1f31e4b6fSAnirudh Venkataramanan // SPDX-License-Identifier: GPL-2.0 2f31e4b6fSAnirudh Venkataramanan /* Copyright (c) 2018, Intel Corporation. */ 3f31e4b6fSAnirudh Venkataramanan 47d714ff1SJakub Kicinski #include <linux/vmalloc.h> 57d714ff1SJakub Kicinski 6f31e4b6fSAnirudh Venkataramanan #include "ice_common.h" 7f31e4b6fSAnirudh Venkataramanan 8f31e4b6fSAnirudh Venkataramanan /** 9f31e4b6fSAnirudh Venkataramanan * ice_aq_read_nvm 10f9867df6SAnirudh Venkataramanan * @hw: pointer to the HW struct 11f31e4b6fSAnirudh Venkataramanan * @module_typeid: module pointer location in words from the NVM beginning 12f31e4b6fSAnirudh Venkataramanan * @offset: byte offset from the module beginning 13f31e4b6fSAnirudh Venkataramanan * @length: length of the section to be read (in bytes from the offset) 14f31e4b6fSAnirudh Venkataramanan * @data: command buffer (size [bytes] = length) 15f31e4b6fSAnirudh Venkataramanan * @last_command: tells if this is the last command in a series 16e9450990SJacob Keller * @read_shadow_ram: tell if this is a shadow RAM read 17f31e4b6fSAnirudh Venkataramanan * @cd: pointer to command details structure or NULL 18f31e4b6fSAnirudh Venkataramanan * 19f31e4b6fSAnirudh Venkataramanan * Read the NVM using the admin queue commands (0x0701) 20f31e4b6fSAnirudh Venkataramanan */ 215e24d598STony Nguyen static int 2243c89b16SAnirudh Venkataramanan ice_aq_read_nvm(struct ice_hw *hw, u16 module_typeid, u32 offset, u16 length, 23e9450990SJacob Keller void *data, bool last_command, bool read_shadow_ram, 24e9450990SJacob Keller struct ice_sq_cd *cd) 25f31e4b6fSAnirudh Venkataramanan { 26f31e4b6fSAnirudh Venkataramanan struct ice_aq_desc desc; 27f31e4b6fSAnirudh Venkataramanan struct ice_aqc_nvm *cmd; 28f31e4b6fSAnirudh Venkataramanan 29f31e4b6fSAnirudh Venkataramanan cmd = &desc.params.nvm; 30f31e4b6fSAnirudh Venkataramanan 3181f07491SJacob Keller if (offset > ICE_AQC_NVM_MAX_OFFSET) 32d54699e2STony Nguyen return -EINVAL; 33f31e4b6fSAnirudh Venkataramanan 34f31e4b6fSAnirudh Venkataramanan ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_read); 35f31e4b6fSAnirudh Venkataramanan 36e9450990SJacob Keller if (!read_shadow_ram && module_typeid == ICE_AQC_NVM_START_POINT) 37e9450990SJacob Keller cmd->cmd_flags |= ICE_AQC_NVM_FLASH_ONLY; 38e9450990SJacob Keller 39f31e4b6fSAnirudh Venkataramanan /* If this is the last command in a series, set the proper flag. */ 40f31e4b6fSAnirudh Venkataramanan if (last_command) 41f31e4b6fSAnirudh Venkataramanan cmd->cmd_flags |= ICE_AQC_NVM_LAST_CMD; 4243c89b16SAnirudh Venkataramanan cmd->module_typeid = cpu_to_le16(module_typeid); 4343c89b16SAnirudh Venkataramanan cmd->offset_low = cpu_to_le16(offset & 0xFFFF); 4443c89b16SAnirudh Venkataramanan cmd->offset_high = (offset >> 16) & 0xFF; 45f31e4b6fSAnirudh Venkataramanan cmd->length = cpu_to_le16(length); 46f31e4b6fSAnirudh Venkataramanan 47f31e4b6fSAnirudh Venkataramanan return ice_aq_send_cmd(hw, &desc, data, length, cd); 48f31e4b6fSAnirudh Venkataramanan } 49f31e4b6fSAnirudh Venkataramanan 50f31e4b6fSAnirudh Venkataramanan /** 51e9450990SJacob Keller * ice_read_flat_nvm - Read portion of NVM by flat offset 52e9450990SJacob Keller * @hw: pointer to the HW struct 53e9450990SJacob Keller * @offset: offset from beginning of NVM 54e9450990SJacob Keller * @length: (in) number of bytes to read; (out) number of bytes actually read 55e9450990SJacob Keller * @data: buffer to return data in (sized to fit the specified length) 56e9450990SJacob Keller * @read_shadow_ram: if true, read from shadow RAM instead of NVM 57e9450990SJacob Keller * 58e9450990SJacob Keller * Reads a portion of the NVM, as a flat memory space. This function correctly 59e9450990SJacob Keller * breaks read requests across Shadow RAM sectors and ensures that no single 6032e6deb2SBruce Allan * read request exceeds the maximum 4KB read for a single AdminQ command. 61e9450990SJacob Keller * 62e9450990SJacob Keller * Returns a status code on failure. Note that the data pointer may be 63e9450990SJacob Keller * partially updated if some reads succeed before a failure. 64e9450990SJacob Keller */ 655e24d598STony Nguyen int 66e9450990SJacob Keller ice_read_flat_nvm(struct ice_hw *hw, u32 offset, u32 *length, u8 *data, 67e9450990SJacob Keller bool read_shadow_ram) 68e9450990SJacob Keller { 69e9450990SJacob Keller u32 inlen = *length; 70e9450990SJacob Keller u32 bytes_read = 0; 71e9450990SJacob Keller bool last_cmd; 725518ac2aSTony Nguyen int status; 73e9450990SJacob Keller 74e9450990SJacob Keller *length = 0; 75e9450990SJacob Keller 76e9450990SJacob Keller /* Verify the length of the read if this is for the Shadow RAM */ 779af368faSJacob Keller if (read_shadow_ram && ((offset + inlen) > (hw->flash.sr_words * 2u))) { 789228d8b2SJacob Keller ice_debug(hw, ICE_DBG_NVM, "NVM error: requested offset is beyond Shadow RAM limit\n"); 79d54699e2STony Nguyen return -EINVAL; 80e9450990SJacob Keller } 81e9450990SJacob Keller 82e9450990SJacob Keller do { 83e9450990SJacob Keller u32 read_size, sector_offset; 84e9450990SJacob Keller 8532e6deb2SBruce Allan /* ice_aq_read_nvm cannot read more than 4KB at a time. 86e9450990SJacob Keller * Additionally, a read from the Shadow RAM may not cross over 87e9450990SJacob Keller * a sector boundary. Conveniently, the sector size is also 8832e6deb2SBruce Allan * 4KB. 89e9450990SJacob Keller */ 90e9450990SJacob Keller sector_offset = offset % ICE_AQ_MAX_BUF_LEN; 91e9450990SJacob Keller read_size = min_t(u32, ICE_AQ_MAX_BUF_LEN - sector_offset, 92e9450990SJacob Keller inlen - bytes_read); 93e9450990SJacob Keller 94e9450990SJacob Keller last_cmd = !(bytes_read + read_size < inlen); 95e9450990SJacob Keller 96e9450990SJacob Keller status = ice_aq_read_nvm(hw, ICE_AQC_NVM_START_POINT, 97e9450990SJacob Keller offset, read_size, 98e9450990SJacob Keller data + bytes_read, last_cmd, 99e9450990SJacob Keller read_shadow_ram, NULL); 100e9450990SJacob Keller if (status) 101e9450990SJacob Keller break; 102e9450990SJacob Keller 103e9450990SJacob Keller bytes_read += read_size; 104e9450990SJacob Keller offset += read_size; 105e9450990SJacob Keller } while (!last_cmd); 106e9450990SJacob Keller 107e9450990SJacob Keller *length = bytes_read; 108e9450990SJacob Keller return status; 109e9450990SJacob Keller } 110e9450990SJacob Keller 111e9450990SJacob Keller /** 112544cd2acSCudzilo, Szymon T * ice_aq_update_nvm 113544cd2acSCudzilo, Szymon T * @hw: pointer to the HW struct 114544cd2acSCudzilo, Szymon T * @module_typeid: module pointer location in words from the NVM beginning 115544cd2acSCudzilo, Szymon T * @offset: byte offset from the module beginning 116544cd2acSCudzilo, Szymon T * @length: length of the section to be written (in bytes from the offset) 117544cd2acSCudzilo, Szymon T * @data: command buffer (size [bytes] = length) 118544cd2acSCudzilo, Szymon T * @last_command: tells if this is the last command in a series 119544cd2acSCudzilo, Szymon T * @command_flags: command parameters 120544cd2acSCudzilo, Szymon T * @cd: pointer to command details structure or NULL 121544cd2acSCudzilo, Szymon T * 122544cd2acSCudzilo, Szymon T * Update the NVM using the admin queue commands (0x0703) 123544cd2acSCudzilo, Szymon T */ 1245e24d598STony Nguyen int 125544cd2acSCudzilo, Szymon T ice_aq_update_nvm(struct ice_hw *hw, u16 module_typeid, u32 offset, 126544cd2acSCudzilo, Szymon T u16 length, void *data, bool last_command, u8 command_flags, 127544cd2acSCudzilo, Szymon T struct ice_sq_cd *cd) 128544cd2acSCudzilo, Szymon T { 129544cd2acSCudzilo, Szymon T struct ice_aq_desc desc; 130544cd2acSCudzilo, Szymon T struct ice_aqc_nvm *cmd; 131544cd2acSCudzilo, Szymon T 132544cd2acSCudzilo, Szymon T cmd = &desc.params.nvm; 133544cd2acSCudzilo, Szymon T 134544cd2acSCudzilo, Szymon T /* In offset the highest byte must be zeroed. */ 135544cd2acSCudzilo, Szymon T if (offset & 0xFF000000) 136d54699e2STony Nguyen return -EINVAL; 137544cd2acSCudzilo, Szymon T 138544cd2acSCudzilo, Szymon T ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_write); 139544cd2acSCudzilo, Szymon T 140544cd2acSCudzilo, Szymon T cmd->cmd_flags |= command_flags; 141544cd2acSCudzilo, Szymon T 142544cd2acSCudzilo, Szymon T /* If this is the last command in a series, set the proper flag. */ 143544cd2acSCudzilo, Szymon T if (last_command) 144544cd2acSCudzilo, Szymon T cmd->cmd_flags |= ICE_AQC_NVM_LAST_CMD; 145544cd2acSCudzilo, Szymon T cmd->module_typeid = cpu_to_le16(module_typeid); 146544cd2acSCudzilo, Szymon T cmd->offset_low = cpu_to_le16(offset & 0xFFFF); 147544cd2acSCudzilo, Szymon T cmd->offset_high = (offset >> 16) & 0xFF; 148544cd2acSCudzilo, Szymon T cmd->length = cpu_to_le16(length); 149544cd2acSCudzilo, Szymon T 150544cd2acSCudzilo, Szymon T desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); 151544cd2acSCudzilo, Szymon T 152544cd2acSCudzilo, Szymon T return ice_aq_send_cmd(hw, &desc, data, length, cd); 153544cd2acSCudzilo, Szymon T } 154544cd2acSCudzilo, Szymon T 155544cd2acSCudzilo, Szymon T /** 156544cd2acSCudzilo, Szymon T * ice_aq_erase_nvm 157544cd2acSCudzilo, Szymon T * @hw: pointer to the HW struct 158544cd2acSCudzilo, Szymon T * @module_typeid: module pointer location in words from the NVM beginning 159544cd2acSCudzilo, Szymon T * @cd: pointer to command details structure or NULL 160544cd2acSCudzilo, Szymon T * 161544cd2acSCudzilo, Szymon T * Erase the NVM sector using the admin queue commands (0x0702) 162544cd2acSCudzilo, Szymon T */ 1635518ac2aSTony Nguyen int ice_aq_erase_nvm(struct ice_hw *hw, u16 module_typeid, struct ice_sq_cd *cd) 164544cd2acSCudzilo, Szymon T { 165544cd2acSCudzilo, Szymon T struct ice_aq_desc desc; 166544cd2acSCudzilo, Szymon T struct ice_aqc_nvm *cmd; 167544cd2acSCudzilo, Szymon T 168544cd2acSCudzilo, Szymon T cmd = &desc.params.nvm; 169544cd2acSCudzilo, Szymon T 170544cd2acSCudzilo, Szymon T ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_erase); 171544cd2acSCudzilo, Szymon T 172544cd2acSCudzilo, Szymon T cmd->module_typeid = cpu_to_le16(module_typeid); 173544cd2acSCudzilo, Szymon T cmd->length = cpu_to_le16(ICE_AQC_NVM_ERASE_LEN); 174544cd2acSCudzilo, Szymon T cmd->offset_low = 0; 175544cd2acSCudzilo, Szymon T cmd->offset_high = 0; 176544cd2acSCudzilo, Szymon T 177544cd2acSCudzilo, Szymon T return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 178544cd2acSCudzilo, Szymon T } 179544cd2acSCudzilo, Szymon T 180544cd2acSCudzilo, Szymon T /** 181f31e4b6fSAnirudh Venkataramanan * ice_read_sr_word_aq - Reads Shadow RAM via AQ 182f31e4b6fSAnirudh Venkataramanan * @hw: pointer to the HW structure 183f31e4b6fSAnirudh Venkataramanan * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF) 184f31e4b6fSAnirudh Venkataramanan * @data: word read from the Shadow RAM 185f31e4b6fSAnirudh Venkataramanan * 186e9450990SJacob Keller * Reads one 16 bit word from the Shadow RAM using ice_read_flat_nvm. 187f31e4b6fSAnirudh Venkataramanan */ 1885518ac2aSTony Nguyen static int ice_read_sr_word_aq(struct ice_hw *hw, u16 offset, u16 *data) 189f31e4b6fSAnirudh Venkataramanan { 190e9450990SJacob Keller u32 bytes = sizeof(u16); 1912efefb56SJacob Keller __le16 data_local; 1925518ac2aSTony Nguyen int status; 193f31e4b6fSAnirudh Venkataramanan 194e9450990SJacob Keller /* Note that ice_read_flat_nvm takes into account the 4Kb AdminQ and 195e9450990SJacob Keller * Shadow RAM sector restrictions necessary when reading from the NVM. 196e9450990SJacob Keller */ 197e9450990SJacob Keller status = ice_read_flat_nvm(hw, offset * sizeof(u16), &bytes, 19834d8461aSBruce Allan (__force u8 *)&data_local, true); 199e9450990SJacob Keller if (status) 200f31e4b6fSAnirudh Venkataramanan return status; 201e9450990SJacob Keller 202e9450990SJacob Keller *data = le16_to_cpu(data_local); 203e9450990SJacob Keller return 0; 204f31e4b6fSAnirudh Venkataramanan } 205f31e4b6fSAnirudh Venkataramanan 206f31e4b6fSAnirudh Venkataramanan /** 207f31e4b6fSAnirudh Venkataramanan * ice_acquire_nvm - Generic request for acquiring the NVM ownership 208f31e4b6fSAnirudh Venkataramanan * @hw: pointer to the HW structure 209f31e4b6fSAnirudh Venkataramanan * @access: NVM access type (read or write) 210f31e4b6fSAnirudh Venkataramanan * 211f31e4b6fSAnirudh Venkataramanan * This function will request NVM ownership. 212f31e4b6fSAnirudh Venkataramanan */ 2135518ac2aSTony Nguyen int ice_acquire_nvm(struct ice_hw *hw, enum ice_aq_res_access_type access) 214f31e4b6fSAnirudh Venkataramanan { 2159af368faSJacob Keller if (hw->flash.blank_nvm_mode) 216f31e4b6fSAnirudh Venkataramanan return 0; 217f31e4b6fSAnirudh Venkataramanan 218ff2b1321SDan Nowlin return ice_acquire_res(hw, ICE_NVM_RES_ID, access, ICE_NVM_TIMEOUT); 219f31e4b6fSAnirudh Venkataramanan } 220f31e4b6fSAnirudh Venkataramanan 221f31e4b6fSAnirudh Venkataramanan /** 222f31e4b6fSAnirudh Venkataramanan * ice_release_nvm - Generic request for releasing the NVM ownership 223f31e4b6fSAnirudh Venkataramanan * @hw: pointer to the HW structure 224f31e4b6fSAnirudh Venkataramanan * 225f31e4b6fSAnirudh Venkataramanan * This function will release NVM ownership. 226f31e4b6fSAnirudh Venkataramanan */ 22784a24798SJesse Brandeburg void ice_release_nvm(struct ice_hw *hw) 228f31e4b6fSAnirudh Venkataramanan { 2299af368faSJacob Keller if (hw->flash.blank_nvm_mode) 230f31e4b6fSAnirudh Venkataramanan return; 231f31e4b6fSAnirudh Venkataramanan 232f31e4b6fSAnirudh Venkataramanan ice_release_res(hw, ICE_NVM_RES_ID); 233f31e4b6fSAnirudh Venkataramanan } 234f31e4b6fSAnirudh Venkataramanan 235f31e4b6fSAnirudh Venkataramanan /** 2360ce50c70SJacob Keller * ice_get_flash_bank_offset - Get offset into requested flash bank 2370ce50c70SJacob Keller * @hw: pointer to the HW structure 2380ce50c70SJacob Keller * @bank: whether to read from the active or inactive flash bank 2390ce50c70SJacob Keller * @module: the module to read from 2400ce50c70SJacob Keller * 2410ce50c70SJacob Keller * Based on the module, lookup the module offset from the beginning of the 2420ce50c70SJacob Keller * flash. 2430ce50c70SJacob Keller * 2440ce50c70SJacob Keller * Returns the flash offset. Note that a value of zero is invalid and must be 2450ce50c70SJacob Keller * treated as an error. 2460ce50c70SJacob Keller */ 2470ce50c70SJacob Keller static u32 ice_get_flash_bank_offset(struct ice_hw *hw, enum ice_bank_select bank, u16 module) 2480ce50c70SJacob Keller { 2490ce50c70SJacob Keller struct ice_bank_info *banks = &hw->flash.banks; 2500ce50c70SJacob Keller enum ice_flash_bank active_bank; 2510ce50c70SJacob Keller bool second_bank_active; 2520ce50c70SJacob Keller u32 offset, size; 2530ce50c70SJacob Keller 2540ce50c70SJacob Keller switch (module) { 2550ce50c70SJacob Keller case ICE_SR_1ST_NVM_BANK_PTR: 2560ce50c70SJacob Keller offset = banks->nvm_ptr; 2570ce50c70SJacob Keller size = banks->nvm_size; 2580ce50c70SJacob Keller active_bank = banks->nvm_bank; 2590ce50c70SJacob Keller break; 2600ce50c70SJacob Keller case ICE_SR_1ST_OROM_BANK_PTR: 2610ce50c70SJacob Keller offset = banks->orom_ptr; 2620ce50c70SJacob Keller size = banks->orom_size; 2630ce50c70SJacob Keller active_bank = banks->orom_bank; 2640ce50c70SJacob Keller break; 2650ce50c70SJacob Keller case ICE_SR_NETLIST_BANK_PTR: 2660ce50c70SJacob Keller offset = banks->netlist_ptr; 2670ce50c70SJacob Keller size = banks->netlist_size; 2680ce50c70SJacob Keller active_bank = banks->netlist_bank; 2690ce50c70SJacob Keller break; 2700ce50c70SJacob Keller default: 2710ce50c70SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Unexpected value for flash module: 0x%04x\n", module); 2720ce50c70SJacob Keller return 0; 2730ce50c70SJacob Keller } 2740ce50c70SJacob Keller 2750ce50c70SJacob Keller switch (active_bank) { 2760ce50c70SJacob Keller case ICE_1ST_FLASH_BANK: 2770ce50c70SJacob Keller second_bank_active = false; 2780ce50c70SJacob Keller break; 2790ce50c70SJacob Keller case ICE_2ND_FLASH_BANK: 2800ce50c70SJacob Keller second_bank_active = true; 2810ce50c70SJacob Keller break; 2820ce50c70SJacob Keller default: 2830ce50c70SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Unexpected value for active flash bank: %u\n", 2840ce50c70SJacob Keller active_bank); 2850ce50c70SJacob Keller return 0; 2860ce50c70SJacob Keller } 2870ce50c70SJacob Keller 2880ce50c70SJacob Keller /* The second flash bank is stored immediately following the first 2890ce50c70SJacob Keller * bank. Based on whether the 1st or 2nd bank is active, and whether 2900ce50c70SJacob Keller * we want the active or inactive bank, calculate the desired offset. 2910ce50c70SJacob Keller */ 2920ce50c70SJacob Keller switch (bank) { 2930ce50c70SJacob Keller case ICE_ACTIVE_FLASH_BANK: 2940ce50c70SJacob Keller return offset + (second_bank_active ? size : 0); 2950ce50c70SJacob Keller case ICE_INACTIVE_FLASH_BANK: 2960ce50c70SJacob Keller return offset + (second_bank_active ? 0 : size); 2970ce50c70SJacob Keller } 2980ce50c70SJacob Keller 2990ce50c70SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Unexpected value for flash bank selection: %u\n", bank); 3000ce50c70SJacob Keller return 0; 3010ce50c70SJacob Keller } 3020ce50c70SJacob Keller 3030ce50c70SJacob Keller /** 3040ce50c70SJacob Keller * ice_read_flash_module - Read a word from one of the main NVM modules 3050ce50c70SJacob Keller * @hw: pointer to the HW structure 3060ce50c70SJacob Keller * @bank: which bank of the module to read 3070ce50c70SJacob Keller * @module: the module to read 3080ce50c70SJacob Keller * @offset: the offset into the module in bytes 3090ce50c70SJacob Keller * @data: storage for the word read from the flash 3100ce50c70SJacob Keller * @length: bytes of data to read 3110ce50c70SJacob Keller * 3120ce50c70SJacob Keller * Read data from the specified flash module. The bank parameter indicates 3130ce50c70SJacob Keller * whether or not to read from the active bank or the inactive bank of that 3140ce50c70SJacob Keller * module. 3150ce50c70SJacob Keller * 3160ce50c70SJacob Keller * The word will be read using flat NVM access, and relies on the 3170ce50c70SJacob Keller * hw->flash.banks data being setup by ice_determine_active_flash_banks() 3180ce50c70SJacob Keller * during initialization. 3190ce50c70SJacob Keller */ 3205e24d598STony Nguyen static int 3210ce50c70SJacob Keller ice_read_flash_module(struct ice_hw *hw, enum ice_bank_select bank, u16 module, 3220ce50c70SJacob Keller u32 offset, u8 *data, u32 length) 3230ce50c70SJacob Keller { 3245e24d598STony Nguyen int status; 3250ce50c70SJacob Keller u32 start; 3260ce50c70SJacob Keller 3270ce50c70SJacob Keller start = ice_get_flash_bank_offset(hw, bank, module); 3280ce50c70SJacob Keller if (!start) { 3290ce50c70SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Unable to calculate flash bank offset for module 0x%04x\n", 3300ce50c70SJacob Keller module); 331d54699e2STony Nguyen return -EINVAL; 3320ce50c70SJacob Keller } 3330ce50c70SJacob Keller 3340ce50c70SJacob Keller status = ice_acquire_nvm(hw, ICE_RES_READ); 3350ce50c70SJacob Keller if (status) 3360ce50c70SJacob Keller return status; 3370ce50c70SJacob Keller 3380ce50c70SJacob Keller status = ice_read_flat_nvm(hw, start + offset, &length, data, false); 3390ce50c70SJacob Keller 3400ce50c70SJacob Keller ice_release_nvm(hw); 3410ce50c70SJacob Keller 3420ce50c70SJacob Keller return status; 3430ce50c70SJacob Keller } 3440ce50c70SJacob Keller 3450ce50c70SJacob Keller /** 3460ce50c70SJacob Keller * ice_read_nvm_module - Read from the active main NVM module 3470ce50c70SJacob Keller * @hw: pointer to the HW structure 3480ce50c70SJacob Keller * @bank: whether to read from active or inactive NVM module 3490ce50c70SJacob Keller * @offset: offset into the NVM module to read, in words 3500ce50c70SJacob Keller * @data: storage for returned word value 3510ce50c70SJacob Keller * 3520ce50c70SJacob Keller * Read the specified word from the active NVM module. This includes the CSS 3530ce50c70SJacob Keller * header at the start of the NVM module. 3540ce50c70SJacob Keller */ 3555e24d598STony Nguyen static int 3560ce50c70SJacob Keller ice_read_nvm_module(struct ice_hw *hw, enum ice_bank_select bank, u32 offset, u16 *data) 3570ce50c70SJacob Keller { 3580ce50c70SJacob Keller __le16 data_local; 3595518ac2aSTony Nguyen int status; 3600ce50c70SJacob Keller 3610ce50c70SJacob Keller status = ice_read_flash_module(hw, bank, ICE_SR_1ST_NVM_BANK_PTR, offset * sizeof(u16), 3620ce50c70SJacob Keller (__force u8 *)&data_local, sizeof(u16)); 3630ce50c70SJacob Keller if (!status) 3640ce50c70SJacob Keller *data = le16_to_cpu(data_local); 3650ce50c70SJacob Keller 3660ce50c70SJacob Keller return status; 3670ce50c70SJacob Keller } 3680ce50c70SJacob Keller 3690ce50c70SJacob Keller /** 3700ce50c70SJacob Keller * ice_read_nvm_sr_copy - Read a word from the Shadow RAM copy in the NVM bank 3710ce50c70SJacob Keller * @hw: pointer to the HW structure 3720ce50c70SJacob Keller * @bank: whether to read from the active or inactive NVM module 3730ce50c70SJacob Keller * @offset: offset into the Shadow RAM copy to read, in words 3740ce50c70SJacob Keller * @data: storage for returned word value 3750ce50c70SJacob Keller * 3760ce50c70SJacob Keller * Read the specified word from the copy of the Shadow RAM found in the 3770ce50c70SJacob Keller * specified NVM module. 3780ce50c70SJacob Keller */ 3795e24d598STony Nguyen static int 3800ce50c70SJacob Keller ice_read_nvm_sr_copy(struct ice_hw *hw, enum ice_bank_select bank, u32 offset, u16 *data) 3810ce50c70SJacob Keller { 3820ce50c70SJacob Keller return ice_read_nvm_module(hw, bank, ICE_NVM_SR_COPY_WORD_OFFSET + offset, data); 3830ce50c70SJacob Keller } 3840ce50c70SJacob Keller 3850ce50c70SJacob Keller /** 386e120a9abSJacob Keller * ice_read_netlist_module - Read data from the netlist module area 387e120a9abSJacob Keller * @hw: pointer to the HW structure 388e120a9abSJacob Keller * @bank: whether to read from the active or inactive module 389e120a9abSJacob Keller * @offset: offset into the netlist to read from 390e120a9abSJacob Keller * @data: storage for returned word value 391e120a9abSJacob Keller * 392e120a9abSJacob Keller * Read a word from the specified netlist bank. 393e120a9abSJacob Keller */ 3945e24d598STony Nguyen static int 395e120a9abSJacob Keller ice_read_netlist_module(struct ice_hw *hw, enum ice_bank_select bank, u32 offset, u16 *data) 396e120a9abSJacob Keller { 397e120a9abSJacob Keller __le16 data_local; 3985518ac2aSTony Nguyen int status; 399e120a9abSJacob Keller 400e120a9abSJacob Keller status = ice_read_flash_module(hw, bank, ICE_SR_NETLIST_BANK_PTR, offset * sizeof(u16), 401e120a9abSJacob Keller (__force u8 *)&data_local, sizeof(u16)); 402e120a9abSJacob Keller if (!status) 403e120a9abSJacob Keller *data = le16_to_cpu(data_local); 404e120a9abSJacob Keller 405e120a9abSJacob Keller return status; 406e120a9abSJacob Keller } 407e120a9abSJacob Keller 408e120a9abSJacob Keller /** 409f31e4b6fSAnirudh Venkataramanan * ice_read_sr_word - Reads Shadow RAM word and acquire NVM if necessary 410f31e4b6fSAnirudh Venkataramanan * @hw: pointer to the HW structure 411f31e4b6fSAnirudh Venkataramanan * @offset: offset of the Shadow RAM word to read (0x000000 - 0x001FFF) 412f31e4b6fSAnirudh Venkataramanan * @data: word read from the Shadow RAM 413f31e4b6fSAnirudh Venkataramanan * 414f31e4b6fSAnirudh Venkataramanan * Reads one 16 bit word from the Shadow RAM using the ice_read_sr_word_aq. 415f31e4b6fSAnirudh Venkataramanan */ 4165e24d598STony Nguyen int ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data) 417f31e4b6fSAnirudh Venkataramanan { 4185e24d598STony Nguyen int status; 419f31e4b6fSAnirudh Venkataramanan 420f31e4b6fSAnirudh Venkataramanan status = ice_acquire_nvm(hw, ICE_RES_READ); 421f31e4b6fSAnirudh Venkataramanan if (!status) { 422f31e4b6fSAnirudh Venkataramanan status = ice_read_sr_word_aq(hw, offset, data); 423f31e4b6fSAnirudh Venkataramanan ice_release_nvm(hw); 424f31e4b6fSAnirudh Venkataramanan } 425f31e4b6fSAnirudh Venkataramanan 426f31e4b6fSAnirudh Venkataramanan return status; 427f31e4b6fSAnirudh Venkataramanan } 428f31e4b6fSAnirudh Venkataramanan 429f31e4b6fSAnirudh Venkataramanan /** 430e961b679SJacob Keller * ice_get_pfa_module_tlv - Reads sub module TLV from NVM PFA 431e961b679SJacob Keller * @hw: pointer to hardware structure 432e961b679SJacob Keller * @module_tlv: pointer to module TLV to return 433e961b679SJacob Keller * @module_tlv_len: pointer to module TLV length to return 434e961b679SJacob Keller * @module_type: module type requested 435e961b679SJacob Keller * 436e961b679SJacob Keller * Finds the requested sub module TLV type from the Preserved Field 437e961b679SJacob Keller * Area (PFA) and returns the TLV pointer and length. The caller can 438e961b679SJacob Keller * use these to read the variable length TLV value. 439e961b679SJacob Keller */ 4405e24d598STony Nguyen int 441e961b679SJacob Keller ice_get_pfa_module_tlv(struct ice_hw *hw, u16 *module_tlv, u16 *module_tlv_len, 442e961b679SJacob Keller u16 module_type) 443e961b679SJacob Keller { 444e961b679SJacob Keller u16 pfa_len, pfa_ptr; 445e961b679SJacob Keller u16 next_tlv; 4465518ac2aSTony Nguyen int status; 447e961b679SJacob Keller 448e961b679SJacob Keller status = ice_read_sr_word(hw, ICE_SR_PFA_PTR, &pfa_ptr); 449e961b679SJacob Keller if (status) { 450e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Preserved Field Array pointer.\n"); 451e961b679SJacob Keller return status; 452e961b679SJacob Keller } 453e961b679SJacob Keller status = ice_read_sr_word(hw, pfa_ptr, &pfa_len); 454e961b679SJacob Keller if (status) { 455e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read PFA length.\n"); 456e961b679SJacob Keller return status; 457e961b679SJacob Keller } 458e961b679SJacob Keller /* Starting with first TLV after PFA length, iterate through the list 459e961b679SJacob Keller * of TLVs to find the requested one. 460e961b679SJacob Keller */ 461e961b679SJacob Keller next_tlv = pfa_ptr + 1; 462e961b679SJacob Keller while (next_tlv < pfa_ptr + pfa_len) { 463e961b679SJacob Keller u16 tlv_sub_module_type; 464e961b679SJacob Keller u16 tlv_len; 465e961b679SJacob Keller 466e961b679SJacob Keller /* Read TLV type */ 467e961b679SJacob Keller status = ice_read_sr_word(hw, next_tlv, &tlv_sub_module_type); 468e961b679SJacob Keller if (status) { 469e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read TLV type.\n"); 470e961b679SJacob Keller break; 471e961b679SJacob Keller } 472e961b679SJacob Keller /* Read TLV length */ 473e961b679SJacob Keller status = ice_read_sr_word(hw, next_tlv + 1, &tlv_len); 474e961b679SJacob Keller if (status) { 475e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read TLV length.\n"); 476e961b679SJacob Keller break; 477e961b679SJacob Keller } 478e961b679SJacob Keller if (tlv_sub_module_type == module_type) { 479e961b679SJacob Keller if (tlv_len) { 480e961b679SJacob Keller *module_tlv = next_tlv; 481e961b679SJacob Keller *module_tlv_len = tlv_len; 482e961b679SJacob Keller return 0; 483e961b679SJacob Keller } 484d54699e2STony Nguyen return -EINVAL; 485e961b679SJacob Keller } 486e961b679SJacob Keller /* Check next TLV, i.e. current TLV pointer + length + 2 words 487e961b679SJacob Keller * (for current TLV's type and length) 488e961b679SJacob Keller */ 489e961b679SJacob Keller next_tlv = next_tlv + tlv_len + 2; 490e961b679SJacob Keller } 491e961b679SJacob Keller /* Module does not exist */ 492d54699e2STony Nguyen return -ENOENT; 493e961b679SJacob Keller } 494e961b679SJacob Keller 495e961b679SJacob Keller /** 496e961b679SJacob Keller * ice_read_pba_string - Reads part number string from NVM 497e961b679SJacob Keller * @hw: pointer to hardware structure 498e961b679SJacob Keller * @pba_num: stores the part number string from the NVM 499e961b679SJacob Keller * @pba_num_size: part number string buffer length 500e961b679SJacob Keller * 501e961b679SJacob Keller * Reads the part number string from the NVM. 502e961b679SJacob Keller */ 5035518ac2aSTony Nguyen int ice_read_pba_string(struct ice_hw *hw, u8 *pba_num, u32 pba_num_size) 504e961b679SJacob Keller { 505e961b679SJacob Keller u16 pba_tlv, pba_tlv_len; 506e961b679SJacob Keller u16 pba_word, pba_size; 5075518ac2aSTony Nguyen int status; 508e961b679SJacob Keller u16 i; 509e961b679SJacob Keller 510e961b679SJacob Keller status = ice_get_pfa_module_tlv(hw, &pba_tlv, &pba_tlv_len, 511e961b679SJacob Keller ICE_SR_PBA_BLOCK_PTR); 512e961b679SJacob Keller if (status) { 513e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read PBA Block TLV.\n"); 514e961b679SJacob Keller return status; 515e961b679SJacob Keller } 516e961b679SJacob Keller 517e961b679SJacob Keller /* pba_size is the next word */ 518e961b679SJacob Keller status = ice_read_sr_word(hw, (pba_tlv + 2), &pba_size); 519e961b679SJacob Keller if (status) { 520e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read PBA Section size.\n"); 521e961b679SJacob Keller return status; 522e961b679SJacob Keller } 523e961b679SJacob Keller 524e961b679SJacob Keller if (pba_tlv_len < pba_size) { 525e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Invalid PBA Block TLV size.\n"); 526d54699e2STony Nguyen return -EINVAL; 527e961b679SJacob Keller } 528e961b679SJacob Keller 529e961b679SJacob Keller /* Subtract one to get PBA word count (PBA Size word is included in 530e961b679SJacob Keller * total size) 531e961b679SJacob Keller */ 532e961b679SJacob Keller pba_size--; 533e961b679SJacob Keller if (pba_num_size < (((u32)pba_size * 2) + 1)) { 534e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Buffer too small for PBA data.\n"); 535d54699e2STony Nguyen return -EINVAL; 536e961b679SJacob Keller } 537e961b679SJacob Keller 538e961b679SJacob Keller for (i = 0; i < pba_size; i++) { 539e961b679SJacob Keller status = ice_read_sr_word(hw, (pba_tlv + 2 + 1) + i, &pba_word); 540e961b679SJacob Keller if (status) { 541e961b679SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read PBA Block word %d.\n", i); 542e961b679SJacob Keller return status; 543e961b679SJacob Keller } 544e961b679SJacob Keller 545e961b679SJacob Keller pba_num[(i * 2)] = (pba_word >> 8) & 0xFF; 546e961b679SJacob Keller pba_num[(i * 2) + 1] = pba_word & 0xFF; 547e961b679SJacob Keller } 548e961b679SJacob Keller pba_num[(pba_size * 2)] = '\0'; 549e961b679SJacob Keller 550e961b679SJacob Keller return status; 551e961b679SJacob Keller } 552e961b679SJacob Keller 553e961b679SJacob Keller /** 5549af368faSJacob Keller * ice_get_nvm_ver_info - Read NVM version information 5559af368faSJacob Keller * @hw: pointer to the HW struct 5560ce50c70SJacob Keller * @bank: whether to read from the active or inactive flash bank 5579af368faSJacob Keller * @nvm: pointer to NVM info structure 5589af368faSJacob Keller * 5599af368faSJacob Keller * Read the NVM EETRACK ID and map version of the main NVM image bank, filling 5609af368faSJacob Keller * in the NVM info structure. 5619af368faSJacob Keller */ 5625e24d598STony Nguyen static int 5630ce50c70SJacob Keller ice_get_nvm_ver_info(struct ice_hw *hw, enum ice_bank_select bank, struct ice_nvm_info *nvm) 5649af368faSJacob Keller { 5659af368faSJacob Keller u16 eetrack_lo, eetrack_hi, ver; 5665e24d598STony Nguyen int status; 5679af368faSJacob Keller 5680ce50c70SJacob Keller status = ice_read_nvm_sr_copy(hw, bank, ICE_SR_NVM_DEV_STARTER_VER, &ver); 5699af368faSJacob Keller if (status) { 5709af368faSJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read DEV starter version.\n"); 5719af368faSJacob Keller return status; 5729af368faSJacob Keller } 5730ce50c70SJacob Keller 5749af368faSJacob Keller nvm->major = (ver & ICE_NVM_VER_HI_MASK) >> ICE_NVM_VER_HI_SHIFT; 5759af368faSJacob Keller nvm->minor = (ver & ICE_NVM_VER_LO_MASK) >> ICE_NVM_VER_LO_SHIFT; 5769af368faSJacob Keller 5770ce50c70SJacob Keller status = ice_read_nvm_sr_copy(hw, bank, ICE_SR_NVM_EETRACK_LO, &eetrack_lo); 5789af368faSJacob Keller if (status) { 5799af368faSJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read EETRACK lo.\n"); 5809af368faSJacob Keller return status; 5819af368faSJacob Keller } 5820ce50c70SJacob Keller status = ice_read_nvm_sr_copy(hw, bank, ICE_SR_NVM_EETRACK_HI, &eetrack_hi); 5839af368faSJacob Keller if (status) { 5849af368faSJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read EETRACK hi.\n"); 5859af368faSJacob Keller return status; 5869af368faSJacob Keller } 5879af368faSJacob Keller 5889af368faSJacob Keller nvm->eetrack = (eetrack_hi << 16) | eetrack_lo; 5899af368faSJacob Keller 5909af368faSJacob Keller return 0; 5919af368faSJacob Keller } 5929af368faSJacob Keller 5939af368faSJacob Keller /** 5942c4fe41dSJacob Keller * ice_get_inactive_nvm_ver - Read Option ROM version from the inactive bank 5952c4fe41dSJacob Keller * @hw: pointer to the HW structure 5962c4fe41dSJacob Keller * @nvm: storage for Option ROM version information 5972c4fe41dSJacob Keller * 5982c4fe41dSJacob Keller * Reads the NVM EETRACK ID, Map version, and security revision of the 5992c4fe41dSJacob Keller * inactive NVM bank. Used to access version data for a pending update that 6002c4fe41dSJacob Keller * has not yet been activated. 6012c4fe41dSJacob Keller */ 6025e24d598STony Nguyen int ice_get_inactive_nvm_ver(struct ice_hw *hw, struct ice_nvm_info *nvm) 6032c4fe41dSJacob Keller { 6042c4fe41dSJacob Keller return ice_get_nvm_ver_info(hw, ICE_INACTIVE_FLASH_BANK, nvm); 6052c4fe41dSJacob Keller } 6062c4fe41dSJacob Keller 6072c4fe41dSJacob Keller /** 608e67fbcfbSJacob Keller * ice_get_orom_civd_data - Get the combo version information from Option ROM 609d4e87444SJacob Keller * @hw: pointer to the HW struct 610e67fbcfbSJacob Keller * @bank: whether to read from the active or inactive flash module 611e67fbcfbSJacob Keller * @civd: storage for the Option ROM CIVD data. 612d4e87444SJacob Keller * 613e67fbcfbSJacob Keller * Searches through the Option ROM flash contents to locate the CIVD data for 614e67fbcfbSJacob Keller * the image. 615d4e87444SJacob Keller */ 6165e24d598STony Nguyen static int 617e67fbcfbSJacob Keller ice_get_orom_civd_data(struct ice_hw *hw, enum ice_bank_select bank, 618e67fbcfbSJacob Keller struct ice_orom_civd_info *civd) 619d4e87444SJacob Keller { 620af18d886SJacob Keller u8 *orom_data; 6215e24d598STony Nguyen int status; 622e67fbcfbSJacob Keller u32 offset; 623e67fbcfbSJacob Keller 624e67fbcfbSJacob Keller /* The CIVD section is located in the Option ROM aligned to 512 bytes. 625e67fbcfbSJacob Keller * The first 4 bytes must contain the ASCII characters "$CIV". 626e67fbcfbSJacob Keller * A simple modulo 256 sum of all of the bytes of the structure must 627e67fbcfbSJacob Keller * equal 0. 628af18d886SJacob Keller * 629af18d886SJacob Keller * The exact location is unknown and varies between images but is 630af18d886SJacob Keller * usually somewhere in the middle of the bank. We need to scan the 631af18d886SJacob Keller * Option ROM bank to locate it. 632af18d886SJacob Keller * 633af18d886SJacob Keller * It's significantly faster to read the entire Option ROM up front 634af18d886SJacob Keller * using the maximum page size, than to read each possible location 635af18d886SJacob Keller * with a separate firmware command. 636e67fbcfbSJacob Keller */ 637af18d886SJacob Keller orom_data = vzalloc(hw->flash.banks.orom_size); 638af18d886SJacob Keller if (!orom_data) 639af18d886SJacob Keller return -ENOMEM; 640e67fbcfbSJacob Keller 641af18d886SJacob Keller status = ice_read_flash_module(hw, bank, ICE_SR_1ST_OROM_BANK_PTR, 0, 642af18d886SJacob Keller orom_data, hw->flash.banks.orom_size); 643e67fbcfbSJacob Keller if (status) { 6447c8881b7SJianglei Nie vfree(orom_data); 645af18d886SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Unable to read Option ROM data\n"); 646e67fbcfbSJacob Keller return status; 647e67fbcfbSJacob Keller } 648e67fbcfbSJacob Keller 649af18d886SJacob Keller /* Scan the memory buffer to locate the CIVD data section */ 650af18d886SJacob Keller for (offset = 0; (offset + 512) <= hw->flash.banks.orom_size; offset += 512) { 651af18d886SJacob Keller struct ice_orom_civd_info *tmp; 652af18d886SJacob Keller u8 sum = 0, i; 653af18d886SJacob Keller 654af18d886SJacob Keller tmp = (struct ice_orom_civd_info *)&orom_data[offset]; 655af18d886SJacob Keller 656e67fbcfbSJacob Keller /* Skip forward until we find a matching signature */ 657af18d886SJacob Keller if (memcmp("$CIV", tmp->signature, sizeof(tmp->signature)) != 0) 658e67fbcfbSJacob Keller continue; 659e67fbcfbSJacob Keller 660af18d886SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Found CIVD section at offset %u\n", 661af18d886SJacob Keller offset); 662af18d886SJacob Keller 663e67fbcfbSJacob Keller /* Verify that the simple checksum is zero */ 664af18d886SJacob Keller for (i = 0; i < sizeof(*tmp); i++) 665b370245bSBruce Allan /* cppcheck-suppress objectIndex */ 666af18d886SJacob Keller sum += ((u8 *)tmp)[i]; 667e67fbcfbSJacob Keller 668e67fbcfbSJacob Keller if (sum) { 669e67fbcfbSJacob Keller ice_debug(hw, ICE_DBG_NVM, "Found CIVD data with invalid checksum of %u\n", 670e67fbcfbSJacob Keller sum); 671af18d886SJacob Keller goto err_invalid_checksum; 672e67fbcfbSJacob Keller } 673e67fbcfbSJacob Keller 674af18d886SJacob Keller *civd = *tmp; 675af18d886SJacob Keller vfree(orom_data); 676e67fbcfbSJacob Keller return 0; 677e67fbcfbSJacob Keller } 678e67fbcfbSJacob Keller 679af18d886SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Unable to locate CIVD data within the Option ROM\n"); 680af18d886SJacob Keller 681af18d886SJacob Keller err_invalid_checksum: 682af18d886SJacob Keller vfree(orom_data); 683d54699e2STony Nguyen return -EIO; 684e67fbcfbSJacob Keller } 685e67fbcfbSJacob Keller 686e67fbcfbSJacob Keller /** 687e67fbcfbSJacob Keller * ice_get_orom_ver_info - Read Option ROM version information 688e67fbcfbSJacob Keller * @hw: pointer to the HW struct 689e67fbcfbSJacob Keller * @bank: whether to read from the active or inactive flash module 690e67fbcfbSJacob Keller * @orom: pointer to Option ROM info structure 691e67fbcfbSJacob Keller * 692e67fbcfbSJacob Keller * Read Option ROM version and security revision from the Option ROM flash 693e67fbcfbSJacob Keller * section. 694e67fbcfbSJacob Keller */ 6955e24d598STony Nguyen static int 696e67fbcfbSJacob Keller ice_get_orom_ver_info(struct ice_hw *hw, enum ice_bank_select bank, struct ice_orom_info *orom) 697e67fbcfbSJacob Keller { 698e67fbcfbSJacob Keller struct ice_orom_civd_info civd; 699d4e87444SJacob Keller u32 combo_ver; 7005518ac2aSTony Nguyen int status; 701d4e87444SJacob Keller 702e67fbcfbSJacob Keller status = ice_get_orom_civd_data(hw, bank, &civd); 703d4e87444SJacob Keller if (status) { 704e67fbcfbSJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to locate valid Option ROM CIVD data\n"); 705d4e87444SJacob Keller return status; 706d4e87444SJacob Keller } 707d4e87444SJacob Keller 708e67fbcfbSJacob Keller combo_ver = le32_to_cpu(civd.combo_ver); 709d4e87444SJacob Keller 710e67fbcfbSJacob Keller orom->major = (u8)((combo_ver & ICE_OROM_VER_MASK) >> ICE_OROM_VER_SHIFT); 711d4e87444SJacob Keller orom->patch = (u8)(combo_ver & ICE_OROM_VER_PATCH_MASK); 712e67fbcfbSJacob Keller orom->build = (u16)((combo_ver & ICE_OROM_VER_BUILD_MASK) >> ICE_OROM_VER_BUILD_SHIFT); 713d4e87444SJacob Keller 714d4e87444SJacob Keller return 0; 715d4e87444SJacob Keller } 716d4e87444SJacob Keller 717d4e87444SJacob Keller /** 718e67fbcfbSJacob Keller * ice_get_inactive_orom_ver - Read Option ROM version from the inactive bank 719e67fbcfbSJacob Keller * @hw: pointer to the HW structure 720e67fbcfbSJacob Keller * @orom: storage for Option ROM version information 721e67fbcfbSJacob Keller * 722e67fbcfbSJacob Keller * Reads the Option ROM version and security revision data for the inactive 723e67fbcfbSJacob Keller * section of flash. Used to access version data for a pending update that has 724e67fbcfbSJacob Keller * not yet been activated. 725e67fbcfbSJacob Keller */ 7265e24d598STony Nguyen int ice_get_inactive_orom_ver(struct ice_hw *hw, struct ice_orom_info *orom) 727e67fbcfbSJacob Keller { 728e67fbcfbSJacob Keller return ice_get_orom_ver_info(hw, ICE_INACTIVE_FLASH_BANK, orom); 729e67fbcfbSJacob Keller } 730e67fbcfbSJacob Keller 731e67fbcfbSJacob Keller /** 732e120a9abSJacob Keller * ice_get_netlist_info 733f45a645fSJacob Keller * @hw: pointer to the HW struct 734e120a9abSJacob Keller * @bank: whether to read from the active or inactive flash bank 735e120a9abSJacob Keller * @netlist: pointer to netlist version info structure 736f45a645fSJacob Keller * 737e120a9abSJacob Keller * Get the netlist version information from the requested bank. Reads the Link 738e120a9abSJacob Keller * Topology section to find the Netlist ID block and extract the relevant 739e120a9abSJacob Keller * information into the netlist version structure. 740f45a645fSJacob Keller */ 7415e24d598STony Nguyen static int 742e120a9abSJacob Keller ice_get_netlist_info(struct ice_hw *hw, enum ice_bank_select bank, 743e120a9abSJacob Keller struct ice_netlist_info *netlist) 744f45a645fSJacob Keller { 745e120a9abSJacob Keller u16 module_id, length, node_count, i; 746e120a9abSJacob Keller u16 *id_blk; 7475518ac2aSTony Nguyen int status; 748f45a645fSJacob Keller 749e120a9abSJacob Keller status = ice_read_netlist_module(hw, bank, ICE_NETLIST_TYPE_OFFSET, &module_id); 750e120a9abSJacob Keller if (status) 751e120a9abSJacob Keller return status; 752e120a9abSJacob Keller 753e120a9abSJacob Keller if (module_id != ICE_NETLIST_LINK_TOPO_MOD_ID) { 754e120a9abSJacob Keller ice_debug(hw, ICE_DBG_NVM, "Expected netlist module_id ID of 0x%04x, but got 0x%04x\n", 755e120a9abSJacob Keller ICE_NETLIST_LINK_TOPO_MOD_ID, module_id); 756d54699e2STony Nguyen return -EIO; 757f45a645fSJacob Keller } 758f45a645fSJacob Keller 759e120a9abSJacob Keller status = ice_read_netlist_module(hw, bank, ICE_LINK_TOPO_MODULE_LEN, &length); 760e120a9abSJacob Keller if (status) 761e120a9abSJacob Keller return status; 762e120a9abSJacob Keller 763e120a9abSJacob Keller /* sanity check that we have at least enough words to store the netlist ID block */ 764e120a9abSJacob Keller if (length < ICE_NETLIST_ID_BLK_SIZE) { 765e120a9abSJacob Keller ice_debug(hw, ICE_DBG_NVM, "Netlist Link Topology module too small. Expected at least %u words, but got %u words.\n", 766e120a9abSJacob Keller ICE_NETLIST_ID_BLK_SIZE, length); 767d54699e2STony Nguyen return -EIO; 768e120a9abSJacob Keller } 769e120a9abSJacob Keller 770e120a9abSJacob Keller status = ice_read_netlist_module(hw, bank, ICE_LINK_TOPO_NODE_COUNT, &node_count); 771e120a9abSJacob Keller if (status) 772e120a9abSJacob Keller return status; 773e120a9abSJacob Keller node_count &= ICE_LINK_TOPO_NODE_COUNT_M; 774e120a9abSJacob Keller 775e120a9abSJacob Keller id_blk = kcalloc(ICE_NETLIST_ID_BLK_SIZE, sizeof(*id_blk), GFP_KERNEL); 776e120a9abSJacob Keller if (!id_blk) 777d54699e2STony Nguyen return -ENOMEM; 778e120a9abSJacob Keller 779e120a9abSJacob Keller /* Read out the entire Netlist ID Block at once. */ 780e120a9abSJacob Keller status = ice_read_flash_module(hw, bank, ICE_SR_NETLIST_BANK_PTR, 781e120a9abSJacob Keller ICE_NETLIST_ID_BLK_OFFSET(node_count) * sizeof(u16), 782e120a9abSJacob Keller (u8 *)id_blk, ICE_NETLIST_ID_BLK_SIZE * sizeof(u16)); 783e120a9abSJacob Keller if (status) 784f45a645fSJacob Keller goto exit_error; 785f45a645fSJacob Keller 786e120a9abSJacob Keller for (i = 0; i < ICE_NETLIST_ID_BLK_SIZE; i++) 787e120a9abSJacob Keller id_blk[i] = le16_to_cpu(((__force __le16 *)id_blk)[i]); 788f45a645fSJacob Keller 789e120a9abSJacob Keller netlist->major = id_blk[ICE_NETLIST_ID_BLK_MAJOR_VER_HIGH] << 16 | 790e120a9abSJacob Keller id_blk[ICE_NETLIST_ID_BLK_MAJOR_VER_LOW]; 791e120a9abSJacob Keller netlist->minor = id_blk[ICE_NETLIST_ID_BLK_MINOR_VER_HIGH] << 16 | 792e120a9abSJacob Keller id_blk[ICE_NETLIST_ID_BLK_MINOR_VER_LOW]; 793e120a9abSJacob Keller netlist->type = id_blk[ICE_NETLIST_ID_BLK_TYPE_HIGH] << 16 | 794e120a9abSJacob Keller id_blk[ICE_NETLIST_ID_BLK_TYPE_LOW]; 795e120a9abSJacob Keller netlist->rev = id_blk[ICE_NETLIST_ID_BLK_REV_HIGH] << 16 | 796e120a9abSJacob Keller id_blk[ICE_NETLIST_ID_BLK_REV_LOW]; 797e120a9abSJacob Keller netlist->cust_ver = id_blk[ICE_NETLIST_ID_BLK_CUST_VER]; 798f45a645fSJacob Keller /* Read the left most 4 bytes of SHA */ 799e120a9abSJacob Keller netlist->hash = id_blk[ICE_NETLIST_ID_BLK_SHA_HASH_WORD(15)] << 16 | 800e120a9abSJacob Keller id_blk[ICE_NETLIST_ID_BLK_SHA_HASH_WORD(14)]; 801f45a645fSJacob Keller 802f45a645fSJacob Keller exit_error: 803e120a9abSJacob Keller kfree(id_blk); 804e120a9abSJacob Keller 805e120a9abSJacob Keller return status; 806e120a9abSJacob Keller } 807e120a9abSJacob Keller 808e120a9abSJacob Keller /** 809e120a9abSJacob Keller * ice_get_inactive_netlist_ver 810e120a9abSJacob Keller * @hw: pointer to the HW struct 811e120a9abSJacob Keller * @netlist: pointer to netlist version info structure 812e120a9abSJacob Keller * 813e120a9abSJacob Keller * Read the netlist version data from the inactive netlist bank. Used to 814e120a9abSJacob Keller * extract version data of a pending flash update in order to display the 815e120a9abSJacob Keller * version data. 816e120a9abSJacob Keller */ 8175e24d598STony Nguyen int ice_get_inactive_netlist_ver(struct ice_hw *hw, struct ice_netlist_info *netlist) 818e120a9abSJacob Keller { 819e120a9abSJacob Keller return ice_get_netlist_info(hw, ICE_INACTIVE_FLASH_BANK, netlist); 820f45a645fSJacob Keller } 821f45a645fSJacob Keller 822f45a645fSJacob Keller /** 82381f07491SJacob Keller * ice_discover_flash_size - Discover the available flash size. 82481f07491SJacob Keller * @hw: pointer to the HW struct 82581f07491SJacob Keller * 82681f07491SJacob Keller * The device flash could be up to 16MB in size. However, it is possible that 82781f07491SJacob Keller * the actual size is smaller. Use bisection to determine the accessible size 82881f07491SJacob Keller * of flash memory. 82981f07491SJacob Keller */ 8305e24d598STony Nguyen static int ice_discover_flash_size(struct ice_hw *hw) 83181f07491SJacob Keller { 83281f07491SJacob Keller u32 min_size = 0, max_size = ICE_AQC_NVM_MAX_OFFSET + 1; 8335e24d598STony Nguyen int status; 83481f07491SJacob Keller 83581f07491SJacob Keller status = ice_acquire_nvm(hw, ICE_RES_READ); 83681f07491SJacob Keller if (status) 83781f07491SJacob Keller return status; 83881f07491SJacob Keller 83981f07491SJacob Keller while ((max_size - min_size) > 1) { 84081f07491SJacob Keller u32 offset = (max_size + min_size) / 2; 84181f07491SJacob Keller u32 len = 1; 84281f07491SJacob Keller u8 data; 84381f07491SJacob Keller 84481f07491SJacob Keller status = ice_read_flat_nvm(hw, offset, &len, &data, false); 845d54699e2STony Nguyen if (status == -EIO && 84681f07491SJacob Keller hw->adminq.sq_last_status == ICE_AQ_RC_EINVAL) { 8479228d8b2SJacob Keller ice_debug(hw, ICE_DBG_NVM, "%s: New upper bound of %u bytes\n", 84881f07491SJacob Keller __func__, offset); 84981f07491SJacob Keller status = 0; 85081f07491SJacob Keller max_size = offset; 85181f07491SJacob Keller } else if (!status) { 8529228d8b2SJacob Keller ice_debug(hw, ICE_DBG_NVM, "%s: New lower bound of %u bytes\n", 85381f07491SJacob Keller __func__, offset); 85481f07491SJacob Keller min_size = offset; 85581f07491SJacob Keller } else { 85681f07491SJacob Keller /* an unexpected error occurred */ 85781f07491SJacob Keller goto err_read_flat_nvm; 85881f07491SJacob Keller } 85981f07491SJacob Keller } 86081f07491SJacob Keller 8619228d8b2SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Predicted flash size is %u bytes\n", max_size); 86281f07491SJacob Keller 8639af368faSJacob Keller hw->flash.flash_size = max_size; 86481f07491SJacob Keller 86581f07491SJacob Keller err_read_flat_nvm: 86681f07491SJacob Keller ice_release_nvm(hw); 86781f07491SJacob Keller 86881f07491SJacob Keller return status; 86981f07491SJacob Keller } 87081f07491SJacob Keller 87181f07491SJacob Keller /** 8721fa95e01SJacob Keller * ice_read_sr_pointer - Read the value of a Shadow RAM pointer word 8731fa95e01SJacob Keller * @hw: pointer to the HW structure 8741fa95e01SJacob Keller * @offset: the word offset of the Shadow RAM word to read 8751fa95e01SJacob Keller * @pointer: pointer value read from Shadow RAM 8761fa95e01SJacob Keller * 8771fa95e01SJacob Keller * Read the given Shadow RAM word, and convert it to a pointer value specified 8781fa95e01SJacob Keller * in bytes. This function assumes the specified offset is a valid pointer 8791fa95e01SJacob Keller * word. 8801fa95e01SJacob Keller * 8811fa95e01SJacob Keller * Each pointer word specifies whether it is stored in word size or 4KB 8821fa95e01SJacob Keller * sector size by using the highest bit. The reported pointer value will be in 8831fa95e01SJacob Keller * bytes, intended for flat NVM reads. 8841fa95e01SJacob Keller */ 8855518ac2aSTony Nguyen static int ice_read_sr_pointer(struct ice_hw *hw, u16 offset, u32 *pointer) 8861fa95e01SJacob Keller { 8875e24d598STony Nguyen int status; 8881fa95e01SJacob Keller u16 value; 8891fa95e01SJacob Keller 8901fa95e01SJacob Keller status = ice_read_sr_word(hw, offset, &value); 8911fa95e01SJacob Keller if (status) 8921fa95e01SJacob Keller return status; 8931fa95e01SJacob Keller 8941fa95e01SJacob Keller /* Determine if the pointer is in 4KB or word units */ 8951fa95e01SJacob Keller if (value & ICE_SR_NVM_PTR_4KB_UNITS) 8961fa95e01SJacob Keller *pointer = (value & ~ICE_SR_NVM_PTR_4KB_UNITS) * 4 * 1024; 8971fa95e01SJacob Keller else 8981fa95e01SJacob Keller *pointer = value * 2; 8991fa95e01SJacob Keller 9001fa95e01SJacob Keller return 0; 9011fa95e01SJacob Keller } 9021fa95e01SJacob Keller 9031fa95e01SJacob Keller /** 9041fa95e01SJacob Keller * ice_read_sr_area_size - Read an area size from a Shadow RAM word 9051fa95e01SJacob Keller * @hw: pointer to the HW structure 9061fa95e01SJacob Keller * @offset: the word offset of the Shadow RAM to read 9071fa95e01SJacob Keller * @size: size value read from the Shadow RAM 9081fa95e01SJacob Keller * 9091fa95e01SJacob Keller * Read the given Shadow RAM word, and convert it to an area size value 9101fa95e01SJacob Keller * specified in bytes. This function assumes the specified offset is a valid 9111fa95e01SJacob Keller * area size word. 9121fa95e01SJacob Keller * 9131fa95e01SJacob Keller * Each area size word is specified in 4KB sector units. This function reports 9141fa95e01SJacob Keller * the size in bytes, intended for flat NVM reads. 9151fa95e01SJacob Keller */ 9165518ac2aSTony Nguyen static int ice_read_sr_area_size(struct ice_hw *hw, u16 offset, u32 *size) 9171fa95e01SJacob Keller { 9185e24d598STony Nguyen int status; 9191fa95e01SJacob Keller u16 value; 9201fa95e01SJacob Keller 9211fa95e01SJacob Keller status = ice_read_sr_word(hw, offset, &value); 9221fa95e01SJacob Keller if (status) 9231fa95e01SJacob Keller return status; 9241fa95e01SJacob Keller 9251fa95e01SJacob Keller /* Area sizes are always specified in 4KB units */ 9261fa95e01SJacob Keller *size = value * 4 * 1024; 9271fa95e01SJacob Keller 9281fa95e01SJacob Keller return 0; 9291fa95e01SJacob Keller } 9301fa95e01SJacob Keller 9311fa95e01SJacob Keller /** 9321fa95e01SJacob Keller * ice_determine_active_flash_banks - Discover active bank for each module 9331fa95e01SJacob Keller * @hw: pointer to the HW struct 9341fa95e01SJacob Keller * 9351fa95e01SJacob Keller * Read the Shadow RAM control word and determine which banks are active for 9361fa95e01SJacob Keller * the NVM, OROM, and Netlist modules. Also read and calculate the associated 9371fa95e01SJacob Keller * pointer and size. These values are then cached into the ice_flash_info 9381fa95e01SJacob Keller * structure for later use in order to calculate the correct offset to read 9391fa95e01SJacob Keller * from the active module. 9401fa95e01SJacob Keller */ 9415518ac2aSTony Nguyen static int ice_determine_active_flash_banks(struct ice_hw *hw) 9421fa95e01SJacob Keller { 9431fa95e01SJacob Keller struct ice_bank_info *banks = &hw->flash.banks; 9441fa95e01SJacob Keller u16 ctrl_word; 9455518ac2aSTony Nguyen int status; 9461fa95e01SJacob Keller 9471fa95e01SJacob Keller status = ice_read_sr_word(hw, ICE_SR_NVM_CTRL_WORD, &ctrl_word); 9481fa95e01SJacob Keller if (status) { 9491fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read the Shadow RAM control word\n"); 9501fa95e01SJacob Keller return status; 9511fa95e01SJacob Keller } 9521fa95e01SJacob Keller 9531fa95e01SJacob Keller /* Check that the control word indicates validity */ 9541fa95e01SJacob Keller if ((ctrl_word & ICE_SR_CTRL_WORD_1_M) >> ICE_SR_CTRL_WORD_1_S != ICE_SR_CTRL_WORD_VALID) { 9551fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Shadow RAM control word is invalid\n"); 956d54699e2STony Nguyen return -EIO; 9571fa95e01SJacob Keller } 9581fa95e01SJacob Keller 9591fa95e01SJacob Keller if (!(ctrl_word & ICE_SR_CTRL_WORD_NVM_BANK)) 9601fa95e01SJacob Keller banks->nvm_bank = ICE_1ST_FLASH_BANK; 9611fa95e01SJacob Keller else 9621fa95e01SJacob Keller banks->nvm_bank = ICE_2ND_FLASH_BANK; 9631fa95e01SJacob Keller 9641fa95e01SJacob Keller if (!(ctrl_word & ICE_SR_CTRL_WORD_OROM_BANK)) 9651fa95e01SJacob Keller banks->orom_bank = ICE_1ST_FLASH_BANK; 9661fa95e01SJacob Keller else 9671fa95e01SJacob Keller banks->orom_bank = ICE_2ND_FLASH_BANK; 9681fa95e01SJacob Keller 9691fa95e01SJacob Keller if (!(ctrl_word & ICE_SR_CTRL_WORD_NETLIST_BANK)) 9701fa95e01SJacob Keller banks->netlist_bank = ICE_1ST_FLASH_BANK; 9711fa95e01SJacob Keller else 9721fa95e01SJacob Keller banks->netlist_bank = ICE_2ND_FLASH_BANK; 9731fa95e01SJacob Keller 9741fa95e01SJacob Keller status = ice_read_sr_pointer(hw, ICE_SR_1ST_NVM_BANK_PTR, &banks->nvm_ptr); 9751fa95e01SJacob Keller if (status) { 9761fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read NVM bank pointer\n"); 9771fa95e01SJacob Keller return status; 9781fa95e01SJacob Keller } 9791fa95e01SJacob Keller 9801fa95e01SJacob Keller status = ice_read_sr_area_size(hw, ICE_SR_NVM_BANK_SIZE, &banks->nvm_size); 9811fa95e01SJacob Keller if (status) { 9821fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read NVM bank area size\n"); 9831fa95e01SJacob Keller return status; 9841fa95e01SJacob Keller } 9851fa95e01SJacob Keller 9861fa95e01SJacob Keller status = ice_read_sr_pointer(hw, ICE_SR_1ST_OROM_BANK_PTR, &banks->orom_ptr); 9871fa95e01SJacob Keller if (status) { 9881fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read OROM bank pointer\n"); 9891fa95e01SJacob Keller return status; 9901fa95e01SJacob Keller } 9911fa95e01SJacob Keller 9921fa95e01SJacob Keller status = ice_read_sr_area_size(hw, ICE_SR_OROM_BANK_SIZE, &banks->orom_size); 9931fa95e01SJacob Keller if (status) { 9941fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read OROM bank area size\n"); 9951fa95e01SJacob Keller return status; 9961fa95e01SJacob Keller } 9971fa95e01SJacob Keller 9981fa95e01SJacob Keller status = ice_read_sr_pointer(hw, ICE_SR_NETLIST_BANK_PTR, &banks->netlist_ptr); 9991fa95e01SJacob Keller if (status) { 10001fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read Netlist bank pointer\n"); 10011fa95e01SJacob Keller return status; 10021fa95e01SJacob Keller } 10031fa95e01SJacob Keller 10041fa95e01SJacob Keller status = ice_read_sr_area_size(hw, ICE_SR_NETLIST_BANK_SIZE, &banks->netlist_size); 10051fa95e01SJacob Keller if (status) { 10061fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to read Netlist bank area size\n"); 10071fa95e01SJacob Keller return status; 10081fa95e01SJacob Keller } 10091fa95e01SJacob Keller 10101fa95e01SJacob Keller return 0; 10111fa95e01SJacob Keller } 10121fa95e01SJacob Keller 10131fa95e01SJacob Keller /** 1014f31e4b6fSAnirudh Venkataramanan * ice_init_nvm - initializes NVM setting 1015f9867df6SAnirudh Venkataramanan * @hw: pointer to the HW struct 1016f31e4b6fSAnirudh Venkataramanan * 1017f31e4b6fSAnirudh Venkataramanan * This function reads and populates NVM settings such as Shadow RAM size, 1018f31e4b6fSAnirudh Venkataramanan * max_timeout, and blank_nvm_mode 1019f31e4b6fSAnirudh Venkataramanan */ 10205e24d598STony Nguyen int ice_init_nvm(struct ice_hw *hw) 1021f31e4b6fSAnirudh Venkataramanan { 10229af368faSJacob Keller struct ice_flash_info *flash = &hw->flash; 1023f31e4b6fSAnirudh Venkataramanan u32 fla, gens_stat; 1024f31e4b6fSAnirudh Venkataramanan u8 sr_size; 10255518ac2aSTony Nguyen int status; 1026f31e4b6fSAnirudh Venkataramanan 1027f9867df6SAnirudh Venkataramanan /* The SR size is stored regardless of the NVM programming mode 1028f31e4b6fSAnirudh Venkataramanan * as the blank mode may be used in the factory line. 1029f31e4b6fSAnirudh Venkataramanan */ 1030f31e4b6fSAnirudh Venkataramanan gens_stat = rd32(hw, GLNVM_GENS); 1031f31e4b6fSAnirudh Venkataramanan sr_size = (gens_stat & GLNVM_GENS_SR_SIZE_M) >> GLNVM_GENS_SR_SIZE_S; 1032f31e4b6fSAnirudh Venkataramanan 1033f31e4b6fSAnirudh Venkataramanan /* Switching to words (sr_size contains power of 2) */ 10349af368faSJacob Keller flash->sr_words = BIT(sr_size) * ICE_SR_WORDS_IN_1KB; 1035f31e4b6fSAnirudh Venkataramanan 1036f31e4b6fSAnirudh Venkataramanan /* Check if we are in the normal or blank NVM programming mode */ 1037f31e4b6fSAnirudh Venkataramanan fla = rd32(hw, GLNVM_FLA); 1038f31e4b6fSAnirudh Venkataramanan if (fla & GLNVM_FLA_LOCKED_M) { /* Normal programming mode */ 10399af368faSJacob Keller flash->blank_nvm_mode = false; 1040031f2147SMd Fahad Iqbal Polash } else { 1041031f2147SMd Fahad Iqbal Polash /* Blank programming mode */ 10429af368faSJacob Keller flash->blank_nvm_mode = true; 10439228d8b2SJacob Keller ice_debug(hw, ICE_DBG_NVM, "NVM init error: unsupported blank mode.\n"); 1044d54699e2STony Nguyen return -EIO; 1045f31e4b6fSAnirudh Venkataramanan } 1046f31e4b6fSAnirudh Venkataramanan 104781f07491SJacob Keller status = ice_discover_flash_size(hw); 104881f07491SJacob Keller if (status) { 10499228d8b2SJacob Keller ice_debug(hw, ICE_DBG_NVM, "NVM init error: failed to discover flash size.\n"); 105081f07491SJacob Keller return status; 105181f07491SJacob Keller } 105281f07491SJacob Keller 10531fa95e01SJacob Keller status = ice_determine_active_flash_banks(hw); 10541fa95e01SJacob Keller if (status) { 10551fa95e01SJacob Keller ice_debug(hw, ICE_DBG_NVM, "Failed to determine active flash banks.\n"); 10561fa95e01SJacob Keller return status; 10571fa95e01SJacob Keller } 10581fa95e01SJacob Keller 10590ce50c70SJacob Keller status = ice_get_nvm_ver_info(hw, ICE_ACTIVE_FLASH_BANK, &flash->nvm); 10609af368faSJacob Keller if (status) { 10619af368faSJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read NVM info.\n"); 10629af368faSJacob Keller return status; 10639af368faSJacob Keller } 10649af368faSJacob Keller 1065e67fbcfbSJacob Keller status = ice_get_orom_ver_info(hw, ICE_ACTIVE_FLASH_BANK, &flash->orom); 1066e67fbcfbSJacob Keller if (status) 1067d4e87444SJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read Option ROM info.\n"); 10684c98ab55SBruce Allan 1069f45a645fSJacob Keller /* read the netlist version information */ 1070e120a9abSJacob Keller status = ice_get_netlist_info(hw, ICE_ACTIVE_FLASH_BANK, &flash->netlist); 1071f45a645fSJacob Keller if (status) 1072f45a645fSJacob Keller ice_debug(hw, ICE_DBG_INIT, "Failed to read netlist info.\n"); 1073f45a645fSJacob Keller 1074031f2147SMd Fahad Iqbal Polash return 0; 1075031f2147SMd Fahad Iqbal Polash } 1076031f2147SMd Fahad Iqbal Polash 10774c98ab55SBruce Allan /** 10780e674aebSAnirudh Venkataramanan * ice_nvm_validate_checksum 10790e674aebSAnirudh Venkataramanan * @hw: pointer to the HW struct 10800e674aebSAnirudh Venkataramanan * 10810e674aebSAnirudh Venkataramanan * Verify NVM PFA checksum validity (0x0706) 10820e674aebSAnirudh Venkataramanan */ 10835e24d598STony Nguyen int ice_nvm_validate_checksum(struct ice_hw *hw) 10840e674aebSAnirudh Venkataramanan { 10850e674aebSAnirudh Venkataramanan struct ice_aqc_nvm_checksum *cmd; 10860e674aebSAnirudh Venkataramanan struct ice_aq_desc desc; 10875e24d598STony Nguyen int status; 10880e674aebSAnirudh Venkataramanan 10890e674aebSAnirudh Venkataramanan status = ice_acquire_nvm(hw, ICE_RES_READ); 10900e674aebSAnirudh Venkataramanan if (status) 10910e674aebSAnirudh Venkataramanan return status; 10920e674aebSAnirudh Venkataramanan 10930e674aebSAnirudh Venkataramanan cmd = &desc.params.nvm_checksum; 10940e674aebSAnirudh Venkataramanan 10950e674aebSAnirudh Venkataramanan ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_checksum); 10960e674aebSAnirudh Venkataramanan cmd->flags = ICE_AQC_NVM_CHECKSUM_VERIFY; 10970e674aebSAnirudh Venkataramanan 10980e674aebSAnirudh Venkataramanan status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); 10990e674aebSAnirudh Venkataramanan ice_release_nvm(hw); 11000e674aebSAnirudh Venkataramanan 11010e674aebSAnirudh Venkataramanan if (!status) 11020e674aebSAnirudh Venkataramanan if (le16_to_cpu(cmd->checksum) != ICE_AQC_NVM_CHECKSUM_CORRECT) 1103d54699e2STony Nguyen status = -EIO; 11040e674aebSAnirudh Venkataramanan 11050e674aebSAnirudh Venkataramanan return status; 11060e674aebSAnirudh Venkataramanan } 1107544cd2acSCudzilo, Szymon T 1108544cd2acSCudzilo, Szymon T /** 1109544cd2acSCudzilo, Szymon T * ice_nvm_write_activate 1110544cd2acSCudzilo, Szymon T * @hw: pointer to the HW struct 1111399e27dbSJacob Keller * @cmd_flags: flags for write activate command 1112399e27dbSJacob Keller * @response_flags: response indicators from firmware 1113544cd2acSCudzilo, Szymon T * 1114544cd2acSCudzilo, Szymon T * Update the control word with the required banks' validity bits 1115544cd2acSCudzilo, Szymon T * and dumps the Shadow RAM to flash (0x0707) 1116399e27dbSJacob Keller * 1117*da02ee9cSJacob Keller * cmd_flags controls which banks to activate, the preservation level to use 1118*da02ee9cSJacob Keller * when activating the NVM bank, and whether an EMP reset is required for 1119*da02ee9cSJacob Keller * activation. 1120*da02ee9cSJacob Keller * 1121*da02ee9cSJacob Keller * Note that the 16bit cmd_flags value is split between two separate 1 byte 1122*da02ee9cSJacob Keller * flag values in the descriptor. 1123399e27dbSJacob Keller * 1124399e27dbSJacob Keller * On successful return of the firmware command, the response_flags variable 1125399e27dbSJacob Keller * is updated with the flags reported by firmware indicating certain status, 1126399e27dbSJacob Keller * such as whether EMP reset is enabled. 1127544cd2acSCudzilo, Szymon T */ 1128*da02ee9cSJacob Keller int ice_nvm_write_activate(struct ice_hw *hw, u16 cmd_flags, u8 *response_flags) 1129544cd2acSCudzilo, Szymon T { 1130544cd2acSCudzilo, Szymon T struct ice_aqc_nvm *cmd; 1131544cd2acSCudzilo, Szymon T struct ice_aq_desc desc; 1132399e27dbSJacob Keller int err; 1133544cd2acSCudzilo, Szymon T 1134544cd2acSCudzilo, Szymon T cmd = &desc.params.nvm; 1135544cd2acSCudzilo, Szymon T ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_write_activate); 1136544cd2acSCudzilo, Szymon T 1137*da02ee9cSJacob Keller cmd->cmd_flags = (u8)(cmd_flags & 0xFF); 1138*da02ee9cSJacob Keller cmd->offset_high = (u8)((cmd_flags >> 8) & 0xFF); 1139544cd2acSCudzilo, Szymon T 1140399e27dbSJacob Keller err = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); 1141399e27dbSJacob Keller if (!err && response_flags) 1142399e27dbSJacob Keller *response_flags = cmd->cmd_flags; 1143399e27dbSJacob Keller 1144399e27dbSJacob Keller return err; 1145544cd2acSCudzilo, Szymon T } 1146544cd2acSCudzilo, Szymon T 1147544cd2acSCudzilo, Szymon T /** 1148544cd2acSCudzilo, Szymon T * ice_aq_nvm_update_empr 1149544cd2acSCudzilo, Szymon T * @hw: pointer to the HW struct 1150544cd2acSCudzilo, Szymon T * 1151544cd2acSCudzilo, Szymon T * Update empr (0x0709). This command allows SW to 1152544cd2acSCudzilo, Szymon T * request an EMPR to activate new FW. 1153544cd2acSCudzilo, Szymon T */ 11545e24d598STony Nguyen int ice_aq_nvm_update_empr(struct ice_hw *hw) 1155544cd2acSCudzilo, Szymon T { 1156544cd2acSCudzilo, Szymon T struct ice_aq_desc desc; 1157544cd2acSCudzilo, Szymon T 1158544cd2acSCudzilo, Szymon T ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_update_empr); 1159544cd2acSCudzilo, Szymon T 1160544cd2acSCudzilo, Szymon T return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); 1161544cd2acSCudzilo, Szymon T } 1162544cd2acSCudzilo, Szymon T 1163544cd2acSCudzilo, Szymon T /* ice_nvm_set_pkg_data 1164544cd2acSCudzilo, Szymon T * @hw: pointer to the HW struct 1165544cd2acSCudzilo, Szymon T * @del_pkg_data_flag: If is set then the current pkg_data store by FW 1166544cd2acSCudzilo, Szymon T * is deleted. 1167544cd2acSCudzilo, Szymon T * If bit is set to 1, then buffer should be size 0. 1168544cd2acSCudzilo, Szymon T * @data: pointer to buffer 1169544cd2acSCudzilo, Szymon T * @length: length of the buffer 1170544cd2acSCudzilo, Szymon T * @cd: pointer to command details structure or NULL 1171544cd2acSCudzilo, Szymon T * 1172544cd2acSCudzilo, Szymon T * Set package data (0x070A). This command is equivalent to the reception 1173544cd2acSCudzilo, Szymon T * of a PLDM FW Update GetPackageData cmd. This command should be sent 1174544cd2acSCudzilo, Szymon T * as part of the NVM update as the first cmd in the flow. 1175544cd2acSCudzilo, Szymon T */ 1176544cd2acSCudzilo, Szymon T 11775e24d598STony Nguyen int 1178544cd2acSCudzilo, Szymon T ice_nvm_set_pkg_data(struct ice_hw *hw, bool del_pkg_data_flag, u8 *data, 1179544cd2acSCudzilo, Szymon T u16 length, struct ice_sq_cd *cd) 1180544cd2acSCudzilo, Szymon T { 1181544cd2acSCudzilo, Szymon T struct ice_aqc_nvm_pkg_data *cmd; 1182544cd2acSCudzilo, Szymon T struct ice_aq_desc desc; 1183544cd2acSCudzilo, Szymon T 1184544cd2acSCudzilo, Szymon T if (length != 0 && !data) 1185d54699e2STony Nguyen return -EINVAL; 1186544cd2acSCudzilo, Szymon T 1187544cd2acSCudzilo, Szymon T cmd = &desc.params.pkg_data; 1188544cd2acSCudzilo, Szymon T 1189544cd2acSCudzilo, Szymon T ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_pkg_data); 1190544cd2acSCudzilo, Szymon T desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); 1191544cd2acSCudzilo, Szymon T 1192544cd2acSCudzilo, Szymon T if (del_pkg_data_flag) 1193544cd2acSCudzilo, Szymon T cmd->cmd_flags |= ICE_AQC_NVM_PKG_DELETE; 1194544cd2acSCudzilo, Szymon T 1195544cd2acSCudzilo, Szymon T return ice_aq_send_cmd(hw, &desc, data, length, cd); 1196544cd2acSCudzilo, Szymon T } 1197544cd2acSCudzilo, Szymon T 1198544cd2acSCudzilo, Szymon T /* ice_nvm_pass_component_tbl 1199544cd2acSCudzilo, Szymon T * @hw: pointer to the HW struct 1200544cd2acSCudzilo, Szymon T * @data: pointer to buffer 1201544cd2acSCudzilo, Szymon T * @length: length of the buffer 1202544cd2acSCudzilo, Szymon T * @transfer_flag: parameter for determining stage of the update 1203544cd2acSCudzilo, Szymon T * @comp_response: a pointer to the response from the 0x070B AQC. 1204544cd2acSCudzilo, Szymon T * @comp_response_code: a pointer to the response code from the 0x070B AQC. 1205544cd2acSCudzilo, Szymon T * @cd: pointer to command details structure or NULL 1206544cd2acSCudzilo, Szymon T * 1207544cd2acSCudzilo, Szymon T * Pass component table (0x070B). This command is equivalent to the reception 1208544cd2acSCudzilo, Szymon T * of a PLDM FW Update PassComponentTable cmd. This command should be sent once 1209544cd2acSCudzilo, Szymon T * per component. It can be only sent after Set Package Data cmd and before 1210544cd2acSCudzilo, Szymon T * actual update. FW will assume these commands are going to be sent until 1211544cd2acSCudzilo, Szymon T * the TransferFlag is set to End or StartAndEnd. 1212544cd2acSCudzilo, Szymon T */ 1213544cd2acSCudzilo, Szymon T 12145e24d598STony Nguyen int 1215544cd2acSCudzilo, Szymon T ice_nvm_pass_component_tbl(struct ice_hw *hw, u8 *data, u16 length, 1216544cd2acSCudzilo, Szymon T u8 transfer_flag, u8 *comp_response, 1217544cd2acSCudzilo, Szymon T u8 *comp_response_code, struct ice_sq_cd *cd) 1218544cd2acSCudzilo, Szymon T { 1219544cd2acSCudzilo, Szymon T struct ice_aqc_nvm_pass_comp_tbl *cmd; 1220544cd2acSCudzilo, Szymon T struct ice_aq_desc desc; 12215e24d598STony Nguyen int status; 1222544cd2acSCudzilo, Szymon T 1223544cd2acSCudzilo, Szymon T if (!data || !comp_response || !comp_response_code) 1224d54699e2STony Nguyen return -EINVAL; 1225544cd2acSCudzilo, Szymon T 1226544cd2acSCudzilo, Szymon T cmd = &desc.params.pass_comp_tbl; 1227544cd2acSCudzilo, Szymon T 1228544cd2acSCudzilo, Szymon T ice_fill_dflt_direct_cmd_desc(&desc, 1229544cd2acSCudzilo, Szymon T ice_aqc_opc_nvm_pass_component_tbl); 1230544cd2acSCudzilo, Szymon T desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); 1231544cd2acSCudzilo, Szymon T 1232544cd2acSCudzilo, Szymon T cmd->transfer_flag = transfer_flag; 1233544cd2acSCudzilo, Szymon T status = ice_aq_send_cmd(hw, &desc, data, length, cd); 1234544cd2acSCudzilo, Szymon T 1235544cd2acSCudzilo, Szymon T if (!status) { 1236544cd2acSCudzilo, Szymon T *comp_response = cmd->component_response; 1237544cd2acSCudzilo, Szymon T *comp_response_code = cmd->component_response_code; 1238544cd2acSCudzilo, Szymon T } 1239544cd2acSCudzilo, Szymon T return status; 1240544cd2acSCudzilo, Szymon T } 1241