dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-09-01 00:32:04 +02:00
Code Issues Packages Projects Releases Wiki Activity

rk3288: vyasa: Add TPL support

Browse Source 
Since the size of SPL can't be exceeded 0x8000 bytes in RK3288,
it is not possible add new SPL features like Falcon mode or etc.

So add TPL stage so-that adding new features to SPL is possible.
- TPL: DRAM init, clocks
- SPL: MMC, falcon, etc

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Jagan Teki
2017-09-27 23:03:12 +05:30
committed by Philipp Tomsich
parent a982d5156d
commit 532cb7f5ad
7 changed files with 130 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
doc/README.rockchip
View File

@@ -150,6 +150,24 @@ Note: rk3036 SDMMC and debug uart use the same iomux, so if you boot from SD, th
debug uart must be disabled
Booting from an SD card on RK3288 with TPL
==========================================
Since the size of SPL can't be exceeded 0x8000 bytes in RK3288, it is not possible add
new SPL features like Falcon mode or etc.
So introduce TPL so-that adding new features to SPL is possible because now TPL should
run minimal with code like DDR, clock etc and rest of new features in SPL.
As of now TPL is added on Vyasa-RK3288 board.
To write an image that boots from an SD card (assumed to be /dev/mmcblk0):
./tools/mkimage -n rk3288 -T rksd -d ./tpl/u-boot-tpl.bin out &&
cat ./spl/u-boot-spl-dtb.bin >> out &&
sudo dd if=out of=/dev/mmcblk0 seek=64 &&
sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 seek=256
Booting from an SD card on RK3188
=================================