patch-2.2.11 linux/arch/mips/sgi/kernel/setup.c
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- Lines: 197
- Date:
Mon Aug 9 12:04:38 1999
- Orig file:
v2.2.10/linux/arch/mips/sgi/kernel/setup.c
- Orig date:
Mon Oct 26 09:57:55 1998
diff -u --recursive --new-file v2.2.10/linux/arch/mips/sgi/kernel/setup.c linux/arch/mips/sgi/kernel/setup.c
@@ -1,4 +1,4 @@
-/* $Id: setup.c,v 1.13 1998/09/16 22:50:46 ralf Exp $
+/* $Id: setup.c,v 1.24 1999/06/12 17:26:15 ulfc Exp $
*
* setup.c: SGI specific setup, including init of the feature struct.
*
@@ -14,6 +14,7 @@
#include <linux/console.h>
#include <linux/sched.h>
#include <linux/mc146818rtc.h>
+#include <linux/pc_keyb.h>
#include <asm/addrspace.h>
#include <asm/bcache.h>
@@ -25,16 +26,55 @@
#include <asm/sgimc.h>
#include <asm/sgihpc.h>
#include <asm/sgint23.h>
+#include <asm/gdb-stub.h>
-extern int serial_console; /* in sgiserial.c */
+#ifdef CONFIG_REMOTE_DEBUG
+extern void rs_kgdb_hook(int);
+extern void breakpoint(void);
+#endif
+
+#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE)
+extern void console_setup(char *, int *);
+#endif
extern struct rtc_ops indy_rtc_ops;
void indy_reboot_setup(void);
+void sgi_volume_set(unsigned char);
-static volatile struct hpc_keyb *sgi_kh = (struct hpc_keyb *) (KSEG1 + 0x1fbd9800 + 64);
+static int remote_debug = 0;
+
+#define sgi_kh ((struct hpc_keyb *) (KSEG1 + 0x1fbd9800 + 64))
#define KBD_STAT_IBF 0x02 /* Keyboard input buffer full */
+static void sgi_request_region(void)
+{
+ /* No I/O ports are being used on the Indy. */
+}
+
+static int sgi_request_irq(void (*handler)(int, void *, struct pt_regs *))
+{
+ /* Dirty hack, this get's called as a callback from the keyboard
+ driver. We piggyback the initialization of the front panel
+ button handling on it even though they're technically not
+ related with the keyboard driver in any way. Doing it from
+ indy_setup wouldn't work since kmalloc isn't initialized yet. */
+ indy_reboot_setup();
+
+ return request_irq(SGI_KEYBOARD_IRQ, handler, 0, "keyboard", NULL);
+}
+
+static int sgi_aux_request_irq(void (*handler)(int, void *, struct pt_regs *))
+{
+ /* Nothing to do, interrupt is shared with the keyboard hw */
+ return 0;
+}
+
+static void sgi_aux_free_irq(void)
+{
+ /* Nothing to do, interrupt is shared with the keyboard hw */
+}
+
static unsigned char sgi_read_input(void)
{
return sgi_kh->data;
@@ -65,27 +105,28 @@
return sgi_kh->command;
}
-__initfunc(static void sgi_keyboard_setup(void))
-{
- kbd_read_input = sgi_read_input;
- kbd_write_output = sgi_write_output;
- kbd_write_command = sgi_write_command;
- kbd_read_status = sgi_read_status;
-
- request_irq(SGI_KEYBOARD_IRQ, keyboard_interrupt,
- 0, "keyboard", NULL);
-
- /* Dirty hack, this get's called as a callback from the keyboard
- driver. We piggyback the initialization of the front panel
- button handling on it even though they're technically not
- related with the keyboard driver in any way. Doing it from
- indy_setup wouldn't work since kmalloc isn't initialized yet. */
- indy_reboot_setup();
-}
+struct kbd_ops sgi_kbd_ops = {
+ sgi_request_region,
+ sgi_request_irq,
+
+ sgi_aux_request_irq,
+ sgi_aux_free_irq,
+
+ sgi_read_input,
+ sgi_write_output,
+ sgi_write_command,
+ sgi_read_status
+};
__initfunc(static void sgi_irq_setup(void))
{
sgint_init();
+
+#ifdef CONFIG_REMOTE_DEBUG
+ if (remote_debug)
+ set_debug_traps();
+ breakpoint(); /* you may move this line to whereever you want :-) */
+#endif
}
__initfunc(void sgi_setup(void))
@@ -93,9 +134,12 @@
#ifdef CONFIG_SERIAL_CONSOLE
char *ctype;
#endif
+#ifdef CONFIG_REMOTE_DEBUG
+ char *kgdb_ttyd;
+#endif
+
irq_setup = sgi_irq_setup;
- keyboard_setup = sgi_keyboard_setup;
/* Init the INDY HPC I/O controller. Need to call this before
* fucking with the memory controller because it needs to know the
@@ -115,23 +159,55 @@
* line and "d2" for the second serial line.
*/
ctype = prom_getenv("console");
- serial_console = 0;
if(*ctype == 'd') {
if(*(ctype+1)=='2')
- serial_console = 1;
+ console_setup ("ttyS1", NULL);
else
- serial_console = 2;
- if(!serial_console) {
- prom_printf("Weird console env setting %s\n", ctype);
- prom_printf("Press a key to reboot.\n");
- prom_getchar();
- prom_imode();
- }
+ console_setup ("ttyS0", NULL);
+ }
+#endif
+
+#ifdef CONFIG_REMOTE_DEBUG
+ kgdb_ttyd = prom_getcmdline();
+ if ((kgdb_ttyd = strstr(kgdb_ttyd, "kgdb=ttyd")) != NULL) {
+ int line;
+ kgdb_ttyd += strlen("kgdb=ttyd");
+ if (*kgdb_ttyd != '1' && *kgdb_ttyd != '2')
+ printk("KGDB: Uknown serial line /dev/ttyd%c, "
+ "falling back to /dev/ttyd1\n", *kgdb_ttyd);
+ line = *kgdb_ttyd == '2' ? 0 : 1;
+ printk("KGDB: Using serial line /dev/ttyd%d for session\n",
+ line ? 1 : 2);
+ rs_kgdb_hook(line);
+
+ prom_printf("KGDB: Using serial line /dev/ttyd%d for session, "
+ "please connect your debugger\n", line ? 1 : 2);
+
+ remote_debug = 1;
+ /* Breakpoints and stuff are in sgi_irq_setup() */
}
#endif
+#ifdef CONFIG_SGI_PROM_CONSOLE
+ console_setup("ttyS0", NULL);
+#endif
+
+ sgi_volume_set(simple_strtoul(prom_getenv("volume"), NULL, 10));
+
#ifdef CONFIG_VT
+#ifdef CONFIG_SGI_NEWPORT_CONSOLE
conswitchp = &newport_con;
+#else
+ conswitchp = &dummy_con;
+#endif
#endif
+
rtc_ops = &indy_rtc_ops;
+ kbd_ops = &sgi_kbd_ops;
+#ifdef CONFIG_PSMOUSE
+ aux_device_present = 0xaa;
+#endif
+#ifdef CONFIG_VIDEO_VINO
+ init_vino();
+#endif
}
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