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-rw-r--r--src/cpu/amd/family_10h-family_15h/init_cpus.c20
-rw-r--r--src/include/cpu/amd/multicore.h1
2 files changed, 21 insertions, 0 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c
index e8e81d2fd8..e2a1bf3688 100644
--- a/src/cpu/amd/family_10h-family_15h/init_cpus.c
+++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c
@@ -299,6 +299,26 @@ void allow_all_aps_stop(u32 bsp_apicid)
lapic_write(LAPIC_MSG_REG, (bsp_apicid << 24) | F10_APSTATE_STOPPED);
}
+static void wait_ap_stopped(u32 ap_apicid, void *gp)
+{
+ u32 timeout;
+ timeout = wait_cpu_state(ap_apicid, F10_APSTATE_ASLEEP, F10_APSTATE_ASLEEP);
+ printk(BIOS_DEBUG, "* AP %02x", ap_apicid);
+ if (timeout) {
+ printk(BIOS_DEBUG, " timed out:%08x\n", timeout);
+ } else {
+ printk(BIOS_DEBUG, "stopped\n");
+ }
+}
+
+void wait_all_other_cores_stopped(u32 bsp_apicid)
+{
+ // all aps other than core0
+ printk(BIOS_DEBUG, "stopped ap apicid: ");
+ for_each_ap(bsp_apicid, 2, -1, wait_ap_stopped, (void *)0);
+ printk(BIOS_DEBUG, "\n");
+}
+
static void enable_apic_ext_id(u32 node)
{
u32 val;
diff --git a/src/include/cpu/amd/multicore.h b/src/include/cpu/amd/multicore.h
index b3a82379b4..0ddf866f64 100644
--- a/src/include/cpu/amd/multicore.h
+++ b/src/include/cpu/amd/multicore.h
@@ -35,6 +35,7 @@ void amd_sibling_init(struct device *cpu);
void wait_all_core0_started(void);
void wait_all_other_cores_started(u32 bsp_apicid);
void wait_all_aps_started(u32 bsp_apicid);
+void wait_all_other_cores_stopped(uint32_t bsp_apicid);
void allow_all_aps_stop(u32 bsp_apicid);
#endif
u32 get_initial_apicid(void);