[SeaBIOS] [PATCH] xhci: allocate scratch pad buffers

[Idwer Vollering]

Running the same branch, with rebase code; commit ID is 83c7484d5c and
a super high speed device is attached to one of the usb 3.0 ports:

SeaBIOS (version rel-1.7.4-26-g83c7484-20131231_152015-debian)
init usb
XHCI init on dev 00:10.0: regs @ 0xf0148000, 4 ports, 32 slots, 32 byte contexts
XHCI    extcap 0x1 @ f0148500
XHCI    protocol USB  3.00, 2 ports (offset 1), def 0
XHCI    protocol USB  2.00, 2 ports (offset 3), def 0
configure_xhci: resetting
xhci_hub_detect port #1: 0x000002a0, powered, pls 5, speed 0 [ - ]
xhci_hub_detect port #2: 0x000002a0, powered, pls 5, speed 0 [ - ]
xhci_hub_detect port #3: 0x000002a0, powered, pls 5, speed 0 [ - ]
xhci_hub_detect port #4: 0x000202e1, powered, pls 7, speed 0 [ - ]
xhci_hub_reset port #4: 0x000202e1, powered, pls 7, speed 0 [ - ]
XHCI port #4: 0x00200e03, powered, enabled, pls 0, speed 3 [High]
set_address 0x000ee6b0
xhci_alloc_pipe: usbdev 0xbf1025d0, ring 0xbf11eb00, slotid 0, epid 1
xhci_cmd_enable_slot:
xhci_trb_queue: ring 0xbf11ed00 [nidx 1, len 0]
xhci_process_events: status change port #4
xhci_process_events: status change port #2
xhci_process_events: status change port #4
xhci_process_events: ring 0xbf11ed00 [trb 0xbf11ed00, evt 0xbf11ee00,
type 33, eidx 1, cc 1]
xhci_alloc_pipe: enable slot: got slotid 1
xhci_cmd_address_device: slotid 1
xhci_trb_queue: ring 0xbf11ed00 [nidx 2, len 0]
WARNING - Timeout at xhci_event_wait:394!
xhci_alloc_pipe: address device: failed (cc -1)
XHCI no devices found
WARNING - Timeout at wait_bit:484!
XHCI init on dev 00:10.1: regs @ 0xf014a000, 4 ports, 32 slots, 32 byte contexts
XHCI    extcap 0x1 @ f014a500
XHCI    protocol USB  3.00, 2 ports (offset 1), def 0
XHCI    protocol USB  2.00, 2 ports (offset 3), def 0
configure_xhci: resetting
xhci_hub_detect port #1: 0x000002a0, powered, pls 5, speed 0 [ - ]
xhci_hub_detect port #2: 0x000002a0, powered, pls 5, speed 0 [ - ]
xhci_hub_detect port #3: 0x000002a0, powered, pls 5, speed 0 [ - ]
xhci_hub_detect port #4: 0x000002a0, powered, pls 5, speed 0 [ - ]
XHCI no devices found
EHCI init on dev 00:12.2 (regs=0xf014f820)
set_address 0xbf1026c0
ehci_alloc_async_pipe 0xbf1026c0 0
ehci_control 0xbf102550 (dir=0 cmd=8 data=0)
ehci_alloc_async_pipe 0xbf1026c0 0
config_usb: 0xbf102550
ehci_control 0xbf102550 (dir=128 cmd=8 data=8)
device rev=0200 cls=00 sub=00 proto=00 size=40
ehci_alloc_async_pipe 0xbf1026c0 0
ehci_control 0xbf102550 (dir=128 cmd=8 data=9)
ehci_control 0xbf102550 (dir=128 cmd=8 data=46)
ehci_free_pipes 0xbf1026c0
EHCI init on dev 00:13.2 (regs=0xf014f920)
ehci_free_pipes 0xbf1026c0
OHCI init on dev 00:12.0 (regs=0xf014c000)
set_address 0xbf1026c0
ohci_alloc_async_pipe 0xbf1026c0
ohci_control 0xbf1025c0
ohci_alloc_async_pipe 0xbf1026c0
config_usb: 0xbf1025c0
ohci_control 0xbf1025c0
device rev=0110 cls=00 sub=00 proto=00 size=08
ohci_alloc_async_pipe 0xbf1026c0
ohci_control 0xbf1025c0
ohci_control 0xbf1025c0
ohci_control 0xbf1025c0
usb_hid_setup 0xbf1025c0
ohci_control 0xbf1025c0
ohci_control 0xbf1025c0
ohci_alloc_intr_pipe 0xbf1026c0 3
USB keyboard initialized
ohci_free_pipes 0xbf1026c0
OHCI init on dev 00:13.0 (regs=0xf014d000)
ohci_free_pipes 0xbf102610
OHCI init on dev 00:14.5 (regs=0xf014e000)
ohci_free_pipes 0xbf1025c0