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Diffstat (limited to 'c/src/lib/libbsp/m68k/gen68302/console/console.c')
-rw-r--r--c/src/lib/libbsp/m68k/gen68302/console/console.c245
1 files changed, 0 insertions, 245 deletions
diff --git a/c/src/lib/libbsp/m68k/gen68302/console/console.c b/c/src/lib/libbsp/m68k/gen68302/console/console.c
deleted file mode 100644
index 3d73b24c0b..0000000000
--- a/c/src/lib/libbsp/m68k/gen68302/console/console.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Initialize the MC68302 SCC2 for console IO board support package.
- */
-
-/*
- * COPYRIGHT (c) 1989-2014.
- * 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.org/license/LICENSE.
- */
-
-#define GEN68302_INIT
-
-#include <bsp.h>
-#include <rtems/libio.h>
-
-#include <rtems/m68k/m68302.h>
-
-/* console_initialize
- *
- * This routine initializes the console IO driver.
- */
-rtems_device_driver console_initialize(
- rtems_device_major_number major,
- rtems_device_minor_number minor,
- void *arg
-)
-{
- rtems_status_code status;
- volatile m302_dualPortRAM_t *p = &m302;
-
- p->reg.pacnt |= 0x0003; /* enable RXD2 and TXD2 signals */
- /*
- * TODO: Check assembly code. I think gcc's volatile semantics force
- * this to not use a CLR.
- */
- p->reg.simode = 0; /* NMSI mode */
-
- p->reg.scc[1].scon = 0x00d8; /* 9600 baud */
- p->reg.scc[1].scm = 0x01b1;
-
- p->scc2.parm.rfcr = 0x50; /* Rx buffers in supervisor data */
- p->scc2.parm.tfcr = 0x50; /* Tx buffers in supervisor data */
- p->scc2.parm.mrblr = 0x0001; /* Max Rx buffer length is 1 byte */
-
- p->scc2.prot.uart.max_idl = 0x0000; /* 0 = maximum timeout value */
- p->scc2.prot.uart.brkcr = 0x0001; /* send 1 break char on STOP TX cmd */
- p->scc2.prot.uart.parec = 0x0000; /* reset parity error counter */
- p->scc2.prot.uart.frmec = 0x0000; /* reset framing error counter */
- p->scc2.prot.uart.nosec = 0x0000; /* reset noise error counter */
- p->scc2.prot.uart.brkec = 0x0000; /* reset break condition counter */
-
- p->scc2.prot.uart.character[0] = 0x0003; /* use <ctrl>c as control char */
- p->scc2.prot.uart.character[1] = 0x8000; /* set end of cntrl char table */
-
- p->scc2.bd.rx[0].status = 0xA000; /* RxBD0 empty, wrap, no intr */
- p->scc2.bd.rx[0].length = 0x0000;
- p->scc2.bd.rx[0].buffer =
- (uint8_t*) &m302.scc2.bd.rx[1]; /* RxBD1 is Rx buffer */
-
- p->reg.scc[1].dsr = 0x7000; /* set full-length last stop bit */
-
- p->scc2.bd.tx[0].status = 0x3000; /* TxBD0 not ready, wrap, intr */
- p->scc2.bd.tx[0].length = 0x0001;
- p->scc2.bd.tx[0].buffer =
- (uint8_t*) &m302.scc2.bd.tx[1]; /* TxBD1 is Tx buffer */
-
- p->reg.scc[1].scce = 0xFF; /* clear all SCC event flags */
- p->reg.scc[1].sccm = 0x03; /* enable only Tx & Rx interrupts */
- p->reg.scc[1].scm = 0x01BD;
-
- 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;
-
-}
-
-/* inbyte
- *
- * Receive a character from the MC68302's SCC2.
- */
-static char inbyte( void )
-{
- char ch;
-
-#define RXS (m302.scc2.bd.rx[0].status)
-#define RXD (* ((volatile char *) m302.scc2.bd.rx[0].buffer))
-
- do {
- while (RXS & RBIT_HDLC_EMPTY_BIT)
- /* Wait until character received */ ;
-
- ch = RXD;
- RXS = RBIT_HDLC_EMPTY_BIT | RBIT_HDLC_WRAP_BIT;
-
- if (ch == '\r' || ch == '\n')
- break;
- } while (ch < ' ' || ch > '~');
-
- return ch;
-}
-
-/* outbyte
- *
- * Transmit a character out on the MC68302's SCC2.
- * It may support XON/XOFF flow control.
- */
-static void outbyte(
- char ch
-)
-{
-#define TXS (m302.scc2.bd.tx[0].status)
-#define TXD (* ((volatile char *) m302.scc2.bd.tx[0].buffer))
-
-#define RXS (m302.scc2.bd.rx[0].status)
-#define RXD (* ((volatile char *) m302.scc2.bd.rx[0].buffer))
-
- while (TXS & RBIT_HDLC_READY_BIT)
- /* Wait until okay to transmit */ ;
-
- /*
- * Check for flow control requests and process.
- */
- while ( ! (RXS & RBIT_HDLC_EMPTY_BIT)) {
- if (RXD == XOFF) {
- do {
- RXS = RBIT_HDLC_EMPTY_BIT | RBIT_HDLC_WRAP_BIT;
- while (RXS & RBIT_HDLC_EMPTY_BIT)
- /* Wait until character received */ ;
- } while (RXD != XON);
- RXS = RBIT_HDLC_EMPTY_BIT | RBIT_HDLC_WRAP_BIT;
- }
- }
-
- TXD = ch;
- TXS = RBIT_HDLC_READY_BIT | RBIT_HDLC_WRAP_BIT;
- 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';
- break;
- }
- }
-
- 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
-)
-{
- return RTEMS_SUCCESSFUL;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 21:43:33 +0000