2013-12-11 08:31:27 +01:00
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/**************************************************************************/
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/*!
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@file ohci.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#include "common/common.h"
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#if MODE_HOST_SUPPORTED && (TUSB_CFG_MCU == MCU_LPC175X_6X)
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#include "hal/hal.h"
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#include "osal/osal.h"
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#include "common/timeout_timer.h"
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#include "../hcd.h"
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#include "../usbh_hcd.h"
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#include "ohci.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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#define OHCI_REG ((ohci_registers_t *) LPC_USB_BASE)
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2013-12-13 06:26:37 +01:00
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enum {
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OHCI_CONTROL_FUNCSTATE_RESET = 0,
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OHCI_CONTROL_FUNCSTATE_RESUME,
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OHCI_CONTROL_FUNCSTATE_OPERATIONAL,
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OHCI_CONTROL_FUNCSTATE_SUSPEND
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};
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enum {
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OHCI_CONTROL_CONTROL_BULK_RATIO = 3,
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OHCI_CONTROL_LIST_PERIODIC_ENABLE_MASK = BIT_(2),
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OHCI_CONTROL_LIST_ISOCHRONOUS_ENABLE_MASK = BIT_(3),
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OHCI_CONTROL_LIST_CONTROL_ENABLE_MASK = BIT_(4),
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OHCI_CONTROL_LIST_BULK_ENABLE_MASK = BIT_(5),
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};
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enum {
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OHCI_FMINTERVAL_FI = 0x2EDF, // 7.3.1 nominal (reset) value
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OHCI_FMINTERVAL_FSMPS = (6*(OHCI_FMINTERVAL_FI-210)) / 7, // 5.4 calculated based on maximum overhead + bit stuffing
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};
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enum {
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OHCI_PERIODIC_START = 0x3E67
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};
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enum {
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OHCI_INT_SCHEDULING_OVERUN_MASK = BIT_(0),
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OHCI_INT_WRITEBACK_DONEHEAD_MASK = BIT_(1),
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OHCI_INT_SOF_MASK = BIT_(2),
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OHCI_INT_RESUME_DETECTED_MASK = BIT_(3),
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OHCI_INT_UNRECOVERABLE_ERROR_MASK = BIT_(4),
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OHCI_INT_FRAME_OVERFLOW_MASK = BIT_(5),
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OHCI_INT_RHPORT_STATUS_CHANGE_MASK = BIT_(6),
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OHCI_INT_OWNERSHIP_CHANGE_MASK = BIT_(30),
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OHCI_INT_MASTER_ENABLE_MASK = BIT_(31),
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2013-12-16 06:35:05 +01:00
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};
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enum {
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OHCI_RHPORT_CURRENT_CONNECT_STATUS_MASK = BIT_(0),
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OHCI_RHPORT_PORT_ENABLE_STATUS_MASK = BIT_(1),
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OHCI_RHPORT_PORT_SUSPEND_STATUS_MASK = BIT_(2),
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OHCI_RHPORT_PORT_OVER_CURRENT_INDICATOR_MASK = BIT_(3),
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OHCI_RHPORT_PORT_RESET_STATUS_MASK = BIT_(4), ///< write '1' to reset port
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OHCI_RHPORT_PORT_POWER_STATUS_MASK = BIT_(8),
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OHCI_RHPORT_LOW_SPEED_DEVICE_ATTACHED_MASK = BIT_(9),
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OHCI_RHPORT_CONNECT_STATUS_CHANGE_MASK = BIT_(16),
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OHCI_RHPORT_PORT_ENABLE_CHANGE_MASK = BIT_(17),
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OHCI_RHPORT_PORT_SUSPEND_CHANGE_MASK = BIT_(18),
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OHCI_RHPORT_OVER_CURRENT_CHANGE_MASK = BIT_(19),
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OHCI_RHPORT_PORT_RESET_CHANGE_MASK = BIT_(20),
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OHCI_RHPORT_ALL_CHANGE_MASK = OHCI_RHPORT_CONNECT_STATUS_CHANGE_MASK | OHCI_RHPORT_PORT_ENABLE_CHANGE_MASK |
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OHCI_RHPORT_PORT_SUSPEND_CHANGE_MASK | OHCI_RHPORT_OVER_CURRENT_CHANGE_MASK | OHCI_RHPORT_PORT_RESET_CHANGE_MASK
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};
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2013-12-13 06:26:37 +01:00
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2013-12-16 06:35:05 +01:00
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enum {
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OHCI_CCODE_NO_ERROR = 0,
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OHCI_CCODE_CRC = 1,
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OHCI_CCODE_BIT_STUFFING = 2,
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OHCI_CCODE_DATA_TOGGLE_MISMATCH = 3,
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OHCI_CCODE_STALL = 4,
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OHCI_CCODE_DEVICE_NOT_RESPONDING = 5,
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OHCI_CCODE_PID_CHECK_FAILURE = 6,
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OHCI_CCODE_UNEXPECTED_PID = 7,
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OHCI_CCODE_DATA_OVERRUN = 8,
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OHCI_CCODE_DATA_UNDERRUN = 9,
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OHCI_CCODE_BUFFER_OVERRUN = 12,
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OHCI_CCODE_BUFFER_UNDERRUN = 13,
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OHCI_CCODE_NOT_ACCESSED = 14,
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2013-12-13 06:26:37 +01:00
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};
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2013-12-16 06:35:05 +01:00
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enum {
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OHCI_INT_ON_COMPLETE_YES = 0,
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OHCI_INT_ON_COMPLETE_NO = BIN8(111)
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};
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2013-12-11 08:31:27 +01:00
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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ohci_data_t ohci_data TUSB_CFG_ATTR_USBRAM;
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//--------------------------------------------------------------------+
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// USBH-HCD API
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//--------------------------------------------------------------------+
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2013-12-13 06:26:37 +01:00
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// Initialization according to 5.1.1.4
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2013-12-11 08:31:27 +01:00
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tusb_error_t hcd_init(void)
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{
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//------------- Data Structure init -------------//
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memclr_(&ohci_data, sizeof(ohci_data_t));
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2013-12-13 06:26:37 +01:00
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ohci_data.control[0].ed.skip = 1;
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// reset controller
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OHCI_REG->command_status_bit.controller_reset = 1;
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while( OHCI_REG->command_status_bit.controller_reset ) {} // should not take longer than 10 us
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// TODO peridoic list build
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// TODO assign control, bulk head
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//------------- init ohci registers -------------//
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OHCI_REG->control_bit.hc_functional_state = OHCI_CONTROL_FUNCSTATE_OPERATIONAL; // move HC to operational state TODO use this to suspend (save power)
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2013-12-11 08:31:27 +01:00
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2013-12-13 06:26:37 +01:00
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OHCI_REG->frame_interval = (OHCI_FMINTERVAL_FSMPS << 16) | OHCI_FMINTERVAL_FI;
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OHCI_REG->periodic_start = (OHCI_FMINTERVAL_FI * 9) / 10; // Periodic start is 90% of frame interval
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2013-12-11 08:31:27 +01:00
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2013-12-13 06:26:37 +01:00
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OHCI_REG->control_head_ed = (uint32_t) &ohci_data.control[0].ed;
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OHCI_REG->hcca = (uint32_t) &ohci_data.hcca;
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OHCI_REG->control |= OHCI_CONTROL_CONTROL_BULK_RATIO | OHCI_CONTROL_LIST_CONTROL_ENABLE_MASK |
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0 /*OHCI_CONTROL_LIST_BULK_ENABLE_MASK*/; // TODO periodic enable
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OHCI_REG->rh_status_bit.local_power_status_change = 1; // set global power for ports
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2013-12-16 06:35:05 +01:00
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OHCI_REG->interrupt_disable = OHCI_REG->interrupt_enable; // disable all interrupts
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2013-12-13 06:26:37 +01:00
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OHCI_REG->interrupt_status = OHCI_REG->interrupt_status; // clear current set bits
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OHCI_REG->interrupt_enable = OHCI_INT_WRITEBACK_DONEHEAD_MASK | OHCI_INT_RESUME_DETECTED_MASK |
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OHCI_INT_UNRECOVERABLE_ERROR_MASK | OHCI_INT_FRAME_OVERFLOW_MASK | OHCI_INT_RHPORT_STATUS_CHANGE_MASK |
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OHCI_INT_MASTER_ENABLE_MASK;
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2013-12-11 08:31:27 +01:00
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return TUSB_ERROR_NONE;
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}
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//--------------------------------------------------------------------+
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// PORT API
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//--------------------------------------------------------------------+
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void hcd_port_reset(uint8_t hostid)
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{
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2013-12-16 06:35:05 +01:00
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OHCI_REG->rhport_status[0] = OHCI_RHPORT_PORT_RESET_STATUS_MASK;
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2013-12-11 08:31:27 +01:00
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}
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bool hcd_port_connect_status(uint8_t hostid)
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{
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2013-12-16 06:35:05 +01:00
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return OHCI_REG->rhport_status_bit[0].current_connect_status;
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2013-12-11 08:31:27 +01:00
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}
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tusb_speed_t hcd_port_speed_get(uint8_t hostid)
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{
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2013-12-16 06:35:05 +01:00
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return OHCI_REG->rhport_status_bit[0].low_speed_device_attached ? TUSB_SPEED_LOW : TUSB_SPEED_FULL;
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2013-12-11 08:31:27 +01:00
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}
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// TODO refractor abtract later
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void hcd_port_unplug(uint8_t hostid)
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{
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// TODO OHCI
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}
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//--------------------------------------------------------------------+
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// Controller API
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// CONTROL PIPE API
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//--------------------------------------------------------------------+
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2013-12-16 06:35:05 +01:00
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static void ed_init(ohci_ed_t *p_ed, uint8_t dev_addr, uint16_t max_packet_size, uint8_t endpoint_addr, uint8_t xfer_type, uint8_t interval)
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{
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// address 0 is used as async head, which always on the list --> cannot be cleared
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if (dev_addr != 0)
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{
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memclr_(p_ed, sizeof(ohci_ed_t));
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}
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p_ed->device_address = dev_addr;
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p_ed->endpoint_number = endpoint_addr & 0x0F;
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p_ed->direction = (xfer_type == TUSB_XFER_CONTROL) ? OHCI_PID_SETUP : ( (endpoint_addr & TUSB_DIR_DEV_TO_HOST_MASK) ? OHCI_PID_IN : OHCI_PID_OUT );
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p_ed->speed = usbh_devices[dev_addr].speed;
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p_ed->is_iso = (xfer_type == TUSB_XFER_ISOCHRONOUS) ? 1 : 0;
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p_ed->max_package_size = max_packet_size;
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}
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static void qtd_init(ohci_gtd_t* p_td, void* data_ptr, uint16_t total_bytes)
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{
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memclr_(p_td, sizeof(ohci_gtd_t));
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p_td->used = 1;
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p_td->expected_bytes = total_bytes;
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p_td->buffer_rounding = 1; // less than queued length is not a error
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p_td->delay_interrupt = OHCI_INT_ON_COMPLETE_NO;
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p_td->condition_code = OHCI_CCODE_NOT_ACCESSED;
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p_td->current_buffer_pointer = data_ptr;
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p_td->buffer_end = total_bytes ? (((uint8_t*) data_ptr) + total_bytes-1) : NULL;
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}
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2013-12-11 08:31:27 +01:00
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tusb_error_t hcd_pipe_control_open(uint8_t dev_addr, uint8_t max_packet_size)
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{
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2013-12-16 06:35:05 +01:00
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ohci_ed_t* const p_ed = &ohci_data.control[dev_addr].ed;
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ed_init(p_ed, dev_addr, max_packet_size, 0, TUSB_XFER_CONTROL, 0); // TODO binterval of control is ignored
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if ( dev_addr != 0 )
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{ // insert to control head
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p_ed->next_ed = ohci_data.control[0].ed.next_ed;
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ohci_data.control[0].ed.next_ed = (uint32_t) p_ed;
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}else
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{
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p_ed->skip = 0; // addr0 is used as static control head --> only need to clear skip bit
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}
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return TUSB_ERROR_NONE;
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2013-12-11 08:31:27 +01:00
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}
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tusb_error_t hcd_pipe_control_xfer(uint8_t dev_addr, tusb_control_request_t const * p_request, uint8_t data[])
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{
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2013-12-16 06:35:05 +01:00
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ohci_ed_t* const p_ed = &ohci_data.control[dev_addr].ed;
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ohci_gtd_t *p_setup = &ohci_data.control[dev_addr].gtd[0];
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ohci_gtd_t *p_data = p_setup + 1;
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ohci_gtd_t *p_status = p_setup + 2;
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//------------- SETUP Phase -------------//
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qtd_init(p_setup, p_request, 8);
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p_setup->index = dev_addr;
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p_setup->pid = OHCI_PID_SETUP;
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p_setup->next_td = (uint32_t) p_data;
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p_setup->data_toggle = BIN8(10); // DATA0
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//------------- DATA Phase -------------//
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if (p_request->wLength > 0)
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{
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qtd_init(p_data, data, p_request->wLength);
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p_data->index = dev_addr;
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p_data->pid = p_request->bmRequestType_bit.direction ? OHCI_PID_IN : OHCI_PID_OUT;
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p_data->data_toggle = BIN8(11); // DATA1
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}else
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{
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p_data = p_setup;
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}
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p_data->next_td = (uint32_t) p_status;
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//------------- STATUS Phase -------------//
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qtd_init(p_status, NULL, 0); // zero-length data
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p_status->index = dev_addr;
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p_status->pid = p_request->bmRequestType_bit.direction ? OHCI_PID_OUT : OHCI_PID_IN; // reverse direction of data phase
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p_status->data_toggle = BIN8(11); // DATA1
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p_status->delay_interrupt = OHCI_INT_ON_COMPLETE_YES;
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//------------- Attach TDs list to Control Endpoint -------------//
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p_ed->td_head = (uint32_t) p_setup;
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p_ed->td_tail = 0;
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OHCI_REG->command_status_bit.control_list_filled = 1;
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return TUSB_ERROR_NONE;
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2013-12-11 08:31:27 +01:00
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}
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tusb_error_t hcd_pipe_control_close(uint8_t dev_addr)
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{
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// TODO OHCI return TUSB_ERROR_NONE;
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}
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//--------------------------------------------------------------------+
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// BULK/INT/ISO PIPE API
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//--------------------------------------------------------------------+
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pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const * p_endpoint_desc, uint8_t class_code)
|
|
|
|
{
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|
// TODO OHCI return TUSB_ERROR_NONE;
|
|
|
|
}
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tusb_error_t hcd_pipe_queue_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes)
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|
|
|
{
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|
// TODO OHCI return TUSB_ERROR_NONE;
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|
}
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tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete)
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|
{
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|
// TODO OHCI return TUSB_ERROR_NONE;
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|
}
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/// pipe_close should only be called as a part of unmount/safe-remove process
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|
tusb_error_t hcd_pipe_close(pipe_handle_t pipe_hdl)
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|
|
|
{
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|
// TODO OHCI return TUSB_ERROR_NONE;
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|
}
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bool hcd_pipe_is_busy(pipe_handle_t pipe_hdl)
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|
{
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|
// TODO OHCI
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}
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bool hcd_pipe_is_error(pipe_handle_t pipe_hdl)
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|
|
{
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|
// TODO OHCI
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}
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bool hcd_pipe_is_stalled(pipe_handle_t pipe_hdl)
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|
{
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|
// TODO OHCI
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|
}
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uint8_t hcd_pipe_get_endpoint_addr(pipe_handle_t pipe_hdl)
|
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|
{
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|
// TODO OHCI
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|
}
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tusb_error_t hcd_pipe_clear_stall(pipe_handle_t pipe_hdl)
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|
|
{
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|
// TODO OHCI return TUSB_ERROR_NONE;
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|
}
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|
//--------------------------------------------------------------------+
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|
// OHCI Interrupt Handler
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|
//--------------------------------------------------------------------+
|
2013-12-16 06:35:05 +01:00
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|
|
static ohci_td_item_t* list_reverse(ohci_td_item_t* td_head)
|
|
|
|
{
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|
|
ohci_td_item_t* td_reverse_head = NULL;
|
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|
|
while(td_head != NULL)
|
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|
|
{
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|
uint32_t next = td_head->next_td;
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|
// make current's item become reverse's first item
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|
td_head->next_td = (uint32_t) td_reverse_head;
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|
|
td_reverse_head = td_head;
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|
|
td_head = (ohci_td_item_t*) next; // advance to next item
|
|
|
|
}
|
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|
|
|
|
return td_reverse_head;
|
|
|
|
}
|
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|
|
static inline bool gtd_is_control(ohci_gtd_t const * const p_qtd) ATTR_CONST ATTR_ALWAYS_INLINE;
|
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|
|
static inline bool gtd_is_control(ohci_gtd_t const * const p_qtd)
|
|
|
|
{
|
|
|
|
return ((uint32_t) p_qtd) < ((uint32_t) ohci_data.device); // check ohci_data_t for memory layout
|
|
|
|
}
|
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|
|
|
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|
|
static inline ohci_ed_t* gtd_get_ed(ohci_gtd_t const * const p_qtd) ATTR_PURE ATTR_ALWAYS_INLINE;
|
|
|
|
static inline ohci_ed_t* gtd_get_ed(ohci_gtd_t const * const p_qtd)
|
|
|
|
{
|
|
|
|
if ( gtd_is_control(p_qtd) )
|
|
|
|
{ // control, index is device address
|
|
|
|
return &ohci_data.control[p_qtd->index].ed;
|
|
|
|
}else
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline uint32_t gtd_xfer_byte_left(uint32_t buffer_end, uint32_t current_buffer) ATTR_CONST ATTR_ALWAYS_INLINE;
|
|
|
|
static inline uint32_t gtd_xfer_byte_left(uint32_t buffer_end, uint32_t current_buffer)
|
|
|
|
{ // 5.2.9 OHCI sample code
|
|
|
|
return (align4k(buffer_end ^ current_buffer) ? 0x1000 : 0) +
|
|
|
|
offset4k(buffer_end) - offset4k(current_buffer) + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void done_queue_isr(hostid)
|
|
|
|
{
|
|
|
|
uint8_t max_loop = (TUSB_CFG_HOST_DEVICE_MAX+1)*OHCI_MAX_QTD;
|
|
|
|
|
|
|
|
// done head is written in reversed order of completion --> need to reverse the done queue first
|
|
|
|
ohci_td_item_t* td_head = list_reverse ( (ohci_td_item_t*) align16(ohci_data.hcca.done_head) );
|
|
|
|
|
|
|
|
while( td_head != NULL && max_loop > 0)
|
|
|
|
{
|
|
|
|
// TODO check if td_head is iso td
|
|
|
|
//------------- Non ISO transfer -------------//
|
|
|
|
ohci_gtd_t * const p_qtd = (ohci_gtd_t * const) td_head;
|
|
|
|
|
|
|
|
p_qtd->used = 0; // free TD
|
|
|
|
if ( p_qtd->delay_interrupt == OHCI_INT_ON_COMPLETE_YES)
|
|
|
|
{
|
|
|
|
ohci_ed_t * const p_ed = gtd_get_ed(p_qtd);
|
|
|
|
|
|
|
|
uint32_t const xferred_bytes = p_qtd->expected_bytes - gtd_xfer_byte_left((uint32_t) p_qtd->buffer_end, (uint32_t) p_qtd->current_buffer_pointer);
|
|
|
|
tusb_event_t const event = (p_qtd->condition_code == OHCI_CCODE_NO_ERROR) ? TUSB_EVENT_XFER_COMPLETE :
|
|
|
|
(p_qtd->condition_code == OHCI_CCODE_STALL) ? TUSB_EVENT_XFER_STALLED : TUSB_EVENT_XFER_ERROR;
|
|
|
|
|
|
|
|
pipe_handle_t pipe_hdl =
|
|
|
|
{
|
|
|
|
.dev_addr = p_ed->device_address,
|
|
|
|
.xfer_type = TUSB_XFER_CONTROL, // TODO other type
|
|
|
|
.index = 0 // TODO other type
|
|
|
|
};
|
|
|
|
|
|
|
|
usbh_xfer_isr(pipe_hdl, 0, // TODO class code
|
|
|
|
event, xferred_bytes);
|
|
|
|
}
|
|
|
|
|
|
|
|
td_head = (ohci_td_item_t*) td_head->next_td;
|
|
|
|
max_loop--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-12-11 08:31:27 +01:00
|
|
|
void hcd_isr(uint8_t hostid)
|
|
|
|
{
|
2013-12-13 06:26:37 +01:00
|
|
|
uint32_t int_status = OHCI_REG->interrupt_status & OHCI_REG->interrupt_enable;
|
|
|
|
|
|
|
|
if (int_status == 0) return;
|
|
|
|
|
2013-12-16 06:35:05 +01:00
|
|
|
//------------- RootHub status -------------//
|
2013-12-13 06:26:37 +01:00
|
|
|
if ( int_status & OHCI_INT_RHPORT_STATUS_CHANGE_MASK )
|
|
|
|
{
|
2013-12-16 06:35:05 +01:00
|
|
|
uint32_t const rhport_status = OHCI_REG->rhport_status[0] & OHCI_RHPORT_ALL_CHANGE_MASK;
|
|
|
|
|
2013-12-13 06:26:37 +01:00
|
|
|
// TODO dual port is not yet supported
|
2013-12-16 06:35:05 +01:00
|
|
|
if ( rhport_status & OHCI_RHPORT_CONNECT_STATUS_CHANGE_MASK )
|
2013-12-13 06:26:37 +01:00
|
|
|
{
|
|
|
|
if ( OHCI_REG->rhport_status_bit[0].current_connect_status )
|
|
|
|
{
|
|
|
|
usbh_hcd_rhport_plugged_isr(0);
|
|
|
|
}else
|
|
|
|
{
|
|
|
|
usbh_hcd_rhport_unplugged_isr(0);
|
|
|
|
}
|
|
|
|
}
|
2013-12-16 06:35:05 +01:00
|
|
|
|
|
|
|
if ( rhport_status & OHCI_RHPORT_PORT_SUSPEND_CHANGE_MASK)
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
OHCI_REG->rhport_status[0] = rhport_status; // acknowledge all interrupt
|
2013-12-13 06:26:37 +01:00
|
|
|
}
|
2013-12-16 06:35:05 +01:00
|
|
|
|
|
|
|
//------------- Transfer Complete -------------//
|
|
|
|
if ( int_status & OHCI_INT_WRITEBACK_DONEHEAD_MASK)
|
|
|
|
{
|
|
|
|
done_queue_isr(hostid);
|
|
|
|
}
|
|
|
|
|
|
|
|
OHCI_REG->interrupt_status = int_status; // Acknowledge handled interrupt
|
2013-12-11 08:31:27 +01:00
|
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
|
|
// HELPER
|
|
|
|
//--------------------------------------------------------------------+
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|