[U-Boot] [PATCH 6/8] stm32mp1: add command poweroff
Patrick Delaunay
patrick.delaunay at st.com
Mon Feb 4 10:26:20 UTC 2019
Activate the command poweroff by default for STM32MP1:
- with PCSI from TF-A for trusted boot
- with PMIC sysreset request for basic boot (SYSRESET_POWER)
Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---
arch/arm/Kconfig | 1 +
arch/arm/mach-stm32mp/Makefile | 3 +++
arch/arm/mach-stm32mp/cmd_poweroff.c | 24 ++++++++++++++++++++++++
3 files changed, 28 insertions(+)
create mode 100644 arch/arm/mach-stm32mp/cmd_poweroff.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2ee1dfe..94988bc 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1348,6 +1348,7 @@ config ARCH_STM32MP
select SYSRESET
select SYS_THUMB_BUILD
imply CMD_DM
+ imply CMD_POWEROFF
help
Support for STM32MP SoC family developed by STMicroelectronics,
MPUs based on ARM cortex A core
diff --git a/arch/arm/mach-stm32mp/Makefile b/arch/arm/mach-stm32mp/Makefile
index f59ced5..1493914 100644
--- a/arch/arm/mach-stm32mp/Makefile
+++ b/arch/arm/mach-stm32mp/Makefile
@@ -11,6 +11,9 @@ ifdef CONFIG_SPL_BUILD
obj-y += spl.o
else
obj-y += bsec.o
+ifndef CONFIG_STM32MP1_TRUSTED
+obj-$(CONFIG_SYSRESET) += cmd_poweroff.o
+endif
endif
obj-$(CONFIG_ARMV7_PSCI) += psci.o
obj-$(CONFIG_$(SPL_)DM_REGULATOR) += pwr_regulator.o
diff --git a/arch/arm/mach-stm32mp/cmd_poweroff.c b/arch/arm/mach-stm32mp/cmd_poweroff.c
new file mode 100644
index 0000000..f54dd1d
--- /dev/null
+++ b/arch/arm/mach-stm32mp/cmd_poweroff.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * Copyright (C) 2019, STMicroelectronics - All Rights Reserved
+ */
+
+#include <common.h>
+#include <command.h>
+#include <sysreset.h>
+
+int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int ret;
+
+ puts("poweroff ...\n");
+ mdelay(100);
+
+ ret = sysreset_walk(SYSRESET_POWER);
+
+ if (ret == -EINPROGRESS)
+ mdelay(1000);
+
+ /*NOTREACHED when power off*/
+ return CMD_RET_FAILURE;
+}
--
2.7.4
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