21 files changed, 0 insertions, 335 deletions

diff --git a/src/soc/amd/picasso/acpi.c b/src/soc/amd/picasso/acpi.c
index cc575ad7e9..afd9f48774 100644
--- a/src/soc/amd/picasso/acpi.c
+++ b/src/soc/amd/picasso/acpi.c
@@ -99,9 +99,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
-	fadt->pm1b_evt_blk = 0x0000;
 	fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
-	fadt->pm1b_cnt_blk = 0x0000;
 	fadt->pm2_cnt_blk = 0x0000;
 	fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
 	fadt->gpe0_blk = ACPI_GPE0_BLK;
@@ -159,14 +157,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -174,13 +164,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	/*
 	 * Note: Under this current AMD C state implementation, this is no
 	 *       longer used and should not be reported to OS.
diff --git a/src/soc/amd/stoneyridge/acpi.c b/src/soc/amd/stoneyridge/acpi.c
index eb16252d25..0ffeb04ed7 100644
--- a/src/soc/amd/stoneyridge/acpi.c
+++ b/src/soc/amd/stoneyridge/acpi.c
@@ -71,9 +71,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
-	fadt->pm1b_evt_blk = 0x0000;
 	fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
-	fadt->pm1b_cnt_blk = 0x0000;
 	fadt->pm2_cnt_blk = 0x0000;
 	fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
 	fadt->gpe0_blk = ACPI_GPE0_BLK;
@@ -131,14 +129,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -146,13 +136,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	/*
 	 * Note: Under this current AMD C state implementation, this is no
 	 *       longer used and should not be reported to OS.
diff --git a/src/soc/intel/baytrail/fadt.c b/src/soc/intel/baytrail/fadt.c
index 4e57b3ca50..ba38588cfd 100644
--- a/src/soc/intel/baytrail/fadt.c
+++ b/src/soc/intel/baytrail/fadt.c
@@ -20,9 +20,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS;
@@ -63,13 +61,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -77,13 +68,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/soc/intel/braswell/fadt.c b/src/soc/intel/braswell/fadt.c
index 4e57b3ca50..ba38588cfd 100644
--- a/src/soc/intel/braswell/fadt.c
+++ b/src/soc/intel/braswell/fadt.c
@@ -20,9 +20,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS;
@@ -63,13 +61,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -77,13 +68,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/soc/intel/broadwell/fadt.c b/src/soc/intel/broadwell/fadt.c
index 650a512880..eb38593376 100644
--- a/src/soc/intel/broadwell/fadt.c
+++ b/src/soc/intel/broadwell/fadt.c
@@ -19,9 +19,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS(0);
@@ -62,13 +60,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -76,13 +67,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index 96f654e975..279bf69dff 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -104,9 +104,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 
 	fadt->gpe0_blk = pmbase + GPE0_STS(0);
 
@@ -137,16 +135,11 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
 
-
-	fadt->x_pm1b_evt_blk.space_id = 1;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-
 	/*
 	 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
 	 * The bit_width field intentionally overflows here.
diff --git a/src/soc/intel/denverton_ns/acpi.c b/src/soc/intel/denverton_ns/acpi.c
index 7d2d759032..eea324952f 100644
--- a/src/soc/intel/denverton_ns/acpi.c
+++ b/src/soc/intel/denverton_ns/acpi.c
@@ -162,13 +162,6 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
 	fadt->x_pm1a_evt_blk.addrh = 0x00;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = fadt->pm1b_evt_blk;
-	fadt->x_pm1b_evt_blk.addrh = 0x00;
-
 	/* PM1 Control Registers */
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
@@ -177,13 +170,6 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
 	fadt->x_pm1a_cnt_blk.addrh = 0x00;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = fadt->pm1b_cnt_blk;
-	fadt->x_pm1b_cnt_blk.addrh = 0x00;
-
 	/* PM2 Control Registers */
 	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
diff --git a/src/soc/intel/skylake/fadt.c b/src/soc/intel/skylake/fadt.c
index 0103f4e2b0..b2f72e5f0a 100644
--- a/src/soc/intel/skylake/fadt.c
+++ b/src/soc/intel/skylake/fadt.c
@@ -22,9 +22,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS(0);
@@ -71,13 +69,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -85,13 +76,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/soc/intel/xeon_sp/cpx/acpi.c b/src/soc/intel/xeon_sp/cpx/acpi.c
index c02fb70434..b595e02390 100644
--- a/src/soc/intel/xeon_sp/cpx/acpi.c
+++ b/src/soc/intel/xeon_sp/cpx/acpi.c
@@ -283,9 +283,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->sci_int = SCI_INT_NUM;
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 
 	fadt->gpe0_blk = pmbase + GPE0_STS(0);
 
@@ -313,14 +311,10 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-
 	if (permanent_smi_handler()) {
 		fadt->smi_cmd = APM_CNT;
 		fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
diff --git a/src/soc/intel/xeon_sp/skx/acpi.c b/src/soc/intel/xeon_sp/skx/acpi.c
index 8999312a94..7148a478e0 100644
--- a/src/soc/intel/xeon_sp/skx/acpi.c
+++ b/src/soc/intel/xeon_sp/skx/acpi.c
@@ -269,13 +269,6 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
 	fadt->x_pm1a_evt_blk.addrh = 0x00;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = fadt->pm1b_evt_blk;
-	fadt->x_pm1b_evt_blk.addrh = 0x00;
-
 	/* PM1 Control Registers */
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
@@ -284,13 +277,6 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
 	fadt->x_pm1a_cnt_blk.addrh = 0x00;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = fadt->pm1b_cnt_blk;
-	fadt->x_pm1b_cnt_blk.addrh = 0x00;
-
 	/* PM2 Control Registers */
 	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
@@ -332,9 +318,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS(0);
@@ -378,13 +362,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -392,13 +369,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/amd/agesa/hudson/fadt.c b/src/southbridge/amd/agesa/hudson/fadt.c
index 570336c79c..e5791fe374 100644
--- a/src/southbridge/amd/agesa/hudson/fadt.c
+++ b/src/southbridge/amd/agesa/hudson/fadt.c
@@ -35,9 +35,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
-	fadt->pm1b_evt_blk = 0x0000;
 	fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
-	fadt->pm1b_cnt_blk = 0x0000;
 	fadt->pm2_cnt_blk = 0x0000;
 	fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
 	fadt->gpe0_blk = ACPI_GPE0_BLK;
@@ -92,14 +90,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -107,13 +97,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	/*
 	 * Note: Under this current AMD C state implementation, this is no longer
 	 *       used and should not be reported to OS.
diff --git a/src/southbridge/amd/cimx/sb800/fadt.c b/src/southbridge/amd/cimx/sb800/fadt.c
index 63633b8025..c96d713f7d 100644
--- a/src/southbridge/amd/cimx/sb800/fadt.c
+++ b/src/southbridge/amd/cimx/sb800/fadt.c
@@ -59,9 +59,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	/* RTC_En_En, TMR_En_En, GBL_EN_EN */
 	outl(0x1, PM1_CNT_BLK_ADDRESS);		  /* set SCI_EN */
 	fadt->pm1a_evt_blk = PM1_EVT_BLK_ADDRESS;
-	fadt->pm1b_evt_blk = 0x0000;
 	fadt->pm1a_cnt_blk = PM1_CNT_BLK_ADDRESS;
-	fadt->pm1b_cnt_blk = 0x0000;
 	fadt->pm2_cnt_blk = ACPI_PMA_CNT_BLK_ADDRESS;
 	fadt->pm_tmr_blk = PM1_TMR_BLK_ADDRESS;
 	fadt->gpe0_blk = GPE0_BLK_ADDRESS;
@@ -114,14 +112,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = PM1_EVT_BLK_ADDRESS;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -129,14 +119,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = PM1_CNT_BLK_ADDRESS;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
-
 	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm2_cnt_blk.bit_width = 8;	/* Hudson 1 Pm2Control is 8 bits */
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/amd/pi/hudson/fadt.c b/src/southbridge/amd/pi/hudson/fadt.c
index 8b51b664c2..16052dc81f 100644
--- a/src/southbridge/amd/pi/hudson/fadt.c
+++ b/src/southbridge/amd/pi/hudson/fadt.c
@@ -35,9 +35,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
-	fadt->pm1b_evt_blk = 0x0000;
 	fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
-	fadt->pm1b_cnt_blk = 0x0000;
 	fadt->pm2_cnt_blk = 0x0000;
 	fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
 	fadt->gpe0_blk = ACPI_GPE0_BLK;
@@ -95,14 +93,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = ACPI_PM_EVT_BLK;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -110,13 +100,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = ACPI_PM1_CNT_BLK;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	/*
 	 * Note: Under this current AMD C state implementation, this is no longer
 	 *       used and should not be reported to OS.
diff --git a/src/southbridge/intel/bd82x6x/fadt.c b/src/southbridge/intel/bd82x6x/fadt.c
index a65a310d5d..40cddb953e 100644
--- a/src/southbridge/intel/bd82x6x/fadt.c
+++ b/src/southbridge/intel/bd82x6x/fadt.c
@@ -23,9 +23,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + 0x4;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + 0x50;
 	fadt->pm_tmr_blk = pmbase + 0x8;
 	fadt->gpe0_blk = pmbase + 0x20;
@@ -82,13 +80,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -96,13 +87,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/intel/i82371eb/fadt.c b/src/southbridge/intel/i82371eb/fadt.c
index ee0b62eca1..d08742f80c 100644
--- a/src/southbridge/intel/i82371eb/fadt.c
+++ b/src/southbridge/intel/i82371eb/fadt.c
@@ -25,9 +25,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = DEFAULT_PMBASE;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = DEFAULT_PMBASE + PMCNTRL;
-	fadt->pm1b_cnt_blk = 0x0;
 
 	fadt->pm2_cnt_blk = 0;
 	fadt->pm_tmr_blk = DEFAULT_PMBASE + PMTMR;
@@ -124,13 +122,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = fadt->pm1_evt_len * 8;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm1b_evt_blk.addrl = fadt->pm1b_evt_blk;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -138,13 +129,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1b_cnt_blk.addrl = fadt->pm1b_cnt_blk;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/intel/i82801dx/fadt.c b/src/southbridge/intel/i82801dx/fadt.c
index 288268d8d2..52e2566f76 100644
--- a/src/southbridge/intel/i82801dx/fadt.c
+++ b/src/southbridge/intel/i82801dx/fadt.c
@@ -31,9 +31,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + 0x4;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = 0x0;
 	fadt->pm_tmr_blk = pmbase + 0x8;
 	fadt->gpe0_blk = pmbase + 0x28;
@@ -75,13 +73,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -89,13 +80,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = 0;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/intel/i82801gx/fadt.c b/src/southbridge/intel/i82801gx/fadt.c
index fd4f7817ed..200e7e51b9 100644
--- a/src/southbridge/intel/i82801gx/fadt.c
+++ b/src/southbridge/intel/i82801gx/fadt.c
@@ -25,9 +25,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS;
@@ -73,13 +71,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16; /* Upper word is reserved and
 						Linux complains about 32 bit. */
@@ -88,13 +79,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/intel/i82801ix/fadt.c b/src/southbridge/intel/i82801ix/fadt.c
index c5327b234a..1fd8f73e3b 100644
--- a/src/southbridge/intel/i82801ix/fadt.c
+++ b/src/southbridge/intel/i82801ix/fadt.c
@@ -21,9 +21,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS;
@@ -64,13 +62,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16; /* Upper word is reserved and
 						Linux complains about 32 bit. */
@@ -79,13 +70,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/intel/i82801jx/fadt.c b/src/southbridge/intel/i82801jx/fadt.c
index 4d66670b42..45003f0698 100644
--- a/src/southbridge/intel/i82801jx/fadt.c
+++ b/src/southbridge/intel/i82801jx/fadt.c
@@ -24,9 +24,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->gpe0_blk = pmbase + GPE0_STS;
@@ -69,13 +67,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16; /* Upper word is reserved and
 						Linux complains about 32 bit. */
@@ -84,13 +75,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_MEMORY;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = ACPI_ACCESS_SIZE_UNDEFINED;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/intel/ibexpeak/fadt.c b/src/southbridge/intel/ibexpeak/fadt.c
index dd988910ba..a4fed96880 100644
--- a/src/southbridge/intel/ibexpeak/fadt.c
+++ b/src/southbridge/intel/ibexpeak/fadt.c
@@ -23,9 +23,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + 0x4;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + 0x50;
 	fadt->pm_tmr_blk = pmbase + 0x8;
 	fadt->gpe0_blk = pmbase + 0x20;
@@ -81,13 +79,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = 1;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = 1;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -95,13 +86,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + 0x4;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = 1;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = 1;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;
diff --git a/src/southbridge/intel/lynxpoint/fadt.c b/src/southbridge/intel/lynxpoint/fadt.c
index 995532c7eb..05189de60c 100644
--- a/src/southbridge/intel/lynxpoint/fadt.c
+++ b/src/southbridge/intel/lynxpoint/fadt.c
@@ -21,9 +21,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	}
 
 	fadt->pm1a_evt_blk = pmbase + PM1_STS;
-	fadt->pm1b_evt_blk = 0x0;
 	fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
-	fadt->pm1b_cnt_blk = 0x0;
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	if (pch_is_lp())
@@ -85,13 +83,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
 	fadt->x_pm1a_evt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_evt_blk.bit_width = 0;
-	fadt->x_pm1b_evt_blk.bit_offset = 0;
-	fadt->x_pm1b_evt_blk.access_size = 0;
-	fadt->x_pm1b_evt_blk.addrl = 0x0;
-	fadt->x_pm1b_evt_blk.addrh = 0x0;
-
 	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm1a_cnt_blk.bit_width = 16;
 	fadt->x_pm1a_cnt_blk.bit_offset = 0;
@@ -99,13 +90,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
 	fadt->x_pm1a_cnt_blk.addrh = 0x0;
 
-	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1b_cnt_blk.bit_width = 0;
-	fadt->x_pm1b_cnt_blk.bit_offset = 0;
-	fadt->x_pm1b_cnt_blk.access_size = 0;
-	fadt->x_pm1b_cnt_blk.addrl = 0x0;
-	fadt->x_pm1b_cnt_blk.addrh = 0x0;
-
 	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 	fadt->x_pm2_cnt_blk.bit_width = 8;
 	fadt->x_pm2_cnt_blk.bit_offset = 0;