Two sibling headings (here eMMC) cannot have the same title.

Warning, treated as error: doc/board/microchip/mpfs_icicle.rst:423:duplicate label board/microchip/mpfs_icicle:emmc, other instance in doc/board/microchip/mpfs_icicle.rst make[1]: *** [doc/Makefile:69: htmldocs] Error 2

* Correct the heading levels. * Add missing empty lines after headings.

Fixes: 9e550e18305f ("doc: board: Add Microchip MPFS Icicle Kit doc") Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- doc/board/microchip/mpfs_icicle.rst | 51 +++++++++++++++++++---------- 1 file changed, 33 insertions(+), 18 deletions(-)

diff --git a/doc/board/microchip/mpfs_icicle.rst b/doc/board/microchip/mpfs_icicle.rst index 7489761501..c71c2f3cab 100644 --- a/doc/board/microchip/mpfs_icicle.rst +++ b/doc/board/microchip/mpfs_icicle.rst @@ -5,6 +5,7 @@ Microchip PolarFire SoC Icicle Kit

RISC-V PolarFire SoC -------------------- + The PolarFire SoC is the 4+1 64-bit RISC-V SoC from Microchip.

The Icicle Kit development platform is based on PolarFire SoC and capable @@ -12,6 +13,7 @@ of running Linux.

Mainline support ---------------- + The support for following drivers are already enabled:

1. NS16550 UART Driver. @@ -23,7 +25,7 @@ Booting from eMMC using HSS ---------------------------

Building U-Boot ---------------- +~~~~~~~~~~~~~~~

1. Add the RISC-V toolchain to your PATH. 2. Setup ARCH & cross compilation environment variable: @@ -36,7 +38,7 @@ Building U-Boot 4. make

Flashing --------- +~~~~~~~~

The current U-Boot port is supported in S-mode only and loaded from DRAM.

@@ -48,11 +50,13 @@ boot-flow) and OpenSBI generic platform fw_payload.bin (with u-boot.bin embedded as HSS payload (Custom boot-flow)

Microchip boot-flow -------------------- +~~~~~~~~~~~~~~~~~~~ + HSS with OpenSBI (M-Mode) -> U-Boot (S-Mode) -> Linux (S-Mode)

Build the HSS (Hart Software Services) - Microchip boot-flow ------------------------------------------------------------- +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + (Note: HSS git repo is at https://github.com/polarfire-soc/hart-software-services)

1. Configure @@ -74,13 +78,15 @@ Alternatively, copy the default config for Microchip boot-flow. The FPGA design will use the hss.hex or hss.bin.

FPGA design with HSS programming file -------------------------------------- +''''''''''''''''''''''''''''''''''''' + https://github.com/polarfire-soc/polarfire-soc-documentation/blob/master/boa...

The HSS firmware runs from the PolarFire SoC eNVM on reset.

Creating the HSS payload - Microchip boot-flow ----------------------------------------------- +'''''''''''''''''''''''''''''''''''''''''''''' + 1. You will be creating a payload from `u-boot-dtb.bin`. Copy this file to the HSS/tools/hss-payload-generator/test directory. 2. Go to hss-payload-generator source directory. @@ -108,11 +114,12 @@ Please refer to HSS documenation to build the HSS firmware for payload. (Note: HSS git repo is at https://github.com/polarfire-soc/hart-software-services/blob/master/tools/hs...)

Custom boot-flow ----------------- +~~~~~~~~~~~~~~~~ + HSS without OpenSBI (M-Mode) -> OpenSBI (M-Mode) -> U-Boot (S-Mode) -> Linux (S-Mode)

Build OpenSBI -------------- +'''''''''''''

1. Get the OpenSBI source

@@ -132,7 +139,8 @@ Build OpenSBI "<opensbi-directory>/build/platform/generic/firmware/fw_payload.bin"

Build the HSS (Hart Software Services)- Custom boot-flow --------------------------------------------------------- +'''''''''''''''''''''''''''''''''''''''''''''''''''''''' + (Note: HSS git repo is at https://github.com/polarfire-soc/hart-software-services)

1. Configure @@ -154,7 +162,8 @@ Alternatively, copy the default custom config for Custom boot-flow. The FPGA design will use the hss.hex or hss.bin.

Creating the HSS payload - Custom boot-flow -------------------------------------------- +''''''''''''''''''''''''''''''''''''''''''' + 1. You will be creating a payload from `fw_payload.bin`. Copy this file to the HSS/tools/hss-payload-generator/test directory. 2. Go to hss-payload-generator source directory. @@ -183,7 +192,8 @@ Please refer to HSS documenation to build the HSS firmware for payload. and also refer the HSS payload generator at https://github.com/polarfire-soc/polarfire-soc-documentation/blob/master/sof...)

eMMC ----- +~~~~ + Program eMMC with payload binary is explained in the PolarFire SoC documentation. (Note: PolarFire SoC Documentation git repo is at https://github.com/polarfire-soc/polarfire-soc-documentation/blob/master/boa...)

@@ -195,17 +205,19 @@ line interface, then type 'boot' and enter to boot the newly copied image. sudo dd if=<payload_binary> of=/dev/sdX bs=512

GUID type ---------- +~~~~~~~~~ + The HSS always picks up HSS payload from a GPT partition with GIUD type "21686148-6449-6E6F-744E-656564454649" or sector '0' of the eMMC if no GPT partition.

Booting -------- +~~~~~~~ + You should see the U-Boot prompt on UART0.

Sample boot log from MPFS Icicle Kit ------------------------------------- +''''''''''''''''''''''''''''''''''''

.. code-block:: none

@@ -414,13 +426,15 @@ Booting U-Boot and Linux from eMMC ----------------------------------

FPGA design with HSS programming file and Linux Image ------------------------------------------------------ +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + https://github.com/polarfire-soc/polarfire-soc-documentation/blob/master/boa...

The HSS firmware runs from the PolarFire SoC eNVM on reset.

eMMC ----- +~~~~ + Program eMMC with payload binary and Linux image is explained in the PolarFire SoC documentation. The payload binary should be copied to partition 2 of the eMMC. @@ -440,13 +454,14 @@ copied payload and Linux image. You should see the U-Boot prompt on UART0.

GUID type ---------- +~~~~~~~~~ + The HSS always picks up the HSS payload from a GPT partition with GIUD type "21686148-6449-6E6F-744E-656564454649" or sector '0' of the eMMC if no GPT partition.

Sample boot log from MPFS Icicle Kit ------------------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. code-block:: none

-- 2.29.2