Add support of sysreset with generic driver "syscon-reboot"
provided by RCC, for U-boot and for SPL.
Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
---
arch/arm/Kconfig | 1 +
arch/arm/dts/stm32mp157-u-boot.dtsi | 4 ++++
arch/arm/dts/stm32mp157.dtsi | 7 +++++++
arch/arm/mach-stm32mp/Kconfig | 2 ++
arch/arm/mach-stm32mp/cpu.c | 4 ----
5 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 425f533..b59da78 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1163,6 +1163,7 @@ 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,
diff --git a/arch/arm/dts/stm32mp157-u-boot.dtsi
b/arch/arm/dts/stm32mp157-u-boot.dtsi
index 7a9a4ce..1eca802 100644
--- a/arch/arm/dts/stm32mp157-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp157-u-boot.dtsi
@@ -72,6 +72,10 @@
u-boot,dm-pre-reloc;
};
+&rcc_reboot {
+ u-boot,dm-pre-reloc;
+};
+
&pinctrl {
u-boot,dm-pre-reloc;
};
diff --git a/arch/arm/dts/stm32mp157.dtsi b/arch/arm/dts/stm32mp157.dtsi
index 77953c8..b84899a 100644
--- a/arch/arm/dts/stm32mp157.dtsi
+++ b/arch/arm/dts/stm32mp157.dtsi
@@ -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 {
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index c1ad939..22e1d11 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -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
@@ -29,6 +30,7 @@ config TARGET_STM32MP1
select CPU_V7_HAS_VIRT
select PINCTRL_STM32
select STM32_RESET
+ select SYSRESET_SYSCON
help
target STMicroelectronics SOC STM32MP1 family
STMicroelectronics MPU with core ARMv7
diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c
index 4ba2aec..f9f3bf9 100644
--- a/arch/arm/mach-stm32mp/cpu.c
+++ b/arch/arm/mach-stm32mp/cpu.c
@@ -269,7 +269,3 @@ int arch_misc_init(void)
return 0;
}
-
-void reset_cpu(ulong addr)
-{
-}
--
2.7.4
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