From 2d50d68a4ca1cce82899c9f0cfca17edf34bb254 Mon Sep 17 00:00:00 2001 From: Lukasz Majewski Date: Mon, 24 Aug 2015 00:21:45 +0200 Subject: dfu: tftp: update: Provide tftp support for the DFU subsystem This commit adds initial support for using tftp for downloading and upgrading firmware on the device. Signed-off-by: Lukasz Majewski Acked-by: Joe Hershberger --- include/dfu.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'include/dfu.h') diff --git a/include/dfu.h b/include/dfu.h index 7d31abdf33..2153d0096d 100644 --- a/include/dfu.h +++ b/include/dfu.h @@ -207,5 +207,31 @@ static inline int dfu_fill_entity_sf(struct dfu_entity *dfu, char *devstr, } #endif +/** + * dfu_tftp_write - Write TFTP data to DFU medium + * + * This function is storing data received via TFTP on DFU supported medium. + * + * @param dfu_entity_name - name of DFU entity to write + * @param addr - address of data buffer to write + * @param len - number of bytes + * @param interface - destination DFU medium (e.g. "mmc") + * @param devstring - instance number of destination DFU medium (e.g. "1") + * + * @return 0 on success, otherwise error code + */ +#ifdef CONFIG_DFU_TFTP +int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, unsigned int len, + char *interface, char *devstring); +#else +static inline int dfu_tftp_write(char *dfu_entity_name, unsigned int addr, + unsigned int len, char *interface, + char *devstring) +{ + puts("TFTP write support for DFU not available!\n"); + return -ENOSYS; +} +#endif + int dfu_add(struct usb_configuration *c); #endif /* __DFU_ENTITY_H_ */ -- cgit v1.2.1 From 2092e4610485618ec7a676ff8e6d297ea9dca3d5 Mon Sep 17 00:00:00 2001 From: Lukasz Majewski Date: Mon, 24 Aug 2015 00:21:46 +0200 Subject: dfu: tftp: update: Add dfu_write_from_mem_addr() function This function allows writing via DFU data stored from fixed buffer address (like e.g. loadaddr env variable). Such predefined buffers are used in the update_tftp() code. In fact this function is a wrapper on the dfu_write() and dfu_flush(). Signed-off-by: Lukasz Majewski Acked-by: Joe Hershberger --- include/dfu.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'include/dfu.h') diff --git a/include/dfu.h b/include/dfu.h index 2153d0096d..6118dc27b9 100644 --- a/include/dfu.h +++ b/include/dfu.h @@ -162,6 +162,21 @@ bool dfu_usb_get_reset(void); int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num); int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num); int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num); + +/** + * dfu_write_from_mem_addr - write data from memory to DFU managed medium + * + * This function adds support for writing data starting from fixed memory + * address (like $loadaddr) to dfu managed medium (e.g. NAND, MMC, file system) + * + * @param dfu - dfu entity to which we want to store data + * @param buf - fixed memory addres from where data starts + * @param size - number of bytes to write + * + * @return - 0 on success, other value on failure + */ +int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size); + /* Device specific */ #ifdef CONFIG_DFU_MMC extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s); -- cgit v1.2.1