diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/amiga/config.c | 41 | ||||
| -rw-r--r-- | arch/m68k/atari/config.c | 17 | ||||
| -rw-r--r-- | arch/m68k/atari/debug.c | 24 | ||||
| -rw-r--r-- | arch/m68k/kernel/setup.c | 39 | ||||
| -rw-r--r-- | arch/m68k/mac/config.c | 8 | ||||
| -rw-r--r-- | arch/m68k/mac/debug.c | 20 | ||||
| -rw-r--r-- | arch/m68k/q40/config.c | 23 | ||||
| -rw-r--r-- | arch/m68k/sun3x/prom.c | 11 |
8 files changed, 77 insertions, 106 deletions
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index c3b69b1b0ce..35748531327 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -79,8 +79,6 @@ static char *amiga_models[] __initdata = { static char amiga_model_name[13] = "Amiga "; -extern char m68k_debug_device[]; - static void amiga_sched_init(irq_handler_t handler); /* amiga specific irq functions */ extern void amiga_init_IRQ(void); @@ -95,12 +93,10 @@ static unsigned int amiga_get_ss(void); extern void amiga_mksound(unsigned int count, unsigned int ticks); static void amiga_reset(void); extern void amiga_init_sound(void); -static void amiga_savekmsg_init(void); static void amiga_mem_console_write(struct console *co, const char *b, unsigned int count); void amiga_serial_console_write(struct console *co, const char *s, unsigned int count); -static void amiga_debug_init(void); #ifdef CONFIG_HEARTBEAT static void amiga_heartbeat(int on); #endif @@ -370,7 +366,6 @@ void __init config_amiga(void) { int i; - amiga_debug_init(); amiga_identify(); /* Yuk, we don't have PCI memory */ @@ -458,17 +453,6 @@ void __init config_amiga(void) /* initialize chipram allocator */ amiga_chip_init(); - /* debugging using chipram */ - if (!strcmp(m68k_debug_device, "mem")) { - if (!AMIGAHW_PRESENT(CHIP_RAM)) - printk("Warning: no chipram present for debugging\n"); - else { - amiga_savekmsg_init(); - amiga_console_driver.write = amiga_mem_console_write; - register_console(&amiga_console_driver); - } - } - /* our beloved beeper */ if (AMIGAHW_PRESENT(AMI_AUDIO)) amiga_init_sound(); @@ -787,17 +771,33 @@ static void amiga_mem_console_write(struct console *co, const char *s, } } -static void amiga_savekmsg_init(void) +static int __init amiga_savekmsg_setup(char *arg) { static struct resource debug_res = { .name = "Debug" }; + if (!MACH_IS_AMIGA || strcmp(arg, "mem")) + goto done; + + if (!AMIGAHW_PRESENT(CHIP_RAM)) { + printk("Warning: no chipram present for debugging\n"); + goto done; + } + savekmsg = amiga_chip_alloc_res(SAVEKMSG_MAXMEM, &debug_res); savekmsg->magic1 = SAVEKMSG_MAGIC1; savekmsg->magic2 = SAVEKMSG_MAGIC2; savekmsg->magicptr = ZTWO_PADDR(savekmsg); savekmsg->size = 0; + + amiga_console_driver.write = amiga_mem_console_write; + register_console(&amiga_console_driver); + +done: + return 0; } +early_param("debug", amiga_savekmsg_setup); + static void amiga_serial_putc(char c) { amiga_custom.serdat = (unsigned char)c | 0x100; @@ -872,15 +872,18 @@ void amiga_serial_gets(struct console *co, char *s, int len) } #endif -static void __init amiga_debug_init(void) +static int __init amiga_debug_setup(char *arg) { - if (!strcmp(m68k_debug_device, "ser" )) { + if (MACH_IS_AMIGA && !strcmp(arg, "ser")) { /* no initialization required (?) */ amiga_console_driver.write = amiga_serial_console_write; register_console(&amiga_console_driver); } + return 0; } +early_param("debug", amiga_debug_setup); + #ifdef CONFIG_HEARTBEAT static void amiga_heartbeat(int on) { diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c index b10e7addae5..e40e5dcaa34 100644 --- a/arch/m68k/atari/config.c +++ b/arch/m68k/atari/config.c @@ -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; diff --git a/arch/m68k/atari/debug.c b/arch/m68k/atari/debug.c index 66983fe8750..fbeed8c8ecb 100644 --- a/arch/m68k/atari/debug.c +++ b/arch/m68k/atari/debug.c @@ -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")) { + if (!MACH_IS_ATARI) + return 0; + + if (!strcmp(arg, "ser")) /* defaults to ser2 for a Falcon and ser1 otherwise */ - strcpy(m68k_debug_device, MACH_IS_FALCON ? "ser2" : "ser1"); - } + arg = MACH_IS_FALCON ? "ser2" : "ser1"; - if (!strcmp(m68k_debug_device, "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); diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index 852cefe7c80..9b307a5f4f2 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -71,9 +71,6 @@ static struct mem_info m68k_ramdisk; static char m68k_command_line[CL_SIZE]; -char m68k_debug_device[6] = ""; -EXPORT_SYMBOL(m68k_debug_device); - void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL; /* machine dependent irq functions */ void (*mach_init_IRQ) (void) __initdata = NULL; @@ -215,7 +212,6 @@ void __init setup_arch(char **cmdline_p) unsigned long endmem, startmem; #endif int i; - char *p, *q; /* The bootinfo is located right after the kernel bss */ m68k_parse_bootinfo((const struct bi_record *)&_end); @@ -258,40 +254,7 @@ void __init setup_arch(char **cmdline_p) *cmdline_p = m68k_command_line; memcpy(boot_command_line, *cmdline_p, CL_SIZE); - /* Parse the command line for arch-specific options. - * For the m68k, this is currently only "debug=xxx" to enable printing - * certain kernel messages to some machine-specific device. - */ - for (p = *cmdline_p; p && *p;) { - i = 0; - if (!strncmp(p, "debug=", 6)) { - strlcpy(m68k_debug_device, p+6, sizeof(m68k_debug_device)); - q = strchr(m68k_debug_device, ' '); - if (q) - *q = 0; - i = 1; - } -#ifdef CONFIG_ATARI - /* This option must be parsed very early */ - if (!strncmp(p, "switches=", 9)) { - extern void atari_switches_setup(const char *, int); - q = strchr(p + 9, ' '); - atari_switches_setup(p + 9, q ? (q - (p + 9)) : strlen(p + 9)); - i = 1; - } -#endif - - if (i) { - /* option processed, delete it */ - if ((q = strchr(p, ' '))) - strcpy(p, q + 1); - else - *p = 0; - } else { - if ((p = strchr(p, ' '))) - ++p; - } - } + parse_early_param(); #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index d2fbf436a1f..5fd413246f8 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -82,10 +82,6 @@ extern void mac_mksound(unsigned int, unsigned int); extern void nubus_sweep_video(void); -/* Mac specific debug functions (in debug.c) */ -extern void mac_debug_init(void); -extern void mac_debugging_long(int, long); - static void mac_get_model(char *str); static void mac_sched_init(irq_handler_t vector) @@ -180,9 +176,6 @@ void __init config_mac(void) mach_halt = mac_poweroff; mach_power_off = mac_poweroff; mach_max_dma_address = 0xffffffff; -#if 0 - mach_debug_init = mac_debug_init; -#endif #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) mach_beep = mac_mksound; #endif @@ -802,7 +795,6 @@ void mac_identify(void) /* the serial ports set to "Faster" mode in MacOS. */ iop_preinit(); - mac_debug_init(); printk(KERN_INFO "Detected Macintosh model: %d \n", model); diff --git a/arch/m68k/mac/debug.c b/arch/m68k/mac/debug.c index 83990326099..7a5bed5bdc5 100644 --- a/arch/m68k/mac/debug.c +++ b/arch/m68k/mac/debug.c @@ -27,10 +27,6 @@ #include <asm/machw.h> #include <asm/macints.h> -extern char m68k_debug_device[]; - -extern struct compat_bootinfo compat_boot_info; - extern unsigned long mac_videobase; extern unsigned long mac_videodepth; extern unsigned long mac_rowbytes; @@ -360,16 +356,18 @@ void mac_init_sccb_port(int cflag) mac_init_scc_port(cflag, 1); } -void __init mac_debug_init(void) +static int __init mac_debug_setup(char *arg) { + if (!MACH_IS_MAC) + return 0; + #ifdef DEBUG_SERIAL - if (!strcmp(m68k_debug_device, "ser") || - !strcmp(m68k_debug_device, "ser1")) { + if (!strcmp(arg, "ser") || !strcmp(arg, "ser1")) { /* Mac modem port */ mac_init_scc_port(B9600|CS8, 0); mac_console_driver.write = mac_scca_console_write; scc_port = 0; - } else if (!strcmp(m68k_debug_device, "ser2")) { + } else if (!strcmp(arg, "ser2")) { /* Mac printer port */ mac_init_scc_port(B9600|CS8, 1); mac_console_driver.write = mac_sccb_console_write; @@ -377,12 +375,14 @@ void __init mac_debug_init(void) } #endif #ifdef DEBUG_HEADS - if (!strcmp(m68k_debug_device, "scn") || - !strcmp(m68k_debug_device, "con")) { + if (!strcmp(arg, "scn") || !strcmp(arg, "con")) { /* display, using head.S console routines */ mac_console_driver.write = mac_debug_console_write; } #endif if (mac_console_driver.write) register_console(&mac_console_driver); + return 0; } + +early_param("debug", mac_debug_setup); diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c index 4c5b9e4e98b..476e18eca75 100644 --- a/arch/m68k/q40/config.c +++ b/arch/m68k/q40/config.c @@ -54,7 +54,6 @@ void q40_set_vectors(void); extern void q40_mksound(unsigned int /*freq*/, unsigned int /*ticks*/); -extern char m68k_debug_device[]; static void q40_mem_console_write(struct console *co, const char *b, unsigned int count); @@ -62,6 +61,7 @@ extern int ql_ticks; static struct console q40_console_driver = { .name = "debug", + .write = q40_mem_console_write, .flags = CON_PRINTBUFFER, .index = -1, }; @@ -85,6 +85,19 @@ static void q40_mem_console_write(struct console *co, const char *s, } } +static int __init q40_debug_setup(char *arg) +{ + /* useful for early debugging stages - writes kernel messages into SRAM */ + if (MACH_IS_Q40 && !strncmp(arg, "mem", 3)) { + /*printk("using NVRAM debug, q40_mem_cptr=%p\n",q40_mem_cptr);*/ + _cpleft = 2000 - ((long)q40_mem_cptr-0xff020000) / 4; + register_console(&q40_console_driver); + } + return 0; +} + +early_param("debug", q40_debug_setup); + #if 0 void printq40(char *str) { @@ -194,14 +207,6 @@ void __init config_q40(void) * all physical RAM fits into the boundary - otherwise * allocator may play costly and useless tricks */ mach_max_dma_address = 1024*1024*1024; - - /* useful for early debugging stages - writes kernel messages into SRAM */ - if (!strncmp( m68k_debug_device,"mem", 3)) { - /*printk("using NVRAM debug, q40_mem_cptr=%p\n",q40_mem_cptr);*/ - _cpleft = 2000 - ((long)q40_mem_cptr-0xff020000) / 4; - q40_console_driver.write = q40_mem_console_write; - register_console(&q40_console_driver); - } } diff --git a/arch/m68k/sun3x/prom.c b/arch/m68k/sun3x/prom.c index f23d4255a6f..48f8eb7b156 100644 --- a/arch/m68k/sun3x/prom.c +++ b/arch/m68k/sun3x/prom.c @@ -73,8 +73,6 @@ void sun3x_reboot(void) (*romvec->pv_reboot)("vmlinux"); } -extern char m68k_debug_device[]; - static void sun3x_prom_write(struct console *co, const char *s, unsigned int count) { @@ -119,13 +117,18 @@ void sun3x_prom_init(void) * XXX this is futile since we restore the vbr first - oops */ vectors[VEC_TRAP14] = sun3x_prom_abort; +} +static int __init sun3x_debug_setup(char *arg) +{ /* If debug=prom was specified, start the debug console */ - - if (!strcmp(m68k_debug_device, "prom")) + if (MACH_IS_SUN3X && !strcmp(arg, "prom")) register_console(&sun3x_debug); + return 0; } +early_param("debug", sun3x_debug_setup); + /* some prom functions to export */ int prom_getintdefault(int node, char *property, int deflt) { |