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Diffstat (limited to 'src/soc/intel/cannonlake/cpu.c')
-rw-r--r--src/soc/intel/cannonlake/cpu.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/src/soc/intel/cannonlake/cpu.c b/src/soc/intel/cannonlake/cpu.c
index 7dae615350..7eb413caa6 100644
--- a/src/soc/intel/cannonlake/cpu.c
+++ b/src/soc/intel/cannonlake/cpu.c
@@ -105,8 +105,8 @@ void set_power_limits(u8 power_limit_1_time)
unsigned int power_unit;
unsigned int tdp, min_power, max_power, max_time, tdp_pl2, tdp_pl1;
u8 power_limit_1_val;
- struct device *dev = SA_DEV_ROOT;
- config_t *conf = dev->chip_info;
+
+ config_t *conf = config_of_path(SA_DEVFN_ROOT);
if (power_limit_1_time > ARRAY_SIZE(power_limit_time_sec_to_msr))
power_limit_1_time = 28;
@@ -234,11 +234,10 @@ static void soc_fsp_load(void)
static void configure_isst(void)
{
- struct device *dev = SA_DEV_ROOT;
- config_t *conf = dev->chip_info;
+ config_t *conf = config_of_path(SA_DEVFN_ROOT);
msr_t msr;
- if (conf && conf->speed_shift_enable) {
+ if (conf->speed_shift_enable) {
/*
* Kernel driver checks CPUID.06h:EAX[Bit 7] to determine if HWP
* is supported or not. coreboot needs to configure MSR 0x1AA
@@ -260,12 +259,7 @@ static void configure_isst(void)
static void configure_misc(void)
{
- struct device *dev = SA_DEV_ROOT;
- if (!dev) {
- printk(BIOS_ERR, "SA_DEV_ROOT device not found!\n");
- return;
- }
- config_t *conf = dev->chip_info;
+ config_t *conf = config_of_path(SA_DEVFN_ROOT);
msr_t msr;
msr = rdmsr(IA32_MISC_ENABLE);
@@ -367,8 +361,7 @@ static void configure_c_states(void)
static void configure_thermal_target(void)
{
- struct device *dev = SA_DEV_ROOT;
- config_t *conf = dev->chip_info;
+ config_t *conf = config_of_path(SA_DEVFN_ROOT);
msr_t msr;
/* Set TCC activation offset if supported */