/*
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/*
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* eth82586.h: Intel EtherExpress defines
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* eth82586.h: Intel EtherExpress defines
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*
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*
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* Written 1995 by John Sullivan
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* Written 1995 by John Sullivan
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* See eexpress.c for further details
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* See eexpress.c for further details
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* documentation and usage to do.
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* documentation and usage to do.
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*/
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*/
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/*
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/*
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* EtherExpress card register addresses
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* EtherExpress card register addresses
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* as offsets from the base IO region (dev->base_addr)
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* as offsets from the base IO region (dev->base_addr)
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*/
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*/
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#define DATAPORT 0x0000
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#define DATAPORT 0x0000
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#define WRITE_PTR 0x0002
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#define WRITE_PTR 0x0002
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#define READ_PTR 0x0004
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#define READ_PTR 0x0004
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#define SIGNAL_CA 0x0006
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#define SIGNAL_CA 0x0006
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#define SET_IRQ 0x0007
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#define SET_IRQ 0x0007
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#define SM_PTR 0x0008
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#define SM_PTR 0x0008
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#define MEM_Ctrl 0x000b
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#define MEM_Ctrl 0x000b
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#define MEM_Page_Ctrl 0x000c
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#define MEM_Page_Ctrl 0x000c
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#define Config 0x000d
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#define Config 0x000d
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#define EEPROM_Ctrl 0x000e
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#define EEPROM_Ctrl 0x000e
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#define ID_PORT 0x000f
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#define ID_PORT 0x000f
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/*
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/*
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* offset to shadowed memory, 0 <= x <= 31. We don't use this yet,
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* offset to shadowed memory, 0 <= x <= 31. We don't use this yet,
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* but may in the future. Is shadow memory access any faster than
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* but may in the future. Is shadow memory access any faster than
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* dataport access?
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* dataport access?
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*/
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*/
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#define SM_ADDR(x) (0x4000+((x&0x10)<<10)+(x&0xf))
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#define SM_ADDR(x) (0x4000+((x&0x10)<<10)+(x&0xf))
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/* Always mirrors eexp-memory at 0x0008-0x000f */
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/* Always mirrors eexp-memory at 0x0008-0x000f */
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#define SCB_STATUS 0xc008
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#define SCB_STATUS 0xc008
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#define SCB_CMD 0xc00a
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#define SCB_CMD 0xc00a
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#define SCB_CBL 0xc00c
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#define SCB_CBL 0xc00c
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#define SCB_RFA 0xc00e
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#define SCB_RFA 0xc00e
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/*
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/*
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* card register defines
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* card register defines
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*/
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*/
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/* SET_IRQ */
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/* SET_IRQ */
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#define SIRQ_en 0x08
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#define SIRQ_en 0x08
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#define SIRQ_dis 0x00
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#define SIRQ_dis 0x00
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/* Config */
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/* Config */
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#define set_loopback outb(inb(ioaddr+Config)|0x02,ioaddr+Config)
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#define set_loopback outb(inb(ioaddr+Config)|0x02,ioaddr+Config)
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#define clear_loopback outb(inb(ioaddr+Config)&0xfd,ioaddr+Config)
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#define clear_loopback outb(inb(ioaddr+Config)&0xfd,ioaddr+Config)
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/* EEPROM_Ctrl */
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/* EEPROM_Ctrl */
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#define EC_Clk 0x01
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#define EC_Clk 0x01
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#define EC_CS 0x02
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#define EC_CS 0x02
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#define EC_Wr 0x04
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#define EC_Wr 0x04
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#define EC_Rd 0x08
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#define EC_Rd 0x08
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#define ASIC_RST 0x40
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#define ASIC_RST 0x40
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#define i586_RST 0x80
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#define i586_RST 0x80
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#define eeprom_delay() { int _i = 40; while (--_i>0) { __SLOW_DOWN_IO; }}
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#define eeprom_delay() { int _i = 40; while (--_i>0) { __SLOW_DOWN_IO; }}
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/*
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/*
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* i82586 Memory Configuration
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* i82586 Memory Configuration
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*/
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*/
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/* (System Configuration Pointer) System start up block, read after 586_RST */
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/* (System Configuration Pointer) System start up block, read after 586_RST */
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#define SCP_START 0xfff6
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#define SCP_START 0xfff6
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/* Intermediate System Configuration Pointer */
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/* Intermediate System Configuration Pointer */
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#define ISCP_START 0x0000
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#define ISCP_START 0x0000
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/* System Command Block */
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/* System Command Block */
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#define SCB_START 0x0008
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#define SCB_START 0x0008
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/*
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/*
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* Start of buffer region. If we have 64k memory, eexp_hw_probe() may raise
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* Start of buffer region. If we have 64k memory, eexp_hw_probe() may raise
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* NUM_TX_BUFS. RX_BUF_END is set to the end of memory, and all space between
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* NUM_TX_BUFS. RX_BUF_END is set to the end of memory, and all space between
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* the transmit buffer region and end of memory used for as many receive buffers
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* the transmit buffer region and end of memory used for as many receive buffers
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* as we can fit. See eexp_hw_[(rx)(tx)]init().
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* as we can fit. See eexp_hw_[(rx)(tx)]init().
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*/
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*/
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#define TX_BUF_START 0x0100
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#define TX_BUF_START 0x0100
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#define TX_BUF_SIZE ((24+ETH_FRAME_LEN+31)&~0x1f)
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#define TX_BUF_SIZE ((24+ETH_FRAME_LEN+31)&~0x1f)
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#define RX_BUF_SIZE ((32+ETH_FRAME_LEN+31)&~0x1f)
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#define RX_BUF_SIZE ((32+ETH_FRAME_LEN+31)&~0x1f)
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/*
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/*
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* SCB defines
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* SCB defines
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*/
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*/
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/* these functions take the SCB status word and test the relevant status bit */
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/* these functions take the SCB status word and test the relevant status bit */
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#define SCB_complete(s) ((s&0x8000)!=0)
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#define SCB_complete(s) ((s&0x8000)!=0)
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#define SCB_rxdframe(s) ((s&0x4000)!=0)
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#define SCB_rxdframe(s) ((s&0x4000)!=0)
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#define SCB_CUdead(s) ((s&0x2000)!=0)
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#define SCB_CUdead(s) ((s&0x2000)!=0)
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#define SCB_RUdead(s) ((s&0x1000)!=0)
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#define SCB_RUdead(s) ((s&0x1000)!=0)
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#define SCB_ack(s) (s & 0xf000)
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#define SCB_ack(s) (s & 0xf000)
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/* Command unit status: 0=idle, 1=suspended, 2=active */
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/* Command unit status: 0=idle, 1=suspended, 2=active */
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#define SCB_CUstat(s) ((s&0x0300)>>8)
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#define SCB_CUstat(s) ((s&0x0300)>>8)
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/* Receive unit status: 0=idle, 1=suspended, 2=out of resources, 4=ready */
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/* Receive unit status: 0=idle, 1=suspended, 2=out of resources, 4=ready */
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#define SCB_RUstat(s) ((s&0x0070)>>4)
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#define SCB_RUstat(s) ((s&0x0070)>>4)
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/* SCB commands */
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/* SCB commands */
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#define SCB_CUnop 0x0000
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#define SCB_CUnop 0x0000
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#define SCB_CUstart 0x0100
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#define SCB_CUstart 0x0100
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#define SCB_CUresume 0x0200
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#define SCB_CUresume 0x0200
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#define SCB_CUsuspend 0x0300
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#define SCB_CUsuspend 0x0300
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#define SCB_CUabort 0x0400
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#define SCB_CUabort 0x0400
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/* ? */
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/* ? */
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#define SCB_resetchip 0x0080
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#define SCB_resetchip 0x0080
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#define SCB_RUnop 0x0000
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#define SCB_RUnop 0x0000
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#define SCB_RUstart 0x0010
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#define SCB_RUstart 0x0010
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#define SCB_RUresume 0x0020
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#define SCB_RUresume 0x0020
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#define SCB_RUsuspend 0x0030
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#define SCB_RUsuspend 0x0030
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#define SCB_RUabort 0x0040
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#define SCB_RUabort 0x0040
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/*
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/*
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* Command block defines
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* Command block defines
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*/
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*/
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#define Stat_Done(s) ((s&0x8000)!=0)
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#define Stat_Done(s) ((s&0x8000)!=0)
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#define Stat_Busy(s) ((s&0x4000)!=0)
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#define Stat_Busy(s) ((s&0x4000)!=0)
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#define Stat_OK(s) ((s&0x2000)!=0)
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#define Stat_OK(s) ((s&0x2000)!=0)
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#define Stat_Abort(s) ((s&0x1000)!=0)
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#define Stat_Abort(s) ((s&0x1000)!=0)
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#define Stat_STFail ((s&0x0800)!=0)
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#define Stat_STFail ((s&0x0800)!=0)
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#define Stat_TNoCar(s) ((s&0x0400)!=0)
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#define Stat_TNoCar(s) ((s&0x0400)!=0)
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#define Stat_TNoCTS(s) ((s&0x0200)!=0)
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#define Stat_TNoCTS(s) ((s&0x0200)!=0)
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#define Stat_TNoDMA(s) ((s&0x0100)!=0)
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#define Stat_TNoDMA(s) ((s&0x0100)!=0)
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#define Stat_TDefer(s) ((s&0x0080)!=0)
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#define Stat_TDefer(s) ((s&0x0080)!=0)
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#define Stat_TColl(s) ((s&0x0040)!=0)
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#define Stat_TColl(s) ((s&0x0040)!=0)
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#define Stat_TXColl(s) ((s&0x0020)!=0)
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#define Stat_TXColl(s) ((s&0x0020)!=0)
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#define Stat_NoColl(s) (s&0x000f)
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#define Stat_NoColl(s) (s&0x000f)
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/* Cmd_END will end AFTER the command if this is the first
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/* Cmd_END will end AFTER the command if this is the first
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* command block after an SCB_CUstart, but BEFORE the command
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* command block after an SCB_CUstart, but BEFORE the command
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* for all subsequent commands. Best strategy is to place
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* for all subsequent commands. Best strategy is to place
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* Cmd_INT on the last command in the sequence, followed by a
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* Cmd_INT on the last command in the sequence, followed by a
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* dummy Cmd_Nop with Cmd_END after this.
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* dummy Cmd_Nop with Cmd_END after this.
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*/
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*/
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#define Cmd_END 0x8000
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#define Cmd_END 0x8000
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#define Cmd_SUS 0x4000
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#define Cmd_SUS 0x4000
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#define Cmd_INT 0x2000
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#define Cmd_INT 0x2000
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#define Cmd_Nop 0x0000
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#define Cmd_Nop 0x0000
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#define Cmd_SetAddr 0x0001
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#define Cmd_SetAddr 0x0001
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#define Cmd_Config 0x0002
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#define Cmd_Config 0x0002
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#define Cmd_MCast 0x0003
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#define Cmd_MCast 0x0003
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#define Cmd_Xmit 0x0004
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#define Cmd_Xmit 0x0004
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#define Cmd_TDR 0x0005
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#define Cmd_TDR 0x0005
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#define Cmd_Dump 0x0006
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#define Cmd_Dump 0x0006
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#define Cmd_Diag 0x0007
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#define Cmd_Diag 0x0007
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/*
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/*
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* Frame Descriptor (Receive block) defines
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* Frame Descriptor (Receive block) defines
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*/
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*/
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#define FD_Done(s) ((s&0x8000)!=0)
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#define FD_Done(s) ((s&0x8000)!=0)
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#define FD_Busy(s) ((s&0x4000)!=0)
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#define FD_Busy(s) ((s&0x4000)!=0)
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#define FD_OK(s) ((s&0x2000)!=0)
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#define FD_OK(s) ((s&0x2000)!=0)
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#define FD_CRC(s) ((s&0x0800)!=0)
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#define FD_CRC(s) ((s&0x0800)!=0)
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#define FD_Align(s) ((s&0x0400)!=0)
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#define FD_Align(s) ((s&0x0400)!=0)
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#define FD_Resrc(s) ((s&0x0200)!=0)
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#define FD_Resrc(s) ((s&0x0200)!=0)
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#define FD_DMA(s) ((s&0x0100)!=0)
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#define FD_DMA(s) ((s&0x0100)!=0)
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#define FD_Short(s) ((s&0x0080)!=0)
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#define FD_Short(s) ((s&0x0080)!=0)
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#define FD_NoEOF(s) ((s&0x0040)!=0)
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#define FD_NoEOF(s) ((s&0x0040)!=0)
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