1menu "DFU support" 2 3config DFU 4 bool 5 imply DFU_OVER_USB if USB_GADGET 6 7config DFU_OVER_USB 8 bool 9 select HASH 10 depends on USB_GADGET 11 12config DFU_OVER_TFTP 13 bool 14 depends on NET 15 16if DFU 17config DFU_WRITE_ALT 18 bool 19 20config DFU_TFTP 21 bool "DFU via TFTP" 22 depends on NETDEVICES 23 select UPDATE_COMMON 24 select DFU_OVER_TFTP 25 help 26 This option allows performing update of DFU-managed medium with data 27 sent via TFTP boot. 28 29 Detailed description of this feature can be found at ./doc/README.dfutftp 30 31config DFU_TIMEOUT 32 bool "Timeout waiting for DFU" 33 help 34 This option adds an optional timeout parameter for DFU which, if set, 35 will cause DFU to only wait for that many seconds before exiting. 36 37config DFU_MMC 38 bool "MMC back end for DFU" 39 depends on MMC 40 help 41 This option enables using DFU to read and write to MMC based storage. 42 43config DFU_MTD 44 bool "MTD back end for DFU" 45 depends on DM_MTD 46 help 47 This option enables using DFU to read and write to on any MTD device. 48 49config DFU_NAND 50 bool "NAND back end for DFU" 51 depends on CMD_MTDPARTS 52 depends on MTD_RAW_NAND 53 help 54 This option enables using DFU to read and write to NAND based 55 storage. 56 57config DFU_NAND_TRIMFFS 58 bool "Skip empty pages when flashing UBI images to NAND" 59 depends on DFU_NAND 60 help 61 When flashing UBI images to NAND, enable the DROP_FFS flag to drop 62 trailing all-0xff pages. 63 64config DFU_RAM 65 bool "RAM back end for DFU" 66 help 67 This option enables using DFU to read and write RAM on the target. 68 69config DFU_SF 70 bool "SPI flash back end for DFU" 71 help 72 This option enables using DFU to read and write to SPI flash based 73 storage. 74 75config DFU_SF_PART 76 bool "MTD partition support for SPI flash back end" 77 depends on DFU_SF && CMD_MTDPARTS 78 default y 79 help 80 This option enables the support of "part" and "partubi" target in 81 SPI flash DFU back end. 82 83config DFU_VIRT 84 bool "VIRTUAL flash back end for DFU" 85 help 86 This option enables using DFU to read and write to VIRTUAL device 87 used at board level to manage specific behavior 88 (OTP update for example). 89 90config SET_DFU_ALT_INFO 91 bool "Dynamic set of DFU alternate information" 92 help 93 This option allows to call the function set_dfu_alt_info to 94 dynamically build dfu_alt_info in board. 95 96config SYS_DFU_DATA_BUF_SIZE 97 hex "Size of buffer to be allocated for transfer to raw storage device" 98 default 0x800000 99 help 100 DFU transfer uses a buffer before writing data to the 101 raw storage device. This value can be used for setting the 102 size of this buffer. The size of the buffer is also configurable 103 through the "dfu_bufsiz" environment variable. If both are 104 given the size of the buffer is set to "dfu_bufsize". 105 106config SYS_DFU_MAX_FILE_SIZE 107 hex "Size of the buffer to be allocated for transferring files" 108 default SYS_DFU_DATA_BUF_SIZE 109 help 110 When updating files rather than the raw storage device, 111 we use a static buffer to copy the file into and then write 112 the buffer once we've been given the whole file. Define 113 this to the maximum filesize (in bytes) for the buffer. 114 If undefined it defaults to the CONFIG_SYS_DFU_DATA_BUF_SIZE. 115 116config DFU_NAME_MAX_SIZE 117 int "Size of the name to be added in dfu entity" 118 default 32 119 depends on DFU 120 help 121 This value is used to maximum size. If name is longer than default size, 122 we need to change the proper maximum size. 123 124endif 125endmenu 126