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15     This software may be used and distributed according to the terms of
38 I have benchmarked the driver with a DE100 at 595kB/s to (542kB/s from)
67 Peter Bauer's depca.c (V0.5) was referred to when debugging V0.1 of this
71 be enabled to count and has an 8 bit NICSR. The ROM counter enabling is
72 only done when a 0x08 is read as the first address octet (to minimise
74 NICSR accesses have been changed to byte accesses for all the cards
77 only 48kB network RAM for this card. My thanks to Torbjorn Lindh for
78 help debugging all this (and holding my feet to the fire until I got it
96 shared memory to ensure that each slot has the correct IRQ, I/O address
105 I/O and memory addresses on the same card. I can't think of a way to do
106 this unambiguously at the moment, since there is nothing on the cards to
109 I am unable to test 2 cards together for now, so this code is
123 The ability to load this driver as a loadable module has been added. To
124 utilise this ability, you have to do <8 things:
127 1) copy depca.c from the /linux/drivers/net directory to your favourite
129 2) if you wish, edit the source code near line 1530 to reflect the I/O
131 3) compile depca.c, but include -DMODULE in the command line to ensure
133 4) if you are wanting to add a new card, goto 5. Otherwise, recompile a
136 [Alan Cox: Changed the code to allow command line irq/io assignments]
137 [Dave Davies: Changed the code to allow command line mem/name
146 To unload a module, turn off the associated interface
149 To assign a base memory address for the shared memory when running as a
150 loadable module, see 5 above. To include the adapter name (if you have
154 The shared memory assignment for a loadable module makes sense to avoid
160 Verified to work with up to 2 DE212 cards in a system (although not
168 You still have to pass the IO address it was configured as
172 TO DO:
218 0.43 16-Aug-96 Update alloc_device() to conform to de4x5.c
219 0.44 1-Sep-97 Fix *_probe() to test check_region() first - bug
260 #define TO 0x0100 /* Time Out for remote boot */
335 #define T_ADD_FCS 0x2000 /* More the 1 retry needed to Xmit */
336 #define T_MORE 0x1000 /* >1 retry to transmit packet */
337 #define T_ONE 0x0800 /* 1 try needed to transmit the packet */
361 ** here is <= to the amount of shared memory set up by the board switches.
402 ** Memory Alignment. Each descriptor is 4 longwords long. To force a
434 to LANCE memory address space */
509 outw(CSR0, DEPCA_ADDR); /* Point back to CSR0 */
516 /* Copy the shadow init_block to shared memory */
518 outw(CSR0, DEPCA_ADDR); /* point back to CSR0 */
554 /* Tx & Rx descriptors (aligned to a quadword boundary) */
615 /* send the packet to destination */
652 ** its ROM address counter to be initialized and enabled. Only enable
730 PROBE - Look for an adapter, this routine's visible to the outside
746 /* point to NIC specific routines */