Thanks Simon,
On 05/02/2015 07:26 AM, Simon Glass wrote:
> Hi Vikas,
>
> On 1 May 2015 at 18:07, Vikas Manocha <vikas.mano...@st.com> wrote:
>> This patch adds device tree for the ST Micro stv0991 board & enables
>> device tree control. Progressively device tree support for the drivers
>> being used will also be added.
>>
>> Signed-off-by: Vikas Manocha <vikas.mano...@st.com>
>> ---
>>
>> Changes in v2:
>> - added commit message.
>>
>> arch/arm/dts/Makefile | 1 +
>> arch/arm/dts/stv0991.dts | 23 +++++++++++++++++++++++
>> configs/stv0991_defconfig | 1 +
>> include/configs/stv0991.h | 3 +++
>> 4 files changed, 28 insertions(+)
>> create mode 100644 arch/arm/dts/stv0991.dts
>>
>> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
>> index 46a6171..86faf58 100644
>> --- a/arch/arm/dts/Makefile
>> +++ b/arch/arm/dts/Makefile
>> @@ -54,6 +54,7 @@ dtb-$(CONFIG_SOCFPGA) += \
>> socfpga_arria5_socdk.dtb \
>> socfpga_cyclone5_socdk.dtb \
>> socfpga_cyclone5_socrates.dtb
>> +dtb-$(CONFIG_TARGET_STV0991) += stv0991.dtb
>>
>> dtb-$(CONFIG_LS102XA) += ls1021a-qds.dtb \
>> ls1021a-twr.dtb
>> diff --git a/arch/arm/dts/stv0991.dts b/arch/arm/dts/stv0991.dts
>> new file mode 100644
>> index 0000000..b25c48b
>> --- /dev/null
>> +++ b/arch/arm/dts/stv0991.dts
>> @@ -0,0 +1,23 @@
>> +/dts-v1/;
>> +
>> +/ {
>> + model = "ST STV0991 application board";
>> + compatible = "st,stv0991";
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> +
>> + chosen {
>> + stdout-path = &uart0;
>> + };
>> +
>> + memory {
>> + device_type="memory";
>> + reg = <0x0 0x198000>;
>> + };
>> +
>> + uart0: serial@0x80406000 {
>> + compatible = "arm,pl011", "arm,primecell";
>> + reg = <0x80406000 0x1000>;
>> + clock = <2700000>;
>> + };
>> +};
>> diff --git a/configs/stv0991_defconfig b/configs/stv0991_defconfig
>> index 76ba41b..d9edc06 100644
>> --- a/configs/stv0991_defconfig
>> +++ b/configs/stv0991_defconfig
>> @@ -5,3 +5,4 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
>> CONFIG_ETH_DESIGNWARE=y
>> CONFIG_NETDEVICES=y
>> CONFIG_NET=y
>> +CONFIG_DEFAULT_DEVICE_TREE="stv0991"
>> diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h
>> index 2f65eda..750eebd 100644
>> --- a/include/configs/stv0991.h
>> +++ b/include/configs/stv0991.h
>> @@ -80,4 +80,7 @@
>> #define CONFIG_AUTOBOOT_PROMPT \
>> "Hit SPACE in %d seconds to stop autoboot.\n", bootdelay
>> #undef CONFIG_HAS_VBAR
>> +#define CONFIG_OF_EMBED
> I just noticed that you use CONFIG_OF_EMBED. Is this just for
> debugging? It should not be used for normal operation.
>
> From README.fdt-control:
>
> "If CONFIG_OF_EMBED is defined, then it will be picked up and built into
> the U-Boot image (including u-boot.bin). This is suitable for debugging
> and development only and is not recommended for production devices."
You are right, it should be CONFIG_OF_SEPARATE for production.
Rgds,
Vikas
>> +#define CONFIG_OF_CONTROL
>> +#define CONFIG_OF_LIBFDT
>> #endif /* __CONFIG_H */
>> --
>> 1.7.9.5
>>
> Regards,
> Simon
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