[U-Boot] [PATCH 11/16] stm32mp1: udpate README
Patrick Delaunay
patrick.delaunay at st.com
Fri Jun 21 13:21:49 UTC 2019
Add latest information and correct some information.
Signed-off-by: Patrick Delaunay <patrick.delaunay at 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
===============
--
2.7.4
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