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

6 files changed, 4 insertions, 47 deletions

diff --git a/src/southbridge/amd/amd8111/amd8111_lpc.c b/src/southbridge/amd/amd8111/amd8111_lpc.c
index 8fe4982721..83887b2199 100644
--- a/src/southbridge/amd/amd8111/amd8111_lpc.c
+++ b/src/southbridge/amd/amd8111/amd8111_lpc.c
@@ -106,12 +106,6 @@ static void amd8111_lpc_read_resources(device_t dev)
 	res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 }
 
-static void amd8111_lpc_enable_resources(device_t dev)
-{
-	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
-}
-
 static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
 {
 	pci_write_config32(dev, 0x70,
@@ -125,7 +119,7 @@ static struct pci_operations lops_pci = {
 static struct device_operations lpc_ops  = {
 	.read_resources   = amd8111_lpc_read_resources,
 	.set_resources    = pci_dev_set_resources,
-	.enable_resources = amd8111_lpc_enable_resources,
+	.enable_resources = pci_dev_enable_resources,
 	.init             = lpc_init,
 	.scan_bus         = scan_static_bus,
 	.enable           = amd8111_enable,
diff --git a/src/southbridge/amd/cs5530/cs5530_isa.c b/src/southbridge/amd/cs5530/cs5530_isa.c
index c949cbf681..c7e8f43f75 100644
--- a/src/southbridge/amd/cs5530/cs5530_isa.c
+++ b/src/southbridge/amd/cs5530/cs5530_isa.c
@@ -47,17 +47,10 @@ static void isa_init(struct device *dev)
 {
 }
 
-static void cs5530_pci_dev_enable_resources(device_t dev)
-{
-	// TODO: Needed?
-	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
-}
-
 static struct device_operations isa_ops = {
 	.read_resources		= cs5530_read_resources,
 	.set_resources		= pci_dev_set_resources,
-	.enable_resources	= cs5530_pci_dev_enable_resources,
+	.enable_resources	= pci_dev_enable_resources,
 	.init			= isa_init,
 	.enable			= 0,
 	.scan_bus		= scan_static_bus,
diff --git a/src/southbridge/amd/cs5535/cs5535.c b/src/southbridge/amd/cs5535/cs5535.c
index c1fed9f815..402362bf1e 100644
--- a/src/southbridge/amd/cs5535/cs5535.c
+++ b/src/southbridge/amd/cs5535/cs5535.c
@@ -87,17 +87,10 @@ static void cs5535_read_resources(device_t dev)
 	res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
 }
 
-static void cs5535_pci_dev_enable_resources(device_t dev)
-{
-	printk(BIOS_DEBUG, "%s()\n", __func__);
-	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
-}
-
 static struct device_operations southbridge_ops = {
 	.read_resources   = cs5535_read_resources,
 	.set_resources    = pci_dev_set_resources,
-	.enable_resources = cs5535_pci_dev_enable_resources,
+	.enable_resources = pci_dev_enable_resources,
 	.init             = southbridge_init,
 	.enable           = southbridge_enable,
 	.scan_bus         = scan_static_bus,
diff --git a/src/southbridge/amd/cs5536/cs5536.c b/src/southbridge/amd/cs5536/cs5536.c
index d2dbcb152a..c4ceaea4f7 100644
--- a/src/southbridge/amd/cs5536/cs5536.c
+++ b/src/southbridge/amd/cs5536/cs5536.c
@@ -667,17 +667,10 @@ static void southbridge_enable(struct device *dev)
 
 }
 
-static void cs5536_pci_dev_enable_resources(device_t dev)
-{
-	printk(BIOS_DEBUG, "%s()\n", __func__);
-	pci_dev_enable_resources(dev);
-	enable_childrens_resources(dev);
-}
-
 static struct device_operations southbridge_ops = {
 	.read_resources = cs5536_read_resources,
 	.set_resources = pci_dev_set_resources,
-	.enable_resources = cs5536_pci_dev_enable_resources,
+	.enable_resources = pci_dev_enable_resources,
 	.init = southbridge_init,
 //      .enable                   = southbridge_enable,
 	.scan_bus = scan_static_bus,
diff --git a/src/southbridge/amd/sb600/sb600_lpc.c b/src/southbridge/amd/sb600/sb600_lpc.c
index fd06f4478d..67703d15eb 100644
--- a/src/southbridge/amd/sb600/sb600_lpc.c
+++ b/src/southbridge/amd/sb600/sb600_lpc.c
@@ -96,13 +96,6 @@ static void sb600_lpc_read_resources(device_t dev)
  *
  * @param dev the device whos children's resources are to be enabled
  *
- * This function is call by the global enable_resources() indirectly via the
- * device_operation::enable_resources() method of devices.
- *
- * Indirect mutual recursion:
- *      enable_childrens_resources() -> enable_resources()
- *      enable_resources() -> device_operation::enable_resources()
- *      device_operation::enable_resources() -> enable_children_resources()
  */
 static void sb600_lpc_enable_childrens_resources(device_t dev)
 {
@@ -118,7 +111,6 @@ static void sb600_lpc_enable_childrens_resources(device_t dev)
 		device_t child;
 		for (child = link->children; child;
 		     child = child->sibling) {
-			enable_resources(child);
 			if (child->enabled
 			    && (child->path.type == DEVICE_PATH_PNP)) {
 				struct resource *res;
diff --git a/src/southbridge/amd/sb700/sb700_lpc.c b/src/southbridge/amd/sb700/sb700_lpc.c
index e8bfbfac5d..87b77ca28f 100644
--- a/src/southbridge/amd/sb700/sb700_lpc.c
+++ b/src/southbridge/amd/sb700/sb700_lpc.c
@@ -108,13 +108,6 @@ static void sb700_lpc_set_resources(struct device *dev)
  *
  * @param dev the device whos children's resources are to be enabled
  *
- * This function is call by the global enable_resources() indirectly via the
- * device_operation::enable_resources() method of devices.
- *
- * Indirect mutual recursion:
- *      enable_childrens_resources() -> enable_resources()
- *      enable_resources() -> device_operation::enable_resources()
- *      device_operation::enable_resources() -> enable_children_resources()
  */
 static void sb700_lpc_enable_childrens_resources(device_t dev)
 {
@@ -130,7 +123,6 @@ static void sb700_lpc_enable_childrens_resources(device_t dev)
 		device_t child;
 		for (child = link->children; child;
 		     child = child->sibling) {
-			enable_resources(child);
 			if (child->enabled
 			    && (child->path.type == DEVICE_PATH_PNP)) {
 				struct resource *res;