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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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17
arch/m68k/atari/config.c
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@@ -69,9 +69,6 @@ extern int atari_tt_hwclk (int, struct rtc_time *);
extern int atari_mste_set_clock_mmss (unsigned long);
extern int atari_tt_set_clock_mmss (unsigned long);
/* atari specific debug functions (in debug.c) */
extern void atari_debug_init(void);
/* ++roman: This is a more elaborate test for an SCC chip, since the plain
* Medusa board generates DTACK at the SCC's standard addresses, but a SCC
@@ -137,15 +134,18 @@ int __init atari_parse_bootinfo(const struct bi_record *record)
/* Parse the Atari-specific switches= option. */
void __init atari_switches_setup(const char *str, unsigned len)
static int __init atari_switches_setup(char *str)
{
char switches[len+1];
char switches[strlen(str) + 1];
char *p;
int ovsc_shift;
char *args = switches;
if (!MACH_IS_ATARI)
return 0;
/* copy string to local array, strsep works destructively... */
strlcpy(switches, str, sizeof(switches));
strcpy(switches, str);
atari_switches = 0;
/* parse the options */
@@ -170,8 +170,11 @@ void __init atari_switches_setup(const char *str, unsigned len)
atari_switches |= ATARI_SWITCH_SND7 << ovsc_shift;
}
}
return 0;
}
early_param("switches", atari_switches_setup);
/*
* Setup the Atari configuration info
@@ -183,8 +186,6 @@ void __init config_atari(void)
memset(&atari_hw_present, 0, sizeof(atari_hw_present));
atari_debug_init();
/* Change size of I/O space from 64KB to 4GB. */
ioport_resource.end = 0xFFFFFFFF;