From 468f0508b58b02943942c47b66645a05244f2bbf Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Wed, 18 Mar 2020 09:25:00 +0100 Subject: stm32mp: stm32prog: add serial link support Add a support of UART, using the same protocol than MCU STM32. See "AN5275: USB DFU/USART protocols used in STM32MP1 Series bootloaders" for details. Signed-off-by: Patrick Delaunay Reviewed-by: Patrice Chotard --- arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h') diff --git a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h index 83b27980f5d..c4fdb5b8c38 100644 --- a/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h +++ b/arch/arm/mach-stm32mp/cmd_stm32prog/stm32prog.h @@ -31,6 +31,7 @@ enum stm32prog_target { }; enum stm32prog_link_t { + LINK_SERIAL, LINK_USB, LINK_UNDEFINED, }; @@ -127,6 +128,14 @@ struct stm32prog_data { /* STM32 header information */ struct raw_header_s *header_data; struct image_header_s header; + + /* SERIAL information */ + u32 cursor; + u32 packet_number; + u32 checksum; + u8 *buffer; /* size = USART_RAM_BUFFER_SIZE*/ + int dfu_seq; + u8 read_phase; }; extern struct stm32prog_data *stm32prog_data; @@ -163,6 +172,8 @@ char *stm32prog_get_error(struct stm32prog_data *data); /* Main function */ int stm32prog_init(struct stm32prog_data *data, ulong addr, ulong size); +int stm32prog_serial_init(struct stm32prog_data *data, int link_dev); +bool stm32prog_serial_loop(struct stm32prog_data *data); bool stm32prog_usb_loop(struct stm32prog_data *data, int dev); void stm32prog_clean(struct stm32prog_data *data); -- cgit v1.2.3