static int eth_open(struct net_device *net)
{
struct eth_dev *dev = netdev_priv(net);
struct gether *link;
DBG(dev, "%s\n", __func__);
if (netif_carrier_ok(dev->net))
eth_start(dev, GFP_KERNEL);
spin_lock_irq(&dev->lock);
link = dev->port_usb;
if (link && link->open)
link->open(link);
spin_unlock_irq(&dev->lock);
return 0;
}
/**
* gether_connect - notify network layer that USB link is active
* @link: the USB link, set up with endpoints, descriptors matching
* current device speed, and any framing wrapper(s) set up.
* Context: irqs blocked
*
* This is called to activate endpoints and let the network layer know
* the connection is active ("carrier detect"). It may cause the I/O
* queues to open and start letting network packets flow, but will in
* any case activate the endpoints so that they respond properly to the
* USB host.
*
* Verify net_device pointer returned using IS_ERR(). If it doesn't
* indicate some error code (negative errno), ep->driver_data values
* have been overwritten.
*/
struct net_device *gether_connect(struct gether *link)
{
struct eth_dev *dev = the_dev;
int result = 0;
if (!dev)
return ERR_PTR(-EINVAL);
link->in_ep->driver_data = dev;
result = usb_ep_enable(link->in_ep, link->in);
if (result != 0) {
DBG(dev, "enable %s --> %d\n",
link->in_ep->name, result);
goto fail0;
}
link->out_ep->driver_data = dev;
result = usb_ep_enable(link->out_ep, link->out);
if (result != 0) {
DBG(dev, "enable %s --> %d\n",
link->out_ep->name, result);
goto fail1;
}
if (result == 0)
result = alloc_requests(dev, link, qlen(dev->gadget));
if (result == 0) {
dev->zlp = link->is_zlp_ok;
DBG(dev, "qlen %d\n", qlen(dev->gadget));
dev->header_len = link->header_len;
dev->unwrap = link->unwrap;
dev->wrap = link->wrap;
spin_lock(&dev->lock);
dev->port_usb = link;
link->ioport = dev;
if (netif_running(dev->net)) {
if (link->open)
link->open(link);
} else {
if (link->close)
link->close(link);
}
spin_unlock(&dev->lock);
netif_carrier_on(dev->net);
if (netif_running(dev->net))
eth_start(dev, GFP_ATOMIC);
/* on error, disable any endpoints */
} else {
(void) usb_ep_disable(link->out_ep);
fail1:
(void) usb_ep_disable(link->in_ep);
}
fail0:
/* caller is responsible for cleanup on error */
if (result < 0)
return ERR_PTR(result);
return dev->net;
}
/**
* Starts the initialization, the tasks and then the scheduler.
*/
int main(void)
{
/* disable ETM at very first */
PINSEL10 &= ~((unsigned int)(1 << 3));
/* Initialize BMC hardware */
global_data.bmc_resetcause = 0x00;
/* IPMI message sequence counter */
global_data.seq_counter = 0x00;
/* site number used for entity instance */
global_data.bmc_siteno = 0x00;
/* reset sdr list */
sdr_list.sdr_count = 0;
/* init PLL */
init_clock();
/* init interrupts */
init_irq();
/* get reset cause */
init_resetcause();
/* init port pins */
init_portpins();
/* CUSTOM BOARD INIT CODE LOCATION 1 */
custom_init_1();
/* get HW and IPMB address */
custom_get_hw_ipmb_address();
uptime_init();
/* init RTC */
rtc_init();
/* create the FreeRTOS queues */
create_queues();
uart_init(UART_DEBUG_CONNECTOR, 115200);
uart_printf("Firmware started...\n");
/* init SPI/SSP controllers */
spi_init();
/* init SPI FLASH */
spi_flash_init_devices();
spi_flash_init(&spi_flash);
#ifdef CFG_MMC_I2C_MASTER
/* init BMC master I2C bus */
master_i2c_init(MASTER_BUS_I2C);
#endif
/* init EEPROM file system */
//spi_eeprom_init(&spi_eeprom);
#ifdef CFG_FS
if (fs_init(&efs, &spi_eeprom) != 0)
{
uart_printf("\nEEPROM not accesable!\n");
/* reboot bmc */
lpc_watchdog_start(CFG_BL_WATCHDOG_TIMEOUT, WD_RESET_MODE);
while (1);
}
#endif
/* init leds */
//led_init();
#ifndef CFG_ONCHIP_FLASH_GLOBAL_CONF
/* check EEPROM areas */
//eeprom_integrity_check_areas();
#endif
/* init CLI (and debug console) */
cli_uart_init(115200);
/* handle reset type warm/cold? */
//fru_handle_reset_type();
#ifdef CFG_CM
cm_fru_get_last_known_state();
#endif
#ifdef CFG_EXT_INT
/* init external interrupts */
external_interrupt_init();
#endif
#ifdef CFG_HELPER
/* init the helper task */
helper_init();
#endif
#ifdef CFG_BIOS_FLASH
/* init BIOS FLASH */
spi_flash_init(&bios_flash);
/* init FPGA BIOS flash selection */
bios_restore_active_flash_from_eeprom();
#endif
/* CUSTOM BOARD INIT CODE LOCATION 2 */
//custom_init_2();
/* get global configuration from EEPROM */
global_config();
/* CUSTOM BOARD INIT CODE LOCATION 3 */
//custom_init_3();
/* parse FRU */
fru_init(0);
#if defined (CFG_CM) || defined (CFG_MMC) || defined (CFG_IRTM) || defined(CFG_MCMC)
/* init the IPMB-L interface(s) */
ipmbl_init();
#endif
#ifdef CFG_LAN
/* read and set ncsi mac address from fru */
custom_set_ncsi_mac();
#endif
/* create message pool for IPMI messages */
message_pool_init();
/* init board task */
board_init();
/* init the BMC task */
bmc_init();
#ifdef CFG_PI_SERIAL_BASIC
/* init the payload interface */
pi_uart_b_init(CFG_PI_PORT_RATE);
#endif /* CFG_PI_SERIAL_BASIC */
#ifdef CFG_PI_SERIAL_TERMINAL
/* init the payload interface */
pi_uart_t_init(CFG_PI_PORT_RATE);
#endif /* CFG_PI_SERIAL_TERMINAL */
#ifdef CFG_PI_KCS
/* initialise kcs interface */
kcs_init();
#endif /* CFG_PI_KCS */
#ifdef CFG_ATCA
if (global_conf.operation_mode == OPERATION_MODE_STANDALONE)
{
/* configure IPMB-A and IPMB-B as master only in stanalone mode */
master_i2c_init(IPMB0A_I2C);
master_i2c_init(IPMB0B_I2C);
/* enable IPMB-0 pull ups and buffer */
ipmb0_bus_ctrl(IPMB0_A, IPMB_ENABLE);
ipmb0_bus_ctrl(IPMB0_B, IPMB_ENABLE);
}
else
{
/* init the IPMB-0 interface */
ipmb0_init();
}
#endif
#ifdef CFG_LAN_PLUS
sol_init();
#endif
#ifdef CFG_LAN
/* init ethernet hardware and Task */
eth_start();
#endif
/* init the SDR task */
/* PORT_NOTE: Needs to be started AFTER BMC task because of Semaphore dependency */
sdr_init();
/* parse all PICMG Records in FRU data and store relevant information */
//fru_parse_picmg();
/* init the IPMI message hub */
msg_hub_init();
/* init the event task */
event_init();
#ifdef CFG_CM
/* init the CM task */
init_cm();
#endif
#ifdef CFG_COOLING_MANAGER
cool_init();
#endif
/* do all post tests */
//post_test();
/* needs to be done after sdr initialization */
//hpm_check_bl_flags();
#ifdef CFG_BIOS_FLASH
/* collect BIOS/NVRAM version info (if payload power is off) */
if (!(signal_read(&sig_payload_power_enable)))
{
bios_redundancy_get_versions();
}
#endif
#ifdef CFG_WATCHDOG
/* start the FW watchdog */
lpc_watchdog_start(CFG_FW_WATCHDOG_TIMEOUT, WD_RESET_MODE);
#endif
/* set desired debug output mode before starting scheduler */
global_debug_uart_enabled = CFG_GLOBAL_DEBUG_UART;
/* all tasks have been initialized, start the scheduler */
vTaskStartScheduler();
/* Should never reach here! */
while (1);
}