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2000-11-03 Chris Johns <ccj@acm.org>

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* network/README.cs8900, network/cs8900.c, network/cs8900.h: New files.
	* network/Makefile.am: Modified to reflect above.
This commit is contained in:
Joel Sherrill
2000-11-03 15:19:05 +00:00
parent 6870384942
commit 1f14ff427a
5 changed files with 792 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
c/src/libchip/ChangeLog
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@@ -1,3 +1,7 @@
2000-11-03 Chris Johns <ccj@acm.org>
* network/README.cs8900, network/cs8900.c, network/cs8900.h: New files.
2000-11-02 Ralf Corsepius <corsepiu@faw.uni-ulm.de> 2000-11-02 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* Makefile.am: Switch to ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal. * Makefile.am: Switch to ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal.

8
c/src/libchip/network/Makefile.am
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@@ -7,10 +7,11 @@ AUTOMAKE_OPTIONS = foreign 1.4
LIBNAME = libnetchip LIBNAME = libnetchip
LIB = $(ARCH)/$(LIBNAME).a LIB = $(ARCH)/$(LIBNAME).a
# add cs8900.c to work with it and make it compile
C_FILES = dec21140.c sonic.c C_FILES = dec21140.c sonic.c
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
H_FILES = sonic.h H_FILES = cs8900.h sonic.h
OBJS = $(C_O_FILES) OBJS = $(C_O_FILES)
@@ -38,7 +39,7 @@ $(PROJECT_RELEASE)/lib/$(LIBNAME)$(LIB_VARIANT).a: $(LIB)
if HAS_NETWORKING if HAS_NETWORKING
PREINSTALL_FILES += $(PROJECT_INCLUDE)/libchip \ PREINSTALL_FILES += $(PROJECT_INCLUDE)/libchip \
$(PROJECT_INCLUDE)/libchip/sonic.h $(PROJECT_INCLUDE)/libchip/cs8900.h $(PROJECT_INCLUDE)/libchip/sonic.h
endif endif
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/$(LIBNAME)$(LIB_VARIANT).a TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/$(LIBNAME)$(LIB_VARIANT).a
@@ -49,6 +50,7 @@ endif
.PRECIOUS: $(LIB) .PRECIOUS: $(LIB)
EXTRA_DIST = README README.dec21140 README.sonic dec21140.c sonic.c sonic.h EXTRA_DIST = README README.cs8900 README.dec21140 README.sonic \
cs8900.c cs8900.h dec21140.c sonic.c sonic.h
include $(top_srcdir)/../../../automake/local.am include $(top_srcdir)/../../../automake/local.am

37
c/src/libchip/network/README.cs8900 Normal file
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@@ -0,0 +1,37 @@
#
# $Id$
#
Conditionals
============
CS8900_DATA_BUS_SWAPPED - XXX
CS8900_TRACE - XXX
CS8900_VERBOSE - XXX
Todo
====
+ Build two versions -- one with swapped, one without.
+ Document conditionals.
+ Document each of the user supplied functions.
+ PC386 BSP wrapper for this.
Configuration
=============
The BSP provides these routines:
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);

298
c/src/libchip/network/cs8900.c Normal file
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@@ -0,0 +1,298 @@
/*
------------------------------------------------------------------------
$Id$
------------------------------------------------------------------------
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).
Copyright assigned to U.S. Government, 1994.
The license and distribution terms for this file may be
found in the file LICENSE in this distribution or at
http://www.OARcorp.com/rtems/license.html.
------------------------------------------------------------------------
CS8900 net boot driver.
*/
#include <bspIo.h>
#include <rtems.h>
#include <libchip/cs8900.h>
/*
* Our local data.
*/
#ifdef CS8900_VERBOSE
static BOOLEAN cs8900_io_verbose;
#endif
static rtems_isr_void_entry old_handler[CS8900_DEVICES];
static void *old_parameter[CS8900_DEVICES];
/*
* Tables of IO addresses and interrupt levels for each device attached.
*/
static const unsigned long ethernet_io_base[CS8900_DEVICES] =
{
ETHERNET_BASE
};
static const unsigned long ethernet_mem_base[CS8900_DEVICES] =
{
ETHERNET_BASE + CS8900_MEMORY_BASE
};
static const unsigned int ethernet_irq_level[CS8900_DEVICES] =
{
ETHERNET_IRQ_LEVEL
};
static const unsigned int ethernet_irq_priority[CS8900_DEVICES] =
{
ETHERNET_IRQ_PRIORITY
};
static const unsigned int ethernet_irq_vector[CS8900_DEVICES] =
{
ETHERNET_IRQ_VECTOR,
};
void cs8900_io_set_reg (int dev, unsigned short reg, unsigned short data)
{
#ifdef CS8900_DATA_BUS_SWAPPED
data = (data >> 8) | (data << 8);
#endif
#ifdef CS8900_VERBOSE
if (cs8900_io_verbose)
printf ("CS8900: io set reg=0x%04x, data=0x%04x\n", reg, data);
#endif
WRITE_REGISTER_16 (ethernet_io_base[dev] + reg, data);
}
unsigned short cs8900_io_get_reg (int dev, unsigned short reg)
{
unsigned long data;
READ_REGISTER_16 (ethernet_io_base[dev] + reg, data);
#ifdef CS8900_DATA_BUS_SWAPPED
data = (data >> 8) | (data << 8);
#endif
#ifdef CS8900_VERBOSE
if (cs8900_io_verbose)
printk ("CS8900: io get reg=0x%04x, data=0x%04x\n", reg, data);
#endif
return data;
}
void cs8900_mem_set_reg (int dev, unsigned long reg, unsigned short data)
{
#ifdef CS8900_DATA_BUS_SWAPPED
data = (data >> 8) | (data << 8);
#endif
#ifdef CS8900_VERBOSE
if (cs8900_io_verbose)
printk ("CS8900: mem set reg=0x%04x, data=0x%04x\n", reg, data);
#endif
WRITE_REGISTER_16 (ethernet_io_base[dev] + reg, data);
}
unsigned short cs8900_mem_get_reg (int dev, unsigned long reg)
{
unsigned short data;
READ_REGISTER_16 (ethernet_io_base[dev] + reg, data);
#ifdef CS8900_DATA_BUS_SWAPPED
data = (data >> 8) | (data << 8);
#endif
#ifdef CS8900_VERBOSE
if (cs8900_io_verbose)
printk ("CS8900: mem get reg=0x%04x, data=0x%04x\n", reg, data);
#endif
return data;
}
void cs8900_put_data_block (int dev, int len, unsigned char *data)
{
#ifndef CS8900_DATA_BUS_SWAPPED
unsigned short swap_word;
#endif
unsigned short *src = (unsigned short *) ((unsigned long) data);
unsigned short *dst = (unsigned short *) (ethernet_mem_base[dev] + CS8900_PP_TxFrameLoc);
while (len > 1)
{
#ifndef CS8900_DATA_BUS_SWAPPED
swap_word = *src++;
*dst++ = (swap_word >> 8) | (swap_word << 8);
#else
*dst++ = *src++;
#endif
len -= 2;
}
if (len)
{
#ifndef CS8900_DATA_BUS_SWAPPED
swap_word = *src++;
*dst++ = (swap_word >> 8) | (swap_word << 8);
#else
*dst++ = *src++;
#endif
}
}
unsigned short cs8900_get_data_block (int dev, unsigned char *data)
{
unsigned short swap_word;
volatile unsigned short *src = (unsigned short *) (ethernet_mem_base[dev] + CS8900_PP_RxLength);
unsigned short *dst;
unsigned short len;
unsigned short rx_len;
unsigned short len_odd;
#ifdef CS8900_DATA_BUS_SWAPPED
swap_word = *src++;
len = (swap_word >> 8) | (swap_word << 8);
#else
len = *src++;
#endif
dst = (unsigned short *) ((unsigned long) data);
len_odd = len & 1;
rx_len = len & ~1;
for (; rx_len; rx_len -= 2)
{
#ifndef CS8900_DATA_BUS_SWAPPED
swap_word = *src++;
*dst++ = (swap_word >> 8) | (swap_word << 8);
#else
*dst++ = *src++;
#endif
}
if (len_odd)
{
#ifndef CS8900_DATA_BUS_SWAPPED
swap_word = *src++;
*dst++ = (swap_word >> 8) | (swap_word << 8);
#else
*dst++ = *src++;
#endif
}
return len;
}
void
cs8900_tx_load (int dev, struct mbuf *m)
{
volatile unsigned short *dst = (unsigned short *) (ethernet_mem_base[dev] + CS8900_PP_TxFrameLoc);
unsigned int len;
unsigned char *src;
int remainder = 0;
unsigned char remainder_data = '\0';
while (m)
{
/*
* We can get empty mbufs from the stack.
*/
len = m->m_len;
src = mtod (m, unsigned char*);
if (len)
{
if (remainder)
{
#ifndef CS8900_DATA_BUS_SWAPPED
*dst++ = remainder_data | (*src++ << 8);
#else
*dst++ = *src++ | (remainder_data << 8);
#endif
len--;
remainder = 0;
}
if (len & 1)
{
remainder = 1;
len--;
}
for (; len; len -= 2)
#ifndef CS8900_DATA_BUS_SWAPPED
*dst++ = (*src++) | (*(++src) << 8);
#else
*dst++ = (*src++ << 8) | *(++src);
#endif
if (remainder)
remainder_data = *src++;
}
m = m->m_next;
}
if (remainder)
{
#ifndef CS8900_DATA_BUS_SWAPPED
*dst = (unsigned short) remainder_data;
#else
*dst = (unsigned short) (remainder_data << 8);
#endif
}
}
void cs8900_attach_interrupt (int dev, cs8900_device *cs)
{
rtems_interrupt_catch_with_void (cs8900_interrupt,
ethernet_irq_vector[dev],
&old_handler[dev],
cs,
&old_parameter[dev]);
CF_SIM_WRITE_ICR (CF_BASE,
ethernet_irq_level[dev],
CF_SIM_ICR_AVEC_AUTO,
ethernet_irq_level[dev],
ethernet_irq_priority[dev]);
CF_SIM_IMR_ENABLE (CF_BASE, 1 << ethernet_irq_level[dev]);
}
void cs8900_detach_interrupt (int dev)
{
CF_SIM_IMR_DISABLE (CF_BASE, 1 << ethernet_irq_level[dev]);
rtems_interrupt_catch_with_void (old_handler,
ethernet_irq_vector[dev],
NULL,
old_parameter[dev],
NULL);
}
void cs8900_get_mac_addr (int dev, unsigned char *mac_address)
{
memcpy (mac_address, rct_get_mac_address (dev), 6);
}

448
c/src/libchip/network/cs8900.h Normal file
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@@ -0,0 +1,448 @@
/*
------------------------------------------------------------------------
$Id$
------------------------------------------------------------------------
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).
Copyright assigned to U.S. Government, 1994.
The license and distribution terms for this file may be
found in the file LICENSE in this distribution or at
http://www.OARcorp.com/rtems/license.html.
------------------------------------------------------------------------
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>
#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