diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0121-southbridge-amd-sb700-Fix-drifting-system-clock.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0121-southbridge-amd-sb700-Fix-drifting-system-clock.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0121-southbridge-amd-sb700-Fix-drifting-system-clock.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0121-southbridge-amd-sb700-Fix-drifting-system-clock.patch deleted file mode 100644 index 75a11f6..0000000 --- a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0121-southbridge-amd-sb700-Fix-drifting-system-clock.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 49e08c434dc1b0a608496f0187c18d2ce83a59e0 Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Fri, 28 Aug 2015 15:31:31 -0500 -Subject: [PATCH 121/143] southbridge/amd/sb700: Fix drifting system clock - -Change-Id: I1698c9b9b1840d254115821f3c0e76b7211e9056 -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/southbridge/amd/sb700/early_setup.c | 14 +++++++++++--- - 1 file changed, 11 insertions(+), 3 deletions(-) - -diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c -index da03961..fe8824f 100644 ---- a/src/southbridge/amd/sb700/early_setup.c -+++ b/src/southbridge/amd/sb700/early_setup.c -@@ -431,10 +431,10 @@ static void sb700_devices_por_init(void) - - /* Configure HPET Counter CLK period */ - byte = pci_read_config8(dev, 0x43); -- byte &= 0xF7; /* unhide HPET regs */ -+ byte &= 0xF7; /* Unhide HPET regs */ - pci_write_config8(dev, 0x43, byte); -- pci_write_config32(dev, 0x34, 0x0429B17E ); /* Counter CLK period */ -- byte |= 0x08; /* hide HPET regs */ -+ pci_write_config32(dev, 0x34, 0xb0); /* HPET_CNTRL = 0xb0 */ -+ byte |= 0x08; /* Hide HPET regs */ - pci_write_config8(dev, 0x43, byte); - - /* Features Enable */ -@@ -669,6 +669,14 @@ static void sb700_pmio_por_init(void) - byte = pmio_read(0xbb); - byte |= 0xc0; - pmio_write(0xbb, byte); -+ -+#if CONFIG_SOUTHBRIDGE_AMD_SUBTYPE_SP5100 -+ /* Work around system clock drift issues */ -+ byte = pmio_read(0xd4); -+ byte |= 0x1 << 6; /* Enable alternate 14MHz clock source */ -+ byte |= 0x1 << 7; /* Disable 25MHz oscillator buffer */ -+ pmio_write(0xd4, byte); -+#endif - } - - /* --- -1.7.9.5 - |