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stm32mp: handle SYSRESET

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Add support of sysreset with generic driver "syscon-reboot"
provided by RCC, for U-boot and for SPL.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2018-03-20 14:15:06 +01:00 committed by Tom Rini
parent e16750ff0e
commit 86634a93b4
5 changed files with 14 additions and 4 deletions
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1
arch/arm/Kconfig
View File

@ -1166,6 +1166,7 @@ config ARCH_STM32MP
select REGMAP
select SUPPORT_SPL
select SYSCON
select SYSRESET
select SYS_THUMB_BUILD
help
Support for STM32MP SoC family developed by STMicroelectronics,

4
arch/arm/dts/stm32mp157-u-boot.dtsi
View File

@ -72,6 +72,10 @@
u-boot,dm-pre-reloc;
};
&rcc_reboot {
u-boot,dm-pre-reloc;
};
&pinctrl {
u-boot,dm-pre-reloc;
};

7
arch/arm/dts/stm32mp157.dtsi
View File

@ -114,6 +114,13 @@
#reset-cells = <1>;
compatible = "st,stm32mp1-rcc-rst";
};
rcc_reboot: rcc-reboot@50000000 {
compatible = "syscon-reboot";
regmap = <&rcc>;
offset = <0x404>;
mask = <0x1>;
};
};
pinctrl: pin-controller {

2
arch/arm/mach-stm32mp/Kconfig
View File

@ -16,6 +16,7 @@ config SPL
select SPL_RESET_SUPPORT
select SPL_SERIAL_SUPPORT
select SPL_SYSCON
select SPL_DRIVERS_MISC_SUPPORT
imply SPL_LIBDISK_SUPPORT
config SYS_SOC
@ -26,6 +27,7 @@ config TARGET_STM32MP1
select CPU_V7
select PINCTRL_STM32
select STM32_RESET
select SYSRESET_SYSCON
help
target STMicroelectronics SOC STM32MP1 family
STMicroelectronics MPU with core ARMv7

4
arch/arm/mach-stm32mp/cpu.c
View File

@ -269,7 +269,3 @@ int arch_misc_init(void)
return 0;
}
void reset_cpu(ulong addr)
{
}