x86: ivybridge: Remove the dead codes that programs pci bridge
Remove bd82x6x_pci_bus_enable_resources() that is not called anywhere. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
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@ -55,38 +55,6 @@ void bd82x6x_pci_init(pci_dev_t dev)
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x86_pci_write_config16(dev, SECSTS, reg16);
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x86_pci_write_config16(dev, SECSTS, reg16);
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}
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}
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#define PCI_BRIDGE_UPDATE_COMMAND
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void bd82x6x_pci_dev_enable_resources(pci_dev_t dev)
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{
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uint16_t command;
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command = x86_pci_read_config16(dev, PCI_COMMAND);
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command |= PCI_COMMAND_IO;
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#ifdef PCI_BRIDGE_UPDATE_COMMAND
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/*
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* If we write to PCI_COMMAND, on some systems this will cause the
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* ROM and APICs to become invisible.
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*/
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debug("%x cmd <- %02x\n", dev, command);
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x86_pci_write_config16(dev, PCI_COMMAND, command);
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#else
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printf("%s cmd <- %02x (NOT WRITTEN!)\n", dev_path(dev), command);
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#endif
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}
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void bd82x6x_pci_bus_enable_resources(pci_dev_t dev)
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{
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uint16_t ctrl;
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ctrl = x86_pci_read_config16(dev, PCI_BRIDGE_CONTROL);
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ctrl |= PCI_COMMAND_IO;
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ctrl |= PCI_BRIDGE_CTL_VGA;
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debug("%x bridge ctrl <- %04x\n", dev, ctrl);
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x86_pci_write_config16(dev, PCI_BRIDGE_CONTROL, ctrl);
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bd82x6x_pci_dev_enable_resources(dev);
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}
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static int bd82x6x_probe(struct udevice *dev)
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static int bd82x6x_probe(struct udevice *dev)
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{
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{
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const void *blob = gd->fdt_blob;
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const void *blob = gd->fdt_blob;
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