diff --git a/src/southbridge/intel/i82371eb/acpi_tables.c b/src/southbridge/intel/i82371eb/acpi_tables.c
index a4cd1b3102..a9b9949fdf 100644
--- a/src/southbridge/intel/i82371eb/acpi_tables.c
+++ b/src/southbridge/intel/i82371eb/acpi_tables.c
@@ -8,10 +8,12 @@
 
 static void generate_cpu_entry(int cpu)
 {
-	int pcontrol_blk = DEFAULT_PMBASE + PCNTRL, plen = 6;
+	acpigen_write_processor_device(cpu);
 
-	acpigen_write_processor(cpu, pcontrol_blk, plen);
-	acpigen_pop_len();
+	/* bit 1:3 in PCNTRL reg (pmbase+0x10) */
+	acpigen_write_PTC(3, 1, DEFAULT_PMBASE + PCNTRL);
+
+	acpigen_write_processor_device_end();
 }
 
 void generate_cpu_entries(const struct device *device)
diff --git a/src/southbridge/intel/i82371eb/fadt.c b/src/southbridge/intel/i82371eb/fadt.c
index 43e119b746..551ec8fbde 100644
--- a/src/southbridge/intel/i82371eb/fadt.c
+++ b/src/southbridge/intel/i82371eb/fadt.c
@@ -29,9 +29,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->pm_tmr_len = 4;
 	fadt->gpe0_blk_len = 4;
 
-	fadt->duty_offset = 1; /* bit 1:3 in PCNTRL reg (pmbase+0x10) */
-	fadt->duty_width = 3; /* this width is in bits */
-
 	/*
 	 * bit  meaning
 	 * 0    1: We have user-visible legacy devices