aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-spear3xx/spear300.c
blob: 4f7f5182dd4dab838fae9237e75ade89e17cc90a (plain)
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
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
/*
 * arch/arm/mach-spear3xx/spear300.c
 *
 * SPEAr300 machine source file
 *
 * Copyright (C) 2009 ST Microelectronics
 * Viresh Kumar<viresh.kumar@st.com>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/types.h>
#include <linux/amba/pl061.h>
#include <linux/ptrace.h>
#include <asm/irq.h>
#include <plat/shirq.h>
#include <mach/generic.h>
#include <mach/hardware.h>

/* pad multiplexing support */
/* muxing registers */
#define PAD_MUX_CONFIG_REG	0x00
#define MODE_CONFIG_REG		0x04

/* modes */
#define NAND_MODE			(1 << 0)
#define NOR_MODE			(1 << 1)
#define PHOTO_FRAME_MODE		(1 << 2)
#define LEND_IP_PHONE_MODE		(1 << 3)
#define HEND_IP_PHONE_MODE		(1 << 4)
#define LEND_WIFI_PHONE_MODE		(1 << 5)
#define HEND_WIFI_PHONE_MODE		(1 << 6)
#define ATA_PABX_WI2S_MODE		(1 << 7)
#define ATA_PABX_I2S_MODE		(1 << 8)
#define CAML_LCDW_MODE			(1 << 9)
#define CAMU_LCD_MODE			(1 << 10)
#define CAMU_WLCD_MODE			(1 << 11)
#define CAML_LCD_MODE			(1 << 12)
#define ALL_MODES			0x1FFF

struct pmx_mode spear300_nand_mode = {
	.id = NAND_MODE,
	.name = "nand mode",
	.mask = 0x00,
};

struct pmx_mode spear300_nor_mode = {
	.id = NOR_MODE,
	.name = "nor mode",
	.mask = 0x01,
};

struct pmx_mode spear300_photo_frame_mode = {
	.id = PHOTO_FRAME_MODE,
	.name = "photo frame mode",
	.mask = 0x02,
};

struct pmx_mode spear300_lend_ip_phone_mode = {
	.id = LEND_IP_PHONE_MODE,
	.name = "lend ip phone mode",
	.mask = 0x03,
};

struct pmx_mode spear300_hend_ip_phone_mode = {
	.id = HEND_IP_PHONE_MODE,
	.name = "hend ip phone mode",
	.mask = 0x04,
};

struct pmx_mode spear300_lend_wifi_phone_mode = {
	.id = LEND_WIFI_PHONE_MODE,
	.name = "lend wifi phone mode",
	.mask = 0x05,
};

struct pmx_mode spear300_hend_wifi_phone_mode = {
	.id = HEND_WIFI_PHONE_MODE,
	.name = "hend wifi phone mode",
	.mask = 0x06,
};

struct pmx_mode spear300_ata_pabx_wi2s_mode = {
	.id = ATA_PABX_WI2S_MODE,
	.name = "ata pabx wi2s mode",
	.mask = 0x07,
};

struct pmx_mode spear300_ata_pabx_i2s_mode = {
	.id = ATA_PABX_I2S_MODE,
	.name = "ata pabx i2s mode",
	.mask = 0x08,
};

struct pmx_mode spear300_caml_lcdw_mode = {
	.id = CAML_LCDW_MODE,
	.name = "caml lcdw mode",
	.mask = 0x0C,
};

struct pmx_mode spear300_camu_lcd_mode = {
	.id = CAMU_LCD_MODE,
	.name = "camu lcd mode",
	.mask = 0x0D,
};

struct pmx_mode spear300_camu_wlcd_mode = {
	.id = CAMU_WLCD_MODE,
	.name = "camu wlcd mode",
	.mask = 0x0E,
};

struct pmx_mode spear300_caml_lcd_mode = {
	.id = CAML_LCD_MODE,
	.name = "caml lcd mode",
	.mask = 0x0F,
};

/* devices */
static struct pmx_dev_mode pmx_fsmc_2_chips_modes[] = {
	{
		.ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
		.mask = PMX_FIRDA_MASK,
	},
};

struct pmx_dev spear300_pmx_fsmc_2_chips = {
	.name = "fsmc_2_chips",
	.modes = pmx_fsmc_2_chips_modes,
	.mode_count = ARRAY_SIZE(pmx_fsmc_2_chips_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_fsmc_4_chips_modes[] = {
	{
		.ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
		.mask = PMX_FIRDA_MASK | PMX_UART0_MASK,
	},
};

struct pmx_dev spear300_pmx_fsmc_4_chips = {
	.name = "fsmc_4_chips",
	.modes = pmx_fsmc_4_chips_modes,
	.mode_count = ARRAY_SIZE(pmx_fsmc_4_chips_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_keyboard_modes[] = {
	{
		.ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
			LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
			CAML_LCDW_MODE | CAMU_LCD_MODE | CAMU_WLCD_MODE |
			CAML_LCD_MODE,
		.mask = 0x0,
	},
};

struct pmx_dev spear300_pmx_keyboard = {
	.name = "keyboard",
	.modes = pmx_keyboard_modes,
	.mode_count = ARRAY_SIZE(pmx_keyboard_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_clcd_modes[] = {
	{
		.ids = PHOTO_FRAME_MODE,
		.mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK ,
	}, {
		.ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE |
			CAMU_LCD_MODE | CAML_LCD_MODE,
		.mask = PMX_TIMER_3_4_MASK,
	},
};

struct pmx_dev spear300_pmx_clcd = {
	.name = "clcd",
	.modes = pmx_clcd_modes,
	.mode_count = ARRAY_SIZE(pmx_clcd_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_gpio_modes[] = {
	{
		.ids = PHOTO_FRAME_MODE | CAMU_LCD_MODE | CAML_LCD_MODE,
		.mask = PMX_MII_MASK,
	}, {
		.ids = LEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE,
		.mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
	}, {
		.ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_WLCD_MODE,
		.mask = PMX_MII_MASK | PMX_TIMER_3_4_MASK,
	}, {
		.ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE,
		.mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK,
	}, {
		.ids = ATA_PABX_WI2S_MODE,
		.mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK
			| PMX_UART0_MODEM_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_gpio = {
	.name = "telecom_gpio",
	.modes = pmx_telecom_gpio_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_gpio_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_tdm_modes[] = {
	{
		.ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE
			| HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE
			| ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
			| CAMU_WLCD_MODE | CAML_LCD_MODE,
		.mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_tdm = {
	.name = "telecom_tdm",
	.modes = pmx_telecom_tdm_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_tdm_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_spi_cs_i2c_clk_modes[] = {
	{
		.ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
			LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE
			| ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE |
			CAML_LCDW_MODE | CAML_LCD_MODE,
		.mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_spi_cs_i2c_clk = {
	.name = "telecom_spi_cs_i2c_clk",
	.modes = pmx_telecom_spi_cs_i2c_clk_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_spi_cs_i2c_clk_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_camera_modes[] = {
	{
		.ids = CAML_LCDW_MODE | CAML_LCD_MODE,
		.mask = PMX_MII_MASK,
	}, {
		.ids = CAMU_LCD_MODE | CAMU_WLCD_MODE,
		.mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK | PMX_MII_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_camera = {
	.name = "telecom_camera",
	.modes = pmx_telecom_camera_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_camera_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_dac_modes[] = {
	{
		.ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
			| CAMU_WLCD_MODE | CAML_LCD_MODE,
		.mask = PMX_TIMER_1_2_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_dac = {
	.name = "telecom_dac",
	.modes = pmx_telecom_dac_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_dac_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_i2s_modes[] = {
	{
		.ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE
			| LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
			ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
			| CAMU_WLCD_MODE | CAML_LCD_MODE,
		.mask = PMX_UART0_MODEM_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_i2s = {
	.name = "telecom_i2s",
	.modes = pmx_telecom_i2s_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_i2s_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_boot_pins_modes[] = {
	{
		.ids = NAND_MODE | NOR_MODE,
		.mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
			PMX_TIMER_3_4_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_boot_pins = {
	.name = "telecom_boot_pins",
	.modes = pmx_telecom_boot_pins_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_boot_pins_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_sdhci_4bit_modes[] = {
	{
		.ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
			CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE |
			ATA_PABX_I2S_MODE,
		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_sdhci_4bit = {
	.name = "telecom_sdhci_4bit",
	.modes = pmx_telecom_sdhci_4bit_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_sdhci_4bit_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_telecom_sdhci_8bit_modes[] = {
	{
		.ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
			CAMU_WLCD_MODE | CAML_LCD_MODE,
		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK,
	},
};

struct pmx_dev spear300_pmx_telecom_sdhci_8bit = {
	.name = "telecom_sdhci_8bit",
	.modes = pmx_telecom_sdhci_8bit_modes,
	.mode_count = ARRAY_SIZE(pmx_telecom_sdhci_8bit_modes),
	.enb_on_reset = 1,
};

static struct pmx_dev_mode pmx_gpio1_modes[] = {
	{
		.ids = PHOTO_FRAME_MODE,
		.mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
			PMX_TIMER_3_4_MASK,
	},
};

struct pmx_dev spear300_pmx_gpio1 = {
	.name = "arm gpio1",
	.modes = pmx_gpio1_modes,
	.mode_count = ARRAY_SIZE(pmx_gpio1_modes),
	.enb_on_reset = 1,
};

/* pmx driver structure */
static struct pmx_driver pmx_driver = {
	.mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x0000000f},
	.mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff},
};

/* spear3xx shared irq */
static struct shirq_dev_config shirq_ras1_config[] = {
	{
		.virq = SPEAR300_VIRQ_IT_PERS_S,
		.enb_mask = SPEAR300_IT_PERS_S_IRQ_MASK,
		.status_mask = SPEAR300_IT_PERS_S_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_IT_CHANGE_S,
		.enb_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK,
		.status_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_I2S,
		.enb_mask = SPEAR300_I2S_IRQ_MASK,
		.status_mask = SPEAR300_I2S_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_TDM,
		.enb_mask = SPEAR300_TDM_IRQ_MASK,
		.status_mask = SPEAR300_TDM_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_CAMERA_L,
		.enb_mask = SPEAR300_CAMERA_L_IRQ_MASK,
		.status_mask = SPEAR300_CAMERA_L_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_CAMERA_F,
		.enb_mask = SPEAR300_CAMERA_F_IRQ_MASK,
		.status_mask = SPEAR300_CAMERA_F_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_CAMERA_V,
		.enb_mask = SPEAR300_CAMERA_V_IRQ_MASK,
		.status_mask = SPEAR300_CAMERA_V_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_KEYBOARD,
		.enb_mask = SPEAR300_KEYBOARD_IRQ_MASK,
		.status_mask = SPEAR300_KEYBOARD_IRQ_MASK,
	}, {
		.virq = SPEAR300_VIRQ_GPIO1,
		.enb_mask = SPEAR300_GPIO1_IRQ_MASK,
		.status_mask = SPEAR300_GPIO1_IRQ_MASK,
	},
};

static struct spear_shirq shirq_ras1 = {
	.irq = SPEAR3XX_IRQ_GEN_RAS_1,
	.dev_config = shirq_ras1_config,
	.dev_count = ARRAY_SIZE(shirq_ras1_config),
	.regs = {
		.enb_reg = SPEAR300_INT_ENB_MASK_REG,
		.status_reg = SPEAR300_INT_STS_MASK_REG,
		.status_reg_mask = SPEAR300_SHIRQ_RAS1_MASK,
		.clear_reg = -1,
	},
};

/* Add spear300 specific devices here */
/* arm gpio1 device registration */
static struct pl061_platform_data gpio1_plat_data = {
	.gpio_base	= 8,
	.irq_base	= SPEAR300_GPIO1_INT_BASE,
};

struct amba_device spear300_gpio1_device = {
	.dev = {
		.init_name = "gpio1",
		.platform_data = &gpio1_plat_data,
	},
	.res = {
		.start = SPEAR300_GPIO_BASE,
		.end = SPEAR300_GPIO_BASE + SZ_4K - 1,
		.flags = IORESOURCE_MEM,
	},
	.irq = {SPEAR300_VIRQ_GPIO1, NO_IRQ},
};

/* spear300 routines */
void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
		u8 pmx_dev_count)
{
	int ret = 0;

	/* call spear3xx family common init function */
	spear3xx_init();

	/* shared irq registration */
	shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K);
	if (shirq_ras1.regs.base) {
		ret = spear_shirq_register(&shirq_ras1);
		if (ret)
			printk(KERN_ERR "Error registering Shared IRQ\n");
	}

	/* pmx initialization */
	pmx_driver.mode = pmx_mode;
	pmx_driver.devs = pmx_devs;
	pmx_driver.devs_count = pmx_dev_count;

	pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K);
	if (pmx_driver.base) {
		ret = pmx_register(&pmx_driver);
		if (ret)
			printk(KERN_ERR "padmux: registration failed. err no"
					": %d\n", ret);
		/* Free Mapping, device selection already done */
		iounmap(pmx_driver.base);
	}
}