ibexpeak: Set number of USB ports.
Change-Id: Ife3febcc88967386dfae624cd237562a34a68471 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/5956 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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@ -30,6 +30,8 @@
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static void usb_ehci_init(struct device *dev)
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{
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u32 reg32;
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struct resource *res;
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u8 access_cntl;
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/* Disable Wake on Disconnect in RMH */
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reg32 = RCBA32(0x35b0);
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@ -50,6 +52,21 @@ static void usb_ehci_init(struct device *dev)
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//reg32 |= PCI_COMMAND_SERR;
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pci_write_config32(dev, PCI_COMMAND, reg32);
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access_cntl = pci_read_config8(dev, 0x80);
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/* Enable writes to protected registers. */
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pci_write_config8(dev, 0x80, access_cntl | 1);
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res = find_resource(dev, PCI_BASE_ADDRESS_0);
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if (res) {
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/* Number of ports and companion controllers. */
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reg32 = read32(res->base + 4);
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write32(res->base + 4, (reg32 & 0xfff00000) | 2);
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}
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/* Restore protection. */
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pci_write_config8(dev, 0x80, access_cntl);
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printk(BIOS_DEBUG, "done.\n");
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}
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