diff options
Diffstat (limited to 'plat/freescale/imx8mq/imx8m_psci.c')
| -rw-r--r-- | plat/freescale/imx8mq/imx8m_psci.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/plat/freescale/imx8mq/imx8m_psci.c b/plat/freescale/imx8mq/imx8m_psci.c index 117188b7..132468e1 100644 --- a/plat/freescale/imx8mq/imx8m_psci.c +++ b/plat/freescale/imx8mq/imx8m_psci.c @@ -44,6 +44,8 @@ #define GPC_CPU_PGC_SW_PUP_REQ 0xf0 #define GPC_CPU_PGC_SW_PDN_REQ 0xfc +#define SNVS_LPCR 0x38 + extern void imx_gpc_set_core_pdn_pup_by_software(unsigned int cpu, bool pdn); extern void imx_gpc_set_cpu_power_gate_by_wfi(unsigned int cpu, bool pdn); @@ -211,6 +213,16 @@ void __attribute__((noreturn)) imx_system_reset(void) ; } +void __attribute__((noreturn)) imx_system_off(void) +{ + mmio_write_32(IMX_SNVS_BASE + SNVS_LPCR, 0x61); + + tf_printf("Unable to poweroff system\n"); + + while (1) + ; +} + static const plat_psci_ops_t imx_plat_psci_ops = { .pwr_domain_on = imx_pwr_domain_on, .pwr_domain_on_finish = imx_pwr_domain_on_finish, @@ -222,6 +234,7 @@ static const plat_psci_ops_t imx_plat_psci_ops = { .pwr_domain_suspend_finish = imx_domain_suspend_finish, .get_sys_suspend_power_state = imx_get_sys_suspend_power_state, .system_reset = imx_system_reset, + .system_off = imx_system_off, }; /* export the platform specific psci ops */ |