ACPI: Add helper fill_fadt_extended_pm_io()

Once platform code has filled in the (legacy) ACPI PM register
map, added function will fill in the extended entries in FADT.

TEST=samsung/lumpy and amd/mandolin FADT stays unchanged.

Change-Id: I90925fce35458cf5480bfefc7cdddebd41b42058
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74913
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>

15 files changed, 34 insertions, 265 deletions

diff --git a/src/soc/intel/alderlake/acpi.c b/src/soc/intel/alderlake/acpi.c
index 9e0e1bd06c..1dc14be767 100644
--- a/src/soc/intel/alderlake/acpi.c
+++ b/src/soc/intel/alderlake/acpi.c
@@ -155,12 +155,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->pm_tmr_len = 4;
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fill_fadt_extended_pm_io(fadt);
 
 	if (config->s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c
index 68153f053e..b84e454fdc 100644
--- a/src/soc/intel/apollolake/acpi.c
+++ b/src/soc/intel/apollolake/acpi.c
@@ -103,14 +103,9 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->pm_tmr_len = 4;
 
-	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
+	fill_fadt_extended_pm_io(fadt);
 
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
+	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
 
 	if (cfg->lpss_s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
diff --git a/src/soc/intel/baytrail/fadt.c b/src/soc/intel/baytrail/fadt.c
index e4e225e42e..7f48253faf 100644
--- a/src/soc/intel/baytrail/fadt.c
+++ b/src/soc/intel/baytrail/fadt.c
@@ -20,6 +20,9 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->pm2_cnt_len = 1;
 	fadt->pm_tmr_len = 4;
 	fadt->gpe0_blk_len = 2 * (GPE0_EN - GPE0_STS);
+
+	fill_fadt_extended_pm_io(fadt);
+
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
 
 	fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
@@ -27,44 +30,4 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 			ACPI_FADT_SEALED_CASE | ACPI_FADT_S4_RTC_WAKE |
 			ACPI_FADT_PLATFORM_CLOCK;
 
-	fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
-	fadt->x_pm1a_evt_blk.bit_offset = 0;
-	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
-	fadt->x_pm1a_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
-	fadt->x_pm1a_cnt_blk.bit_offset = 0;
-	fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
-	fadt->x_pm1a_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
-	/*
-	 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
-	 * The bit_width field intentionally overflows here.
-	 * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
-	 * seems to work fine on Linux 5.0 and Windows 10.
-	 */
-	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
-	fadt->x_gpe0_blk.bit_offset = 0;
-	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
-	fadt->x_gpe0_blk.addrh = 0x0;
 }
diff --git a/src/soc/intel/braswell/fadt.c b/src/soc/intel/braswell/fadt.c
index ac1653d339..749d54b077 100644
--- a/src/soc/intel/braswell/fadt.c
+++ b/src/soc/intel/braswell/fadt.c
@@ -21,51 +21,13 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->pm2_cnt_len = 1;
 	fadt->pm_tmr_len = 4;
 	fadt->gpe0_blk_len = 2 * (GPE0_EN - GPE0_STS);
+
+	fill_fadt_extended_pm_io(fadt);
+
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
 
 	fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
 			ACPI_FADT_SLEEP_BUTTON |
 			ACPI_FADT_SEALED_CASE | ACPI_FADT_S4_RTC_WAKE |
 			ACPI_FADT_PLATFORM_CLOCK;
-
-	fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
-	fadt->x_pm1a_evt_blk.bit_offset = 0;
-	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
-	fadt->x_pm1a_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
-	fadt->x_pm1a_cnt_blk.bit_offset = 0;
-	fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
-	fadt->x_pm1a_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
-	/*
-	 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
-	 * The bit_width field intentionally overflows here.
-	 * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
-	 * seems to work fine on Linux 5.0 and Windows 10.
-	 */
-	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
-	fadt->x_gpe0_blk.bit_offset = 0;
-	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
-	fadt->x_gpe0_blk.addrh = 0x0;
 }
diff --git a/src/soc/intel/broadwell/pch/fadt.c b/src/soc/intel/broadwell/pch/fadt.c
index 4e74d58e47..2f02b0f4a3 100644
--- a/src/soc/intel/broadwell/pch/fadt.c
+++ b/src/soc/intel/broadwell/pch/fadt.c
@@ -20,6 +20,9 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	fadt->pm2_cnt_len = 1;
 	fadt->pm_tmr_len = 4;
 	fadt->gpe0_blk_len = 32;
+
+	fill_fadt_extended_pm_io(fadt);
+
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
 
 	fadt->flags |= ACPI_FADT_WBINVD |
@@ -28,45 +31,4 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 		       ACPI_FADT_SEALED_CASE |
 		       ACPI_FADT_S4_RTC_WAKE |
 		       ACPI_FADT_PLATFORM_CLOCK;
-
-	fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
-	fadt->x_pm1a_evt_blk.bit_offset = 0;
-	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
-	fadt->x_pm1a_evt_blk.addrh = 0x0;
-
-	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
-	fadt->x_pm1a_cnt_blk.bit_offset = 0;
-	fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
-	fadt->x_pm1a_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
-	/*
-	 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
-	 * The bit_width field intentionally overflows here.
-	 * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
-	 * seems to work fine on Linux 5.0 and Windows 10.
-	 */
-	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
-	fadt->x_gpe0_blk.bit_offset = 0;
-	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
-	fadt->x_gpe0_blk.addrh = 0x0;
 }
diff --git a/src/soc/intel/cannonlake/acpi.c b/src/soc/intel/cannonlake/acpi.c
index 4bd00639d4..62462a8882 100644
--- a/src/soc/intel/cannonlake/acpi.c
+++ b/src/soc/intel/cannonlake/acpi.c
@@ -154,12 +154,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->pm_tmr_len = 4;
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fill_fadt_extended_pm_io(fadt);
 
 	if (config->s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index 2c27b1576f..af439a8eb0 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -105,6 +105,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 	/* GPE0 STS/EN pairs each 32 bits wide. */
 	fadt->gpe0_blk_len = 2 * GPE0_REG_MAX * sizeof(uint32_t);
 
+	fill_fadt_extended_pm_io(fadt);
 
 	fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
 			ACPI_FADT_SLEEP_BUTTON |
@@ -112,33 +113,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
 
 	if (CONFIG(USE_PM_ACPI_TIMER))
 		fadt->flags |= ACPI_FADT_PLATFORM_CLOCK;
-
-	fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
-	fadt->x_pm1a_evt_blk.bit_offset = 0;
-	fadt->x_pm1a_evt_blk.addrh = 0x0;
-	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
-	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-
-	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
-	fadt->x_pm1a_cnt_blk.bit_offset = 0;
-	fadt->x_pm1a_cnt_blk.addrh = 0x0;
-	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
-	fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
-
-	/*
-	 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
-	 * The bit_width field intentionally overflows here.
-	 * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
-	 * seems to work fine on Linux 5.0 and Windows 10.
-	 */
-	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
-	fadt->x_gpe0_blk.bit_offset = 0;
-	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
-	fadt->x_gpe0_blk.addrh = 0x0;
 }
 
 unsigned long southbridge_write_acpi_tables(const struct device *device,
diff --git a/src/soc/intel/denverton_ns/acpi.c b/src/soc/intel/denverton_ns/acpi.c
index 6ddcc080fe..d0fde3e7b7 100644
--- a/src/soc/intel/denverton_ns/acpi.c
+++ b/src/soc/intel/denverton_ns/acpi.c
@@ -97,21 +97,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
 
-	/* PM2 Control Registers */
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	/* PM1 Timer Register */
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+	/* PM Extended Registers */
+	fill_fadt_extended_pm_io(fadt);
 }
 
 static acpi_tstate_t denverton_tss_table[] = {
diff --git a/src/soc/intel/elkhartlake/acpi.c b/src/soc/intel/elkhartlake/acpi.c
index 6deee1b43a..f566ce5503 100644
--- a/src/soc/intel/elkhartlake/acpi.c
+++ b/src/soc/intel/elkhartlake/acpi.c
@@ -153,12 +153,9 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->pm_tmr_len = 4;
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fill_fadt_extended_pm_io(fadt);
+
 	fadt->preferred_pm_profile = PM_MOBILE;
 
 	if (config->s0ix_enable)
diff --git a/src/soc/intel/jasperlake/acpi.c b/src/soc/intel/jasperlake/acpi.c
index 4680e4d399..6cf7ef5ee1 100644
--- a/src/soc/intel/jasperlake/acpi.c
+++ b/src/soc/intel/jasperlake/acpi.c
@@ -153,12 +153,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->pm_tmr_len = 4;
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fill_fadt_extended_pm_io(fadt);
 
 	if (config->s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
diff --git a/src/soc/intel/meteorlake/acpi.c b/src/soc/intel/meteorlake/acpi.c
index c6e7cab433..ca4e5e1055 100644
--- a/src/soc/intel/meteorlake/acpi.c
+++ b/src/soc/intel/meteorlake/acpi.c
@@ -156,12 +156,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->pm_tmr_len = 4;
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fill_fadt_extended_pm_io(fadt);
 
 	if (config->s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
diff --git a/src/soc/intel/skylake/fadt.c b/src/soc/intel/skylake/fadt.c
index 68aab47711..5c97f4e2f6 100644
--- a/src/soc/intel/skylake/fadt.c
+++ b/src/soc/intel/skylake/fadt.c
@@ -16,6 +16,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->pm2_cnt_len = 1;
 	fadt->pm_tmr_len = 4;
 
+	fill_fadt_extended_pm_io(fadt);
+
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE;
 	if (!CONFIG(NO_FADT_8042))
 		fadt->iapc_boot_arch |= ACPI_FADT_8042;
@@ -23,17 +25,5 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	if (config->s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
 
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+
 }
diff --git a/src/soc/intel/tigerlake/acpi.c b/src/soc/intel/tigerlake/acpi.c
index 305ba1b072..9ff6e18857 100644
--- a/src/soc/intel/tigerlake/acpi.c
+++ b/src/soc/intel/tigerlake/acpi.c
@@ -153,12 +153,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->pm_tmr_blk = pmbase + PM1_TMR;
 	fadt->pm_tmr_len = 4;
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	fill_fadt_extended_pm_io(fadt);
 
 	if (config->s0ix_enable)
 		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
diff --git a/src/soc/intel/xeon_sp/skx/soc_acpi.c b/src/soc/intel/xeon_sp/skx/soc_acpi.c
index eedf38776a..35e3ea1edb 100644
--- a/src/soc/intel/xeon_sp/skx/soc_acpi.c
+++ b/src/soc/intel/xeon_sp/skx/soc_acpi.c
@@ -50,22 +50,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 
 	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
 
-	/* PM2 Control Registers */
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	/* PM1 Timer Register */
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
+	/* PM Extended Registers */
+	fill_fadt_extended_pm_io(fadt);
 }
 
 void uncore_inject_dsdt(const struct device *device)
diff --git a/src/soc/intel/xeon_sp/spr/soc_acpi.c b/src/soc/intel/xeon_sp/spr/soc_acpi.c
index 933cb97e8d..193b85978a 100644
--- a/src/soc/intel/xeon_sp/spr/soc_acpi.c
+++ b/src/soc/intel/xeon_sp/spr/soc_acpi.c
@@ -49,35 +49,8 @@ void soc_fill_fadt(acpi_fadt_t *fadt)
 	fadt->pm2_cnt_blk = pmbase + PM2_CNT;
 	fadt->pm2_cnt_len = 1;
 
-	/* PM2 Control Registers */
-	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
-	fadt->x_pm2_cnt_blk.bit_offset = 0;
-	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
-	fadt->x_pm2_cnt_blk.addrh = 0x0;
-
-	/* PM1 Timer Register */
-	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
-	fadt->x_pm_tmr_blk.bit_offset = 0;
-	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
-	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
-	fadt->x_pm_tmr_blk.addrh = 0x0;
-
-	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
-	fadt->x_gpe0_blk.bit_offset = 0;
-	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
-	fadt->x_gpe0_blk.addrh = 0x0;
-
-	fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
-	fadt->x_gpe1_blk.bit_width = fadt->gpe1_blk_len * 8;
-	fadt->x_gpe1_blk.bit_offset = 0;
-	fadt->x_gpe1_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
-	fadt->x_gpe1_blk.addrl = fadt->gpe1_blk;
-	fadt->x_gpe1_blk.addrh = 0x0;
+	/* PM Extended Registers */
+	fill_fadt_extended_pm_io(fadt);
 }
 
 static void create_dsdt_iou_pci_resource(uint8_t socket, uint8_t stack, const STACK_RES *ri,