diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/leon3/console/console.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/leon3/console/console.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/console/console.c b/c/src/lib/libbsp/sparc/leon3/console/console.c deleted file mode 100644 index acab893399..0000000000 --- a/c/src/lib/libbsp/sparc/leon3/console/console.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * This file contains the TTY driver for the serial ports on the LEON. - * - * This driver uses the termios pseudo driver. - * - * COPYRIGHT (c) 1989-1998. - * On-Line Applications Research Corporation (OAR). - * - * Modified for LEON3 BSP. - * COPYRIGHT (c) 2004. - * Gaisler Research. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -/* Define CONSOLE_USE_INTERRUPTS to enable APBUART interrupt handling instead - * of polling mode. - * - * Note that it is not possible to use the interrupt mode of the driver - * together with the "old" APBUART and -u to GRMON. However the new - * APBUART core (from GRLIB 1.0.17-b2710) has the GRMON debug bit and can - * handle interrupts. - * - * NOTE: This can be defined in the make/custom/leon3.cfg file. - */ - -#include <bsp.h> -#include <bsp/fatal.h> -#include <bsp/apbuart_termios.h> -#include <rtems/console.h> -#include <string.h> - -/* The LEON3 BSP UART driver can rely on the Driver Manager if the - * DrvMgr is initialized during startup. Otherwise the classic driver - * must be used. - * - * The DrvMgr APBUART driver is located in the shared/uart directory - */ -#ifndef RTEMS_DRVMGR_STARTUP - -int syscon_uart_index __attribute__((weak)) = 0; - -/* body is in debugputs.c */ -static struct apbuart_context apbuarts[BSP_NUMBER_OF_TERMIOS_PORTS]; -static int uarts = 0; - -static rtems_termios_device_context *leon3_console_get_context(int index) -{ - struct apbuart_context *uart = &apbuarts[index]; - - rtems_termios_device_context_initialize(&uart->base, "APBUART"); - - return &uart->base; -} - -/* AMBA PP find routine. Extract AMBA PnP information into data structure. */ -static int find_matching_apbuart(struct ambapp_dev *dev, int index, void *arg) -{ - struct ambapp_apb_info *apb = (struct ambapp_apb_info *)dev->devinfo; - - /* Extract needed information of one APBUART */ - apbuarts[uarts].regs = (struct apbuart_regs *)apb->start; - apbuarts[uarts].irq = apb->irq; - /* Get APBUART core frequency, it is assumed that it is the same - * as Bus frequency where the UART is situated - */ - apbuarts[uarts].freq_hz = ambapp_freq_get(&ambapp_plb, dev); - uarts++; - - if (uarts >= BSP_NUMBER_OF_TERMIOS_PORTS) - return 1; /* Satisfied number of UARTs, stop search */ - else - return 0; /* Continue searching for more UARTs */ -} - -/* 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); -} - -rtems_device_driver console_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg -) -{ - const rtems_termios_device_handler *handler = -#if CONSOLE_USE_INTERRUPTS - &apbuart_handler_interrupt; -#else - &apbuart_handler_polled; -#endif - rtems_status_code status; - int i; - char console_name[16]; - - rtems_termios_initialize(); - - /* Find UARTs */ - leon3_console_scan_uarts(); - - /* Update syscon_uart_index to index used as /dev/console - * Let user select System console by setting syscon_uart_index. If the - * BSP is to provide the default UART (syscon_uart_index==0): - * non-MP: APBUART[0] is system console - * MP: LEON CPU index select UART - */ - if (syscon_uart_index == 0) { -#if defined(RTEMS_MULTIPROCESSING) - syscon_uart_index = LEON3_Cpu_Index; -#else - syscon_uart_index = 0; -#endif - } else { - syscon_uart_index = syscon_uart_index - 1; /* User selected sys-console */ - } - - /* Register Device Names - * - * 0 /dev/console - APBUART[USER-SELECTED, DEFAULT=APBUART[0]] - * 1 /dev/console_a - APBUART[0] (by default not present because is console) - * 2 /dev/console_b - APBUART[1] - * ... - * - * On a MP system one should not open UARTs that other OS instances use. - */ - if (syscon_uart_index < uarts) { - status = rtems_termios_device_install( - CONSOLE_DEVICE_NAME, - handler, - NULL, - leon3_console_get_context(syscon_uart_index) - ); - if (status != RTEMS_SUCCESSFUL) - bsp_fatal(LEON3_FATAL_CONSOLE_REGISTER_DEV); - } - strcpy(console_name,"/dev/console_a"); - for (i = 0; i < uarts; i++) { - if (i == syscon_uart_index) - continue; /* skip UART that is registered as /dev/console */ - console_name[13] = 'a' + i; - rtems_termios_device_install( - console_name, - handler, - NULL, - leon3_console_get_context(i) - ); - } - - return RTEMS_SUCCESSFUL; -} - -#endif |