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* ARM: stm32mp: add board support for STM32MP135F-DKAhmad Fatoum2022-03-081-0/+1
| | | | | | | | | | | | | | We already have the needed drivers in place to support the upcoming STM32MP131. Linux already has a basic DT for the DK board. Add a barebox board that leverages it. To try it out modify the existing FIP with: fiptool update --nt-fw build/images/barebox-stm32mp-generic-bl33.img \ --hw-config build/arch/arm/dts/stm32mp135f-dk.dtb \ mmcblk0p3 Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20220221103625.3728055-2-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: stm32mp: build extra barebox-stm32mp-generic-bl33.imgAhmad Fatoum2022-02-231-7/+44
| | | | | | | | | | | | | barebox-dt-2nd.img expects being loaded at an offset, so the stack can grow down from entry point. The STM32MP TF-A default is to not have an offset. Avoid this issue by having a stm32mp specific entry point that sets up a 64 byte stack after end of barebox. As it's stm32mp-specific anyway, we can skip the early FDT parsing and ask the SDRAM controller about RAM size. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20220220124736.3052502-8-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: stm32mp: change stm32image extension to .stm32Ahmad Fatoum2022-02-231-12/+17
| | | | | | | | | | | | | | The .img extension for stm32mp1 images is unfortunate. The format is deprecated and its header makes it not directly executable and thus not suitable as-is for use in a FIP image where the BL33 is run from offset 0. To make existence of the STM32 header evident, rename the extension from .img to .stm32. As it's still supported by TF-A, have symlinks, so user build script can use the old names for now. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Link: https://lore.barebox.org/20220220124736.3052502-5-a.fatoum@pengutronix.de Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: stm32mp: add support for STM32MP157-EV1 boardAhmad Fatoum2021-03-171-2/+33
| | | | | | | | | | | | The STM32MP157A-EV1 and STM32MP157C-EV1 Evaluation boards are the full-feature demonstration and development platforms for STMicroelectronics Arm®-based dual Cortex®-A7 32 bits and Cortex®-M4 32 bits MPUs in the STM32MP1 Series. Add support for running barebox as SSBL on either of them. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: stm32mp: search engine optimizationAhmad Fatoum2020-10-211-1/+1
| | | | | | | | The vendor calls it STM32MP1. Have this name appear in the documentation as well to be easier found during web search. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: stm32mp: dk2: rename to dkx to make dk1 support clearerAhmad Fatoum2020-10-071-1/+1
| | | | | | | | | | As we now support both the stm32mp157a-dk1 and stm32mp157c-dk2 with the same barebox image, we should call the board stm32mp15xx-dkx instead. That's also how the upstream DTSI is named. Suggested-by: Holger Assmann <has@pengutronix.de> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: stm32mp: document eMMC boot configurationAhmad Fatoum2020-09-141-1/+12
| | | | | | | | | | In order to boot from eMMC on the STM32MP15x, the boot_ack bit in the ext_csd register must be set. Document this and while at it, fix a misformatted code block in the same section. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Bastian Krause <bst@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: stm32mp: add support for Seeed Odyssey boardAhmad Fatoum2020-08-031-0/+1
| | | | | | | | | | | | | | | | | | Board consists of SoM with stm32mp157c with 4G eMMC and 512M DDR3 RAM. Carrier board features USB and ETH interfaces and SD card connector. USB and ETH interfaces not yet operational. Boot from eMMC requires boot ack bit set. Device Tree taken from v5 of kernel device tree off mailing list[1]. [1]: https://lore.kernel.org/linux-arm-kernel/20200724145107.35772-3-marcin.sloniewski@gmail.com/ Tested-by: Jookia <contact@jookia.org> Tested-by: Xogium <contact@xogium.me> Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: stm32mp: expand stm32mp_defconfig for new drivers and boardAhmad Fatoum2020-04-281-0/+1
| | | | | | | | | | | While some support is still missing (USB, LCD), we already have some prerequisites in place like USB PHY and PWM (for backlight). We also have gained one new board and some other new drivers since the last time the defconfig was touched, so enable them all, as well as some possibly useful commands. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: stm32mp: document eMMC partition layoutAhmad Fatoum2020-03-021-2/+17
| | | | | | | | | For eMMC, the boot partitions are used for FSBL instead of having these two partitions in the user area, like with SD-Cards. Document this. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: stm32mp: document boot error LEDAhmad Fatoum2019-11-131-0/+10
| | | | | | | | The STM32MP Evaluation Kits place a LED on PA13 to display boot status. Document its blinking patterns. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: stm32mp: document boot mode strap pinsAhmad Fatoum2019-11-061-0/+19
| | | | | | | | The evaluation kits have 2P DIP-Switches for boot mode selection. Document them. Signed-off-by: Ahmad Fatoum <ahmad@a3f.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: stm32mp: remove done TODOsAhmad Fatoum2019-11-061-11/+0
| | | | | | | | With SD/MMC controller and Ethernet MAC support merged, we now have usable STM32MP support. Remove the text that suggested otherwise. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: stm32mp: document environment partitionAhmad Fatoum2019-10-151-0/+4
| | | | | | | | | We have barebox get its environment out of a "barebox-environment" partition. The BootROM and first stage bootloader both select partitions on name not UUID, so we're following suit. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: boards: add initial STM32MP documentationAhmad Fatoum2019-08-051-0/+71
Support for the SoC is still in progress, but lets document what we have now. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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