152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2010 coresystems GmbH
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*
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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
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* 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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __EHCI_PRIVATE_H
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#define __EHCI_PRIVATE_H
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#include <usb/usb.h>
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#define USBBASE 0x10
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#define FLADJ 0x61
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#define FLADJ_framelength(x) (((x)-59488)/16)
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typedef volatile u32 portsc_t;
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#define P_CURR_CONN_STATUS (1 << 0)
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#define P_CONN_STATUS_CHANGE (1 << 1)
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#define P_PORT_ENABLE (1 << 2)
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#define P_PORT_RESET (1 << 8)
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#define P_LINE_STATUS (3 << 10)
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#define P_LINE_STATUS_LOWSPEED (1 << 10)
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#define P_PP (1 << 12)
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#define P_PORT_OWNER (1 << 13)
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typedef volatile struct {
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#define HCS_NPORTS_MASK 0xf
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#define HCS_PORT_POWER_CONTROL 0x10
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u8 caplength;
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u8 res1;
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u16 hciversion;
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u32 hcsparams;
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u32 hccparams;
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u64 hcsp_portroute;
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} __packed hc_cap_t;
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typedef volatile struct {
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u32 usbcmd;
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#define HC_OP_RS 1
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#define HC_OP_HC_RESET (1 << 1)
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#define HC_OP_PERIODIC_SCHED_EN_SHIFT 4
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#define HC_OP_PERIODIC_SCHED_EN (1 << HC_OP_PERIODIC_SCHED_EN_SHIFT)
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#define HC_OP_ASYNC_SCHED_EN_SHIFT 5
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#define HC_OP_ASYNC_SCHED_EN (1 << HC_OP_ASYNC_SCHED_EN_SHIFT)
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u32 usbsts;
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#define HC_OP_PERIODIC_SCHED_STAT_SHIFT 14
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#define HC_OP_PERIODIC_SCHED_STAT (1 << HC_OP_PERIODIC_SCHED_STAT_SHIFT)
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#define HC_OP_ASYNC_SCHED_STAT_SHIFT 15
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#define HC_OP_ASYNC_SCHED_STAT (1 << HC_OP_ASYNC_SCHED_STAT_SHIFT)
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#define HC_OP_HC_HALTED_SHIFT 12
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#define HC_OP_HC_HALTED (1 << HC_OP_HC_HALTED_SHIFT)
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u32 usbintr;
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u32 frindex;
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u32 ctrldssegment;
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u32 periodiclistbase;
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u32 asynclistaddr;
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u8 res1[0x40-0x1c];
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u32 configflag;
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portsc_t portsc[0];
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u8 res2[0x40];
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u32 hostpc;
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/* hostpc register is used for CONFIG_LP_USB_EHCI_HOSTPC_ROOT_HUB_TT */
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} __packed hc_op_t;
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typedef volatile struct {
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#define QTD_TERMINATE 1
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#define QTD_PTR_MASK ~0x1f
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u32 next_qtd;
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u32 alt_next_qtd;
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u32 token;
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#define QTD_STATUS_MASK 0xff
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#define QTD_HALTED (1 << 6)
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#define QTD_ACTIVE (1 << 7)
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#define QTD_PID_SHIFT 8
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#define QTD_PID_MASK (3 << QTD_PID_SHIFT)
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#define QTD_CERR_SHIFT 10
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#define QTD_CERR_MASK (3 << QTD_CERR_SHIFT)
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#define QTD_CPAGE_SHIFT 12
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#define QTD_CPAGE_MASK (7 << QTD_CPAGE_SHIFT)
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#define QTD_TOTAL_LEN_SHIFT 16
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#define QTD_TOTAL_LEN_MASK (((1 << 15)-1) << QTD_TOTAL_LEN_SHIFT)
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#define QTD_TOGGLE_SHIFT 31
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#define QTD_TOGGLE_MASK (1 << 31)
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#define QTD_TOGGLE_DATA0 0
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#define QTD_TOGGLE_DATA1 (1 << QTD_TOGGLE_SHIFT)
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u32 bufptrs[5];
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u32 bufptrs64[5];
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} __packed qtd_t;
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typedef volatile struct {
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u32 horiz_link_ptr;
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#define QH_TERMINATE 1
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#define QH_iTD (0 << 1)
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#define QH_QH (1 << 1)
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#define QH_siTD (2 << 1)
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#define QH_FSTN (3 << 1)
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u32 epchar;
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#define QH_EP_SHIFT 8
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#define QH_EPS_SHIFT 12
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#define QH_DTC_SHIFT 14
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#define QH_RECLAIM_HEAD_SHIFT 15
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#define QH_MPS_SHIFT 16
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#define QH_NON_HS_CTRL_EP_SHIFT 27
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#define QH_NAK_CNT_SHIFT 28
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u32 epcaps;
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#define QH_UFRAME_CMASK_SHIFT 8
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#define QH_HUB_ADDRESS_SHIFT 16
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#define QH_PORT_NUMBER_SHIFT 23
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#define QH_PIPE_MULTIPLIER_SHIFT 30
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volatile u32 current_td_ptr;
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volatile qtd_t td;
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} __packed ehci_qh_t;
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typedef struct ehci {
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hc_cap_t *capabilities;
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hc_op_t *operation;
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ehci_qh_t *dummy_qh;
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#define DMA_SIZE (64 * 1024)
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void *dma_buffer;
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} ehci_t;
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#define PS_TERMINATE 1
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#define PS_TYPE_QH (1 << 1)
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#define PS_PTR_MASK ~0x1f
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#define EHCI_INST(controller) ((ehci_t*)((controller)->instance))
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#endif
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