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added interface structure to make the MCD DMA available to MiNT (DMAC cookie). MinT's FEC driver works somewhat, but not reliable yet.

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This commit is contained in:
Markus Fröschle
2014-01-01 21:28:17 +00:00
parent 4d37bfcf42
commit dcf0797f11
15 changed files with 589 additions and 625 deletions
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26
net/nbuf.c
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@@ -10,6 +10,14 @@
#include "exceptions.h"
#include "bas_types.h"
#include "bas_printf.h"
#define DBG_NBUF
#if defined(DBG_NBUF)
#define dbg(format, arg...) do { xprintf("DEBUG: " format, ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif /* DBG_NBUF */
/*
* Queues used for network buffer storage
*/
@@ -40,9 +48,7 @@ int nbuf_init(void)
queue_init(&nbuf_queue[i]);
}
#ifdef DEBUG_PRINT
printf("Creating %d net buffers of %d bytes\r\n",NBUF_MAX,NBUF_SZ);
#endif
dbg("Creating %d net buffers of %d bytes\r\n", NBUF_MAX, NBUF_SZ);
for (i = 0; i < NBUF_MAX; ++i)
{
@@ -70,7 +76,7 @@ int nbuf_init(void)
queue_add(&nbuf_queue[NBUF_FREE], (QNODE *)nbuf);
}
xprintf("NBUF allocation complete\r\n");
dbg("NBUF allocation complete\r\n");
return 0;
}
@@ -184,7 +190,7 @@ void nbuf_reset(void)
*/
void nbuf_debug_dump(void)
{
#ifdef DEBUG
#ifdef DBG_NBUF
NBUF *nbuf;
int i, j, level;
@@ -192,14 +198,14 @@ void nbuf_debug_dump(void)
for (i = 0; i < NBUF_MAXQ; ++i)
{
printf("\n\nQueue #%d\n\n",i);
printf("\tBuffer Location\tOffset\tLength\n");
printf("--------------------------------------\n");
dbg("\n\nQueue #%d\n\n", i);
dbg("\tBuffer Location\tOffset\tLength\n");
dbg("--------------------------------------\n");
j = 0;
nbuf = (NBUF *)queue_peek(&nbuf_queue[i]);
while (nbuf != NULL)
{
printf("%d\t 0x%08x\t0x%04x\t0x%04x\n",j++,nbuf->data,
dbg("%d\t 0x%08x\t0x%04x\t0x%04x\n",j++,nbuf->data,
nbuf->offset,
nbuf->length);
nbuf = (NBUF *)nbuf->node.next;
@@ -207,5 +213,5 @@ void nbuf_debug_dump(void)
}
set_ipl(level);
#endif
#endif DBG_NBUF
}