[PATCH] ARM: dts: stm32: Define FMC2 base address
patrick.delaunay at st.com
Thu Apr 9 19:31:32 CEST 2020
> 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,
> >> 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
> 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>
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