/**************************************************************************//** * @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved. * * 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 of Nuvoton Technology Corp. 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 HOLDER 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. *****************************************************************************/ #include "M480.h" #ifndef _M480_ETH_ #define _M480_ETH_ /* Generic MII registers. */ #define MII_BMCR 0x00 /* Basic mode control register */ #define MII_BMSR 0x01 /* Basic mode status register */ #define MII_PHYSID1 0x02 /* PHYS ID 1 */ #define MII_PHYSID2 0x03 /* PHYS ID 2 */ #define MII_ADVERTISE 0x04 /* Advertisement control reg */ #define MII_LPA 0x05 /* Link partner ability reg */ #define MII_EXPANSION 0x06 /* Expansion register */ #define MII_DCOUNTER 0x12 /* Disconnect counter */ #define MII_FCSCOUNTER 0x13 /* False carrier counter */ #define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */ #define MII_RERRCOUNTER 0x15 /* Receive error counter */ #define MII_SREVISION 0x16 /* Silicon revision */ #define MII_RESV1 0x17 /* Reserved... */ #define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */ #define MII_PHYADDR 0x19 /* PHY address */ #define MII_RESV2 0x1a /* Reserved... */ #define MII_TPISTATUS 0x1b /* TPI status for 10mbps */ #define MII_NCONFIG 0x1c /* Network interface config */ /* Basic mode control register. */ #define BMCR_RESV 0x007f /* Unused... */ #define BMCR_CTST 0x0080 /* Collision test */ #define BMCR_FULLDPLX 0x0100 /* Full duplex */ #define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */ #define BMCR_ISOLATE 0x0400 /* Disconnect DP83840 from MII */ #define BMCR_PDOWN 0x0800 /* Powerdown the DP83840 */ #define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */ #define BMCR_SPEED100 0x2000 /* Select 100Mbps */ #define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */ #define BMCR_RESET 0x8000 /* Reset the DP83840 */ /* Basic mode status register. */ #define BMSR_ERCAP 0x0001 /* Ext-reg capability */ #define BMSR_JCD 0x0002 /* Jabber detected */ #define BMSR_LSTATUS 0x0004 /* Link status */ #define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */ #define BMSR_RFAULT 0x0010 /* Remote fault detected */ #define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */ #define BMSR_RESV 0x07c0 /* Unused... */ #define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */ #define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */ #define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */ #define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */ #define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */ /* Advertisement control register. */ #define ADVERTISE_SLCT 0x001f /* Selector bits */ #define ADVERTISE_CSMA 0x0001 /* Only selector supported */ #define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ #define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ #define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */ #define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */ #define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */ #define ADVERTISE_RESV 0x1c00 /* Unused... */ #define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */ #define ADVERTISE_LPACK 0x4000 /* Ack link partners response */ #define ADVERTISE_NPAGE 0x8000 /* Next page bit */ #define RX_DESCRIPTOR_NUM 4 //8 // Max Number of Rx Frame Descriptors #define TX_DESCRIPTOR_NUM 2 //4 // Max number of Tx Frame Descriptors #define PACKET_BUFFER_SIZE 1520 #define CONFIG_PHY_ADDR 1 // Frame Descriptor's Owner bit #define OWNERSHIP_EMAC 0x80000000 // 1 = EMAC //#define OWNERSHIP_CPU 0x7fffffff // 0 = CPU // Rx Frame Descriptor Status #define RXFD_RXGD 0x00100000 // Receiving Good Packet Received #define RXFD_RTSAS 0x00800000 // RX Time Stamp Available // Tx Frame Descriptor's Control bits #define TXFD_TTSEN 0x08 // Tx Time Stamp Enable #define TXFD_INTEN 0x04 // Interrupt Enable #define TXFD_CRCAPP 0x02 // Append CRC #define TXFD_PADEN 0x01 // Padding Enable // Tx Frame Descriptor Status #define TXFD_TXCP 0x00080000 // Transmission Completion #define TXFD_TTSAS 0x08000000 // TX Time Stamp Available // Tx/Rx buffer descriptor structure struct eth_descriptor; struct eth_descriptor { uint32_t status1; uint8_t *buf; uint32_t status2; struct eth_descriptor *next; #ifdef TIME_STAMPING uint32_t backup1; uint32_t backup2; uint32_t reserved1; uint32_t reserved2; #endif }; #ifdef TIME_STAMPING #define ETH_TS_ENABLE() do{EMAC->TSCTL = EMAC_TSCTL_TSEN_Msk;}while(0) #define ETH_TS_START() do{EMAC->TSCTL |= (EMAC_TSCTL_TSMODE_Msk | EMAC_TSCTL_TSIEN_Msk);}while(0) s32_t ETH_settime(u32_t sec, u32_t nsec); s32_t ETH_gettime(u32_t *sec, u32_t *nsec); s32_t ETH_updatetime(u32_t neg, u32_t sec, u32_t nsec); s32_t ETH_adjtimex(int ppm); void ETH_setinc(void); #endif #ifdef NU_TRACE #define NU_DEBUGF(x) { printf x; } #else #define NU_DEBUGF(x) #endif void numaker_set_mac_addr(uint8_t *addr); int numaker_eth_init(uint8_t *mac_addr); uint8_t *numaker_eth_get_tx_buf(void); void numaker_eth_trigger_tx(uint16_t length, void *p); int numaker_eth_get_rx_buf(uint16_t *len, uint8_t **buf); void numaker_eth_rx_next(void); void numaker_eth_trigger_rx(void); int numaker_eth_link_ok(void); void numaker_mac_address(uint8_t *mac); void numaker_eth_enable_interrupts(void); void numaker_eth_disable_interrupts(void); #endif /* _M480_ETH_ */