sb/intel/i82801gx: Detect if the southbridge supports AHCI

This automatically detects whether the southbridge supports AHCI.
If AHCI support is selected it will be used unless "sata_no_ahci" is
set in the devicetree to override the behavior.

Change-Id: I8d9f4e63ae8b2862c422938f3103c44e761bcda4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30822
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

22 files changed, 0 insertions, 22 deletions

diff --git a/src/mainboard/apple/macbook21/devicetree.cb b/src/mainboard/apple/macbook21/devicetree.cb
index 9da3891a72..5ce28a27a9 100644
--- a/src/mainboard/apple/macbook21/devicetree.cb
+++ b/src/mainboard/apple/macbook21/devicetree.cb
@@ -64,7 +64,6 @@ chip northbridge/intel/i945
 			register "gpi1_routing" = "2"
 			register "gpi7_routing" = "2"
 
-			register "sata_ahci" = "0x1"
 			register "sata_ports_implemented" = "0x04"
 
 			register "gpe0_en" = "0x11000006"
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb
index 156fe3fd64..acb8ac6702 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41c-gs-r2/devicetree.cb
@@ -51,7 +51,6 @@ chip northbridge/intel/x4x		# Northbridge
 			register "gpi13_routing" = "2"
 
 			register "ide_enable_primary" = "0x1"
-			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "sata_ports_implemented" = "0x3"
 			register "gpe0_en" = "0x440"
 
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb
index ba2f00d1ec..f4d1dc4291 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41m-gs/devicetree.cb
@@ -46,7 +46,6 @@ chip northbridge/intel/x4x		# Northbridge
 			register "pirqh_routing" = "0x0b"
 
 			register "ide_enable_primary" = "0x1"
-			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "sata_ports_implemented" = "0x3"
 			register "gpe0_en" = "0x440"
 
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb
index 45a20142f4..2fd6e4f649 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41m-s3/devicetree.cb
@@ -44,7 +44,6 @@ chip northbridge/intel/x4x		# Northbridge
 			register "pirqh_routing" = "0x0b"
 
 			register "ide_enable_primary" = "0x1"
-			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "sata_ports_implemented" = "0x3"
 			register "gpe0_en" = "0x440"
 
diff --git a/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb b/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb
index b458115134..5479faf3e9 100644
--- a/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb
+++ b/src/mainboard/asrock/g41c-gs/variants/g41m-vs3-r2/devicetree.cb
@@ -46,7 +46,6 @@ chip northbridge/intel/x4x		# Northbridge
 			register "pirqh_routing" = "0x0b"
 
 			register "ide_enable_primary" = "0x1"
-			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "gpe0_en" = "0x440"
 
 			device pci 1b.0 on		# Audio
diff --git a/src/mainboard/asus/p5gc-mx/devicetree.cb b/src/mainboard/asus/p5gc-mx/devicetree.cb
index 2f7d2781d7..de63da2a5d 100644
--- a/src/mainboard/asus/p5gc-mx/devicetree.cb
+++ b/src/mainboard/asus/p5gc-mx/devicetree.cb
@@ -53,7 +53,6 @@ chip northbridge/intel/i945
 			register "ide_legacy_combined" = "0x0"
 			register "ide_enable_primary" = "0x1"
 			register "ide_enable_secondary" = "0x0"
-			register "sata_ahci" = "0x0"
 
 			register "p_cnt_throttling_supported" = "0"
 
diff --git a/src/mainboard/asus/p5qpl-am/devicetree.cb b/src/mainboard/asus/p5qpl-am/devicetree.cb
index 63ae8ce3c5..bc023d24c9 100644
--- a/src/mainboard/asus/p5qpl-am/devicetree.cb
+++ b/src/mainboard/asus/p5qpl-am/devicetree.cb
@@ -43,7 +43,6 @@ chip northbridge/intel/x4x		# Northbridge
 			#  2 SCI (if corresponding GPIO_EN bit is also set)
 
 			register "ide_enable_primary" = "0x1"
-			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "gpe0_en" = "0x04000440"
 
 			device pci 1b.0 on  end		# Audio
diff --git a/src/mainboard/foxconn/d41s/devicetree.cb b/src/mainboard/foxconn/d41s/devicetree.cb
index 75df88e5c6..a611ee35c5 100644
--- a/src/mainboard/foxconn/d41s/devicetree.cb
+++ b/src/mainboard/foxconn/d41s/devicetree.cb
@@ -40,7 +40,6 @@ chip northbridge/intel/pineview		# Northbridge
       register "pirqf_routing" = "0x0b"
       register "pirqg_routing" = "0x0b"
       register "pirqh_routing" = "0x0b"
-      register "sata_ahci" = "0x1"
       register "sata_ports_implemented" = "0x3"
       register "gpe0_en" = "0x441"
 
diff --git a/src/mainboard/foxconn/g41s-k/devicetree.cb b/src/mainboard/foxconn/g41s-k/devicetree.cb
index ca952ba7c6..b196e24961 100644
--- a/src/mainboard/foxconn/g41s-k/devicetree.cb
+++ b/src/mainboard/foxconn/g41s-k/devicetree.cb
@@ -47,7 +47,6 @@ chip northbridge/intel/x4x		# Northbridge
 
 			register "ide_enable_primary" = "0x0"
 			register "ide_enable_secondary" = "0x0"
-			register "sata_ahci" = "0x0"	# AHCI does not work
 			register "sata_ports_implemented" = "0x3"
 
 			device pci 1b.0 on end		# Audio
diff --git a/src/mainboard/getac/p470/devicetree.cb b/src/mainboard/getac/p470/devicetree.cb
index c0cad6a387..c99455322b 100644
--- a/src/mainboard/getac/p470/devicetree.cb
+++ b/src/mainboard/getac/p470/devicetree.cb
@@ -57,7 +57,6 @@ chip northbridge/intel/i945
                         register "ide_legacy_combined" = "0x1"
                         register "ide_enable_primary" = "0x1"
                         register "ide_enable_secondary" = "0x0"
-                        register "sata_ahci" = "0x0"
 
 			register "c3_latency" = "85"
 			register "docking_supported" = "1"
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb b/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb
index 7ed4d199aa..1c69613cbe 100644
--- a/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb
+++ b/src/mainboard/gigabyte/ga-945gcm-s2l/devicetree.cb
@@ -76,7 +76,6 @@ chip northbridge/intel/i945
 			register "ide_legacy_combined" = "0x0"
 			register "ide_enable_primary" = "0x1"
 			register "ide_enable_secondary" = "0x0"
-			register "sata_ahci" = "0x0"
 			register "c3_latency" = "85"
 
 			register "p_cnt_throttling_supported" = "0"
diff --git a/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb b/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb
index 8b47c4f21f..d24eb5d6ac 100644
--- a/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb
+++ b/src/mainboard/gigabyte/ga-g41m-es2l/devicetree.cb
@@ -48,7 +48,6 @@ chip northbridge/intel/x4x		# Northbridge
       register "ide_legacy_combined" = "0x0"	# Combined mode broken
       register "ide_enable_primary" = "0x1"
       register "ide_enable_secondary" = "0x0"
-      register "sata_ahci" = "0x0"		# AHCI does not work
       register "sata_ports_implemented" = "0x3"
       register "gpe0_en" = "0x40"
 
diff --git a/src/mainboard/ibase/mb899/devicetree.cb b/src/mainboard/ibase/mb899/devicetree.cb
index f81a68b711..0c5962fea0 100644
--- a/src/mainboard/ibase/mb899/devicetree.cb
+++ b/src/mainboard/ibase/mb899/devicetree.cb
@@ -36,7 +36,6 @@ chip northbridge/intel/i945
 			register "ide_legacy_combined" = "0x0"
 			register "ide_enable_primary" = "0x1"
 			register "ide_enable_secondary" = "0x0"
-			register "sata_ahci" = "0x1"
 
 			register "c3_latency" = "85"
 			register "p_cnt_throttling_supported" = "0"
diff --git a/src/mainboard/intel/d510mo/devicetree.cb b/src/mainboard/intel/d510mo/devicetree.cb
index a00861043e..825611ef22 100644
--- a/src/mainboard/intel/d510mo/devicetree.cb
+++ b/src/mainboard/intel/d510mo/devicetree.cb
@@ -38,7 +38,6 @@ chip northbridge/intel/pineview		# Northbridge
       register "pirqf_routing" = "0x0b"
       register "pirqg_routing" = "0x0b"
       register "pirqh_routing" = "0x0b"
-      register "sata_ahci" = "0x1"
       register "sata_ports_implemented" = "0x3"
       register "gpe0_en" = "0x20000040"
 
diff --git a/src/mainboard/intel/d945gclf/devicetree.cb b/src/mainboard/intel/d945gclf/devicetree.cb
index 716654c6eb..573b9c80ed 100644
--- a/src/mainboard/intel/d945gclf/devicetree.cb
+++ b/src/mainboard/intel/d945gclf/devicetree.cb
@@ -50,7 +50,6 @@ chip northbridge/intel/i945
                         register "ide_legacy_combined" = "0x0"
                         register "ide_enable_primary" = "0x1"
                         register "ide_enable_secondary" = "0x0"
-                        register "sata_ahci" = "0x0"
 			register "c3_latency" = "85"
 			register "p_cnt_throttling_supported" = "0"
 
diff --git a/src/mainboard/intel/dg41wv/devicetree.cb b/src/mainboard/intel/dg41wv/devicetree.cb
index be28763a00..295fbc4f38 100644
--- a/src/mainboard/intel/dg41wv/devicetree.cb
+++ b/src/mainboard/intel/dg41wv/devicetree.cb
@@ -63,7 +63,6 @@ chip northbridge/intel/x4x		# Northbridge
 			register "gpi15_routing" = "2"
 
 			register "ide_enable_primary" = "0x1"
-			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "gpe0_en" = "0x440"
 
 			device pci 1b.0 on		# Audio
diff --git a/src/mainboard/kontron/986lcd-m/devicetree.cb b/src/mainboard/kontron/986lcd-m/devicetree.cb
index 5e00109ebb..cd7929c31a 100644
--- a/src/mainboard/kontron/986lcd-m/devicetree.cb
+++ b/src/mainboard/kontron/986lcd-m/devicetree.cb
@@ -36,7 +36,6 @@ chip northbridge/intel/i945
 			register "ide_legacy_combined" = "0x1"
 			register "ide_enable_primary" = "0x1"
 			register "ide_enable_secondary" = "0x1"
-			register "sata_ahci" = "0x0"
 			register "c3_latency" = "85"
 			register "p_cnt_throttling_supported" = "0"
 
diff --git a/src/mainboard/lenovo/t60/devicetree.cb b/src/mainboard/lenovo/t60/devicetree.cb
index b4c8fb8b4f..28e0574188 100644
--- a/src/mainboard/lenovo/t60/devicetree.cb
+++ b/src/mainboard/lenovo/t60/devicetree.cb
@@ -72,7 +72,6 @@ chip northbridge/intel/i945
 			register "gpi12_routing" = "2"
 			register "gpi8_routing" = "2"
 
-			register "sata_ahci" = "0x1"
 			register "sata_ports_implemented" = "0x01"
 
 			register "gpe0_en" = "0x11000006"
diff --git a/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb b/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb
index cc3ef49f25..ace2bfbff2 100644
--- a/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb
+++ b/src/mainboard/lenovo/thinkcentre_a58/devicetree.cb
@@ -44,7 +44,6 @@ chip northbridge/intel/x4x		# Northbridge
 			register "gpi13_routing" = "1" # ??vendor
 
 			register "ide_enable_primary" = "0x1"
-			register "sata_ahci" = "0x0" # AHCI not supported on this ICH7 variant
 			register "gpe0_en" = "0x440"
 
 			device pci 1b.0 on end		# Audio
diff --git a/src/mainboard/lenovo/x60/devicetree.cb b/src/mainboard/lenovo/x60/devicetree.cb
index 87cfa849ee..b3d87ccb4b 100644
--- a/src/mainboard/lenovo/x60/devicetree.cb
+++ b/src/mainboard/lenovo/x60/devicetree.cb
@@ -65,7 +65,6 @@ chip northbridge/intel/i945
 			register "gpi12_routing" = "1"
 			register "gpi8_routing" = "2"
 
-			register "sata_ahci" = "0x1"
 			register "sata_ports_implemented" = "0x01"
 
 			register "gpe0_en" = "0x11000006"
diff --git a/src/mainboard/lenovo/z61t/devicetree.cb b/src/mainboard/lenovo/z61t/devicetree.cb
index 8519b31035..d35c62b09c 100644
--- a/src/mainboard/lenovo/z61t/devicetree.cb
+++ b/src/mainboard/lenovo/z61t/devicetree.cb
@@ -71,7 +71,6 @@ chip northbridge/intel/i945
 			register "gpi12_routing" = "2"
 			register "gpi8_routing" = "2"
 
-			register "sata_ahci" = "0x1"
 			register "sata_ports_implemented" = "0x01"
 
 			register "gpe0_en" = "0x11000006"
diff --git a/src/mainboard/roda/rk886ex/devicetree.cb b/src/mainboard/roda/rk886ex/devicetree.cb
index 082a9e894c..3ba9d2c331 100644
--- a/src/mainboard/roda/rk886ex/devicetree.cb
+++ b/src/mainboard/roda/rk886ex/devicetree.cb
@@ -61,7 +61,6 @@ chip northbridge/intel/i945
 			register "ide_legacy_combined" = "0x1"
 			register "ide_enable_primary" = "0x1"
 			register "ide_enable_secondary" = "0x0"
-			register "sata_ahci" = "0x0"
 
 			device pci 1b.0 off end # High Definition Audio
 			device pci 1c.0 on end # PCIe port 1