From 7eac4450b32f6961d5abd8dae32c5eefc1a07c11 Mon Sep 17 00:00:00 2001
From: Myles Watson <mylesgw@gmail.com>
Date: Thu, 17 Jun 2010 16:16:56 +0000
Subject: Always enable parent resources before child resources.

Always initialize parents before children.

Move s2881 code into a driver.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5633 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
---
 src/northbridge/amd/amdfam10/northbridge.c         | 12 +++---------
 src/northbridge/amd/amdk8/northbridge.c            | 12 +++---------
 src/northbridge/amd/gx1/northbridge.c              |  4 ++--
 src/northbridge/amd/gx2/northbridge.c              |  4 ++--
 src/northbridge/amd/lx/northbridge.c               |  2 +-
 src/northbridge/intel/e7501/northbridge.c          |  4 ++--
 src/northbridge/intel/e7520/northbridge.c          |  4 ++--
 src/northbridge/intel/e7525/northbridge.c          |  4 ++--
 src/northbridge/intel/i3100/northbridge.c          |  4 ++--
 src/northbridge/intel/i3100/pciexp_porta_ep80579.c |  1 -
 src/northbridge/intel/i440bx/northbridge.c         |  4 ++--
 src/northbridge/intel/i440lx/northbridge.c         |  4 ++--
 src/northbridge/intel/i82810/northbridge.c         |  4 ++--
 src/northbridge/intel/i82830/northbridge.c         |  4 ++--
 src/northbridge/intel/i855/northbridge.c           |  4 ++--
 src/northbridge/intel/i945/northbridge.c           |  4 ++--
 src/northbridge/via/cn400/northbridge.c            |  4 ++--
 src/northbridge/via/cn700/northbridge.c            |  4 ++--
 src/northbridge/via/cx700/cx700_lpc.c              |  1 -
 src/northbridge/via/cx700/northbridge.c            |  4 ++--
 src/northbridge/via/vt8601/northbridge.c           |  4 ++--
 src/northbridge/via/vt8623/northbridge.c           |  4 ++--
 src/northbridge/via/vx800/northbridge.c            |  4 ++--
 src/northbridge/via/vx800/vx800_lpc.c              | 14 ++------------
 24 files changed, 45 insertions(+), 69 deletions(-)

(limited to 'src/northbridge')

diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index 253a209965..d8d1aa234f 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -604,12 +604,6 @@ static void amdfam10_set_resources(device_t dev)
 	}
 }
 
-static void amdfam10_enable_resources(device_t dev)
-{
-	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
-}
-
 static void mcf0_control_init(struct device *dev)
 {
 }
@@ -617,7 +611,7 @@ static void mcf0_control_init(struct device *dev)
 static struct device_operations northbridge_operations = {
 	.read_resources	  = amdfam10_read_resources,
 	.set_resources	  = amdfam10_set_resources,
-	.enable_resources = amdfam10_enable_resources,
+	.enable_resources = pci_dev_enable_resources,
 	.init		  = mcf0_control_init,
 	.scan_bus	  = amdfam10_scan_chains,
 	.enable		  = 0,
@@ -1145,8 +1139,8 @@ static u32 amdfam10_domain_scan_bus(device_t dev, u32 max)
 static struct device_operations pci_domain_ops = {
 	.read_resources	  = amdfam10_domain_read_resources,
 	.set_resources	  = amdfam10_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init		  = 0,
+	.enable_resources = NULL,
+	.init		  = NULL,
 	.scan_bus	  = amdfam10_domain_scan_bus,
 #if CONFIG_MMCONF_SUPPORT_DEFAULT
 	.ops_pci_bus	  = &pci_ops_mmconf,
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c
index 227a02edf0..9047d6084d 100644
--- a/src/northbridge/amd/amdk8/northbridge.c
+++ b/src/northbridge/amd/amdk8/northbridge.c
@@ -574,12 +574,6 @@ static void amdk8_set_resources(device_t dev)
 	}
 }
 
-static void amdk8_enable_resources(device_t dev)
-{
-	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
-}
-
 static void mcf0_control_init(struct device *dev)
 {
 #if 0
@@ -593,7 +587,7 @@ static void mcf0_control_init(struct device *dev)
 static struct device_operations northbridge_operations = {
 	.read_resources	  = amdk8_read_resources,
 	.set_resources	  = amdk8_set_resources,
-	.enable_resources = amdk8_enable_resources,
+	.enable_resources = pci_dev_enable_resources,
 	.init		  = mcf0_control_init,
 	.scan_bus	  = amdk8_scan_chains,
 	.enable		  = 0,
@@ -1119,8 +1113,8 @@ static u32 amdk8_domain_scan_bus(device_t dev, u32 max)
 static struct device_operations pci_domain_ops = {
 	.read_resources	  = amdk8_domain_read_resources,
 	.set_resources	  = amdk8_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init		  = 0,
+	.enable_resources = NULL,
+	.init		  = NULL,
 	.scan_bus	  = amdk8_domain_scan_bus,
 	.ops_pci_bus	  = &pci_cf8_conf1,
 };
diff --git a/src/northbridge/amd/gx1/northbridge.c b/src/northbridge/amd/gx1/northbridge.c
index 8b60345b0d..99695521a3 100644
--- a/src/northbridge/amd/gx1/northbridge.c
+++ b/src/northbridge/amd/gx1/northbridge.c
@@ -169,8 +169,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
-        .enable_resources = enable_childrens_resources,
-        .init             = 0,
+        .enable_resources = NULL,
+        .init             = NULL,
         .scan_bus         = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/amd/gx2/northbridge.c b/src/northbridge/amd/gx2/northbridge.c
index 4846ac328f..3ca24a6390 100644
--- a/src/northbridge/amd/gx2/northbridge.c
+++ b/src/northbridge/amd/gx2/northbridge.c
@@ -448,8 +448,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
-        .enable_resources = enable_childrens_resources,
-        .init             = 0,
+        .enable_resources = NULL,
+        .init             = NULL,
         .scan_bus         = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/amd/lx/northbridge.c b/src/northbridge/amd/lx/northbridge.c
index 5202de21e8..6eedfddbe4 100644
--- a/src/northbridge/amd/lx/northbridge.c
+++ b/src/northbridge/amd/lx/northbridge.c
@@ -441,7 +441,7 @@ static void pci_domain_enable(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources = pci_domain_read_resources,
 	.set_resources = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
+	.enable_resources = NULL,
 	.scan_bus = pci_domain_scan_bus,
 	.enable = pci_domain_enable,
 };
diff --git a/src/northbridge/intel/e7501/northbridge.c b/src/northbridge/intel/e7501/northbridge.c
index 5db56dc482..545ceba1dc 100644
--- a/src/northbridge/intel/e7501/northbridge.c
+++ b/src/northbridge/intel/e7501/northbridge.c
@@ -141,8 +141,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
-        .enable_resources = enable_childrens_resources,
-        .init             = 0,
+        .enable_resources = NULL,
+        .init             = NULL,
         .scan_bus         = pci_domain_scan_bus,
 	.ops_pci_bus      = &pci_cf8_conf1,
 };
diff --git a/src/northbridge/intel/e7520/northbridge.c b/src/northbridge/intel/e7520/northbridge.c
index c0580bbe3e..a35f7f1ad0 100644
--- a/src/northbridge/intel/e7520/northbridge.c
+++ b/src/northbridge/intel/e7520/northbridge.c
@@ -163,8 +163,8 @@ static u32 e7520_domain_scan_bus(device_t dev, u32 max)
 static struct device_operations pci_domain_ops = {
 	.read_resources   = pci_domain_read_resources,
 	.set_resources    = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init             = 0,
+	.enable_resources = NULL,
+	.init             = NULL,
 	.scan_bus         = e7520_domain_scan_bus,
 	.ops_pci_bus      = &pci_cf8_conf1, /* Do we want to use the memory mapped space here? */
 };
diff --git a/src/northbridge/intel/e7525/northbridge.c b/src/northbridge/intel/e7525/northbridge.c
index 2af6c25ae8..bccd023b8b 100644
--- a/src/northbridge/intel/e7525/northbridge.c
+++ b/src/northbridge/intel/e7525/northbridge.c
@@ -163,8 +163,8 @@ static u32 e7525_domain_scan_bus(device_t dev, u32 max)
 static struct device_operations pci_domain_ops = {
 	.read_resources   = pci_domain_read_resources,
 	.set_resources    = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init             = 0,
+	.enable_resources = NULL,
+	.init             = NULL,
 	.scan_bus         = e7525_domain_scan_bus,
 	.ops_pci_bus      = &pci_cf8_conf1, /* Do we want to use the memory mapped space here? */
 };
diff --git a/src/northbridge/intel/i3100/northbridge.c b/src/northbridge/intel/i3100/northbridge.c
index 482e6006a5..154b124cd6 100644
--- a/src/northbridge/intel/i3100/northbridge.c
+++ b/src/northbridge/intel/i3100/northbridge.c
@@ -184,8 +184,8 @@ static u32 i3100_domain_scan_bus(device_t dev, u32 max)
 static struct device_operations pci_domain_ops = {
 	.read_resources   = pci_domain_read_resources,
 	.set_resources    = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init             = 0,
+	.enable_resources = NULL,
+	.init             = NULL,
 	.scan_bus         = i3100_domain_scan_bus,
 	.ops_pci_bus      = &pci_cf8_conf1, /* Do we want to use the memory mapped space here? */
 };
diff --git a/src/northbridge/intel/i3100/pciexp_porta_ep80579.c b/src/northbridge/intel/i3100/pciexp_porta_ep80579.c
index a17cb0b3f2..3f84d8f147 100644
--- a/src/northbridge/intel/i3100/pciexp_porta_ep80579.c
+++ b/src/northbridge/intel/i3100/pciexp_porta_ep80579.c
@@ -64,7 +64,6 @@ static void pcie_bus_enable_resources(struct device *dev)
 		dev->command |= PCI_COMMAND_MEMORY;
 	}
 	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
 }
 
 
diff --git a/src/northbridge/intel/i440bx/northbridge.c b/src/northbridge/intel/i440bx/northbridge.c
index c5f09344bc..55b606ee10 100644
--- a/src/northbridge/intel/i440bx/northbridge.c
+++ b/src/northbridge/intel/i440bx/northbridge.c
@@ -124,8 +124,8 @@ static void i440bx_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources		= pci_domain_read_resources,
 	.set_resources		= i440bx_domain_set_resources,
-	.enable_resources	= enable_childrens_resources,
-	.init			= 0,
+	.enable_resources	= NULL,
+	.init			= NULL,
 	.scan_bus		= pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/intel/i440lx/northbridge.c b/src/northbridge/intel/i440lx/northbridge.c
index 7c41e59c19..8342778bab 100644
--- a/src/northbridge/intel/i440lx/northbridge.c
+++ b/src/northbridge/intel/i440lx/northbridge.c
@@ -152,8 +152,8 @@ static void i440lx_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources		= pci_domain_read_resources,
 	.set_resources		= i440lx_domain_set_resources,
-	.enable_resources	= enable_childrens_resources,
-	.init			= 0,
+	.enable_resources	= NULL,
+	.init			= NULL,
 	.scan_bus		= pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/intel/i82810/northbridge.c b/src/northbridge/intel/i82810/northbridge.c
index 612d6c0907..4961366731 100644
--- a/src/northbridge/intel/i82810/northbridge.c
+++ b/src/northbridge/intel/i82810/northbridge.c
@@ -184,8 +184,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources		= pci_domain_read_resources,
 	.set_resources		= pci_domain_set_resources,
-	.enable_resources	= enable_childrens_resources,
-	.init			= 0,
+	.enable_resources	= NULL,
+	.init			= NULL,
 	.scan_bus		= pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/intel/i82830/northbridge.c b/src/northbridge/intel/i82830/northbridge.c
index a1a389388d..572c6e88a8 100644
--- a/src/northbridge/intel/i82830/northbridge.c
+++ b/src/northbridge/intel/i82830/northbridge.c
@@ -164,8 +164,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources		= pci_domain_read_resources,
 	.set_resources		= pci_domain_set_resources,
-	.enable_resources	= enable_childrens_resources,
-	.init			= 0,
+	.enable_resources	= NULL,
+	.init			= NULL,
 	.scan_bus		= pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/intel/i855/northbridge.c b/src/northbridge/intel/i855/northbridge.c
index 0438d09d93..77d1564672 100644
--- a/src/northbridge/intel/i855/northbridge.c
+++ b/src/northbridge/intel/i855/northbridge.c
@@ -140,8 +140,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
-        .enable_resources = enable_childrens_resources,
-        .init             = 0,
+        .enable_resources = NULL,
+        .init             = NULL,
         .scan_bus         = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c
index 81b61bda59..0f5a502b69 100644
--- a/src/northbridge/intel/i945/northbridge.c
+++ b/src/northbridge/intel/i945/northbridge.c
@@ -224,8 +224,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources   = pci_domain_read_resources,
 	.set_resources    = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init             = 0,
+	.enable_resources = NULL,
+	.init             = NULL,
 	.scan_bus         = pci_domain_scan_bus,
 #if CONFIG_MMCONF_SUPPORT_DEFAULT
 	.ops_pci_bus	  = &pci_ops_mmconf,
diff --git a/src/northbridge/via/cn400/northbridge.c b/src/northbridge/via/cn400/northbridge.c
index 2974d23da7..2fc67c925f 100644
--- a/src/northbridge/via/cn400/northbridge.c
+++ b/src/northbridge/via/cn400/northbridge.c
@@ -283,8 +283,8 @@ static unsigned int cn400_domain_scan_bus(device_t dev, unsigned int max)
 static struct device_operations pci_domain_ops = {
 	.read_resources   = cn400_domain_read_resources,
 	.set_resources    = cn400_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init             = 0,
+	.enable_resources = NULL,
+	.init             = NULL,
 	.scan_bus         = cn400_domain_scan_bus,
 };
 
diff --git a/src/northbridge/via/cn700/northbridge.c b/src/northbridge/via/cn700/northbridge.c
index b122a5e2fe..6afd760f83 100644
--- a/src/northbridge/via/cn700/northbridge.c
+++ b/src/northbridge/via/cn700/northbridge.c
@@ -205,8 +205,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources   = pci_domain_read_resources,
 	.set_resources    = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init             = 0,
+	.enable_resources = NULL,
+	.init             = NULL,
 	.scan_bus         = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/via/cx700/cx700_lpc.c b/src/northbridge/via/cx700/cx700_lpc.c
index 02beb86283..f0fc86cd82 100644
--- a/src/northbridge/via/cx700/cx700_lpc.c
+++ b/src/northbridge/via/cx700/cx700_lpc.c
@@ -270,7 +270,6 @@ static void cx700_enable_resources(device_t dev)
 {
 	/* Enable SuperIO decoding */
 	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
 }
 
 static void cx700_lpc_init(struct device *dev)
diff --git a/src/northbridge/via/cx700/northbridge.c b/src/northbridge/via/cx700/northbridge.c
index 3f5ed28120..1c2c04cf23 100644
--- a/src/northbridge/via/cx700/northbridge.c
+++ b/src/northbridge/via/cx700/northbridge.c
@@ -134,8 +134,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
 	.read_resources	  = pci_domain_read_resources,
 	.set_resources	  = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init		  = 0,
+	.enable_resources = NULL,
+	.init		  = NULL,
 	.scan_bus	  = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/via/vt8601/northbridge.c b/src/northbridge/via/vt8601/northbridge.c
index 1f15b7026e..834a57df25 100644
--- a/src/northbridge/via/vt8601/northbridge.c
+++ b/src/northbridge/via/vt8601/northbridge.c
@@ -146,8 +146,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
-        .enable_resources = enable_childrens_resources,
-        .init             = 0,
+        .enable_resources = NULL,
+        .init             = NULL,
         .scan_bus         = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/via/vt8623/northbridge.c b/src/northbridge/via/vt8623/northbridge.c
index d7fff335fe..86999cff6c 100644
--- a/src/northbridge/via/vt8623/northbridge.c
+++ b/src/northbridge/via/vt8623/northbridge.c
@@ -207,8 +207,8 @@ static void pci_domain_set_resources(device_t dev)
 static struct device_operations pci_domain_ops = {
         .read_resources   = pci_domain_read_resources,
         .set_resources    = pci_domain_set_resources,
-        .enable_resources = enable_childrens_resources,
-        .init             = 0,
+        .enable_resources = NULL,
+        .init             = NULL,
         .scan_bus         = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/via/vx800/northbridge.c b/src/northbridge/via/vx800/northbridge.c
index ec978e878b..93fa1f2160 100644
--- a/src/northbridge/via/vx800/northbridge.c
+++ b/src/northbridge/via/vx800/northbridge.c
@@ -181,8 +181,8 @@ if register with invalid value we set frame buffer size to 32M for default, but
 static struct device_operations pci_domain_ops = {
 	.read_resources = pci_domain_read_resources,
 	.set_resources = pci_domain_set_resources,
-	.enable_resources = enable_childrens_resources,
-	.init = 0,
+	.enable_resources = NULL,
+	.init = NULL,
 	.scan_bus = pci_domain_scan_bus,
 };
 
diff --git a/src/northbridge/via/vx800/vx800_lpc.c b/src/northbridge/via/vx800/vx800_lpc.c
index 4996e57c68..b9941d1270 100644
--- a/src/northbridge/via/vx800/vx800_lpc.c
+++ b/src/northbridge/via/vx800/vx800_lpc.c
@@ -322,16 +322,6 @@ static void vx800_set_resources(device_t dev)
 	pci_dev_set_resources(dev);
 }
 
-static void vx800_enable_resources(device_t dev)
-{
-	/* vx800 is not a pci bridge and has no resources of its own (other than
-	   standard PC i/o addresses). however it does control the isa bus and so
-	   we need to manually call enable childrens resources on that bus */
-	/* TODO: do we even care about ISA? If so, for what? SuperIO on LPC bus */
-	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
-}
-
 static void southbridge_init(struct device *dev)
 {
 	printk(BIOS_DEBUG, "vx800 sb init\n");
@@ -375,8 +365,8 @@ static void southbridge_init(struct device *dev)
 static struct device_operations vx800_lpc_ops = {
 	.read_resources = vx800_read_resources,
 	.set_resources = vx800_set_resources,
-	.enable_resources = vx800_enable_resources,
-	.init = &southbridge_init,
+	.enable_resources = pci_dev_enable_resources,
+	.init = southbridge_init,
 	.scan_bus = scan_static_bus,
 };
 
-- 
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