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authorRichard Smith <smithbone@gmail.com>2006-08-28 16:18:32 +0000
committerRichard Smith <smithbone@gmail.com>2006-08-28 16:18:32 +0000
commitbcd1f2310d4d953a2d41baee7f7e9fc555b4df6e (patch)
tree19cf05139e537e79811867d93cafc72498b577b4 /src
parent6af77aeb4093d74d7098fbad08e2625b0e6eb08b (diff)
downloadcoreboot-bcd1f2310d4d953a2d41baee7f7e9fc555b4df6e.tar.xz
- 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. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2392 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
-rw-r--r--src/southbridge/amd/cs5536/cs5536.c55
1 files changed, 13 insertions, 42 deletions
diff --git a/src/southbridge/amd/cs5536/cs5536.c b/src/southbridge/amd/cs5536/cs5536.c
index ff7763218e..d2fbe99644 100644
--- a/src/southbridge/amd/cs5536/cs5536.c
+++ b/src/southbridge/amd/cs5536/cs5536.c
@@ -146,56 +146,27 @@ static void southbridge_init(struct device *dev)
/* 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);
-
- 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);
+ uocmux = *((unsigned long *) 0x0EFC00004);
+ uocmux &= ~3;
+ uocmux |= 2;
+ *((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);
+ }
}