1 // SPDX-License-Identifier: GPL-2.0+
21 #error "U-Boot image with environment too big (overlapping with factory-data)!"
25 #define FACTORY_DATA_CRC_LEN	(FACTORY_DATA_SIZE -			\
26 				 FACTORY_DATA_USER_OFFS - sizeof(u32))
35 	u8 pad_3[FACTORY_DATA_USER_OFFS - 4 - 6 - 30 - 6];
66 	/* Convert non-ascii character to 'X' */  in prepare_uuid_var()
95 		printf("F-Data:Unable to allocate buffer\n");  in factory_data_env_config()
100 	 * Get values from factory-data area in SPI NOR  in factory_data_env_config()
107 		printf("F-Data:Unable to access SPI NOR flash\n");  in factory_data_env_config()
114 		printf("F-Data:Unable to read factory-data from SPI NOR\n");  in factory_data_env_config()
120 	if (fd->magic != FACTORY_DATA_MAGIC)  in factory_data_env_config()
121 		printf("F-Data:Magic value not correct\n");  in factory_data_env_config()
123 	crc = crc32(0, (u8 *)&fd->magic, FACTORY_DATA_CRC_LEN);  in factory_data_env_config()
124 	if (crc != fd->crc)  in factory_data_env_config()
125 		printf("F-Data:CRC not correct\n");  in factory_data_env_config()
127 		printf("F-Data:factory-data version %x detected\n",  in factory_data_env_config()
128 		       fd->version);  in factory_data_env_config()
131 	ptr = fd->wifi_mac;  in factory_data_env_config()
134 		printf("F-Data:Invalid MAC addr: wifi_mac %s\n", str);  in factory_data_env_config()
143 	ptr = fd->eth_mac;  in factory_data_env_config()
146 		printf("F-Data:Invalid MAC addr: eth_mac %s\n", str);  in factory_data_env_config()
155 	env_updated |= prepare_uuid_var(fd->ipr_id, "linuxmoduleid", 'X');  in factory_data_env_config()
156 	env_updated |= prepare_uuid_var(fd->hqv_id, "linuxmodulehqvid", '\0');  in factory_data_env_config()
157 	env_updated |= prepare_uuid_var(fd->unielec_id,  in factory_data_env_config()
162 		printf("F-Data:Values don't match env values -> saving\n");  in factory_data_env_config()
165 		debug("F-Data:Values match current env values\n");  in factory_data_env_config()
201  * Helper function to provide some sane factory-data values for testing
202  * purpose, when these values are not programmed correctly
213 		printf("F-Data:Unable to allocate buffer\n");  in do_fd_write()
222 		printf("F-Data:Unable to access SPI NOR flash\n");  in do_fd_write()
226 	/* Generate the factory-data struct */  in do_fd_write()
232 		printf("F-Data:spi_flash_read failed (%d)\n", ret);  in do_fd_write()
237 	fd->magic = FACTORY_DATA_MAGIC;  in do_fd_write()
238 	fd->version = 0x1;  in do_fd_write()
241 	if (!eth_env_get_enetaddr("wifiaddr", fd->wifi_mac)) {  in do_fd_write()
242 		net_random_ethaddr(fd->wifi_mac);  in do_fd_write()
247 	if (!eth_env_get_enetaddr("ethaddr", fd->eth_mac))  in do_fd_write()
248 		net_random_ethaddr(fd->eth_mac);  in do_fd_write()
250 	copy_or_generate_uuid(fd->ipr_id, "linuxmoduleid");  in do_fd_write()
251 	copy_or_generate_uuid(fd->hqv_id, "linuxmodulehqvid");  in do_fd_write()
252 	copy_or_generate_uuid(fd->unielec_id, "linuxmoduleunielecid");  in do_fd_write()
254 	printf("New factory-data values:\n");  in do_fd_write()
255 	printf("wifiaddr=%pM\n", fd->wifi_mac);  in do_fd_write()
256 	printf("ethaddr=%pM\n", fd->eth_mac);  in do_fd_write()
262 	printf("linuxmoduleid=%." __stringify(UUID_STR_LEN) "s\n", fd->ipr_id);  in do_fd_write()
264 	       fd->hqv_id);  in do_fd_write()
266 	       fd->unielec_id);  in do_fd_write()
268 	fd->crc = crc32(0, (u8 *)&fd->magic, FACTORY_DATA_CRC_LEN);  in do_fd_write()
272 		printf("F-Data:spi_flash_erase failed (%d)\n", ret);  in do_fd_write()
279 		printf("F-Data:spi_flash_write failed (%d)\n", ret);  in do_fd_write()
283 	printf("F-Data:factory-data values written to SPI NOR flash\n");  in do_fd_write()
296 	"Write test factory-data values to SPI NOR",