enable/disable IDE 0/1 (Primary/Secondary) interfaces on the i82801xx southbridge.

Signed-off-by: Joseph Smith <joe@settoplinux.org>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4324 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

8 files changed, 33 insertions, 8 deletions

diff --git a/src/mainboard/asus/mew-am/Config.lb b/src/mainboard/asus/mew-am/Config.lb
index 8756d296b8..e4de52b970 100644
--- a/src/mainboard/asus/mew-am/Config.lb
+++ b/src/mainboard/asus/mew-am/Config.lb
@@ -82,6 +82,9 @@ chip northbridge/intel/i82810		# Northbridge
     device pci 0.0 on end		# Graphics Memory Controller Hub (GMCH)
     device pci 1.0 on end		# Chipset Graphics Controller (CGC)
     chip southbridge/intel/i82801xx	# Southbridge
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "1"
+
       device pci 1e.0 on end		# PCI bridge
       device pci 1f.0 on		# ISA bridge
         chip superio/smsc/smscsuperio	# Super I/O
@@ -126,8 +129,6 @@ chip northbridge/intel/i82810		# Northbridge
       device pci 1f.3 on end		# SMbus
       device pci 1f.5 off end		# AC'97 audio (N/A, uses CS4280 chip)
       device pci 1f.6 off end		# AC'97 modem (N/A)
-      #register "ide0_enable" = "1"
-      #register "ide1_enable" = "1"
     end
   end
 end
diff --git a/src/mainboard/asus/mew-vm/Config.lb b/src/mainboard/asus/mew-vm/Config.lb
index a4a061bbe1..cada58f7ae 100644
--- a/src/mainboard/asus/mew-vm/Config.lb
+++ b/src/mainboard/asus/mew-vm/Config.lb
@@ -103,6 +103,9 @@ chip northbridge/intel/i82810
 		        #end
 		end
 		chip southbridge/intel/i82801xx # Southbridge
+      			register "ide0_enable" = "1"
+      			register "ide1_enable" = "1"
+
 			device pci 1e.0 on # PCI Bridge
 				#chip drivers/pci/onboard
 				#	device pci 1.0 on end
diff --git a/src/mainboard/msi/ms6178/Config.lb b/src/mainboard/msi/ms6178/Config.lb
index bfaf8f6f43..773d813922 100644
--- a/src/mainboard/msi/ms6178/Config.lb
+++ b/src/mainboard/msi/ms6178/Config.lb
@@ -82,6 +82,9 @@ chip northbridge/intel/i82810			# Northbridge
       # end
     end
     chip southbridge/intel/i82801xx		# Southbridge
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "1"
+
       device pci 1e.0 on end			# PCI bridge
       device pci 1f.0 on			# ISA/LPC bridge
         chip superio/winbond/w83627hf		# Super I/O
diff --git a/src/mainboard/nec/powermate2000/Config.lb b/src/mainboard/nec/powermate2000/Config.lb
index facf500b26..1388ea41d6 100644
--- a/src/mainboard/nec/powermate2000/Config.lb
+++ b/src/mainboard/nec/powermate2000/Config.lb
@@ -82,6 +82,9 @@ chip northbridge/intel/i82810			# Northbridge
       # end
     end
     chip southbridge/intel/i82801xx		# Southbridge
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "1"
+
       device pci 1e.0 on end			# PCI bridge
       device pci 1f.0 on			# ISA/LPC bridge
         chip superio/smsc/smscsuperio		# Super I/O (SMSC LPC47B27x)
diff --git a/src/mainboard/rca/rm4100/Config.lb b/src/mainboard/rca/rm4100/Config.lb
index e11b4d19dc..458d44d23c 100644
--- a/src/mainboard/rca/rm4100/Config.lb
+++ b/src/mainboard/rca/rm4100/Config.lb
@@ -89,6 +89,9 @@ chip northbridge/intel/i82830		# Northbridge
       register "pirqg_routing" = "0x80"
       register "pirqh_routing" = "0x0b"
 
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "1"
+
       device pci 1d.0 on end		# USB UHCI Controller #1
       device pci 1d.1 on end		# USB UHCI Controller #2
       device pci 1d.2 on end		# USB UHCI Controller #3
diff --git a/src/mainboard/thomson/ip1000/Config.lb b/src/mainboard/thomson/ip1000/Config.lb
index f26ae532d2..5cb29aa7db 100644
--- a/src/mainboard/thomson/ip1000/Config.lb
+++ b/src/mainboard/thomson/ip1000/Config.lb
@@ -89,6 +89,9 @@ chip northbridge/intel/i82830		# Northbridge
       register "pirqg_routing" = "0x80"
       register "pirqh_routing" = "0x0b"
 
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "1"
+
       device pci 1d.0 on end		# USB UHCI Controller #1
       device pci 1d.1 on end		# USB UHCI Controller #2
       device pci 1d.2 on end		# USB UHCI Controller #3
diff --git a/src/southbridge/intel/i82801xx/chip.h b/src/southbridge/intel/i82801xx/chip.h
index d86c07e8e0..d159aa2be0 100644
--- a/src/southbridge/intel/i82801xx/chip.h
+++ b/src/southbridge/intel/i82801xx/chip.h
@@ -43,6 +43,8 @@ struct southbridge_intel_i82801xx_config {
 	uint8_t pirqf_routing;
 	uint8_t pirqg_routing;
 	uint8_t pirqh_routing;
+	uint8_t ide0_enable;
+	uint8_t ide1_enable;
 };
 
 extern struct chip_operations southbridge_intel_i82801xx_ops;
diff --git a/src/southbridge/intel/i82801xx/i82801xx_ide.c b/src/southbridge/intel/i82801xx/i82801xx_ide.c
index f9ba3903e3..4173cc6a75 100644
--- a/src/southbridge/intel/i82801xx/i82801xx_ide.c
+++ b/src/southbridge/intel/i82801xx/i82801xx_ide.c
@@ -27,29 +27,36 @@
 #include <device/pci_ids.h>
 #include "i82801xx.h"
 
+typedef struct southbridge_intel_i82801xx_config config_t;
+
 static void ide_init(struct device *dev)
 {
+	/* Get the chip configuration */
+	config_t *config = dev->chip_info; 
+
 	/* TODO: Needs to be tested for compatibility with ICH5(R). */
 	/* Enable IDE devices so the Linux IDE driver will work. */
 	uint16_t ideTimingConfig;
-	int enable_primary = 1;
-	int enable_secondary = 1;
 
 	ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI);
 	ideTimingConfig &= ~IDE_DECODE_ENABLE;
-	if (enable_primary) {
+	if (!config || config->ide0_enable) {
 		/* Enable primary IDE interface. */
 		ideTimingConfig |= IDE_DECODE_ENABLE;
-		printk_debug("IDE0 ");
+		printk_debug("IDE0: Primary IDE interface is enabled\n");
+	} else {
+		printk_info("IDE0: Primary IDE interface is disabled\n");
 	}
 	pci_write_config16(dev, IDE_TIM_PRI, ideTimingConfig);
 
 	ideTimingConfig = pci_read_config16(dev, IDE_TIM_SEC);
 	ideTimingConfig &= ~IDE_DECODE_ENABLE;
-	if (enable_secondary) {
+	if (!config || config->ide1_enable) {
 		/* Enable secondary IDE interface. */
 		ideTimingConfig |= IDE_DECODE_ENABLE;
-		printk_debug("IDE1 ");
+		printk_debug("IDE1: Secondary IDE interface is enabled\n");
+	} else {
+		printk_info("IDE1: Secondary IDE interface is disabled\n");
 	}
 	pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig);
 }