diff --git a/drivers/renesas/rcar/pwrc/pwrc.c b/drivers/renesas/rcar/pwrc/pwrc.c index b005caff69a57ee5ed903e2581ae20d98ed2588d..d7f088094b884294efd77596dae1c1e9ad5002b3 100644 --- a/drivers/renesas/rcar/pwrc/pwrc.c +++ b/drivers/renesas/rcar/pwrc/pwrc.c @@ -768,3 +768,43 @@ count_ca57: done: return count; } + +int32_t rcar_pwrc_cpu_on_check(uint64_t mpidr) +{ + uint64_t i; + uint64_t j; + uint64_t cpu_count; + uintptr_t reg_PSTR; + uint32_t status; + uint64_t my_cpu; + int32_t rtn; + uint32_t my_cluster_type; + + const uint32_t cluster_type[PLATFORM_CLUSTER_COUNT] = { + RCAR_CLUSTER_CA53, + RCAR_CLUSTER_CA57 + }; + const uintptr_t registerPSTR[PLATFORM_CLUSTER_COUNT] = { + RCAR_CA53PSTR, + RCAR_CA57PSTR + }; + + my_cluster_type = rcar_pwrc_get_cluster(); + + rtn = 0; + my_cpu = mpidr & ((uint64_t)(MPIDR_CPU_MASK)); + for (i = 0U; i < ((uint64_t)(PLATFORM_CLUSTER_COUNT)); i++) { + cpu_count = rcar_pwrc_get_cpu_num(cluster_type[i]); + reg_PSTR = registerPSTR[i]; + for (j = 0U; j < cpu_count; j++) { + if ((my_cluster_type != cluster_type[i]) || (my_cpu != j)) { + status = mmio_read_32(reg_PSTR) >> (j * 4U); + if ((status & 0x00000003U) == 0U) { + rtn--; + } + } + } + } + return (rtn); + +} diff --git a/drivers/renesas/rcar/pwrc/pwrc.h b/drivers/renesas/rcar/pwrc/pwrc.h index 3cdac694c9e6f82875fd9e050034964141bcde53..d4d6fc4412d03bee4bdc89efba798fd18770f6cd 100644 --- a/drivers/renesas/rcar/pwrc/pwrc.h +++ b/drivers/renesas/rcar/pwrc/pwrc.h @@ -44,6 +44,7 @@ void rcar_pwrc_enable_interrupt_wakeup(uint64_t mpidr); void rcar_pwrc_clusteroff(uint64_t mpidr); void rcar_pwrc_cpuoff(uint64_t mpidr); void rcar_pwrc_cpuon(uint64_t mpidr); +int32_t rcar_pwrc_cpu_on_check(uint64_t mpidr); void rcar_pwrc_setup(void); uint32_t rcar_pwrc_get_cpu_wkr(uint64_t mpidr); diff --git a/plat/renesas/rcar/plat_pm.c b/plat/renesas/rcar/plat_pm.c index 245a45a32d310f408f519ea174edd66042d70069..47eda9a0218fe4b82866b8a21298f7b3330bbc9e 100644 --- a/plat/renesas/rcar/plat_pm.c +++ b/plat/renesas/rcar/plat_pm.c @@ -175,7 +175,7 @@ static void __dead2 rcar_system_off(void) uint64_t cpu = read_mpidr_el1() & 0x0000ffff; int32_t rtn_on; - rtn_on = cpu_on_check(cpu); + rtn_on = rcar_pwrc_cpu_on_check(cpu); if (cpu == rcar_boot_mpidr) panic();