fix(plat/qemu): reboot/shutdown with low to high gpio
Use low to high gpio sequence to reboot/shutdown qemu machine.
Use low to high gpio pins level change which will cause an interrupt
in qemu virt platform. This change will supported with next qemu 6.1
release once patchset:
hw/arm: Make virt board secure powerdown/reset work
will be merged.
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
CC: Peter Maydell <peter.maydell@linaro.org>
Change-Id: I70979517358c3b587722b2dcb33f63d29bf79d9b
diff --git a/plat/qemu/common/qemu_pm.c b/plat/qemu/common/qemu_pm.c
index c4ffcf9..c2b5091 100644
--- a/plat/qemu/common/qemu_pm.c
+++ b/plat/qemu/common/qemu_pm.c
@@ -208,8 +208,8 @@
#ifdef SECURE_GPIO_BASE
ERROR("QEMU System Power off: with GPIO.\n");
gpio_set_direction(SECURE_GPIO_POWEROFF, GPIO_DIR_OUT);
- gpio_set_value(SECURE_GPIO_POWEROFF, GPIO_LEVEL_HIGH);
gpio_set_value(SECURE_GPIO_POWEROFF, GPIO_LEVEL_LOW);
+ gpio_set_value(SECURE_GPIO_POWEROFF, GPIO_LEVEL_HIGH);
#else
semihosting_exit(ADP_STOPPED_APPLICATION_EXIT, 0);
ERROR("QEMU System Off: semihosting call unexpectedly returned.\n");
@@ -222,8 +222,8 @@
ERROR("QEMU System Reset: with GPIO.\n");
#ifdef SECURE_GPIO_BASE
gpio_set_direction(SECURE_GPIO_RESET, GPIO_DIR_OUT);
- gpio_set_value(SECURE_GPIO_RESET, GPIO_LEVEL_HIGH);
gpio_set_value(SECURE_GPIO_RESET, GPIO_LEVEL_LOW);
+ gpio_set_value(SECURE_GPIO_RESET, GPIO_LEVEL_HIGH);
#else
ERROR("QEMU System Reset: operation not handled.\n");
#endif