#include <common.h>
#include <malloc.h>
#include <net.h>
+#include <netdev.h>
#include <asm/io.h>
#include <pci.h>
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
- defined(CONFIG_RTL8139)
-
-#define TICKS_PER_SEC CFG_HZ
-#define TICKS_PER_MS (TICKS_PER_SEC/1000)
-
-#define RTL_TIMEOUT (1*TICKS_PER_SEC)
+#define RTL_TIMEOUT 100000
#define ETH_FRAME_LEN 1514
#define ETH_ALEN 6
#define RX_BUF_LEN_IDX 0 /* 0, 1, 2 is allowed - 8,16,32K rx buffer */
#define RX_BUF_LEN (8192 << RX_BUF_LEN_IDX)
-#undef DEBUG_TX
-#undef DEBUG_RX
+#define DEBUG_TX 0 /* set to 1 to enable debug code */
+#define DEBUG_RX 0 /* set to 1 to enable debug code */
-#define currticks() get_timer(0)
#define bus_to_phys(a) pci_mem_to_phys((pci_dev_t)dev->priv, a)
#define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a)
static int rtl8139_probe(struct eth_device *dev, bd_t *bis);
static int read_eeprom(int location, int addr_len);
static void rtl_reset(struct eth_device *dev);
-static int rtl_transmit(struct eth_device *dev, volatile void *packet, int length);
+static int rtl_transmit(struct eth_device *dev, void *packet, int length);
static int rtl_poll(struct eth_device *dev);
static void rtl_disable(struct eth_device *dev);
#ifdef CONFIG_MCAST_TFTP/* This driver already accepts all b/mcast */
-static int rtl_bcast_addr (struct eth_device *dev, u8 bcast_mac, u8 set)
+static int rtl_bcast_addr(struct eth_device *dev, const u8 *bcast_mac, u8 set)
{
return (0);
}
debug ("rtl8139: REALTEK RTL8139 @0x%x\n", iobase);
dev = (struct eth_device *)malloc(sizeof *dev);
+ if (!dev) {
+ printf("Can not allocate memory of rtl8139\n");
+ break;
+ }
+ memset(dev, 0, sizeof(*dev));
sprintf (dev->name, "RTL8139#%d", card_number);
static int rtl8139_probe(struct eth_device *dev, bd_t *bis)
{
int i;
- int speed10, fullduplex;
int addr_len;
unsigned short *ap = (unsigned short *)dev->enetaddr;
for (i = 0; i < 3; i++)
*ap++ = le16_to_cpu (read_eeprom(i + 7, addr_len));
- speed10 = inb(ioaddr + MediaStatus) & MSRSpeed10;
- fullduplex = inw(ioaddr + MII_BMCR) & BMCRDuplex;
-
rtl_reset(dev);
if (inb(ioaddr + MediaStatus) & MSRLinkFail) {
printf("Cable not connected or other link failure\n");
- return(0);
+ return -1 ;
}
- return 1;
+ return 0;
}
/* Serial EEPROM section. */
/*
Delay between EEPROM clock transitions.
- No extra delay is needed with 33Mhz PCI, but 66Mhz may change this.
+ No extra delay is needed with 33MHz PCI, but 66MHz may change this.
*/
#define eeprom_delay() inl(ee_addr)
* from the configuration EEPROM default, because the card manufacturer
* should have set that to match the card. */
-#ifdef DEBUG_RX
- printf("rx ring address is %X\n",(unsigned long)rx_ring);
-#endif
+ debug_cond(DEBUG_RX,
+ "rx ring address is %lX\n",(unsigned long)rx_ring);
+ flush_cache((unsigned long)rx_ring, RX_BUF_LEN);
outl(phys_to_bus((int)rx_ring), ioaddr + RxBuf);
/* If we add multicast support, the MAR0 register would have to be
outw(0, ioaddr + IntrMask);
}
-static int rtl_transmit(struct eth_device *dev, volatile void *packet, int length)
+static int rtl_transmit(struct eth_device *dev, void *packet, int length)
{
- unsigned int status, to;
+ unsigned int status;
unsigned long txstatus;
unsigned int len = length;
+ int i = 0;
ioaddr = dev->iobase;
memcpy((char *)tx_buffer, (char *)packet, (int)length);
-#ifdef DEBUG_TX
- printf("sending %d bytes\n", len);
-#endif
+ debug_cond(DEBUG_TX, "sending %d bytes\n", len);
/* Note: RTL8139 doesn't auto-pad, send minimum payload (another 4
* bytes are sent automatically for the FCS, totalling to 64 bytes). */
tx_buffer[len++] = '\0';
}
+ flush_cache((unsigned long)tx_buffer, length);
outl(phys_to_bus((int)tx_buffer), ioaddr + TxAddr0 + cur_tx*4);
outl(((TX_FIFO_THRESH<<11) & 0x003f0000) | len,
ioaddr + TxStatus0 + cur_tx*4);
- to = currticks() + RTL_TIMEOUT;
-
do {
status = inw(ioaddr + IntrStatus);
/* Only acknlowledge interrupt sources we can properly handle
* rtl_poll() function. */
outw(status & (TxOK | TxErr | PCIErr), ioaddr + IntrStatus);
if ((status & (TxOK | TxErr | PCIErr)) != 0) break;
- } while (currticks() < to);
+ udelay(10);
+ } while (i++ < RTL_TIMEOUT);
txstatus = inl(ioaddr + TxStatus0 + cur_tx*4);
if (status & TxOK) {
cur_tx = (cur_tx + 1) % NUM_TX_DESC;
-#ifdef DEBUG_TX
- printf("tx done (%d ticks), status %hX txstatus %X\n",
- to-currticks(), status, txstatus);
-#endif
+
+ debug_cond(DEBUG_TX,
+ "tx done, status %hX txstatus %lX\n",
+ status, txstatus);
+
return length;
} else {
-#ifdef DEBUG_TX
- printf("tx timeout/error (%d ticks), status %hX txstatus %X\n",
- currticks()-to, status, txstatus);
-#endif
+
+ debug_cond(DEBUG_TX,
+ "tx timeout/error (%d usecs), status %hX txstatus %lX\n",
+ 10*i, status, txstatus);
+
rtl_reset(dev);
return 0;
/* See below for the rest of the interrupt acknowledges. */
outw(status & ~(RxFIFOOver | RxOverflow | RxOK), ioaddr + IntrStatus);
-#ifdef DEBUG_RX
- printf("rtl_poll: int %hX ", status);
-#endif
+ debug_cond(DEBUG_RX, "rtl_poll: int %hX ", status);
ring_offs = cur_rx % RX_BUF_LEN;
- rx_status = *(unsigned int*)KSEG1ADDR((rx_ring + ring_offs));
+ /* ring_offs is guaranteed being 4-byte aligned */
+ rx_status = le32_to_cpu(*(unsigned int *)(rx_ring + ring_offs));
rx_size = rx_status >> 16;
rx_status &= 0xffff;
memcpy(&(rxdata[semi_count]), rx_ring, rx_size-4-semi_count);
NetReceive(rxdata, length);
-#ifdef DEBUG_RX
- printf("rx packet %d+%d bytes", semi_count,rx_size-4-semi_count);
-#endif
+ debug_cond(DEBUG_RX, "rx packet %d+%d bytes",
+ semi_count, rx_size-4-semi_count);
} else {
NetReceive(rx_ring + ring_offs + 4, length);
-#ifdef DEBUG_RX
- printf("rx packet %d bytes", rx_size-4);
-#endif
+ debug_cond(DEBUG_RX, "rx packet %d bytes", rx_size-4);
}
+ flush_cache((unsigned long)rx_ring, RX_BUF_LEN);
cur_rx = (cur_rx + rx_size + 4 + 3) & ~3;
outw(cur_rx - 16, ioaddr + RxBufPtr);
udelay (100); /* wait 100us */
}
}
-#endif
projects / oweals / u-boot.git / blobdiff