Bootlin logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
/* linux/arch/arm/mach-s3c2410/mach-vr1000.c
 *
 * Copyright (c) 2003-2008 Simtec Electronics
 *   Ben Dooks <ben@simtec.co.uk>
 *
 * Machine support for Thorcom VR1000 board. Designed for Thorcom by
 * Simtec Electronics, http://www.simtec.co.uk/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
*/

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/dm9000.h>
#include <linux/i2c.h>

#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/serial_reg.h>
#include <linux/io.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/bast-map.h>
#include <mach/vr1000-map.h>
#include <mach/vr1000-irq.h>
#include <mach/vr1000-cpld.h>

#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/leds-gpio.h>

#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/iic.h>
#include <plat/audio-simtec.h>

#include "usb-simtec.h"
#include "nor-simtec.h"

/* macros for virtual address mods for the io space entries */
#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
#define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
#define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
#define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)

/* macros to modify the physical addresses for io space */

#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))

static struct map_desc vr1000_iodesc[] __initdata = {
  /* ISA IO areas */
  {
	  .virtual	= (u32)S3C24XX_VA_ISA_BYTE,
	  .pfn		= PA_CS2(BAST_PA_ISAIO),
	  .length	= SZ_16M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)S3C24XX_VA_ISA_WORD,
	  .pfn		= PA_CS3(BAST_PA_ISAIO),
	  .length	= SZ_16M,
	  .type		= MT_DEVICE,
  },

  /*  CPLD control registers, and external interrupt controls */
  {
	  .virtual	= (u32)VR1000_VA_CTRL1,
	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL1),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)VR1000_VA_CTRL2,
	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL2),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)VR1000_VA_CTRL3,
	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL3),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  }, {
	  .virtual	= (u32)VR1000_VA_CTRL4,
	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL4),
	  .length	= SZ_1M,
	  .type		= MT_DEVICE,
  },
};

#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

/* uart clock source(s) */

static struct s3c24xx_uart_clksrc vr1000_serial_clocks[] = {
	[0] = {
		.name		= "uclk",
		.divisor	= 1,
		.min_baud	= 0,
		.max_baud	= 0,
	},
	[1] = {
		.name		= "pclk",
		.divisor	= 1,
		.min_baud	= 0,
		.max_baud	= 0.
	}
};

static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = {
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
		.clocks	     = vr1000_serial_clocks,
		.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
	},
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
		.clocks	     = vr1000_serial_clocks,
		.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
	},
	/* port 2 is not actually used */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = UCON,
		.ulcon	     = ULCON,
		.ufcon	     = UFCON,
		.clocks	     = vr1000_serial_clocks,
		.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),

	}
};

/* definitions for the vr1000 extra 16550 serial ports */

#define VR1000_BAUDBASE (3692307)

#define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))

static struct plat_serial8250_port serial_platform_data[] = {
	[0] = {
		.mapbase	= VR1000_SERIAL_MAPBASE(0),
		.irq		= IRQ_VR1000_SERIAL + 0,
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= VR1000_BAUDBASE,
	},
	[1] = {
		.mapbase	= VR1000_SERIAL_MAPBASE(1),
		.irq		= IRQ_VR1000_SERIAL + 1,
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= VR1000_BAUDBASE,
	},
	[2] = {
		.mapbase	= VR1000_SERIAL_MAPBASE(2),
		.irq		= IRQ_VR1000_SERIAL + 2,
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= VR1000_BAUDBASE,
	},
	[3] = {
		.mapbase	= VR1000_SERIAL_MAPBASE(3),
		.irq		= IRQ_VR1000_SERIAL + 3,
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= VR1000_BAUDBASE,
	},
	{ },
};

static struct platform_device serial_device = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= serial_platform_data,
	},
};

/* DM9000 ethernet devices */

static struct resource vr1000_dm9k0_resource[] = {
	[0] = {
		.start = S3C2410_CS5 + VR1000_PA_DM9000,
		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 3,
		.flags = IORESOURCE_MEM
	},
	[1] = {
		.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x40,
		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x7f,
		.flags = IORESOURCE_MEM
	},
	[2] = {
		.start = IRQ_VR1000_DM9000A,
		.end   = IRQ_VR1000_DM9000A,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
	}

};

static struct resource vr1000_dm9k1_resource[] = {
	[0] = {
		.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x80,
		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x83,
		.flags = IORESOURCE_MEM
	},
	[1] = {
		.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0,
		.end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0xFF,
		.flags = IORESOURCE_MEM
	},
	[2] = {
		.start = IRQ_VR1000_DM9000N,
		.end   = IRQ_VR1000_DM9000N,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
	}
};

/* for the moment we limit ourselves to 16bit IO until some
 * better IO routines can be written and tested
*/

static struct dm9000_plat_data vr1000_dm9k_platdata = {
	.flags		= DM9000_PLATF_16BITONLY,
};

static struct platform_device vr1000_dm9k0 = {
	.name		= "dm9000",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(vr1000_dm9k0_resource),
	.resource	= vr1000_dm9k0_resource,
	.dev		= {
		.platform_data = &vr1000_dm9k_platdata,
	}
};

static struct platform_device vr1000_dm9k1 = {
	.name		= "dm9000",
	.id		= 1,
	.num_resources	= ARRAY_SIZE(vr1000_dm9k1_resource),
	.resource	= vr1000_dm9k1_resource,
	.dev		= {
		.platform_data = &vr1000_dm9k_platdata,
	}
};

/* LEDS */

static struct s3c24xx_led_platdata vr1000_led1_pdata = {
	.name		= "led1",
	.gpio		= S3C2410_GPB(0),
	.def_trigger	= "",
};

static struct s3c24xx_led_platdata vr1000_led2_pdata = {
	.name		= "led2",
	.gpio		= S3C2410_GPB(1),
	.def_trigger	= "",
};

static struct s3c24xx_led_platdata vr1000_led3_pdata = {
	.name		= "led3",
	.gpio		= S3C2410_GPB(2),
	.def_trigger	= "",
};

static struct platform_device vr1000_led1 = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data	= &vr1000_led1_pdata,
	},
};

static struct platform_device vr1000_led2 = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data	= &vr1000_led2_pdata,
	},
};

static struct platform_device vr1000_led3 = {
	.name		= "s3c24xx_led",
	.id		= 3,
	.dev		= {
		.platform_data	= &vr1000_led3_pdata,
	},
};

/* I2C devices. */

static struct i2c_board_info vr1000_i2c_devs[] __initdata = {
	{
		I2C_BOARD_INFO("tlv320aic23", 0x1a),
	}, {
		I2C_BOARD_INFO("tmp101", 0x48),
	}, {
		I2C_BOARD_INFO("m41st87", 0x68),
	},
};

/* devices for this board */

static struct platform_device *vr1000_devices[] __initdata = {
	&s3c_device_ohci,
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_adc,
	&serial_device,
	&vr1000_dm9k0,
	&vr1000_dm9k1,
	&vr1000_led1,
	&vr1000_led2,
	&vr1000_led3,
};

static struct clk *vr1000_clocks[] __initdata = {
	&s3c24xx_dclk0,
	&s3c24xx_dclk1,
	&s3c24xx_clkout0,
	&s3c24xx_clkout1,
	&s3c24xx_uclk,
};

static void vr1000_power_off(void)
{
	gpio_direction_output(S3C2410_GPB(9), 1);
}

static void __init vr1000_map_io(void)
{
	/* initialise clock sources */

	s3c24xx_dclk0.parent = &clk_upll;
	s3c24xx_dclk0.rate   = 12*1000*1000;

	s3c24xx_dclk1.parent = NULL;
	s3c24xx_dclk1.rate   = 3692307;

	s3c24xx_clkout0.parent  = &s3c24xx_dclk0;
	s3c24xx_clkout1.parent  = &s3c24xx_dclk1;

	s3c24xx_uclk.parent  = &s3c24xx_clkout1;

	s3c24xx_register_clocks(vr1000_clocks, ARRAY_SIZE(vr1000_clocks));

	pm_power_off = vr1000_power_off;

	s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
	s3c24xx_init_clocks(0);
	s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
}

static void __init vr1000_init(void)
{
	s3c_i2c0_set_platdata(NULL);
	platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices));

	i2c_register_board_info(0, vr1000_i2c_devs,
				ARRAY_SIZE(vr1000_i2c_devs));

	nor_simtec_init();
	simtec_audio_add(NULL, true, NULL);

	WARN_ON(gpio_request(S3C2410_GPB(9), "power off"));
}

MACHINE_START(VR1000, "Thorcom-VR1000")
	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
	.atag_offset	= 0x100,
	.map_io		= vr1000_map_io,
	.init_machine	= vr1000_init,
	.init_irq	= s3c24xx_init_irq,
	.timer		= &s3c24xx_timer,
MACHINE_END