diff options
Diffstat (limited to 'board/st/stm32mp1/README')
| -rw-r--r-- | board/st/stm32mp1/README | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/board/st/stm32mp1/README b/board/st/stm32mp1/README index b0c8325061..428357cfa0 100644 --- a/board/st/stm32mp1/README +++ b/board/st/stm32mp1/README @@ -25,6 +25,10 @@ It features: Everything is supported in Linux but U-Boot is limited to: 1. UART 2. SDCard/MMC controller (SDMMC) +3. NAND controller (FMC) +4. NOR controller (QSPI) +5. USB controller (OTG DWC2) +6. Ethernet controller And the necessary drivers 1. I2C @@ -47,20 +51,28 @@ BootRom => FSBL in SYSRAM => SSBL in DDR => OS (Linux Kernel) with FSBL = First Stage Bootloader SSBL = Second Stage Bootloader -2 boot configurations are supported: +3 boot configurations are supported: 1) The "Trusted" boot chain (defconfig_file : stm32mp15_trusted_defconfig) BootRom => FSBL = Trusted Firmware-A (TF-A) => SSBL = U-Boot TF-A performs a full initialization of Secure peripherals and installs a secure monitor. U-Boot is running in normal world and uses TF-A monitor - to access to secure resources + to access to secure resources. -2) The "Basic" boot chain (defconfig_file : stm32mp15_basic_defconfig) +2) The "Trusted" boot chain with OP-TEE + (defconfig_file : stm32mp15_optee_defconfig) + BootRom => FSBL = Trusted Firmware-A (TF-A) => SSBL = U-Boot + TF-A performs a full initialization of Secure peripherals and installs OP-TEE + from specific partitions (teeh, teed, teex). + U-Boot is running in normal world and uses OP-TEE monitor to access + to secure resources. + +3) The "Basic" boot chain (defconfig_file : stm32mp15_basic_defconfig) BootRom => FSBL = U-Boot SPL => SSBL = U-Boot SPL has limited security initialisation 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) + with only PSCI support (Power State Coordination Interface defined by ARM). All the STM32MP1 boards supported by U-Boot use the same generic board stm32mp1 which support all the bootable devices. @@ -109,13 +121,18 @@ the supported device trees for stm32mp157 are: for example: use one output directory for each configuration # export KBUILD_OUTPUT=stm32mp15_trusted + # export KBUILD_OUTPUT=stm32mp15_optee # export KBUILD_OUTPUT=stm32mp15_basic + you can build outside of code directory: + # export KBUILD_OUTPUT=../build/stm32mp15_trusted + 4. Configure U-Boot: # make <defconfig_file> - For trusted boot mode : "stm32mp15_trusted_defconfig" + - For trusted with OP-TEE boot mode : "stm32mp15_optee_defconfig" - For basic boot mode: "stm32mp15_basic_defconfig" 5. Configure the device-tree and build the U-Boot image: @@ -129,22 +146,27 @@ the supported device trees for stm32mp157 are: # make stm32mp15_trusted_defconfig # make DEVICE_TREE=stm32mp157c-ev1 all - b) basic boot on ev1 + b) trusted with OP-TEE boot on dk2 + # export KBUILD_OUTPUT=stm32mp15_optee + # make stm32mp15_optee_defconfig + # make DEVICE_TREE=stm32mp157c-dk2 all + + c) basic boot on ev1 # export KBUILD_OUTPUT=stm32mp15_basic # make stm32mp15_basic_defconfig # make DEVICE_TREE=stm32mp157c-ev1 all - c) basic boot on ed1 + d) basic boot on ed1 # export KBUILD_OUTPUT=stm32mp15_basic # make stm32mp15_basic_defconfig # make DEVICE_TREE=stm32mp157c-ed1 all - d) basic boot on dk2 + e) basic boot on dk1 # export KBUILD_OUTPUT=stm32mp15_basic # make stm32mp15_basic_defconfig - # make DEVICE_TREE=stm32mp157c-dk2 all + # make DEVICE_TREE=stm32mp157a-dk1 all - d) basic boot on avenger96 + f) basic boot on avenger96 # export KBUILD_OUTPUT=stm32mp15_basic # make stm32mp15_basic_defconfig # make DEVICE_TREE=stm32mp157a-avenger96 all @@ -157,7 +179,7 @@ the supported device trees for stm32mp157 are: So in the output directory (selected by KBUILD_OUTPUT), you can found the needed files: - a) For Trusted boot + a) For Trusted boot (with or without OP-TEE) + FSBL = tf-a.stm32 (provided by TF-A compilation) + SSBL = u-boot.stm32 @@ -170,6 +192,8 @@ the supported device trees for stm32mp157 are: You can select the boot mode, on the board ed1 with the switch SW1 +- on the daugther board ed1 with the switch SW1 : BOOT0, BOOT1, BOOT2 + ----------------------------------- Boot Mode BOOT2 BOOT1 BOOT0 ----------------------------------- @@ -267,7 +291,7 @@ for example: with gpt table with 128 entries # dd if=tf-a.stm32 of=/dev/mmcblk0p2 # dd if=u-boot.stm32 of=/dev/mmcblk0p3 -To boot from SDCard, select BootPinMode = 1 1 1 and reset. +To boot from SDCard, select BootPinMode = 1 0 1 and reset. 8. Prepare eMMC =============== |