diff options
Diffstat (limited to 'bsps/bfin/bf537Stamp/console/console.c')
-rw-r--r-- | bsps/bfin/bf537Stamp/console/console.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/bsps/bfin/bf537Stamp/console/console.c b/bsps/bfin/bf537Stamp/console/console.c new file mode 100644 index 0000000000..e9fe24cda1 --- /dev/null +++ b/bsps/bfin/bf537Stamp/console/console.c @@ -0,0 +1,141 @@ +/* Console driver for bf537Stamp + */ + +/* + * Copyright (c) 2008 Kallisti Labs, Los Gatos, CA, USA + * written by Allan Hessenflow <allanh@kallisti.com> + * + * 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. + */ + + +#include <rtems.h> +#include <rtems/libio.h> +#include <bsp.h> +#include <rtems/bspIo.h> +#include <rtems/console.h> + +#include <libcpu/bf537.h> +#include <libcpu/interrupt.h> +#include <libcpu/uart.h> + +/* +#undef CONSOLE_USE_INTERRUPTS +#define CONSOLE_USE_INTERRUPTS 1 +*/ + +static bfin_uart_channel_t channels[] = { + {"/dev/console", + UART0_BASE_ADDRESS, + 0, + 0, + CONSOLE_USE_INTERRUPTS, + 0, + #ifdef CONSOLE_FORCE_BAUD + CONSOLE_FORCE_BAUD, + #else + 0, + #endif + NULL, + 0, + 0} + +#if (!BFIN_ON_SKYEYE) +, + {"/dev/tty1", + UART1_BASE_ADDRESS, + CONSOLE_USE_INTERRUPTS, + 0, + NULL, + 0} +#endif +}; + +static bfin_uart_config_t config = { + SCLK, + sizeof(channels) / sizeof(channels[0]), + channels +}; + +#if CONSOLE_USE_INTERRUPTS +static bfin_isr_t bfinUARTISRs[] = { + {SIC_DMA8_UART0_RX_VECTOR, bfinUart_rxIsr, 0, 0, NULL}, + {SIC_DMA10_UART1_RX_VECTOR, bfinUart_rxIsr, 0, 0, NULL}, + {SIC_DMA9_UART0_TX_VECTOR, bfinUart_txIsr, 0, 0, NULL}, + {SIC_DMA11_UART1_TX_VECTOR, bfinUart_txIsr, 0, 0, NULL} +}; +#endif + + +static void bf537Stamp_BSP_output_char(char c) { + + bfin_uart_poll_write(0, c); +} + +static int bf537Stamp_BSP_poll_char(void) { + + return bfin_uart_poll_read(0); +} + +BSP_output_char_function_type BSP_output_char = bf537Stamp_BSP_output_char; +BSP_polling_getchar_function_type BSP_poll_char = bf537Stamp_BSP_poll_char; + +rtems_device_driver console_initialize(rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg) { + rtems_status_code status; +#if CONSOLE_USE_INTERRUPTS + int i; +#endif + + status = bfin_uart_initialize(major, &config); +#if CONSOLE_USE_INTERRUPTS + for (i = 0; i < sizeof(bfinUARTISRs) / sizeof(bfinUARTISRs[0]); i++) { + bfin_interrupt_register(&bfinUARTISRs[i]); + bfin_interrupt_enable(&bfinUARTISRs[i], TRUE); + } +#endif + + if (status != RTEMS_SUCCESSFUL) + rtems_fatal_error_occurred(status); + + return RTEMS_SUCCESSFUL; +} + +rtems_device_driver console_open(rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg) { + + return bfin_uart_open(major, minor, arg); +} + +rtems_device_driver console_close(rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg) { + + return rtems_termios_close(arg); +} + +rtems_device_driver console_read(rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg) { + + return rtems_termios_read(arg); +} + +rtems_device_driver console_write(rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg) { + + return rtems_termios_write(arg); +} + +rtems_device_driver console_control(rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg) { + + return rtems_termios_ioctl(arg); +} + |