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cpu/x86/lapic: Add lapic_busy() helper

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Change-Id: Ife127d6dc8241cccb9d52236a9152da707f0e261
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55191
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Arthur Heymans
2021-05-21 09:32:45 +02:00
committed by Kyösti Mälkki
parent 6f77ff7ba5
commit a4ceba4ae5
3 changed files with 20 additions and 12 deletions
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10
src/cpu/x86/mp_init.c
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@@ -403,7 +403,7 @@ static int apic_wait_timeout(int total_delay, int delay_step)
int total = 0;
int timeout = 0;
while (lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY) {
while (lapic_busy()) {
udelay(delay_step);
total += delay_step;
if (total >= total_delay) {
@@ -457,7 +457,7 @@ static int start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
return 0;
}
if ((lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY)) {
if (lapic_busy()) {
printk(BIOS_DEBUG, "Waiting for ICR not to be busy...");
if (apic_wait_timeout(1000 /* 1 ms */, 50)) {
printk(BIOS_ERR, "timed out. Aborting.\n");
@@ -472,7 +472,7 @@ static int start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
mdelay(10);
/* Send 1st SIPI */
if ((lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY)) {
if (lapic_busy()) {
printk(BIOS_DEBUG, "Waiting for ICR not to be busy...");
if (apic_wait_timeout(1000 /* 1 ms */, 50)) {
printk(BIOS_ERR, "timed out. Aborting.\n");
@@ -497,7 +497,7 @@ static int start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_aps)
return 0;
/* Send 2nd SIPI */
if ((lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY)) {
if (lapic_busy()) {
printk(BIOS_DEBUG, "Waiting for ICR not to be busy...");
if (apic_wait_timeout(1000 /* 1 ms */, 50)) {
printk(BIOS_ERR, "timed out. Aborting.\n");
@@ -676,7 +676,7 @@ void smm_initiate_relocation_parallel(void)
return;
}
if ((lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY)) {
if (lapic_busy()) {
printk(BIOS_DEBUG, "Waiting for ICR not to be busy...");
if (apic_wait_timeout(1000 /* 1 ms */, 50)) {
printk(BIOS_DEBUG, "timed out. Aborting.\n");