board: x86: enable system timer clock frequency at run time

najumon1980 · jhedberg · commit 8eabf80159e2 · 2024-05-04T13:24:12.000+03:00
add support for retrieve runtime clock frequency (HW clock
cycle per sec) for APIC TSC timer for various Intel platforms

Signed-off-by: Najumon B.A &lt;najumon.ba@intel.com&gt;
diff --git a/boards/acrn/acrn/acrn_defconfig b/boards/acrn/acrn/acrn_defconfig
@@ -9,8 +9,8 @@ CONFIG_X2APIC=y
 CONFIG_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=25000000
 CONFIG_BUILD_OUTPUT_BIN=y
 CONFIG_SHELL_BACKEND_SERIAL_INTERRUPT_DRIVEN=n
 CONFIG_KERNEL_VM_SIZE=0x1000000
 CONFIG_BUILD_NO_GAP_FILL=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/acrn/acrn/acrn_ehl_crb_defconfig b/boards/acrn/acrn/acrn_ehl_crb_defconfig
@@ -9,11 +9,11 @@ CONFIG_PCIE=y
 CONFIG_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=1900000000
 CONFIG_BUILD_OUTPUT_BIN=y
 CONFIG_SHELL_BACKEND_SERIAL_INTERRUPT_DRIVEN=n
 CONFIG_KERNEL_VM_SIZE=0x1000000
 CONFIG_BUILD_NO_GAP_FILL=y
 CONFIG_APIC_TSC_DEADLINE_TIMER=y
 CONFIG_APIC_TIMER_IRQ_PRIORITY=1
 CONFIG_SMP=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/intel/adl/intel_adl_crb_defconfig b/boards/intel/adl/intel_adl_crb_defconfig
@@ -10,3 +10,4 @@ CONFIG_X2APIC=y
 CONFIG_SMP=y
 CONFIG_BUILD_OUTPUT_EFI=y
 CONFIG_BUILD_NO_GAP_FILL=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/intel/adl/intel_adl_rvp_defconfig b/boards/intel/adl/intel_adl_rvp_defconfig
@@ -10,3 +10,4 @@ CONFIG_X2APIC=y
 CONFIG_SMP=y
 CONFIG_BUILD_OUTPUT_EFI=y
 CONFIG_BUILD_NO_GAP_FILL=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/intel/ehl/intel_ehl_crb_defconfig b/boards/intel/ehl/intel_ehl_crb_defconfig
@@ -10,3 +10,4 @@ CONFIG_SMP=y
 CONFIG_BUILD_OUTPUT_EFI=y
 CONFIG_BUILD_NO_GAP_FILL=y
 CONFIG_PCIE_PRT=n
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/intel/rpl/intel_rpl_p_crb_defconfig b/boards/intel/rpl/intel_rpl_p_crb_defconfig
@@ -11,3 +11,4 @@ CONFIG_X2APIC=y
 CONFIG_SMP=y
 CONFIG_BUILD_OUTPUT_EFI=y
 CONFIG_BUILD_NO_GAP_FILL=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/intel/rpl/intel_rpl_s_crb_defconfig b/boards/intel/rpl/intel_rpl_s_crb_defconfig
@@ -11,3 +11,4 @@ CONFIG_X2APIC=y
 CONFIG_SMP=y
 CONFIG_BUILD_OUTPUT_EFI=y
 CONFIG_BUILD_NO_GAP_FILL=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/up-bridge-the-gap/up_squared/up_squared_defconfig b/boards/up-bridge-the-gap/up_squared/up_squared_defconfig
@@ -10,6 +10,4 @@ CONFIG_X2APIC=y
 CONFIG_SMP=y
 CONFIG_BUILD_OUTPUT_EFI=y
 CONFIG_BUILD_NO_GAP_FILL=y
-
-CONFIG_APIC_TSC_DEADLINE_TIMER=n
-CONFIG_HPET_TIMER=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
diff --git a/boards/up-bridge-the-gap/up_squared_pro_7000/up_squared_pro_7000_defconfig b/boards/up-bridge-the-gap/up_squared_pro_7000/up_squared_pro_7000_defconfig
@@ -10,3 +10,4 @@ CONFIG_X2APIC=y
 CONFIG_SMP=y
 CONFIG_BUILD_OUTPUT_EFI=y
 CONFIG_BUILD_NO_GAP_FILL=y
+CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y
