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authorSimon Glass <sjg@chromium.org>2016-01-17 16:11:33 -0700
committerBin Meng <bmeng.cn@gmail.com>2016-01-24 12:08:18 +0800
commit887cba8f38e237735bb1d84b34dfbbf032e5b6b6 (patch)
tree0eb6e0ec986cae56a3e7ae55a3b015ab15d8bc9d /arch/x86/cpu
parent1a9dd221c679705b131b160b6342f218ea71bd96 (diff)
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x86: ivybridge: Drop unnecessary northbridge setup
This is done by default with PCI auto-config. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu')
-rw-r--r--arch/x86/cpu/ivybridge/pci.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/arch/x86/cpu/ivybridge/pci.c b/arch/x86/cpu/ivybridge/pci.c
index 8af99b4..b081469 100644
--- a/arch/x86/cpu/ivybridge/pci.c
+++ b/arch/x86/cpu/ivybridge/pci.c
@@ -19,32 +19,12 @@
static int pci_ivybridge_probe(struct udevice *bus)
{
- struct pci_controller *hose = dev_get_uclass_priv(bus);
- pci_dev_t dev;
- u16 reg16;
-
if (!(gd->flags & GD_FLG_RELOC))
return 0;
post_code(0x50);
bd82x6x_init_extra();
post_code(0x51);
- reg16 = 0xff;
- dev = PCH_DEV;
- reg16 = x86_pci_read_config16(dev, PCI_COMMAND);
- reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
- x86_pci_write_config16(dev, PCI_COMMAND, reg16);
-
- /*
- * Clear non-reserved bits in status register.
- */
- pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
- pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
- pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
-
- pci_write_bar32(hose, dev, 0, 0xf0000000);
- post_code(0x52);
-
return 0;
}