[LinuxBIOS] r2392 - trunk/LinuxBIOSv2/src/southbridge/amd/cs5536

[svn at openbios.org]

Author: rsmith
Date: 2006-08-28 18:18:32 +0200 (Mon, 28 Aug 2006)
New Revision: 2392

Modified:
   trunk/LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c
Log:
- Much better USB P4 fix. 

This one actualy works.  You cannot just go mucking about with stuff that the VSA
has under its thumb.  Bad Things happen.  This does it the VSA way.



Modified: trunk/LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c	2006-08-25 19:29:57 UTC (rev 2391)
+++ trunk/LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c	2006-08-28 16:18:32 UTC (rev 2392)
@@ -146,56 +146,27 @@
 	/* Southbridge (80007800 = 00.0F.00) */
 	pci_assign_irqs(0, 0x0F, slots_sb);	/* bus=0, device=0x0F, slots={11,5,10,10} */
 #endif
-	/* disable unwanted virtual PCI devices */
-	for (i = 0; (i < MAX_UNWANTED_VPCI) && (0 != sb->unwanted_vpci[i]); i++) {
-		printk_debug("Disabling VPCI device: 0x%08X\n", sb->unwanted_vpci[i]);
-		outl(sb->unwanted_vpci[i] + 0x7C, 0xCF8);
-		outl(0xDEADBEEF,                  0xCFC);
-	}
 
 	if (sb->enable_USBP4_host) {
-		volatile unsigned long* uocmux;
 		unsigned long val;
+		unsigned long uocmux;
 
+		outl(0x80007F10, 0xCF8);
+		outl(0x0EFC00000, 0xCFC);
 
-		printk_err("DES 0x%08x\n",MSR_SB_USB2_MEM_DES);
-		
-		msr = rdmsr(MSR_SB_USB2_MEM_DES);
-		printk_err("DES 0x%08x%08x\n", msr.hi,msr.lo);
+		uocmux = *((unsigned long *) 0x0EFC00004);
+		uocmux &= ~3;
+		uocmux |= 2;
 
-		msr.hi = 0x400000fe;
-		msr.lo = 0x010fffff;
-
-		wrmsr(MSR_SB_USB2_MEM_DES, msr);
-
-		msr = rdmsr(MSR_SB_USB2_MEM_DES);
-		printk_err("New DES 0x%08x%08x\n", msr.hi,msr.lo);
-
-		msr = rdmsr(USB2_SB_GLD_MSR_UOC_BASE);
-		printk_err("Old UOC Base 0x%08x%08x\n", msr.hi,msr.lo);
-		msr.hi |= 0xa;
-		msr.lo |= 0xfe010000;
-	
-		wrmsr(USB2_SB_GLD_MSR_UOC_BASE, msr);
-
-		msr = rdmsr(USB2_SB_GLD_MSR_UOC_BASE);
-		printk_err("New UOC Base 0x%08x%08x\n", msr.hi,msr.lo);
-
-		uocmux = (unsigned long *)(msr.lo+4);
-		val = *uocmux;
-
-		printk_err("UOCMUX is 0x%lx\n",val);
-
-		val &= ~(0x3);
-		val |= 0x2;
-
-		*uocmux = val;
-
-		val = *uocmux;
-		printk_err("New UOCMUX is 0x%lx\n",val);
-
+		*((unsigned long *) 0x0EFC00004) = uocmux;
 	}
 
+	/* disable unwanted virtual PCI devices */
+	for (i = 0; (i < MAX_UNWANTED_VPCI) && (0 != sb->unwanted_vpci[i]); i++) {
+		printk_debug("Disabling VPCI device: 0x%08X\n", sb->unwanted_vpci[i]);
+		outl(sb->unwanted_vpci[i] + 0x7C, 0xCF8);
+		outl(0xDEADBEEF,                  0xCFC);
+	}
 }