diff options
Diffstat (limited to 'arch/m68k/atari/debug.c')
| -rw-r--r-- | arch/m68k/atari/debug.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/m68k/atari/debug.c b/arch/m68k/atari/debug.c index 28efdc33c1a..03cb5e08d7c 100644 --- a/arch/m68k/atari/debug.c +++ b/arch/m68k/atari/debug.c @@ -53,9 +53,9 @@ static inline void ata_scc_out(char c) { do { MFPDELAY(); - } while (!(scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */ + } while (!(atari_scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */ MFPDELAY(); - scc.cha_b_data = c; + atari_scc.cha_b_data = c; } static void atari_scc_console_write(struct console *co, const char *str, @@ -140,9 +140,9 @@ int atari_scc_console_wait_key(struct console *co) { do { MFPDELAY(); - } while (!(scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */ + } while (!(atari_scc.cha_b_ctrl & 0x01)); /* wait for rx buf filled */ MFPDELAY(); - return scc.cha_b_data; + return atari_scc.cha_b_data; } int atari_midi_console_wait_key(struct console *co) @@ -185,9 +185,9 @@ static void __init atari_init_mfp_port(int cflag) #define SCC_WRITE(reg, val) \ do { \ - scc.cha_b_ctrl = (reg); \ + atari_scc.cha_b_ctrl = (reg); \ MFPDELAY(); \ - scc.cha_b_ctrl = (val); \ + atari_scc.cha_b_ctrl = (val); \ MFPDELAY(); \ } while (0) @@ -202,7 +202,6 @@ static void __init atari_init_mfp_port(int cflag) static void __init atari_init_scc_port(int cflag) { - extern int atari_SCC_reset_done; static int clksrc_table[9] = /* reg 11: 0x50 = BRG, 0x00 = RTxC, 0x28 = TRxC */ { 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x00, 0x00 }; @@ -240,7 +239,7 @@ static void __init atari_init_scc_port(int cflag) reg3 = (cflag & CSIZE) == CS8 ? 0xc0 : 0x40; reg5 = (cflag & CSIZE) == CS8 ? 0x60 : 0x20 | 0x82 /* assert DTR/RTS */; - (void)scc.cha_b_ctrl; /* reset reg pointer */ + (void)atari_scc.cha_b_ctrl; /* reset reg pointer */ SCC_WRITE(9, 0xc0); /* reset */ LONG_DELAY(); /* extra delay after WR9 access */ SCC_WRITE(4, (cflag & PARENB) ? ((cflag & PARODD) ? 0x01 : 0x03) @@ -288,6 +287,8 @@ static void __init atari_init_midi_port(int cflag) static int __init atari_debug_setup(char *arg) { + bool registered; + if (!MACH_IS_ATARI) return 0; @@ -295,6 +296,7 @@ static int __init atari_debug_setup(char *arg) /* defaults to ser2 for a Falcon and ser1 otherwise */ arg = MACH_IS_FALCON ? "ser2" : "ser1"; + registered = !!atari_console_driver.write; if (!strcmp(arg, "ser1")) { /* ST-MFP Modem1 serial port */ atari_init_mfp_port(B9600|CS8); @@ -318,7 +320,7 @@ static int __init atari_debug_setup(char *arg) sound_ym.wd_data = sound_ym.rd_data_reg_sel | 0x20; /* strobe H */ atari_console_driver.write = atari_par_console_write; } - if (atari_console_driver.write) + if (atari_console_driver.write && !registered) register_console(&atari_console_driver); return 0; |