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mediatek: mt8183: support system reset 

Implement system reset handler.

Change-Id: I535ee414616dde8d2b59dec5a723a540a3a1341d
Signed-off-by: kenny liang <kenny.liang@mediatek.com>
This commit is contained in:
kenny liang 2019-05-03 17:02:46 +08:00
parent a561205724
commit 3d91c9c382
1 changed files with 17 additions and 2 deletions
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19
plat/mediatek/mt8183/plat_pm.c
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@ -17,11 +17,13 @@
#include <scu.h>
#include <mt_gic_v3.h>
#include <mtk_plat_common.h>
#include <mtgpio.h>
#include <mtspmc.h>
#include <power_tracer.h>
#include <plat_dcm.h>
#include <plat_debug.h>
#include <plat_params.h>
#include <plat_private.h>
#include <power_tracer.h>
#include <pmic.h>
#include <rtc.h>
@ -132,6 +134,19 @@ static void __dead2 plat_mtk_system_off(void)
panic();
}
static void __dead2 plat_mtk_system_reset(void)
{
struct bl_aux_gpio_info *gpio_reset = plat_get_mtk_gpio_reset();
INFO("MTK System Reset\n");
mt_set_gpio_out(gpio_reset->index, gpio_reset->polarity);
wfi();
ERROR("MTK System Reset: operation not handled.\n");
panic();
}
/*******************************************************************************
* MTK_platform handler called when an affinity instance is about to be turned
* on. The level and mpidr determine the affinity instance.
@ -144,7 +159,7 @@ static const plat_psci_ops_t plat_plat_pm_ops = {
.pwr_domain_suspend = NULL,
.pwr_domain_suspend_finish = NULL,
.system_off = plat_mtk_system_off,
.system_reset = NULL,
.system_reset = plat_mtk_system_reset,
.validate_power_state = NULL,
.get_sys_suspend_power_state = NULL,
};