void ambapp_print(struct ambapp_bus *abus, int show_depth)
{
struct ambapp_dev_print_arg arg;
arg.show_depth = show_depth;
ambapp_for_each(abus, (OPTIONS_ALL_DEVS|OPTIONS_ALL|OPTIONS_DEPTH_FIRST), -1,
-1, ambapp_dev_print, &arg);
}
/* Find all UARTs */
static void leon3_console_scan_uarts(void)
{
memset(apbuarts, 0, sizeof(apbuarts));
/* Find APBUART cores */
ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_APB_SLVS), VENDOR_GAISLER,
GAISLER_APBUART, find_matching_apbuart, NULL);
}
int rtems_leon_open_eth_driver_attach(
struct rtems_bsdnet_ifconfig *config,
int attach
)
{
unsigned int base_addr = 0; /* avoid warnings */
unsigned int eth_irq = 0; /* avoid warnings */
struct ambapp_dev *adev;
struct ambapp_ahb_info *ahb;
/* Scan for MAC AHB slave interface */
adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_AHB_SLVS),
VENDOR_OPENCORES, OPENCORES_ETHMAC,
ambapp_find_by_idx, NULL);
if (!adev) {
adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_AHB_SLVS),
VENDOR_GAISLER, GAISLER_ETHAHB,
ambapp_find_by_idx, NULL);
}
if (adev)
{
ahb = DEV_TO_AHB(adev);
base_addr = ahb->start[0];
eth_irq = ahb->irq;
/* clear control register and reset NIC */
*(volatile int *) base_addr = 0;
*(volatile int *) base_addr = 0x800;
*(volatile int *) base_addr = 0;
leon_open_eth_configuration.base_address = base_addr;
leon_open_eth_configuration.vector = eth_irq + 0x10;
leon_open_eth_configuration.txd_count = TDA_COUNT;
leon_open_eth_configuration.rxd_count = RDA_COUNT;
/* enable 100 MHz operation only if cpu frequency >= 50 MHz */
if (LEON3_Timer_Regs->scaler_reload >= 49)
leon_open_eth_configuration.en100MHz = 1;
if (rtems_open_eth_driver_attach( config, &leon_open_eth_configuration )) {
LEON_Clear_interrupt(eth_irq);
LEON_Unmask_interrupt(eth_irq);
}
}
return 0;
}
/* Initialize the BSP system debug console layer. It will scan AMBA Plu&Play
* for a debug APBUART and enable RX/TX for that UART.
*/
int bsp_debug_uart_init(void)
{
int i;
struct ambapp_dev *adev;
struct ambapp_apb_info *apb;
/* Update debug_uart_index to index used as debug console.
* Let user select Debug console by setting debug_uart_index. If the
* BSP is to provide the default UART (debug_uart_index==0):
* non-MP: APBUART[0] is debug console
* MP: LEON CPU index select UART
*/
if (debug_uart_index == 0) {
#if defined(RTEMS_MULTIPROCESSING)
debug_uart_index = LEON3_Cpu_Index;
#else
debug_uart_index = 0;
#endif
} else {
debug_uart_index = debug_uart_index - 1; /* User selected dbg-console */
}
/* Find APBUART core for System Debug Console */
i = debug_uart_index;
adev = (void *)ambapp_for_each(&ambapp_plb, (OPTIONS_ALL|OPTIONS_APB_SLVS),
VENDOR_GAISLER, GAISLER_APBUART,
ambapp_find_by_idx, (void *)&i);
if (adev) {
/* Found a matching debug console, initialize debug uart if present
* for printk
*/
apb = (struct ambapp_apb_info *)adev->devinfo;
dbg_uart = (ambapp_apb_uart *)apb->start;
dbg_uart->ctrl |= LEON_REG_UART_CTRL_RE | LEON_REG_UART_CTRL_TE;
dbg_uart->status = 0;
return 1;
} else
return 0;
}
