Re: [U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2017-03-01 Thread Jagan Teki 
On Tue, Feb 14, 2017 at 7:19 PM, Icenowy Zheng  wrote:
> Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like
> DesignWare DRAM controller, which do not have official free DRAM
> initialization code, but can use modified dram_sun8i_h3.c.
>
> Add a invisible option for easier DRAM initialization code reuse.
>
> Signed-off-by: Icenowy Zheng 
> Acked-by: Maxime Ripard 
> ---
>  arch/arm/include/asm/arch-sunxi/dram.h   | 4 ++--
>  .../include/asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h}  | 0
>  arch/arm/mach-sunxi/Makefile | 2 +-
>  arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} | 0
>  board/sunxi/Kconfig  | 9 
> +
>  5 files changed, 12 insertions(+), 3 deletions(-)
>  rename arch/arm/include/asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h} 
> (100%)
>  rename arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} (100%)
>
> diff --git a/arch/arm/include/asm/arch-sunxi/dram.h 
> b/arch/arm/include/asm/arch-sunxi/dram.h
> index 53e6d471d2..6f0131ab16 100644
> --- a/arch/arm/include/asm/arch-sunxi/dram.h
> +++ b/arch/arm/include/asm/arch-sunxi/dram.h
> @@ -24,8 +24,8 @@
>  #include 
>  #elif defined(CONFIG_MACH_SUN8I_A83T)
>  #include 
> -#elif defined(CONFIG_MACH_SUN8I_H3) || defined(CONFIG_MACH_SUN50I)
> -#include 
> +#elif defined(CONFIG_SUNXI_DW_DRAM)
> +#include 
>  #elif defined(CONFIG_MACH_SUN9I)
>  #include 
>  #else
> diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h 
> b/arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h
> similarity index 100%
> rename from arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
> rename to arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h
> diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
> index 7daba1169c..25d896a14e 100644
> --- a/arch/arm/mach-sunxi/Makefile
> +++ b/arch/arm/mach-sunxi/Makefile
> @@ -48,7 +48,7 @@ obj-$(CONFIG_MACH_SUN7I)  += dram_sun4i.o
>  obj-$(CONFIG_MACH_SUN8I_A23)   += dram_sun8i_a23.o
>  obj-$(CONFIG_MACH_SUN8I_A33)   += dram_sun8i_a33.o
>  obj-$(CONFIG_MACH_SUN8I_A83T)  += dram_sun8i_a83t.o
> -obj-$(CONFIG_MACH_SUN8I_H3)+= dram_sun8i_h3.o
> +obj-$(CONFIG_SUNXI_DW_DRAM)+= dram_sunxi_dw.o
>  obj-$(CONFIG_MACH_SUN9I)   += dram_sun9i.o
>  obj-$(CONFIG_MACH_SUN50I)  += dram_sun8i_h3.o
>  endif
> diff --git a/arch/arm/mach-sunxi/dram_sun8i_h3.c 
> b/arch/arm/mach-sunxi/dram_sunxi_dw.c
> similarity index 100%
> rename from arch/arm/mach-sunxi/dram_sun8i_h3.c
> rename to arch/arm/mach-sunxi/dram_sunxi_dw.c
> diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
> index 018bdd12dd..d09ae6067e 100644
> --- a/board/sunxi/Kconfig
> +++ b/board/sunxi/Kconfig
> @@ -42,6 +42,13 @@ config SUNXI_GEN_SUN6I
> separate ahb reset control registers, custom pmic bus, new style
> watchdog, etc.
>
> +config SUNXI_DW_DRAM

I prefer SUNXI_DRAM_DW since config start with SUNXI which is OS and
DRAM which is peripheral and DW from the vendor, this notation quite
relevant if there is any new DRAM the tail should be changed.

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.
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Re: [U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2017-02-15 Thread André Przywara 
On 14/02/17 13:49, Icenowy Zheng wrote:
> Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like
> DesignWare DRAM controller, which do not have official free DRAM
> initialization code, but can use modified dram_sun8i_h3.c.
> 
> Add a invisible option for easier DRAM initialization code reuse.

Thanks for the patch, I like this approach.

> Signed-off-by: Icenowy Zheng 
> Acked-by: Maxime Ripard 

Reviewed-by: Andre Przywara 

Cheers,
Andre.

> ---
>  arch/arm/include/asm/arch-sunxi/dram.h   | 4 ++--
>  .../include/asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h}  | 0
>  arch/arm/mach-sunxi/Makefile | 2 +-
>  arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} | 0
>  board/sunxi/Kconfig  | 9 
> +
>  5 files changed, 12 insertions(+), 3 deletions(-)
>  rename arch/arm/include/asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h} 
> (100%)
>  rename arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} (100%)
> 
> diff --git a/arch/arm/include/asm/arch-sunxi/dram.h 
> b/arch/arm/include/asm/arch-sunxi/dram.h
> index 53e6d471d2..6f0131ab16 100644
> --- a/arch/arm/include/asm/arch-sunxi/dram.h
> +++ b/arch/arm/include/asm/arch-sunxi/dram.h
> @@ -24,8 +24,8 @@
>  #include 
>  #elif defined(CONFIG_MACH_SUN8I_A83T)
>  #include 
> -#elif defined(CONFIG_MACH_SUN8I_H3) || defined(CONFIG_MACH_SUN50I)
> -#include 
> +#elif defined(CONFIG_SUNXI_DW_DRAM)
> +#include 
>  #elif defined(CONFIG_MACH_SUN9I)
>  #include 
>  #else
> diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h 
> b/arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h
> similarity index 100%
> rename from arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
> rename to arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h
> diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
> index 7daba1169c..25d896a14e 100644
> --- a/arch/arm/mach-sunxi/Makefile
> +++ b/arch/arm/mach-sunxi/Makefile
> @@ -48,7 +48,7 @@ obj-$(CONFIG_MACH_SUN7I)+= dram_sun4i.o
>  obj-$(CONFIG_MACH_SUN8I_A23) += dram_sun8i_a23.o
>  obj-$(CONFIG_MACH_SUN8I_A33) += dram_sun8i_a33.o
>  obj-$(CONFIG_MACH_SUN8I_A83T)+= dram_sun8i_a83t.o
> -obj-$(CONFIG_MACH_SUN8I_H3)  += dram_sun8i_h3.o
> +obj-$(CONFIG_SUNXI_DW_DRAM)  += dram_sunxi_dw.o
>  obj-$(CONFIG_MACH_SUN9I) += dram_sun9i.o
>  obj-$(CONFIG_MACH_SUN50I)+= dram_sun8i_h3.o
>  endif
> diff --git a/arch/arm/mach-sunxi/dram_sun8i_h3.c 
> b/arch/arm/mach-sunxi/dram_sunxi_dw.c
> similarity index 100%
> rename from arch/arm/mach-sunxi/dram_sun8i_h3.c
> rename to arch/arm/mach-sunxi/dram_sunxi_dw.c
> diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
> index 018bdd12dd..d09ae6067e 100644
> --- a/board/sunxi/Kconfig
> +++ b/board/sunxi/Kconfig
> @@ -42,6 +42,13 @@ config SUNXI_GEN_SUN6I
>   separate ahb reset control registers, custom pmic bus, new style
>   watchdog, etc.
>  
> +config SUNXI_DW_DRAM
> + bool
> + ---help---
> + Select this for sunxi SoCs which uses a DRAM controller like the
> + DesignWare controller used in H3, mainly SoCs after H3, which do
> + not have official open-source DRAM initialization code, but can
> + use modified H3 DRAM initialization code.
>  
>  choice
>   prompt "Sunxi SoC Variant"
> @@ -113,6 +120,7 @@ config MACH_SUN8I_H3
>   select ARCH_SUPPORT_PSCI
>   select SUNXI_GEN_SUN6I
>   select SUPPORT_SPL
> + select SUNXI_DW_DRAM
>   select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
>  
>  config MACH_SUN8I_V3S
> @@ -134,6 +142,7 @@ config MACH_SUN50I
>   select ARM64
>   select SUNXI_GEN_SUN6I
>   select SUPPORT_SPL
> + select SUNXI_DW_DRAM
>  
>  endchoice
>  
> 

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[U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2017-02-14 Thread Icenowy Zheng 
Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like
DesignWare DRAM controller, which do not have official free DRAM
initialization code, but can use modified dram_sun8i_h3.c.

Add a invisible option for easier DRAM initialization code reuse.

Signed-off-by: Icenowy Zheng 
Acked-by: Maxime Ripard 
---
 arch/arm/include/asm/arch-sunxi/dram.h   | 4 ++--
 .../include/asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h}  | 0
 arch/arm/mach-sunxi/Makefile | 2 +-
 arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} | 0
 board/sunxi/Kconfig  | 9 +
 5 files changed, 12 insertions(+), 3 deletions(-)
 rename arch/arm/include/asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h} 
(100%)
 rename arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} (100%)

diff --git a/arch/arm/include/asm/arch-sunxi/dram.h 
b/arch/arm/include/asm/arch-sunxi/dram.h
index 53e6d471d2..6f0131ab16 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -24,8 +24,8 @@
 #include 
 #elif defined(CONFIG_MACH_SUN8I_A83T)
 #include 
-#elif defined(CONFIG_MACH_SUN8I_H3) || defined(CONFIG_MACH_SUN50I)
-#include 
+#elif defined(CONFIG_SUNXI_DW_DRAM)
+#include 
 #elif defined(CONFIG_MACH_SUN9I)
 #include 
 #else
diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h 
b/arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h
similarity index 100%
rename from arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
rename to arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h
diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
index 7daba1169c..25d896a14e 100644
--- a/arch/arm/mach-sunxi/Makefile
+++ b/arch/arm/mach-sunxi/Makefile
@@ -48,7 +48,7 @@ obj-$(CONFIG_MACH_SUN7I)  += dram_sun4i.o
 obj-$(CONFIG_MACH_SUN8I_A23)   += dram_sun8i_a23.o
 obj-$(CONFIG_MACH_SUN8I_A33)   += dram_sun8i_a33.o
 obj-$(CONFIG_MACH_SUN8I_A83T)  += dram_sun8i_a83t.o
-obj-$(CONFIG_MACH_SUN8I_H3)+= dram_sun8i_h3.o
+obj-$(CONFIG_SUNXI_DW_DRAM)+= dram_sunxi_dw.o
 obj-$(CONFIG_MACH_SUN9I)   += dram_sun9i.o
 obj-$(CONFIG_MACH_SUN50I)  += dram_sun8i_h3.o
 endif
diff --git a/arch/arm/mach-sunxi/dram_sun8i_h3.c 
b/arch/arm/mach-sunxi/dram_sunxi_dw.c
similarity index 100%
rename from arch/arm/mach-sunxi/dram_sun8i_h3.c
rename to arch/arm/mach-sunxi/dram_sunxi_dw.c
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 018bdd12dd..d09ae6067e 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -42,6 +42,13 @@ config SUNXI_GEN_SUN6I
separate ahb reset control registers, custom pmic bus, new style
watchdog, etc.
 
+config SUNXI_DW_DRAM
+   bool
+   ---help---
+   Select this for sunxi SoCs which uses a DRAM controller like the
+   DesignWare controller used in H3, mainly SoCs after H3, which do
+   not have official open-source DRAM initialization code, but can
+   use modified H3 DRAM initialization code.
 
 choice
prompt "Sunxi SoC Variant"
@@ -113,6 +120,7 @@ config MACH_SUN8I_H3
select ARCH_SUPPORT_PSCI
select SUNXI_GEN_SUN6I
select SUPPORT_SPL
+   select SUNXI_DW_DRAM
select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
 
 config MACH_SUN8I_V3S
@@ -134,6 +142,7 @@ config MACH_SUN50I
select ARM64
select SUNXI_GEN_SUN6I
select SUPPORT_SPL
+   select SUNXI_DW_DRAM
 
 endchoice
 
-- 
2.11.0

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Re: [U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2017-01-10 Thread Maxime Ripard 
On Mon, Jan 09, 2017 at 09:01:22PM +0800, Icenowy Zheng wrote:
> 
> 2017年1月9日 下午7:06于 Maxime Ripard 写道：
> >
> > On Fri, Jan 06, 2017 at 07:13:17AM +0800, Icenowy Zheng wrote: 
> > > 
> > > 
> > > 06.01.2017, 06:16, "Maxime Ripard" : 
> > > > On Thu, Dec 29, 2016 at 02:50:48AM +0800, Icenowy Zheng wrote: 
> > > >>  Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like 
> > > >>  DesignWare DRAM controller, which do not have official free DRAM 
> > > >>  initialization code, but can use modified dram_sun8i_h3.c. 
> > > >> 
> > > >>  Add a invisible option for easier DRAM initialization code reuse. 
> > > > 
> > > > Since it's used on all the newer SoCs, do we need to keep the H3 name 
> > > > in the config option name? 
> > > 
> > > Good question... 
> > > 
> > > Name it "SUNXI_DW_DRAM"? 
> >
> > Looks good. 
> >
> > > (Although I think at least A33 uses the same series of DRAM controller) 
> >
> > Does it? Why do we need a separate DRAM init code then? 
> 
> I think it does. See dram_sun8i_a33.c .
> 
> We used to use per-device dram code, but failed after allwinner uses
> libdram, then we worked on modifying H3 code.
> 
> I think it's also possible to make H3 code capable of A33, but since
> our A33 code works well, should we do it?

Code duplication is a nightmare, and opportunities of consolidation
should always be at least considered. So, yes, please do :)

Thanks!
Maxime

-- 
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Embedded Linux and Kernel engineering
http://free-electrons.com


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Re: [U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2017-01-09 Thread Icenowy Zheng 

2017年1月9日 下午7:06于 Maxime Ripard 写道：
>
> On Fri, Jan 06, 2017 at 07:13:17AM +0800, Icenowy Zheng wrote: 
> > 
> > 
> > 06.01.2017, 06:16, "Maxime Ripard" : 
> > > On Thu, Dec 29, 2016 at 02:50:48AM +0800, Icenowy Zheng wrote: 
> > >>  Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like 
> > >>  DesignWare DRAM controller, which do not have official free DRAM 
> > >>  initialization code, but can use modified dram_sun8i_h3.c. 
> > >> 
> > >>  Add a invisible option for easier DRAM initialization code reuse. 
> > > 
> > > Since it's used on all the newer SoCs, do we need to keep the H3 name 
> > > in the config option name? 
> > 
> > Good question... 
> > 
> > Name it "SUNXI_DW_DRAM"? 
>
> Looks good. 
>
> > (Although I think at least A33 uses the same series of DRAM controller) 
>
> Does it? Why do we need a separate DRAM init code then? 

I think it does. See dram_sun8i_a33.c .

We used to use per-device dram code, but failed after allwinner uses libdram, 
then we worked on modifying H3 code.

I think it's also possible to make H3 code 
capable of A33, but since our A33 code works well, should we do it?

>
> Thanks, 
> Maxime 
>
> -- 
> Maxime Ripard, Free Electrons 
> Embedded Linux and Kernel engineering 
> http://free-electrons.com 
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Re: [U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2017-01-09 Thread Maxime Ripard 
On Fri, Jan 06, 2017 at 07:13:17AM +0800, Icenowy Zheng wrote:
> 
> 
> 06.01.2017, 06:16, "Maxime Ripard" :
> > On Thu, Dec 29, 2016 at 02:50:48AM +0800, Icenowy Zheng wrote:
> >>  Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like
> >>  DesignWare DRAM controller, which do not have official free DRAM
> >>  initialization code, but can use modified dram_sun8i_h3.c.
> >>
> >>  Add a invisible option for easier DRAM initialization code reuse.
> >
> > Since it's used on all the newer SoCs, do we need to keep the H3 name
> > in the config option name?
> 
> Good question...
> 
> Name it "SUNXI_DW_DRAM"?

Looks good.

> (Although I think at least A33 uses the same series of DRAM controller)

Does it? Why do we need a separate DRAM init code then?

Thanks,
Maxime

-- 
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Embedded Linux and Kernel engineering
http://free-electrons.com


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Re: [U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2017-01-05 Thread Icenowy Zheng 


06.01.2017, 06:16, "Maxime Ripard" :
> On Thu, Dec 29, 2016 at 02:50:48AM +0800, Icenowy Zheng wrote:
>>  Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like
>>  DesignWare DRAM controller, which do not have official free DRAM
>>  initialization code, but can use modified dram_sun8i_h3.c.
>>
>>  Add a invisible option for easier DRAM initialization code reuse.
>
> Since it's used on all the newer SoCs, do we need to keep the H3 name
> in the config option name?

Good question...

Name it "SUNXI_DW_DRAM"?

(Although I think at least A33 uses the same series of DRAM controller)

>
> Thanks,
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com
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[U-Boot] [PATCH] sunxi: makes an invisible option for H3-like DRAM controllers

2016-12-28 Thread Icenowy Zheng 
Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like
DesignWare DRAM controller, which do not have official free DRAM
initialization code, but can use modified dram_sun8i_h3.c.

Add a invisible option for easier DRAM initialization code reuse.

Signed-off-by: Icenowy Zheng 
---
 arch/arm/include/asm/arch-sunxi/dram.h | 2 +-
 arch/arm/mach-sunxi/Makefile   | 2 +-
 board/sunxi/Kconfig| 7 +++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm/include/asm/arch-sunxi/dram.h 
b/arch/arm/include/asm/arch-sunxi/dram.h
index e0be744dba..c5456658a3 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -24,7 +24,7 @@
 #include 
 #elif defined(CONFIG_MACH_SUN8I_A83T)
 #include 
-#elif defined(CONFIG_MACH_SUN8I_H3)
+#elif defined(CONFIG_SUNXI_H3_DW_DRAM)
 #include 
 #elif defined(CONFIG_MACH_SUN9I)
 #include 
diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
index e73114ee64..dc737db4b9 100644
--- a/arch/arm/mach-sunxi/Makefile
+++ b/arch/arm/mach-sunxi/Makefile
@@ -48,6 +48,6 @@ obj-$(CONFIG_MACH_SUN7I)  += dram_sun4i.o
 obj-$(CONFIG_MACH_SUN8I_A23)   += dram_sun8i_a23.o
 obj-$(CONFIG_MACH_SUN8I_A33)   += dram_sun8i_a33.o
 obj-$(CONFIG_MACH_SUN8I_A83T)  += dram_sun8i_a83t.o
-obj-$(CONFIG_MACH_SUN8I_H3)+= dram_sun8i_h3.o
+obj-$(CONFIG_SUNXI_H3_DW_DRAM) += dram_sun8i_h3.o
 obj-$(CONFIG_MACH_SUN9I)   += dram_sun9i.o
 endif
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index e1d4ab148f..4ddd992684 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -42,6 +42,12 @@ config SUNXI_GEN_SUN6I
separate ahb reset control registers, custom pmic bus, new style
watchdog, etc.
 
+config SUNXI_H3_DW_DRAM
+   bool
+   ---help---
+   Select this for sunxi SoCs which uses a DRAM controller like the
+   DesignWare controller used in H3, mainly SoCs after H3, which do
+   not have official open-source DRAM initialization code.
 
 choice
prompt "Sunxi SoC Variant"
@@ -113,6 +119,7 @@ config MACH_SUN8I_H3
select ARCH_SUPPORT_PSCI
select SUNXI_GEN_SUN6I
select SUPPORT_SPL
+   select SUNXI_H3_DW_DRAM
select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
 
 config MACH_SUN9I
-- 
2.11.0

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