[U-Boot] [PATCH v2 9/9] doc: rockchip: Add documentation for rk3308 based boards

[Andy Yan]

Add build documentation for rk3308 based boards.

Signed-off-by: Andy Yan <andy.yan at rock-chips.com>

---

Changes in v2:
- Update doc/README.rockchip

 doc/README.rockchip | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/doc/README.rockchip b/doc/README.rockchip
index d17afeabdd..f9f5ca8ac8 100644
--- a/doc/README.rockchip
+++ b/doc/README.rockchip
@@ -47,6 +47,11 @@ Two RK3036 boards are supported:
    - EVB RK3036 - use evb-rk3036 configuration
    - Kylin - use kylin_rk3036 configuration
 
+Two RK3308 boards are supported:
+
+   - EVB RK3308 - use evb-rk3308 configuration
+   - roc-RK3308-CC - use roc-rk3308-cc configuration
+
 Two RK3328 board are supported:
 
    - EVB RK3328 - use evb-rk3328_defconfig
@@ -94,7 +99,20 @@ For example:
 
     (or you can use another cross compiler if you prefer)
 
-2. To build RK3399 board:
+2. To build RK3308 board:
+   - Get the rkbin
+     => git clone https://github.com/rockchip-linux/rkbin.git
+
+   - Compile U-Boot
+     => cd /path/to/u-boot
+     => export BL31=/path/to/rkbin/bin/rk33/rk3308_bl31_v2.22.elf
+     => make roc-rk3308-cc_defconfig
+     => make CROSS_COMPILE=aarch64-linux-gnu- all
+     => make CROSS_COMPILE=aarch64-linux-gnu- u-boot.itb
+     => ./tools/mkimage -n rk3308 -T rksd -d /path/to/rkbin/bin/rk33/rk3308_ddr_589MHz_uart2_m0_v1.26.bin idbloader.img
+     => cat spl/u-boot-spl.bin  >> idbloader.img
+
+3. To build RK3399 board:
 
    Option 1: Package the image with Rockchip miniloader:
 
-- 
2.17.1