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;
}
static int
is_ok2shutdown(time_t *now)
{
int prom_fd = -1;
char power_cycles_st[LLEN];
char power_cycle_limit_st[LLEN];
char system_board_date_st[LLEN];
int power_cycles, power_cycle_limit, free_cycles, scaled_cycles;
time_t life_began, life_passed;
int no_power_cycles = 0;
int no_system_board_date = 0;
int ret = 1;
/* CONSTCOND */
while (1) {
if ((prom_fd = open(PROM, O_RDWR)) == -1 &&
(errno == EAGAIN))
continue;
break;
}
/*
* when #power-cycles property does not exist
* power cycles are unlimited.
*/
if (get_prom(prom_fd, options, "#power-cycles",
power_cycles_st, sizeof (power_cycles_st)) == 0)
goto ckdone;
if (get_prom(prom_fd, root, "power-cycle-limit",
power_cycle_limit_st, sizeof (power_cycle_limit_st)) == 0) {
power_cycle_limit = DEFAULT_POWER_CYCLE_LIMIT;
} else {
power_cycle_limit = atoi(power_cycle_limit_st);
}
/*
* Allow 10% of power_cycle_limit as free cycles.
*/
free_cycles = power_cycle_limit * 0.1;
power_cycles = atoi(power_cycles_st);
if (power_cycles < 0)
no_power_cycles++;
else if (power_cycles <= free_cycles)
goto ckdone;
if (no_power_cycles && log_power_cycles_error == 0) {
logerror("Invalid PROM property \"#power-cycles\" was found.");
log_power_cycles_error++;
}
if (get_prom(prom_fd, options, "system-board-date",
system_board_date_st, sizeof (system_board_date_st)) == 0) {
no_system_board_date++;
} else {
life_began = strtol(system_board_date_st, (char **)NULL, 16);
if (life_began > *now) {
no_system_board_date++;
}
}
if (no_system_board_date) {
if (log_system_board_date_error == 0) {
logerror("No or invalid PROM property "
"\"system-board-date\" was found.");
log_system_board_date_error++;
}
life_began = DEFAULT_SYSTEM_BOARD_DATE;
}
life_passed = *now - life_began;
/*
* Since we don't keep the date that last free_cycle is ended, we
* need to spread (power_cycle_limit - free_cycles) over the entire
* 7-year life span instead of (lifetime - date free_cycles ended).
*/
scaled_cycles = ((float)life_passed / (float)LIFETIME_SECS) *
(power_cycle_limit - free_cycles);
if (no_power_cycles)
goto ckdone;
#ifdef DEBUG
(void) fprintf(stderr, "Actual power_cycles = %d\t"
"Scaled power_cycles = %d\n",
power_cycles, scaled_cycles);
#endif
if (power_cycles > scaled_cycles) {
if (log_no_autoshutdown_warning == 0) {
logerror("Automatic shutdown has been temporarily "
"suspended in order to preserve the reliability "
"of this system.");
log_no_autoshutdown_warning++;
}
ret = 0;
goto ckdone;
}
ckdone:
if (prom_fd != -1)
close(prom_fd);
return (ret);
}
static int pcnet_confcheck(struct pcmcia_device *p_dev, void *priv_data)
{
int *priv = priv_data;
int try = (*priv & 0x1);
*priv &= (p_dev->resource[2]->end >= 0x4000) ? 0x10 : ~0x10;
if (p_dev->config_index == 0)
return -EINVAL;
if (p_dev->resource[0]->end + p_dev->resource[1]->end < 32)
return -EINVAL;
if (try)
p_dev->io_lines = 16;
return try_io_port(p_dev);
}
static hw_info_t *pcnet_try_config(struct pcmcia_device *link,
int *has_shmem, int try)
{
struct net_device *dev = link->priv;
hw_info_t *local_hw_info;
pcnet_dev_t *info = PRIV(dev);
int priv = try;
int ret;
ret = pcmcia_loop_config(link, pcnet_confcheck, &priv);
if (ret) {
dev_warn(&link->dev, "no useable port range found\n");
return NULL;
}
*has_shmem = (priv & 0x10);
if (!link->irq)
return NULL;
if (resource_size(link->resource[1]) == 8)
link->config_flags |= CONF_ENABLE_SPKR;
if ((link->manf_id == MANFID_IBM) &&
(link->card_id == PRODID_IBM_HOME_AND_AWAY))
link->config_index |= 0x10;
ret = pcmcia_enable_device(link);
if (ret)
return NULL;
dev->irq = link->irq;
dev->base_addr = link->resource[0]->start;
if (info->flags & HAS_MISC_REG) {
if ((if_port == 1) || (if_port == 2))
dev->if_port = if_port;
else
dev_notice(&link->dev, "invalid if_port requested\n");
} else
dev->if_port = 0;
if ((link->config_base == 0x03c0) &&
(link->manf_id == 0x149) && (link->card_id == 0xc1ab)) {
dev_info(&link->dev,
"this is an AX88190 card - use axnet_cs instead.\n");
return NULL;
}
local_hw_info = get_hwinfo(link);
if (!local_hw_info)
local_hw_info = get_prom(link);
if (!local_hw_info)
local_hw_info = get_dl10019(link);
if (!local_hw_info)
local_hw_info = get_ax88190(link);
if (!local_hw_info)
local_hw_info = get_hwired(link);
return local_hw_info;
}
static int pcnet_config(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
pcnet_dev_t *info = PRIV(dev);
int start_pg, stop_pg, cm_offset;
int has_shmem = 0;
hw_info_t *local_hw_info;
dev_dbg(&link->dev, "pcnet_config\n");
local_hw_info = pcnet_try_config(link, &has_shmem, 0);
if (!local_hw_info) {
/* check whether forcing io_lines to 16 helps... */
pcmcia_disable_device(link);
local_hw_info = pcnet_try_config(link, &has_shmem, 1);
if (local_hw_info == NULL) {
dev_notice(&link->dev, "unable to read hardware net"
" address for io base %#3lx\n", dev->base_addr);
goto failed;
}
}
info->flags = local_hw_info->flags;
/* Check for user overrides */
info->flags |= (delay_output) ? DELAY_OUTPUT : 0;
if ((link->manf_id == MANFID_SOCKET) &&
((link->card_id == PRODID_SOCKET_LPE) ||
(link->card_id == PRODID_SOCKET_LPE_CF) ||
(link->card_id == PRODID_SOCKET_EIO)))
info->flags &= ~USE_BIG_BUF;
if (!use_big_buf)
info->flags &= ~USE_BIG_BUF;
if (info->flags & USE_BIG_BUF) {
start_pg = SOCKET_START_PG;
stop_pg = SOCKET_STOP_PG;
cm_offset = 0x10000;
} else {
start_pg = PCNET_START_PG;
stop_pg = PCNET_STOP_PG;
cm_offset = 0;
}
/* has_shmem is ignored if use_shmem != -1 */
if ((use_shmem == 0) || (!has_shmem && (use_shmem == -1)) ||
(setup_shmem_window(link, start_pg, stop_pg, cm_offset) != 0))
setup_dma_config(link, start_pg, stop_pg);
ei_status.name = "NE2000";
ei_status.word16 = 1;
ei_status.reset_8390 = pcnet_reset_8390;
if (info->flags & (IS_DL10019|IS_DL10022))
mii_phy_probe(dev);
SET_NETDEV_DEV(dev, &link->dev);
if (register_netdev(dev) != 0) {
pr_notice("register_netdev() failed\n");
goto failed;
}
if (info->flags & (IS_DL10019|IS_DL10022)) {
u_char id = inb(dev->base_addr + 0x1a);
netdev_info(dev, "NE2000 (DL100%d rev %02x): ",
(info->flags & IS_DL10022) ? 22 : 19, id);
if (info->pna_phy)
pr_cont("PNA, ");
} else {
netdev_info(dev, "NE2000 Compatible: ");
}
pr_cont("io %#3lx, irq %d,", dev->base_addr, dev->irq);
if (info->flags & USE_SHMEM)
pr_cont(" mem %#5lx,", dev->mem_start);
if (info->flags & HAS_MISC_REG)
pr_cont(" %s xcvr,", if_names[dev->if_port]);
pr_cont(" hw_addr %pM\n", dev->dev_addr);
return 0;
failed:
pcnet_release(link);
return -ENODEV;
} /* pcnet_config */
static void pcnet_release(struct pcmcia_device *link)
{
pcnet_dev_t *info = PRIV(link->priv);
dev_dbg(&link->dev, "pcnet_release\n");
if (info->flags & USE_SHMEM)
iounmap(info->base);
pcmcia_disable_device(link);
}
