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authorNathan Rossi <nathan@nathanrossi.com>2016-12-04 20:48:36 +1000
committerNathan Rossi <nathan@nathanrossi.com>2016-12-14 00:15:33 +1000
commit4885a05b6e78f8dbc99cb341367e3409829d72dd (patch)
tree459638d53c9b44a5894a6e96712e100d4644d8a5
parent85cfaf4feb6c5cb85baeaa7ca58f3201016a9153 (diff)
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README.booting.md: Add info about u-boot-spl.bin
Add information about extracting the u-boot-spl.bin from boot.bin with the use of 'dd' to strip the boot.bin header. Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
-rw-r--r--README.booting.md3
1 files changed, 2 insertions, 1 deletions
diff --git a/README.booting.md b/README.booting.md
index 5950bf96..a22ddb7b 100644
--- a/README.booting.md
+++ b/README.booting.md
@@ -60,7 +60,8 @@ Ensure the board is configured to boot from JTAG. The Zynq platform requires the
loading of SPL first, this can be done by loading the `u-boot-spl.bin` and
executing it at location `0x0`. `u-boot-spl.bin` is not output to the deploy
directory by default, it can be obtained from the work directory for U-Boot
-(`git/spl/u-boot-spl.bin`).
+(`git/spl/u-boot-spl.bin`) or can be extracted from `boot.bin` using
+`dd if=boot.bin of=u-boot-spl.bin bs=1 skip=2240`.
xsdb% targets -set -filter {name =~ "ARM*#0"}
xsdb% dow -data u-boot-spl.bin 0x0