]> git.sur5r.net Git - u-boot/commitdiff
x86: ivybridge: Drop unnecessary northbridge setup
authorSimon Glass <sjg@chromium.org>
Sun, 17 Jan 2016 23:11:33 +0000 (16:11 -0700)
committerBin Meng <bmeng.cn@gmail.com>
Sun, 24 Jan 2016 04:08:18 +0000 (12:08 +0800)
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>
arch/x86/cpu/ivybridge/pci.c

index 8af99b44474887bc39115a7534cf65d750c14b84..b081469c96e9c551c54c3e6df723fd3c5ce21481 100644 (file)
 
 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;
 }