/*
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
==========================================================================
#####DESCRIPTIONBEGIN####
-Author(s): gthomas
-Contributors: gthomas, jskov, rsandifo
-Date: 2001-06-13
+Author(s): gthomas
+Contributors: gthomas, jskov, rsandifo
+Date: 2001-06-13
Purpose:
Description:
-FIXME: Will fail if pinged with large packets (1520 bytes)
+FIXME: Will fail if pinged with large packets (1520 bytes)
Add promisc config
Add SNMP
#include <net.h>
#include <malloc.h>
-#define mdelay(n) udelay((n)*1000)
+#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
-*/
-/*#define DEBUG 0xf*/
+ * 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)
{
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 */
+ 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 */
+ 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 */
+ 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] );
+ "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;
DEBUG_FUNCTION();
- DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_STOP); /* Brutal */
+ 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 */
}
/*
- 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.
-*/
+ * 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)
{
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_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->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_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++) {
+ for (i = 0; i < ETHER_ADDR_LEN; i++) {
/* FIXME */
/*((vu_short*)( base + ((DP_P1_PAR0 + i) * 2) +
* 0x1400)) = 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_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
-*/
+ * 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)
}
/*
- This routine is called to send data to the hardware. It is known a-priori
- that there is free buffer space (dp->tx_next).
-*/
+ * 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)
{
DEBUG_FUNCTION();
len = pkt_len = total_len;
- if (pkt_len < IEEE_8023_MIN_FRAME) pkt_len = IEEE_8023_MIN_FRAME;
+ 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) {
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 */
+ 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). */
+ /*
+ * 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_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);
}
#ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA
- /* Stall for a bit before continuing to work around random data */
- /* corruption problems on some platforms. */
+ /*
+ * Stall for a bit before continuing to work around random data
+ * corruption problems on some platforms.
+ */
CYGACC_CALL_IF_DELAY_US(1);
#endif
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;) {
+ 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). */
+ /*
+ * 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
/* Start transmit if not already going */
if (!dp->tx_started) {
if (start_page == dp->tx1) {
- dp->tx_int = 1; /* Expecting interrupt from BUF1 */
+ dp->tx_int = 1; /* Expecting interrupt from BUF1 */
} else {
- dp->tx_int = 2; /* Expecting interrupt from BUF2 */
+ 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.
-*/
+ * 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)
{
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);
+ DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
else
- DP_OUT(base, DP_BNDRY, cur-1); /* Update pointer */
+ DP_OUT(base, DP_BNDRY, cur - 1); /* Update pointer */
return;
}
dp->rx_next = pkt;
#endif
/* read header (get data size)*/
- for (i = 0; i < sizeof(rcv_hdr);) {
+ 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]);
+ rcv_hdr[0], rcv_hdr[1], rcv_hdr[2], rcv_hdr[3]);
#endif
len = ((rcv_hdr[3] << 8) | rcv_hdr[2]) - sizeof(rcv_hdr);
uboot_push_packet_len(len);
if (rcv_hdr[1] == dp->rx_buf_start)
- DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1);
+ DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
else
- DP_OUT(base, DP_BNDRY, rcv_hdr[1]-1); /* Update pointer */
+ 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.
-*/
+ * 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)
{
#endif
saved = false;
- for (i = 0; i < 1; i++) {
+ for (i = 0; i < 1; i++) {
if (data) {
mlen = len;
#if DEBUG & 4
uboot_push_tx_done(key, 0);
}
-/* Read the tally counters to clear them. Called in response to a CNT */
-/* interrupt. */
+/*
+ * Read the tally counters to clear them. Called in response to a CNT
+ * interrupt.
+ */
static void
dp83902a_ClearCounters(void)
{
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. */
+/*
+ * Deal with an overflow condition. This code follows the procedure set
+ * out in section 7.0 of the datasheet.
+ */
static void
dp83902a_Overflow(void)
{
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. */
+ /*
+ * 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);
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. */
+ /*
+ * 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);
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. */
+ /*
+ * 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 */
+ /*
+ * 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 */
+ /*
+ * 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. */
+ /*
+ * 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();
}
#define HAS_MII 0x40
#define USE_SHMEM 0x80 /* autodetected */
-#define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */
-#define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */
+#define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */
+#define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */
#define MII_PHYID_REV_MASK 0xfffffff0
#define MII_PHYID_REG1 0x02
#define MII_PHYID_REG2 0x03
{ /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 },
{ /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 },
{ /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94,
- DELAY_OUTPUT | HAS_IBM_MISC },
+ DELAY_OUTPUT | HAS_IBM_MISC },
{ /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 },
{ /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 },
{ /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 },
{ /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 },
{ /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 },
{ /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 },
{ /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 },
{ /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* IBM FME */ 0x0374, 0x00, 0x04, 0xac,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 },
{ /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 },
{ /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 },
{ /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 },
{ /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 },
{ /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 },
{ /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45,
- HAS_MISC_REG | HAS_IBM_MISC },
+ HAS_MISC_REG | HAS_IBM_MISC },
{ /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 },
{ /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 },
{ /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 },
{ /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b,
- DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF },
+ DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF },
{ /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 },
{ /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 },
{ /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 },
#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
#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 */
-u32 nic_base;
+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;
+}
/* U-boot specific routines */
static u8 *pbuf = NULL;
static int pkey = -1;
-static int initialized=0;
+static int initialized = 0;
void uboot_push_packet_len(int len) {
PRINTK("pushed len = %d\n", len);
- if (len>=2000) {
+ if (len >= 2000) {
printf("NE2000: packet too big\n");
return;
}
}
int eth_init(bd_t *bd) {
- static hw_info_t * r;
+ int r;
+ u8 dev_addr[6];
char ethaddr[20];
PRINTK("### eth_init\n");
#ifdef CONFIG_DRIVER_NE2000_CCR
{
- vu_char *p = (vu_char *) 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;
}
#endif
- nic_base = CONFIG_DRIVER_NE2000_BASE;
nic.base = (u8 *) CONFIG_DRIVER_NE2000_BASE;
r = get_prom(dev_addr);
return -1;
dp83902a_start(dev_addr);
- initialized=1;
+ initialized = 1;
return 0;
}
PRINTK("### eth_halt\n");
if(initialized)
dp83902a_stop();
- initialized=0;
+ initialized = 0;
}
int eth_rx() {
projects / J-u-boot.git / blobdiff