16 #define GEN12_GUNIT_NVM_BASE 0x00102040
17 #define GEN12_DEBUG_NVM_BASE 0x00101018
19 #define GEN12_CNTL_PROTECTED_NVM_REG 0x0010100C
21 #define GEN12_GUNIT_NVM_SIZE 0x80
22 #define GEN12_DEBUG_NVM_SIZE 0x4
29 	[0] = { .name = "DESCRIPTOR", },
44 static bool xe_nvm_non_posted_erase(struct xe_device *xe)  in xe_nvm_non_posted_erase()  argument
46 	struct xe_mmio *mmio = xe_root_tile_mmio(xe);  in xe_nvm_non_posted_erase()
48 	if (xe->info.platform != XE_BATTLEMAGE)  in xe_nvm_non_posted_erase()
54 static bool xe_nvm_writable_override(struct xe_device *xe)  in xe_nvm_writable_override()  argument
56 	struct xe_mmio *mmio = xe_root_tile_mmio(xe);  in xe_nvm_writable_override()
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()
86 int xe_nvm_init(struct xe_device *xe)  in xe_nvm_init()  argument
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()
94 		return 0;  in xe_nvm_init()
97 	if (IS_SRIOV_VF(xe))  in xe_nvm_init()
98 		return 0;  in xe_nvm_init()
101 	if (WARN_ON(xe->nvm))  in xe_nvm_init()
104 	xe->nvm = kzalloc(sizeof(*nvm), GFP_KERNEL);  in xe_nvm_init()
105 	if (!xe->nvm)  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()
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()
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()
144 	return 0;  in xe_nvm_init()
148 	xe->nvm = NULL;  in xe_nvm_init()
152 void xe_nvm_fini(struct xe_device *xe)  in xe_nvm_fini()  argument
154 	struct intel_dg_nvm_dev *nvm = xe->nvm;  in xe_nvm_fini()
156 	if (!xe->info.has_gsc_nvm)  in xe_nvm_fini()
160 	if (IS_SRIOV_VF(xe))  in xe_nvm_fini()
169 	xe->nvm = NULL;  in xe_nvm_fini()