/*
* Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
* All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* This file contains all of the code that is specific to the SerDes
* on the QLogic_IB 7220 chip.
*/
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/firmware.h>
#include "qib.h"
#include "qib_7220.h"
#define SD7220_FW_NAME "qlogic/sd7220.fw"
MODULE_FIRMWARE(SD7220_FW_NAME);
/*
* Same as in qib_iba7220.c, but just the registers needed here.
* Could move whole set to qib_7220.h, but decided better to keep
* local.
*/
#define KREG_IDX(regname) (QIB_7220_##regname##_OFFS / sizeof(u64))
#define kr_hwerrclear KREG_IDX(HwErrClear)
#define kr_hwerrmask KREG_IDX(HwErrMask)
#define kr_hwerrstatus KREG_IDX(HwErrStatus)
#define kr_ibcstatus KREG_IDX(IBCStatus)
#define kr_ibserdesctrl KREG_IDX(IBSerDesCtrl)
#define kr_scratch KREG_IDX(Scratch)
#define kr_xgxs_cfg KREG_IDX(XGXSCfg)
/* these are used only here, not in qib_iba7220.c */
#define kr_ibsd_epb_access_ctrl KREG_IDX(ibsd_epb_access_ctrl)
#define kr_ibsd_epb_transaction_reg KREG_IDX(ibsd_epb_transaction_reg)
#define kr_pciesd_epb_transaction_reg KREG_IDX(pciesd_epb_transaction_reg)
#define kr_pciesd_epb_access_ctrl KREG_IDX(pciesd_epb_access_ctrl)
#define kr_serdes_ddsrxeq0 KREG_IDX(SerDes_DDSRXEQ0)
/*
* The IBSerDesMappTable is a memory that holds values to be stored in
* various SerDes registers by IBC.
*/
#define kr_serdes_maptable KREG_IDX(IBSerDesMappTable)
/*
* Below used for sdnum parameter, selecting one of the two sections
* used for PCIe, or the single SerDes used for IB.
*/
#define PCIE_SERDES0 0
#define PCIE_SERDES1 1
/*
* The EPB requires addressing in a particular form. EPB_LOC() is intended
* to make #definitions a little more readable.
*/
#define EPB_ADDR_SHF 8
#define EPB_LOC(chn, elt, reg) \
(((elt & 0xf) | ((chn & 7) << 4) | ((reg & 0x3f) << 9)) << \
EPB_ADDR_SHF)
#define EPB_IB_QUAD0_CS_SHF (25)
#define EPB_IB_QUAD0_CS (1U << EPB_IB_QUAD0_CS_SHF)
#define EPB_IB_UC_CS_SHF (26)
#define EPB_PCIE_UC_CS_SHF (27)
#define EPB_GLOBAL_WR (1U << (EPB_ADDR