diff options
| 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 | |
| parent | 4dba06a827af7962c9441a5f6a08f8f9b95224e0 (diff) | |
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>
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci.c | 8 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci.h | 2 | ||||
| -rw-r--r-- | payloads/libpayload/include/usb/usb.h | 1 |
3 files changed, 6 insertions, 5 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; diff --git a/payloads/libpayload/drivers/usb/xhci.h b/payloads/libpayload/drivers/usb/xhci.h index b76c9829b3..ddc9297b58 100644 --- a/payloads/libpayload/drivers/usb/xhci.h +++ b/payloads/libpayload/drivers/usb/xhci.h @@ -34,7 +34,7 @@ #include <usb/usb.h> hci_t *xhci_pci_init (pcidev_t addr); -hci_t *xhci_init (void *bar); +hci_t *xhci_init (const void *bar); void xhci_rh_init (usbdev_t *dev); diff --git a/payloads/libpayload/include/usb/usb.h b/payloads/libpayload/include/usb/usb.h index a351690418..0bfbc20327 100644 --- a/payloads/libpayload/include/usb/usb.h +++ b/payloads/libpayload/include/usb/usb.h @@ -119,6 +119,7 @@ typedef enum { OHCI = 0, UHCI = 1, EHCI = 2, XHCI = 3} hc_type; struct usbdev_hc { hci_t *next; u32 reg_base; + pcidev_t pcidev; // 0 if not used (eg on ARM) hc_type type; usbdev_t *devices[128]; // dev 0 is root hub, 127 is last addressable |