Merge branch 'feature/speedup_uart_at_romcode' into 'master'

Add arguments for users to "close" main part of rom UART0 print

See merge request sdk/ESP8266_RTOS_SDK!803

components/esp8266/Kconfig

@@ -143,6 +143,12 @@ config UART0_SWAP_IO
     help
         Enable this option, UART0's I/O pins are swaped: TXD <-> RTS, RTX <-> CTS.
 
+config DISABLE_ROM_UART_PRINT
+    bool "Disable ROM UART print"
+    default n
+    help
+        "Disable main part of ROM UART print when rom bootloader process."
+
 config MAIN_TASK_STACK_SIZE
     int "Main task stack size"
     default 3584

components/esptool_py/Makefile.projbuild

@@ -48,6 +48,10 @@ else
 ESPTOOL_ELF2IMAGE_OPTIONS :=
 endif
 
+ifdef CONFIG_DISABLE_ROM_UART_PRINT
+ESPTOOL_ELF2IMAGE_OPTIONS := $(ESPTOOL_FLASH_OPTIONS) --rom_print 0
+endif
+
 ESPTOOLPY_WRITE_FLASH=$(ESPTOOLPY_SERIAL) write_flash $(if $(CONFIG_ESPTOOLPY_COMPRESSED),-z,-u) $(ESPTOOL_WRITE_FLASH_OPTIONS)
 
 ESPTOOL_ALL_FLASH_ARGS += $(APP_OFFSET) $(APP_BIN)

components/esptool_py/esptool/esptool.py

@@ -1358,6 +1358,11 @@ class ESP8266ROMFirmwareImage(BaseFirmwareImage):
         """ Derive a default output name from the ELF name. """
         return input_file + '-'
 
+    def close_rom_print(self):
+        """ Configurate UART0 baudrate to be max value to \"close\" ROM UART print. """
+        segment = ImageSegment(0x60000014, '\x00' * 8)
+        self.segments.insert(0, segment)
+
     def save(self, basename):
         """ Save a set of V1 images for flashing. Parameter is a base filename. """
         # IROM data goes in its own plain binary file
@@ -2353,6 +2358,9 @@ def elf2image(args):
     image.flash_size_freq = image.ROM_LOADER.FLASH_SIZES[args.flash_size]
     image.flash_size_freq += {'40m':0, '26m':1, '20m':2, '80m': 0xf}[args.flash_freq]
 
+    if args.version == '1' and args.rom_print == 0:
+        image.close_rom_print()
+
     if args.output is None:
         args.output = image.default_output_name(args.input)
     image.save(args.output)
@@ -2612,6 +2620,7 @@ def main():
     parser_elf2image.add_argument('input', help='Input ELF file')
     parser_elf2image.add_argument('--output', '-o', help='Output filename prefix (for version 1 image), or filename (for version 2 single image)', type=str)
     parser_elf2image.add_argument('--version', '-e', help='Output image version', choices=['1','2','3'], default='1')
+    parser_elf2image.add_argument('--rom_print', type=arg_auto_int, help='Configurate UART0 baudrate to be max value to \"close\" ROM UART print', choices=[0, 1], default=1)
 
     add_spi_flash_subparsers(parser_elf2image, is_elf2image=True)