#include <common.h>
#include <command.h>
-#include <net.h>
-#include <malloc.h>
-
-#define mdelay(n) udelay((n)*1000)
-/* forward definition of function used for the uboot interface */
-void uboot_push_packet_len(int len);
-void uboot_push_tx_done(int key, int val);
-
-/*
- * Debugging details
- *
- * Set to perms of:
- * 0 disables all debug output
- * 1 for process debug output
- * 2 for added data IO output: get_reg, put_reg
- * 4 for packet allocation/free output
- * 8 for only startup status, so we can tell we're installed OK
- */
-#if 0
-#define DEBUG 0xf
-#else
-#define DEBUG 0
-#endif
-
-#if DEBUG & 1
-#define DEBUG_FUNCTION() do { printf("%s\n", __FUNCTION__); } while (0)
-#define DEBUG_LINE() do { printf("%d\n", __LINE__); } while (0)
-#define PRINTK(args...) printf(args)
-#else
-#define DEBUG_FUNCTION() do {} while(0)
-#define DEBUG_LINE() do {} while(0)
-#define PRINTK(args...)
-#endif
+#include <linux/delay.h>
/* NE2000 base header file */
#include "ne2000_base.h"
-#if defined(CONFIG_DRIVER_AX88796L)
-/* AX88796L support */
-#include "ax88796.h"
-#else
-/* Basic NE2000 chip support */
-#include "ne2000.h"
-#endif
-
-static dp83902a_priv_data_t nic; /* just one instance of the card supported */
-
-static bool
-dp83902a_init(void)
-{
- dp83902a_priv_data_t *dp = &nic;
- u8* base;
-#if defined(NE2000_BASIC_INIT)
- int i;
-#endif
-
- DEBUG_FUNCTION();
-
- base = dp->base;
- if (!base)
- return false; /* No device found */
-
- DEBUG_LINE();
-
-#if defined(NE2000_BASIC_INIT)
- /* AX88796L doesn't need */
- /* Prepare ESA */
- DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1); /* Select page 1 */
- /* Use the address from the serial EEPROM */
- for (i = 0; i < 6; i++)
- DP_IN(base, DP_P1_PAR0+i, dp->esa[i]);
- DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0); /* Select page 0 */
-
- printf("NE2000 - %s ESA: %02x:%02x:%02x:%02x:%02x:%02x\n",
- "eeprom",
- dp->esa[0],
- dp->esa[1],
- dp->esa[2],
- dp->esa[3],
- dp->esa[4],
- dp->esa[5] );
-
-#endif /* NE2000_BASIC_INIT */
- return true;
-}
-
-static void
-dp83902a_stop(void)
-{
- dp83902a_priv_data_t *dp = &nic;
- u8 *base = dp->base;
-
- DEBUG_FUNCTION();
-
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_STOP); /* Brutal */
- DP_OUT(base, DP_ISR, 0xFF); /* Clear any pending interrupts */
- DP_OUT(base, DP_IMR, 0x00); /* Disable all interrupts */
-
- dp->running = false;
-}
-
-/*
- * This function is called to "start up" the interface. It may be called
- * multiple times, even when the hardware is already running. It will be
- * called whenever something "hardware oriented" changes and should leave
- * the hardware ready to send/receive packets.
- */
-static void
-dp83902a_start(u8 * enaddr)
-{
- dp83902a_priv_data_t *dp = &nic;
- u8 *base = dp->base;
- int i;
-
- DEBUG_FUNCTION();
-
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_STOP); /* Brutal */
- DP_OUT(base, DP_DCR, DP_DCR_INIT);
- DP_OUT(base, DP_RBCH, 0); /* Remote byte count */
- DP_OUT(base, DP_RBCL, 0);
- DP_OUT(base, DP_RCR, DP_RCR_MON); /* Accept no packets */
- DP_OUT(base, DP_TCR, DP_TCR_LOCAL); /* Transmitter [virtually] off */
- DP_OUT(base, DP_TPSR, dp->tx_buf1); /* Transmitter start page */
- dp->tx1 = dp->tx2 = 0;
- dp->tx_next = dp->tx_buf1;
- dp->tx_started = false;
- dp->running = true;
- DP_OUT(base, DP_PSTART, dp->rx_buf_start); /* Receive ring start page */
- DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1); /* Receive ring boundary */
- DP_OUT(base, DP_PSTOP, dp->rx_buf_end); /* Receive ring end page */
- dp->rx_next = dp->rx_buf_start - 1;
- dp->running = true;
- DP_OUT(base, DP_ISR, 0xFF); /* Clear any pending interrupts */
- DP_OUT(base, DP_IMR, DP_IMR_All); /* Enable all interrupts */
- DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1 | DP_CR_STOP); /* Select page 1 */
- DP_OUT(base, DP_P1_CURP, dp->rx_buf_start); /* Current page - next free page for Rx */
- dp->running = true;
- for (i = 0; i < ETHER_ADDR_LEN; i++) {
- /* FIXME */
- /*((vu_short*)( base + ((DP_P1_PAR0 + i) * 2) +
- * 0x1400)) = enaddr[i];*/
- DP_OUT(base, DP_P1_PAR0+i, enaddr[i]);
- }
- /* Enable and start device */
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START);
- DP_OUT(base, DP_TCR, DP_TCR_NORMAL); /* Normal transmit operations */
- DP_OUT(base, DP_RCR, DP_RCR_AB); /* Accept broadcast, no errors, no multicast */
- dp->running = true;
-}
-
-/*
- * This routine is called to start the transmitter. It is split out from the
- * data handling routine so it may be called either when data becomes first
- * available or when an Tx interrupt occurs
- */
-
-static void
-dp83902a_start_xmit(int start_page, int len)
-{
- dp83902a_priv_data_t *dp = (dp83902a_priv_data_t *) &nic;
- u8 *base = dp->base;
-
- DEBUG_FUNCTION();
-
-#if DEBUG & 1
- printf("Tx pkt %d len %d\n", start_page, len);
- if (dp->tx_started)
- printf("TX already started?!?\n");
-#endif
-
- DP_OUT(base, DP_ISR, (DP_ISR_TxP | DP_ISR_TxE));
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START);
- DP_OUT(base, DP_TBCL, len & 0xFF);
- DP_OUT(base, DP_TBCH, len >> 8);
- DP_OUT(base, DP_TPSR, start_page);
- DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_TXPKT | DP_CR_START);
-
- dp->tx_started = true;
-}
-
-/*
- * This routine is called to send data to the hardware. It is known a-priori
- * that there is free buffer space (dp->tx_next).
- */
-static void
-dp83902a_send(u8 *data, int total_len, u32 key)
-{
- struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
- u8 *base = dp->base;
- int len, start_page, pkt_len, i, isr;
-#if DEBUG & 4
- int dx;
-#endif
-
- DEBUG_FUNCTION();
-
- len = pkt_len = total_len;
- if (pkt_len < IEEE_8023_MIN_FRAME)
- pkt_len = IEEE_8023_MIN_FRAME;
-
- start_page = dp->tx_next;
- if (dp->tx_next == dp->tx_buf1) {
- dp->tx1 = start_page;
- dp->tx1_len = pkt_len;
- dp->tx1_key = key;
- dp->tx_next = dp->tx_buf2;
- } else {
- dp->tx2 = start_page;
- dp->tx2_len = pkt_len;
- dp->tx2_key = key;
- dp->tx_next = dp->tx_buf1;
- }
-
-#if DEBUG & 5
- printf("TX prep page %d len %d\n", start_page, pkt_len);
-#endif
-
- DP_OUT(base, DP_ISR, DP_ISR_RDC); /* Clear end of DMA */
- {
- /*
- * Dummy read. The manual sez something slightly different,
- * but the code is extended a bit to do what Hitachi's monitor
- * does (i.e., also read data).
- */
-
- u16 tmp;
- int len = 1;
-
- DP_OUT(base, DP_RSAL, 0x100 - len);
- DP_OUT(base, DP_RSAH, (start_page - 1) & 0xff);
- DP_OUT(base, DP_RBCL, len);
- DP_OUT(base, DP_RBCH, 0);
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_RDMA | DP_CR_START);
- DP_IN_DATA(dp->data, tmp);
- }
-
-#ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA
- /*
- * Stall for a bit before continuing to work around random data
- * corruption problems on some platforms.
- */
- CYGACC_CALL_IF_DELAY_US(1);
-#endif
-
- /* Send data to device buffer(s) */
- DP_OUT(base, DP_RSAL, 0);
- DP_OUT(base, DP_RSAH, start_page);
- DP_OUT(base, DP_RBCL, pkt_len & 0xFF);
- DP_OUT(base, DP_RBCH, pkt_len >> 8);
- DP_OUT(base, DP_CR, DP_CR_WDMA | DP_CR_START);
-
- /* Put data into buffer */
-#if DEBUG & 4
- printf(" sg buf %08lx len %08x\n ", (u32)data, len);
- dx = 0;
-#endif
- while (len > 0) {
-#if DEBUG & 4
- printf(" %02x", *data);
- if (0 == (++dx % 16)) printf("\n ");
-#endif
-
- DP_OUT_DATA(dp->data, *data++);
- len--;
- }
-#if DEBUG & 4
- printf("\n");
-#endif
- if (total_len < pkt_len) {
-#if DEBUG & 4
- printf(" + %d bytes of padding\n", pkt_len - total_len);
-#endif
- /* Padding to 802.3 length was required */
- for (i = total_len; i < pkt_len;) {
- i++;
- DP_OUT_DATA(dp->data, 0);
- }
- }
-
-#ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA
- /*
- * After last data write, delay for a bit before accessing the
- * device again, or we may get random data corruption in the last
- * datum (on some platforms).
- */
- CYGACC_CALL_IF_DELAY_US(1);
-#endif
-
- /* Wait for DMA to complete */
- do {
- DP_IN(base, DP_ISR, isr);
- } while ((isr & DP_ISR_RDC) == 0);
-
- /* Then disable DMA */
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START);
-
- /* Start transmit if not already going */
- if (!dp->tx_started) {
- if (start_page == dp->tx1) {
- dp->tx_int = 1; /* Expecting interrupt from BUF1 */
- } else {
- dp->tx_int = 2; /* Expecting interrupt from BUF2 */
- }
- dp83902a_start_xmit(start_page, pkt_len);
- }
-}
-
-/*
- * This function is called when a packet has been received. It's job is
- * to prepare to unload the packet from the hardware. Once the length of
- * the packet is known, the upper layer of the driver can be told. When
- * the upper layer is ready to unload the packet, the internal function
- * 'dp83902a_recv' will be called to actually fetch it from the hardware.
- */
-static void
-dp83902a_RxEvent(void)
-{
- struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
- u8 *base = dp->base;
- u8 rsr;
- u8 rcv_hdr[4];
- int i, len, pkt, cur;
-
- DEBUG_FUNCTION();
-
- DP_IN(base, DP_RSR, rsr);
- while (true) {
- /* Read incoming packet header */
- DP_OUT(base, DP_CR, DP_CR_PAGE1 | DP_CR_NODMA | DP_CR_START);
- DP_IN(base, DP_P1_CURP, cur);
- DP_OUT(base, DP_P1_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START);
- DP_IN(base, DP_BNDRY, pkt);
-
- pkt += 1;
- if (pkt == dp->rx_buf_end)
- pkt = dp->rx_buf_start;
-
- if (pkt == cur) {
- break;
- }
- DP_OUT(base, DP_RBCL, sizeof(rcv_hdr));
- DP_OUT(base, DP_RBCH, 0);
- DP_OUT(base, DP_RSAL, 0);
- DP_OUT(base, DP_RSAH, pkt);
- if (dp->rx_next == pkt) {
- if (cur == dp->rx_buf_start)
- DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
- else
- DP_OUT(base, DP_BNDRY, cur - 1); /* Update pointer */
- return;
- }
- dp->rx_next = pkt;
- DP_OUT(base, DP_ISR, DP_ISR_RDC); /* Clear end of DMA */
- DP_OUT(base, DP_CR, DP_CR_RDMA | DP_CR_START);
-#ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_RX_DMA
- CYGACC_CALL_IF_DELAY_US(10);
-#endif
-
- /* read header (get data size)*/
- for (i = 0; i < sizeof(rcv_hdr);) {
- DP_IN_DATA(dp->data, rcv_hdr[i++]);
- }
-
-#if DEBUG & 5
- printf("rx hdr %02x %02x %02x %02x\n",
- rcv_hdr[0], rcv_hdr[1], rcv_hdr[2], rcv_hdr[3]);
-#endif
- len = ((rcv_hdr[3] << 8) | rcv_hdr[2]) - sizeof(rcv_hdr);
-
- /* data read */
- uboot_push_packet_len(len);
-
- if (rcv_hdr[1] == dp->rx_buf_start)
- DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
- else
- DP_OUT(base, DP_BNDRY, rcv_hdr[1] - 1); /* Update pointer */
- }
-}
-
-/*
- * This function is called as a result of the "eth_drv_recv()" call above.
- * It's job is to actually fetch data for a packet from the hardware once
- * memory buffers have been allocated for the packet. Note that the buffers
- * may come in pieces, using a scatter-gather list. This allows for more
- * efficient processing in the upper layers of the stack.
- */
-static void
-dp83902a_recv(u8 *data, int len)
-{
- struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
- u8 *base = dp->base;
- int i, mlen;
- u8 saved_char = 0;
- bool saved;
-#if DEBUG & 4
- int dx;
-#endif
-
- DEBUG_FUNCTION();
-
-#if DEBUG & 5
- printf("Rx packet %d length %d\n", dp->rx_next, len);
-#endif
-
- /* Read incoming packet data */
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START);
- DP_OUT(base, DP_RBCL, len & 0xFF);
- DP_OUT(base, DP_RBCH, len >> 8);
- DP_OUT(base, DP_RSAL, 4); /* Past header */
- DP_OUT(base, DP_RSAH, dp->rx_next);
- DP_OUT(base, DP_ISR, DP_ISR_RDC); /* Clear end of DMA */
- DP_OUT(base, DP_CR, DP_CR_RDMA | DP_CR_START);
-#ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_RX_DMA
- CYGACC_CALL_IF_DELAY_US(10);
-#endif
-
- saved = false;
- for (i = 0; i < 1; i++) {
- if (data) {
- mlen = len;
-#if DEBUG & 4
- printf(" sg buf %08lx len %08x \n", (u32) data, mlen);
- dx = 0;
-#endif
- while (0 < mlen) {
- /* Saved byte from previous loop? */
- if (saved) {
- *data++ = saved_char;
- mlen--;
- saved = false;
- continue;
- }
-
- {
- u8 tmp;
- DP_IN_DATA(dp->data, tmp);
-#if DEBUG & 4
- printf(" %02x", tmp);
- if (0 == (++dx % 16)) printf("\n ");
-#endif
- *data++ = tmp;;
- mlen--;
- }
- }
-#if DEBUG & 4
- printf("\n");
-#endif
- }
- }
-}
-
-static void
-dp83902a_TxEvent(void)
-{
- struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
- u8 *base = dp->base;
- u8 tsr;
- u32 key;
-
- DEBUG_FUNCTION();
-
- DP_IN(base, DP_TSR, tsr);
- if (dp->tx_int == 1) {
- key = dp->tx1_key;
- dp->tx1 = 0;
- } else {
- key = dp->tx2_key;
- dp->tx2 = 0;
- }
- /* Start next packet if one is ready */
- dp->tx_started = false;
- if (dp->tx1) {
- dp83902a_start_xmit(dp->tx1, dp->tx1_len);
- dp->tx_int = 1;
- } else if (dp->tx2) {
- dp83902a_start_xmit(dp->tx2, dp->tx2_len);
- dp->tx_int = 2;
- } else {
- dp->tx_int = 0;
- }
- /* Tell higher level we sent this packet */
- uboot_push_tx_done(key, 0);
-}
-
-/*
- * Read the tally counters to clear them. Called in response to a CNT
- * interrupt.
- */
-static void
-dp83902a_ClearCounters(void)
-{
- struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
- u8 *base = dp->base;
- u8 cnt1, cnt2, cnt3;
-
- DP_IN(base, DP_FER, cnt1);
- DP_IN(base, DP_CER, cnt2);
- DP_IN(base, DP_MISSED, cnt3);
- DP_OUT(base, DP_ISR, DP_ISR_CNT);
-}
-
-/*
- * Deal with an overflow condition. This code follows the procedure set
- * out in section 7.0 of the datasheet.
- */
-static void
-dp83902a_Overflow(void)
-{
- struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *)&nic;
- u8 *base = dp->base;
- u8 isr;
-
- /* Issue a stop command and wait 1.6ms for it to complete. */
- DP_OUT(base, DP_CR, DP_CR_STOP | DP_CR_NODMA);
- CYGACC_CALL_IF_DELAY_US(1600);
-
- /* Clear the remote byte counter registers. */
- DP_OUT(base, DP_RBCL, 0);
- DP_OUT(base, DP_RBCH, 0);
-
- /* Enter loopback mode while we clear the buffer. */
- DP_OUT(base, DP_TCR, DP_TCR_LOCAL);
- DP_OUT(base, DP_CR, DP_CR_START | DP_CR_NODMA);
-
- /*
- * Read in as many packets as we can and acknowledge any and receive
- * interrupts. Since the buffer has overflowed, a receive event of
- * some kind will have occured.
- */
- dp83902a_RxEvent();
- DP_OUT(base, DP_ISR, DP_ISR_RxP|DP_ISR_RxE);
-
- /* Clear the overflow condition and leave loopback mode. */
- DP_OUT(base, DP_ISR, DP_ISR_OFLW);
- DP_OUT(base, DP_TCR, DP_TCR_NORMAL);
-
- /*
- * If a transmit command was issued, but no transmit event has occured,
- * restart it here.
- */
- DP_IN(base, DP_ISR, isr);
- if (dp->tx_started && !(isr & (DP_ISR_TxP|DP_ISR_TxE))) {
- DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_TXPKT | DP_CR_START);
- }
-}
-
-static void
-dp83902a_poll(void)
-{
- struct dp83902a_priv_data *dp = (struct dp83902a_priv_data *) &nic;
- u8 *base = dp->base;
- u8 isr;
-
- DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0 | DP_CR_START);
- DP_IN(base, DP_ISR, isr);
- while (0 != isr) {
- /*
- * The CNT interrupt triggers when the MSB of one of the error
- * counters is set. We don't much care about these counters, but
- * we should read their values to reset them.
- */
- if (isr & DP_ISR_CNT) {
- dp83902a_ClearCounters();
- }
- /*
- * Check for overflow. It's a special case, since there's a
- * particular procedure that must be followed to get back into
- * a running state.a
- */
- if (isr & DP_ISR_OFLW) {
- dp83902a_Overflow();
- } else {
- /*
- * Other kinds of interrupts can be acknowledged simply by
- * clearing the relevant bits of the ISR. Do that now, then
- * handle the interrupts we care about.
- */
- DP_OUT(base, DP_ISR, isr); /* Clear set bits */
- if (!dp->running) break; /* Is this necessary? */
- /*
- * Check for tx_started on TX event since these may happen
- * spuriously it seems.
- */
- if (isr & (DP_ISR_TxP|DP_ISR_TxE) && dp->tx_started) {
- dp83902a_TxEvent();
- }
- if (isr & (DP_ISR_RxP|DP_ISR_RxE)) {
- dp83902a_RxEvent();
- }
- }
- DP_IN(base, DP_ISR, isr);
- }
-}
-
/* find prom (taken from pc_net_cs.c from Linux) */
#include "8390.h"
{ /* 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 },
- { /* Qemu */ 0x0, 0x52, 0x54, 0x00, 0 }
+ { /* Qemu */ 0x0, 0x52, 0x54, 0x00, 0 },
+ { /* RTL8019AS */ 0x0, 0x0, 0x18, 0x5f, 0 }
};
#define NR_INFO (sizeof(hw_info)/sizeof(hw_info_t))
-u8 dev_addr[6];
-
#define PCNET_CMD 0x00
#define PCNET_DATAPORT 0x10 /* NatSemi-defined port window offset. */
#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)
+static void pcnet_reset_8390(u8* addr)
{
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));
+ PRINTK("cmd (at %lx) is %x\n", addr + 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));
+ PRINTK("cmd (at %lx) is %x\n", addr + 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));
+ PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD));
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET);
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)
+int get_prom(u8* mac_addr, u8* base_addr)
{
u8 prom[32];
int i, j;
PRINTK ("trying to get MAC via prom reading\n");
- pcnet_reset_8390 ();
+ pcnet_reset_8390 (base_addr);
mdelay (10);
- for (i = 0; i < sizeof (program_seq) / sizeof (program_seq[0]); i++)
+ for (i = 0; i < ARRAY_SIZE(program_seq); i++)
n2k_outb (program_seq[i].value, program_seq[i].offset);
PRINTK ("PROM:");
}
return 0;
}
-
-/* U-boot specific routines */
-static u8 *pbuf = NULL;
-
-static int pkey = -1;
-static int initialized = 0;
-
-void uboot_push_packet_len(int len) {
- PRINTK("pushed len = %d\n", len);
- if (len >= 2000) {
- printf("NE2000: packet too big\n");
- return;
- }
- 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) {
- PRINTK("pushed key = %d\n", key);
- pkey = key;
-}
-
-int eth_init(bd_t *bd) {
- int r;
- char ethaddr[20];
-
- PRINTK("### eth_init\n");
-
- if (!pbuf) {
- pbuf = malloc(2000);
- if (!pbuf) {
- printf("Cannot allocate rx buffer\n");
- return -1;
- }
- }
-
-#ifdef CONFIG_DRIVER_NE2000_CCR
- {
- vu_char *p = (vu_char *) CONFIG_DRIVER_NE2000_CCR;
-
- PRINTK("CCR before is %x\n", *p);
- *p = CONFIG_DRIVER_NE2000_VAL;
- PRINTK("CCR after is %x\n", *p);
- }
-#endif
-
- nic.base = (u8 *) CONFIG_DRIVER_NE2000_BASE;
-
- r = get_prom(dev_addr);
- if (!r)
- return -1;
-
- sprintf (ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
- dev_addr[0], dev_addr[1],
- dev_addr[2], dev_addr[3],
- dev_addr[4], dev_addr[5]) ;
- PRINTK("Set environment from HW MAC addr = \"%s\"\n", ethaddr);
- setenv ("ethaddr", ethaddr);
-
- nic.data = nic.base + DP_DATA;
- nic.tx_buf1 = START_PG;
- nic.tx_buf2 = START_PG2;
- nic.rx_buf_start = RX_START;
- nic.rx_buf_end = RX_END;
-
- if (dp83902a_init() == false)
- return -1;
-
- dp83902a_start(dev_addr);
- initialized = 1;
-
- return 0;
-}
-
-void eth_halt() {
-
- PRINTK("### eth_halt\n");
- if(initialized)
- dp83902a_stop();
- initialized = 0;
-}
-
-int eth_rx() {
- dp83902a_poll();
- return 1;
-}
-
-int eth_send(volatile void *packet, int length) {
- int tmo;
-
- PRINTK("### eth_send\n");
-
- pkey = -1;
-
- dp83902a_send((u8 *) packet, length, 666);
- tmo = get_timer (0) + TOUT * CFG_HZ;
- while(1) {
- dp83902a_poll();
- if (pkey != -1) {
- PRINTK("Packet sucesfully sent\n");
- return 0;
- }
- if (get_timer (0) >= tmo) {
- printf("transmission error (timoeut)\n");
- return 0;
- }
-
- }
- return 0;
-}
projects / oweals / u-boot.git / blobdiff