diff --git a/Makefile b/Makefile index a7dce06..2801ba2 100644 --- a/Makefile +++ b/Makefile @@ -1006,6 +1006,12 @@ u-boot-nand.gph: u-boot.bin FORCE $(call if_changed,mkimage) @dd if=/dev/zero bs=8 count=1 2>/dev/null >> $@ +u-boot.uart.pad: + @dd if=/dev/zero bs=4 count=1024 2>/dev/null > $@ + +u-boot.uart: u-boot.uart.pad u-boot.bin FORCE + $(call if_changed,cat) + # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in # the middle. diff --git a/board/ti/ks2_evm/README b/board/ti/ks2_evm/README index 9ee90a4..7e2e096 100644 --- a/board/ti/ks2_evm/README +++ b/board/ti/ks2_evm/README @@ -81,6 +81,21 @@ To build u-boot-nand.gph >make k2hk_evm_defconfig >make u-boot-nand.gph +To build u-boot.uart + >make k2hk_evm_defconfig + >make u-boot.uart + +Load and Run U-Boot on keystone EVMs using UART download +======================================================== + +Open BMC and regular UART terminals. + +1. On the regular UART port start xmodem transfer of the u-boot.uart +2. Using BMC terminal set the ARM-UART bootmode and reboot the EVM + BMC> bootmode #4 + MBC> reboot +3. When xmodem is complete you should see the u-boot starts on the UART port + Load and Run U-Boot on keystone EVMs using CCS =========================================