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