90 static bool igp_read_bios_from_vram(struct amdgpu_device *adev)  in igp_read_bios_from_vram()  argument
96 	if (!(adev->flags & AMD_IS_APU))  in igp_read_bios_from_vram()
97 		if (amdgpu_device_need_post(adev))  in igp_read_bios_from_vram()
101 	if (pci_resource_len(adev->pdev, 0) == 0)  in igp_read_bios_from_vram()
104 	adev->bios = NULL;  in igp_read_bios_from_vram()
105 	vram_base = pci_resource_start(adev->pdev, 0);  in igp_read_bios_from_vram()
111 	adev->bios = kmalloc(size, GFP_KERNEL);  in igp_read_bios_from_vram()
112 	if (!adev->bios) {  in igp_read_bios_from_vram()
116 	adev->bios_size = size;  in igp_read_bios_from_vram()
117 	memcpy_fromio(adev->bios, bios, size);  in igp_read_bios_from_vram()
120 	if (!check_atom_bios(adev->bios, size)) {  in igp_read_bios_from_vram()
121 		kfree(adev->bios);  in igp_read_bios_from_vram()
128 bool amdgpu_read_bios(struct amdgpu_device *adev)  in amdgpu_read_bios()  argument
133 	adev->bios = NULL;  in amdgpu_read_bios()
135 	bios = pci_map_rom(adev->pdev, &size);  in amdgpu_read_bios()
140 	adev->bios = kzalloc(size, GFP_KERNEL);  in amdgpu_read_bios()
141 	if (adev->bios == NULL) {  in amdgpu_read_bios()
142 		pci_unmap_rom(adev->pdev, bios);  in amdgpu_read_bios()
145 	adev->bios_size = size;  in amdgpu_read_bios()
146 	memcpy_fromio(adev->bios, bios, size);  in amdgpu_read_bios()
147 	pci_unmap_rom(adev->pdev, bios);  in amdgpu_read_bios()
149 	if (!check_atom_bios(adev->bios, size)) {  in amdgpu_read_bios()
150 		kfree(adev->bios);  in amdgpu_read_bios()
157 static bool amdgpu_read_bios_from_rom(struct amdgpu_device *adev)  in amdgpu_read_bios_from_rom()  argument
162 	if (!adev->asic_funcs || !adev->asic_funcs->read_bios_from_rom)  in amdgpu_read_bios_from_rom()
166 	if (amdgpu_asic_read_bios_from_rom(adev, &header[0], sizeof(header)) == false)  in amdgpu_read_bios_from_rom()
179 	adev->bios = kmalloc(len, GFP_KERNEL);  in amdgpu_read_bios_from_rom()
180 	if (!adev->bios) {  in amdgpu_read_bios_from_rom()
184 	adev->bios_size = len;  in amdgpu_read_bios_from_rom()
187 	amdgpu_asic_read_bios_from_rom(adev, adev->bios, len);  in amdgpu_read_bios_from_rom()
189 	if (!check_atom_bios(adev->bios, len)) {  in amdgpu_read_bios_from_rom()
190 		kfree(adev->bios);  in amdgpu_read_bios_from_rom()
197 static bool amdgpu_read_platform_bios(struct amdgpu_device *adev)  in amdgpu_read_platform_bios()  argument
199 	phys_addr_t rom = adev->pdev->rom;  in amdgpu_read_platform_bios()
200 	size_t romlen = adev->pdev->romlen;  in amdgpu_read_platform_bios()
203 	adev->bios = NULL;  in amdgpu_read_platform_bios()
208 	adev->bios = kzalloc(romlen, GFP_KERNEL);  in amdgpu_read_platform_bios()
209 	if (!adev->bios)  in amdgpu_read_platform_bios()
216 	memcpy_fromio(adev->bios, bios, romlen);  in amdgpu_read_platform_bios()
219 	if (!check_atom_bios(adev->bios, romlen))  in amdgpu_read_platform_bios()
222 	adev->bios_size = romlen;  in amdgpu_read_platform_bios()
226 	kfree(adev->bios);  in amdgpu_read_platform_bios()
278 static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev)  in amdgpu_atrm_get_bios()  argument
289 	if (adev->flags & AMD_IS_APU)  in amdgpu_atrm_get_bios()
321 	adev->bios = kmalloc(size, GFP_KERNEL);  in amdgpu_atrm_get_bios()
322 	if (!adev->bios) {  in amdgpu_atrm_get_bios()
323 		dev_err(adev->dev, "Unable to allocate bios\n");  in amdgpu_atrm_get_bios()
329 				       adev->bios,  in amdgpu_atrm_get_bios()
336 	if (!check_atom_bios(adev->bios, size)) {  in amdgpu_atrm_get_bios()
337 		kfree(adev->bios);  in amdgpu_atrm_get_bios()
340 	adev->bios_size = size;  in amdgpu_atrm_get_bios()
344 static inline bool amdgpu_atrm_get_bios(struct amdgpu_device *adev)  in amdgpu_atrm_get_bios()  argument
350 static bool amdgpu_read_disabled_bios(struct amdgpu_device *adev)  in amdgpu_read_disabled_bios()  argument
352 	if (adev->flags & AMD_IS_APU)  in amdgpu_read_disabled_bios()
353 		return igp_read_bios_from_vram(adev);  in amdgpu_read_disabled_bios()
355 		return (!adev->asic_funcs || !adev->asic_funcs->read_disabled_bios) ?  in amdgpu_read_disabled_bios()
356 			false : amdgpu_asic_read_disabled_bios(adev);  in amdgpu_read_disabled_bios()
360 static bool amdgpu_acpi_vfct_bios(struct amdgpu_device *adev)  in amdgpu_acpi_vfct_bios()  argument
371 		dev_info(adev->dev, "ACPI VFCT table present but broken (too short #1),skipping\n");  in amdgpu_acpi_vfct_bios()
384 			dev_info(adev->dev, "ACPI VFCT image header truncated,skipping\n");  in amdgpu_acpi_vfct_bios()
390 			dev_info(adev->dev, "ACPI VFCT image truncated,skipping\n");  in amdgpu_acpi_vfct_bios()
395 		    vhdr->PCIBus == adev->pdev->bus->number &&  in amdgpu_acpi_vfct_bios()
396 		    vhdr->PCIDevice == PCI_SLOT(adev->pdev->devfn) &&  in amdgpu_acpi_vfct_bios()
397 		    vhdr->PCIFunction == PCI_FUNC(adev->pdev->devfn) &&  in amdgpu_acpi_vfct_bios()
398 		    vhdr->VendorID == adev->pdev->vendor &&  in amdgpu_acpi_vfct_bios()
399 		    vhdr->DeviceID == adev->pdev->device) {  in amdgpu_acpi_vfct_bios()
400 			adev->bios = kmemdup(&vbios->VbiosContent,  in amdgpu_acpi_vfct_bios()
404 			if (!check_atom_bios(adev->bios, vhdr->ImageLength)) {  in amdgpu_acpi_vfct_bios()
405 				kfree(adev->bios);  in amdgpu_acpi_vfct_bios()
408 			adev->bios_size = vhdr->ImageLength;  in amdgpu_acpi_vfct_bios()
413 	dev_info(adev->dev, "ACPI VFCT table present but broken (too short #2),skipping\n");  in amdgpu_acpi_vfct_bios()
417 static inline bool amdgpu_acpi_vfct_bios(struct amdgpu_device *adev)  in amdgpu_acpi_vfct_bios()  argument
423 bool amdgpu_get_bios(struct amdgpu_device *adev)  in amdgpu_get_bios()  argument
425 	if (amdgpu_atrm_get_bios(adev)) {  in amdgpu_get_bios()
426 		dev_info(adev->dev, "Fetched VBIOS from ATRM\n");  in amdgpu_get_bios()
430 	if (amdgpu_acpi_vfct_bios(adev)) {  in amdgpu_get_bios()
431 		dev_info(adev->dev, "Fetched VBIOS from VFCT\n");  in amdgpu_get_bios()
435 	if (igp_read_bios_from_vram(adev)) {  in amdgpu_get_bios()
436 		dev_info(adev->dev, "Fetched VBIOS from VRAM BAR\n");  in amdgpu_get_bios()
440 	if (amdgpu_read_bios(adev)) {  in amdgpu_get_bios()
441 		dev_info(adev->dev, "Fetched VBIOS from ROM BAR\n");  in amdgpu_get_bios()
445 	if (amdgpu_read_bios_from_rom(adev)) {  in amdgpu_get_bios()
446 		dev_info(adev->dev, "Fetched VBIOS from ROM\n");  in amdgpu_get_bios()
450 	if (amdgpu_read_disabled_bios(adev)) {  in amdgpu_get_bios()
451 		dev_info(adev->dev, "Fetched VBIOS from disabled ROM BAR\n");  in amdgpu_get_bios()
455 	if (amdgpu_read_platform_bios(adev)) {  in amdgpu_get_bios()
456 		dev_info(adev->dev, "Fetched VBIOS from platform\n");  in amdgpu_get_bios()
460 	dev_err(adev->dev, "Unable to locate a BIOS ROM\n");  in amdgpu_get_bios()
464 	adev->is_atom_fw = (adev->asic_type >= CHIP_VEGA10) ? true : false;  in amdgpu_get_bios()