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path: root/drivers/net/ne2000.c
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Diffstat (limited to 'drivers/net/ne2000.c')
-rw-r--r--drivers/net/ne2000.c94
1 files changed, 91 insertions, 3 deletions
diff --git a/drivers/net/ne2000.c b/drivers/net/ne2000.c
index d09da78..2da57b6 100644
--- a/drivers/net/ne2000.c
+++ b/drivers/net/ne2000.c
@@ -126,6 +126,9 @@ dp83902a_init(void)
{
dp83902a_priv_data_t *dp = &nic;
u8* base;
+#if defined(NE2000_BASIC_INIT)
+ int i;
+#endif
DEBUG_FUNCTION();
@@ -755,8 +758,6 @@ static hw_info_t hw_info[] = {
#define NR_INFO (sizeof(hw_info)/sizeof(hw_info_t))
-static hw_info_t default_info = { 0, 0, 0, 0, 0 };
-
u8 dev_addr[6];
#define PCNET_CMD 0x00
@@ -764,6 +765,93 @@ u8 dev_addr[6];
#define PCNET_RESET 0x1f /* Issue a read to reset, a write to clear. */
#define PCNET_MISC 0x18 /* For IBM CCAE and Socket EA cards */
+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) __attribute__ ((weak, alias ("__get_prom")));
+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 0;
+}
+
u32 nic_base;
/* U-boot specific routines */
@@ -790,7 +878,7 @@ void uboot_push_tx_done(int key, int val) {
}
int eth_init(bd_t *bd) {
- static hw_info_t * r;
+ int r;
char ethaddr[20];
PRINTK("### eth_init\n");