[U-Boot,v3,9/9] doc: rockchip: Add documentation for rk3308 based boards

Add build documentation for rk3308 based boards.

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

---

Changes in v3:
- Doc update with more detail message.

 doc/README.rockchip | 92 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 91 insertions(+), 1 deletion(-)

On 2019/11/14 上午11:23, Andy Yan wrote:
> Add build documentation for rk3308 based boards.
>
> Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

Thanks,
- Kever
>
> ---
>
> Changes in v3:
> - Doc update with more detail message.
>
>   doc/README.rockchip | 92 ++++++++++++++++++++++++++++++++++++++++++++-
>   1 file changed, 91 insertions(+), 1 deletion(-)
>
> diff --git a/doc/README.rockchip b/doc/README.rockchip
> index d17afeabdd..67c14006a3 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-CC-RK3308 - 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:
>   
> @@ -203,6 +221,78 @@ as several other platforms do. However it does not seem to be possible to
>   use the existing boot ROM code from SPL.
>   
>   
> +Writing to the eMMC with USB on ROC-RK3308-CC
> +=============================================
> +For USB to work you must get your board into Bootrom mode,
> +either by erasing the eMMC or short circuit the GND and D0
> +on core board.
> +
> +Connect the board to your computer via tyepc.
> +=> rkdeveloptool db rk3308_loader_v1.26.117.bin
> +=> rkdeveloptool wl 0x40 idbloader.img
> +=> rkdeveloptool wl 0x4000 u-boot.itb
> +=> rkdeveloptool rd
> +
> +Then you will see the boot log from Debug UART at baud rate 1500000:
> +DDR Version V1.26
> +REGFB: 0x00000032, 0x00000032
> +In
> +589MHz
> +DDR3
> + Col=10 Bank=8 Row=14 Size=256MB
> +msch:1
> +Returning to boot ROM...
> +
> +U-Boot SPL 2020.01-rc1-00225-g34b681327f (Nov 14 2019 - 10:58:04 +0800)
> +Trying to boot from MMC1
> +INFO:    Preloader serial: 2
> +NOTICE:  BL31: v1.3(release):30f1405
> +NOTICE:  BL31: Built : 17:08:28, Sep 23 2019
> +INFO:    Lastlog: last=0x100000, realtime=0x102000, size=0x2000
> +INFO:    ARM GICv2 driver initialized
> +INFO:    Using opteed sec cpu_context!
> +INFO:    boot cpu mask: 1
> +INFO:    plat_rockchip_pmu_init: pd status 0xe b
> +INFO:    BL31: Initializing runtime services
> +WARNING: No OPTEE provided by BL2 boot loader, Booting device without OPTEE initialization. SMC`s destined for OPTEE will rK
> +ERROR:   Error initializing runtime service opteed_fast
> +INFO:    BL31: Preparing for EL3 exit to normal world
> +INFO:    Entry point address = 0x600000
> +INFO:    SPSR = 0x3c9
> +
> +
> +U-Boot 2020.01-rc1-00225-g34b681327f (Nov 14 2019 - 10:58:47 +0800)
> +
> +Model: Firefly ROC-RK3308-CC board
> +DRAM:  254 MiB
> +MMC:   dwmmc@ff480000: 0, dwmmc@ff490000: 1
> +rockchip_dnl_key_pressed read adc key val failed
> +Net:   No ethernet found.
> +Hit any key to stop autoboot:  0
> +Card did not respond to voltage select!
> +switch to partitions #0, OK
> +mmc1(part 0) is current device
> +Scanning mmc 1:4...
> +Found /extlinux/extlinux.conf
> +Retrieving file: /extlinux/extlinux.conf
> +151 bytes read in 3 ms (48.8 KiB/s)
> +1:      kernel-mainline
> +Retrieving file: /Image
> +14737920 bytes read in 377 ms (37.3 MiB/s)
> +append: earlycon=uart8250,mmio32,0xff0c0000 console=ttyS2,1500000n8
> +Retrieving file: /rk3308-roc-cc.dtb
> +28954 bytes read in 4 ms (6.9 MiB/s)
> +Flattened Device Tree blob at 01f00000
> +Booting using the fdt blob at 0x1f00000
> +## Loading Device Tree to 000000000df3a000, end 000000000df44119 ... OK
> +
> +Starting kernel ...
> +[    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd042]
> +[    0.000000] Linux version 5.4.0-rc1-00040-g4dc2d508fa47-dirty (andy@B150) (gcc version 6.3.1 20170404 (Linaro GCC 6.3-209
> +[    0.000000] Machine model: Firefly ROC-RK3308-CC board
> +[    0.000000] earlycon: uart8250 at MMIO32 0x00000000ff0c0000 (options '')
> +[    0.000000] printk: bootconsole [uart8250] enabled
> +
>   Booting from an SD card
>   =======================
>