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[Ethernet] Add support for the ethernet module STM32Fxx7 and Micrel PHY

pull/200/merge
BuFran 11 years ago
committed by Piotr Esden-Tempski
parent
723e1a69bd
commit
52758bb8fd
10 changed files with 1554 additions and 0 deletions
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  1. 46
      include/libopencm3/ethernet/mac.h
  2. 753
      include/libopencm3/ethernet/mac_stm32fxx7.h
  3. 91
      include/libopencm3/ethernet/phy.h
  4. 60
      include/libopencm3/ethernet/phy_ksz8051mll.h
  5. 27
      include/libopencm3/stm32/ethernet.h
  6. 43
      lib/ethernet/mac.c
  7. 378
      lib/ethernet/mac_stm32fxx7.c
  8. 64
      lib/ethernet/phy.c
  9. 89
      lib/ethernet/phy_ksz8051mll.c
  10. 3
      lib/stm32/f4/Makefile

46
include/libopencm3/ethernet/mac.h
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@ -0,0 +1,46 @@
/** @defgroup ethernet_mac_defines MAC Generic Defines
*
* @brief <b>Defined Constants and Types for the Ethernet MAC</b>
*
* @ingroup ETH
*
* @version 1.0.0
*
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**@{*/
#if defined(STM32F1)
# include <libopencm3/ethernet/mac_stm32fxx7.h>
#elif defined(STM32F4)
# include <libopencm3/ethernet/mac_stm32fxx7.h>
#else
# error "stm32 family not defined."
#endif
/**@}*/

753
include/libopencm3/ethernet/mac_stm32fxx7.h
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@ -0,0 +1,753 @@
/** @defgroup ethernet_mac_stm32fxx7_defines MAC STM32Fxx7 Defines
*
* @brief <b>Defined Constants and Types for the Ethernet MAC for STM32Fxx7
* chips</b>
*
* @ingroup ETH
*
* @version 1.0.0
*
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_ETHERNET_H
#define LIBOPENCM3_ETHERNET_H
#include <libopencm3/stm32/memorymap.h>
#include <libopencm3/cm3/common.h>
/**@{*/
/* Ethernet MAC registers */
#define ETH_MACCR MMIO32(ETHERNET_BASE + 0x00)
#define ETH_MACFFR MMIO32(ETHERNET_BASE + 0x04)
#define ETH_MACHTHR MMIO32(ETHERNET_BASE + 0x08)
#define ETH_MACHTLR MMIO32(ETHERNET_BASE + 0x0C)
#define ETH_MACMIIAR MMIO32(ETHERNET_BASE + 0x10)
#define ETH_MACMIIDR MMIO32(ETHERNET_BASE + 0x14)
#define ETH_MACFCR MMIO32(ETHERNET_BASE + 0x18)
#define ETH_MACVLANTR MMIO32(ETHERNET_BASE + 0x1C)
#define ETH_MACRWUFFR MMIO32(ETHERNET_BASE + 0x28)
#define ETH_MACPMTCSR MMIO32(ETHERNET_BASE + 0x2C)
/* not available on F1 ?*/
#define ETH_MACDBGR MMIO32(ETHERNET_BASE + 0x34)
#define ETH_MACSR MMIO32(ETHERNET_BASE + 0x38)
#define ETH_MACIMR MMIO32(ETHERNET_BASE + 0x3C)
/* i=[0..3] */
#define ETH_MACAHR(i) MMIO32(ETHERNET_BASE + 0x40+i*8)
/* i=[0..3] */
#define ETH_MACALR(i) MMIO32(ETHERNET_BASE + 0x44+i*8)
/* Ethernet MMC registers */
#define ETH_MMCCR MMIO32(ETHERNET_BASE + 0x100)
#define ETH_MMCRIR MMIO32(ETHERNET_BASE + 0x104)
#define ETH_MMCTIR MMIO32(ETHERNET_BASE + 0x108)
#define ETH_MMCRIMR MMIO32(ETHERNET_BASE + 0x10C)
#define ETH_MMCTIMR MMIO32(ETHERNET_BASE + 0x110)
#define ETH_MMCTGFSCCR MMIO32(ETHERNET_BASE + 0x14C)
#define ETH_MMCTGFMSCCR MMIO32(ETHERNET_BASE + 0x150)
#define ETH_MMCTGFCR MMIO32(ETHERNET_BASE + 0x168)
#define ETH_MMCRFCECR MMIO32(ETHERNET_BASE + 0x194)
#define ETH_MMCRFAECR MMIO32(ETHERNET_BASE + 0x198)
#define ETH_MMCRGUFCR MMIO32(ETHERNET_BASE + 0x1C4)
/* Ethrenet IEEE 1588 time stamp registers */
#define ETH_PTPTSCR MMIO32(ETHERNET_BASE + 0x700)
#define ETH_PTPSSIR MMIO32(ETHERNET_BASE + 0x704)
#define ETH_PTPTSHR MMIO32(ETHERNET_BASE + 0x708)
#define ETH_PTPTSLR MMIO32(ETHERNET_BASE + 0x70C)
#define ETH_PTPTSHUR MMIO32(ETHERNET_BASE + 0x710)
#define ETH_PTPTSLUR MMIO32(ETHERNET_BASE + 0x714)
#define ETH_PTPTSAR MMIO32(ETHERNET_BASE + 0x718)
#define ETH_PTPTTHR MMIO32(ETHERNET_BASE + 0x71C)
#define ETH_PTPTTLR MMIO32(ETHERNET_BASE + 0x720)
/* not available on F1 ?*/
#define ETH_PTPTSSR MMIO32(ETHERNET_BASE + 0x728)
/* Ethernet DMA registers */
#define ETH_DMABMR MMIO32(ETHERNET_BASE + 0x1000)
#define ETH_DMATPDR MMIO32(ETHERNET_BASE + 0x1004)
#define ETH_DMARPDR MMIO32(ETHERNET_BASE + 0x1008)
#define ETH_DMARDLAR MMIO32(ETHERNET_BASE + 0x100C)
#define ETH_DMATDLAR MMIO32(ETHERNET_BASE + 0x1010)
#define ETH_DMASR MMIO32(ETHERNET_BASE + 0x1014)
#define ETH_DMAOMR MMIO32(ETHERNET_BASE + 0x1018)
#define ETH_DMAIER MMIO32(ETHERNET_BASE + 0x101C)
#define ETH_DMAMFBOCR MMIO32(ETHERNET_BASE + 0x1020)
#define ETH_DMACHTDR MMIO32(ETHERNET_BASE + 0x1048)
#define ETH_DMACHRDR MMIO32(ETHERNET_BASE + 0x104C)
#define ETH_DMACHTBAR MMIO32(ETHERNET_BASE + 0x1050)
#define ETH_DMACHRBAR MMIO32(ETHERNET_BASE + 0x1054)
/* Ethernet Buffer Descriptors */
#define ETH_DES(n, base) MMIO32((base) + (n)*4)
#define ETH_DES0(base) ETH_DES(0, base)
#define ETH_DES1(base) ETH_DES(1, base)
#define ETH_DES2(base) ETH_DES(2, base)
#define ETH_DES3(base) ETH_DES(3, base)
/* Ethernet Extended buffer Descriptors */
#define ETH_DES4(base) ETH_DES(4, base)
#define ETH_DES5(base) ETH_DES(5, base)
#define ETH_DES6(base) ETH_DES(6, base)
#define ETH_DES7(base) ETH_DES(7, base)
/*---------------------------------------------------------------------------*/
/* MACCR --------------------------------------------------------------------*/
#define ETH_MACCR_RE (1<<2)
#define ETH_MACCR_TE (1<<3)
#define ETH_MACCR_DC (1<<4)
#define ETH_MACCR_BL_SHIFT 5
#define ETH_MACCR_BL (3 << ETH_MACCR_BL_SHIFT)
#define ETH_MACCR_BL_MIN10 (0 << ETH_MACCR_BL_SHIFT)
#define ETH_MACCR_BL_MIN8 (1 << ETH_MACCR_BL_SHIFT)
#define ETH_MACCR_BL_MIN4 (2 << ETH_MACCR_BL_SHIFT)
#define ETH_MACCR_BL_MIN1 (3 << ETH_MACCR_BL_SHIFT)
#define ETH_MACCR_APCS (1<<7)
#define ETH_MACCR_RD (1<<9)
#define ETH_MACCR_IPCO (1<<10)
#define ETH_MACCR_DM (1<<11)
#define ETH_MACCR_LM (1<<12)
#define ETH_MACCR_ROD (1<<13)
#define ETH_MACCR_FES (1<<14)
#define ETH_MACCR_CSD (1<<16)
#define ETH_MACCR_IFG_SHIFT 17
#define ETH_MACCR_IFG (7<<ETH_MACCR_IFG_SHIFT)
#define ETH_MACCR_JD (1<<22)
#define ETH_MACCR_WD (1<<23)
#define ETH_MACCR_CSTF (1<<25)
/*---------------------------------------------------------------------------*/
/* MACFFR -------------------------------------------------------------------*/
#define ETH_MACFFR_PM (1<<0)
#define ETH_MACFFR_HU (1<<1)
#define ETH_MACFFR_HM (1<<2)
#define ETH_MACFFR_DAIF (1<<3)
#define ETH_MACFFR_PAM (1<<4)
#define ETH_MACFFR_BFD (1<<5)
#define ETH_MACFFR_PCF_SHIFT 6
#define ETH_MACFFR_PCF (3<<ETH_MACFFR_PCF_SHIFT)
#define ETH_MACFFR_PCF_DISABLE (0<<ETH_MACFFR_PCF_SHIFT)
#define ETH_MACFFR_PCF_NOPAUSE (1<<ETH_MACFFR_PCF_SHIFT)
#define ETH_MACFFR_PCF_ALL (2<<ETH_MACFFR_PCF_SHIFT)
#define ETH_MACFFR_PCF_PASS (3<<ETH_MACFFR_PCF_SHIFT)
#define ETH_MACFFR_SAIF (1<<8)
#define ETH_MACFFR_SAF (1<<9)
#define ETH_MACFFR_HPF (1<<10)
#define ETH_MACFFR_RA (1<<31)
/*---------------------------------------------------------------------------*/
/* MACMIIAR -----------------------------------------------------------------*/
#define ETH_MACMIIAR_MB (1<<0)
#define ETH_MACMIIAR_MW (1<<1)
#define ETH_MACMIIAR_CR_SHIFT 2
#define ETH_MACMIIAR_CR (7<<ETH_MACMIIAR_CR_SHIFT)
/* For HCLK 60-100 MHz */
#define ETH_MACMIIAR_CR_HCLK_DIV_42 (0<<ETH_MACMIIAR_CR_SHIFT)
/* For HCLK 100-150 MHz */
#define ETH_MACMIIAR_CR_HCLK_DIV_62 (1<<ETH_MACMIIAR_CR_SHIFT)
/* For HCLK 20-35 MHz */
#define ETH_MACMIIAR_CR_HCLK_DIV_16 (2<<ETH_MACMIIAR_CR_SHIFT)
/* For HCLK 35-60 MHz */
#define ETH_MACMIIAR_CR_HCLK_DIV_26 (3<<ETH_MACMIIAR_CR_SHIFT)
/* For HCLK 150-168 MHz */
#define ETH_MACMIIAR_CR_HCLK_DIV_102 (4<<ETH_MACMIIAR_CR_SHIFT)
#define ETH_MACMIIAR_MR_SHIFT 6
#define ETH_MACMIIAR_MR (0x1F << ETH_MACMIIAR_MR_SHIFT)
#define ETH_MACMIIAR_PA_SHIFT 11
#define ETH_MACMIIAR_PA (0x1F << ETH_MACMIIAR_MR_SHIFT)
/*---------------------------------------------------------------------------*/
/* MACMIIDR------------------------------------------------------------------*/
#define ETH_MACMIIDR_MD 0xFFFF
/*---------------------------------------------------------------------------*/
/* MACFCR -------------------------------------------------------------------*/
#define ETH_MACFCR_FCB (1<<0)
#define ETH_MACFCR_BPA (1<<0)
#define ETH_MACFCR_TFCE (1<<1)
#define ETH_MACFCR_RFCE (1<<2)
#define ETH_MACFCR_UPFD (1<<3)
#define ETH_MACFCR_PLT_SHIFT 4
#define ETH_MACFCR_PLT (0x03 << ETH_MACFCR_PLT_SHIFT)
#define ETH_MACFCR_PLT_4 (0 << ETH_MACFCR_PLT_SHIFT)
#define ETH_MACFCR_PLT_28 (1 << ETH_MACFCR_PLT_SHIFT)
#define ETH_MACFCR_PLT_144 (2 << ETH_MACFCR_PLT_SHIFT)
#define ETH_MACFCR_PLT_256 (3 << ETH_MACFCR_PLT_SHIFT)
#define ETH_MACFCR_ZQPD (1<<7)
#define ETH_MACFCR_PT_SHIFT 16
#define ETH_MACFCR_PT (0xFFFF << ETH_MACFCR_PT)
/*---------------------------------------------------------------------------*/
/* MACVLANTR ----------------------------------------------------------------*/
#define ETH_MACVLANTR_VLANTI_SHIFT 0
#define ETH_MACVLANTR_VLANTI (0xFFFF << ETH_MACVLANTR_VLANTI_SHIFT)
#define ETH_MACVLANTR_VLANTC (1<<16)
/*---------------------------------------------------------------------------*/
/* MACPMTCSR ----------------------------------------------------------------*/
#define ETH_MACPMTCSR_PD (1<<0)
#define ETH_MACPMTCSR_MPE (1<<1)
#define ETH_MACPMTCSR_WFE (1<<2)
#define ETH_MACPMTCSR_MPR (1<<5)
#define ETH_MACPMTCSR_WFR (1<<6)
#define ETH_MACPMTCSR_GU (1<<9)
#define ETH_MACPMTCSR_WFFRPR (1<<31)
/*---------------------------------------------------------------------------*/
/* MACDBGR -------------------------------------------------------------------*/
#define ETH_MACDBGR_MMRPEA (1<<0)
#define ETH_MACDBGR_MSFRWCS (3<<1)
#define ETH_MACDBGR_RFWRA (1<<4)
#define ETH_MACDBGR_RFRCS_SHIFT 5
#define ETH_MACDBGR_RFRCS (3<<ETH_MACDBGR_RFRCS_SHIFT)
#define ETH_MACDBGR_RFRCS_IDLE (0<<ETH_MACDBGR_RFRCS_SHIFT)
#define ETH_MACDBGR_RFRCS_RDATA (1<<ETH_MACDBGR_RFRCS_SHIFT)
#define ETH_MACDBGR_RFRCS_RSTAT (2<<ETH_MACDBGR_RFRCS_SHIFT)
#define ETH_MACDBGR_RFRCS_FLUSH (3<<ETH_MACDBGR_RFRCS_SHIFT)
#define ETH_MACDBGR_RFFL_SHIFT 8
#define ETH_MACDBGR_RFFL (3<<ETH_MACDBGR_RFFL_SHIFT)
#define ETH_MACDBGR_RFFL_EMPTY (0<<ETH_MACDBGR_RFFL_SHIFT)
#define ETH_MACDBGR_RFFL_BELOW (1<<ETH_MACDBGR_RFFL_SHIFT)
#define ETH_MACDBGR_RFFL_ABOVE (2<<ETH_MACDBGR_RFFL_SHIFT)
#define ETH_MACDBGR_RFFL_FULL (3<<ETH_MACDBGR_RFFL_SHIFT)
#define ETH_MACDBGR_MMTEA (1<<16)
#define ETH_MACDBGR_MTFCS_SHIFT 17
#define ETH_MACDBGR_MTFCS (3 << ETH_MACDBGR_MTFCS_SHIFT)
#define ETH_MACDBGR_MTFCS_IDLE (0 << ETH_MACDBGR_MTFCS_SHIFT)
#define ETH_MACDBGR_MTFCS_WAIT (1 << ETH_MACDBGR_MTFCS_SHIFT)
#define ETH_MACDBGR_MTFCS_PAUSE (2 << ETH_MACDBGR_MTFCS_SHIFT)
#define ETH_MACDBGR_MTFCS_TRANSFER (3 << ETH_MACDBGR_MTFCS_SHIFT)
#define ETH_MACDBGR_MTP (1<<19)
#define ETH_MACDBGR_TFRS_SHIFT 20
#define ETH_MACDBGR_TFRS (3<<ETH_MACDBGR_TFRS_SHIFT)
#define ETH_MACDBGR_TFRS_IDLE (0<<ETH_MACDBGR_TFRS_SHIFT)
#define ETH_MACDBGR_TFRS_READ (1<<ETH_MACDBGR_TFRS_SHIFT)
#define ETH_MACDBGR_TFRS_WAIT (2<<ETH_MACDBGR_TFRS_SHIFT)
#define ETH_MACDBGR_TFRS_FLUSH (3<<ETH_MACDBGR_TFRS_SHIFT)
#define ETH_MACDBGR_TFWA (1<<22)
#define ETH_MACDBGR_TFNE (1<<24)
#define ETH_MACDBGR_TFF (1<<25)
/*---------------------------------------------------------------------------*/
/* MACSR --------------------------------------------------------------------*/
/* Ethernet MAC interrupt status register ETH_MACSR bits */
#define ETH_MACSR_PMTS (1<<3)
#define ETH_MACSR_MMCS (1<<4)
#define ETH_MACSR_MMCRS (1<<5)
#define ETH_MACSR_MMCTS (1<<6)
#define ETH_MACSR_TSTS (1<<9)
/*---------------------------------------------------------------------------*/
/* MACIMR -------------------------------------------------------------------*/
#define ETH_MACIMR_PMTIM (1<<3)
#define ETH_MACIMR_TSTIM (1<<9)
/*---------------------------------------------------------------------------*/
/* MACA0HR ------------------------------------------------------------------*/
#define ETH_MACA0HR_MACA0H (0xFFFF<<0)
#define ETH_MACA0HR_MO (1<<31)
/*---------------------------------------------------------------------------*/
/* MACA1HR, MACA2HR, MACA3HR ------------------------------------------------*/
#define ETH_MACAHR_MACAH (0xFFFF<<0)
#define ETH_MACAHR_MBC_ALL (63<<24)
#define ETH_MACAHR_MBC_0 (1<<24)
#define ETH_MACAHR_MBC_1 (1<<25)
#define ETH_MACAHR_MBC_2 (1<<26)
#define ETH_MACAHR_MBC_3 (1<<27)
#define ETH_MACAHR_MBC_4 (1<<28)
#define ETH_MACAHR_MBC_5 (1<<29)
#define ETH_MACAHR_SA (1<<30)
#define ETH_MACAHR_AE (1<<31)
/*---------------------------------------------------------------------------*/
/* MMCCR --------------------------------------------------------------------*/
#define ETH_MMCCR_CR (1<<0)
#define ETH_MMCCR_CSR (1<<1)
#define ETH_MMCCR_ROR (1<<2)
#define ETH_MMCCR_MCF (1<<3)
#define ETH_MMCCR_MCP (1<<4)
#define ETH_MMCCR_MCFHP (1<<5)
/*---------------------------------------------------------------------------*/
/* MMCRIR -------------------------------------------------------------------*/
#define ETH_MMCRIR_RFCES (1<<5)
#define ETH_MMCRIR_RFAES (1<<6)
#define ETH_MMCRIR_RGUFS (1<<17)
/*---------------------------------------------------------------------------*/
/* MMCTIR -------------------------------------------------------------------*/
#define ETH_MMCTIR_TGFSCS (1<<14)
#define ETH_MMCTIR_TGFMSCS (1<<15)
#define ETH_MMCTIR_TGFS (1<<21)
/*---------------------------------------------------------------------------*/
/* MMCRIMR ------------------------------------------------------------------*/
#define ETH_MMCRIMR_RFCEM (1<<5)
#define ETH_MMCRIMR_RFAEM (1<<6)
#define ETH_MMCRIMR_RGUFM (1<<17)
/*---------------------------------------------------------------------------*/
/* MMCTIMR ------------------------------------------------------------------*/
#define ETH_MMCTIMR_TGFSCS (1<<14)
#define ETH_MMCTIMR_TGFMSCS (1<<15)
#define ETH_MMCTIMR_TGFS (1<<21)
/*---------------------------------------------------------------------------*/
/* PTPTSCR ------------------------------------------------------------------*/
#define ETH_PTPTSCR_TSE (1<<0)
#define ETH_PTPTSCR_TSFCU (1<<1)
#define ETH_PTPTSCR_TSSTI (1<<2)
#define ETH_PTPTSCR_TSSTU (1<<3)
#define ETH_PTPTSCR_TSITE (1<<4)
#define ETH_PTPTSCR_TTSARU (1<<5)
#define ETH_PTPTSCR_TSSARFE (1<<8)
#define ETH_PTPTSCR_TSSSR (1<<9)
#define ETH_PTPTSCR_TSPTPPSV2E (1<<10)
#define ETH_PTPTSCR_TSSPTPOEFE (1<<11)
#define ETH_PTPTSCR_TSSIPV6FE (1<<12)
#define ETH_PTPTSCR_TSSIPV4FE (1<<13)
#define ETH_PTPTSCR_TSSEME (1<<14)
#define ETH_PTPTSCR_TSSMRME (1<<15)
#define ETH_PTPTSCR_TSCNT_SHIFT 16
#define ETH_PTPTSCR_TSCNT (3 << ETH_PTPTSCR_TSCNT_SHIFT)
#define ETH_PTPTSCR_TSCNT_ORD (0 << ETH_PTPTSCR_TSCNT_SHIFT)
#define ETH_PTPTSCR_TSCNT_BOUND (1 << ETH_PTPTSCR_TSCNT_SHIFT)
#define ETH_PTPTSCR_TSCNT_ETETC (2 << ETH_PTPTSCR_TSCNT_SHIFT)
#define ETH_PTPTSCR_TSCNT_PTPTC (3 << ETH_PTPTSCR_TSCNT_SHIFT)
#define ETH_PTPTSCR_TSPFFMAE (1<<18)
/*---------------------------------------------------------------------------*/
/* PTPSSIR ------------------------------------------------------------------*/
#define ETH_PTPSSIR_STSSI 0xFF
/*---------------------------------------------------------------------------*/
/* PTPTSLR ------------------------------------------------------------------*/
#define ETH_PTPTSLR_STSS 0x7FFFFFFF
#define ETH_PTPTSLR_STPNS (1<<31)
/*---------------------------------------------------------------------------*/
/* PTPTSLUR -----------------------------------------------------------------*/
#define ETH_PTPTSLUR_TSUSS 0x7FFFFFFF
#define ETH_PTPTSLUR_TSUPNS (1<<31)
/*---------------------------------------------------------------------------*/
/* PTPTSSR ------------------------------------------------------------------*/
#define ETH_PTPTSSR_TSSO (1<<0)
#define ETH_PTPTSSR_TSTTR (1<<1)
/*---------------------------------------------------------------------------*/
/* PTPTSCR ------------------------------------------------------------------*/
#define ETH_PTPTSCR_PPSFREQ (0x0F<<0)
#define ETH_PTPTSCR_PPSFREQ_1HZ (0x00<<0)
#define ETH_PTPTSCR_PPSFREQ_2HZ (0x01<<0)
#define ETH_PTPTSCR_PPSFREQ_4HZ (0x02<<0)
#define ETH_PTPTSCR_PPSFREQ_8HZ (0x03<<0)
#define ETH_PTPTSCR_PPSFREQ_16HZ (0x04<<0)
#define ETH_PTPTSCR_PPSFREQ_32HZ (0x05<<0)
#define ETH_PTPTSCR_PPSFREQ_64HZ (0x06<<0)
#define ETH_PTPTSCR_PPSFREQ_128HZ (0x07<<0)
#define ETH_PTPTSCR_PPSFREQ_256HZ (0x08<<0)
#define ETH_PTPTSCR_PPSFREQ_512HZ (0x09<<0)
#define ETH_PTPTSCR_PPSFREQ_1024HZ (0x0A<<0)
#define ETH_PTPTSCR_PPSFREQ_2048HZ (0x0B<<0)
#define ETH_PTPTSCR_PPSFREQ_4096HZ (0x0C<<0)
#define ETH_PTPTSCR_PPSFREQ_8192HZ (0x0D<<0)
#define ETH_PTPTSCR_PPSFREQ_16384HZ (0x0E<<0)
#define ETH_PTPTSCR_PPSFREQ_32768HZ (0x0F<<0)
/*---------------------------------------------------------------------------*/
/* DMABMR -------------------------------------------------------------------*/
#define ETH_DMABMR_SR (1<<0)
#define ETH_DMABMR_DA (1<<1)
#define ETH_DMABMR_DSL_SHIFT 2
#define ETH_DMABMR_DSL (0x1F << ETH_DMABR_DSL_SHIFT)
#define ETH_DMABMR_EDFE (1<<7)
#define ETH_DMABMR_PBL_SHIFT 8
#define ETH_DMABMR_PBL (0x3F << ETH_DMABR_PBL_SHIFT)
#define ETH_DMABMR_PM_SHIFT 14
#define ETH_DMABMR_PM (0x03 << ETH_DMABMR_PM_SHIFT)
#define ETH_DMABMR_PM_1_1 (0 << ETH_DMABMR_PM_SHIFT)
#define ETH_DMABMR_PM_2_1 (1 << ETH_DMABMR_PM_SHIFT)
#define ETH_DMABMR_PM_3_1 (2 << ETH_DMABMR_PM_SHIFT)
#define ETH_DMABMR_PM_4_1 (3 << ETH_DMABMR_PM_SHIFT)
#define ETH_DMABMR_FB (1<<16)
#define ETH_DMABMR_RDP_SHIFT 17
#define ETH_DMABMR_RDP (0x3F << ETH_DMABMR_RDP_SHIFT)
#define ETH_DMABMR_USP (1<<23)
#define ETH_DMABMR_FPM (1<<24)
#define ETH_DMABMR_AAB (1<<25)
#define ETH_DMABMR_MB (1<<26)
/*---------------------------------------------------------------------------*/
/* DMASR --------------------------------------------------------------------*/
#define ETH_DMASR_TS (1<<0)
#define ETH_DMASR_TPSS (1<<1)
#define ETH_DMASR_TBUS (1<<2)
#define ETH_DMASR_TJTS (1<<3)
#define ETH_DMASR_ROS (1<<4)
#define ETH_DMASR_TUS (1<<5)
#define ETH_DMASR_RS (1<<6)
#define ETH_DMASR_RBUS (1<<7)
#define ETH_DMASR_RPSS (1<<8)
#define ETH_DMASR_RWTS (1<<9)
#define ETH_DMASR_ETS (1<<10)
#define ETH_DMASR_FBES (1<<13)
#define ETH_DMASR_ERS (1<<14)
#define ETH_DMASR_AIS (1<<15)
#define ETH_DMASR_NIS (1<<16)
#define ETH_DMASR_RPS_SHIFT 17
#define ETH_DMASR_RPS (7<<ETH_DMASR_RPS_SHIFT)
#define ETH_DMASR_RPS_STOP (0<<ETH_DMASR_RPS_SHIFT)
#define ETH_DMASR_RPS_FETCH (1<<ETH_DMASR_RPS_SHIFT)
#define ETH_DMASR_RPS_WAIT (3<<ETH_DMASR_RPS_SHIFT)
#define ETH_DMASR_RPS_SUSPEND (4<<ETH_DMASR_RPS_SHIFT)
#define ETH_DMASR_RPS_CLOSE (5<<ETH_DMASR_RPS_SHIFT)
#define ETH_DMASR_RPS_TRANSFER (7<<ETH_DMASR_RPS_SHIFT)
#define ETH_DMASR_TPS_SHIFT 20
#define ETH_DMASR_TPS (7<<ETH_DMASR_TPS_SHIFT)
#define ETH_DMASR_TPS_STOP (0<<ETH_DMASR_TPS_SHIFT)
#define ETH_DMASR_TPS_FETCH (1<<ETH_DMASR_TPS_SHIFT)
#define ETH_DMASR_TPS_WAIT (2<<ETH_DMASR_TPS_SHIFT)
#define ETH_DMASR_TPS_TRANSFER (3<<ETH_DMASR_TPS_SHIFT)
#define ETH_DMASR_TPS_SUSPEND (6<<ETH_DMASR_TPS_SHIFT)
#define ETH_DMASR_TPS_CLOSE (7<<ETH_DMASR_TPS_SHIFT)
#define ETH_DMASR_EBS_SHIFT 23
#define ETH_DMASR_EBS (7<<ETH_DMASR_EBS_SHIFT)
#define ETH_DMASR_MMCS (1<<27)
#define ETH_DMASR_PMTS (1<<28)
#define ETH_DMASR_TSTS (1<<29)
/*---------------------------------------------------------------------------*/
/* DMAOMR -------------------------------------------------------------------*/
#define ETH_DMAOMR_SR (1<<1)
#define ETH_DMAOMR_OSF (1<<2)
#define ETH_DMAOMR_RTC_SHIFT 3
#define ETH_DMAOMR_RTC (3 << ETH_DMAOMR_RTC_SHIFT)
#define ETH_DMAOMR_RTC_64 (0 << ETH_DMAOMR_RTC_SHIFT)
#define ETH_DMAOMR_RTC_32 (1 << ETH_DMAOMR_RTC_SHIFT)
#define ETH_DMAOMR_RTC_96 (2 << ETH_DMAOMR_RTC_SHIFT)
#define ETH_DMAOMR_RTC_128 (3 << ETH_DMAOMR_RTC_SHIFT)
#define ETH_DMAOMR_FUGF (1<<6)
#define ETH_DMAOMR_FEF (1<<7)
#define ETH_DMAOMR_ST (1<<13)
#define ETH_DMAOMR_TTC_SHIFT 14
#define ETH_DMAOMR_TTC (0x07 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_64 (0 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_128 (1 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_192 (2 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_256 (3 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_40 (4 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_32 (5 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_24 (6 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_TTC_16 (7 << ETH_DMAOMR_TTC_SHIFT)
#define ETH_DMAOMR_FTF (1<<20)
#define ETH_DMAOMR_TSF (1<<21)
#define ETH_DMAOMR_DFRF (1<<24)
#define ETH_DMAOMR_RSF (1<<25)
#define ETH_DMAOMR_DTCEFD (1<<26)
/*----------------------------------------------------------------------------*/
/* DMAIER --------------------------------------------------------------------*/
#define ETH_DMAIER_TIE (1<<0)
#define ETH_DMAIER_TPSIE (1<<1)
#define ETH_DMAIER_TBUIE (1<<2)
#define ETH_DMAIER_TJTIE (1<<3)
#define ETH_DMAIER_ROIE (1<<4)
#define ETH_DMAIER_TUIE (1<<5)
#define ETH_DMAIER_RIE (1<<6)
#define ETH_DMAIER_RBUIE (1<<7)
#define ETH_DMAIER_RPSIE (1<<8)
#define ETH_DMAIER_RWTIE (1<<9)
#define ETH_DMAIER_ETIE (1<<10)
#define ETH_DMAIER_FBEIE (1<<13)
#define ETH_DMAIER_ERIE (1<<14)
#define ETH_DMAIER_AISE (1<<15)
#define ETH_DMAIER_NISE (1<<16)
/*---------------------------------------------------------------------------*/
/* DMAMFBOCR ----------------------------------------------------------------*/
#define ETH_DMAMFBOCR_MFC_SHIFT 0
#define ETH_DMAMFBOCR_MFC (0xFFFF << ETH_DMAMFBOCR_MFC_SHIFT)
#define ETH_DMAMFBOCR_OMFC (1<<16)
#define ETH_DMAMFBOCR_MFA (0x7FF << ETH_DMAMFBOCR_MFA_SHIFT)
#define ETH_DMAMFBOCR_OFOC (1<<28)
/*---------------------------------------------------------------------------*/
/* DMARSWTR -----------------------------------------------------------------*/
#define ETH_DMARSWTR_RSWTC 0xFF
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* DMA Tx Descriptor */
#define ETH_DES_STD_SIZE 16
#define ETH_DES_EXT_SIZE 32
/*---------------------------------------------------------------------------*/
/* TDES0 --------------------------------------------------------------------*/
#define ETH_TDES0_DB (1<<0)
#define ETH_TDES0_UF (1<<1)
#define ETH_TDES0_ED (1<<2)
#define ETH_TDES0_CC_SHIFT 3
#define ETH_TDES0_CC (0x0F << ETH_TDES0_CC_SHIFT)
#define ETH_TDES0_VF (1<<7)
#define ETH_TDES0_EC (1<<8)
#define ETH_TDES0_LCO (1<<9)
#define ETH_TDES0_NC (1<<10)
#define ETH_TDES0_LCA (1<<11)
#define ETH_TDES0_IPE (1<<12)
#define ETH_TDES0_FF (1<<13)
#define ETH_TDES0_JT (1<<14)
#define ETH_TDES0_ES (1<<15)
#define ETH_TDES0_IHE (1<<16)
#define ETH_TDES0_TTSS (1<<17)
#define ETH_TDES0_TCH (1<<20)
#define ETH_TDES0_TER (1<<21)
#define ETH_TDES0_CIC_SHIFT 22
#define ETH_TDES0_CIC (3<<ETH_TDES0_CIC_SHIFT)
#define ETH_TDES0_CIC_DISABLED (0<<ETH_TDES0_CIC_SHIFT)
#define ETH_TDES0_CIC_IP (1<<ETH_TDES0_CIC_SHIFT)
#define ETH_TDES0_CIC_IPPL (2<<ETH_TDES0_CIC_SHIFT)
#define ETH_TDES0_CIC_IPPLPH (3<<ETH_TDES0_CIC_SHIFT)
#define ETH_TDES0_TTSE (1<<25)
#define ETH_TDES0_DP (1<<26)
#define ETH_TDES0_DC (1<<27)
#define ETH_TDES0_FS (1<<28)
#define ETH_TDES0_LS (1<<29)
#define ETH_TDES0_IC (1<<30)
#define ETH_TDES0_OWN (1<<31)
/*---------------------------------------------------------------------------*/
/* TDES1 --------------------------------------------------------------------*/
#define ETH_TDES1_TBS1_SHIFT 0
#define ETH_TDES1_TBS1 (0x1FFF<<ETH_TDES1_TBS1_SHIFT)
#define ETH_TDES1_TBS2_SHIFT 16
#define ETH_TDES1_TBS2 (0x1FFF<<ETH_TDES1_TBS1_SHIFT)
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* DMA Rx Descriptor */
/*---------------------------------------------------------------------------*/
/* RDES0 --------------------------------------------------------------------*/
#define ETH_RDES0_PCE (1<<0)
#define ETH_RDES0_ESA (1<<0)
#define ETH_RDES0_CE (1<<1)
#define ETH_RDES0_DE (1<<2)
#define ETH_RDES0_RE (1<<3)
#define ETH_RDES0_RWT (1<<4)
#define ETH_RDES0_FT (1<<5)
#define ETH_RDES0_LCO (1<<6)
#define ETH_RDES0_IPHCE (1<<7)
#define ETH_RDES0_TSV (1<<7)
#define ETH_RDES0_LS (1<<8)
#define ETH_RDES0_FS (1<<9)
#define ETH_RDES0_VLAN (1<<10)
#define ETH_RDES0_OE (1<<11)
#define ETH_RDES0_LE (1<<12)
#define ETH_RDES0_SAF (1<<13)
#define ETH_RDES0_DCE (1<<14)
#define ETH_RDES0_ES (1<<15)
#define ETH_RDES0_FL_SHIFT 16
#define ETH_RDES0_FL (0x3FFF<<ETH_RDES0_FL_SHIFT)
#define ETH_RDES0_AFM (1<<30)
#define ETH_RDES0_OWN (1<<31)
/*---------------------------------------------------------------------------*/
/* RDES1 --------------------------------------------------------------------*/
#define ETH_RDES1_RBS1_SHIFT 0
#define ETH_RDES1_RBS1 (0x1FFF<<ETH_RDES1_RBS1_SHIFT)
#define ETH_RDES1_RCH (1<<14)
#define ETH_RDES1_RER (1<<15)
#define ETH_RDES1_RBS2_SHIFT 16
#define ETH_RDES1_RBS2 (0x1FFF<<ETH_RDES1_RBS2_SHIFT)
#define ETH_RDES1_DIC (1<<31)
/*---------------------------------------------------------------------------*/
/* RDES4 --------------------------------------------------------------------*/
#define ETH_RDES4_IPPT_SHIFT 0
#define ETH_RDES4_IPPT (7<<ETH_RDES4_IPPT_SHIFT)
#define ETH_RDES4_IPPT_UNKNOWN (0<<ETH_RDES4_IPPT_SHIFT)
#define ETH_RDES4_IPPT_UDP (1<<ETH_RDES4_IPPT_SHIFT)
#define ETH_RDES4_IPPT_TCP (2<<ETH_RDES4_IPPT_SHIFT)
#define ETH_RDES4_IPPT_ICMP (3<<ETH_RDES4_IPPT_SHIFT)
#define ETH_RDES4_IPHE (1<<3)
#define ETH_RDES4_IPPE (1<<4)
#define ETH_RDES4_IPCB (1<<5)
#define ETH_RDES4_IPV4PR (1<<6)
#define ETH_RDES4_IPV6PR (1<<7)
#define ETH_RDES4_PMT_SHIFT 8
#define ETH_RDES4_PMT (0x0F<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_NO (0x00<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_SYNC (0x01<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_FOLLOW (0x02<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_DLYRQ (0x03<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_DLYRSP (0x04<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_PDLYRQ (0x05<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_PDLYRSP (0x06<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PMT_PDLYRSPFUP (0x07<<ETH_RDES4_PMT_SHIFT)
#define ETH_RDES4_PFT (1<<12)
#define ETH_RDES4_PV (1<<13)
enum eth_clk {
ETH_CLK_025_035MHZ = ETH_MACMIIAR_CR_HCLK_DIV_16,
ETH_CLK_035_060MHZ = ETH_MACMIIAR_CR_HCLK_DIV_26,
ETH_CLK_060_100MHZ = ETH_MACMIIAR_CR_HCLK_DIV_42,
ETH_CLK_100_150MHZ = ETH_MACMIIAR_CR_HCLK_DIV_62,
ETH_CLK_150_168MHZ = ETH_MACMIIAR_CR_HCLK_DIV_102,
};
BEGIN_DECLS
void eth_smi_write(uint8_t phy, uint8_t reg, uint16_t data);
uint16_t eth_smi_read(uint8_t phy, uint8_t reg);
void eth_smi_bit_op(uint8_t phy, uint8_t reg, uint16_t bits, uint16_t mask);
void eth_smi_bit_clear(uint8_t phy, uint8_t reg, uint16_t clearbits);
void eth_smi_bit_set(uint8_t phy, uint8_t reg, uint16_t setbits);
void eth_set_mac(uint8_t *mac);
void eth_desc_init(uint8_t *buf, uint32_t nTx, uint32_t nRx, uint32_t cTx,
uint32_t cRx, bool isext);
bool eth_tx(uint8_t *ppkt, uint32_t n);
bool eth_rx(uint8_t *ppkt, uint32_t *len, uint32_t maxlen);
void eth_init(enum eth_clk clock);
void eth_start(void);
void eth_enable_checksum_offload(void);
void eth_irq_enable(uint32_t reason);
void eth_irq_disable(uint32_t reason);
bool eth_irq_is_pending(uint32_t reason);
bool eth_irq_ack_pending(uint32_t reason);
END_DECLS
/*
* Usage:
* rcc_periph_reset_pulse(RCC_ETHMAC);
* [ init gpio pins ]
* rcc_periph_reset_pulse(RCC_ETHMAC);
* phy_init();
* eth_init();
* eth_set_mac(mac);
* eth_desc_init(buffer, &eth_buffer[0], ETH_TXBUFNB, ETH_RXBUFNB,
* ETH_TX_BUF_SIZE, ETH_RX_BUF_SIZE, false);
* eth_start();
* for (;;)
* eth_tx(frame,sizeof(frame));
*/
/**@}*/
#endif

91
include/libopencm3/ethernet/phy.h
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/** @defgroup ethernet_phy_defines PHY Generic Defines
*
* @brief <b>Defined Constants and Types for the Ethernet PHY</b>
*
* @ingroup ETH
*
* @version 1.0.0
*
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_PHY_H
#define LIBOPENCM3_PHY_H
#include <stdbool.h>
/**@{*/
/* Registers */
#define PHY_REG_BCR 0x00
#define PHY_REG_BSR 0x01
#define PHY_REG_ID1 0x02
#define PHY_REG_ID2 0x03
#define PHY_REG_ANTX 0x04
#define PHY_REG_ANRX 0x05
#define PHY_REG_ANEXP 0x06
#define PHY_REG_ANNPTX 0x07
#define PHY_REG_ANNPRX 0x08
#define PHY_REG_BCR_COLTEST (1<<7)
#define PHY_REG_BCR_FD (1<<8)
#define PHY_REG_BCR_ANRST (1<<9)
#define PHY_REG_BCR_ISOLATE (1<<10)
#define PHY_REG_BCR_POWERDN (1<<11)
#define PHY_REG_BCR_AN (1<<12)
#define PHY_REG_BCR_100M (1<<13)
#define PHY_REG_BCR_LOOPBACK (1<<14)
#define PHY_REG_BCR_RESET (1<<15)
#define PHY_REG_BSR_JABBER (1<<1)
#define PHY_REG_BSR_UP (1<<2)
#define PHY_REG_BSR_FAULT (1<<4)
#define PHY_REG_BSR_ANDONE (1<<5)
enum phy_status {
LINK_DOWN,
LINK_HD_10M,
LINK_HD_100M,
LINK_HD_1000M,
LINK_HD_10000M,
LINK_FD_10M,
LINK_FD_100M,
LINK_FD_1000M,
LINK_FD_10000M,
};
void phy_reset(void);
bool phy_link_isup(void);
enum phy_status phy_link_status(void);
void phy_autoneg_force(enum phy_status mode);
void phy_autoneg_enable(void);
/**@}*/
#endif /* LIBOPENCM3_PHY_H__ */

60
include/libopencm3/ethernet/phy_ksz8051mll.h
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/** @defgroup ethernet_phy_ksz8051mll_defines PHY KSZ8051mll Defines
*
* @brief <b>Defined Constants and Types for the Ethernet PHY KSZ8051mll
* chips</b>
*
* @ingroup ETH
*
* @version 1.0.0
*
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENCM3_PHY_KSZ8051MLL_H
#define LIBOPENCM3_PHY_KSZ8051MLL_H
#include <libopencm3/ethernet/phy.h>
/**@{*/
/* Registers */
#define PHY_REG_AFECTRL 0x11
#define PHY_REG_RXERCTR 0x15
#define PHY_REG_STRAPOVRD 0x16
#define PHY_REG_STRAPSTAT 0x17
#define PHY_REG_ECR 0x18
#define PHY_REG_ICSR 0x1B
#define PHY_REG_LINKMD 0x1D
#define PHY_REG_CR1 0x1E
#define PHY_REG_CR2 0x1E
/**@}*/
#endif /* LIBOPENCM3_PHY_KSZ8051MLL_H__ */

27
include/libopencm3/stm32/ethernet.h
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/* This provides unification of code over STM32F subfamilies */
/*
* This file is part of the libopencm3 project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(STM32F1)
# include <libopencm3/ethernet/mac/stm32fxx7.h>
#elif defined(STM32F4)
# include <libopencm3/ethernet/mac/stm32fxx7.h>
#else
# error "stm32 family not defined."
#endif

43
lib/ethernet/mac.c
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/** @defgroup ethernet_mac_file MAC Generic Drivers
*
* @ingroup ETH
*
* @brief <b>Ethernet MAC Generic Drivers</b>
*
* @version 1.0.0
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/ethernet/mac.h>
#include <libopencm3/ethernet/phy.h>
/**@{*/
/*---------------------------------------------------------------------------*/
/**@}*/

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lib/ethernet/mac_stm32fxx7.c
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/** @defgroup ethernet_mac_stm32fxx7_file MAC STM32Fxx7
*
* @ingroup ETH
*
* @brief <b>Ethernet MAC STM32Fxx7 Drivers</b>
*
* @version 1.0.0
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <libopencm3/ethernet/mac.h>
#include <libopencm3/ethernet/phy.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/cm3/nvic.h>
/**@{*/
uint32_t TxBD;
uint32_t RxBD;
/*---------------------------------------------------------------------------*/
/** @brief Set MAC to the PHY
*
* @param[in] mac uint8_t* Desired MAC
*/
void eth_set_mac(uint8_t *mac)
{
ETH_MACAHR(0) = ((uint32_t)mac[5] << 8) | (uint32_t)mac[4] |
ETH_MACA0HR_MACA0H;
ETH_MACALR(0) = ((uint32_t)mac[3] << 24) | ((uint32_t)mac[2] << 16) |
((uint32_t)mac[1] << 8) | mac[0];
}
/*---------------------------------------------------------------------------*/
/** @brief Initialize descriptors
*
* @param[in] buf uint8_t* Buffer for the descriptors
* @param[in] nTx uint32_t Count of Transmit Descriptors
* @param[in] nRx uint32_t Count of Receive Descriptors
* @param[in] cTx uint32_t Bytes in each Transmit Descriptor
* @param[in] cRx uint32_t Bytes in each Receive Descriptor
* @param[in] isext bool true, if extended descriptors should be used
*/
void eth_desc_init(uint8_t *buf, uint32_t nTx, uint32_t nRx, uint32_t cTx,
uint32_t cRx, bool isext)
{
memset(buf, 0, nTx * cTx + nRx * cRx);
uint32_t bd = (uint32_t)buf;
uint32_t sz = isext ? ETH_DES_EXT_SIZE : ETH_DES_STD_SIZE;
/* enable / disable extended frames */
if (isext) {
ETH_DMABMR |= ETH_DMABMR_EDFE;
} else {
ETH_DMABMR &= ~ETH_DMABMR_EDFE;
}
TxBD = bd;
while (--nTx > 0) {
ETH_DES0(bd) = ETH_TDES0_TCH;
ETH_DES2(bd) = bd + sz;
ETH_DES3(bd) = bd + sz + cTx;
bd = ETH_DES3(bd);
}
ETH_DES0(bd) = ETH_TDES0_TCH;
ETH_DES2(bd) = bd + sz;
ETH_DES3(bd) = TxBD;
bd += sz + cTx;
RxBD = bd;
while (--nRx > 0) {
ETH_DES0(bd) = ETH_RDES0_OWN;
ETH_DES1(bd) = ETH_RDES1_RCH | cRx;
ETH_DES2(bd) = bd + sz;
ETH_DES3(bd) = bd + sz + cRx;
bd = ETH_DES3(bd);
}
ETH_DES0(bd) = ETH_RDES0_OWN;
ETH_DES1(bd) = ETH_RDES1_RCH | cRx;
ETH_DES2(bd) = bd + sz;
ETH_DES3(bd) = RxBD;
ETH_DMARDLAR = (uint32_t) RxBD;
ETH_DMATDLAR = (uint32_t) TxBD;
}
/*---------------------------------------------------------------------------*/
/** @brief Transmit packet
*
* @param[in] ppkt uint8_t* Pointer to the beginning of the packet
* @param[in] n uint32_t Size of the packet
* @returns bool true, if success
*/
bool eth_tx(uint8_t *ppkt, uint32_t n)
{
if (ETH_DES0(TxBD) & ETH_TDES0_OWN) {
return false;
}
memcpy((void *)ETH_DES2(TxBD), ppkt, n);
ETH_DES1(TxBD) = n & ETH_TDES1_TBS1;
ETH_DES0(TxBD) |= ETH_TDES0_LS | ETH_TDES0_FS | ETH_TDES0_OWN;
TxBD = ETH_DES3(TxBD);
if (ETH_DMASR & ETH_DMASR_TBUS) {
ETH_DMASR = ETH_DMASR_TBUS;
ETH_DMATPDR = 0;
}
return true;
}
/*---------------------------------------------------------------------------*/
/** @brief Receive packet
*
* @param[inout] ppkt uint8_t* Pointer to the data buffer where to store data
* @param[inout] len uint32_t* Pointer to the variable with the packet length
* @param[in] maxlen uint32_t Maximum length of the packet
* @returns bool true, if the buffer contains readed packet data
*/
bool eth_rx(uint8_t *ppkt, uint32_t *len, uint32_t maxlen)
{
bool fs = false;
bool ls = false;
bool overrun = false;
uint32_t l = 0;
while (!(ETH_DES0(RxBD) & ETH_RDES0_OWN) && !ls) {
l = (ETH_DES0(RxBD) & ETH_RDES0_FL) >> ETH_RDES0_FL_SHIFT;
fs |= ETH_DES0(RxBD) & ETH_RDES0_FS;
ls |= ETH_DES0(RxBD) & ETH_RDES0_LS;
/* frame buffer overrun ?*/
overrun |= fs && (maxlen < l);
if (fs && !overrun) {
memcpy(ppkt, (void *)ETH_DES2(RxBD), l);
ppkt += l;
*len += l;
maxlen -= l;
}
ETH_DES0(RxBD) = ETH_RDES0_OWN;
RxBD = ETH_DES3(RxBD);
}
if (ETH_DMASR & ETH_DMASR_RBUS) {
ETH_DMASR = ETH_DMASR_RBUS;
ETH_DMARPDR = 0;
}
return fs && ls && !overrun;
}
/*---------------------------------------------------------------------------*/
/** @brief Start the Ethernet DMA processing
*/
void eth_start(void)
{
ETH_MACCR |= ETH_MACCR_TE;
ETH_DMAOMR |= ETH_DMAOMR_FTF;
ETH_MACCR |= ETH_MACCR_RE;
ETH_DMAOMR |= ETH_DMAOMR_ST;
ETH_DMAOMR |= ETH_DMAOMR_SR;
}
/*---------------------------------------------------------------------------*/
/** @brief Initialize ethernet
*
* This function will initialize ethernet, set up clocks, and initialize DMA.
*
* @param[in] clock enum eth_clk Core clock speed
*/
void eth_init(enum eth_clk clock)
{
ETH_MACMIIAR = clock;
phy_reset();
ETH_MACCR = ETH_MACCR_CSTF | ETH_MACCR_FES | ETH_MACCR_DM |
ETH_MACCR_APCS | ETH_MACCR_RD;
ETH_MACFFR = ETH_MACFFR_RA | ETH_MACFFR_PM;
ETH_MACHTHR = 0; /* pass all frames */
ETH_MACHTLR = 0;
ETH_MACFCR = (0x100 << ETH_MACFCR_PT_SHIFT);
ETH_MACVLANTR = 0;
ETH_DMAOMR = ETH_DMAOMR_DTCEFD | ETH_DMAOMR_RSF | ETH_DMAOMR_DFRF |
ETH_DMAOMR_TSF | ETH_DMAOMR_FEF | ETH_DMAOMR_OSF;
ETH_DMABMR = ETH_DMABMR_AAB | ETH_DMABMR_FB |
(32 << ETH_DMABMR_RDP_SHIFT) | (32 << ETH_DMABMR_PBL_SHIFT) |
ETH_DMABMR_PM_2_1 | ETH_DMABMR_USP;
}
/*---------------------------------------------------------------------------*/
/** @brief Enable the Ethernet IRQ
*
* @param[in] reason uint32_t Which irq will be enabled
*/
void eth_irq_enable(uint32_t reason)
{
ETH_DMAIER |= reason;
}
/*---------------------------------------------------------------------------*/
/** @brief Disable the Ethernet IRQ
*
* @param[in] reason uint32_t Which irq will be disabled
*/
void eth_irq_disable(uint32_t reason)
{
ETH_DMAIER &= ~reason;
}
/*---------------------------------------------------------------------------*/
/** @brief Check if IRQ is pending
*
* @param[in] reason uint32_t Which irq type has to be tested
* @returns bool true, if IRQ is pending
*/
bool eth_irq_is_pending(uint32_t reason)
{
return (ETH_DMASR & reason) != 0;
}
/*---------------------------------------------------------------------------*/
/** @brief Check if IRQ is pending, and acknowledge it
*
* @param[in] reason uint32_t Which irq type has to be tested
* @returns bool true, if IRQ is pending
*/
bool eth_irq_ack_pending(uint32_t reason)
{
reason &= ETH_DMASR;
ETH_DMASR = reason;
return reason != 0;
}
/*---------------------------------------------------------------------------*/
/** @brief Enable checksum offload feature
*
* This function will enable the Checksum offload feature for all of the
* transmit descriptors. Note to use this feature, descriptors must be in
* extended format.
*/
void eth_enable_checksum_offload(void)
{
uint32_t tab = TxBD;
do {
ETH_DES0(tab) |= ETH_TDES0_CIC_IPPLPH;
tab = ETH_DES3(tab);
}
while (tab != TxBD);
ETH_MACCR |= ETH_MACCR_IPCO;
}
/*---------------------------------------------------------------------------*/
/** @brief Process pending SMI transaction and wait to be done.
*/
static void eth_smi_transact(void)
{
/* Begin transaction. */
ETH_MACMIIAR |= ETH_MACMIIAR_MB;
/* Wait for not busy. */
while (ETH_MACMIIAR & ETH_MACMIIAR_MB);
}
/*---------------------------------------------------------------------------*/
/** @brief Write 16-bit register to the PHY
*
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
* @param[in] reg uint8_t Register address
* @param[in] data uint16_t Data to write
*/
void eth_smi_write(uint8_t phy, uint8_t reg, uint16_t data)
{
/* Write operation MW=1*/
ETH_MACMIIAR = (ETH_MACMIIAR & ETH_MACMIIAR_CR) | /* save clocks */
(phy << ETH_MACMIIAR_PA_SHIFT) |
(reg << ETH_MACMIIAR_MR_SHIFT) |
ETH_MACMIIAR_MW;
ETH_MACMIIDR = data & ETH_MACMIIDR_MD;
eth_smi_transact();
}
/*---------------------------------------------------------------------------*/
/** @brief Read the 16-bit register from the PHY
*
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
* @param[in] reg uint8_t Register address
* @returns uint16_t Readed data
*/
uint16_t eth_smi_read(uint8_t phy, uint8_t reg)
{
/* Read operation MW=0*/
ETH_MACMIIAR = (ETH_MACMIIAR & ETH_MACMIIAR_CR) | /* save clocks */
(phy << ETH_MACMIIAR_PA_SHIFT) |
(reg << ETH_MACMIIAR_MR_SHIFT);
eth_smi_transact();
return (uint16_t)(ETH_MACMIIDR & ETH_MACMIIDR_MD);
}
/*---------------------------------------------------------------------------*/
/** @brief Process the bit-operation on PHY register
*
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
* @param[in] reg uint8_t Register address
* @param[in] bits uint16_t Bits that have to be set (or'ed)
* @param[in] mask uint16_t Bits that have to be clear (and'ed)
*/
void eth_smi_bit_op(uint8_t phy, uint8_t reg, uint16_t bits, uint16_t mask)
{
uint16_t val = eth_smi_read(phy, reg);
eth_smi_write(phy, reg, (val & mask) | bits);
}
/*---------------------------------------------------------------------------*/
/** @brief Clear bits in the register
*
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
* @param[in] reg uint8_t Register address
* @param[in] clearbits uint16_t Bits that have to be cleared
*/
void eth_smi_bit_clear(uint8_t phy, uint8_t reg, uint16_t clearbits)
{
uint16_t val = eth_smi_read(phy, reg);
eth_smi_write(phy, reg, val & (uint16_t)~(clearbits));
}
/*---------------------------------------------------------------------------*/
/** @brief Set bits in the register
*
* @param[in] phy uint8_t ID of the PHY (defaults to 1)
* @param[in] reg uint8_t Register address
* @param[in] bits uint16_t Bits that have to be set (or'ed)
*/
void eth_smi_bit_set(uint8_t phy, uint8_t reg, uint16_t setbits)
{
uint16_t val = eth_smi_read(phy, reg);
eth_smi_write(phy, reg, val | setbits);
}
/*---------------------------------------------------------------------------*/
/**@}*/

64
lib/ethernet/phy.c
View File

@ -0,0 +1,64 @@
/** @defgroup ethernet_phy_file PHY Generic Drivers
*
* @ingroup ETH
*
* @brief <b>Ethernet PHY Generic Drivers</b>
*
* @version 1.0.0
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/ethernet/mac.h>
#include <libopencm3/ethernet/phy.h>
/**@{*/
/*---------------------------------------------------------------------------*/
/** @brief Is the link up ?
*
* @returns bool true, if link is up
*/
bool phy_link_isup(void)
{
return eth_smi_read(1, PHY_REG_BSR) & PHY_REG_BSR_UP;
}
/*---------------------------------------------------------------------------*/
/** @brief Reset the PHY
*
* Reset the PHY chip and wait for done
*/
void phy_reset(void)
{
eth_smi_write(1, PHY_REG_BCR, PHY_REG_BCR_RESET);
while (eth_smi_read(1, PHY_REG_BCR) & PHY_REG_BCR_RESET);
}
/*---------------------------------------------------------------------------*/
/**@}*/

89
lib/ethernet/phy_ksz8051mll.c
View File

@ -0,0 +1,89 @@
/** @defgroup ethernet_phy_ksz8051mll_file PHY KSZ8051MLL
*
* @ingroup ETH
*
* @brief <b>Ethernet PHY STM32Fxx7 Drivers</b>
*
* @version 1.0.0
* @author @htmlonly &copy; @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
*
* @date 1 September 2013
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/ethernet/mac.h>
#include <libopencm3/ethernet/phy.h>
#include <libopencm3/ethernet/phy_ksz8051mll.h>
/**@{*/
/*---------------------------------------------------------------------------*/
/** @brief Get the current link status
*
* Retrieve the link speed and duplex status of the link.
*
* @returns ::phy_status Link status
*/
enum phy_status phy_link_status(void)
{
return eth_smi_read(1, PHY_REG_CR1) & 0x07;
}
/*---------------------------------------------------------------------------*/
/** @brief Force autonegotiation
*
* Force the autonegotiation and set link speed and duplex mode of the link
*
* @param[in] mode enum phy_status Desired link status
*/
void phy_autoneg_force(enum phy_status mode)
{
uint16_t bst = 0;
if ((mode == LINK_FD_10M) || (mode == LINK_FD_100M) ||
(mode == LINK_FD_1000M) || (mode == LINK_FD_10000M)) {
bst |= PHY_REG_BCR_FD;
}
if ((mode == LINK_FD_100M) || (mode == LINK_FD_100M)) {
bst |= PHY_REG_BCR_100M;
}
eth_smi_bit_op(1, PHY_REG_BCR, bst,
~(PHY_REG_BCR_AN | PHY_REG_BCR_100M | PHY_REG_BCR_FD));
}
/*---------------------------------------------------------------------------*/
/** @brief Enable the autonegotiation
*
* Enable the autonegotiation of the link speed and duplex mode
*/
void phy_autoneg_enable(void)
{
eth_smi_bit_set(1, PHY_REG_BCR, PHY_REG_BCR_AN | PHY_REG_BCR_ANRST);
}
/*---------------------------------------------------------------------------*/
/**@}*/

3
lib/stm32/f4/Makefile
View File

@ -50,6 +50,9 @@ OBJS += crc_common_all.o dac_common_all.o dma_common_f24.o \
OBJS += usb.o usb_standard.o usb_control.o usb_fx07_common.o \
usb_f107.o usb_f207.o
OBJS += mac.o phy.o mac_stm32fxx7.o phy_ksz8051mll.o
VPATH += ../../usb:../:../../cm3:../common
VPATH += ../../ethernet
include ../../Makefile.include

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