diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0100-northbridge-amd-amdfam10-Fix-poor-performance-on-Fam.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0100-northbridge-amd-amdfam10-Fix-poor-performance-on-Fam.patch | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0100-northbridge-amd-amdfam10-Fix-poor-performance-on-Fam.patch b/resources/libreboot/patch/kgpe-d16/0100-northbridge-amd-amdfam10-Fix-poor-performance-on-Fam.patch deleted file mode 100644 index cca5d53..0000000 --- a/resources/libreboot/patch/kgpe-d16/0100-northbridge-amd-amdfam10-Fix-poor-performance-on-Fam.patch +++ /dev/null @@ -1,72 +0,0 @@ -From 718c44eb4a990acd5aedd7a57bacf43ebb7c76a6 Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Fri, 7 Aug 2015 19:06:09 -0500 -Subject: [PATCH 100/143] northbridge/amd/amdfam10: Fix poor performance on - Family 15h CPUs - -Change-Id: I193749bc767b7c1139de7cd67622a7b03298009b -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/northbridge/amd/amdfam10/nb_control.c | 4 ++-- - src/northbridge/amd/amdfam10/northbridge.c | 21 +++++++++++++++++++++ - 2 files changed, 23 insertions(+), 2 deletions(-) - -diff --git a/src/northbridge/amd/amdfam10/nb_control.c b/src/northbridge/amd/amdfam10/nb_control.c -index f95b6f8..8e8dd57 100644 ---- a/src/northbridge/amd/amdfam10/nb_control.c -+++ b/src/northbridge/amd/amdfam10/nb_control.c -@@ -60,10 +60,10 @@ static void nb_control_init(struct device *dev) - pci_write_config32(dev, 0xe0, dword); - - /* Configure northbridge P-states */ -- dword = pci_read_config32(dev, 0xe0); -+ dword = pci_read_config32(dev, 0x170); - dword &= ~(0x7 << 9); /* NbPstateThreshold = compute_unit_count */ - dword |= (compute_unit_count & 0x7) << 9; -- pci_write_config32(dev, 0xe0, dword); -+ pci_write_config32(dev, 0x170, dword); - - printk(BIOS_DEBUG, "done.\n"); - } -diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c -index 808cd3a..3a899c8 100644 ---- a/src/northbridge/amd/amdfam10/northbridge.c -+++ b/src/northbridge/amd/amdfam10/northbridge.c -@@ -1759,6 +1759,8 @@ static void detect_and_enable_probe_filter(device_t dev) - - disable_cache(); - asm("wbinvd"); -+ -+ /* Enable probe filter */ - for (i = 0; i < sysconf.nodes; i++) { - device_t f3x_dev = dev_find_slot(0, PCI_DEVFN(0x18 + i, 3)); - -@@ -1775,6 +1777,25 @@ static void detect_and_enable_probe_filter(device_t dev) - do { - } while (!(pci_read_config32(f3x_dev, 0x1d4) & (0x1 << 19))); - } -+ -+ if (is_fam15h()) { -+ printk(BIOS_DEBUG, "Enabling ATM mode\n"); -+ -+ /* Enable ATM mode */ -+ for (i = 0; i < sysconf.nodes; i++) { -+ device_t f0x_dev = dev_find_slot(0, PCI_DEVFN(0x18 + i, 0)); -+ device_t f3x_dev = dev_find_slot(0, PCI_DEVFN(0x18 + i, 3)); -+ -+ dword = pci_read_config32(f0x_dev, 0x68); -+ dword |= (0x1 << 12); /* ATMModeEn = 1 */ -+ pci_write_config32(f0x_dev, 0x68, dword); -+ -+ dword = pci_read_config32(f3x_dev, 0x1b8); -+ dword |= (0x1 << 27); /* L3ATMModeEn = 1 */ -+ pci_write_config32(f3x_dev, 0x1b8, dword); -+ } -+ } -+ - enable_cache(); - - /* Reenable L3 and DRAM scrubbers */ --- -1.7.9.5 - |