xref: /linux/drivers/net/wwan/iosm/iosm_ipc_flash.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0-only
2  *
3  * Copyright (C) 2020-2021 Intel Corporation.
4  */
5 
6 #ifndef _IOSM_IPC_FLASH_H
7 #define _IOSM_IPC_FLASH_H
8 
9 /* Buffer size used to read the fls image */
10 #define IOSM_FLS_BUF_SIZE 0x00100000
11 /* Full erase start address */
12 #define IOSM_ERASE_START_ADDR 0x00000000
13 /* Erase length for NAND flash */
14 #define IOSM_ERASE_LEN 0xFFFFFFFF
15 /* EBL response Header size */
16 #define IOSM_EBL_HEAD_SIZE  8
17 /* EBL payload size */
18 #define IOSM_EBL_W_PAYL_SIZE  2048
19 /* Total EBL pack size */
20 #define IOSM_EBL_W_PACK_SIZE  (IOSM_EBL_HEAD_SIZE + IOSM_EBL_W_PAYL_SIZE)
21 /* EBL payload size */
22 #define IOSM_EBL_DW_PAYL_SIZE  16384
23 /* Total EBL pack size */
24 #define IOSM_EBL_DW_PACK_SIZE  (IOSM_EBL_HEAD_SIZE + IOSM_EBL_DW_PAYL_SIZE)
25 /* EBL name size */
26 #define IOSM_EBL_NAME  32
27 /* Maximum supported error types */
28 #define IOSM_MAX_ERRORS 8
29 /* Read size for RPSI/EBL response */
30 #define IOSM_READ_SIZE 2
31 /* Link establishment response ack size */
32 #define IOSM_LER_ACK_SIZE 2
33 /* PSI ACK len */
34 #define IOSM_PSI_ACK 8
35 /* SWID capability for packed swid type */
36 #define IOSM_EXT_CAP_SWID_OOS_PACK     0x02
37 /* EBL error response buffer */
38 #define IOSM_EBL_RSP_BUFF 0x0041
39 /* SWID string length */
40 #define IOSM_SWID_STR 64
41 /* Load EBL command size */
42 #define IOSM_RPSI_LOAD_SIZE 0
43 /* EBL payload checksum */
44 #define IOSM_EBL_CKSM 0x0000FFFF
45 /* SWID msg len and argument */
46 #define IOSM_MSG_LEN_ARG 0
47 /* Data to be sent to modem */
48 #define IOSM_MDM_SEND_DATA 0x0000
49 /* Data received from modem as part of erase check */
50 #define IOSM_MDM_ERASE_RSP 0x0001
51 /* Bit shift to calculate Checksum */
52 #define IOSM_EBL_PAYL_SHIFT 16
53 /* Flag To be set */
54 #define IOSM_SET_FLAG 1
55 /* Set flash erase check timeout to 100 msec */
56 #define IOSM_FLASH_ERASE_CHECK_TIMEOUT 100
57 /* Set flash erase check interval to 20 msec */
58 #define IOSM_FLASH_ERASE_CHECK_INTERVAL 20
59 /* Link establishment response ack size */
60 #define IOSM_LER_RSP_SIZE 60
61 
62 /**
63  * enum iosm_flash_package_type -	Enum for the flashing operations
64  * @FLASH_SET_PROT_CONF:	Write EBL capabilities
65  * @FLASH_SEC_START:		Start writing the secpack
66  * @FLASH_SEC_END:		Validate secpack end
67  * @FLASH_SET_ADDRESS:		Set the address for flashing
68  * @FLASH_ERASE_START:		Start erase before flashing
69  * @FLASH_ERASE_CHECK:		Validate the erase functionality
70  * @FLASH_OOS_CONTROL:		Retrieve data based on oos actions
71  * @FLASH_OOS_DATA_READ:	Read data from EBL
72  * @FLASH_WRITE_IMAGE_RAW:	Write the raw image to flash
73  */
74 enum iosm_flash_package_type {
75 	FLASH_SET_PROT_CONF = 0x0086,
76 	FLASH_SEC_START = 0x0204,
77 	FLASH_SEC_END,
78 	FLASH_SET_ADDRESS = 0x0802,
79 	FLASH_ERASE_START = 0x0805,
80 	FLASH_ERASE_CHECK,
81 	FLASH_OOS_CONTROL = 0x080C,
82 	FLASH_OOS_DATA_READ = 0x080E,
83 	FLASH_WRITE_IMAGE_RAW,
84 };
85 
86 /**
87  * enum iosm_out_of_session_action -	Actions possible over the
88  *					OutOfSession command interface
89  * @FLASH_OOSC_ACTION_READ:		Read data according to its type
90  * @FLASH_OOSC_ACTION_ERASE:		Erase data according to its type
91  */
92 enum iosm_out_of_session_action {
93 	FLASH_OOSC_ACTION_READ = 2,
94 	FLASH_OOSC_ACTION_ERASE = 3,
95 };
96 
97 /**
98  * enum iosm_out_of_session_type -	Data types that can be handled over the
99  *					Out Of Session command Interface
100  * @FLASH_OOSC_TYPE_ALL_FLASH:		The whole flash area
101  * @FLASH_OOSC_TYPE_SWID_TABLE:		Read the swid table from the target
102  */
103 enum iosm_out_of_session_type {
104 	FLASH_OOSC_TYPE_ALL_FLASH = 8,
105 	FLASH_OOSC_TYPE_SWID_TABLE = 16,
106 };
107 
108 /**
109  * enum iosm_ebl_caps -	EBL capability settings
110  * @IOSM_CAP_NOT_ENHANCED:	If capability not supported
111  * @IOSM_CAP_USE_EXT_CAP:	To be set if extended capability is set
112  * @IOSM_EXT_CAP_ERASE_ALL:	Set Erase all capability
113  * @IOSM_EXT_CAP_COMMIT_ALL:	Set the commit all capability
114  */
115 enum iosm_ebl_caps {
116 	IOSM_CAP_NOT_ENHANCED = 0x00,
117 	IOSM_CAP_USE_EXT_CAP = 0x01,
118 	IOSM_EXT_CAP_ERASE_ALL = 0x08,
119 	IOSM_EXT_CAP_COMMIT_ALL = 0x20,
120 };
121 
122 /**
123  * enum iosm_ebl_rsp -  EBL response field
124  * @EBL_CAPS_FLAG:	EBL capability flag
125  * @EBL_SKIP_ERASE:	EBL skip erase flag
126  * @EBL_SKIP_CRC:	EBL skip wr_pack crc
127  * @EBL_EXT_CAPS_HANDLED:	EBL extended capability handled flag
128  * @EBL_OOS_CONFIG:	EBL oos configuration
129  * @EBL_RSP_SW_INFO_VER: EBL SW info version
130  */
131 enum iosm_ebl_rsp {
132 	EBL_CAPS_FLAG = 50,
133 	EBL_SKIP_ERASE = 54,
134 	EBL_SKIP_CRC = 55,
135 	EBL_EXT_CAPS_HANDLED = 57,
136 	EBL_OOS_CONFIG = 64,
137 	EBL_RSP_SW_INFO_VER = 70,
138 };
139 
140 /**
141  * enum iosm_mdm_send_recv_data - Data to send to modem
142  * @IOSM_MDM_SEND_2:	Send 2 bytes of payload
143  * @IOSM_MDM_SEND_4:	Send 4 bytes of payload
144  * @IOSM_MDM_SEND_8:	Send 8 bytes of payload
145  * @IOSM_MDM_SEND_16:	Send 16 bytes of payload
146  */
147 enum iosm_mdm_send_recv_data {
148 	IOSM_MDM_SEND_2 = 2,
149 	IOSM_MDM_SEND_4 = 4,
150 	IOSM_MDM_SEND_8 = 8,
151 	IOSM_MDM_SEND_16 = 16,
152 };
153 
154 /**
155  * struct iosm_ebl_one_error -	Structure containing error details
156  * @error_class:		Error type- standard, security and text error
157  * @error_code:			Specific error from error type
158  */
159 struct iosm_ebl_one_error {
160 	u16 error_class;
161 	u16 error_code;
162 };
163 
164 /**
165  * struct iosm_ebl_error- Structure with max error type supported
166  * @error:		Array of one_error structure with max errors
167  */
168 struct iosm_ebl_error {
169 	struct iosm_ebl_one_error error[IOSM_MAX_ERRORS];
170 };
171 
172 /**
173  * struct iosm_swid_table - SWID table data for modem
174  * @number_of_data_sets:	Number of swid types
175  * @sw_id_type:			SWID type - SWID
176  * @sw_id_val:			SWID value
177  * @rf_engine_id_type:		RF engine ID type - RF_ENGINE_ID
178  * @rf_engine_id_val:		RF engine ID value
179  */
180 struct iosm_swid_table {
181 	u32 number_of_data_sets;
182 	char sw_id_type[IOSM_EBL_NAME];
183 	u32 sw_id_val;
184 	char rf_engine_id_type[IOSM_EBL_NAME];
185 	u32 rf_engine_id_val;
186 };
187 
188 /**
189  * struct iosm_flash_msg_control - Data sent to modem
190  * @action:	Action to be performed
191  * @type:	Type of action
192  * @length:	Length of the action
193  * @arguments:	Argument value sent to modem
194  */
195 struct iosm_flash_msg_control {
196 	__le32 action;
197 	__le32 type;
198 	__le32 length;
199 	__le32 arguments;
200 };
201 
202 /**
203  * struct iosm_flash_data -  Header Data to be sent to modem
204  * @checksum:	Checksum value calculated for the payload data
205  * @pack_id:	Flash Action type
206  * @msg_length:	Payload length
207  */
208 struct iosm_flash_data {
209 	__le16  checksum;
210 	__le16  pack_id;
211 	__le32  msg_length;
212 };
213 
214 int ipc_flash_boot_psi(struct iosm_devlink *ipc_devlink,
215 		       const struct firmware *fw);
216 
217 int ipc_flash_boot_ebl(struct iosm_devlink *ipc_devlink,
218 		       const struct firmware *fw);
219 
220 int ipc_flash_boot_set_capabilities(struct iosm_devlink *ipc_devlink,
221 				    u8 *mdm_rsp);
222 
223 int ipc_flash_link_establish(struct iosm_imem *ipc_imem);
224 
225 int ipc_flash_read_swid(struct iosm_devlink *ipc_devlink, u8 *mdm_rsp);
226 
227 int ipc_flash_send_fls(struct iosm_devlink *ipc_devlink,
228 		       const struct firmware *fw, u8 *mdm_rsp);
229 #endif
230