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| author | Patrick Georgi <patrick@georgi-clan.de> | 2013-12-21 11:41:22 +0100 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2014-01-08 13:24:39 +0100 |
| commit | fdb348a1d12965b8f6566b217466d50b8c015020 (patch) | |
| tree | 37bae05efc580f563c3408726bbfc9cc0236d48e /payloads/libpayload/drivers/usb/xhci.c | |
| parent | 4dba06a827af7962c9441a5f6a08f8f9b95224e0 (diff) | |
| download | coreboot-fdb348a1d12965b8f6566b217466d50b8c015020.tar.xz | |
libpayload: reintroduce optional PCI in XHCI driver
being a good citizen on the box, libpayload tries to return to EHCI
mode on shutdown, so a non-XHCI capable USB driver after it (eg. in
the OS) finds something to work with.
Change-Id: Id227d646e08a258b841c644263112f0815dd486c
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/4547
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads/libpayload/drivers/usb/xhci.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/payloads/libpayload/drivers/usb/xhci.c b/payloads/libpayload/drivers/usb/xhci.c index aa2fe579a2..6106342e58 100644 --- a/payloads/libpayload/drivers/usb/xhci.c +++ b/payloads/libpayload/drivers/usb/xhci.c @@ -303,16 +303,15 @@ hci_t * xhci_pci_init (pcidev_t addr) { u32 reg_addr; - hci_t controller; + hci_t *controller; reg_addr = (u32)phys_to_virt(pci_read_config32 (addr, 0x10) & ~0xf); - //controller->reg_base = pci_read_config32 (addr, 0x14) & ~0xf; if (pci_read_config32 (addr, 0x14) > 0) { fatal("We don't do 64bit addressing.\n"); } controller = xhci_init((void *)(unsigned long)reg_addr); - controller->bus_address = addr; + controller->pcidev = addr; xhci_switch_ppt_ports(addr); @@ -414,7 +413,8 @@ xhci_shutdown(hci_t *const controller) xhci_stop(controller); - xhci_switchback_ppt_ports(controller->bus_address); + if (controller->pcidev) + xhci_switchback_ppt_ports(controller->pcidev); if (xhci->sp_ptrs) { const size_t max_sp_bufs = xhci->capreg->Max_Scratchpad_Bufs; |