int eth_init(bd_t *bd) {
int r;
u8 dev_addr[6];
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, nic.base);
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;
}
int eth_init(bd_t *bd) {
static hw_info_t * r;
char ethaddr[20];
PRINTK("### eth_init\n");
if (!pbuf) {
pbuf = malloc(NB*2000);
if (!pbuf) {
printf("Cannot allocate rx buffers\n");
return -1;
}
}
#ifdef CONFIG_DRIVER_NE2000_CCR
{
volatile unsigned char *p = (volatile unsigned 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 = CONFIG_DRIVER_NE2000_BASE;
nic.base = (cyg_uint8 *) CONFIG_DRIVER_NE2000_BASE;
r = get_prom();
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);
#define DP_DATA 0x10
nic.data = nic.base + DP_DATA;
nic.tx_buf1 = 0x40;
nic.tx_buf2 = 0x48;
nic.rx_buf_start = 0x50;
nic.rx_buf_end = 0x80;
if (dp83902a_init() == false)
return -1;
dp83902a_start(dev_addr);
return 0;
}
/**
* Setup the driver and init MAC address according to doc/README.enetaddr
* Called by ne2k_register() before registering the driver @eth layer
*
* @param struct ethdevice of this instance of the driver for dev->enetaddr
* @return 0 on success, -1 on error (causing caller to print error msg)
*/
static int ne2k_setup_driver(struct eth_device *dev)
{
PRINTK("### ne2k_setup_driver\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;
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;
/*
* According to doc/README.enetaddr, drivers shall give priority
* to the MAC address value in the environment, so we do not read
* it from the prom or eeprom if it is specified in the environment.
*/
if (!eth_getenv_enetaddr("ethaddr", dev->enetaddr)) {
/* If the MAC address is not in the environment, get it: */
if (!get_prom(dev->enetaddr, nic.base)) /* get MAC from prom */
dp83902a_init(dev->enetaddr); /* fallback: seeprom */
/* And write it into the environment otherwise eth_write_hwaddr
* returns -1 due to eth_getenv_enetaddr_by_index() failing,
* and this causes "Warning: failed to set MAC address", and
* cmd_bdinfo has no ethaddr value which it can show: */
eth_setenv_enetaddr("ethaddr", dev->enetaddr);
}
return 0;
}
int ne2k_init(struct nic_priv_data *nic_data)
{
int r;
u8 eth_addr[6];
if (!nic_data) {
return VMM_EFAIL;
}
if (!nic_data->rx_rb) {
nic_data->rx_rb = vmm_ringbuf_alloc(1, 2000);
if (!nic_data->rx_rb) {
vmm_printf("Cannot allocate receive buffer\n");
return VMM_EFAIL;
}
}
nic_data->base = (u8 *) (isa_vbase + CONFIG_DRIVER_NE2000_BASE);
r = get_prom(nic_data, eth_addr);
if (r != VMM_OK)
return VMM_EFAIL;
nic_data->data = nic_data->base + DP_DATA;
nic_data->tx_buf1 = START_PG;
nic_data->tx_buf2 = START_PG2;
nic_data->rx_buf_start = RX_START;
nic_data->rx_buf_end = RX_END;
vmm_memcpy(nic_data->esa, eth_addr, sizeof(nic_data->esa));
if (dp83902a_init(nic_data) != true) {
return VMM_EFAIL;
}
dp83902a_start(nic_data, eth_addr);
nic_data->initialized = 1;
return VMM_OK;
}
