📄 cs8900.h
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/* ------------------------------------------------------------------------ $Id: cs8900.h,v 1.3.2.1 2003/09/04 18:46:04 joel Exp $ ------------------------------------------------------------------------ My Right Boot, a boot ROM for embedded hardware. Copyright Cybertec Pty Ltd, 2000 All rights reserved Cybertec Pty Ltd, 2000 COPYRIGHT (c) 1989-1998. On-Line Applications Research Corporation (OAR). The license and distribution terms for this file may be found in the file LICENSE in this distribution or at http://www.rtems.com/license/LICENSE. ------------------------------------------------------------------------ CS8900 net boot driver. */#if !defined(_CS8900_H_)#define _CS8900_H_#include <rtems.h>#include <rtems/error.h>#include <rtems/rtems_bsdnet.h>#include <sys/param.h>#include <sys/mbuf.h>#include <sys/socket.h>#include <sys/sockio.h>#include <net/if.h>#include <netinet/in.h>#include <netinet/if_ether.h>/* #include <target.h> what does this provide? joel to chris */#define ET_MINLEN 60/* * CS8900 device register definitions *//* * Crystal ESIA product id. */#define CS8900_ESIA_ID (0x630e)/* * IO Registers. */#define CS8900_IO_RX_TX_DATA_PORT0 (0x0000)#define CS8900_IO_TX_TX_DATA_PORT1 (0x0002)#define CS8900_IO_TxCMD (0x0004)#define CS8900_IO_TxLength (0x0006)#define CS8900_IO_ISQ (0x0008)#define CS8900_IO_PACKET_PAGE_PTR (0x000a)#define CS8900_IO_PP_DATA_PORT0 (0x000c)#define CS8900_IO_PP_DATA_PORT1 (0x000e)/* * Packet Page Registers. *//* * Bus Interface Registers. */#define CS8900_PP_PROD_ID (0x0000)#define CS8900_PP_IO_BASE (0x0020)#define CS8900_PP_INT (0x0022)#define CS8900_PP_DMA_CHANNEL (0x0024)#define CS8900_PP_DMA_SOF (0x0026)#define CS8900_PP_DMA_FRM_CNT (0x0028)#define CS8900_PP_DMA_RX_BCNT (0x002a)#define CS8900_PP_MEM_BASE (0x002c)#define CS8900_PP_BPROM_BASE (0x0030)#define CS8900_PP_BPROM_AMASK (0x0034)#define CS8900_PP_EEPROM_CMD (0x0040)#define CS8900_PP_EEPROM_DATA (0x0042)#define CS8900_PP_RX_FRAME_BCNT (0x0050)/* * Configuration and Control Registers. */#define CS8900_PP_RxCFG (0x0102)#define CS8900_PP_RxCTL (0x0104)#define CS8900_PP_TxCFG (0x0106)#define CS8900_PP_TxCMD_READ (0x0108)#define CS8900_PP_BufCFG (0x010a)#define CS8900_PP_LineCFG (0x0112)#define CS8900_PP_SelfCTL (0x0114)#define CS8900_PP_BusCTL (0x0116)#define CS8900_PP_TestCTL (0x0118)/* * Status and Event Registers. */#define CS8900_PP_ISQ (0x0120)#define CS8900_PP_RxEvent (0x0124)#define CS8900_PP_TxEvent (0x0128)#define CS8900_PP_BufEvent (0x012c)#define CS8900_PP_RxMISS (0x0130)#define CS8900_PP_TxCol (0x0132)#define CS8900_PP_LineST (0x0134)#define CS8900_PP_SelfST (0x0136)#define CS8900_PP_BusST (0x0138)#define CS8900_PP_TDR (0x013c)/* * Initiate Transmit Registers. */#define CS8900_PP_TxCMD (0x0144)#define CS8900_PP_TxLength (0x0146)/* * Address Filter Registers. */#define CS8900_PP_LAF (0x0150)#define CS8900_PP_IA (0x0158)/* * Frame Location. */#define CS8900_PP_RxStatus (0x0400)#define CS8900_PP_RxLength (0x0402)#define CS8900_PP_RxFrameLoc (0x0404)#define CS8900_PP_TxFrameLoc (0x0a00)/* * Bit Definitions of Registers. *//* * IO Packet Page Pointer. */#define CS8900_PPP_AUTO_INCREMENT (0x8000)/* * Reg 3. Receiver Configuration. */#define CS8900_RX_CONFIG_SKIP_1 (1 << 6)#define CS8900_RX_CONFIG_STREAM_ENABLE (1 << 7)#define CS8900_RX_CONFIG_RX_OK (1 << 8)#define CS8900_RX_CONFIG_RX_DMA (1 << 9)#define CS8900_RX_CONFIG_RX_AUTO_DMA (1 << 10)#define CS8900_RX_CONFIG_BUFFER_CRC (1 << 11)#define CS8900_RX_CONFIG_CRC_ERROR (1 << 12)#define CS8900_RX_CONFIG_RUNT (1 << 13)#define CS8900_RX_CONFIG_EXTRA_DATA (1 << 14)/* * Reg 4. Receiver Event. */#define CS8900_RX_EVENT_HASH_IA_MATCH (1 << 6)#define CS8900_RX_EVENT_DRIBBLE_BITS (1 << 7)#define CS8900_RX_EVENT_RX_OK (1 << 8)#define CS8900_RX_EVENT_HASHED (1 << 9)#define CS8900_RX_EVENT_IA (1 << 10)#define CS8900_RX_EVENT_BROADCAST (1 << 11)#define CS8900_RX_EVENT_CRC_ERROR (1 << 12)#define CS8900_RX_EVENT_RUNT (1 << 13)#define CS8900_RX_EVENT_EXTRA_DATA (1 << 14)/* * Reg 5. Receiver Control. */#define CS8900_RX_CTRL_HASH_IA_MATCH (1 << 6)#define CS8900_RX_CTRL_PROMISCUOUS (1 << 7)#define CS8900_RX_CTRL_RX_OK (1 << 8)#define CS8900_RX_CTRL_MULTICAST (1 << 9)#define CS8900_RX_CTRL_INDIVIDUAL (1 << 10)#define CS8900_RX_CTRL_BROADCAST (1 << 11)#define CS8900_RX_CTRL_CRC_ERROR (1 << 12)#define CS8900_RX_CTRL_RUNT (1 << 13)#define CS8900_RX_CTRL_EXTRA_DATA (1 << 14)/* * Reg 7. Transmit Configuration. */#define CS8900_TX_CONFIG_LOSS_OF_CARRIER (1 << 6)#define CS8900_TX_CONFIG_SQ_ERROR (1 << 7)#define CS8900_TX_CONFIG_TX_OK (1 << 8)#define CS8900_TX_CONFIG_OUT_OF_WINDOW (1 << 9)#define CS8900_TX_CONFIG_JABBER (1 << 10)#define CS8900_TX_CONFIG_ANY_COLLISION (1 << 11)#define CS8900_TX_CONFIG_16_COLLISION (1 << 15)/* * Reg 8. Transmit Event. */#define CS8900_TX_EVENT_LOSS_OF_CARRIER (1 << 6)#define CS8900_TX_EVENT_SQ_ERROR (1 << 7)#define CS8900_TX_EVENT_TX_OK (1 << 8)#define CS8900_TX_EVENT_OUT_OF_WINDOW (1 << 9)#define CS8900_TX_EVENT_JABBER (1 << 10)#define CS8900_TX_EVENT_16_COLLISIONS (1 << 15)/* * Reg 9. Transmit Command Status. */#define CS8900_TX_CMD_STATUS_TX_START_5 (0 << 6)#define CS8900_TX_CMD_STATUS_TX_START_381 (1 << 6)#define CS8900_TX_CMD_STATUS_TX_START_1021 (2 << 6)#define CS8900_TX_CMD_STATUS_TX_START_ENTIRE (3 << 6)#define CS8900_TX_CMD_STATUS_FORCE (1 << 8)#define CS8900_TX_CMD_STATUS_ONE_COLLISION (1 << 9)#define CS8900_TX_CMD_STATUS_INHIBIT_CRC (1 << 12)#define CS8900_TX_CMD_STATUS_TX_PAD_DISABLED (1 << 13)/* * Reg B. Buffer Configuration. */#define CS8900_BUFFER_CONFIG_SW_INT (1 << 6)#define CS8900_BUFFER_CONFIG_RX_DMA_DONE (1 << 7)#define CS8900_BUFFER_CONFIG_RDY_FOR_TX (1 << 8)#define CS8900_BUFFER_CONFIG_TX_UNDERRUN (1 << 9)#define CS8900_BUFFER_CONFIG_RX_MISSED (1 << 10)#define CS8900_BUFFER_CONFIG_RX_128_BYTES (1 << 11)#define CS8900_BUFFER_CONFIG_TX_COL_OVF (1 << 12)#define CS8900_BUFFER_CONFIG_RX_MISSED_OVF (1 << 13)#define CS8900_BUFFER_CONFIG_RX_DEST_MATCH (1 << 15)/* * Reg C. Buffer Event. */#define CS8900_BUFFER_EVENT_SW_INT (1 << 6)#define CS8900_BUFFER_EVENT_RX_DMA_DONE (1 << 7)#define CS8900_BUFFER_EVENT_RDY_FOR_TX (1 << 8)#define CS8900_BUFFER_EVENT_TX_UNDERRUN (1 << 9)#define CS8900_BUFFER_EVENT_RX_MISSED (1 << 10)#define CS8900_BUFFER_EVENT_RX_128_BYTES (1 << 11)#define CS8900_BUFFER_EVENT_RX_DEST_MATCH (1 << 15)/* * Reg 13. Line Control. */#define CS8900_LINE_CTRL_RX_ON (1 << 6)#define CS8900_LINE_CTRL_TX_ON (1 << 7)#define CS8900_LINE_CTRL_AUI (1 << 8)#define CS8900_LINE_CTRL_10BASET (0 << 9)#define CS8900_LINE_CTRL_AUTO_AUI_10BASET (1 << 9)#define CS8900_LINE_CTRL_MOD_BACKOFF (1 << 11)#define CS8900_LINE_CTRL_POLARITY_DISABLED (1 << 12)#define CS8900_LINE_CTRL_2_PART_DEF_DISABLED (1 << 13)#define CS8900_LINE_CTRL_LO_RX_SQUELCH (1 << 14)/* * Reg 14. Line Status. */#define CS8900_LINE_STATUS_LINK_OK (1 << 7)#define CS8900_LINE_STATUS_AUI (1 << 8)#define CS8900_LINE_STATUS_10_BASE_T (1 << 9)#define CS8900_LINE_STATUS_POLARITY_OK (1 << 12)#define CS8900_LINE_STATUS_CRS (1 << 14)/* * Reg 15. Self Control. */#define CS8900_SELF_CTRL_RESET (1 << 6)#define CS8900_SELF_CTRL_SW_SUSPEND (1 << 8)#define CS8900_SELF_CTRL_HW_SLEEP (1 << 9)#define CS8900_SELF_CTRL_HW_STANDBY (1 << 10)#define CS8900_SELF_CTRL_HC0E (1 << 12)#define CS8900_SELF_CTRL_HC1E (1 << 13)#define CS8900_SELF_CTRL_HCB0 (1 << 14)#define CS8900_SELF_CTRL_HCB1 (1 << 15)/* * Reg 16. Self Status. */#define CS8900_SELF_STATUS_3_3_V (1 << 6)#define CS8900_SELF_STATUS_INITD (1 << 7)#define CS8900_SELF_STATUS_SIBUST (1 << 8)#define CS8900_SELF_STATUS_EEPROM_PRESENT (1 << 9) #define CS8900_SELF_STATUS_EEPROM_OK (1 << 10)#define CS8900_SELF_STATUS_EL_PRESENT (1 << 11)#define CS8900_SELF_STATUS_EE_SIZE (1 << 12)/* * Reg 17. Bus Control. */#define CS8900_BUS_CTRL_RESET_RX_DMA (1 << 6)#define CS8900_BUS_CTRL_USE_SA (1 << 9)#define CS8900_BUS_CTRL_MEMORY_ENABLE (1 << 10)#define CS8900_BUS_CTRL_DMA_BURST (1 << 11)#define CS8900_BUS_CTRL_IOCHRDYE (1 << 12)#define CS8900_BUS_CTRL_RX_DMA_SIZE (1 << 13)#define CS8900_BUS_CTRL_ENABLE_INT (1 << 15)/* * Reg 18. Bus Status. */#define CS8900_BUS_STATUS_TX_BID_ERROR (1 << 7)#define CS8900_BUS_STATUS_RDY_FOR_TX_NOW (1 << 8)/* * Trace for debugging the isq processing. Define to 1 to enable. */#define CS8900_TRACE 0#define CS8900_TRACE_SIZE (400)/* * Stats, more for debugging than anything else. */typedef struct{ unsigned long rx_packets; /* total packets received */ unsigned long tx_packets; /* total packets transmitted */ unsigned long rx_bytes; /* total bytes received */ unsigned long tx_bytes; /* total bytes transmitted */ unsigned long rx_interrupts; /* total number of rx interrupts */ unsigned long tx_interrupts; /* total number of tx interrupts */ /* detailed rx errors: */ unsigned long rx_dropped; /* no mbufs in queue */ unsigned long rx_no_mbufs; /* no mbufs */ unsigned long rx_no_clusters; /* no clusters */ unsigned long rx_oversize_errors; unsigned long rx_crc_errors; /* recved pkt with crc error */ unsigned long rx_runt_errors; unsigned long rx_missed_errors; /* receiver missed packet */ /* detailed tx errors */ unsigned long tx_ok; unsigned long tx_collisions; unsigned long tx_bid_errors; unsigned long tx_wait_for_rdy4tx; unsigned long tx_rdy4tx; unsigned long tx_underrun_errors; unsigned long tx_dropped; unsigned long tx_resends; /* interrupt watch dog */ unsigned long int_swint_req; unsigned long int_swint_res; unsigned long int_lockup; unsigned long interrupts;} eth_statistics;/* * CS8900 device structure */typedef struct{ /* * Device number. */ int dev; /* * The bsdnet information structure. */ struct arpcom arpcom; /* * Driver state and resources. */ int accept_bcast; int tx_active; rtems_id rx_task; rtems_id tx_task; /* * The queues. FIXME : these should be changed to be mbuf lists. */ struct mbuf *rx_ready_head; struct mbuf *rx_ready_tail; int rx_ready_len; struct mbuf *rx_loaded_head; struct mbuf *rx_loaded_tail; int rx_loaded_len;#if CS8900_TRACE unsigned short trace_key[CS8900_TRACE_SIZE]; unsigned long trace_var[CS8900_TRACE_SIZE]; unsigned long trace_time[CS8900_TRACE_SIZE]; int trace_in;#endif /* * Standard(!) ethernet statistics */ eth_statistics eth_stats; } cs8900_device;/* * Link is active, and RX count. */int cs8900_link_active (int dev);int cs8900_driver_attach (struct rtems_bsdnet_ifconfig *config, int attaching);rtems_isr cs8900_interrupt (rtems_vector_number v, void *cs);/* * Functions Users Provide to implement the driver. */void cs8900_attach_interrupt (int dev, cs8900_device *cs);void cs8900_detach_interrupt (int dev);void cs8900_get_mac_addr (int dev, unsigned char *mac_address);void cs8900_io_set_reg (int dev, unsigned short reg, unsigned short data);unsigned short cs8900_io_get_reg (int dev, unsigned short reg);void cs8900_mem_set_reg (int dev, unsigned long reg, unsigned short data);unsigned short cs8900_mem_get_reg (int dev, unsigned long reg);void cs8900_put_data_block (int dev, int len, unsigned char *data);unsigned short cs8900_get_data_block (int dev, unsigned char *data);void cs8900_tx_load (int dev, struct mbuf *m);#endif⌨️ 快捷键说明
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