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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/mn10300/dv-mn103ser.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'sim/mn10300/dv-mn103ser.c')
-rw-r--r--sim/mn10300/dv-mn103ser.c413
1 files changed, 0 insertions, 413 deletions
diff --git a/sim/mn10300/dv-mn103ser.c b/sim/mn10300/dv-mn103ser.c
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--- a/sim/mn10300/dv-mn103ser.c
+++ /dev/null
@@ -1,413 +0,0 @@
-/* This file is part of the program GDB, the GNU debugger.
-
- Copyright (C) 1998 Free Software Foundation, Inc.
- Contributed by Cygnus Solutions.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- */
-
-#include "sim-main.h"
-#include "hw-main.h"
-
-/* DEVICE
-
-
- mn103ser - mn103002 serial devices 0, 1 and 2.
-
-
- DESCRIPTION
-
- Implements the mn103002 serial interfaces as described in the
- mn103002 user guide.
-
-
- PROPERTIES
-
- reg = <serial-addr> <serial-size>
-
-
- BUGS
-
- */
-
-
-/* The serial devices' registers' address block */
-
-struct mn103ser_block {
- unsigned_word base;
- unsigned_word bound;
-};
-
-
-
-enum serial_register_types {
- SC0CTR,
- SC0ICR,
- SC0TXB,
- SC0RXB,
- SC0STR,
- SC1CTR,
- SC1ICR,
- SC1TXB,
- SC1RXB,
- SC1STR,
- SC2CTR,
- SC2ICR,
- SC2TXB,
- SC2RXB,
- SC2STR,
-};
-
-
-struct mn103ser {
- struct mn103ser_block block;
-};
-
-/* output port ID's */
-
-/* for mn103002 */
-enum {
- SERIAL0_RECEIVE,
- SERIAL0_SEND,
- SERIAL1_RECEIVE,
- SERIAL1_SEND,
- SERIAL2_RECEIVE,
- SERIAL2_SEND,
-};
-
-
-static const struct hw_port_descriptor mn103ser_ports[] = {
-
- { "serial-0-receive", SERIAL0_RECEIVE, 0, output_port, },
- { "serial-0-transmit", SERIAL0_SEND, 0, output_port, },
- { "serial-1-receive", SERIAL1_RECEIVE, 0, output_port, },
- { "serial-1-transmit", SERIAL1_SEND, 0, output_port, },
- { "serial-2-receive", SERIAL2_RECEIVE, 0, output_port, },
- { "serial-2-transmit", SERIAL2_SEND, 0, output_port, },
-
- { NULL, },
-};
-
-
-
-/* Finish off the partially created hw device. Attach our local
- callbacks. Wire up our port names etc */
-
-static hw_io_read_buffer_method mn103ser_io_read_buffer;
-static hw_io_write_buffer_method mn103ser_io_write_buffer;
-
-static void
-attach_mn103ser_regs (struct hw *me,
- struct mn103ser *serial)
-{
- unsigned_word attach_address;
- int attach_space;
- unsigned attach_size;
- reg_property_spec reg;
-
- if (hw_find_property (me, "reg") == NULL)
- hw_abort (me, "Missing \"reg\" property");
-
- if (!hw_find_reg_array_property (me, "reg", 0, &reg))
- hw_abort (me, "\"reg\" property must contain three addr/size entries");
- hw_unit_address_to_attach_address (hw_parent (me),
- &reg.address,
- &attach_space,
- &attach_address,
- me);
- serial->block.base = attach_address;
- hw_unit_size_to_attach_size (hw_parent (me),
- &reg.size,
- &attach_size, me);
- serial->block.bound = attach_address + (attach_size - 1);
- hw_attach_address (hw_parent (me),
- 0,
- attach_space, attach_address, attach_size,
- me);
-}
-
-static void
-mn103ser_finish (struct hw *me)
-{
- struct mn103ser *serial;
- int i;
-
- serial = HW_ZALLOC (me, struct mn103ser);
- set_hw_data (me, serial);
- set_hw_io_read_buffer (me, mn103ser_io_read_buffer);
- set_hw_io_write_buffer (me, mn103ser_io_write_buffer);
- set_hw_ports (me, mn103ser_ports);
-
- /* Attach ourself to our parent bus */
- attach_mn103ser_regs (me, serial);
-
- /* Initialize the serial device registers. */
-}
-
-
-/* read and write */
-
-static int
-decode_addr (struct hw *me,
- struct mn103ser *serial,
- unsigned_word address)
-{
- unsigned_word offset;
- offset = address - serial->block.base;
-
- switch (offset)
- {
- case 0x00: return SC0CTR;
- case 0x04: return SC0ICR;
- case 0x08: return SC0TXB;
- case 0x09: return SC0RXB;
- case 0x0C: return SC0STR;
- case 0x10: return SC1CTR;
- case 0x14: return SC1ICR;
- case 0x18: return SC1TXB;
- case 0x19: return SC1RXB;
- case 0x1C: return SC1STR;
- case 0x20: return SC2CTR;
- case 0x24: return SC2ICR;
- case 0x28: return SC2TXB;
- case 0x29: return SC2RXB;
- case 0x2C: return SC2STR;
- default:
- {
- hw_abort (me, "bad address");
- return -1;
- }
- }
-}
-
-static void
-read_control_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- void *dest,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-read_intmode_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- void *dest,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-read_txb (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- void *dest,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-read_rxb (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- void *dest,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-read_status_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- void *dest,
- unsigned nr_bytes)
-{
-}
-
-
-static unsigned
-mn103ser_io_read_buffer (struct hw *me,
- void *dest,
- int space,
- unsigned_word base,
- unsigned nr_bytes)
-{
- struct mn103ser *serial = hw_data (me);
- enum serial_register_types serial_reg;
- HW_TRACE ((me, "read 0x%08lx %d", (long) base, (int) nr_bytes));
-
- serial_reg = decode_addr (me, serial, base);
- switch (serial_reg)
- {
- /* control registers */
- case SC0CTR:
- case SC1CTR:
- case SC2CTR:
- read_control_reg(me, serial, base, dest, nr_bytes);
- break;
-
- /* interrupt mode registers */
- case SC0ICR:
- case SC1ICR:
- case SC2ICR:
- read_intmode_reg(me, serial, base, dest, nr_bytes);
- break;
-
- /* transmission buffers */
- case SC0TXB:
- case SC1TXB:
- case SC2TXB:
- read_txb(me, serial, base, dest, nr_bytes);
- break;
-
- /* reception buffers */
- case SC0RXB:
- case SC1RXB:
- case SC2RXB:
- read_rxb(me, serial, base, dest, nr_bytes);
- break;
-
- /* status registers */
- case SC0STR:
- case SC1STR:
- case SC2STR:
- read_status_reg(me, serial, base, dest, nr_bytes);
- break;
-
- default:
- hw_abort(me, "invalid address");
- }
-
- return nr_bytes;
-}
-
-
-static void
-write_control_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- const void *source,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-write_intmode_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- const void *source,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-write_txb (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- const void *source,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-write_rxb (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- const void *source,
- unsigned nr_bytes)
-{
-}
-
-
-static void
-write_status_reg (struct hw *me,
- struct mn103ser *serial,
- unsigned_word addr,
- const void *source,
- unsigned nr_bytes)
-{
-}
-
-
-static unsigned
-mn103ser_io_write_buffer (struct hw *me,
- const void *source,
- int space,
- unsigned_word base,
- unsigned nr_bytes)
-{
- struct mn103ser *serial = hw_data (me);
- enum serial_register_types serial_reg;
- HW_TRACE ((me, "write 0x%08lx %d", (long) base, (int) nr_bytes));
-
- serial_reg = decode_addr (me, serial, base);
- switch (serial_reg)
- {
- /* control registers */
- case SC0CTR:
- case SC1CTR:
- case SC2CTR:
- write_control_reg(me, serial, base, source, nr_bytes);
- break;
-
- /* interrupt mode registers */
- case SC0ICR:
- case SC1ICR:
- case SC2ICR:
- write_intmode_reg(me, serial, base, source, nr_bytes);
- break;
-
- /* transmission buffers */
- case SC0TXB:
- case SC1TXB:
- case SC2TXB:
- write_txb(me, serial, base, source, nr_bytes);
- break;
-
- /* reception buffers */
- case SC0RXB:
- case SC1RXB:
- case SC2RXB:
- write_rxb(me, serial, base, source, nr_bytes);
- break;
-
- /* status registers */
- case SC0STR:
- case SC1STR:
- case SC2STR:
- write_status_reg(me, serial, base, source, nr_bytes);
- break;
-
- default:
- hw_abort(me, "invalid address");
- }
-
- return nr_bytes;
-}
-
-
-const struct hw_descriptor dv_mn103ser_descriptor[] = {
- { "mn103ser", mn103ser_finish, },
- { NULL },
-};