distro bootcmd: make net boot only optionally start USB

[people/ms/u-boot.git] / doc / README.rockchip

diff --git a/doc/README.rockchip b/doc/README.rockchip
index b455f6fee703272f8ae00c035479dc540286c9a6..e0572c80b9c7d6e22bfc695d0d73fde74f6789d5 100644 (file)
--- a/doc/README.rockchip
+++ b/doc/README.rockchip
@@ -14,7 +14,7 @@ many Rockchip devices [1] [2].
 The current mainline support is experimental only and is not useful for
 anything. It should provide a base on which to build.
 
-So far only support for the RK3288 is provided.
+So far only support for the RK3288 and RK3036 is provided.
 
 
 Prerequisites
@@ -22,7 +22,7 @@ Prerequisites
 
 You will need:
 
-   - Firefly RK3288 baord
+   - Firefly RK3288 board or something else with a supported RockChip SoC
    - Power connection to 5V using the supplied micro-USB power cable
    - Separate USB serial cable attached to your computer and the Firefly
         (connect to the micro-USB connector below the logo)
@@ -39,12 +39,13 @@ Building
 At present three RK3288 boards are supported:
 
    - Firefly RK3288 - use firefly-rk3288 configuration
-   - Radxa Rock 2 - also uses firefly-rk3288 configuration
-   - Haier Chromebook - use chromebook_jerry configuration
+   - Radxa Rock 2 - use rock2 configuration
+   - Hisense Chromebook - use chromebook_jerry configuration
 
-one RK3036 board is support:
+Two RK3036 board are supported:
 
-   - EVB RK3036 - use evb-rk3036_defconfig configuration
+   - EVB RK3036 - use evb-rk3036 configuration
+   - Kylin - use kylin_rk3036 configuration
 
 For example:
 
@@ -52,11 +53,6 @@ For example:
 
 (or you can use another cross compiler if you prefer)
 
-Note that the Radxa Rock 2 uses the Firefly configuration for now as
-device tree files are not yet available for the Rock 2. Clearly the two
-have hardware differences, so this approach will break down as more drivers
-are added.
-
 
 Writing to the board with USB
 =============================
@@ -108,20 +104,23 @@ corresponds with this setting in U-Boot:
 Put this SD (or micro-SD) card into your board and reset it. You should see
 something like:
 
-   U-Boot SPL 2015.07-rc1-00383-ge345740-dirty (Jun 03 2015 - 11:04:40)
-
-
-   U-Boot 2015.07-rc1-00383-ge345740-dirty (Jun 03 2015 - 11:04:40)
+   U-Boot 2016.01-rc2-00309-ge5bad3b-dirty (Jan 02 2016 - 23:41:59 -0700)
 
+   Model: Radxa Rock 2 Square
    DRAM:  2 GiB
-   MMC:
-   Using default environment
-
-   In:    serial@ff690000
-   Out:   serial@ff690000
-   Err:   serial@ff690000
+   MMC:   dwmmc@ff0f0000: 0, dwmmc@ff0c0000: 1
+   *** Warning - bad CRC, using default environment
+
+   In:    serial
+   Out:   vop@ff940000.vidconsole
+   Err:   serial
+   Net:   Net Initialization Skipped
+   No ethernet found.
+   Hit any key to stop autoboot:  0
    =>
 
+If you have an HDMI cable attached you should see a video console.
+
 For evb_rk3036 board:
        ./evb-rk3036/tools/mkimage -n rk3036 -T rksd  -d evb-rk3036/spl/u-boot-spl.bin out && \
        cat evb-rk3036/u-boot-dtb.bin >> out && \
@@ -135,9 +134,10 @@ Booting from SPI
 
 To write an image that boots from SPI flash (e.g. for the Haier Chromebook):
 
-   ./chromebook_jerry/tools/mkimage -n rk3036 -T rkspi -d chromebook_jerry/spl/u-boot-spl-dtb.bin out
-   dd if=spl.bin of=out.bin bs=128K conv=sync
-   cat chromebook_jerry/u-boot-dtb.img out.bin
+   ./chromebook_jerry/tools/mkimage -n rk3288 -T rkspi \
+       -d chromebook_jerry/spl/u-boot-spl-dtb.bin spl.bin && \
+   dd if=spl.bin of=spl-out.bin bs=128K conv=sync && \
+   cat spl-out.bin chromebook_jerry/u-boot-dtb.img >out.bin && \
    dd if=out.bin of=out.bin.pad bs=4M conv=sync
 
 This converts the SPL image to the required SPI format by adding the Rockchip
@@ -174,13 +174,9 @@ Future work
 
 Immediate priorities are:
 
-- GPIO (driver exists but is lightly tested)
-- I2C (driver exists but is non-functional)
 - USB host
 - USB device
-- PMIC and regulators (only ACT8846 is supported at present)
-- LCD and HDMI
-- Run CPU at full speed
+- Run CPU at full speed (code exists but we only see ~60 DMIPS maximum)
 - Ethernet
 - NAND flash
 - Support for other Rockchip parts
@@ -242,6 +238,12 @@ SPI flash.
 
 See above for instructions on how to write a SPI image.
 
+rkmux.py
+--------
+
+You can use this script to create #defines for SoC register access. See the
+script for usage.
+
 
 Device tree and driver model
 ----------------------------