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Diffstat (limited to 'src/cpu/x86/mp_init.c')
-rw-r--r--src/cpu/x86/mp_init.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c
index 637adaa39e..806fc98123 100644
--- a/src/cpu/x86/mp_init.c
+++ b/src/cpu/x86/mp_init.c
@@ -448,14 +448,14 @@ static enum cb_err send_sipi_to_aps(int ap_count, atomic_t *num_aps, int sipi_ve
return CB_SUCCESS;
}
-static int start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
+static enum cb_err start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
{
int sipi_vector;
/* Max location is 4KiB below 1MiB */
const int max_vector_loc = ((1 << 20) - (1 << 12)) >> 12;
if (ap_count == 0)
- return 0;
+ return CB_SUCCESS;
/* The vector is sent as a 4k aligned address in one byte. */
sipi_vector = sipi_vector_location >> 12;
@@ -463,7 +463,7 @@ static int start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
if (sipi_vector > max_vector_loc) {
printk(BIOS_CRIT, "SIPI vector too large! 0x%08x\n",
sipi_vector);
- return -1;
+ return CB_ERR;
}
printk(BIOS_DEBUG, "Attempting to start %d APs\n", ap_count);
@@ -475,7 +475,7 @@ static int start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
printk(BIOS_DEBUG, "Waiting for ICR not to be busy...\n");
if (apic_wait_timeout(1000 /* 1 ms */, 50)) {
printk(BIOS_ERR, "timed out. Aborting.\n");
- return -1;
+ return CB_ERR;
}
printk(BIOS_DEBUG, "done.\n");
}
@@ -490,26 +490,26 @@ static int start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
/* Send 1st Startup IPI (SIPI) */
if (send_sipi_to_aps(ap_count, num_aps, sipi_vector) != CB_SUCCESS)
- return -1;
+ return CB_ERR;
/* Wait for CPUs to check in up to 200 us. */
wait_for_aps(num_aps, ap_count, 200 /* us */, 15 /* us */);
if (CONFIG(X86_AMD_INIT_SIPI))
- return 0;
+ return CB_SUCCESS;
/* Send 2nd SIPI */
if (send_sipi_to_aps(ap_count, num_aps, sipi_vector) != CB_SUCCESS)
- return -1;
+ return CB_ERR;
/* Wait for CPUs to check in. */
if (wait_for_aps(num_aps, ap_count, 100000 /* 100 ms */, 50 /* us */)) {
printk(BIOS_ERR, "Not all APs checked in: %d/%d.\n",
atomic_read(num_aps), ap_count);
- return -1;
+ return CB_ERR;
}
- return 0;
+ return CB_SUCCESS;
}
static int bsp_do_flight_plan(struct mp_params *mp_params)
@@ -637,7 +637,7 @@ static int mp_init(struct bus *cpu_bus, struct mp_params *p)
/* Start the APs providing number of APs and the cpus_entered field. */
global_num_aps = p->num_cpus - 1;
- if (start_aps(cpu_bus, global_num_aps, ap_count) < 0) {
+ if (start_aps(cpu_bus, global_num_aps, ap_count) != CB_SUCCESS) {
mdelay(1000);
printk(BIOS_DEBUG, "%d/%d eventually checked in?\n",
atomic_read(ap_count), global_num_aps);