[PATCH v2 16/16] doc: st: stm32mp1: add STM32MP13x support
Patrice CHOTARD
patrice.chotard at foss.st.com
Mon May 23 08:55:52 CEST 2022
Hi Patrick
On 5/20/22 18:24, Patrick Delaunay wrote:
> Add in U-Boot documentation the quick instruction to
> setup the STMicroelectronics STM32MP13x boards.
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> ---
>
> Changes in v2:
> - fix typo error in commit message and in rst file
>
> doc/board/st/stm32mp1.rst | 183 ++++++++++++++++++++++++++------------
> 1 file changed, 126 insertions(+), 57 deletions(-)
>
> diff --git a/doc/board/st/stm32mp1.rst b/doc/board/st/stm32mp1.rst
> index 0c5d3a90f0..00f9b45442 100644
> --- a/doc/board/st/stm32mp1.rst
> +++ b/doc/board/st/stm32mp1.rst
> @@ -1,41 +1,31 @@
> .. SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
> .. sectionauthor:: Patrick Delaunay <patrick.delaunay at foss.st.com>
>
> -STM32MP15x boards
> +STM32MP1xx boards
> =================
>
> -This is a quick instruction for setup STM32MP15x boards.
> +This is a quick instruction for setup STMicroelectronics STM32MP1xx boards.
>
> -Futher information can be found in STMicrolectronics STM32 WIKI_.
> +Further information can be found in STMicroelectronics STM32 WIKI_.
>
> Supported devices
> -----------------
>
> -U-Boot supports STMP32MP15x SoCs:
> +U-Boot supports all the STMicroelectronics MPU with the associated boards
>
> - - STM32MP157
> - - STM32MP153
> - - STM32MP151
> + - STMP32MP15x SoCs:
>
> -The STM32MP15x is a Cortex-A MPU aimed at various applications.
> + - STM32MP157
> + - STM32MP153
> + - STM32MP151
>
> -It features:
> -
> - - Dual core Cortex-A7 application core (Single on STM32MP151)
> - - 2D/3D image composition with GPU (only on STM32MP157)
> - - Standard memories interface support
> - - Standard connectivity, widely inherited from the STM32 MCU family
> - - Comprehensive security support
> + - STMP32MP13x SoCs:
>
> -Each line comes with a security option (cryptography & secure boot) and
> -a Cortex-A frequency option:
> -
> - - A : Cortex-A7 @ 650 MHz
> - - C : Secure Boot + HW Crypto + Cortex-A7 @ 650 MHz
> - - D : Cortex-A7 @ 800 MHz
> - - F : Secure Boot + HW Crypto + Cortex-A7 @ 800 MHz
> + - STM32MP135
> + - STM32MP133
> + - STM32MP131
>
> -Everything is supported in Linux but U-Boot is limited to:
> +Everything is supported in Linux but U-Boot is limited to the boot device:
>
> 1. UART
> 2. SD card/MMC controller (SDMMC)
> @@ -49,7 +39,35 @@ And the necessary drivers
> 1. I2C
> 2. STPMIC1 (PMIC and regulator)
> 3. Clock, Reset, Sysreset
> - 4. Fuse
> + 4. Fuse (BSEC)
> + 5. OP-TEE
> + 6. ETH
> + 7. USB host
> + 8. WATCHDOG
> + 9. RNG
> + 10. RTC
> +
> +STM32MP15x
> +``````````
> +
> +The STM32MP15x is a Cortex-A7 MPU aimed at various applications.
> +
> +It features:
> +
> + - Dual core Cortex-A7 application core (Single on STM32MP151)
> + - 2D/3D image composition with GPU (only on STM32MP157)
> + - Standard memories interface support
> + - Standard connectivity, widely inherited from the STM32 MCU family
> + - Comprehensive security support
> + - Cortex M4 coprocessor
> +
> +Each line comes with a security option (cryptography & secure boot) and
> +a Cortex-A frequency option:
> +
> + - A : Cortex-A7 @ 650 MHz
> + - C : Secure Boot + HW Crypto + Cortex-A7 @ 650 MHz
> + - D : Cortex-A7 @ 800 MHz
> + - F : Secure Boot + HW Crypto + Cortex-A7 @ 800 MHz
>
> Currently the following boards are supported:
>
> @@ -59,6 +77,16 @@ Currently the following boards are supported:
> + stm32mp157c-ev1.dts
> + stm32mp15xx-dhcor-avenger96.dts
>
> +STM32MP13x
> +``````````
> +
> +The STM32MP13x is a single Cortex-A7 MPU aimed at various applications.
> +
> +Currently the following boards are supported:
> +
> + + stm32mp135f-dk.dts
> +
> +
> Boot Sequences
> --------------
>
> @@ -71,12 +99,22 @@ Boot Sequences
> + +------------------------+-------------------------+--------------+
> | | embedded RAM | DDR |
> +----------+------------------------+-------------------------+--------------+
> +| TrustZone| secure monitor |
> ++----------+------------------------+-------------------------+--------------+
> +
> +The trusted boot chain is recommended with:
> +
> +- FSBL = **TF-A BL2**
> +- Secure monitor = **OP-TEE**
> +- SSBL = **U-Boot**
> +
> +It is the only supported boot chain for STM32MP13x family.
>
> The **Trusted** boot chain with TF-A_
> `````````````````````````````````````
>
> defconfig_file :
> - + **stm32mp15_defconfig** (for TF-A_ with FIP support)
> + + **stm32mp15_defconfig** and **stm32mp13_defconfig** (for TF-A_ with FIP support)
> + **stm32mp15_trusted_defconfig** (for TF-A_ without FIP support)
>
> +-------------+--------------------------+------------+-------+
> @@ -98,8 +136,8 @@ TF-A_ (BL2) initialize the DDR and loads the next stage binaries from a FIP file
> the secure monitor to access to secure resources.
> + HW_CONFIG: The hardware configuration file = the U-Boot device tree
>
> -The **Basic** boot chain with SPL
> -`````````````````````````````````
> +The **Basic** boot chain with SPL (for STM32MP15x)
> +``````````````````````````````````````````````````
>
> defconfig_file :
> + **stm32mp15_basic_defconfig**
> @@ -117,16 +155,19 @@ SPL has limited security initialization.
> U-Boot is running in secure mode and provide a secure monitor to the kernel
> with only PSCI support (Power State Coordination Interface defined by ARM).
>
> -All the STM32MP15x boards supported by U-Boot use the same generic board
> -stm32mp1 which support all the bootable devices.
> +.. warning:: This alternate **basic** boot chain with SPL is not supported/promoted by STMicroelectronics to make product.
> +
> +Device Tree
> +-----------
>
> -Each board is configured only with the associated device tree.
> +All the STM32MP15x and STM32MP13x boards supported by U-Boot use the same generic board
> +stm32mp1 which supports all the bootable devices.
>
> -Device Tree Selection
> ----------------------
> +Each STMicroelectronics board is only configured with the associated device tree.
>
> -You need to select the appropriate device tree for your board,
> -the supported device trees for STM32MP15x are:
> +STM32MP15x device Tree Selection
> +````````````````````````````````
> +The supported device trees for STM32MP15x (stm32mp15_trusted_defconfig and stm32mp15_basic_defconfig) are:
>
> + ev1: eval board with pmic stpmic1 (ev1 = mother board + daughter ed1)
>
> @@ -148,6 +189,15 @@ the supported device trees for STM32MP15x are:
>
> + stm32mp15xx-dhcor-avenger96
>
> +STM32MP13x device Tree Selection
> +````````````````````````````````
> +The supported device trees for STM32MP13x (stm32mp13_defconfig) are:
> +
> ++ dk: Discovery board
> +
> + + stm32mp135f-dk
> +
> +
> Build Procedure
> ---------------
>
> @@ -170,6 +220,7 @@ Build Procedure
>
> for example: use one output directory for each configuration::
>
> + # export KBUILD_OUTPUT=stm32mp13
> # export KBUILD_OUTPUT=stm32mp15
> # export KBUILD_OUTPUT=stm32mp15_trusted
> # export KBUILD_OUTPUT=stm32mp15_basic
> @@ -184,9 +235,10 @@ Build Procedure
>
> with <defconfig_file>:
>
> - - For **trusted** boot mode : **stm32mp15_defconfig** or
> - stm32mp15_trusted_defconfig
> - - For basic boot mode: stm32mp15_basic_defconfig
> + - For **trusted** boot mode :
> + - For STM32MP13x: **stm32mp13_defconfig**
> + - For STM32MP15x: **stm32mp15_defconfig** or stm32mp15_trusted_defconfig
> + - For STM32MP15x basic boot mode: stm32mp15_basic_defconfig
>
> 5. Configure the device-tree and build the U-Boot image::
>
> @@ -194,37 +246,42 @@ Build Procedure
>
> Examples:
>
> - a) trusted boot with FIP on ev1::
> + a) trusted boot with FIP on STM32MP15x ev1::
>
> # export KBUILD_OUTPUT=stm32mp15
> # make stm32mp15_defconfig
> # make DEVICE_TREE=stm32mp157c-ev1 all
>
> - b) trusted boot without FIP on dk2::
> + b) trusted boot on STM32MP13x discovery board::
>
> - # export KBUILD_OUTPUT=stm32mp15_trusted
> - # make stm32mp15_trusted_defconfig
> - # make DEVICE_TREE=stm32mp157c-dk2 all
> + # export KBUILD_OUTPUT=stm32mp13
> + # make stm32mp13_defconfig
> + # make DEVICE_TREE=stm32mp135f-dk all
>
> - c) basic boot on ev1::
> + DEVICE_TEE selection is optional as stm32mp135f-dk is the default board of the defconfig::
> +
> + # make stm32mp13_defconfig
> + # make all
> +
> + c) basic boot on STM32MP15x ev1::
>
> # export KBUILD_OUTPUT=stm32mp15_basic
> # make stm32mp15_basic_defconfig
> # make DEVICE_TREE=stm32mp157c-ev1 all
>
> - d) basic boot on ed1::
> + d) basic boot on STM32MP15x ed1::
>
> # export KBUILD_OUTPUT=stm32mp15_basic
> # make stm32mp15_basic_defconfig
> # make DEVICE_TREE=stm32mp157c-ed1 all
>
> - e) basic boot on dk1::
> + e) basic boot on STM32MP15x dk1::
>
> # export KBUILD_OUTPUT=stm32mp15_basic
> # make stm32mp15_basic_defconfig
> # make DEVICE_TREE=stm32mp157a-dk1 all
>
> - f) basic boot on avenger96::
> + f) basic boot on STM32MP15x avenger96::
>
> # export KBUILD_OUTPUT=stm32mp15_basic
> # make stm32mp15_basic_defconfig
> @@ -235,6 +292,7 @@ Build Procedure
> So in the output directory (selected by KBUILD_OUTPUT),
> you can found the needed U-Boot files:
>
> + - stm32mp13_defconfig = **u-boot-nodtb.bin** and **u-boot.dtb**
> - stm32mp15_defconfig = **u-boot-nodtb.bin** and **u-boot.dtb**
>
> - stm32mp15_trusted_defconfig = u-boot.stm32
> @@ -325,9 +383,9 @@ the boot pin values = BOOT0, BOOT1, BOOT2
> | SPI-NAND | 1 | 1 | 1 |
> +-------------+---------+---------+---------+
>
> -- on the **daugther board ed1 = MB1263** with the switch SW1
> -- on **Avenger96** with switch S3 (NOR and SPI-NAND are not applicable)
> -- on board **DK1/DK2** with the switch SW1 = BOOT0, BOOT2
> +- on the STM32MP15x **daughter board ed1 = MB1263** with the switch SW1
> +- on STM32MP15x **Avenger96** with switch S3 (NOR and SPI-NAND are not applicable)
> +- on board STM32MP15x **DK1/DK2** with the switch SW1 = BOOT0, BOOT2
> with only 2 pins available (BOOT1 is forced to 0 and NOR not supported),
> the possible value becomes:
>
> @@ -355,7 +413,7 @@ The communication between HOST and board is based on
> Prepare an SD card
> ------------------
>
> -The minimal requirements for STMP32MP15x boot up to U-Boot are:
> +The minimal requirements for STMP32MP15x and STM32MP13x boot up to U-Boot are:
>
> - GPT partitioning (with gdisk or with sgdisk)
> - 2 fsbl partitions, named "fsbl1" and "fsbl2", size at least 256KiB
> @@ -511,14 +569,25 @@ MAC Address
> Please read doc/README.enetaddr for the implementation guidelines for mac id
> usage. Basically, environment has precedence over board specific storage.
>
> -For STMicroelectonics board, it is retrieved in STM32MP15x OTP :
> +For STMicroelectronics board, it is retrieved in:
> +
> + - STM32MP15x OTP:
>
> - - OTP_57[31:0] = MAC_ADDR[31:0]
> - - OTP_58[15:0] = MAC_ADDR[47:32]
> + - OTP_57[31:0] = MAC_ADDR[31:0]
> + - OTP_58[15:0] = MAC_ADDR[47:32]
>
> -To program a MAC address on virgin OTP words above, you can use the fuse command
> + - STM32MP13x OTP:
> +
> + - OTP_57[31:0] = MAC_ADDR0[31:0]
> + - OTP_58[15:0] = MAC_ADDR0[47:32]
> + - OTP_58[31:16] = MAC_ADDR1[15:0]
> + - OTP_59[31:0] = MAC_ADDR1[47:16]
> +
> +To program a MAC address on virgin STM32MP15x OTP words above, you can use the fuse command
> on bank 0 to access to internal OTP and lock them:
>
> +In the next example we are using the 2 OTPs used on STM32MP15x.
> +
> Prerequisite: check if a MAC address isn't yet programmed in OTP
>
> 1) check OTP: their value must be equal to 0::
> @@ -571,8 +640,8 @@ Example to set mac address "12:34:56:78:9a:bc"
> OTP are protected. It is already done for the board
> provided by STMicroelectronics.
>
> -Coprocessor firmware
> ---------------------
> +Coprocessor firmware on STM32MP15x
> +----------------------------------
>
> U-Boot can boot the coprocessor before the kernel (coprocessor early boot).
>
> @@ -678,7 +747,7 @@ All the supported device are exported for dfu-util tool::
>
> You can update the boot device:
>
> -- SD card (mmc0) ::
> +- SD card (mmc0)::
>
> $> dfu-util -d 0483:5720 -a 3 -D tf-a-stm32mp157c-ev1.stm32
> $> dfu-util -d 0483:5720 -a 4 -D tf-a-stm32mp157c-ev1.stm32
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
Thanks
Patrice
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