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stm32: stm32f7: add spl build support

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This commit supports booting from stm32 internal nor flash. spl U-Boot
initializes the sdram memory, copies next image (e.g. standard U-Boot)
to sdram & then jumps to entry point.

Here are the flash memory addresses for U-Boot-spl & standard U-Boot:
	- spl U-Boot		: 0x0800_0000
	- standard U-Boot	: 0x0800_8000

To compile u-boot without spl: Remove SUPPORT_SPL configuration
(arch/arm/mach-stm32/Kconfig)

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
[trini: Rework Kconfig logic a bit]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Vikas Manocha
2017-05-28 12:55:10 -07:00
committed by Tom Rini
parent ea744fca0e
commit b97476965b
5 changed files with 65 additions and 3 deletions
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17
arch/arm/mach-stm32/Kconfig
View File

@@ -8,6 +8,23 @@ config STM32F1
config STM32F7
bool "stm32f7 family"
select SUPPORT_SPL
select SPL
select SPL_CLK
select SPL_DM
select SPL_DM_SEQ_ALIAS
select SPL_DRIVERS_MISC_SUPPORT
select SPL_GPIO_SUPPORT
select SPL_LIBCOMMON_SUPPORT
select SPL_LIBGENERIC_SUPPORT
select SPL_MTD_SUPPORT
select SPL_OF_CONTROL
select SPL_OF_LIBFDT
select SPL_OF_TRANSLATE
select SPL_PINCTRL
select SPL_RAM
select SPL_SERIAL_SUPPORT
select SPL_SYS_MALLOC_SIMPLE
source "arch/arm/mach-stm32/stm32f4/Kconfig"
source "arch/arm/mach-stm32/stm32f1/Kconfig"