From: John Hodge <tpg@mutabah.net>
Date: Tue, 27 Mar 2012 02:00:00 +0000 (+0800)
Subject: Kernel - Fixed PCI bus enumeration bug, switched x86 serial debug to 115200baud
X-Git-Tag: rel0.15~717
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=d5ba2e6250feee1c3a30c0b40ec03f3d9d77fb56;p=tpg%2Facess2.git

Kernel - Fixed PCI bus enumeration bug, switched x86 serial debug to 115200baud

- PCI wasn't enumuerating extra busses located
---

diff --git a/KernelLand/Kernel/arch/x86/lib.c b/KernelLand/Kernel/arch/x86/lib.c
index 175f9a55..6b3d7228 100644
--- a/KernelLand/Kernel/arch/x86/lib.c
+++ b/KernelLand/Kernel/arch/x86/lib.c
@@ -177,8 +177,8 @@ void Debug_PutCharDebug(char ch)
 	if(!gbDebug_SerialSetup) {
 		outb(SERIAL_PORT + 1, 0x00);	// Disable all interrupts
 		outb(SERIAL_PORT + 3, 0x80);	// Enable DLAB (set baud rate divisor)
-		outb(SERIAL_PORT + 0, 0x0C);	// Set divisor to 12 (lo byte) 9600 baud
-		outb(SERIAL_PORT + 1, 0x00);	//                   (hi byte)
+		outb(SERIAL_PORT + 0, 0x01);	// Set divisor to 1 (lo byte) - 115200 baud
+		outb(SERIAL_PORT + 1, 0x00);	//                  (hi byte)
 		outb(SERIAL_PORT + 3, 0x03);	// 8 bits, no parity, one stop bit
 		outb(SERIAL_PORT + 2, 0xC7);	// Enable FIFO with 14-byte threshold and clear it
 		outb(SERIAL_PORT + 4, 0x0B);	// IRQs enabled, RTS/DSR set
diff --git a/KernelLand/Kernel/drv/pci.c b/KernelLand/Kernel/drv/pci.c
index 327d651d..2c01b96c 100644
--- a/KernelLand/Kernel/drv/pci.c
+++ b/KernelLand/Kernel/drv/pci.c
@@ -73,7 +73,7 @@ Uint32	gaPCI_BusBitmap[256/32];
  */
 int PCI_Install(char **Arguments)
 {
-	 int	i;
+	 int	i, ret, bus;
 	void	*tmpPtr;
 	
 	// Build Portmap
@@ -89,8 +89,11 @@ int PCI_Install(char **Arguments)
 		gaPCI_PortBitmap[MAX_RESERVED_PORT / 32] = 1 << i;
 	
 	// Scan Bus (Bus 0, Don't fill gPCI_Devices)
-	i = PCI_ScanBus(0, 0);
-	if(i != MODULE_ERR_OK)	return i;
+	for( bus = 0; bus < giPCI_BusCount; bus ++ )
+	{
+		ret = PCI_ScanBus(bus, 0);
+		if(ret != MODULE_ERR_OK)	return i;
+	}
 		
 	if(giPCI_DeviceCount == 0) {
 		Log_Notice("PCI", "No devices were found");
@@ -109,10 +112,13 @@ int PCI_Install(char **Arguments)
 	
 	// Reset counts
 	giPCI_DeviceCount = 0;
-	giPCI_BusCount = 0;
+	giPCI_BusCount = 1;
 	memset(gaPCI_BusBitmap, 0, sizeof(gaPCI_BusBitmap));
 	// Rescan, filling the PCI device array
-	PCI_ScanBus(0, 1);
+	for( bus = 0; bus < giPCI_BusCount; bus ++ )
+	{
+		PCI_ScanBus(bus, 1);
+	}
 	
 	// Complete Driver Structure
 	gPCI_DriverStruct.RootNode.Size = giPCI_DeviceCount;