1b3e4c0f3SLuca Coelho // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2cdda18fbSLuca Coelho /* 3b99e32cbSAlon Giladi * Copyright(c) 2020-2023 Intel Corporation 4cdda18fbSLuca Coelho */ 5b3e4c0f3SLuca Coelho 6b3e4c0f3SLuca Coelho #include "iwl-drv.h" 7b3e4c0f3SLuca Coelho #include "pnvm.h" 8b3e4c0f3SLuca Coelho #include "iwl-prph.h" 9b3e4c0f3SLuca Coelho #include "iwl-io.h" 10b3e4c0f3SLuca Coelho #include "fw/api/commands.h" 11b3e4c0f3SLuca Coelho #include "fw/api/nvm-reg.h" 1269725928SLuca Coelho #include "fw/api/alive.h" 1384c3c995SLuca Coelho #include "fw/uefi.h" 1469725928SLuca Coelho 1569725928SLuca Coelho struct iwl_pnvm_section { 1669725928SLuca Coelho __le32 offset; 1769725928SLuca Coelho const u8 data[]; 1869725928SLuca Coelho } __packed; 19b3e4c0f3SLuca Coelho 20b3e4c0f3SLuca Coelho static bool iwl_pnvm_complete_fn(struct iwl_notif_wait_data *notif_wait, 21b3e4c0f3SLuca Coelho struct iwl_rx_packet *pkt, void *data) 22b3e4c0f3SLuca Coelho { 23b3e4c0f3SLuca Coelho struct iwl_trans *trans = (struct iwl_trans *)data; 24b3e4c0f3SLuca Coelho struct iwl_pnvm_init_complete_ntfy *pnvm_ntf = (void *)pkt->data; 25b3e4c0f3SLuca Coelho 26b3e4c0f3SLuca Coelho IWL_DEBUG_FW(trans, 272a1d2fcfSLuca Coelho "PNVM complete notification received with status 0x%0x\n", 28b3e4c0f3SLuca Coelho le32_to_cpu(pnvm_ntf->status)); 29b3e4c0f3SLuca Coelho 30b3e4c0f3SLuca Coelho return true; 31b3e4c0f3SLuca Coelho } 32b3e4c0f3SLuca Coelho 3369725928SLuca Coelho static int iwl_pnvm_handle_section(struct iwl_trans *trans, const u8 *data, 34b99e32cbSAlon Giladi size_t len, 35b99e32cbSAlon Giladi struct iwl_pnvm_image *pnvm_data) 3669725928SLuca Coelho { 3773c289baSBjoern A. Zeeb const struct iwl_ucode_tlv *tlv; 3869725928SLuca Coelho u32 sha1 = 0; 3969725928SLuca Coelho u16 mac_type = 0, rf_id = 0; 400f673c16SJohannes Berg bool hw_match = false; 4169725928SLuca Coelho 4269725928SLuca Coelho IWL_DEBUG_FW(trans, "Handling PNVM section\n"); 4369725928SLuca Coelho 44b99e32cbSAlon Giladi memset(pnvm_data, 0, sizeof(*pnvm_data)); 45b99e32cbSAlon Giladi 4669725928SLuca Coelho while (len >= sizeof(*tlv)) { 4769725928SLuca Coelho u32 tlv_len, tlv_type; 4869725928SLuca Coelho 4969725928SLuca Coelho len -= sizeof(*tlv); 5073c289baSBjoern A. Zeeb tlv = (const void *)data; 5169725928SLuca Coelho 5269725928SLuca Coelho tlv_len = le32_to_cpu(tlv->length); 5369725928SLuca Coelho tlv_type = le32_to_cpu(tlv->type); 5469725928SLuca Coelho 5569725928SLuca Coelho if (len < tlv_len) { 5669725928SLuca Coelho IWL_ERR(trans, "invalid TLV len: %zd/%u\n", 5769725928SLuca Coelho len, tlv_len); 585f408503SAlon Giladi return -EINVAL; 5969725928SLuca Coelho } 6069725928SLuca Coelho 6169725928SLuca Coelho data += sizeof(*tlv); 6269725928SLuca Coelho 6369725928SLuca Coelho switch (tlv_type) { 6469725928SLuca Coelho case IWL_UCODE_TLV_PNVM_VERSION: 6569725928SLuca Coelho if (tlv_len < sizeof(__le32)) { 6669725928SLuca Coelho IWL_DEBUG_FW(trans, 6769725928SLuca Coelho "Invalid size for IWL_UCODE_TLV_PNVM_VERSION (expected %zd, got %d)\n", 6869725928SLuca Coelho sizeof(__le32), tlv_len); 6969725928SLuca Coelho break; 7069725928SLuca Coelho } 7169725928SLuca Coelho 7273c289baSBjoern A. Zeeb sha1 = le32_to_cpup((const __le32 *)data); 7369725928SLuca Coelho 7469725928SLuca Coelho IWL_DEBUG_FW(trans, 7569725928SLuca Coelho "Got IWL_UCODE_TLV_PNVM_VERSION %0x\n", 7669725928SLuca Coelho sha1); 77b99e32cbSAlon Giladi pnvm_data->version = sha1; 7869725928SLuca Coelho break; 7969725928SLuca Coelho case IWL_UCODE_TLV_HW_TYPE: 8069725928SLuca Coelho if (tlv_len < 2 * sizeof(__le16)) { 8169725928SLuca Coelho IWL_DEBUG_FW(trans, 8269725928SLuca Coelho "Invalid size for IWL_UCODE_TLV_HW_TYPE (expected %zd, got %d)\n", 8369725928SLuca Coelho 2 * sizeof(__le16), tlv_len); 8469725928SLuca Coelho break; 8569725928SLuca Coelho } 8669725928SLuca Coelho 870f673c16SJohannes Berg if (hw_match) 880f673c16SJohannes Berg break; 890f673c16SJohannes Berg 9073c289baSBjoern A. Zeeb mac_type = le16_to_cpup((const __le16 *)data); 9173c289baSBjoern A. Zeeb rf_id = le16_to_cpup((const __le16 *)(data + sizeof(__le16))); 9269725928SLuca Coelho 9369725928SLuca Coelho IWL_DEBUG_FW(trans, 9469725928SLuca Coelho "Got IWL_UCODE_TLV_HW_TYPE mac_type 0x%0x rf_id 0x%0x\n", 9569725928SLuca Coelho mac_type, rf_id); 9669725928SLuca Coelho 970f673c16SJohannes Berg if (mac_type == CSR_HW_REV_TYPE(trans->hw_rev) && 980f673c16SJohannes Berg rf_id == CSR_HW_RFID_TYPE(trans->hw_rf_id)) 990f673c16SJohannes Berg hw_match = true; 10069725928SLuca Coelho break; 10169725928SLuca Coelho case IWL_UCODE_TLV_SEC_RT: { 10273c289baSBjoern A. Zeeb const struct iwl_pnvm_section *section = (const void *)data; 10369725928SLuca Coelho u32 data_len = tlv_len - sizeof(*section); 10469725928SLuca Coelho 10569725928SLuca Coelho IWL_DEBUG_FW(trans, 10669725928SLuca Coelho "Got IWL_UCODE_TLV_SEC_RT len %d\n", 10769725928SLuca Coelho tlv_len); 10869725928SLuca Coelho 10969725928SLuca Coelho /* TODO: remove, this is a deprecated separator */ 11073c289baSBjoern A. Zeeb if (le32_to_cpup((const __le32 *)data) == 0xddddeeee) { 11169725928SLuca Coelho IWL_DEBUG_FW(trans, "Ignoring separator.\n"); 11269725928SLuca Coelho break; 11369725928SLuca Coelho } 11469725928SLuca Coelho 115b99e32cbSAlon Giladi if (pnvm_data->n_chunks == IPC_DRAM_MAP_ENTRY_NUM_MAX) { 1165f408503SAlon Giladi IWL_DEBUG_FW(trans, 1175f408503SAlon Giladi "too many payloads to allocate in DRAM.\n"); 1185f408503SAlon Giladi return -EINVAL; 1195f408503SAlon Giladi } 1205f408503SAlon Giladi 12169725928SLuca Coelho IWL_DEBUG_FW(trans, "Adding data (size %d)\n", 12269725928SLuca Coelho data_len); 12369725928SLuca Coelho 124b99e32cbSAlon Giladi pnvm_data->chunks[pnvm_data->n_chunks].data = section->data; 125b99e32cbSAlon Giladi pnvm_data->chunks[pnvm_data->n_chunks].len = data_len; 126b99e32cbSAlon Giladi pnvm_data->n_chunks++; 12769725928SLuca Coelho 12869725928SLuca Coelho break; 12969725928SLuca Coelho } 130*372a7148SGregory Greenman case IWL_UCODE_TLV_MEM_DESC: 131*372a7148SGregory Greenman if (iwl_uefi_handle_tlv_mem_desc(trans, data, tlv_len, 132*372a7148SGregory Greenman pnvm_data)) 133*372a7148SGregory Greenman return -EINVAL; 134*372a7148SGregory Greenman break; 13569725928SLuca Coelho case IWL_UCODE_TLV_PNVM_SKU: 13669725928SLuca Coelho IWL_DEBUG_FW(trans, 13769725928SLuca Coelho "New PNVM section started, stop parsing.\n"); 13869725928SLuca Coelho goto done; 13969725928SLuca Coelho default: 14069725928SLuca Coelho IWL_DEBUG_FW(trans, "Found TLV 0x%0x, len %d\n", 14169725928SLuca Coelho tlv_type, tlv_len); 14269725928SLuca Coelho break; 14369725928SLuca Coelho } 14469725928SLuca Coelho 14569725928SLuca Coelho len -= ALIGN(tlv_len, 4); 14669725928SLuca Coelho data += ALIGN(tlv_len, 4); 14769725928SLuca Coelho } 14869725928SLuca Coelho 14969725928SLuca Coelho done: 1500f673c16SJohannes Berg if (!hw_match) { 1510f673c16SJohannes Berg IWL_DEBUG_FW(trans, 1520f673c16SJohannes Berg "HW mismatch, skipping PNVM section (need mac_type 0x%x rf_id 0x%x)\n", 1530f673c16SJohannes Berg CSR_HW_REV_TYPE(trans->hw_rev), 1540f673c16SJohannes Berg CSR_HW_RFID_TYPE(trans->hw_rf_id)); 1555f408503SAlon Giladi return -ENOENT; 1560f673c16SJohannes Berg } 1570f673c16SJohannes Berg 158b99e32cbSAlon Giladi if (!pnvm_data->n_chunks) { 15969725928SLuca Coelho IWL_DEBUG_FW(trans, "Empty PNVM, skipping.\n"); 1605f408503SAlon Giladi return -ENOENT; 16169725928SLuca Coelho } 16269725928SLuca Coelho 163194d1f84SAlon Giladi return 0; 16469725928SLuca Coelho } 16569725928SLuca Coelho 16669725928SLuca Coelho static int iwl_pnvm_parse(struct iwl_trans *trans, const u8 *data, 167b99e32cbSAlon Giladi size_t len, 168b99e32cbSAlon Giladi struct iwl_pnvm_image *pnvm_data) 16969725928SLuca Coelho { 17073c289baSBjoern A. Zeeb const struct iwl_ucode_tlv *tlv; 17169725928SLuca Coelho 17269725928SLuca Coelho IWL_DEBUG_FW(trans, "Parsing PNVM file\n"); 17369725928SLuca Coelho 17469725928SLuca Coelho while (len >= sizeof(*tlv)) { 17569725928SLuca Coelho u32 tlv_len, tlv_type; 17669725928SLuca Coelho 17769725928SLuca Coelho len -= sizeof(*tlv); 17886e8e657SJohannes Berg tlv = (const void *)data; 17969725928SLuca Coelho 18069725928SLuca Coelho tlv_len = le32_to_cpu(tlv->length); 18169725928SLuca Coelho tlv_type = le32_to_cpu(tlv->type); 18269725928SLuca Coelho 18369725928SLuca Coelho if (len < tlv_len) { 18469725928SLuca Coelho IWL_ERR(trans, "invalid TLV len: %zd/%u\n", 18569725928SLuca Coelho len, tlv_len); 18669725928SLuca Coelho return -EINVAL; 18769725928SLuca Coelho } 18869725928SLuca Coelho 18969725928SLuca Coelho if (tlv_type == IWL_UCODE_TLV_PNVM_SKU) { 19073c289baSBjoern A. Zeeb const struct iwl_sku_id *sku_id = 19173c289baSBjoern A. Zeeb (const void *)(data + sizeof(*tlv)); 19269725928SLuca Coelho 19369725928SLuca Coelho IWL_DEBUG_FW(trans, 19469725928SLuca Coelho "Got IWL_UCODE_TLV_PNVM_SKU len %d\n", 19569725928SLuca Coelho tlv_len); 19669725928SLuca Coelho IWL_DEBUG_FW(trans, "sku_id 0x%0x 0x%0x 0x%0x\n", 19769725928SLuca Coelho le32_to_cpu(sku_id->data[0]), 19869725928SLuca Coelho le32_to_cpu(sku_id->data[1]), 19969725928SLuca Coelho le32_to_cpu(sku_id->data[2])); 20069725928SLuca Coelho 201ff11a8eeSLuca Coelho data += sizeof(*tlv) + ALIGN(tlv_len, 4); 202ff11a8eeSLuca Coelho len -= ALIGN(tlv_len, 4); 203ff11a8eeSLuca Coelho 20469725928SLuca Coelho if (trans->sku_id[0] == le32_to_cpu(sku_id->data[0]) && 20569725928SLuca Coelho trans->sku_id[1] == le32_to_cpu(sku_id->data[1]) && 20669725928SLuca Coelho trans->sku_id[2] == le32_to_cpu(sku_id->data[2])) { 20769725928SLuca Coelho int ret; 20869725928SLuca Coelho 209b99e32cbSAlon Giladi ret = iwl_pnvm_handle_section(trans, data, len, 210b99e32cbSAlon Giladi pnvm_data); 21169725928SLuca Coelho if (!ret) 21269725928SLuca Coelho return 0; 21369725928SLuca Coelho } else { 21469725928SLuca Coelho IWL_DEBUG_FW(trans, "SKU ID didn't match!\n"); 21569725928SLuca Coelho } 21669725928SLuca Coelho } else { 21769725928SLuca Coelho data += sizeof(*tlv) + ALIGN(tlv_len, 4); 21869725928SLuca Coelho len -= ALIGN(tlv_len, 4); 21969725928SLuca Coelho } 22069725928SLuca Coelho } 22169725928SLuca Coelho 22269725928SLuca Coelho return -ENOENT; 22369725928SLuca Coelho } 22469725928SLuca Coelho 225cdda18fbSLuca Coelho static int iwl_pnvm_get_from_fs(struct iwl_trans *trans, u8 **data, size_t *len) 226b3e4c0f3SLuca Coelho { 2271c58bed4SJohannes Berg const struct firmware *pnvm; 228b05c1d14SDror Moshe char pnvm_name[MAX_PNVM_NAME]; 22945010c08SChristophe JAILLET size_t new_len; 230cdda18fbSLuca Coelho int ret; 23169725928SLuca Coelho 232b05c1d14SDror Moshe iwl_pnvm_get_fs_name(trans, pnvm_name, sizeof(pnvm_name)); 23369725928SLuca Coelho 23469725928SLuca Coelho ret = firmware_request_nowarn(&pnvm, pnvm_name, trans->dev); 23569725928SLuca Coelho if (ret) { 23669725928SLuca Coelho IWL_DEBUG_FW(trans, "PNVM file %s not found %d\n", 23769725928SLuca Coelho pnvm_name, ret); 238cdda18fbSLuca Coelho return ret; 239cdda18fbSLuca Coelho } 240cdda18fbSLuca Coelho 24145010c08SChristophe JAILLET new_len = pnvm->size; 242cdda18fbSLuca Coelho *data = kmemdup(pnvm->data, pnvm->size, GFP_KERNEL); 24345010c08SChristophe JAILLET release_firmware(pnvm); 24445010c08SChristophe JAILLET 245cdda18fbSLuca Coelho if (!*data) 246cdda18fbSLuca Coelho return -ENOMEM; 247cdda18fbSLuca Coelho 24845010c08SChristophe JAILLET *len = new_len; 249cdda18fbSLuca Coelho 250cdda18fbSLuca Coelho return 0; 251cdda18fbSLuca Coelho } 252cdda18fbSLuca Coelho 253b99e32cbSAlon Giladi static u8 *iwl_get_pnvm_image(struct iwl_trans *trans_p, size_t *len) 254b99e32cbSAlon Giladi { 255b99e32cbSAlon Giladi struct pnvm_sku_package *package; 256b99e32cbSAlon Giladi u8 *image = NULL; 257b99e32cbSAlon Giladi 258b99e32cbSAlon Giladi /* First attempt to get the PNVM from BIOS */ 259b99e32cbSAlon Giladi package = iwl_uefi_get_pnvm(trans_p, len); 260b99e32cbSAlon Giladi if (!IS_ERR_OR_NULL(package)) { 261b99e32cbSAlon Giladi if (*len >= sizeof(*package)) { 262b99e32cbSAlon Giladi /* we need only the data */ 263b99e32cbSAlon Giladi *len -= sizeof(*package); 264b99e32cbSAlon Giladi image = kmemdup(package->data, *len, GFP_KERNEL); 265b99e32cbSAlon Giladi } 266b99e32cbSAlon Giladi /* free package regardless of whether kmemdup succeeded */ 267b99e32cbSAlon Giladi kfree(package); 268b99e32cbSAlon Giladi if (image) 269b99e32cbSAlon Giladi return image; 270b99e32cbSAlon Giladi } 271b99e32cbSAlon Giladi 272b99e32cbSAlon Giladi /* If it's not available, try from the filesystem */ 273b99e32cbSAlon Giladi if (iwl_pnvm_get_from_fs(trans_p, &image, len)) 274b99e32cbSAlon Giladi return NULL; 275b99e32cbSAlon Giladi return image; 276b99e32cbSAlon Giladi } 277b99e32cbSAlon Giladi 278875d035fSJohannes Berg static void iwl_pnvm_load_pnvm_to_trans(struct iwl_trans *trans, 27933182810SAlon Giladi const struct iwl_ucode_capabilities *capa) 280cdda18fbSLuca Coelho { 281875d035fSJohannes Berg struct iwl_pnvm_image *pnvm_data = NULL; 282875d035fSJohannes Berg u8 *data = NULL; 283b99e32cbSAlon Giladi size_t length; 284cdda18fbSLuca Coelho int ret; 285cdda18fbSLuca Coelho 286875d035fSJohannes Berg /* failed to get/parse the image in the past, no use trying again */ 287b99e32cbSAlon Giladi if (trans->fail_to_parse_pnvm_image) 288875d035fSJohannes Berg return; 289b99e32cbSAlon Giladi 290875d035fSJohannes Berg if (trans->pnvm_loaded) 291875d035fSJohannes Berg goto set; 292875d035fSJohannes Berg 293b99e32cbSAlon Giladi data = iwl_get_pnvm_image(trans, &length); 294b99e32cbSAlon Giladi if (!data) { 295b99e32cbSAlon Giladi trans->fail_to_parse_pnvm_image = true; 296875d035fSJohannes Berg return; 297cdda18fbSLuca Coelho } 298875d035fSJohannes Berg 299875d035fSJohannes Berg pnvm_data = kzalloc(sizeof(*pnvm_data), GFP_KERNEL); 300875d035fSJohannes Berg if (!pnvm_data) 301875d035fSJohannes Berg goto free; 302875d035fSJohannes Berg 303875d035fSJohannes Berg ret = iwl_pnvm_parse(trans, data, length, pnvm_data); 304cdda18fbSLuca Coelho if (ret) { 305b99e32cbSAlon Giladi trans->fail_to_parse_pnvm_image = true; 306875d035fSJohannes Berg goto free; 3071c58bed4SJohannes Berg } 308b3e4c0f3SLuca Coelho 309875d035fSJohannes Berg ret = iwl_trans_load_pnvm(trans, pnvm_data, capa); 310b99e32cbSAlon Giladi if (ret) 311875d035fSJohannes Berg goto free; 312875d035fSJohannes Berg IWL_INFO(trans, "loaded PNVM version %08x\n", pnvm_data->version); 313875d035fSJohannes Berg 314875d035fSJohannes Berg set: 315875d035fSJohannes Berg iwl_trans_set_pnvm(trans, capa); 316875d035fSJohannes Berg free: 317875d035fSJohannes Berg kfree(data); 318875d035fSJohannes Berg kfree(pnvm_data); 319b99e32cbSAlon Giladi } 320cdda18fbSLuca Coelho 321875d035fSJohannes Berg static void 322875d035fSJohannes Berg iwl_pnvm_load_reduce_power_to_trans(struct iwl_trans *trans, 323875d035fSJohannes Berg const struct iwl_ucode_capabilities *capa) 324875d035fSJohannes Berg { 325875d035fSJohannes Berg struct iwl_pnvm_image *pnvm_data = NULL; 326875d035fSJohannes Berg u8 *data = NULL; 327875d035fSJohannes Berg size_t length; 328875d035fSJohannes Berg int ret; 329b99e32cbSAlon Giladi 330380bf72dSAlon Giladi if (trans->failed_to_load_reduce_power_image) 331875d035fSJohannes Berg return; 332380bf72dSAlon Giladi 333875d035fSJohannes Berg if (trans->reduce_power_loaded) 334875d035fSJohannes Berg goto set; 335875d035fSJohannes Berg 336380bf72dSAlon Giladi data = iwl_uefi_get_reduced_power(trans, &length); 337380bf72dSAlon Giladi if (IS_ERR(data)) { 338380bf72dSAlon Giladi trans->failed_to_load_reduce_power_image = true; 339875d035fSJohannes Berg return; 340380bf72dSAlon Giladi } 341380bf72dSAlon Giladi 342875d035fSJohannes Berg pnvm_data = kzalloc(sizeof(*pnvm_data), GFP_KERNEL); 343875d035fSJohannes Berg if (!pnvm_data) 344875d035fSJohannes Berg goto free; 345875d035fSJohannes Berg 346875d035fSJohannes Berg ret = iwl_uefi_reduce_power_parse(trans, data, length, pnvm_data); 347ea3571f4SAlon Giladi if (ret) { 348380bf72dSAlon Giladi trans->failed_to_load_reduce_power_image = true; 349875d035fSJohannes Berg goto free; 350380bf72dSAlon Giladi } 351380bf72dSAlon Giladi 352875d035fSJohannes Berg ret = iwl_trans_load_reduce_power(trans, pnvm_data, capa); 353c738fb61SAlon Giladi if (ret) { 3549dad325fSLuca Coelho IWL_DEBUG_FW(trans, 355c738fb61SAlon Giladi "Failed to load reduce power table %d\n", 3569dad325fSLuca Coelho ret); 357380bf72dSAlon Giladi trans->failed_to_load_reduce_power_image = true; 358875d035fSJohannes Berg goto free; 3598f55564cSJohannes Berg } 3609dad325fSLuca Coelho 361875d035fSJohannes Berg set: 362875d035fSJohannes Berg iwl_trans_set_reduce_power(trans, capa); 363875d035fSJohannes Berg free: 364875d035fSJohannes Berg kfree(data); 365875d035fSJohannes Berg kfree(pnvm_data); 366875d035fSJohannes Berg } 367875d035fSJohannes Berg 368875d035fSJohannes Berg int iwl_pnvm_load(struct iwl_trans *trans, 369875d035fSJohannes Berg struct iwl_notif_wait_data *notif_wait, 370875d035fSJohannes Berg const struct iwl_ucode_capabilities *capa) 371875d035fSJohannes Berg { 372875d035fSJohannes Berg struct iwl_notification_wait pnvm_wait; 373875d035fSJohannes Berg static const u16 ntf_cmds[] = { WIDE_ID(REGULATORY_AND_NVM_GROUP, 374875d035fSJohannes Berg PNVM_INIT_COMPLETE_NTFY) }; 375875d035fSJohannes Berg 376875d035fSJohannes Berg /* if the SKU_ID is empty, there's nothing to do */ 377875d035fSJohannes Berg if (!trans->sku_id[0] && !trans->sku_id[1] && !trans->sku_id[2]) 378875d035fSJohannes Berg return 0; 379875d035fSJohannes Berg 380875d035fSJohannes Berg iwl_pnvm_load_pnvm_to_trans(trans, capa); 381875d035fSJohannes Berg iwl_pnvm_load_reduce_power_to_trans(trans, capa); 382875d035fSJohannes Berg 383b3e4c0f3SLuca Coelho iwl_init_notification_wait(notif_wait, &pnvm_wait, 384b3e4c0f3SLuca Coelho ntf_cmds, ARRAY_SIZE(ntf_cmds), 385b3e4c0f3SLuca Coelho iwl_pnvm_complete_fn, trans); 386b3e4c0f3SLuca Coelho 387b3e4c0f3SLuca Coelho /* kick the doorbell */ 388b3e4c0f3SLuca Coelho iwl_write_umac_prph(trans, UREG_DOORBELL_TO_ISR6, 389b3e4c0f3SLuca Coelho UREG_DOORBELL_TO_ISR6_PNVM); 390b3e4c0f3SLuca Coelho 391b3e4c0f3SLuca Coelho return iwl_wait_notification(notif_wait, &pnvm_wait, 392b3e4c0f3SLuca Coelho MVM_UCODE_PNVM_TIMEOUT); 393b3e4c0f3SLuca Coelho } 394b3e4c0f3SLuca Coelho IWL_EXPORT_SYMBOL(iwl_pnvm_load); 395