doc: rockchip: Update SPI flashing instruction
Update documentation on how to write a bootable u-boot-rockchip-spi.bin
image into SPI flash. This removes the reference to a hardcoded and now
obsolete 0x60000 payload offset.
Also remove an obsolete reference to pad_cat.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Quentin Schulz <foss+u-boot@0leil.net>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index 10fc051..e23237e 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -218,7 +218,7 @@
^^^^^^^
All Rockchip platforms (except rk3128 which doesn't use SPL) are now
-supporting a single boot image using binman and pad_cat.
+supporting a single boot image using binman.
To write an image that boots from a SD card (assumed to be /dev/sda):
@@ -269,31 +269,15 @@
SPI
^^^
-The SPI boot method requires the generation of idbloader.img with help of the mkimage tool.
+Write u-boot-rockchip-spi.bin to offset 0 of SPI flash.
-SPL-alone SPI boot image:
+Copy u-boot-rockchip-spi.bin into SD card and boot from SD:
.. code-block:: bash
- ./tools/mkimage -n rk3399 -T rkspi -d spl/u-boot-spl.bin idbloader.img
-
-TPL+SPL SPI boot image:
-
-.. code-block:: bash
-
- ./tools/mkimage -n rk3399 -T rkspi -d tpl/u-boot-tpl.bin:spl/u-boot-spl.bin idbloader.img
-
-Copy SPI boot images into SD card and boot from SD:
-
-.. code-block:: bash
-
sf probe
- load mmc 1:1 $kernel_addr_r idbloader.img
- sf erase 0 +$filesize
- sf write $kernel_addr_r 0 ${filesize}
- load mmc 1:1 ${kernel_addr_r} u-boot.itb
- sf erase 0x60000 +$filesize
- sf write $kernel_addr_r 0x60000 ${filesize}
+ load mmc 1:1 $kernel_addr_r u-boot-rockchip-spi.bin
+ sf update $fileaddr 0 $filesize
2. Package the image with Rockchip miniloader
---------------------------------------------