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fix(rpi3_pm): fix RPi4 fails to boot secondary core at second time by PSCI #1988

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fix(rpi3_pm): fix RPi4 fails to boot secondary core at second time by PSCI #1988

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18 changes: 4 additions & 14 deletions plat/rpi/common/rpi3_pm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -123,15 +123,6 @@ static void rpi3_pwr_domain_off(const psci_power_state_t *target_state)
#endif
}

void __dead2 plat_secondary_cold_boot_setup(void);

static void __dead2
rpi3_pwr_domain_pwr_down_wfi(const psci_power_state_t *target_state)
{
disable_mmu_el3();
plat_secondary_cold_boot_setup();
}

/*******************************************************************************
* Platform handler called when a power domain is about to be turned on. The
* mpidr determines the CPU to be turned on.
Expand Down Expand Up @@ -174,6 +165,8 @@ static void rpi3_pwr_domain_on_finish(const psci_power_state_t *target_state)
#endif
}

void __dead2 plat_secondary_cold_boot_setup(void);

static void __dead2 rpi3_pwr_down_wfi(
const psci_power_state_t *target_state)
{
Expand All @@ -194,10 +187,8 @@ static void __dead2 rpi3_pwr_down_wfi(
isb();
}

write_rmr_el3(RMR_EL3_RR_BIT | RMR_EL3_AA64_BIT);

while (1)
;
disable_mmu_el3();
plat_secondary_cold_boot_setup(); /* not return */
}

/*******************************************************************************
Expand Down Expand Up @@ -262,7 +253,6 @@ static void __dead2 rpi3_system_off(void)
static const plat_psci_ops_t plat_rpi3_psci_pm_ops = {
.cpu_standby = rpi3_cpu_standby,
.pwr_domain_off = rpi3_pwr_domain_off,
.pwr_domain_pwr_down_wfi = rpi3_pwr_domain_pwr_down_wfi,
.pwr_domain_on = rpi3_pwr_domain_on,
.pwr_domain_on_finish = rpi3_pwr_domain_on_finish,
.pwr_domain_pwr_down_wfi = rpi3_pwr_down_wfi,
Expand Down