diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/MAC/dtsec_mii_acc.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/MAC/dtsec_mii_acc.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/MAC/dtsec_mii_acc.c b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/MAC/dtsec_mii_acc.c new file mode 100644 index 0000000..87da25f --- /dev/null +++ b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/MAC/dtsec_mii_acc.c @@ -0,0 +1,97 @@ +/* + * Copyright 2008-2013 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. + */ + + +/****************************************************************************** + @File dtsec_mii_acc.c + + @Description FM dtsec MII register access MAC ... +*//***************************************************************************/ + +#include "error_ext.h" +#include "std_ext.h" +#include "fm_mac.h" +#include "dtsec.h" +#include "fsl_fman_dtsec_mii_acc.h" + + +/*****************************************************************************/ +t_Error DTSEC_MII_WritePhyReg(t_Handle h_Dtsec, + uint8_t phyAddr, + uint8_t reg, + uint16_t data) +{ + t_Dtsec *p_Dtsec = (t_Dtsec *)h_Dtsec; + struct dtsec_mii_reg *miiregs; + uint16_t dtsec_freq; + t_Error err; + + SANITY_CHECK_RETURN_ERROR(p_Dtsec, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_Dtsec->p_MiiMemMap, E_INVALID_HANDLE); + + dtsec_freq = (uint16_t)(p_Dtsec->fmMacControllerDriver.clkFreq >> 1); + miiregs = p_Dtsec->p_MiiMemMap; + + err = (t_Error)fman_dtsec_mii_write_reg(miiregs, phyAddr, reg, data, dtsec_freq); + + return err; +} + +/*****************************************************************************/ +t_Error DTSEC_MII_ReadPhyReg(t_Handle h_Dtsec, + uint8_t phyAddr, + uint8_t reg, + uint16_t *p_Data) +{ + t_Dtsec *p_Dtsec = (t_Dtsec *)h_Dtsec; + struct dtsec_mii_reg *miiregs; + uint16_t dtsec_freq; + t_Error err; + + SANITY_CHECK_RETURN_ERROR(p_Dtsec, E_INVALID_HANDLE); + SANITY_CHECK_RETURN_ERROR(p_Dtsec->p_MiiMemMap, E_INVALID_HANDLE); + + dtsec_freq = (uint16_t)(p_Dtsec->fmMacControllerDriver.clkFreq >> 1); + miiregs = p_Dtsec->p_MiiMemMap; + + err = fman_dtsec_mii_read_reg(miiregs, phyAddr, reg, p_Data, dtsec_freq); + + if (*p_Data == 0xffff) + RETURN_ERROR(MINOR, E_NO_DEVICE, + ("Read wrong data (0xffff): phyAddr 0x%x, reg 0x%x", + phyAddr, reg)); + if (err) + RETURN_ERROR(MINOR, (t_Error)err, NO_MSG); + + return E_OK; +} + |