summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/or32/orp/console/console.c
diff options
context:
space:
mode:
Diffstat (limited to 'c/src/lib/libbsp/or32/orp/console/console.c')
-rw-r--r--c/src/lib/libbsp/or32/orp/console/console.c374
1 files changed, 0 insertions, 374 deletions
diff --git a/c/src/lib/libbsp/or32/orp/console/console.c b/c/src/lib/libbsp/or32/orp/console/console.c
deleted file mode 100644
index 4d32bb6941..0000000000
--- a/c/src/lib/libbsp/or32/orp/console/console.c
+++ /dev/null
@@ -1,374 +0,0 @@
-/*
- * This file contains the template for a console IO package.
- *
- * COPYRIGHT (c) 1989-1999.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.com/license/LICENSE.
- *
- * This file adapted from no_bsp board library of the RTEMS distribution.
- * The body has been modified for the Bender Or1k implementation by
- * Chris Ziomkowski. <chris@asics.ws>
- */
-
-#define BENDER_INIT
-
-#include <bsp.h>
-#include <rtems/libio.h>
-#include "console.h"
-
-static int localEcho;
-static UART_16450* uart = (UART_16450*)0x80000000; /* This is where the simulator puts it */
-
-/* console_initialize
- *
- * This routine initializes the console IO driver.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * Return values:
- */
-
-void (*old_handler)(unsigned int,unsigned int,unsigned int,unsigned int);
-
-void console_interrupt(unsigned int vector,unsigned int pc,
- unsigned int effective_addr, unsigned int status)
-{
- int reason;
- register int pending;
-
- /* First thing's first...is this for us? */
- asm volatile ("l.mfspr %0,r0,0x4802 \n\t" /* Read the PIC status */
- "l.andi %0,%0,0x4 \n\t" : "=r" (pending));
-
- if(pending)
- {
- reason = uart->read.IIR;
-
- switch(reason)
- {
- case 0: /* Interrupt because of modem status */
- break;
- case 2: /* Interrupt because Transmitter empty */
- break;
- case 4: /* Interrupt because Received data available */
- break;
- case 6: /* Interrupt because Status Register */
- break;
- case 12: /* Interrupt because of character timeout (16550 only) */
- break;
- default: /* No interrupt */
- break;
- }
- }
-
- if(old_handler)
- (*old_handler)(vector,pc,effective_addr,status);
-}
-
-rtems_device_driver console_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *arg
-)
-{
- rtems_status_code status;
- int tmp,tmp2;
- uint32_t sr;
- extern uint32_t Or1k_Interrupt_Vectors[16];
-
- /* Make sure the UART (interrupt 2) is enabled and
- reports a low prority interrupt */
- asm volatile ("l.mfspr %0,r0,0x4800 \n\t" /* Get the PIC mask */
- "l.ori %0,%0,0x4 \n\t" /* Enable int 2 */
- "l.mtspr r0,%0,0x4800 \n\t" /* Write back mask */
- "l.mfspr %0,r0,0x4801 \n\t" /* Get priority mask */
- "l.addi %1,r0,-5 \n\t"
- "l.and %0,%0,%1 \n\t" /* Set us to low */
- "l.mtspr r0,%0,0x4801 \n\t" /* Write back to PICPR */
- : "=r" (tmp), "=r" (tmp2));
-
- /* Install the interrupt handler */
- asm volatile ("l.mfspr %0,r0,0x11 \n\t"
- "l.addi %1,r0,-5 \n\t"
- "l.and %1,%1,%0 \n\t"
- "l.mtspr r0,%1,0x11 \n\t": "=&r" (sr) : "r" (tmp));
-
- old_handler = (void(*)(unsigned int,unsigned int,unsigned int,unsigned int))
- Or1k_Interrupt_Vectors[5];
- Or1k_Interrupt_Vectors[5] = (uint32_t)console_interrupt;
-
- asm volatile ("l.mtspr r0,%0,0x11\n\t":: "r" (sr));
-
- /* Assume 1843.2/16 kHz clock */
- uart->latch.LCR = 0x80; /* Set the divisor latch bit */
- uart->latch.DLM = 2; /* 57,600 */
- uart->latch.DLL = 0;
- uart->write.LCR = 0x03; /* 8-N-1 */
- uart->write.MCR = 0x03; /* Assert RTS & DTR */
- /* uart->write.FCR = 0x00; */ /* Make sure we're in 16450 mode... Ignore for 16450 driver */
- uart->write.IER = 0x05; /* Don't worry about TEMT unless we need to. */
-
- tmp = uart->read.LSR; /* Make sure interrupts are cleared */
- tmp = uart->read.RBR; /* Clear the input buffer */
- tmp = uart->read.MSR; /* Clear the modem status register */
-
- localEcho = 1; /* Turn on local echo */
-
- status = rtems_io_register_name(
- "/dev/console",
- major,
- (rtems_device_minor_number) 0
- );
-
- if (status != RTEMS_SUCCESSFUL)
- rtems_fatal_error_occurred(status);
-
- return RTEMS_SUCCESSFUL;
-}
-
-/* is_character_ready
- *
- * This routine returns TRUE if a character is available.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * Return values:
- */
-
-rtems_boolean is_character_ready(
- char *ch
-)
-{
- *ch = '\0'; /* return NULL for no particular reason */
- return(TRUE);
-}
-
-/* inbyte
- *
- * This routine reads a character from the SOURCE.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * Return values:
- * character read from SOURCE
- */
-
-char inbyte( void )
-{
- unsigned int stat;
-
- stat = uart->read.LSR;
- while(!(stat & 0x01)) /* ! Data Ready */
- {
- rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
- stat = uart->read.LSR;
- }
-
- return uart->read.RBR; /* Return the character */
-}
-
-/* outbyte
- *
- * This routine transmits a character out the SOURCE. Flow
- * control is not currently enabled.
- *
- * Input parameters:
- * ch - character to be transmitted
- *
- * Output parameters: NONE
- */
-
-void outbyte(char ch)
-{
- unsigned int stat;
- /*
- * Carriage Return/New line translation.
- */
-
- stat = uart->read.LSR;
- while(!(stat & 0x40)) /* ! TEMT */
- {
- rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
- stat = uart->read.LSR;
- }
-
- uart->write.THR = ch;
- if ( ch == '\n' )
- outbyte( '\r' );
-}
-
-/*
- * Open entry point
- */
-
-rtems_device_driver console_open(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void * arg
-)
-{
- return RTEMS_SUCCESSFUL;
-}
-
-/*
- * Close entry point
- */
-
-rtems_device_driver console_close(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void * arg
-)
-{
- return RTEMS_SUCCESSFUL;
-}
-
-/*
- * read bytes from the serial port. We only have stdin.
- */
-
-rtems_device_driver console_read(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void * arg
-)
-{
- rtems_libio_rw_args_t *rw_args;
- char *buffer;
- int maximum;
- int count = 0;
-
- rw_args = (rtems_libio_rw_args_t *) arg;
-
- buffer = rw_args->buffer;
- maximum = rw_args->count;
-
- for (count = 0; count < maximum; count++)
- {
- buffer[ count ] = inbyte();
-
- if (buffer[ count ] == '\n' || buffer[ count ] == '\r')
- {
- buffer[ count++ ] = '\n';
- if(localEcho)
- outbyte('\n' ); /* newline */
- break; /* Return for a newline */
- }
- else if (buffer[ count ] == '\b' && count > 0 )
- {
- if(localEcho)
- {
- outbyte('\b' ); /* move back one space */
- outbyte(' ' ); /* erase the character */
- outbyte('\b' ); /* move back one space */
- }
- count-=2;
- }
- else if(localEcho)
- outbyte(buffer[ count ]); /* echo the character */
- }
-
- rw_args->bytes_moved = count;
- return (count >= 0) ? RTEMS_SUCCESSFUL : RTEMS_UNSATISFIED;
-}
-
-/*
- * write bytes to the serial port. Stdout and stderr are the same.
- */
-
-rtems_device_driver console_write(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void * arg
-)
-{
- int count;
- int maximum;
- rtems_libio_rw_args_t *rw_args;
- char *buffer;
-
- rw_args = (rtems_libio_rw_args_t *) arg;
-
- buffer = rw_args->buffer;
- maximum = rw_args->count;
-
- for (count = 0; count < maximum; count++) {
- if ( buffer[ count ] == '\n') {
- outbyte('\r');
- }
- outbyte( buffer[ count ] );
- }
-
- rw_args->bytes_moved = maximum;
- return 0;
-}
-
-/*
- * IO Control entry point
- */
-
-rtems_device_driver console_control(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void * arg
-)
-{
- int param,div;
- ConsoleIOCTLRequest* request = (ConsoleIOCTLRequest*)arg;
-
- if (!arg)
- return RTEMS_INVALID_ADDRESS;
-
- switch(request->command)
- {
- case TERM_LOCAL_ECHO:
- param = (int)(request->data);
- if(param < 0 || param > 1)
- return RTEMS_INVALID_NUMBER;
- localEcho = param;
- break;
- case TERM_BIT_RATE:
- param = (int)(request->data);
- switch(param)
- {
- case 50:
- case 150:
- case 300:
- case 600:
- case 1200:
- case 1800:
- case 2000:
- case 2400:
- case 3600:
- case 4800:
- case 7200:
- case 9600:
- case 19200:
- case 38400:
- case 57600:
- case 115200:
- div = 115200/param;
- uart->latch.LCR |= 0x80; /* Set the divisor latch bit */
- uart->latch.DLM = div & 0xFF;
- uart->latch.DLL = div >> 8;
- uart->write.LCR &= 0x7F; /* Clear the divisor latch bit */
- break;
- default:
- return RTEMS_INVALID_NUMBER;
- }
- break;
- default:
- return RTEMS_NOT_CONFIGURED;
- }
-
- return RTEMS_SUCCESSFUL;
-}