1 // SPDX-License-Identifier: MIT
3  * Copyright(c) 2019-2025, Intel Corporation. All rights reserved.
38 	struct auxiliary_device *aux = container_of(dev, struct auxiliary_device, dev);  in xe_nvm_release_dev()  local
39 	struct intel_dg_nvm_dev *nvm = container_of(aux, struct intel_dg_nvm_dev, aux_dev);  in xe_nvm_release_dev()
48 	if (xe->info.platform != XE_BATTLEMAGE)  in xe_nvm_non_posted_erase()
60 	switch (xe->info.platform) {  in xe_nvm_writable_override()
74 		drm_err(&xe->drm, "Unknown platform\n");  in xe_nvm_writable_override()
82 		drm_info(&xe->drm, "NVM access overridden by jumper\n");  in xe_nvm_writable_override()
88 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);  in xe_nvm_init()
93 	if (!xe->info.has_gsc_nvm)  in xe_nvm_init()
101 	if (WARN_ON(xe->nvm))  in xe_nvm_init()
102 		return -EFAULT;  in xe_nvm_init()
104 	xe->nvm = kzalloc(sizeof(*nvm), GFP_KERNEL);  in xe_nvm_init()
105 	if (!xe->nvm)  in xe_nvm_init()
106 		return -ENOMEM;  in xe_nvm_init()
108 	nvm = xe->nvm;  in xe_nvm_init()
110 	nvm->writable_override = xe_nvm_writable_override(xe);  in xe_nvm_init()
111 	nvm->non_posted_erase = xe_nvm_non_posted_erase(xe);  in xe_nvm_init()
112 	nvm->bar.parent = &pdev->resource[0];  in xe_nvm_init()
113 	nvm->bar.start = GEN12_GUNIT_NVM_BASE + pdev->resource[0].start;  in xe_nvm_init()
114 	nvm->bar.end = nvm->bar.start + GEN12_GUNIT_NVM_SIZE - 1;  in xe_nvm_init()
115 	nvm->bar.flags = IORESOURCE_MEM;  in xe_nvm_init()
116 	nvm->bar.desc = IORES_DESC_NONE;  in xe_nvm_init()
117 	nvm->regions = regions;  in xe_nvm_init()
119 	nvm->bar2.parent = &pdev->resource[0];  in xe_nvm_init()
120 	nvm->bar2.start = GEN12_DEBUG_NVM_BASE + pdev->resource[0].start;  in xe_nvm_init()
121 	nvm->bar2.end = nvm->bar2.start + GEN12_DEBUG_NVM_SIZE - 1;  in xe_nvm_init()
122 	nvm->bar2.flags = IORESOURCE_MEM;  in xe_nvm_init()
123 	nvm->bar2.desc = IORES_DESC_NONE;  in xe_nvm_init()
125 	aux_dev = &nvm->aux_dev;  in xe_nvm_init()
127 	aux_dev->name = "nvm";  in xe_nvm_init()
128 	aux_dev->id = (pci_domain_nr(pdev->bus) << 16) | pci_dev_id(pdev);  in xe_nvm_init()
129 	aux_dev->dev.parent = &pdev->dev;  in xe_nvm_init()
130 	aux_dev->dev.release = xe_nvm_release_dev;  in xe_nvm_init()
134 		drm_err(&xe->drm, "xe-nvm aux init failed %d\n", ret);  in xe_nvm_init()
140 		drm_err(&xe->drm, "xe-nvm aux add failed %d\n", ret);  in xe_nvm_init()
148 	xe->nvm = NULL;  in xe_nvm_init()
154 	struct intel_dg_nvm_dev *nvm = xe->nvm;  in xe_nvm_fini()
156 	if (!xe->info.has_gsc_nvm)  in xe_nvm_fini()
167 	auxiliary_device_delete(&nvm->aux_dev);  in xe_nvm_fini()
168 	auxiliary_device_uninit(&nvm->aux_dev);  in xe_nvm_fini()
169 	xe->nvm = NULL;  in xe_nvm_fini()