1 /* 1 /*
2 * linux/arch/m68k/atari/debug.c 2 * linux/arch/m68k/atari/debug.c
3 * 3 *
4 * Atari debugging and serial console stuff 4 * Atari debugging and serial console stuff
5 * 5 *
6 * Assembled of parts of former atari/config.c 6 * Assembled of parts of former atari/config.c 97-12-18 by Roman Hodek
7 * !! 7 *
8 * This file is subject to the terms and condi 8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file COPYING in the main 9 * License. See the file COPYING in the main directory of this archive
10 * for more details. 10 * for more details.
11 */ 11 */
12 12
>> 13 #include <linux/config.h>
13 #include <linux/types.h> 14 #include <linux/types.h>
14 #include <linux/tty.h> 15 #include <linux/tty.h>
15 #include <linux/console.h> 16 #include <linux/console.h>
16 #include <linux/init.h> 17 #include <linux/init.h>
17 #include <linux/delay.h> 18 #include <linux/delay.h>
18 #include <linux/module.h> <<
19 19
20 #include <asm/atarihw.h> 20 #include <asm/atarihw.h>
21 #include <asm/atariints.h> 21 #include <asm/atariints.h>
22 22
>> 23 extern char m68k_debug_device[];
>> 24
>> 25 /* Flag that Modem1 port is already initialized and used */
>> 26 int atari_MFP_init_done = 0;
>> 27 /* Flag that Modem1 port is already initialized and used */
>> 28 int atari_SCC_init_done = 0;
23 /* Can be set somewhere, if a SCC master reset 29 /* Can be set somewhere, if a SCC master reset has already be done and should
24 * not be repeated; used by kgdb */ 30 * not be repeated; used by kgdb */
25 int atari_SCC_reset_done; !! 31 int atari_SCC_reset_done = 0;
26 EXPORT_SYMBOL(atari_SCC_reset_done); <<
27 32
28 static struct console atari_console_driver = { 33 static struct console atari_console_driver = {
29 .name = "debug", !! 34 .name = "debug",
30 .flags = CON_PRINTBUFFER, !! 35 .flags = CON_PRINTBUFFER,
31 .index = -1, !! 36 .index = -1,
32 }; 37 };
33 38
34 39
35 static inline void ata_mfp_out(char c) !! 40 static inline void ata_mfp_out (char c)
36 { 41 {
37 while (!(st_mfp.trn_stat & 0x80)) !! 42 while (!(mfp.trn_stat & 0x80)) /* wait for tx buf empty */
38 barrier(); !! 43 barrier ();
39 st_mfp.usart_dta = c; !! 44 mfp.usart_dta = c;
40 } 45 }
41 46
42 static void atari_mfp_console_write(struct con !! 47 void atari_mfp_console_write (struct console *co, const char *str,
43 unsigned i !! 48 unsigned int count)
44 { 49 {
45 while (count--) { !! 50 while (count--) {
46 if (*str == '\n') !! 51 if (*str == '\n')
47 ata_mfp_out('\r'); !! 52 ata_mfp_out( '\r' );
48 ata_mfp_out(*str++); !! 53 ata_mfp_out( *str++ );
49 } !! 54 }
50 } 55 }
51 56
52 static inline void ata_scc_out(char c) !! 57 static inline void ata_scc_out (char c)
53 { 58 {
54 do { !! 59 do {
55 MFPDELAY(); <<
56 } while (!(atari_scc.cha_b_ctrl & 0x04 <<
57 MFPDELAY(); 60 MFPDELAY();
58 atari_scc.cha_b_data = c; !! 61 } while (!(scc.cha_b_ctrl & 0x04)); /* wait for tx buf empty */
>> 62 MFPDELAY();
>> 63 scc.cha_b_data = c;
59 } 64 }
60 65
61 static void atari_scc_console_write(struct con !! 66 void atari_scc_console_write (struct console *co, const char *str,
62 unsigned i !! 67 unsigned int count)
63 { 68 {
64 while (count--) { !! 69 while (count--) {
65 if (*str == '\n') !! 70 if (*str == '\n')
66 ata_scc_out('\r'); !! 71 ata_scc_out( '\r' );
67 ata_scc_out(*str++); !! 72 ata_scc_out( *str++ );
68 } !! 73 }
69 } 74 }
70 75
71 static inline void ata_midi_out(char c) !! 76 static inline void ata_midi_out (char c)
72 { 77 {
73 while (!(acia.mid_ctrl & ACIA_TDRE)) !! 78 while (!(acia.mid_ctrl & ACIA_TDRE)) /* wait for tx buf empty */
74 barrier(); !! 79 barrier ();
75 acia.mid_data = c; !! 80 acia.mid_data = c;
76 } 81 }
77 82
78 static void atari_midi_console_write(struct co !! 83 void atari_midi_console_write (struct console *co, const char *str,
79 unsigned !! 84 unsigned int count)
80 { 85 {
81 while (count--) { !! 86 while (count--) {
82 if (*str == '\n') !! 87 if (*str == '\n')
83 ata_midi_out('\r'); !! 88 ata_midi_out( '\r' );
84 ata_midi_out(*str++); !! 89 ata_midi_out( *str++ );
85 } !! 90 }
86 } 91 }
87 92
88 static int ata_par_out(char c) !! 93 static int ata_par_out (char c)
89 { 94 {
90 unsigned char tmp; !! 95 unsigned char tmp;
91 /* This a some-seconds timeout in case !! 96 /* This a some-seconds timeout in case no printer is connected */
92 unsigned long i = loops_per_jiffy > 1 !! 97 unsigned long i = loops_per_jiffy > 1 ? loops_per_jiffy : 10000000/HZ;
93 <<
94 while ((st_mfp.par_dt_reg & 1) && --i) <<
95 ; <<
96 if (!i) <<
97 return 0; <<
98 98
99 sound_ym.rd_data_reg_sel = 15; /* sel !! 99 while( (mfp.par_dt_reg & 1) && --i ) /* wait for BUSY == L */
100 sound_ym.wd_data = c; /* put !! 100 ;
101 sound_ym.rd_data_reg_sel = 14; /* sel !! 101 if (!i) return( 0 );
102 tmp = sound_ym.rd_data_reg_sel; !! 102
103 sound_ym.wd_data = tmp & ~0x20; /* set !! 103 sound_ym.rd_data_reg_sel = 15; /* select port B */
104 MFPDELAY(); /* wai !! 104 sound_ym.wd_data = c; /* put char onto port */
105 sound_ym.wd_data = tmp | 0x20; /* set !! 105 sound_ym.rd_data_reg_sel = 14; /* select port A */
106 return 1; !! 106 tmp = sound_ym.rd_data_reg_sel;
>> 107 sound_ym.wd_data = tmp & ~0x20; /* set strobe L */
>> 108 MFPDELAY(); /* wait a bit */
>> 109 sound_ym.wd_data = tmp | 0x20; /* set strobe H */
>> 110 return( 1 );
107 } 111 }
108 112
109 static void atari_par_console_write(struct con !! 113 static void atari_par_console_write (struct console *co, const char *str,
110 unsigned i !! 114 unsigned int count)
111 { 115 {
112 static int printer_present = 1; !! 116 static int printer_present = 1;
113 117
114 if (!printer_present) !! 118 if (!printer_present)
115 return; !! 119 return;
116 120
117 while (count--) { !! 121 while (count--) {
118 if (*str == '\n') { !! 122 if (*str == '\n')
119 if (!ata_par_out('\r') !! 123 if (!ata_par_out( '\r' )) {
120 printer_presen !! 124 printer_present = 0;
121 return; !! 125 return;
122 } !! 126 }
123 } !! 127 if (!ata_par_out( *str++ )) {
124 if (!ata_par_out(*str++)) { !! 128 printer_present = 0;
125 printer_present = 0; !! 129 return;
126 return; <<
127 } <<
128 } 130 }
>> 131 }
129 } 132 }
130 133
131 #if 0 !! 134 #ifdef CONFIG_SERIAL_CONSOLE
132 int atari_mfp_console_wait_key(struct console 135 int atari_mfp_console_wait_key(struct console *co)
133 { 136 {
134 while (!(st_mfp.rcv_stat & 0x80)) !! 137 while( !(mfp.rcv_stat & 0x80) ) /* wait for rx buf filled */
135 barrier(); !! 138 barrier();
136 return st_mfp.usart_dta; !! 139 return( mfp.usart_dta );
137 } 140 }
138 141
139 int atari_scc_console_wait_key(struct console 142 int atari_scc_console_wait_key(struct console *co)
140 { 143 {
141 do { !! 144 do {
142 MFPDELAY(); <<
143 } while (!(atari_scc.cha_b_ctrl & 0x01 <<
144 MFPDELAY(); 145 MFPDELAY();
145 return atari_scc.cha_b_data; !! 146 } while( !(scc.cha_b_ctrl & 0x01) ); /* wait for rx buf filled */
>> 147 MFPDELAY();
>> 148 return( scc.cha_b_data );
146 } 149 }
147 150
148 int atari_midi_console_wait_key(struct console 151 int atari_midi_console_wait_key(struct console *co)
149 { 152 {
150 while (!(acia.mid_ctrl & ACIA_RDRF)) / !! 153 while( !(acia.mid_ctrl & ACIA_RDRF) ) /* wait for rx buf filled */
151 barrier(); !! 154 barrier();
152 return acia.mid_data; !! 155 return( acia.mid_data );
153 } 156 }
154 #endif 157 #endif
155 158
156 /* !! 159 /* The following two functions do a quick'n'dirty initialization of the MFP or
157 * The following two functions do a quick'n'di <<
158 * SCC serial ports. They're used by the debug 160 * SCC serial ports. They're used by the debugging interface, kgdb, and the
159 * serial console code. !! 161 * serial console code. */
160 */ !! 162 #ifndef CONFIG_SERIAL_CONSOLE
161 static void __init atari_init_mfp_port(int cfl !! 163 static void __init atari_init_mfp_port( int cflag )
>> 164 #else
>> 165 void atari_init_mfp_port( int cflag )
>> 166 #endif
162 { 167 {
163 /* !! 168 /* timer values for 1200...115200 bps; > 38400 select 110, 134, or 150
164 * timer values for 1200...115200 bps; !! 169 * bps, resp., and work only correct if there's a RSVE or RSSPEED */
165 * bps, resp., and work only correct i !! 170 static int baud_table[9] = { 16, 11, 8, 4, 2, 1, 175, 143, 128 };
166 */ !! 171 int baud = cflag & CBAUD;
167 static int baud_table[9] = { 16, 11, 8 !! 172 int parity = (cflag & PARENB) ? ((cflag & PARODD) ? 0x04 : 0x06) : 0;
168 int baud = cflag & CBAUD; !! 173 int csize = ((cflag & CSIZE) == CS7) ? 0x20 : 0x00;
169 int parity = (cflag & PARENB) ? ((cfla !! 174
170 int csize = ((cflag & CSIZE) == CS7) ? !! 175 if (cflag & CBAUDEX)
171 !! 176 baud += B38400;
172 if (cflag & CBAUDEX) !! 177 if (baud < B1200 || baud > B38400+2)
173 baud += B38400; !! 178 baud = B9600; /* use default 9600bps for non-implemented rates */
174 if (baud < B1200 || baud > B38400+2) !! 179 baud -= B1200; /* baud_table[] starts at 1200bps */
175 baud = B9600; /* use !! 180
176 baud -= B1200; /* bau !! 181 mfp.trn_stat &= ~0x01; /* disable TX */
177 !! 182 mfp.usart_ctr = parity | csize | 0x88; /* 1:16 clk mode, 1 stop bit */
178 st_mfp.trn_stat &= ~0x01; /* dis !! 183 mfp.tim_ct_cd &= 0x70; /* stop timer D */
179 st_mfp.usart_ctr = parity | csize | 0x !! 184 mfp.tim_dt_d = baud_table[baud];
180 st_mfp.tim_ct_cd &= 0x70; /* sto !! 185 mfp.tim_ct_cd |= 0x01; /* start timer D, 1:4 */
181 st_mfp.tim_dt_d = baud_table[baud]; !! 186 mfp.trn_stat |= 0x01; /* enable TX */
182 st_mfp.tim_ct_cd |= 0x01; /* sta !! 187
183 st_mfp.trn_stat |= 0x01; /* ena !! 188 atari_MFP_init_done = 1;
184 } !! 189 }
185 !! 190
186 #define SCC_WRITE(reg, val) !! 191 #define SCC_WRITE(reg,val) \
187 do { !! 192 do { \
188 atari_scc.cha_b_ctrl = (reg); !! 193 scc.cha_b_ctrl = (reg); \
189 MFPDELAY(); !! 194 MFPDELAY(); \
190 atari_scc.cha_b_ctrl = (val); !! 195 scc.cha_b_ctrl = (val); \
191 MFPDELAY(); !! 196 MFPDELAY(); \
192 } while (0) !! 197 } while(0)
193 198
194 /* loops_per_jiffy isn't initialized yet, so w 199 /* loops_per_jiffy isn't initialized yet, so we can't use udelay(). This does a
195 * delay of ~ 60us. */ 200 * delay of ~ 60us. */
196 #define LONG_DELAY() !! 201 #define LONG_DELAY() \
197 do { !! 202 do { \
198 int i; !! 203 int i; \
199 for (i = 100; i > 0; --i) !! 204 for( i = 100; i > 0; --i ) \
200 MFPDELAY(); !! 205 MFPDELAY(); \
201 } while (0) !! 206 } while(0)
202 !! 207
203 static void __init atari_init_scc_port(int cfl !! 208 #ifndef CONFIG_SERIAL_CONSOLE
204 { !! 209 static void __init atari_init_scc_port( int cflag )
205 static int clksrc_table[9] = !! 210 #else
206 /* reg 11: 0x50 = BRG, 0x00 = !! 211 void atari_init_scc_port( int cflag )
207 { 0x50, 0x50, 0x50, 0x50, 0x50 !! 212 #endif
208 static int brgsrc_table[9] = !! 213 {
209 /* reg 14: 0 = RTxC, 2 = PCLK !! 214 extern int atari_SCC_reset_done;
210 { 2, 2, 2, 2, 2, 2, 0, 2, 2 }; !! 215 static int clksrc_table[9] =
211 static int clkmode_table[9] = !! 216 /* reg 11: 0x50 = BRG, 0x00 = RTxC, 0x28 = TRxC */
212 /* reg 4: 0x40 = x16, 0x80 = x !! 217 { 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x00, 0x00 };
213 { 0x40, 0x40, 0x40, 0x40, 0x40 !! 218 static int brgsrc_table[9] =
214 static int div_table[9] = !! 219 /* reg 14: 0 = RTxC, 2 = PCLK */
215 /* reg12 (BRG low) */ !! 220 { 2, 2, 2, 2, 2, 2, 0, 2, 2 };
216 { 208, 138, 103, 50, 24, 11, 1 !! 221 static int clkmode_table[9] =
217 !! 222 /* reg 4: 0x40 = x16, 0x80 = x32, 0xc0 = x64 */
218 int baud = cflag & CBAUD; !! 223 { 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0xc0, 0x80 };
219 int clksrc, clkmode, div, reg3, reg5; !! 224 static int div_table[9] =
220 !! 225 /* reg12 (BRG low) */
221 if (cflag & CBAUDEX) !! 226 { 208, 138, 103, 50, 24, 11, 1, 0, 0 };
222 baud += B38400; !! 227
223 if (baud < B1200 || baud > B38400+2) !! 228 int baud = cflag & CBAUD;
224 baud = B9600; /* use !! 229 int clksrc, clkmode, div, reg3, reg5;
225 baud -= B1200; /* tab !! 230
226 !! 231 if (cflag & CBAUDEX)
227 clksrc = clksrc_table[baud]; !! 232 baud += B38400;
228 clkmode = clkmode_table[baud]; !! 233 if (baud < B1200 || baud > B38400+2)
229 div = div_table[baud]; !! 234 baud = B9600; /* use default 9600bps for non-implemented rates */
230 if (ATARIHW_PRESENT(TT_MFP) && baud >= !! 235 baud -= B1200; /* tables starts at 1200bps */
231 /* special treatment for TT, w !! 236
232 clksrc = 0x28; /* TRx !! 237 clksrc = clksrc_table[baud];
233 clkmode = baud == 6 ? 0xc0 : !! 238 clkmode = clkmode_table[baud];
234 baud == 7 ? 0x80 : / !! 239 div = div_table[baud];
235 0x40; / !! 240 if (ATARIHW_PRESENT(TT_MFP) && baud >= 6) {
236 div = 0; !! 241 /* special treatment for TT, where rates >= 38400 are done via TRxC */
237 } !! 242 clksrc = 0x28; /* TRxC */
238 !! 243 clkmode = baud == 6 ? 0xc0 :
239 reg3 = (cflag & CSIZE) == CS8 ? 0xc0 : !! 244 baud == 7 ? 0x80 : /* really 76800bps */
240 reg5 = (cflag & CSIZE) == CS8 ? 0x60 : !! 245 0x40; /* really 153600bps */
241 !! 246 div = 0;
242 (void)atari_scc.cha_b_ctrl; /* res !! 247 }
243 SCC_WRITE(9, 0xc0); /* res !! 248
244 LONG_DELAY(); /* ext !! 249 reg3 = (cflag & CSIZE) == CS8 ? 0xc0 : 0x40;
245 SCC_WRITE(4, (cflag & PARENB) ? ((cfla !! 250 reg5 = (cflag & CSIZE) == CS8 ? 0x60 : 0x20 | 0x82 /* assert DTR/RTS */;
246 : 0 | 0x !! 251
247 SCC_WRITE(3, reg3); !! 252 (void)scc.cha_b_ctrl; /* reset reg pointer */
248 SCC_WRITE(5, reg5); !! 253 SCC_WRITE( 9, 0xc0 ); /* reset */
249 SCC_WRITE(9, 0); /* no !! 254 LONG_DELAY(); /* extra delay after WR9 access */
250 LONG_DELAY(); /* ext !! 255 SCC_WRITE( 4, (cflag & PARENB) ? ((cflag & PARODD) ? 0x01 : 0x03) : 0 |
251 SCC_WRITE(10, 0); /* NRZ !! 256 0x04 /* 1 stopbit */ |
252 SCC_WRITE(11, clksrc); /* mai !! 257 clkmode );
253 SCC_WRITE(12, div); /* BRG !! 258 SCC_WRITE( 3, reg3 );
254 SCC_WRITE(13, 0); /* BRG !! 259 SCC_WRITE( 5, reg5 );
255 SCC_WRITE(14, brgsrc_table[baud]); !! 260 SCC_WRITE( 9, 0 ); /* no interrupts */
256 SCC_WRITE(14, brgsrc_table[baud] | (di !! 261 LONG_DELAY(); /* extra delay after WR9 access */
257 SCC_WRITE(3, reg3 | 1); !! 262 SCC_WRITE( 10, 0 ); /* NRZ mode */
258 SCC_WRITE(5, reg5 | 8); !! 263 SCC_WRITE( 11, clksrc ); /* main clock source */
259 !! 264 SCC_WRITE( 12, div ); /* BRG value */
260 atari_SCC_reset_done = 1; !! 265 SCC_WRITE( 13, 0 ); /* BRG high byte */
261 } !! 266 SCC_WRITE( 14, brgsrc_table[baud] );
262 !! 267 SCC_WRITE( 14, brgsrc_table[baud] | (div ? 1 : 0) );
263 static void __init atari_init_midi_port(int cf !! 268 SCC_WRITE( 3, reg3 | 1 );
264 { !! 269 SCC_WRITE( 5, reg5 | 8 );
265 int baud = cflag & CBAUD; !! 270
266 int csize = ((cflag & CSIZE) == CS8) ? !! 271 atari_SCC_reset_done = 1;
267 /* warning 7N1 isn't possible! (instea !! 272 atari_SCC_init_done = 1;
268 int parity = (cflag & PARENB) ? ((cfla !! 273 }
269 int div; !! 274
270 !! 275 #ifndef CONFIG_SERIAL_CONSOLE
271 /* 4800 selects 7812.5, 115200 selects !! 276 static void __init atari_init_midi_port( int cflag )
272 * default) the standard MIDI speed 31 !! 277 #else
273 if (cflag & CBAUDEX) !! 278 void atari_init_midi_port( int cflag )
274 baud += B38400; !! 279 #endif
275 if (baud == B4800) !! 280 {
276 div = ACIA_DIV64; /* rea !! 281 int baud = cflag & CBAUD;
277 else if (baud == B38400+2 /* 115200 */ !! 282 int csize = ((cflag & CSIZE) == CS8) ? 0x10 : 0x00;
278 div = ACIA_DIV1; /* rea !! 283 /* warning 7N1 isn't possible! (instead 7O2 is used...) */
279 else !! 284 int parity = (cflag & PARENB) ? ((cflag & PARODD) ? 0x0c : 0x08) : 0x04;
280 div = ACIA_DIV16; /* 312 !! 285 int div;
>> 286
>> 287 /* 4800 selects 7812.5, 115200 selects 500000, all other (incl. 9600 as
>> 288 * default) the standard MIDI speed 31250. */
>> 289 if (cflag & CBAUDEX)
>> 290 baud += B38400;
>> 291 if (baud == B4800)
>> 292 div = ACIA_DIV64; /* really 7812.5 bps */
>> 293 else if (baud == B38400+2 /* 115200 */)
>> 294 div = ACIA_DIV1; /* really 500 kbps (does that work??) */
>> 295 else
>> 296 div = ACIA_DIV16; /* 31250 bps, standard for MIDI */
281 297
282 /* RTS low, ints disabled */ !! 298 /* RTS low, ints disabled */
283 acia.mid_ctrl = div | csize | parity | !! 299 acia.mid_ctrl = div | csize | parity |
284 ((atari_switches & ATARI_S 300 ((atari_switches & ATARI_SWITCH_MIDI) ?
285 ACIA_RHTID : ACIA_RLTID); 301 ACIA_RHTID : ACIA_RLTID);
286 } 302 }
287 303
288 static int __init atari_debug_setup(char *arg) !! 304 void __init atari_debug_init(void)
289 { 305 {
290 bool registered; !! 306 if (!strcmp( m68k_debug_device, "ser" )) {
291 !! 307 /* defaults to ser2 for a Falcon and ser1 otherwise */
292 if (!MACH_IS_ATARI) !! 308 strcpy( m68k_debug_device, MACH_IS_FALCON ? "ser2" : "ser1" );
293 return 0; !! 309
294 !! 310 }
295 if (!strcmp(arg, "ser")) !! 311
296 /* defaults to ser2 for a Falc !! 312 if (!strcmp( m68k_debug_device, "ser1" )) {
297 arg = MACH_IS_FALCON ? "ser2" !! 313 /* ST-MFP Modem1 serial port */
298 !! 314 atari_init_mfp_port( B9600|CS8 );
299 registered = !!atari_console_driver.wr !! 315 atari_console_driver.write = atari_mfp_console_write;
300 if (!strcmp(arg, "ser1")) { !! 316 }
301 /* ST-MFP Modem1 serial port * !! 317 else if (!strcmp( m68k_debug_device, "ser2" )) {
302 atari_init_mfp_port(B9600|CS8) !! 318 /* SCC Modem2 serial port */
303 atari_console_driver.write = a !! 319 atari_init_scc_port( B9600|CS8 );
304 } else if (!strcmp(arg, "ser2")) { !! 320 atari_console_driver.write = atari_scc_console_write;
305 /* SCC Modem2 serial port */ !! 321 }
306 atari_init_scc_port(B9600|CS8) !! 322 else if (!strcmp( m68k_debug_device, "midi" )) {
307 atari_console_driver.write = a !! 323 /* MIDI port */
308 } else if (!strcmp(arg, "midi")) { !! 324 atari_init_midi_port( B9600|CS8 );
309 /* MIDI port */ !! 325 atari_console_driver.write = atari_midi_console_write;
310 atari_init_midi_port(B9600|CS8 !! 326 }
311 atari_console_driver.write = a !! 327 else if (!strcmp( m68k_debug_device, "par" )) {
312 } else if (!strcmp(arg, "par")) { !! 328 /* parallel printer */
313 /* parallel printer */ !! 329 atari_turnoff_irq( IRQ_MFP_BUSY ); /* avoid ints */
314 atari_turnoff_irq(IRQ_MFP_BUSY !! 330 sound_ym.rd_data_reg_sel = 7; /* select mixer control */
315 sound_ym.rd_data_reg_sel = 7; !! 331 sound_ym.wd_data = 0xff; /* sound off, ports are output */
316 sound_ym.wd_data = 0xff; !! 332 sound_ym.rd_data_reg_sel = 15; /* select port B */
317 sound_ym.rd_data_reg_sel = 15; !! 333 sound_ym.wd_data = 0; /* no char */
318 sound_ym.wd_data = 0; !! 334 sound_ym.rd_data_reg_sel = 14; /* select port A */
319 sound_ym.rd_data_reg_sel = 14; !! 335 sound_ym.wd_data = sound_ym.rd_data_reg_sel | 0x20; /* strobe H */
320 sound_ym.wd_data = sound_ym.rd !! 336 atari_console_driver.write = atari_par_console_write;
321 atari_console_driver.write = a !! 337 }
322 } !! 338 if (atari_console_driver.write)
323 if (atari_console_driver.write && !reg !! 339 register_console(&atari_console_driver);
324 register_console(&atari_consol <<
325 <<
326 return 0; <<
327 } 340 }
328 341
329 early_param("debug", atari_debug_setup); !! 342 /*
>> 343 * Local variables:
>> 344 * c-indent-level: 4
>> 345 * tab-width: 8
>> 346 * End:
>> 347 */
330 348
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