FreeBSD/Linux Kernel Cross Reference
sys/contrib/ncsw/Peripherals/FM/Pcd/fman_prs.c

     /*
      * Copyright 2012 Freescale Semiconductor Inc.
      *
      * 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.
     *     * Neither the name of Freescale Semiconductor nor the
     *       names of its contributors may be used to endorse or promote products
     *       derived from this software without specific prior written permission.
     *
     *
     * ALTERNATIVELY, this software may be distributed under the terms of the
     * GNU General Public License ("GPL") as published by the Free Software
     * Foundation, either version 2 of that License or (at your option) any
     * later version.
     *
     * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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.
     */
    
    #include "fsl_fman_prs.h"
    
    uint32_t fman_prs_get_err_event(struct fman_prs_regs *regs, uint32_t ev_mask)
    {
            return ioread32be(&regs->fmpr_perr) & ev_mask;
    }
    
    uint32_t fman_prs_get_err_ev_mask(struct fman_prs_regs *regs)
    {
            return ioread32be(&regs->fmpr_perer);
    }
    
    void fman_prs_ack_err_event(struct fman_prs_regs *regs, uint32_t event)
    {
            iowrite32be(event, &regs->fmpr_perr);
    }
    
    uint32_t fman_prs_get_expt_event(struct fman_prs_regs *regs, uint32_t ev_mask)
    {
            return ioread32be(&regs->fmpr_pevr) & ev_mask;
    }
    
    uint32_t fman_prs_get_expt_ev_mask(struct fman_prs_regs *regs)
    {
            return ioread32be(&regs->fmpr_pever);
    }
    
    void fman_prs_ack_expt_event(struct fman_prs_regs *regs, uint32_t event)
    {
            iowrite32be(event, &regs->fmpr_pevr);
    }
    
    void fman_prs_defconfig(struct fman_prs_cfg *cfg)
    {
            cfg->port_id_stat = 0;
            cfg->max_prs_cyc_lim = DEFAULT_MAX_PRS_CYC_LIM;
            cfg->prs_exceptions = 0x03000000;
    }
    
    int fman_prs_init(struct fman_prs_regs *regs, struct fman_prs_cfg *cfg)
    {
            uint32_t tmp;
    
            iowrite32be(cfg->max_prs_cyc_lim, &regs->fmpr_rpclim);
            iowrite32be((FM_PCD_PRS_SINGLE_ECC | FM_PCD_PRS_PORT_IDLE_STS),
                            &regs->fmpr_pevr);
    
            if (cfg->prs_exceptions & FM_PCD_EX_PRS_SINGLE_ECC)
                    iowrite32be(FM_PCD_PRS_SINGLE_ECC, &regs->fmpr_pever);
            else
                    iowrite32be(0, &regs->fmpr_pever);
    
            iowrite32be(FM_PCD_PRS_DOUBLE_ECC, &regs->fmpr_perr);
    
            tmp = 0;
            if (cfg->prs_exceptions & FM_PCD_EX_PRS_DOUBLE_ECC)
                    tmp |= FM_PCD_PRS_DOUBLE_ECC;
            iowrite32be(tmp, &regs->fmpr_perer);
    
            iowrite32be(cfg->port_id_stat, &regs->fmpr_ppsc);
    
            return 0;
    }
    
    void fman_prs_enable(struct fman_prs_regs *regs)
    {
            uint32_t tmp;
   
           tmp = ioread32be(&regs->fmpr_rpimac) | FM_PCD_PRS_RPIMAC_EN;
           iowrite32be(tmp, &regs->fmpr_rpimac);
   }
   
   void fman_prs_disable(struct fman_prs_regs *regs)
   {
           uint32_t tmp;
   
           tmp = ioread32be(&regs->fmpr_rpimac) & ~FM_PCD_PRS_RPIMAC_EN;
           iowrite32be(tmp, &regs->fmpr_rpimac);
   }
   
   int fman_prs_is_enabled(struct fman_prs_regs *regs)
   {
           return ioread32be(&regs->fmpr_rpimac) & FM_PCD_PRS_RPIMAC_EN;
   }
   
   void fman_prs_set_stst_port_msk(struct fman_prs_regs *regs, uint32_t pid_msk)
   {
           iowrite32be(pid_msk, &regs->fmpr_ppsc);
   }
   
   void fman_prs_set_stst(struct fman_prs_regs *regs, bool enable)
   {
           if (enable)
                   iowrite32be(FM_PCD_PRS_PPSC_ALL_PORTS, &regs->fmpr_ppsc);
           else
                   iowrite32be(0, &regs->fmpr_ppsc);
   }

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