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-rw-r--r--drivers/ne2000.c57
1 files changed, 17 insertions, 40 deletions
diff --git a/drivers/ne2000.c b/drivers/ne2000.c
index b7ed876165..c978d62ef3 100644
--- a/drivers/ne2000.c
+++ b/drivers/ne2000.c
@@ -723,7 +723,8 @@ static hw_info_t hw_info[] = {
{ /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 },
{ /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 },
{ /* NEC PC-9801N-J12 */ 0x0ff0, 0x00, 0x00, 0x4c, 0 },
- { /* PCMCIA Technology OEM */ 0x01c8, 0x00, 0xa0, 0x0c, 0 }
+ { /* PCMCIA Technology OEM */ 0x01c8, 0x00, 0xa0, 0x0c, 0 },
+ { /* Qemu */ 0x0, 0x52, 0x54, 0x00, 0 }
};
#define NR_INFO (sizeof(hw_info)/sizeof(hw_info_t))
@@ -745,17 +746,15 @@ static void pcnet_reset_8390(void)
PRINTK("nic base is %lx\n", nic_base);
-#if 1
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD);
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
-#endif
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
- n2k_outb(n2k_inb(nic_base + PCNET_RESET), PCNET_RESET);
+ n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET);
for (i = 0; i < 100; i++) {
if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0)
@@ -826,27 +825,22 @@ static hw_info_t * get_prom(void ) {
/* U-boot specific routines */
-#define NB 5
static unsigned char *pbuf = NULL;
-static int plen[NB];
-static int nrx = 0;
static int pkey = -1;
+static int initialized=0;
void uboot_push_packet_len(int len) {
- PRINTK("pushed len = %d, nrx = %d\n", len, nrx);
+ PRINTK("pushed len = %d\n", len);
if (len>=2000) {
printf("NE2000: packet too big\n");
return;
}
- if (nrx >= NB) {
- printf("losing packets in rx\n");
- return;
- }
- plen[nrx] = len;
- dp83902a_recv(&pbuf[nrx*2000], len);
- nrx++;
+ dp83902a_recv(&pbuf[0], len);
+
+ /*Just pass it to the upper layer*/
+ NetReceive(&pbuf[0], len);
}
void uboot_push_tx_done(int key, int val) {
@@ -861,9 +855,9 @@ int eth_init(bd_t *bd) {
PRINTK("### eth_init\n");
if (!pbuf) {
- pbuf = malloc(NB*2000);
+ pbuf = malloc(2000);
if (!pbuf) {
- printf("Cannot allocate rx buffers\n");
+ printf("Cannot allocate rx buffer\n");
return -1;
}
}
@@ -903,37 +897,21 @@ int eth_init(bd_t *bd) {
if (dp83902a_init() == false)
return -1;
dp83902a_start(dev_addr);
+ initialized=1;
return 0;
}
void eth_halt() {
PRINTK("### eth_halt\n");
-
- dp83902a_stop();
+ if(initialized)
+ dp83902a_stop();
+ initialized=0;
}
int eth_rx() {
- int j, tmo;
-
- PRINTK("### eth_rx\n");
-
- tmo = get_timer (0) + TOUT * CFG_HZ;
- while(1) {
- dp83902a_poll();
- if (nrx > 0) {
- for(j=0; j<nrx; j++) {
- NetReceive(&pbuf[j*2000], plen[j]);
- }
- nrx = 0;
- return 1;
- }
- if (get_timer (0) >= tmo) {
- printf("timeout during rx\n");
- return 0;
- }
- }
- return 0;
+dp83902a_poll();
+return 1;
}
int eth_send(volatile void *packet, int length) {
@@ -959,5 +937,4 @@ int eth_send(volatile void *packet, int length) {
}
return 0;
}
-
#endif
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