_prefer_rom_resource()
446 	return (res->flags & IORESOURCE_ROM_SHADOW);  in amdgpu_prefer_rom_resource()
452 		dev_info(adev->dev, "Fetched VBIOS from ATRM\n");  in amdgpu_get_bios_dgpu()
457 		dev_info(adev->dev, "Fetched VBIOS from VFCT\n");  in amdgpu_get_bios_dgpu()
461 	/* this is required for SR-IOV */  in amdgpu_get_bios_dgpu()
463 		dev_info(adev->dev, "Fetched VBIOS from VRAM BAR\n");  in amdgpu_get_bios_dgpu()
469 			dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n");  in amdgpu_get_bios_dgpu()
474 			dev_info(adev->dev, "Fetched VBIOS from platform\n");  in amdgpu_get_bios_dgpu()
480 			dev_info(adev->dev, "Fetched VBIOS from platform\n");  in amdgpu_get_bios_dgpu()
485 			dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n");  in amdgpu_get_bios_dgpu()
491 		dev_info(adev->dev, "Fetched VBIOS from ROM\n");  in amdgpu_get_bios_dgpu()
496 		dev_info(adev->dev, "Fetched VBIOS from disabled ROM BAR\n");  in amdgpu_get_bios_dgpu()
500 	dev_err(adev->dev, "Unable to locate a BIOS ROM\n");  in amdgpu_get_bios_dgpu()
511 	if (adev->flags & AMD_IS_APU)  in amdgpu_get_bios()
517 		adev->is_atom_fw = adev->asic_type >= CHIP_VEGA10;  in amdgpu_get_bios()
522 /* helper function for soc15 and onwards to read bios from rom */
537 	if (adev->flags & AMD_IS_APU)  in amdgpu_soc15_read_bios_from_rom()
539 	if (!adev->smuio.funcs ||  in amdgpu_soc15_read_bios_from_rom()
540 	    !adev->smuio.funcs->get_rom_index_offset ||  in amdgpu_soc15_read_bios_from_rom()
541 	    !adev->smuio.funcs->get_rom_data_offset)  in amdgpu_soc15_read_bios_from_rom()
548 		adev->smuio.funcs->get_rom_index_offset(adev);  in amdgpu_soc15_read_bios_from_rom()
550 		adev->smuio.funcs->get_rom_data_offset(adev);  in amdgpu_soc15_read_bios_from_rom()
552 	if (adev->nbio.funcs &&  in amdgpu_soc15_read_bios_from_rom()
553 	    adev->nbio.funcs->get_rom_offset) {  in amdgpu_soc15_read_bios_from_rom()
554 		rom_offset = adev->nbio.funcs->get_rom_offset(adev);  in amdgpu_soc15_read_bios_from_rom()
560 	/* set rom index to rom_offset */  in amdgpu_soc15_read_bios_from_rom()
562 	/* read out the rom data */  in amdgpu_soc15_read_bios_from_rom()