Update various files in zii-imx8mq-dev:
- Add bootstrap.sh to match other boards
- Cosmetic update to openocd.cfg to match the style of other ZII
boards
- Update readme.rst to reflecte the chagnes
Signed-off-by: Andrey Smirnov <[email protected]>
---
.../boards/imx/zii-imx8mq-dev/bootstrap.sh | 6 ++
.../boards/imx/zii-imx8mq-dev/openocd.cfg | 99 ++++++++++---------
.../boards/imx/zii-imx8mq-dev/readme.rst | 4 +-
3 files changed, 59 insertions(+), 50 deletions(-)
create mode 100755 Documentation/boards/imx/zii-imx8mq-dev/bootstrap.sh
diff --git a/Documentation/boards/imx/zii-imx8mq-dev/bootstrap.sh
b/Documentation/boards/imx/zii-imx8mq-dev/bootstrap.sh
new file mode 100755
index 000000000..7342e890e
--- /dev/null
+++ b/Documentation/boards/imx/zii-imx8mq-dev/bootstrap.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+OPENOCD=${OPENOCD:-openocd}
+DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+
+${OPENOCD} -f ${DIR}/openocd.cfg --command "adapter_khz 10000; init; reset
init; start_barebox"
diff --git a/Documentation/boards/imx/zii-imx8mq-dev/openocd.cfg
b/Documentation/boards/imx/zii-imx8mq-dev/openocd.cfg
index 31f94227e..cc0bec6b7 100644
--- a/Documentation/boards/imx/zii-imx8mq-dev/openocd.cfg
+++ b/Documentation/boards/imx/zii-imx8mq-dev/openocd.cfg
@@ -1,3 +1,7 @@
+#
+# Board configuration file for the Zodiac RDU3 boards
+#
+
interface ftdi
ftdi_vid_pid 0x0403 0x6011
@@ -5,13 +9,11 @@ ftdi_layout_init 0x0038 0x003b
ftdi_layout_signal nSRST -data 0x0010
ftdi_layout_signal LED -data 0x0020
-# Board has a standard ARM-20 JTAG connector with
-# nSRST available.
-reset_config srst_only srst_push_pull connect_deassert_srst
-
# select JTAG
transport select jtag
+reset_config srst_only srst_push_pull connect_deassert_srst
+
# set a slow default JTAG clock, can be overridden later
adapter_khz 1000
@@ -27,60 +29,61 @@ source [find target/imx8m.cfg]
source [find mem_helper.tcl]
proc ddr_init { } {
- #
- # We use the same start address as is configured in our i.MX boot
- # header (address originally taken from U-Boot).
- #
- set IMX8MQ_TCM_BASE_ADDR 0x007e1000
- set IMX8MQ_TCM_MAX_SIZE 0x3f000
- #
- # Header word at offset 0x28 is not used on AArch64 and is just
- # filled with placeholder value 0xffff_ffff, see
- # arch/arm/include/asm/barebox-arm-head.h for more details
- #
- set RDU3_TCM_MAIC_LOCATION [expr $IMX8MQ_TCM_BASE_ADDR + 0x28]
- set RDU3_TCM_MAGIC_REQUEST 0xdeadbeef
- set RDU3_TCM_MAGIC_REPLY 0xbaadf00d
-
- echo "==== Uploading DDR helper ===="
-
- halt
- load_image images/start_zii_imx8mq_dev.pblb \
- $IMX8MQ_TCM_BASE_ADDR \
+ echo "Bootstrap: Initializing DDR"
+ #
+ # We use the same start address as is configured in our i.MX boot
+ # header (address originally taken from U-Boot).
+ #
+ set IMX8MQ_TCM_BASE_ADDR 0x007e1000
+ set IMX8MQ_TCM_MAX_SIZE 0x3f000
+ #
+ # Header word at offset 0x28 is not used on AArch64 and is just
+ # filled with placeholder value 0xffff_ffff, see
+ # arch/arm/include/asm/barebox-arm-head.h for more details
+ #
+ set RDU3_TCM_MAIC_LOCATION [expr $IMX8MQ_TCM_BASE_ADDR + 0x28]
+ set RDU3_TCM_MAGIC_REQUEST 0xdeadbeef
+ set RDU3_TCM_MAGIC_REPLY 0xbaadf00d
+
+ echo "Bootstrap: Uploading DDR helper"
+
+ halt
+ load_image images/start_zii_imx8mq_dev.pblb \
+ $IMX8MQ_TCM_BASE_ADDR \
bin \
$IMX8MQ_TCM_BASE_ADDR \
$IMX8MQ_TCM_MAX_SIZE
- echo "==== Running DDR helper ===="
+ echo "Bootstrap: Running DDR helper"
- mww phys $RDU3_TCM_MAIC_LOCATION $RDU3_TCM_MAGIC_REQUEST
- resume $IMX8MQ_TCM_BASE_ADDR
+ mww phys $RDU3_TCM_MAIC_LOCATION $RDU3_TCM_MAGIC_REQUEST
+ resume $IMX8MQ_TCM_BASE_ADDR
- echo "==== Waiting for DDR helper to finish ===="
+ echo "Bootstrap: Waiting for DDR helper to finish"
- if {[catch {wait_halt} errmsg] ||
- [mrw $RDU3_TCM_MAIC_LOCATION] != $RDU3_TCM_MAGIC_REPLY} {
- echo "==== DDR initialization FAILED ===="
- } else {
- echo "==== DDR is ready ===="
- }
+ if {[catch {wait_halt} errmsg] ||
+ [mrw $RDU3_TCM_MAIC_LOCATION] != $RDU3_TCM_MAGIC_REPLY} {
+ echo "Bootstrap: DDR initialization FAILED"
+ } else {
+ echo "Bootstrap: DDR is ready"
+ }
}
proc start_barebox {} {
- #
- # We have to place our image at MX8MQ_ATF_BL33_BASE_ADDR in order
- # to be able to initialize ATF firmware since that's where it
- # expects entry point to BL33 would be
- #
- set MX8MQ_ATF_BL33_BASE_ADDR 0x40200000
-
- echo "==== Starting Barebox ===="
- load_image images/start_zii_imx8mq_dev.pblb $MX8MQ_ATF_BL33_BASE_ADDR bin
- resume $MX8MQ_ATF_BL33_BASE_ADDR
+ #
+ # We have to place our image at MX8MQ_ATF_BL33_BASE_ADDR in order
+ # to be able to initialize ATF firmware since that's where it
+ # expects entry point to BL33 would be
+ #
+ set MX8MQ_ATF_BL33_BASE_ADDR 0x40200000
+ echo "Bootstrap: Loading Barebox"
+ load_image images/start_zii_imx8mq_dev.pblb $MX8MQ_ATF_BL33_BASE_ADDR
bin
+ echo [format "Bootstrap: Jumping to 0x%08x" $MX8MQ_ATF_BL33_BASE_ADDR]
+ resume $MX8MQ_ATF_BL33_BASE_ADDR
}
-# proc board_init { } {
-# ddr_init
-# }
+proc board_init { } {
+ ddr_init
+}
-# ${_TARGETNAME}.0 configure -event reset-init { board_init }
+${_TARGETNAME}.0 configure -event reset-init { board_init }
diff --git a/Documentation/boards/imx/zii-imx8mq-dev/readme.rst
b/Documentation/boards/imx/zii-imx8mq-dev/readme.rst
index dc031e4af..363e00e6c 100644
--- a/Documentation/boards/imx/zii-imx8mq-dev/readme.rst
+++ b/Documentation/boards/imx/zii-imx8mq-dev/readme.rst
@@ -20,5 +20,5 @@ follows:
.. code-block:: sh
- cd barebox
- openocd -f Documentation/boards/imx/zii-imx8mq-dev/openocd.cfg
--command "init; ddr_init; start_barebox"
+ cd barebox
+ Documentation/boards/imx/zii-imx8mq-dev/bootstrap.sh
--
2.21.0
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