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/*
*
* BRIEF MODULE DESCRIPTION
* Galileo EV96100 setup.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or support@mvista.com
*
* This file was derived from Carsten Langgaard's
* arch/mips/mips-boards/atlas/atlas_setup.c.
*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
*
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/mc146818rtc.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/galileo-boards/ev96100.h>
#include <asm/galileo-boards/ev96100int.h>
#include <asm/mipsregs.h>
#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE)
extern void console_setup(char *, int *);
char serial_console[20];
#endif
#ifdef CONFIG_REMOTE_DEBUG
extern void rs_kgdb_hook(int);
extern void saa9730_kgdb_hook(void);
extern void breakpoint(void);
static int remote_debug = 0;
static int kgdb_on_pci = 0;
#endif
void (*board_time_init) (struct irqaction * irq);
extern void ev96100_time_init(struct irqaction *irq);
extern void mips_reboot_setup(void);
extern struct rtc_ops ev96100_rtc_ops;
extern struct resource ioport_resource;
static void __init ev96100_irq_setup(void)
{
puts("ev96100_irq_setup");
init_IRQ();
#ifdef CONFIG_REMOTE_DEBUG
/* If local serial I/O used for debug port, enter kgdb at once */
/* Otherwise, this will be done after the SAA9730 is up */
if (remote_debug && !kgdb_on_pci) {
set_debug_traps();
breakpoint();
}
#endif
}
void __init ev96100_setup(void)
{
unsigned long mem_size, free_start, free_end, start_pfn,
bootmap_size;
#ifdef CONFIG_REMOTE_DEBUG
int rs_putDebugChar(char);
char rs_getDebugChar(void);
int saa9730_putDebugChar(char);
char saa9730_getDebugChar(void);
extern int (*putDebugChar) (char);
extern char (*getDebugChar) (void);
#endif
char *argptr;
irq_setup = ev96100_irq_setup;
puts("ev96100_setup");
puts("config reg:");
put32(read_32bit_cp0_register(CP0_CONFIG));
puts("");
#ifdef CONFIG_SERIAL_CONSOLE
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) {
int i = 0;
char *s = prom_getenv("modetty0");
while (s[i] >= '0' && s[i] <= '9')
i++;
strcpy(serial_console, "ttyS0,");
strncpy(serial_console + 6, s, i);
//prom_printf("Config serial console: %s\n", serial_console);
puts("Config serial console: %s\n", serial_console);
console_setup(serial_console, NULL);
}
#endif
#ifdef CONFIG_REMOTE_DEBUG
argptr = prom_getcmdline();
if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
int line;
argptr += strlen("kgdb=ttyS");
if (*argptr != '0' && *argptr != '1')
printk("KGDB: Uknown serial line /dev/ttyS%c, "
"falling back to /dev/ttyS1\n", *argptr);
line = *argptr == '0' ? 0 : 1;
printk("KGDB: Using serial line /dev/ttyS%d for session\n",
line ? 1 : 0);
if (line == 0) {
rs_kgdb_hook(line);
putDebugChar = rs_putDebugChar;
getDebugChar = rs_getDebugChar;
} else {
saa9730_kgdb_hook();
putDebugChar = saa9730_putDebugChar;
getDebugChar = saa9730_getDebugChar;
kgdb_on_pci = 1;
}
prom_printf
("KGDB: Using serial line /dev/ttyS%d for session, "
"please connect your debugger\n", line ? 1 : 0);
remote_debug = 1;
/* Breakpoints and stuff are in ev96100_irq_setup() */
}
#endif
argptr = prom_getcmdline();
board_time_init = ev96100_time_init;
rtc_ops = &ev96100_rtc_ops;
mips_reboot_setup();
/*
* reassign the start and end from the statically defined start and
* end in kernel/resource.
*/
ioport_resource.start = GT_PCI_IO_BASE;
//ioport_resource.end = GT_PCI_IO_BASE + GT_PCI_IO_SIZE;
ioport_resource.end = 0xB1FFFFFF; /* what a hack! */
}
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