diff options
Diffstat (limited to 'src/arch/arm64/cpu_ramstage.c')
| -rw-r--r-- | src/arch/arm64/cpu_ramstage.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/arch/arm64/cpu_ramstage.c b/src/arch/arm64/cpu_ramstage.c index f28667861b..ce81f9399d 100644 --- a/src/arch/arm64/cpu_ramstage.c +++ b/src/arch/arm64/cpu_ramstage.c @@ -23,6 +23,7 @@ #include <cpu/cpu.h> #include <console/console.h> #include <gic.h> +#include <timer.h> #include "cpu-internal.h" static inline void cpu_disable_dev(device_t dev) @@ -191,6 +192,7 @@ void arch_initialize_cpus(device_t cluster, struct cpu_control_ops *cntrl_ops) for (i = 0; i < max_cpus; i++) { device_t dev; struct cpu_action action; + struct stopwatch sw; ci = cpu_info_for_cpu(i); dev = ci->cpu; @@ -211,9 +213,23 @@ void arch_initialize_cpus(device_t cluster, struct cpu_control_ops *cntrl_ops) "Failed to start CPU%x\n", ci->id); continue; } + stopwatch_init_msecs_expire(&sw, 1000); /* Wait for CPU to come online. */ - while (!cpu_online(ci)); - printk(BIOS_DEBUG, "CPU%x online.\n", ci->id); + while (!stopwatch_expired(&sw)) { + if (!cpu_online(ci)) + continue; + printk(BIOS_DEBUG, + "CPU%x online in %ld usecs.\n", + ci->id, stopwatch_duration_usecs(&sw)); + break; + } + } + + if (!cpu_online(ci)) { + printk(BIOS_DEBUG, + "CPU%x failed to come online in %ld usecs.\n", + ci->id, stopwatch_duration_usecs(&sw)); + continue; } /* Send it the init action. */ |