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m68k: early parameter support

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Add early parameter support and convert current users to it.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roman Zippel
2007-05-01 22:32:45 +02:00
committed by Linus Torvalds
parent f8744bc95d
commit d6713b4091
8 changed files with 81 additions and 110 deletions
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26
arch/m68k/atari/debug.c
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@@ -19,8 +19,6 @@
#include <asm/atarihw.h>
#include <asm/atariints.h>
extern char m68k_debug_device[];
/* Flag that Modem1 port is already initialized and used */
int atari_MFP_init_done;
/* Flag that Modem1 port is already initialized and used */
@@ -305,26 +303,28 @@ void atari_init_midi_port(int cflag)
ACIA_RHTID : ACIA_RLTID);
}
void __init atari_debug_init(void)
static int __init atari_debug_setup(char *arg)
{
if (!strcmp(m68k_debug_device, "ser")) {
/* defaults to ser2 for a Falcon and ser1 otherwise */
strcpy(m68k_debug_device, MACH_IS_FALCON ? "ser2" : "ser1");
}
if (!MACH_IS_ATARI)
return 0;
if (!strcmp(m68k_debug_device, "ser1")) {
if (!strcmp(arg, "ser"))
/* defaults to ser2 for a Falcon and ser1 otherwise */
arg = MACH_IS_FALCON ? "ser2" : "ser1";
if (!strcmp(arg, "ser1")) {
/* ST-MFP Modem1 serial port */
atari_init_mfp_port(B9600|CS8);
atari_console_driver.write = atari_mfp_console_write;
} else if (!strcmp(m68k_debug_device, "ser2")) {
} else if (!strcmp(arg, "ser2")) {
/* SCC Modem2 serial port */
atari_init_scc_port(B9600|CS8);
atari_console_driver.write = atari_scc_console_write;
} else if (!strcmp(m68k_debug_device, "midi")) {
} else if (!strcmp(arg, "midi")) {
/* MIDI port */
atari_init_midi_port(B9600|CS8);
atari_console_driver.write = atari_midi_console_write;
} else if (!strcmp(m68k_debug_device, "par")) {
} else if (!strcmp(arg, "par")) {
/* parallel printer */
atari_turnoff_irq(IRQ_MFP_BUSY); /* avoid ints */
sound_ym.rd_data_reg_sel = 7; /* select mixer control */
@@ -337,4 +337,8 @@ void __init atari_debug_init(void)
}
if (atari_console_driver.write)
register_console(&atari_console_driver);
return 0;
}
early_param("debug", atari_debug_setup);