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authorAaron Durbin <adurbin@chromium.org>2016-05-03 15:56:24 -0500
committerAaron Durbin <adurbin@chromium.org>2016-05-06 16:43:56 +0200
commite72b9d483fd807f94385933ca78e62b084e25536 (patch)
tree6f82c1d0e0b92004060d80903fbf98de1f1e8fcf /src/soc/intel/apollolake
parentbbe4a7e9446809862d635d329032750894658d00 (diff)
soc/intel/apollolake: convert to using common MP init
In order to reduce duplication of code use the common MP initialization flow. Change-Id: I8cfb5ba6f6a31fecde2ce3bf997f87c4486ab3ab Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/14594 Tested-by: build bot (Jenkins) Reviewed-by: Hannah Williams <hannah.williams@intel.com> Reviewed-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc/intel/apollolake')
-rw-r--r--src/soc/intel/apollolake/cpu.c43
1 files changed, 18 insertions, 25 deletions
diff --git a/src/soc/intel/apollolake/cpu.c b/src/soc/intel/apollolake/cpu.c
index 21cd33af39..99cb5adb89 100644
--- a/src/soc/intel/apollolake/cpu.c
+++ b/src/soc/intel/apollolake/cpu.c
@@ -56,12 +56,25 @@ static void read_cpu_topology(unsigned int *num_phys, unsigned int *num_virt)
* creates the MTRR solution that the APs will use. Otherwise APs will try to
* apply the incomplete solution as the BSP is calculating it.
*/
-static void bsp_pre_mp_setup(void)
+static void pre_mp_init(void)
{
x86_setup_mtrrs_with_detect();
x86_mtrr_check();
}
+/* Find CPU topology */
+static int get_cpu_count(void)
+{
+ unsigned int num_virt_cores, num_phys_cores;
+
+ read_cpu_topology(&num_phys_cores, &num_virt_cores);
+
+ printk(BIOS_DEBUG, "Detected %u core, %u thread CPU.\n",
+ num_phys_cores, num_virt_cores);
+
+ return num_virt_cores;
+}
+
/*
* CPU initialization recipe
*
@@ -69,34 +82,14 @@ static void bsp_pre_mp_setup(void)
* the microcode on all cores before releasing them from reset. That means that
* the BSP and all APs will come up with the same microcode revision.
*/
-static struct mp_flight_record flight_plan[] = {
- /* NOTE: MTRR solution must be calculated before firing up the APs */
- MP_FR_NOBLOCK_APS(mp_initialize_cpu, mp_initialize_cpu),
+static const struct mp_ops mp_ops = {
+ .pre_mp_init = pre_mp_init,
+ .get_cpu_count = get_cpu_count,
};
void apollolake_init_cpus(device_t dev)
{
- unsigned int num_virt_cores, num_phys_cores;
-
- /* Pre-flight check */
- bsp_pre_mp_setup();
-
- /* Find CPU topology */
- read_cpu_topology(&num_phys_cores, &num_virt_cores);
- printk(BIOS_DEBUG, "Detected %u core, %u thread CPU.\n",
- num_phys_cores, num_virt_cores);
-
- /* Systems check */
- struct mp_params flight_data_recorder = {
- .num_cpus = num_virt_cores,
- .parallel_microcode_load = 0,
- .microcode_pointer = NULL,
- .adjust_apic_id = NULL,
- .flight_plan = flight_plan,
- .num_records = ARRAY_SIZE(flight_plan),
- };
-
/* Clear for take-off */
- if (mp_init(dev->link_list, &flight_data_recorder) < 0)
+ if (mp_init_with_smm(dev->link_list, &mp_ops) < 0)
printk(BIOS_ERR, "MP initialization failure.\n");
}