[PATCH] ARM: dts: stm32: Define FMC2 base address

[Patrick DELAUNAY]

Dear,

> From: Marek Vasut <marex at denx.de>
> Sent: jeudi 9 avril 2020 13:23
> 
> On 4/1/20 3:45 PM, Patrick DELAUNAY wrote:
> > Hi Marek,
> 
> Hi,
> 
> >> From: Marek Vasut <marex at denx.de>
> >> Sent: jeudi 26 mars 2020 16:57
> >>
> >> Define FMC2 base address, for use in board files, until there is an
> >> actual FMC2 bus driver.
> >>
> >> Signed-off-by: Marek Vasut <marex at denx.de>
> >> Cc: Patrick Delaunay <patrick.delaunay at st.com>
> >> Cc: Patrice Chotard <patrice.chotard at st.com>
> >> ---
> >>  arch/arm/mach-stm32mp/include/mach/stm32.h | 1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >> diff --git a/arch/arm/mach-stm32mp/include/mach/stm32.h
> >> b/arch/arm/mach- stm32mp/include/mach/stm32.h index
> >> f0636005e5..62d95d7f88 100644
> >> --- a/arch/arm/mach-stm32mp/include/mach/stm32.h
> >> +++ b/arch/arm/mach-stm32mp/include/mach/stm32.h
> >> @@ -13,6 +13,7 @@
> >>  #define STM32_RCC_BASE			0x50000000
> >>  #define STM32_PWR_BASE			0x50001000
> >>  #define STM32_DBGMCU_BASE		0x50081000
> >> +#define STM32_FMC2_BASE			0x58002000
> >
> > For me, the address should be defined in this file only for the few
> > addresses used before device tree avaibility: I want to avoid to have all the
> device defined here.
> >
> > But normally it is not the case for FMC2, even if I understand the current need,
> without FMC2 bus driver....
> > I will take this patch only it is not possible to get FMC2 address from device
> tree.
> 
> I can parse this information from the DT, but what would be the benefit?
> Slower boot due to the need to traverse DT and more complex code?

I am convinced now (thanks to Christophe) because the correct FMC bus driver is not yet ready...

It will be clean-up later when no more used.

Reviewed-by: Patrick Delaunay <patrick.delaunay at st.com>

Thanks

Patrick