Add latest information and correct some information.
Signed-off-by: Patrick Delaunay patrick.delaunay@st.com ---
board/st/stm32mp1/README | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/board/st/stm32mp1/README b/board/st/stm32mp1/README index b0c8325..dc36a21 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 @@ -54,13 +58,13 @@ with FSBL = First Stage Bootloader 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) 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. @@ -111,6 +115,9 @@ the supported device trees for stm32mp157 are: # export KBUILD_OUTPUT=stm32mp15_trusted # 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> @@ -170,6 +177,8 @@ 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 +276,7 @@ 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 ===============