1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2019 Google LLC
14 static bool is_tpm1(struct udevice *dev)
16 return IS_ENABLED(CONFIG_TPM_V1) && tpm_get_version(dev) == TPM_V1;
19 u32 tpm_startup(struct udevice *dev, enum tpm_startup_type mode)
22 return tpm1_startup(dev, mode);
27 u32 tpm_resume(struct udevice *dev)
30 return tpm1_startup(dev, TPM_ST_STATE);
35 u32 tpm_self_test_full(struct udevice *dev)
38 return tpm1_self_test_full(dev);
43 u32 tpm_continue_self_test(struct udevice *dev)
46 return tpm1_continue_self_test(dev);
51 u32 tpm_clear_and_reenable(struct udevice *dev)
55 log_info("TPM: Clear and re-enable\n");
56 ret = tpm_force_clear(dev);
57 if (ret != TPM_SUCCESS) {
58 log_err("Can't initiate a force clear\n");
63 ret = tpm1_physical_enable(dev);
64 if (ret != TPM_SUCCESS) {
65 log_err("TPM: Can't set enabled state\n");
69 ret = tpm1_physical_set_deactivated(dev, 0);
70 if (ret != TPM_SUCCESS) {
71 log_err("TPM: Can't set deactivated state\n");
81 u32 tpm_nv_enable_locking(struct udevice *dev)
84 return tpm1_nv_define_space(dev, TPM_NV_INDEX_LOCK, 0, 0);
89 u32 tpm_nv_read_value(struct udevice *dev, u32 index, void *data, u32 count)
92 return tpm1_nv_read_value(dev, index, data, count);
97 u32 tpm_nv_write_value(struct udevice *dev, u32 index, const void *data,
101 return tpm1_nv_write_value(dev, index, data, count);
106 u32 tpm_set_global_lock(struct udevice *dev)
108 return tpm_nv_write_value(dev, TPM_NV_INDEX_0, NULL, 0);
111 u32 tpm_write_lock(struct udevice *dev, u32 index)
119 u32 tpm_pcr_extend(struct udevice *dev, u32 index, const void *in_digest,
123 return tpm1_extend(dev, index, in_digest, out_digest);
128 u32 tpm_pcr_read(struct udevice *dev, u32 index, void *data, size_t count)
131 return tpm1_pcr_read(dev, index, data, count);
136 u32 tpm_tsc_physical_presence(struct udevice *dev, u16 presence)
139 return tpm1_tsc_physical_presence(dev, presence);
144 u32 tpm_finalise_physical_presence(struct udevice *dev)
147 return tpm1_finalise_physical_presence(dev);
152 u32 tpm_read_pubek(struct udevice *dev, void *data, size_t count)
155 return tpm1_read_pubek(dev, data, count);
157 return -ENOSYS; /* not implemented yet */
160 u32 tpm_force_clear(struct udevice *dev)
163 return tpm1_force_clear(dev);
168 u32 tpm_physical_enable(struct udevice *dev)
171 return tpm1_physical_enable(dev);
176 u32 tpm_physical_disable(struct udevice *dev)
179 return tpm1_physical_disable(dev);
184 u32 tpm_physical_set_deactivated(struct udevice *dev, u8 state)
187 return tpm1_physical_set_deactivated(dev, state);
192 u32 tpm_get_capability(struct udevice *dev, u32 cap_area, u32 sub_cap,
193 void *cap, size_t count)
196 return tpm1_get_capability(dev, cap_area, sub_cap, cap, count);
201 u32 tpm_get_permissions(struct udevice *dev, u32 index, u32 *perm)
204 return tpm1_get_permissions(dev, index, perm);
206 return -ENOSYS; /* not implemented yet */
209 u32 tpm_get_random(struct udevice *dev, void *data, u32 count)
212 return tpm1_get_random(dev, data, count);
214 return -ENOSYS; /* not implemented yet */