From d53a95ba5e4443a4c512b03ae955c0c0b4b710fa Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Sat, 5 Sep 2020 12:37:49 +0200 Subject: doc: correct kflash settings for Maix One Dock The correct kflash parameter value for the Maix One Dock is "dan". See: https://github.com/sipeed/platform-kendryte210/blob/master/boards/sipeed-maix-one-dock.json#L22 Fixes: 137dc153fda9 ("doc: riscv: Update documentation for Sipeed MAIX boards") Signed-off-by: Heinrich Schuchardt --- doc/board/sipeed/maix.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'doc') diff --git a/doc/board/sipeed/maix.rst b/doc/board/sipeed/maix.rst index efcde9aebf7..0b3a58070cd 100644 --- a/doc/board/sipeed/maix.rst +++ b/doc/board/sipeed/maix.rst @@ -59,7 +59,7 @@ Sipeed MAIX BiT sipeed_maix_bitm_defconfig bit first Sipeed MAIX BiT with Mic sipeed_maix_bitm_defconfig bit_mic first Sipeed MAIXDUINO sipeed_maix_bitm_defconfig maixduino first Sipeed MAIX GO goE second -Sipeed MAIX ONE DOCK goD first +Sipeed MAIX ONE DOCK dan first ======================== ========================== ========== ========== Flashing causes a reboot of the device. Parameter -t specifies that the serial -- cgit v1.3.1 From 08bff30d5d15ddeb1da82d112b8b98d1cac06889 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Sat, 5 Sep 2020 12:46:46 +0200 Subject: doc/sipeed/maix: describe RESET and BOOT button In the boot flow description add the RESET and BOOT button as well as the function of the DTR and RTS lines of the serial interface. Signed-off-by: Heinrich Schuchardt --- doc/board/sipeed/maix.rst | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'doc') diff --git a/doc/board/sipeed/maix.rst b/doc/board/sipeed/maix.rst index 0b3a58070cd..3f791b42fac 100644 --- a/doc/board/sipeed/maix.rst +++ b/doc/board/sipeed/maix.rst @@ -285,11 +285,15 @@ Technical Details Boot Sequence ^^^^^^^^^^^^^ -1. ``RESET`` pin is deasserted. +1. ``RESET`` pin is deasserted. The pin is connected to the ``RESET`` button. It + can also be set to low via either the ``DTR`` or the ``RTS`` line of the + serial interface (depending on the board). 2. Both harts begin executing at ``0x00001000``. 3. Both harts jump to firmware at ``0x88000000``. 4. One hart is chosen as a boot hart. -5. Firmware reads value of pin ``IO_16`` (ISP). +5. Firmware reads the value of pin ``IO_16`` (ISP). This pin is connected to the + ``BOOT`` button. The pin can equally be set to low via either the ``DTR`` or + ``RTS`` line of the serial interface (depending on the board). * If the pin is low, enter ISP mode. This mode allows loading data to ram, writing it to flash, and booting from specific addresses. -- cgit v1.3.1