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