/**************************************************************************************************** * arch/arm/src/stm32/chip/stm32_eth.h * * Copyright (C) 2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 * COPYRIGHT OWNER 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 __ARCH_ARM_SRC_STM32_CHIP_STM32_ETH_H #define __ARCH_ARM_SRC_STM32_CHIP_STM32_ETH_H /**************************************************************************************************** * Included Files ****************************************************************************************************/ #include #include "chip.h" #if STM32_NETHERNET > 0 /**************************************************************************************************** * Pre-processor Definitions ****************************************************************************************************/ /* Register Offsets *********************************************************************************/ /* MAC Registers */ #define STM32_ETH_MACCR_OFFSET 0x0000 /* Ethernet MAC configuration register */ #define STM32_ETH_MACFFR_OFFSET 0x0004 /* Ethernet MAC frame filter register */ #define STM32_ETH_MACHTHR_OFFSET 0x0008 /* Ethernet MAC hash table high register */ #define STM32_ETH_MACHTLR_OFFSET 0x000c /* Ethernet MAC hash table low register */ #define STM32_ETH_MACMIIAR_OFFSET 0x0010 /* Ethernet MAC MII address register */ #define STM32_ETH_MACMIIDR_OFFSET 0x0014 /* Ethernet MAC MII data register */ #define STM32_ETH_MACFCR_OFFSET 0x0018 /* Ethernet MAC flow control register */ #define STM32_ETH_MACVLANTR_OFFSET 0x001c /* Ethernet MAC VLAN tag register */ #define STM32_ETH_MACRWUFFR_OFFSET 0x0028 /* Ethernet MAC remote wakeup frame filter reg */ #define STM32_ETH_MACPMTCSR_OFFSET 0x002c /* Ethernet MAC PMT control and status register */ #define STM32_ETH_MACDBGR_OFFSET 0x0034 /* Ethernet MAC debug register */ #define STM32_ETH_MACSR_OFFSET 0x0038 /* Ethernet MAC interrupt status register */ #define STM32_ETH_MACIMR_OFFSET 0x003c /* Ethernet MAC interrupt mask register */ #define STM32_ETH_MACA0HR_OFFSET 0x0040 /* Ethernet MAC address 0 high register */ #define STM32_ETH_MACA0LR_OFFSET 0x0044 /* Ethernet MAC address 0 low register */ #define STM32_ETH_MACA1HR_OFFSET 0x0048 /* Ethernet MAC address 1 high register */ #define STM32_ETH_MACA1LR_OFFSET 0x004c /* Ethernet MAC address1 low register */ #define STM32_ETH_MACA2HR_OFFSET 0x0050 /* Ethernet MAC address 2 high register */ #define STM32_ETH_MACA2LR_OFFSET 0x0054 /* Ethernet MAC address 2 low register */ #define STM32_ETH_MACA3HR_OFFSET 0x0058 /* Ethernet MAC address 3 high register */ #define STM32_ETH_MACA3LR_OFFSET 0x005c /* Ethernet MAC address 3 low register */ /* MMC Registers */ #define STM32_ETH_MMCCR_OFFSET 0x0100 /* Ethernet MMC control register */ #define STM32_ETH_MMCRIR_OFFSET 0x0104 /* Ethernet MMC receive interrupt register */ #define STM32_ETH_MMCTIR_OFFSET 0x0108 /* Ethernet MMC transmit interrupt register */ #define STM32_ETH_MMCRIMR_OFFSET 0x010c /* Ethernet MMC receive interrupt mask register */ #define STM32_ETH_MMCTIMR_OFFSET 0x0110 /* Ethernet MMC transmit interrupt mask register */ #define STM32_ETH_MMCTGFSCCR_OFFSET 0x014c /* Ethernet MMC transmitted good frames counter register (single collision) */ #define STM32_ETH_MMCTGFMSCCR_OFFSET 0x0150 /* Ethernet MMC transmitted good frames counter register (multiple-collision) */ #define STM32_ETH_MMCTGFCR_OFFSET 0x0168 /* Ethernet MMC transmitted good frames counter register */ #define STM32_ETH_MMCRFCECR_OFFSET 0x0194 /* Ethernet MMC received frames with CRC error counter register */ #define STM32_ETH_MMCRFAECR_OFFSET 0x0198 /* Ethernet MMC received frames with alignment error counter */ #define STM32_ETH_MMCRGUFCR_OFFSET 0x01c4 /* MMC received good unicast frames counter register */ /* IEEE 1588 time stamp registers */ #define STM32_ETH_PTPTSCR_OFFSET 0x0700 /* Ethernet PTP time stamp control register */ #define STM32_ETH_PTPSSIR_OFFSET 0x0704 /* Ethernet PTP subsecond increment register */ #define STM32_ETH_PTPTSHR_OFFSET 0x0708 /* Ethernet PTP time stamp high register */ #define STM32_ETH_PTPTSLR_OFFSET 0x070c /* Ethernet PTP time stamp low register */ #define STM32_ETH_PTPTSHUR_OFFSET 0x0710 /* Ethernet PTP time stamp high update register */ #define STM32_ETH_PTPTSLUR_OFFSET 0x0714 /* Ethernet PTP time stamp low update register */ #define STM32_ETH_PTPTSAR_OFFSET 0x0718 /* Ethernet PTP time stamp addend register */ #define STM32_ETH_PTPTTHR_OFFSET 0x071c /* Ethernet PTP target time high register */ #define STM32_ETH_PTPTTLR_OFFSET 0x0720 /* Ethernet PTP target time low register */ #define STM32_ETH_PTPTSSR_OFFSET 0x0728 /* Ethernet PTP time stamp status register */ #define STM32_ETH_PTPPPSCR_OFFSET 0x072c /* Ethernet PTP PPS control register */ /* DMA Registers */ #define STM32_ETH_DMABMR_OFFSET 0x1000 /* Ethernet DMA bus mode register */ #define STM32_ETH_DMATPDR_OFFSET 0x1004 /* Ethernet DMA transmit poll demand register */ #define STM32_ETH_DMARPDR_OFFSET 0x1008 /* Ethernet DMA receive poll demand register */ #define STM32_ETH_DMARDLAR_OFFSET 0x100c /* Ethernet DMA receive descriptor list address register */ #define STM32_ETH_DMATDLAR_OFFSET 0x1010 /* Ethernet DMA transmit descriptor list address register */ #define STM32_ETH_DMASR_OFFSET 0x1014 /* Ethernet DMA status register */ #define STM32_ETH_DMAOMR_OFFSET 0x1018 /* Ethernet DMA operation mode register */ #define STM32_ETH_DMAIER_OFFSET 0x101c /* Ethernet DMA interrupt enable register */ #define STM32_ETH_DMAMFBOC_OFFSET 0x1020 /* Ethernet DMA missed frame and buffer overflow counter register */ #define STM32_ETH_DMARSWTR_OFFSET 0x1024 /* Ethernet DMA receive status watchdog timer register */ #define STM32_ETH_DMACHTDR_OFFSET 0x1048 /* Ethernet DMA current host transmit descriptor register */ #define STM32_ETH_DMACHRDR_OFFSET 0x104c /* Ethernet DMA current host receive descriptor register */ #define STM32_ETH_DMACHTBAR_OFFSET 0x1050 /* Ethernet DMA current host transmit buffer address register */ #define STM32_ETH_DMACHRBAR_OFFSET 0x1054 /* Ethernet DMA current host receive buffer address register */ /* Register Base Addresses **************************************************************************/ /* MAC Registers */ #define STM32_ETH_MACCR (STM32_ETHERNET_BASE+STM32_ETH_MACCR_OFFSET) #define STM32_ETH_MACFFR (STM32_ETHERNET_BASE+STM32_ETH_MACFFR_OFFSET) #define STM32_ETH_MACHTHR (STM32_ETHERNET_BASE+STM32_ETH_MACHTHR_OFFSET) #define STM32_ETH_MACHTLR (STM32_ETHERNET_BASE+STM32_ETH_MACHTLR_OFFSET) #define STM32_ETH_MACMIIAR (STM32_ETHERNET_BASE+STM32_ETH_MACMIIAR_OFFSET) #define STM32_ETH_MACMIIDR (STM32_ETHERNET_BASE+STM32_ETH_MACMIIDR_OFFSET) #define STM32_ETH_MACFCR (STM32_ETHERNET_BASE+STM32_ETH_MACFCR_OFFSET) #define STM32_ETH_MACVLANTR (STM32_ETHERNET_BASE+STM32_ETH_MACVLANTR_OFFSET) #define STM32_ETH_MACRWUFFR (STM32_ETHERNET_BASE+STM32_ETH_MACRWUFFR_OFFSET) #define STM32_ETH_MACPMTCSR (STM32_ETHERNET_BASE+STM32_ETH_MACPMTCSR_OFFSET) #define STM32_ETH_MACDBGR (STM32_ETHERNET_BASE+STM32_ETH_MACDBGR_OFFSET) #define STM32_ETH_MACSR (STM32_ETHERNET_BASE+STM32_ETH_MACSR_OFFSET) #define STM32_ETH_MACIMR (STM32_ETHERNET_BASE+STM32_ETH_MACIMR_OFFSET) #define STM32_ETH_MACA0HR (STM32_ETHERNET_BASE+STM32_ETH_MACA0HR_OFFSET) #define STM32_ETH_MACA0LR (STM32_ETHERNET_BASE+STM32_ETH_MACA0LR_OFFSET) #define STM32_ETH_MACA1HR (STM32_ETHERNET_BASE+STM32_ETH_MACA1HR_OFFSET) #define STM32_ETH_MACA1LR (STM32_ETHERNET_BASE+STM32_ETH_MACA1LR_OFFSET) #define STM32_ETH_MACA2HR (STM32_ETHERNET_BASE+STM32_ETH_MACA2HR_OFFSET) #define STM32_ETH_MACA2LR (STM32_ETHERNET_BASE+STM32_ETH_MACA2LR_OFFSET) #define STM32_ETH_MACA3HR (STM32_ETHERNET_BASE+STM32_ETH_MACA3HR_OFFSET) #define STM32_ETH_MACA3LR (STM32_ETHERNET_BASE+STM32_ETH_MACA3LR_OFFSET) /* MMC Registers */ #define STM32_ETH_MMCC (STM32_ETHERNET_BASE+STM32_ETH_MMCCR_OFFSET) #define STM32_ETH_MMCRIR (STM32_ETHERNET_BASE+STM32_ETH_MMCRIR_OFFSET) #define STM32_ETH_MMCTIR (STM32_ETHERNET_BASE+STM32_ETH_MMCTIR_OFFSET) #define STM32_ETH_MMCRIMR (STM32_ETHERNET_BASE+STM32_ETH_MMCRIMR_OFFSET) #define STM32_ETH_MMCTIMR (STM32_ETHERNET_BASE+STM32_ETH_MMCTIMR_OFFSET) #define STM32_ETH_MMCTGFSCCR (STM32_ETHERNET_BASE+STM32_ETH_MMCTGFSCCR_OFFSET) #define STM32_ETH_MMCTGFMSCCR (STM32_ETHERNET_BASE+STM32_ETH_MMCTGFMSCCR_OFFSET) #define STM32_ETH_MMCTGFCR (STM32_ETHERNET_BASE+STM32_ETH_MMCTGFCR_OFFSET) #define STM32_ETH_MMCRFCECR (STM32_ETHERNET_BASE+STM32_ETH_MMCRFCECR_OFFSET) #define STM32_ETH_MMCRFAECR (STM32_ETHERNET_BASE+STM32_ETH_MMCRFAECR_OFFSET) #define STM32_ETH_MMCRGUFCR (STM32_ETHERNET_BASE+STM32_ETH_MMCRGUFCR_OFFSET) /* IEEE 1588 time stamp registers */ #define STM32_ETH_PTPTSCR (STM32_ETHERNET_BASE+STM32_ETH_PTPTSCR_OFFSET) #define STM32_ETH_PTPSSIR (STM32_ETHERNET_BASE+STM32_ETH_PTPSSIR_OFFSET) #define STM32_ETH_PTPTSHR (STM32_ETHERNET_BASE+STM32_ETH_PTPTSHR_OFFSET) #define STM32_ETH_PTPTSLR (STM32_ETHERNET_BASE+STM32_ETH_PTPTSLR_OFFSET) #define STM32_ETH_PTPTSHUR (STM32_ETHERNET_BASE+STM32_ETH_PTPTSHUR_OFFSET) #define STM32_ETH_PTPTSLUR (STM32_ETHERNET_BASE+STM32_ETH_PTPTSLUR_OFFSET) #define STM32_ETH_PTPTSAR (STM32_ETHERNET_BASE+STM32_ETH_PTPTSAR_OFFSET) #define STM32_ETH_PTPTTHR (STM32_ETHERNET_BASE+STM32_ETH_PTPTTHR_OFFSET) #define STM32_ETH_PTPTTLR (STM32_ETHERNET_BASE+STM32_ETH_PTPTTLR_OFFSET) #define STM32_ETH_PTPTSSR (STM32_ETHERNET_BASE+STM32_ETH_PTPTSSR_OFFSET) #define STM32_ETH_PTPPPSCR (STM32_ETHERNET_BASE+STM32_ETH_PTPPPSCR_OFFSET) /* DMA Registers */ #define STM32_ETH_DMABMR (STM32_ETHERNET_BASE+STM32_ETH_DMABMR_OFFSET) #define STM32_ETH_DMATPDR (STM32_ETHERNET_BASE+STM32_ETH_DMATPDR_OFFSET) #define STM32_ETH_DMARPDR (STM32_ETHERNET_BASE+STM32_ETH_DMARPDR_OFFSET) #define STM32_ETH_DMARDLAR (STM32_ETHERNET_BASE+STM32_ETH_DMARDLAR_OFFSET) #define STM32_ETH_DMATDLAR (STM32_ETHERNET_BASE+STM32_ETH_DMATDLAR_OFFSET) #define STM32_ETH_DMASR (STM32_ETHERNET_BASE+STM32_ETH_DMASR_OFFSET) #define STM32_ETH_DMAOMR (STM32_ETHERNET_BASE+STM32_ETH_DMAOMR_OFFSET) #define STM32_ETH_DMAIER (STM32_ETHERNET_BASE+STM32_ETH_DMAIER_OFFSET) #define STM32_ETH_DMAMFBOC (STM32_ETHERNET_BASE+STM32_ETH_DMAMFBOC_OFFSET) #define STM32_ETH_DMARSWTR (STM32_ETHERNET_BASE+STM32_ETH_DMARSWTR_OFFSET) #define STM32_ETH_DMACHTDR (STM32_ETHERNET_BASE+STM32_ETH_DMACHTDR_OFFSET) #define STM32_ETH_DMACHRDR (STM32_ETHERNET_BASE+STM32_ETH_DMACHRDR_OFFSET) #define STM32_ETH_DMACHTBAR (STM32_ETHERNET_BASE+STM32_ETH_DMACHTBAR_OFFSET) #define STM32_ETH_DMACHRBAR (STM32_ETHERNET_BASE+STM32_ETH_DMACHRBAR_OFFSET) /* Register Bit-Field Definitions *******************************************************************/ /* MAC Registers */ /* Ethernet MAC configuration register */ #define ETH_MACCR_RE (1 << 2) /* Bit 2: Receiver enable */ #define ETH_MACCR_TE (1 << 3) /* Bit 3: Transmitter enable */ #define ETH_MACCR_DC (1 << 4) /* Bit 4: Deferral check */ #define ETH_MACCR_BL_SHIFT (5) /* Bits 5-6: Back-off limit */ #define ETH_MACCR_BL_MASK (3 << ETH_MACCR_BL_SHIFT) # define ETH_MACCR_BL_10 (0 << ETH_MACCR_BL_SHIFT) /* 00: k = min (n, 10) */ # define ETH_MACCR_BL_8 (1 << ETH_MACCR_BL_SHIFT) /* 01: k = min (n, 8) */ # define ETH_MACCR_BL_4 (2 << ETH_MACCR_BL_SHIFT) /* 10: k = min (n, 4) */ # define ETH_MACCR_BL_1 (3 << ETH_MACCR_BL_SHIFT) /* 11: k = min (n, 1) */ #define ETH_MACCR_APCS (1 << 7) /* Bit 7: Automatic pad/CRC stripping */ #define ETH_MACCR_RD (1 << 9) /* Bit 9: Retry disable */ #define ETH_MACCR_IPCO (1 << 10) /* Bit 10: IPv4 checksum offload */ #define ETH_MACCR_DM (1 << 11) /* Bit 11: Duplex mode */ #define ETH_MACCR_LM (1 << 12) /* Bit 12: Loopback mode */ #define ETH_MACCR_ROD (1 << 13) /* Bit 13: Receive own disable */ #define ETH_MACCR_FES (1 << 14) /* Bit 14: Fast Ethernet speed */ #define ETH_MACCR_CSD (1 << 16) /* Bit 16: Carrier sense disable */ #define ETH_MACCR_IFG_SHIFT (17) /* Bits 17-19: Interframe gap */ #define ETH_MACCR_IFG_MASK (7 << ETH_MACCR_IFG_SHIFT) # define ETH_MACCR_IFG(n) ((12-((n) >> 3)) << ETH_MACCR_IFG_SHIFT) /* n bit times, n=40,48,..96 */ #define ETH_MACCR_JD (1 << 22) /* Bit 22: Jabber disable */ #define ETH_MACCR_WD (1 << 23) /* Bit 23: Watchdog disable */ #define ETH_MACCR_CSTF (1 << 25) /* Bits 25: CRC stripping for Type frames */ /* Ethernet MAC frame filter register */ #define ETH_MACFFR_PM (1 << 0) /* Bit 0: Promiscuous mode */ #define ETH_MACFFR_HU (1 << 1) /* Bit 1: Hash unicast */ #define ETH_MACFFR_HM (1 << 2) /* Bit 2: Hash multicast */ #define ETH_MACFFR_DAIF (1 << 3) /* Bit 3: Destination address inverse filtering */ #define ETH_MACFFR_PAM (1 << 4) /* Bit 4: Pass all multicast */ #define ETH_MACFFR_BFD (1 << 5) /* Bit 5: Broadcast frames disable */ #define ETH_MACFFR_PCF_SHIFT (6) /* Bits 6-7: Pass control frames */ #define ETH_MACFFR_PCF_MASK (3 << ETH_MACFFR_PCF_SHIFT) # define ETH_MACFFR_PCF_NONE (0 << ETH_MACFFR_PCF_SHIFT) /* Prevents all control frames */ # define ETH_MACFFR_PCF_PAUSE (1 << ETH_MACFFR_PCF_SHIFT) /* Prevents all except Pause control frames */ # define ETH_MACFFR_PCF_ALL (2 << ETH_MACFFR_PCF_SHIFT) /* Forwards all control frames */ # define ETH_MACFFR_PCF_FILTER (3 << ETH_MACFFR_PCF_SHIFT) /* Forwards all that pass address filter */ #define ETH_MACFFR_SAIF (1 << 8) /* Bit 8: Source address inverse filtering */ #define ETH_MACFFR_SAF (1 << 9) /* Bit 9: Source address filter */ #define ETH_MACFFR_HPF (1 << 10) /* Bit 10: Hash or perfect filter */ #define ETH_MACFFR_RA (1 << 31) /* Bit 31: Receive all */ /* Ethernet MAC hash table high/low registers (32-bit values) */ /* Ethernet MAC MII address register */ #define ETH_MACMIIAR_MB (1 << 0) /* Bit 0: MII busy */ #define ETH_MACMIIAR_MW (1 << 1) /* Bit 1: MII write */ #define ETH_MACMIIAR_CR_SHIFT (2) /* Bits 2-4: Clock range */ #define ETH_MACMIIAR_CR_MASK (7 << ETH_MACMIIAR_CR_SHIFT) #if 0 /* Per the reference manual */ # define ETH_MACMIIAR_CR_60_100 (0 << ETH_MACMIIAR_CR_SHIFT) /* 000 60-100 MHzHCLK/42 */ # define ETH_MACMIIAR_CR_100_168 (1 << ETH_MACMIIAR_CR_SHIFT) /* 001 100-168 MHz HCLK/62 */ # define ETH_MACMIIAR_CR_20_35 (2 << ETH_MACMIIAR_CR_SHIFT) /* 010 20-35 MHz HCLK/16 */ # define ETH_MACMIIAR_CR_35_60 (3 << ETH_MACMIIAR_CR_SHIFT) /* 011 35-60 MHz HCLK/26 */ #else /* Per the driver example */ # define ETH_MACMIIAR_CR_60_100 (0 << ETH_MACMIIAR_CR_SHIFT) /* 000 60-100 MHz HCLK/42 */ # define ETH_MACMIIAR_CR_100_150 (1 << ETH_MACMIIAR_CR_SHIFT) /* 001 100-150 MHz HCLK/62 */ # define ETH_MACMIIAR_CR_20_35 (2 << ETH_MACMIIAR_CR_SHIFT) /* 010 20-35 MHz HCLK/16 */ # define ETH_MACMIIAR_CR_35_60 (3 << ETH_MACMIIAR_CR_SHIFT) /* 011 35-60 MHz HCLK/26 */ # define ETH_MACMIIAR_CR_150_168 (4 << ETH_MACMIIAR_CR_SHIFT) /* 100 150-168 MHz HCLK/102 */ #endif #define ETH_MACMIIAR_MR_SHIFT (6) /* Bits 6-10: MII register */ #define ETH_MACMIIAR_MR_MASK (31 << ETH_MACMIIAR_MR_SHIFT) #define ETH_MACMIIAR_PA_SHIFT (11) /* Bits 11-15: PHY address */ #define ETH_MACMIIAR_PA_MASK (31 << ETH_MACMIIAR_PA_SHIFT) /* Ethernet MAC MII data register */ #define ETH_MACMIIDR_MASK (0xffff) /* Ethernet MAC flow control register */ #define ETH_MACFCR_FCB_BPA (1 << 0) /* Bit 0: Flow control busy/back pressure activate */ #define ETH_MACFCR_TFCE (1 << 1) /* Bit 1: Transmit flow control enable */ #define ETH_MACFCR_RFCE (1 << 2) /* Bit 2: Receive flow control enable */ #define ETH_MACFCR_UPFD (1 << 3) /* Bit 3: Unicast pause frame detect */ #define ETH_MACFCR_PLT_SHIFT (4) /* Bits 4-5: Pause low threshold */ #define ETH_MACFCR_PLT_MASK (3 << ETH_MACFCR_PLT_SHIFT) # define ETH_MACFCR_PLT_M4 (0 << ETH_MACFCR_PLT_SHIFT) /* 00 Pause - 4 slot times */ # define ETH_MACFCR_PLT_M28 (1 << ETH_MACFCR_PLT_SHIFT) /* 01 Pause - 28 slot times */ # define ETH_MACFCR_PLT_M144 (2 << ETH_MACFCR_PLT_SHIFT) /* 10 Pause - 144 slot times */ # define ETH_MACFCR_PLT_M256 (3 << ETH_MACFCR_PLT_SHIFT) /* 11 Pause -s 256 slot times */ #define ETH_MACFCR_ZQPD (1 << 7) /* Bit 7: Zero-quanta pause disable */ #define ETH_MACFCR_PT_SHIFT (16) /* Bits 16-31: Pause time */ #define ETH_MACFCR_PT_MASK (0xffff << ETH_MACFCR_PT_SHIFT) /* Ethernet MAC VLAN tag register */ #define ETH_MACVLANTR_VLANTI_SHIFT (0) /* Bits 0-15: VLAN tag identifier (for receive frames) */ #define ETH_MACVLANTR_VLANTI_MASK (0xffff << ETH_MACVLANTR_VLANTI_SHIFT) #define ETH_MACVLANTR_VLANTC (1 << 16) /* Bit 16: 12-bit VLAN tag comparison */ /* Ethernet MAC remote wakeup frame filter reg. Provides 32-bit access to remote * remote wake-up filters. */ /* Ethernet MAC PMT control and status register */ #define ETH_MACPMTCSR_PD (1 << 0) /* Bit 0: Power down */ #define ETH_MACPMTCSR_MPE (1 << 1) /* Bit 1: Magic Packet enable */ #define ETH_MACPMTCSR_WFE (1 << 2) /* Bit 2: Wakeup frame enable */ #define ETH_MACPMTCSR_MPR (1 << 5) /* Bit 5: Magic packet received */ #define ETH_MACPMTCSR_WFR (1 << 6) /* Bit 6: Wakeup frame received */ #define ETH_MACPMTCSR_GU (1 << 9) /* Bit 9: Global unicast */ /* Ethernet MAC debug register */ #define ETH_MACDBGR_MMRPEA (1 << 0) /* Bit 0: MAC MII receive protocol engine active */ #define ETH_MACDBGR_MSFRWCS_SHIFT (1) /* Bits 1-2: MAC small FIFO read / write controllers status */ #define ETH_MACDBGR_MSFRWCS_MASK (3 << ETH_MACDBGR_MSFRWCS_SHIFT) #define ETH_MACDBGR_RFWRA (1 << 4) /* Bit 4: Rx FIFO write controller active */ #define ETH_MACDBGR_RFRCS_SHIFT (5) /* Bits 5-6: Rx FIFO read controller status */ #define ETH_MACDBGR_RFRCS_MASK (3 << ETH_MACDBGR_RFRCS_SHIFT) # define ETH_MACDBGR_RFRCS_IDLE (0 << ETH_MACDBGR_RFRCS_SHIFT) /* 00: IDLE state */ # define ETH_MACDBGR_RFRCS_RFRAME (1 << ETH_MACDBGR_RFRCS_SHIFT) /* 01: Reading frame data */ # define ETH_MACDBGR_RFRCS_RSTATUS (2 << ETH_MACDBGR_RFRCS_SHIFT) /* 10: Reading frame status (or time-stamp) */ # define ETH_MACDBGR_RFRCS_FLUSHING (3 << ETH_MACDBGR_RFRCS_SHIFT) /* 11: Flushing the frame data and status */ #define ETH_MACDBGR_RFFL_SHIFT (8) /* Bits 8-9: Rx FIFO fill level */ #define ETH_MACDBGR_RFFL_MASK (3 << ETH_MACDBGR_RFFL_SHIFT) # define ETH_MACDBGR_RFFL_EMPTY (0 << ETH_MACDBGR_RFFL_SHIFT) /* 00: RxFIFO empty */ # define ETH_MACDBGR_RFFL_DEACT (1 << ETH_MACDBGR_RFFL_SHIFT) /* 01: RxFIFO fill-level below flow-control de-activate threshold */ # define ETH_MACDBGR_RFFL_ACTIV (2 << ETH_MACDBGR_RFFL_SHIFT) /* 10: RxFIFO fill-level above flow-control activate threshold */ # define ETH_MACDBGR_RFFL_FULL (3 << ETH_MACDBGR_RFFL_SHIFT) /* 11: RxFIFO full */ #define ETH_MACDBGR_MMTEA (1 << 16) /* Bit 16: MAC MII transmit engine active */ #define ETH_MACDBGR_MTFCS_SHIFT (17) /* Bits 17-18: MAC transmit frame controller status */ #define ETH_MACDBGR_MTFCS_MASK (3 << ETH_MACDBGR_MTFCS_SHIFT) # define ETH_MACDBGR_MTFCS_IDLE (0 << ETH_MACDBGR_MTFCS_SHIFT) /* 00: Idle */ # define ETH_MACDBGR_MTFCS_WAITING (1 << ETH_MACDBGR_MTFCS_SHIFT) /* 01: Waiting for Status of previous frame or IFG/backoff period to be over */ # define ETH_MACDBGR_MTFCS_PAUSE (2 << ETH_MACDBGR_MTFCS_SHIFT) /* 10: Generating and transmitting a Pause control frame */ # define ETH_MACDBGR_MTFCS_FRAME (3 << ETH_MACDBGR_MTFCS_SHIFT) /* 11: Transferring input frame for transmission */ #define ETH_MACDBGR_MTP (1 << 19) /* Bit 19: MAC transmitter in pause */ #define ETH_MACDBGR_TFRS_SHIFT (20) /* Bits 20-21: Tx FIFO read status */ #define ETH_MACDBGR_TFRS_MASK (3 << ETH_MACDBGR_TFRS_SHIFT) # define ETH_MACDBGR_TFRS_IDLE (0 << ETH_MACDBGR_TFRS_SHIFT) /* 00: Idle state */ # define ETH_MACDBGR_TFRS_READ (1 << ETH_MACDBGR_TFRS_SHIFT) /* 01: Read state */ # define ETH_MACDBGR_TFRS_WAITING (2 << ETH_MACDBGR_TFRS_SHIFT) /* 10: Waiting for TxStatus from MAC transmitter */ # define ETH_MACDBGR_TFRS_WRITING (3 << ETH_MACDBGR_TFRS_SHIFT) /* 11: Writing the received TxStatus or flushing the TxFIFO */ #define ETH_MACDBGR_TFWA (1 << 22) /* Bit 22: Tx FIFO write active */ #define ETH_MACDBGR_TFNE (1 << 24) /* Bit 24: Tx FIFO not empty */ #define ETH_MACDBGR_TFF (1 << 25) /* Bit 25: Tx FIFO full */ /* Ethernet MAC interrupt status register */ #define ETH_MACSR_PMTS (1 << 3) /* Bit 3: PMT status */ #define ETH_MACSR_MMCS (1 << 4) /* Bit 4: MMC status */ #define ETH_MACSR_MMCRS (1 << 5) /* Bit 5: MMC receive status */ #define ETH_MACSR_MMCTS (1 << 6) /* Bit 6: MMC transmit status */ #define ETH_MACSR_TSTS (1 << 9) /* Bit 9: Time stamp trigger status */ /* Ethernet MAC interrupt mask register */ #define ETH_MACIMR_PMTIM (1 << 3) /* Bit 3: PMT interrupt mask */ #define ETH_MACIMR_TSTIM (1 << 9) /* Bit 9: Time stamp trigger interrupt mask */ #define ETH_MACIMR_ALLINTS (ETH_MACIMR_PMTIM|ETH_MACIMR_TSTIM) /* Ethernet MAC address 0 high register */ #define ETH_MACA0HR_MACA0H_SHIFT (0) /* Bits 0-15: MAC address0 high [47:32] */ #define ETH_MACA0HR_MACA0H_MASK (0xffff << ETH_MACA0HR_MACA0H_SHIFT) #define ETH_MACA0HR_MO (1 << 31) /* Bit 31:Always */ /* Ethernet MAC address 0 low register (MAC address0 low [31:0]) */ /* Ethernet MAC address 1 high register */ #define ETH_MACA1HR_MACA1H_SHIFT (0) /* Bits 0-15: MAC address1 high [47:32] */ #define ETH_MACA1HR_MACA1H_MASK (0xffff << ETH_MACA1HR_MACA1H_SHIFT) #define ETH_MACA1HR_MBC_SHIFT (24) /* Bits 24-29: Mask byte control */ #define ETH_MACA1HR_MBC_MASK (0x3f << ETH_MACA1HR_MBC_SHIFT) # define ETH_MACA1HR_MBC_40_47 (0x20 << ETH_MACA1HR_MBC_SHIFT) /* Bit 29: ETH_MACA1HR [8-15] */ # define ETH_MACA1HR_MBC_32_39 (0x10 << ETH_MACA1HR_MBC_SHIFT) /* Bit 28: ETH_MACA1HR [0-7] */ # define ETH_MACA1HR_MBC_24_31 (0x08 << ETH_MACA1HR_MBC_SHIFT) /* Bit 27: ETH_MACA1LR [24-31] */ # define ETH_MACA1HR_MBC_16_23 (0x04 << ETH_MACA1HR_MBC_SHIFT) /* Bit 26: ETH_MACA1LR [16-23] */ # define ETH_MACA1HR_MBC_8_15 (0x02 << ETH_MACA1HR_MBC_SHIFT) /* Bit 25: ETH_MACA1LR [8-15] */ # define ETH_MACA1HR_MBC_0_7 (0x01 << ETH_MACA1HR_MBC_SHIFT) /* Bit 24: ETH_MACA1LR [0-7] */ #define ETH_MACA1HR_SA (1 << 30) /* Bit 30: Source address */ #define ETH_MACA1HR_AE (1 << 31) /* Bit 31: Address enable */ /* Ethernet MAC address1 low register (MAC address1 low [31:0]) */ /* Ethernet MAC address 2 high register */ #define ETH_MACA2HR_MACA2H_SHIFT (0) /* Bits 0-15: MAC address2 high [47:32] */ #define ETH_MACA2HR_MACA2H_MASK (0xffff << ETH_MACA2HR_MACA2H_SHIFT) #define ETH_MACA2HR_MBC_SHIFT (24) /* Bits 24-29: Mask byte control */ #define ETH_MACA2HR_MBC_MASK (0x3f << ETH_MACA2HR_MBC_SHIFT) # define ETH_MACA2HR_MBC_40_47 (0x20 << ETH_MACA2HR_MBC_SHIFT) /* Bit 29: ETH_MACA2HR [8-15] */ # define ETH_MACA2HR_MBC_32_39 (0x10 << ETH_MACA2HR_MBC_SHIFT) /* Bit 28: ETH_MACA2HR [0-7] */ # define ETH_MACA2HR_MBC_24_31 (0x08 << ETH_MACA2HR_MBC_SHIFT) /* Bit 27: ETH_MACA2LR [24-31] */ # define ETH_MACA2HR_MBC_16_23 (0x04 << ETH_MACA2HR_MBC_SHIFT) /* Bit 26: ETH_MACA2LR [16-23] */ # define ETH_MACA2HR_MBC_8_15 (0x02 << ETH_MACA2HR_MBC_SHIFT) /* Bit 25: ETH_MACA2LR [8-15] */ # define ETH_MACA2HR_MBC_0_7 (0x01 << ETH_MACA2HR_MBC_SHIFT) /* Bit 24: ETH_MACA2LR [0-7] */ #define ETH_MACA2HR_SA (1 << 30) /* Bit 30: Source address */ #define ETH_MACA2HR_AE (1 << 31) /* Bit 31: Address enable */ /* Ethernet MAC address 2 low register (MAC address2 low [31:0]) */ /* Ethernet MAC address 3 high register */ #define ETH_MACA3HR_MACA3H_SHIFT (0) /* Bits 0-15: MAC address3 high [47:32] */ #define ETH_MACA3HR_MACA3H_MASK (0xffff << ETH_MACA3HR_MACA3H_SHIFT) #define ETH_MACA3HR_MBC_SHIFT (24) /* Bits 24-29: Mask byte control */ #define ETH_MACA3HR_MBC_MASK (0x3f << ETH_MACA3HR_MBC_SHIFT) # define ETH_MACA3HR_MBC_40_47 (0x20 << ETH_MACA3HR_MBC_SHIFT) /* Bit 29: ETH_MACA3HR [8-15] */ # define ETH_MACA3HR_MBC_32_39 (0x10 << ETH_MACA3HR_MBC_SHIFT) /* Bit 28: ETH_MACA3HR [0-7] */ # define ETH_MACA3HR_MBC_24_31 (0x08 << ETH_MACA3HR_MBC_SHIFT) /* Bit 27: ETH_MACA3LR [24-31] */ # define ETH_MACA3HR_MBC_16_23 (0x04 << ETH_MACA3HR_MBC_SHIFT) /* Bit 26: ETH_MACA3LR [16-23] */ # define ETH_MACA3HR_MBC_8_15 (0x02 << ETH_MACA3HR_MBC_SHIFT) /* Bit 25: ETH_MACA3LR [8-15] */ # define ETH_MACA3HR_MBC_0_7 (0x01 << ETH_MACA3HR_MBC_SHIFT) /* Bit 24: ETH_MACA3LR [0-7] */ #define ETH_MACA3HR_SA (1 << 30) /* Bit 30: Source address */ #define ETH_MACA3HR_AE (1 << 31) /* Bit 31: Address enable */ /* Ethernet MAC address 3 low register (MAC address3 low [31:0]) */ /* MMC Registers */ /* Ethernet MMC control register */ #define ETH_MMCCR_CR (1 << 0) /* Bit 0: Counter reset */ #define ETH_MMCCR_CSR (1 << 1) /* Bit 1: Counter stop rollover */ #define ETH_MMCCR_ROR (1 << 2) /* Bit 2: Reset on read */ #define ETH_MMCCR_MCF (1 << 3) /* Bit 3: MMC counter freeze */ #define ETH_MMCCR_MCP (1 << 4) /* Bit 4: MMC counter preset */ #define ETH_MMCCR_MCFHP (1 << 5) /* Bit 5: MMC counter Full-Half preset */ /* Ethernet MMC receive interrupt and interrupt mask registers */ #define ETH_MMCRI_RFCE (1 << 5) /* Bit 5: Received frame CRC error */ #define ETH_MMCRI_RFAE (1 << 6) /* Bit 6: Received frames alignment error */ #define ETH_MMCRI_RGUF (1 << 17) /* Bit 17: Received good unicast frames */ /* Ethernet MMC transmit interrupt and interrupt mask register */ #define ETH_MMCTI_TGFSC (1 << 14) /* Bit 14: Transmitted good frames single collision */ #define ETH_MMCTI_TGFMSC (1 << 15) /* Bit 15: Transmitted good frames more single collision */ #define ETH_MMCTI_TGF (1 << 21) /* Bit 21: Transmitted good frames */ /* 32-bit counters: * * Ethernet MMC transmitted good frames counter register (single collision) * Ethernet MMC transmitted good frames counter register (multiple-collision) * Ethernet MMC transmitted good frames counter register * Ethernet MMC received frames with CRC error counter register * Ethernet MMC received frames with alignment error counter * MMC received good unicast frames counter register */ /* IEEE 1588 time stamp registers */ /* Ethernet PTP time stamp control register */ #define ETH_PTPTSCR_TSE (1 << 0) /* Bit 0: Time stamp enable */ #define ETH_PTPTSCR_TSFCU (1 << 1) /* Bit 1: Time stamp fine or coarse update */ #define ETH_PTPTSCR_TSSTI (1 << 2) /* Bit 2: Time stamp system time initialize */ #define ETH_PTPTSCR_TSSTU (1 << 3) /* Bit 3: Time stamp system time update */ #define ETH_PTPTSCR_TSITE (1 << 4) /* Bit 4: Time stamp interrupt trigger enable */ #define ETH_PTPTSCR_TSARU (1 << 5) /* Bit 5: Time stamp addend register update */ #define ETH_PTPTSCR_TSSARFE (1 << 8) /* Bit 8: Time stamp snapshot for all received frames enable */ #define ETH_PTPTSCR_TSSSR (1 << 9) /* Bit 9: Time stamp subsecond rollover: digital or binary rollover control */ #define ETH_PTPTSCR_TSPTPPSV2E (1 << 10) /* Bit 10: Time stamp PTP packet snooping for version2 format enable */ #define ETH_PTPTSCR_TSSPTPOEFE (1 << 11) /* Bit 11: Time stamp snapshot for PTP over ethernet frames enable */ #define ETH_PTPTSCR_TSSIPV6FE (1 << 12) /* Bit 12: Time stamp snapshot for IPv6 frames enable */ #define ETH_PTPTSCR_TSSIPV4FE (1 << 13) /* Bit 13: Time stamp snapshot for IPv4 frames enable */ #define ETH_PTPTSCR_TSSEME (1 << 14) /* Bit 14: Time stamp snapshot for event message enable */ #define ETH_PTPTSCR_TSSMRME (1 << 15) /* Bit 15: Time stamp snapshot for message relevant to master enable */ #define ETH_PTPTSCR_TSCNT_SHIFT (16) /* Bits 16-17: Time stamp clock node type */ #define ETH_PTPTSCR_TSCNT_MASK (3 << ETH_PTPTSCR_TSCNT_SHIFT) # define ETH_PTPTSCR_TSCNT_ORDINARY (0 << ETH_PTPTSCR_TSCNT_SHIFT) /* 00: Ordinary clock */ # define ETH_PTPTSCR_TSCNT_BOUNDARY (1 << ETH_PTPTSCR_TSCNT_SHIFT) /* 01: Boundary clock */ # define ETH_PTPTSCR_TSCNT_E2E (2 << ETH_PTPTSCR_TSCNT_SHIFT) /* 10: End-to-end transparent clock */ # define ETH_PTPTSCR_TSCNT_P2P (3 << ETH_PTPTSCR_TSCNT_SHIFT) /* 11: Peer-to-peer transparent clock */ #define ETH_PTPTSCR_TSPFFMAE (1 << 18) /* Bit 18: Time stamp PTP frame filtering MAC address enable */ /* Ethernet PTP subsecond increment register */ #define ETH_PTPSSIR_MASK (0xff) /* Ethernet PTP time stamp high register (32-bit) */ /* Ethernet PTP time stamp low register */ #define ETH_PTPTSLR_STPNS (1 << 31) /* Bit 31: System time positive or negative sign */ #define ETH_PTPTSLR_MASK (0x7fffffff) /* Bits 0-30: System time subseconds */ /* Ethernet PTP time stamp high update register (32-bit) */ /* Ethernet PTP time stamp low update register */ #define ETH_PTPTSLU_TSUPNS (1 << 31) /* Bit 31: System time positive or negative sign */ #define ETH_PTPTSLU_MASK (0x7fffffff) /* Bits 0-30: Time stamp update subsecond */ /* Ethernet PTP time stamp addend register (32-bit) */ /* Ethernet PTP target time high register (32-bit) */ /* Ethernet PTP target time low register (32-bit) */ /* Ethernet PTP time stamp status register */ #define ETH_PTPTSSR_TSSO (1 << 0) /* Bit 0: Time stamp second overflow */ #define ETH_PTPTSSR_TSTTR (1 << 1) /* Bit 1: Time stamp target time reached */ /* Ethernet PTP PPS control register */ #define ETH_PTPPPSCR_PPSFREQ_SHIFT (0) /* Bits 0-3: PPS frequency selection */ #define ETH_PTPPPSCR_PPSFREQ_MASK (15 << ETH_PTPPPSCR_PPSFREQ_SHIFT) # define ETH_PTPPPSCR_PPSFREQ_1HZ (0 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 1 Hz with pulse width of 125/100 ms for binary/digital rollover */ # define ETH_PTPPPSCR_PPSFREQ_2HZ (1 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 2 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_4HZ (2 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 4 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_8HZ (3 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 8 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_16HZ (4 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 16 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_32HZ (5 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 32 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_64HZ (6 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 64 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_128HZ (7 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 128 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_256HZ (8 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 256 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_512HZ (9 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 512 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_1KHZ (10 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 1024 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_2KHZ (11 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 2048 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_4KHZ (12 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 4096 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_8KHZ (13 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 8192 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_16KHZ (14 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 16384 Hz with 50% duty cycle */ # define ETH_PTPPPSCR_PPSFREQ_32KHZ (15 << ETH_PTPPPSCR_PPSFREQ_SHIFT) /* 32768 Hz with 50% duty cycle */ /* DMA Registers */ /* Ethernet DMA bus mode register */ #define ETH_DMABMR_SR (1 << 0) /* Bit 0: Software reset */ #define ETH_DMABMR_DA (1 << 1) /* Bit 1: DMA Arbitration */ #define ETH_DMABMR_DSL_SHIFT (2) /* Bits 2-6: Descriptor skip length */ #define ETH_DMABMR_DSL_MASK (31 << ETH_DMABMR_DSL_SHIFT) # define ETH_DMABMR_DSL(n) ((n) << ETH_DMABMR_DSL_SHIFT) #define ETH_DMABMR_EDFE (1 << 7) /* Bit 7: Enhanced descriptor format enable */ #define ETH_DMABMR_PBL_SHIFT (8) /* Bits 8-13: Programmable burst length */ # define ETH_DMABMR_PBL(n) ((n) << ETH_DMABMR_PBL_SHIFT) /* n=1, 2, 4, 8, 16, 32 */ #define ETH_DMABMR_PBL_MASK (0x3f << ETH_DMABMR_PBL_SHIFT) #define ETH_DMABMR_RTPR_SHIFT (14) /* Bits 14-15: Rx Tx priority ratio */ #define ETH_DMABMR_RTPR_MASK (3 << ETH_DMABMR_RTPR_SHIFT) # define ETH_DMABMR_RTPR_1TO1 (0 << ETH_DMABMR_RTPR_SHIFT) /* 00: 1:1 */ # define ETH_DMABMR_RTPR_2TO1 (1 << ETH_DMABMR_RTPR_SHIFT) /* 01: 2:1 */ # define ETH_DMABMR_RTPR_3TO1 (2 << ETH_DMABMR_RTPR_SHIFT) /* 10: 3:1 */ # define ETH_DMABMR_RTPR_4TO1 (3 << ETH_DMABMR_RTPR_SHIFT) /* 11: 4:1 */ #define ETH_DMABMR_FB (1 << 16) /* Bit 16: Fixed burst */ #define ETH_DMABMR_RDP_SHIFT (17) /* Bits 17-22: Rx DMA PBL */ #define ETH_DMABMR_RDP_MASK (0x3f << ETH_DMABMR_RDP_SHIFT) # define ETH_DMABMR_RDP(n) ((n) << ETH_DMABMR_RDP_SHIFT) /* n=1, 2, 4, 8, 16, 32 */ #define ETH_DMABMR_USP (1 << 23) /* Bit 23: Use separate PBL */ #define ETH_DMABMR_FPM (1 << 24) /* Bit 24: 4xPBL mode */ #define ETH_DMABMR_AAB (1 << 25) /* Bit 25: Address-aligned beats */ #define ETH_DMABMR_MB (1 << 26) /* Bit 26: Mixed burst */ /* Ethernet DMA transmit poll demand register (32-bit) */ /* Ethernet DMA receive poll demand register (32-bit) */ /* Ethernet DMA receive descriptor list address register (32-bit address) */ /* Ethernet DMA transmit descriptor list address register (32-bit address) */ /* Interrupt bit definitions common between the DMA status register (DMASR) and * the DMA interrupt enable register (DMAIER). */ #define ETH_DMAINT_TI (1 << 0) /* Bit 0: Transmit interrupt */ #define ETH_DMAINT_TPSI (1 << 1) /* Bit 1: Transmit process stopped interrupt */ #define ETH_DMAINT_TBUI (1 << 2) /* Bit 2: Transmit buffer unavailable interrupt */ #define ETH_DMAINT_TJTI (1 << 3) /* Bit 3: Transmit jabber timeout interrupt */ #define ETH_DMAINT_ROI (1 << 4) /* Bit 4: Overflow interrupt */ #define ETH_DMAINT_TUI (1 << 5) /* Bit 5: Underflow interrupt */ #define ETH_DMAINT_RI (1 << 6) /* Bit 6: Receive interrupt */ #define ETH_DMAINT_RBUI (1 << 7) /* Bit 7: Receive buffer unavailable interrupt */ #define ETH_DMAINT_RPSI (1 << 8) /* Bit 8: Receive process stopped interrupt */ #define ETH_DMAINT_RWTI (1 << 9) /* Bit 9: Receive watchdog timeout interrupt */ #define ETH_DMAINT_ETI (1 << 10) /* Bit 10: Early transmit interrupt */ #define ETH_DMAINT_FBEI (1 << 13) /* Bit 13: Fatal bus error interrupt */ #define ETH_DMAINT_ERI (1 << 14) /* Bit 14: Early receive interrupt */ #define ETH_DMAINT_AIS (1 << 15) /* Bit 15: Abnormal interrupt summary */ #define ETH_DMAINT_NIS (1 << 16) /* Bit 16: Normal interrupt summary */ /* Ethernet DMA status register (in addition to the interrupt bits above */ #define ETH_DMASR_RPS_SHIFT (17) /* Bits 17-19: Receive process state */ #define ETH_DMASR_RPS_MASK (7 << ETH_DMASR_RPS_SHIFT) # define ETH_DMASR_RPS_STOPPED (0 << ETH_DMASR_RPS_SHIFT) /* 000: Stopped: Reset or Stop Receive Command issued */ # define ETH_DMASR_RPS_RXDESC (1 << ETH_DMASR_RPS_SHIFT) /* 001: Running: Fetching receive transfer descriptor */ # define ETH_DMASR_RPS_WAITING (3 << ETH_DMASR_RPS_SHIFT) /* 011: Running: Waiting for receive packet */ # define ETH_DMASR_RPS_SUSPENDED (4 << ETH_DMASR_RPS_SHIFT) /* 100: Suspended: Receive descriptor unavailable */ # define ETH_DMASR_RPS_CLOSING (5 << ETH_DMASR_RPS_SHIFT) /* 101: Running: Closing receive descriptor */ # define ETH_DMASR_RPS_TRANSFER (6 << ETH_DMASR_RPS_SHIFT) /* 111: Running: Transferring the receive data to memory */ #define ETH_DMASR_TPS_SHIFT (20) /* Bits 20-22: Transmit process state */ #define ETH_DMASR_TPS_MASK (7 << ETH_DMASR_TPS_SHIFT) # define ETH_DMASR_TPS_STOPPED (0 << ETH_DMASR_TPS_SHIFT) /* 000: Stopped; Reset or Stop Transmit Command issued */ # define ETH_DMASR_TPS_TXDESC (1 << ETH_DMASR_TPS_SHIFT) /* 001: Running; Fetching transmit transfer descriptor */ # define ETH_DMASR_TPS_WAITING (2 << ETH_DMASR_TPS_SHIFT) /* 010: Running; Waiting for status */ # define ETH_DMASR_TPS_TRANSFER (3 << ETH_DMASR_TPS_SHIFT) /* 011: Running; Reading data and queuing to transmit (TxFIFO) */ # define ETH_DMASR_TPS_SUSPENDED (6 << ETH_DMASR_TPS_SHIFT) /* 110: Suspended; Transmit descriptor unavailable or buffer underflow */ # define ETH_DMASR_TPS_CLOSING (7 << ETH_DMASR_TPS_SHIFT) /* 111: Running; Closing transmit descriptor */ #define ETH_DMASR_EBS_SHIFT (23) /* Bits 23-25: Error bits status */ #define ETH_DMASR_EBS_MASK (7 << ETH_DMASR_EBS_SHIFT) #define ETH_DMASR_EBS_TXDMS (1 << ETH_DMASR_EBS_SHIFT) /* Bit 23 1 Error during data transfer by TxDMA */ #define ETH_DMASR_EBS_READ (2 << ETH_DMASR_EBS_SHIFT) /* Bit 24 1 Error during read transfer */ #define ETH_DMASR_EBS_DESC (4 << ETH_DMASR_EBS_SHIFT) /* Bit 25 1 Error during descriptor access */ #define ETH_DMASR_MMCS (1 << 27) /* Bit 27: MMC status */ #define ETH_DMASR_PMTS (1 << 28) /* Bit 28: PMT status */ #define ETH_DMASR_TSTS (1 << 29) /* Bit 29: Time stamp trigger status */ /* Ethernet DMA operation mode register */ #define ETH_DMAOMR_SR (1 << 1) /* Bit 1: Start/stop receive */ #define ETH_DMAOMR_OSF (1 << 2) /* Bit 2: Operate on second frame */ #define ETH_DMAOMR_RTC_SHIFT (3) /* Bits 3-4: Receive threshold control */ #define ETH_DMAOMR_RTC_MASK (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) /* Bit 6: Forward undersized good frames */ #define ETH_DMAOMR_FEF (1 << 7) /* Bit 7: Forward error frames */ #define ETH_DMAOMR_ST (1 << 13) /* Bit 13: Start/stop transmission */ #define ETH_DMAOMR_TTC_SHIFT (14) /* Bits 14-16: Transmit threshold control */ #define ETH_DMAOMR_TTC_MASK (7 << 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) /* Bit 20: Flush transmit FIFO */ #define ETH_DMAOMR_TSF (1 << 21) /* Bit 21: Transmit store and forward */ #define ETH_DMAOMR_DFRF (1 << 24) /* Bit 24: Disable flushing of received frames */ #define ETH_DMAOMR_RSF (1 << 25) /* Bit 25: Receive store and forward */ #define ETH_DMAOMR_DTCEFD (1 << 26) /* Bit 26: Dropping of TCP/IP checksum error frames disable */ /* Ethernet DMA missed frame and buffer overflow counter register */ #define ETH_DMAMFBOC_MFC_SHIFT (0) /* Bits 0-15: Missed frames by the controller */ #define ETH_DMAMFBOC_MFC_MASK (0xffff << ETH_DMAMFBOC_MFC_SHIFT) #define ETH_DMAMFBOC_OMFC (1 << 16) /* Bit 16: Overflow bit for missed frame counter */ #define ETH_DMAMFBOC_MFA_SHIFT (17) /* Bits 17-27: Missed frames by the application */ #define ETH_DMAMFBOC_MFA_MASK (0x7ff << ETH_DMAMFBOC_MFA_SHIFT) #define ETH_DMAMFBOC_OFOC (1 << 28) /* Bit 28: Overflow bit for FIFO overflow counter */ /* Ethernet DMA receive status watchdog timer register */ #define ETH_DMARSWTR_MASK (0xff) /* Ethernet DMA current host transmit descriptor register (32-bit address) */ /* Ethernet DMA current host receive descriptor register (32-bit address) */ /* Ethernet DMA current host transmit buffer address register (32-bit address) */ /* Ethernet DMA current host receive buffer address register (32-bit address) */ /* DMA Descriptors **********************************************************************************/ /* TDES0: Transmit descriptor Word0 */ #define ETH_TDES0_DB (1 << 0) /* Bit 0: Deferred bit */ #define ETH_TDES0_UF (1 << 1) /* Bit 1: Underflow error */ #define ETH_TDES0_ED (1 << 2) /* Bit 2: Excessive deferral */ #define ETH_TDES0_CC_SHIFT (3) /* Bits 3-6: Collision count */ #define ETH_TDES0_CC_MASK (15 << ETH_TDES0_CC_SHIFT) #define ETH_TDES0_VF (1 << 7) /* Bit 7: VLAN frame */ #define ETH_TDES0_EC (1 << 8) /* Bit 8: Excessive collision */ #define ETH_TDES0_LCO (1 << 9) /* Bit 9: Late collision */ #define ETH_TDES0_NC (1 << 10) /* Bit 10: No carrier */ #define ETH_TDES0_LCA (1 << 11) /* Bit 11: Loss of carrier */ #define ETH_TDES0_IPE (1 << 12) /* Bit 12: IP payload error */ #define ETH_TDES0_FF (1 << 13) /* Bit 13: Frame flushed */ #define ETH_TDES0_JT (1 << 14) /* Bit 14: Jabber timeout */ #define ETH_TDES0_ES (1 << 15) /* Bit 15: Error summary */ #define ETH_TDES0_IHE (1 << 16) /* Bit 16: IP header error */ #define ETH_TDES0_TTSS (1 << 17) /* Bit 17: Transmit time stamp status */ #define ETH_TDES0_TCH (1 << 20) /* Bit 20: Second address chained */ #define ETH_TDES0_TER (1 << 21) /* Bit 21: Transmit end of ring */ #define ETH_TDES0_CIC_SHIFT (22) /* Bits 22-23: Checksum insertion control */ #define ETH_TDES0_CIC_MASK (3 << ETH_TDES0_CIC_SHIFT) # define ETH_TDES0_CIC_DISABLED (0 << ETH_TDES0_CIC_SHIFT) /* Checksum disabled */ # define ETH_TDES0_CIC_IH (1 << ETH_TDES0_CIC_SHIFT) /* IP header checksum enabled */ # define ETH_TDES0_CIC_IHPL (2 << ETH_TDES0_CIC_SHIFT) /* IP header and payload checksum enabled */ # define ETH_TDES0_CIC_ALL (3 << ETH_TDES0_CIC_SHIFT) /* IP Header, payload, and pseudo-header checksum enabled */ #define ETH_TDES0_TTSE (1 << 25) /* Bit 25: Transmit time stamp enable */ #define ETH_TDES0_DP (1 << 26) /* Bit 26: Disable pad */ #define ETH_TDES0_DC (1 << 27) /* Bit 27: Disable CRC */ #define ETH_TDES0_FS (1 << 28) /* Bit 28: First segment */ #define ETH_TDES0_LS (1 << 29) /* Bit 29: Last segment */ #define ETH_TDES0_IC (1 << 30) /* Bit 30: Interrupt on completion */ #define ETH_TDES0_OWN (1 << 31) /* Bit 31: Own bit */ /* TDES1: Transmit descriptor Word1 */ #define ETH_TDES1_TBS1_SHIFT (0) /* Bits 0-12: Transmit buffer 1 size */ #define ETH_TDES1_TBS1_MASK (0x1fff << ETH_TDES1_TBS1_SHIFT) #define ETH_TDES1_TBS2_SHIFT (16) /* Bits 16-28: Transmit buffer 2 size */ #define ETH_TDES1_TBS2_MASK (0x1fff << ETH_TDES1_TBS2_SHIFT) /* TDES2: Transmit descriptor Word2 (32-bit address) */ /* TDES3: Transmit descriptor Word3 (32-bit address) */ /* TDES6: Transmit descriptor Word6 (32-bit time stamp) */ /* TDES7: Transmit descriptor Word7 (32-bit time stamp) */ /* RDES0: Receive descriptor Word0 */ #define ETH_RDES0_PCE (1 << 0) /* Bit 0: Payload checksum error */ #define ETH_RDES0_ESA (1 << 0) /* Bit 0: Extended status available */ #define ETH_RDES0_CE (1 << 1) /* Bit 1: CRC error */ #define ETH_RDES0_DBE (1 << 2) /* Bit 2: Dribble bit error */ #define ETH_RDES0_RE (1 << 3) /* Bit 3: Receive error */ #define ETH_RDES0_RWT (1 << 4) /* Bit 4: Receive watchdog timeout */ #define ETH_RDES0_FT (1 << 5) /* Bit 5: Frame type */ #define ETH_RDES0_LCO (1 << 6) /* Bit 6: Late collision */ #define ETH_RDES0_TSV (1 << 7) /* Bit 7: Time stamp valid */ #define ETH_RDES0_IPHCE (1 << 7) /* Bit 7: IPv header checksum error */ #define ETH_RDES0_LS (1 << 8) /* Bit 8: Last descriptor */ #define ETH_RDES0_FS (1 << 9) /* Bit 9: First descriptor */ #define ETH_RDES0_VLAN (1 << 10) /* Bit 10: VLAN tag */ #define ETH_RDES0_OE (1 << 11) /* Bit 11: Overflow error */ #define ETH_RDES0_LE (1 << 12) /* Bit 12: Length error */ #define ETH_RDES0_SAF (1 << 13) /* Bit 13: Source address filter fail */ #define ETH_RDES0_DE (1 << 14) /* Bit 14: Descriptor error */ #define ETH_RDES0_ES (1 << 15) /* Bit 15: Error summary */ #define ETH_RDES0_FL_SHIFT (16) /* Bits 16-29: Frame length */ #define ETH_RDES0_FL_MASK (0x3fff << ETH_RDES0_FL_SHIFT) #define ETH_RDES0_AFM (1 << 30) /* Bit 30: Destination address filter fail */ #define ETH_RDES0_OWN (1 << 31) /* Bit 31: Own bit */ /* RDES1: Receive descriptor Word1 */ #define ETH_RDES1_RBS1_SHIFT (0) /* Bits 0-12: Receive buffer 1 size */ #define ETH_RDES1_RBS1_MASK (0x1fff << ETH_RDES1_RBS1_SHIFT) #define ETH_RDES1_RCH (1 << 14) /* Bit 14: Second address chained */ #define ETH_RDES1_RER (1 << 15) /* Bit 15: Receive end of ring */ #define ETH_RDES1_DIC (1 << 31) /* Bit 31: Disable interrupt on completion */ #define ETH_RDES1_RBS2_SHIFT (16) /* Bits 16-28: Receive buffer 2 size */ #define ETH_RDES1_RBS2_MASK (0x1fff << ETH_RDES1_RBS2_SHIFT) /* RDES2: Receive descriptor Word2 (32-bit address) */ /* RDES3: Receive descriptor Word3 (32-bit address) */ /* RDES4: Receive descriptor Word4 */ #define ETH_RDES4_PV (1 << 13) /* Bit 13: PTP version */ #define ETH_RDES4_PFT (1 << 12) /* Bit 12: PTP frame type */ #define ETH_RDES4_PMT_SHIFT (8) /* Bits 8-11: PTP message type */ #define ETH_RDES4_PMT_MASK (15 << ETH_RDES4_PMT_SHIFT) # define ETH_RDES4_PMT_NONE (0 << ETH_RDES4_PMT_SHIFT) /* No PTP message received */ # define ETH_RDES4_PMT_SYNC (1 << ETH_RDES4_PMT_SHIFT) /* SYNC (all clock types) */ # define ETH_RDES4_PMT_FOLLOWUP (2 << ETH_RDES4_PMT_SHIFT) /* Follow_Up (all clock types) */ # define ETH_RDES4_PMT_DELAYREQ (3 << ETH_RDES4_PMT_SHIFT) /* Delay_Req (all clock types) */ # define ETH_RDES4_PMT_DELAYRESP (4 << ETH_RDES4_PMT_SHIFT) /* Delay_Resp (all clock types) */ # define ETH_RDES4_PMT_PDELREQAM (5 << ETH_RDES4_PMT_SHIFT) /* 0101: Pdelay_Req (in peer-to-peer * transparent clock) or Announce (in * ordinary or boundary clock) */ # define ETH_RDES4_PMT_PDELREQMM (6 << ETH_RDES4_PMT_SHIFT) /* Pdelay_Resp (in peer-to-peer * transparent clock) or Management (in * ordinary or boundary clock) */ # define ETH_RDES4_PMT_PDELREQFUS (7 << ETH_RDES4_PMT_SHIFT) /* Pdelay_Resp_Follow_Up (in * peer-to-peer transparent clock) or * Signaling (for ordinary or boundary * clock) */ #define ETH_RDES4_IPV6PR (1 << 7) /* Bit 7: IPv6 packet received */ #define ETH_RDES4_IPV4PR (1 << 6) /* Bit 6: IPv4 packet received */ #define ETH_RDES4_IPCB (1 << 5) /* Bit 5: IP checksum bypassed */ #define ETH_RDES4_IPPE (1 << 4) /* Bit 4: IP payload error */ #define ETH_RDES4_IPHE (1 << 3) /* Bit 3: IP header error */ #define ETH_RDES4_IPPT_SHIFT (0) /* Bits 0-2: IP payload type */ #define ETH_RDES4_IPPT_MASK (7 << ETH_RDES4_IPPT_SHIFT) # define ETH_RDES4_IPPT_UDP (1 << ETH_RDES4_IPPT_SHIFT) /* UDP payload in IP datagram */ # define ETH_RDES4_IPPT_TCP (2 << ETH_RDES4_IPPT_SHIFT) /* TCP payload in IP datagram */ # define ETH_RDES4_IPPT_ICMP (3 << ETH_RDES4_IPPT_SHIFT) /* ICMP payload in IP datagram */ /* RDES5: Receive descriptor Word5 - Reserved */ /* RDES6: Receive descriptor Word6 (32-bit time stamp) */ /* RDES7: Receive descriptor Word7 (32-bit time stamp) */ /**************************************************************************************************** * Public Types ****************************************************************************************************/ #ifndef __ASSEMBLY__ /* Ethernet TX DMA Descriptor */ struct eth_txdesc_s { /* Normal DMA descriptor words */ volatile uint32_t tdes0; /* Status */ volatile uint32_t tdes1; /* Control and buffer1/2 lengths */ volatile uint32_t tdes2; /* Buffer1 address pointer */ volatile uint32_t tdes3; /* Buffer2 or next descriptor address pointer */ /* Enhanced DMA descriptor words with time stamp */ #ifdef CONFIG_STM32_ETH_ENHANCEDDESC volatile uint32_t tdes4; /* Reserved */ volatile uint32_t tdes5; /* Reserved */ volatile uint32_t tdes6; /* Time Stamp Low value for transmit and receive */ volatile uint32_t tdes7; /* Time Stamp High value for transmit and receive */ #endif }; /* Ethernet RX DMA Descriptor */ struct eth_rxdesc_s { volatile uint32_t rdes0; /* Status */ volatile uint32_t rdes1; /* Control and buffer1/2 lengths */ volatile uint32_t rdes2; /* Buffer1 address pointer */ volatile uint32_t rdes3; /* Buffer2 or next descriptor address pointer */ /* Enhanced DMA descriptor words with time stamp and PTP support */ #ifdef CONFIG_STM32_ETH_ENHANCEDDESC volatile uint32_t rdes4; /* Extended status for PTP receive descriptor */ volatile uint32_t rdes5; /* Reserved */ volatile uint32_t rdes6; /* Time Stamp Low value for transmit and receive */ volatile uint32_t rdes7; /* Time Stamp High value for transmit and receive */ #endif }; /**************************************************************************************************** * Public Functions ****************************************************************************************************/ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif #endif /* __ASSEMBLY__ */ #endif /* STM32_NETHERNET > 0 */ #endif /* __ARCH_ARM_SRC_STM32_CHIP_STM32_ETH_H */