add patches that were rejected in discussion in case they are still needed
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1906 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
parent
fc4dda703b
commit
d4b24ceedb
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@ -0,0 +1,13 @@
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Patches for Island Aruma
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------------------------
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* dram8x.diff
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due to a glitch in the used dram spdrom this patch is needed to
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get the ram controller initialized correctly on this machine.
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* hyperclocking.diff
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this patch allows experimenting with hypertransport speeds
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of the CPU<-->CPU and AMD8131 links. Do not overclock HT links
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for production use!
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@ -0,0 +1,16 @@
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Index: src/northbridge/amd/amdk8/raminit.c
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===================================================================
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RCS file: /cvsroot/freebios/freebios2/src/northbridge/amd/amdk8/raminit.c,v
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retrieving revision 1.26
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diff -u -r1.26 raminit.c
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--- src/northbridge/amd/amdk8/raminit.c 14 Oct 2004 22:06:29 -0000 1.26
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+++ src/northbridge/amd/amdk8/raminit.c 26 Jan 2005 09:50:05 -0000
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@@ -1603,7 +1603,7 @@
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dimm += DCL_x4DIMM_SHIFT;
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dcl = pci_read_config32(ctrl->f2, DRAM_CONFIG_LOW);
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dcl &= ~(1 << dimm);
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- if (value == 4) {
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+ if (value >= 4) {
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dcl |= (1 << dimm);
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}
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pci_write_config32(ctrl->f2, DRAM_CONFIG_LOW, dcl);
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@ -0,0 +1,155 @@
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Index: src/config/Options.lb
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===================================================================
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RCS file: /cvsroot/freebios/freebios2/src/config/Options.lb,v
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retrieving revision 1.56
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diff -u -r1.56 Options.lb
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--- src/config/Options.lb 14 Jan 2005 21:54:16 -0000 1.56
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+++ src/config/Options.lb 26 Jan 2005 09:50:04 -0000
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@@ -815,3 +815,13 @@
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export never
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comment "Configure briQ with PowerPC G4"
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end
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+###############################################
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+# Options for amd k8
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+###############################################
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+define ALLOW_HT_OVERCLOCKING
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+ default 0
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+ export always
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+ comment "Allow K8 and AMD8131 to operate at maximum speed"
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+end
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+
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+
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Index: src/devices/hypertransport.c
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===================================================================
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RCS file: /cvsroot/freebios/freebios2/src/devices/hypertransport.c,v
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retrieving revision 1.12
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diff -u -r1.12 hypertransport.c
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--- src/devices/hypertransport.c 19 Jan 2005 01:19:37 -0000 1.12
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+++ src/devices/hypertransport.c 26 Jan 2005 09:50:04 -0000
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@@ -7,6 +7,9 @@
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#include <device/hypertransport.h>
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#include <part/hard_reset.h>
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#include <part/fallback_boot.h>
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+#include <pc80/mc146818rtc.h>
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+#endif
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static device_t ht_scan_get_devs(device_t *old_devices)
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{
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@@ -29,6 +32,9 @@
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{
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/* Handle bugs in valid hypertransport frequency reporting */
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unsigned freq_cap;
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+ int on;
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+#endif
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freq_cap = pci_read_config16(dev, pos);
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freq_cap &= ~(1 << HT_FREQ_VENDOR); /* Ignore Vendor HT frequencies */
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@@ -36,7 +42,12 @@
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/* AMD 8131 Errata 48 */
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if ((dev->vendor == PCI_VENDOR_ID_AMD) &&
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(dev->device == PCI_DEVICE_ID_AMD_8131_PCIX)) {
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+ on=0; get_option(&on, "amd8131_800MHz");
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+ if(!on) freq_cap &= ~(1 << HT_FREQ_800Mhz);
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+#else
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freq_cap &= ~(1 << HT_FREQ_800Mhz);
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+#endif
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}
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/* AMD 8151 Errata 23 */
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if ((dev->vendor == PCI_VENDOR_ID_AMD) &&
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@@ -45,7 +56,12 @@
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}
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/* AMD K8 Unsupported 1Ghz? */
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if ((dev->vendor == PCI_VENDOR_ID_AMD) && (dev->device == 0x1100)) {
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+ on=0; get_option(&on, "amdk8_1GHz");
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+ if(!on) freq_cap &= ~(1 << HT_FREQ_1000Mhz);
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+#else
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freq_cap &= ~(1 << HT_FREQ_1000Mhz);
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+#endif
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}
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return freq_cap;
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}
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Index: src/northbridge/amd/amdk8/coherent_ht.c
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===================================================================
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RCS file: /cvsroot/freebios/freebios2/src/northbridge/amd/amdk8/coherent_ht.c,v
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retrieving revision 1.40
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diff -u -r1.40 coherent_ht.c
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--- src/northbridge/amd/amdk8/coherent_ht.c 7 Jan 2005 21:12:05 -0000 1.40
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+++ src/northbridge/amd/amdk8/coherent_ht.c 26 Jan 2005 09:50:04 -0000
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@@ -266,7 +266,13 @@
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/* AMD 8131 Errata 48 */
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if (id == (PCI_VENDOR_ID_AMD | (PCI_DEVICE_ID_AMD_8131_PCIX << 16))) {
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- freq_cap &= ~(1 << HT_FREQ_800Mhz);
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+ if(!read_option(CMOS_VSTART_amd8131_800MHz,
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+ CMOS_VLEN_amd8131_800MHz, 0))
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+ freq_cap &= ~(1 << HT_FREQ_800Mhz);
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+#else
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+ freq_cap &= ~(1 << HT_FREQ_800Mhz);
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+#endif
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}
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/* AMD 8151 Errata 23 */
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if (id == (PCI_VENDOR_ID_AMD | (PCI_DEVICE_ID_AMD_8151_SYSCTRL << 16))) {
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@@ -274,7 +280,13 @@
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}
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/* AMD K8 Unsupported 1Ghz? */
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if (id == (PCI_VENDOR_ID_AMD | (0x1100 << 16))) {
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- freq_cap &= ~(1 << HT_FREQ_1000Mhz);
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+ if(!read_option(CMOS_VSTART_amdk8_1GHz,
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+ CMOS_VLEN_amdk8_1GHz, 0))
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+ freq_cap &= ~(1 << HT_FREQ_1000Mhz);
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+#else
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+ freq_cap &= ~(1 << HT_FREQ_1000Mhz);
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+#endif
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}
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return freq_cap;
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}
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Index: src/northbridge/amd/amdk8/incoherent_ht.c
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===================================================================
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RCS file: /cvsroot/freebios/freebios2/src/northbridge/amd/amdk8/incoherent_ht.c,v
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retrieving revision 1.15
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diff -u -r1.15 incoherent_ht.c
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--- src/northbridge/amd/amdk8/incoherent_ht.c 20 Jan 2005 20:41:17 -0000 1.15
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+++ src/northbridge/amd/amdk8/incoherent_ht.c 26 Jan 2005 09:50:04 -0000
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@@ -1,6 +1,7 @@
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/*
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This should be done by Eric
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- 2004.12 yhlu add multi ht chain dynamically support
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+ 2004.12 yhlu add multi ht chain dynamically support
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+ 2005.01 stepan add HT overclocking feature
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*/
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#include <device/pci_def.h>
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#include <device/pci_ids.h>
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@@ -96,7 +97,13 @@
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/* AMD 8131 Errata 48 */
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if (id == (PCI_VENDOR_ID_AMD | (PCI_DEVICE_ID_AMD_8131_PCIX << 16))) {
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+ if(!read_option(CMOS_VSTART_amd8131_800MHz,
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+ CMOS_VLEN_amd8131_800MHz, 0))
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+ freq_cap &= ~(1 << HT_FREQ_800Mhz);
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+#else
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freq_cap &= ~(1 << HT_FREQ_800Mhz);
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+#endif
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}
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/* AMD 8151 Errata 23 */
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if (id == (PCI_VENDOR_ID_AMD | (PCI_DEVICE_ID_AMD_8151_SYSCTRL << 16))) {
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@@ -104,7 +111,13 @@
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}
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/* AMD K8 Unsupported 1Ghz? */
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if (id == (PCI_VENDOR_ID_AMD | (0x1100 << 16))) {
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+#if (ALLOW_HT_OVERCLOCKING==1) && (USE_FALLBACK_IMAGE==0)
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+ if(!read_option(CMOS_VSTART_amdk8_1GHz,
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+ CMOS_VLEN_amdk8_1GHz, 0))
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+ freq_cap &= ~(1 << HT_FREQ_1000Mhz);
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+#else
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freq_cap &= ~(1 << HT_FREQ_1000Mhz);
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+#endif
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}
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return freq_cap;
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}
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