/*
-Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>
+Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>
Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
are GPL, so this is, of course, GPL.
-
==========================================================================
- dev/dp83902a.h
+ dev/dp83902a.h
- National Semiconductor DP83902a ethernet chip
+ National Semiconductor DP83902a ethernet chip
==========================================================================
####ECOSGPLCOPYRIGHTBEGIN####
==========================================================================
#####DESCRIPTIONBEGIN####
- Author(s): gthomas
- Contributors: gthomas, jskov
- Date: 2001-06-13
+ Author(s): gthomas
+ Contributors: gthomas, jskov
+ Date: 2001-06-13
Purpose:
Description:
####DESCRIPTIONEND####
==========================================================================
-
*/
/*
/* Enable NE2000 basic init function */
#define NE2000_BASIC_INIT
-#define DP_DATA 0x10
-#define START_PG 0x50 /* First page of TX buffer */
-#define STOP_PG 0x80 /* Last page +1 of RX ring */
-
-#define RX_START 0x50
-#define RX_END 0x80
-
-#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_char *) ((_b_)+(_o_)))
-#define DP_OUT(_b_, _o_, _d_) *( (vu_char *) ((_b_)+(_o_))) = (_d_)
-#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_char *) ((_b_)))
-#define DP_OUT_DATA(_b_, _d_) *( (vu_char *) ((_b_))) = (_d_)
-
-static void pcnet_reset_8390(void)
-{
- int i, r;
-
- PRINTK("nic base is %lx\n", nic_base);
-
- 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));
- n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
-
- n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET);
-
- for (i = 0; i < 100; i++) {
- if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0)
- break;
- PRINTK("got %x in reset\n", r);
- udelay(100);
- }
- n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */
-
- if (i == 100)
- printf("pcnet_reset_8390() did not complete.\n");
-} /* pcnet_reset_8390 */
-
-int get_prom(u8* mac_addr)
-{
- u8 prom[32];
- int i, j;
- struct {
- u_char value, offset;
- } program_seq[] = {
- {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
- {0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */
- {0x00, EN0_RCNTLO}, /* Clear the count regs. */
- {0x00, EN0_RCNTHI},
- {0x00, EN0_IMR}, /* Mask completion irq. */
- {0xFF, EN0_ISR},
- {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
- {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
- {32, EN0_RCNTLO},
- {0x00, EN0_RCNTHI},
- {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
- {0x00, EN0_RSARHI},
- {E8390_RREAD+E8390_START, E8390_CMD},
- };
-
- PRINTK("trying to get MAC via prom reading\n");
-
- pcnet_reset_8390();
-
- mdelay(10);
-
- for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++)
- n2k_outb(program_seq[i].value, program_seq[i].offset);
-
- PRINTK("PROM:");
- for (i = 0; i < 32; i++) {
- prom[i] = n2k_inb(PCNET_DATAPORT);
- PRINTK(" %02x", prom[i]);
- }
- PRINTK("\n");
- for (i = 0; i < NR_INFO; i++) {
- if ((prom[0] == hw_info[i].a0) &&
- (prom[2] == hw_info[i].a1) &&
- (prom[4] == hw_info[i].a2)) {
- PRINTK("matched board %d\n", i);
- break;
- }
- }
- if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) {
- PRINTK("on exit i is %d/%ld\n", i, NR_INFO);
- PRINTK("MAC address is ");
- for (j = 0; j < 6; j++){
- mac_addr[j] = prom[j<<1];
- PRINTK("%02x:",mac_addr[i]);
- }
- PRINTK("\n");
- return (i < NR_INFO) ? i : 0;
- }
- return NULL;
-}
+#define DP_DATA 0x10
+#define START_PG 0x50 /* First page of TX buffer */
+#define START_PG2 0x48
+#define STOP_PG 0x80 /* Last page +1 of RX ring */
+#define RX_START 0x50
+#define RX_END 0x80
+#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_char *) ((_b_)+(_o_)))
+#define DP_OUT(_b_, _o_, _d_) *( (vu_char *) ((_b_)+(_o_))) = (_d_)
+#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_char *) ((_b_)))
+#define DP_OUT_DATA(_b_, _d_) *( (vu_char *) ((_b_))) = (_d_)
#endif /* __DRIVERS_NE2000_H__ */