1 /*
2 * arch/arm/mach-spear3xx/spear300.c
3 *
4 * SPEAr300 machine source file
5 *
6 * Copyright (C) 2009 ST Microelectronics
7 * Viresh Kumar<viresh.kumar@st.com>
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
12 */
13
14 #include <linux/types.h>
15 #include <linux/amba/pl061.h>
16 #include <linux/ptrace.h>
17 #include <asm/irq.h>
18 #include <plat/shirq.h>
19 #include <mach/generic.h>
20 #include <mach/hardware.h>
21
22 /* pad multiplexing support */
23 /* muxing registers */
24 #define PAD_MUX_CONFIG_REG 0x00
25 #define MODE_CONFIG_REG 0x04
26
27 /* modes */
28 #define NAND_MODE (1 << 0)
29 #define NOR_MODE (1 << 1)
30 #define PHOTO_FRAME_MODE (1 << 2)
31 #define LEND_IP_PHONE_MODE (1 << 3)
32 #define HEND_IP_PHONE_MODE (1 << 4)
33 #define LEND_WIFI_PHONE_MODE (1 << 5)
34 #define HEND_WIFI_PHONE_MODE (1 << 6)
35 #define ATA_PABX_WI2S_MODE (1 << 7)
36 #define ATA_PABX_I2S_MODE (1 << 8)
37 #define CAML_LCDW_MODE (1 << 9)
38 #define CAMU_LCD_MODE (1 << 10)
39 #define CAMU_WLCD_MODE (1 << 11)
40 #define CAML_LCD_MODE (1 << 12)
41 #define ALL_MODES 0x1FFF
42
43 struct pmx_mode spear300_nand_mode = {
44 .id = NAND_MODE,
45 .name = "nand mode",
46 .mask = 0x00,
47 };
48
49 struct pmx_mode spear300_nor_mode = {
50 .id = NOR_MODE,
51 .name = "nor mode",
52 .mask = 0x01,
53 };
54
55 struct pmx_mode spear300_photo_frame_mode = {
56 .id = PHOTO_FRAME_MODE,
57 .name = "photo frame mode",
58 .mask = 0x02,
59 };
60
61 struct pmx_mode spear300_lend_ip_phone_mode = {
62 .id = LEND_IP_PHONE_MODE,
63 .name = "lend ip phone mode",
64 .mask = 0x03,
65 };
66
67 struct pmx_mode spear300_hend_ip_phone_mode = {
68 .id = HEND_IP_PHONE_MODE,
69 .name = "hend ip phone mode",
70 .mask = 0x04,
71 };
72
73 struct pmx_mode spear300_lend_wifi_phone_mode = {
74 .id = LEND_WIFI_PHONE_MODE,
75 .name = "lend wifi phone mode",
76 .mask = 0x05,
77 };
78
79 struct pmx_mode spear300_hend_wifi_phone_mode = {
80 .id = HEND_WIFI_PHONE_MODE,
81 .name = "hend wifi phone mode",
82 .mask = 0x06,
83 };
84
85 struct pmx_mode spear300_ata_pabx_wi2s_mode = {
86 .id = ATA_PABX_WI2S_MODE,
87 .name = "ata pabx wi2s mode",
88 .mask = 0x07,
89 };
90
91 struct pmx_mode spear300_ata_pabx_i2s_mode = {
92 .id = ATA_PABX_I2S_MODE,
93 .name = "ata pabx i2s mode",
94 .mask = 0x08,
95 };
96
97 struct pmx_mode spear300_caml_lcdw_mode = {
98 .id = CAML_LCDW_MODE,
99 .name = "caml lcdw mode",
100 .mask = 0x0C,
101 };
102
103 struct pmx_mode spear300_camu_lcd_mode = {
104 .id = CAMU_LCD_MODE,
105 .name = "camu lcd mode",
106 .mask = 0x0D,
107 };
108
109 struct pmx_mode spear300_camu_wlcd_mode = {
110 .id = CAMU_WLCD_MODE,
111 .name = "camu wlcd mode",
112 .mask = 0x0E,
113 };
114
115 struct pmx_mode spear300_caml_lcd_mode = {
116 .id = CAML_LCD_MODE,
117 .name = "caml lcd mode",
118 .mask = 0x0F,
119 };
120
121 /* devices */
122 static struct pmx_dev_mode pmx_fsmc_2_chips_modes[] = {
123 {
124 .ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
125 ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
126 .mask = PMX_FIRDA_MASK,
127 },
128 };
129
130 struct pmx_dev spear300_pmx_fsmc_2_chips = {
131 .name = "fsmc_2_chips",
132 .modes = pmx_fsmc_2_chips_modes,
133 .mode_count = ARRAY_SIZE(pmx_fsmc_2_chips_modes),
134 .enb_on_reset = 1,
135 };
136
137 static struct pmx_dev_mode pmx_fsmc_4_chips_modes[] = {
138 {
139 .ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
140 ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
141 .mask = PMX_FIRDA_MASK | PMX_UART0_MASK,
142 },
143 };
144
145 struct pmx_dev spear300_pmx_fsmc_4_chips = {
146 .name = "fsmc_4_chips",
147 .modes = pmx_fsmc_4_chips_modes,
148 .mode_count = ARRAY_SIZE(pmx_fsmc_4_chips_modes),
149 .enb_on_reset = 1,
150 };
151
152 static struct pmx_dev_mode pmx_keyboard_modes[] = {
153 {
154 .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
155 LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
156 CAML_LCDW_MODE | CAMU_LCD_MODE | CAMU_WLCD_MODE |
157 CAML_LCD_MODE,
158 .mask = 0x0,
159 },
160 };
161
162 struct pmx_dev spear300_pmx_keyboard = {
163 .name = "keyboard",
164 .modes = pmx_keyboard_modes,
165 .mode_count = ARRAY_SIZE(pmx_keyboard_modes),
166 .enb_on_reset = 1,
167 };
168
169 static struct pmx_dev_mode pmx_clcd_modes[] = {
170 {
171 .ids = PHOTO_FRAME_MODE,
172 .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK ,
173 }, {
174 .ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE |
175 CAMU_LCD_MODE | CAML_LCD_MODE,
176 .mask = PMX_TIMER_3_4_MASK,
177 },
178 };
179
180 struct pmx_dev spear300_pmx_clcd = {
181 .name = "clcd",
182 .modes = pmx_clcd_modes,
183 .mode_count = ARRAY_SIZE(pmx_clcd_modes),
184 .enb_on_reset = 1,
185 };
186
187 static struct pmx_dev_mode pmx_telecom_gpio_modes[] = {
188 {
189 .ids = PHOTO_FRAME_MODE | CAMU_LCD_MODE | CAML_LCD_MODE,
190 .mask = PMX_MII_MASK,
191 }, {
192 .ids = LEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE,
193 .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
194 }, {
195 .ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_WLCD_MODE,
196 .mask = PMX_MII_MASK | PMX_TIMER_3_4_MASK,
197 }, {
198 .ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE,
199 .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK,
200 }, {
201 .ids = ATA_PABX_WI2S_MODE,
202 .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK
203 | PMX_UART0_MODEM_MASK,
204 },
205 };
206
207 struct pmx_dev spear300_pmx_telecom_gpio = {
208 .name = "telecom_gpio",
209 .modes = pmx_telecom_gpio_modes,
210 .mode_count = ARRAY_SIZE(pmx_telecom_gpio_modes),
211 .enb_on_reset = 1,
212 };
213
214 static struct pmx_dev_mode pmx_telecom_tdm_modes[] = {
215 {
216 .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
217 HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE
218 | HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE
219 | ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
220 | CAMU_WLCD_MODE | CAML_LCD_MODE,
221 .mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK,
222 },
223 };
224
225 struct pmx_dev spear300_pmx_telecom_tdm = {
226 .name = "telecom_tdm",
227 .modes = pmx_telecom_tdm_modes,
228 .mode_count = ARRAY_SIZE(pmx_telecom_tdm_modes),
229 .enb_on_reset = 1,
230 };
231
232 static struct pmx_dev_mode pmx_telecom_spi_cs_i2c_clk_modes[] = {
233 {
234 .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
235 LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE
236 | ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE |
237 CAML_LCDW_MODE | CAML_LCD_MODE,
238 .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
239 },
240 };
241
242 struct pmx_dev spear300_pmx_telecom_spi_cs_i2c_clk = {
243 .name = "telecom_spi_cs_i2c_clk",
244 .modes = pmx_telecom_spi_cs_i2c_clk_modes,
245 .mode_count = ARRAY_SIZE(pmx_telecom_spi_cs_i2c_clk_modes),
246 .enb_on_reset = 1,
247 };
248
249 static struct pmx_dev_mode pmx_telecom_camera_modes[] = {
250 {
251 .ids = CAML_LCDW_MODE | CAML_LCD_MODE,
252 .mask = PMX_MII_MASK,
253 }, {
254 .ids = CAMU_LCD_MODE | CAMU_WLCD_MODE,
255 .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK | PMX_MII_MASK,
256 },
257 };
258
259 struct pmx_dev spear300_pmx_telecom_camera = {
260 .name = "telecom_camera",
261 .modes = pmx_telecom_camera_modes,
262 .mode_count = ARRAY_SIZE(pmx_telecom_camera_modes),
263 .enb_on_reset = 1,
264 };
265
266 static struct pmx_dev_mode pmx_telecom_dac_modes[] = {
267 {
268 .ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
269 | CAMU_WLCD_MODE | CAML_LCD_MODE,
270 .mask = PMX_TIMER_1_2_MASK,
271 },
272 };
273
274 struct pmx_dev spear300_pmx_telecom_dac = {
275 .name = "telecom_dac",
276 .modes = pmx_telecom_dac_modes,
277 .mode_count = ARRAY_SIZE(pmx_telecom_dac_modes),
278 .enb_on_reset = 1,
279 };
280
281 static struct pmx_dev_mode pmx_telecom_i2s_modes[] = {
282 {
283 .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE
284 | LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
285 ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
286 | CAMU_WLCD_MODE | CAML_LCD_MODE,
287 .mask = PMX_UART0_MODEM_MASK,
288 },
289 };
290
291 struct pmx_dev spear300_pmx_telecom_i2s = {
292 .name = "telecom_i2s",
293 .modes = pmx_telecom_i2s_modes,
294 .mode_count = ARRAY_SIZE(pmx_telecom_i2s_modes),
295 .enb_on_reset = 1,
296 };
297
298 static struct pmx_dev_mode pmx_telecom_boot_pins_modes[] = {
299 {
300 .ids = NAND_MODE | NOR_MODE,
301 .mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
302 PMX_TIMER_3_4_MASK,
303 },
304 };
305
306 struct pmx_dev spear300_pmx_telecom_boot_pins = {
307 .name = "telecom_boot_pins",
308 .modes = pmx_telecom_boot_pins_modes,
309 .mode_count = ARRAY_SIZE(pmx_telecom_boot_pins_modes),
310 .enb_on_reset = 1,
311 };
312
313 static struct pmx_dev_mode pmx_telecom_sdhci_4bit_modes[] = {
314 {
315 .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
316 HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
317 HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
318 CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE |
319 ATA_PABX_I2S_MODE,
320 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
321 PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
322 PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
323 },
324 };
325
326 struct pmx_dev spear300_pmx_telecom_sdhci_4bit = {
327 .name = "telecom_sdhci_4bit",
328 .modes = pmx_telecom_sdhci_4bit_modes,
329 .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_4bit_modes),
330 .enb_on_reset = 1,
331 };
332
333 static struct pmx_dev_mode pmx_telecom_sdhci_8bit_modes[] = {
334 {
335 .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
336 HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
337 HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
338 CAMU_WLCD_MODE | CAML_LCD_MODE,
339 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
340 PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
341 PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK,
342 },
343 };
344
345 struct pmx_dev spear300_pmx_telecom_sdhci_8bit = {
346 .name = "telecom_sdhci_8bit",
347 .modes = pmx_telecom_sdhci_8bit_modes,
348 .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_8bit_modes),
349 .enb_on_reset = 1,
350 };
351
352 static struct pmx_dev_mode pmx_gpio1_modes[] = {
353 {
354 .ids = PHOTO_FRAME_MODE,
355 .mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
356 PMX_TIMER_3_4_MASK,
357 },
358 };
359
360 struct pmx_dev spear300_pmx_gpio1 = {
361 .name = "arm gpio1",
362 .modes = pmx_gpio1_modes,
363 .mode_count = ARRAY_SIZE(pmx_gpio1_modes),
364 .enb_on_reset = 1,
365 };
366
367 /* pmx driver structure */
368 static struct pmx_driver pmx_driver = {
369 .mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x0000000f},
370 .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff},
371 };
372
373 /* spear3xx shared irq */
374 static struct shirq_dev_config shirq_ras1_config[] = {
375 {
376 .virq = SPEAR300_VIRQ_IT_PERS_S,
377 .enb_mask = SPEAR300_IT_PERS_S_IRQ_MASK,
378 .status_mask = SPEAR300_IT_PERS_S_IRQ_MASK,
379 }, {
380 .virq = SPEAR300_VIRQ_IT_CHANGE_S,
381 .enb_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK,
382 .status_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK,
383 }, {
384 .virq = SPEAR300_VIRQ_I2S,
385 .enb_mask = SPEAR300_I2S_IRQ_MASK,
386 .status_mask = SPEAR300_I2S_IRQ_MASK,
387 }, {
388 .virq = SPEAR300_VIRQ_TDM,
389 .enb_mask = SPEAR300_TDM_IRQ_MASK,
390 .status_mask = SPEAR300_TDM_IRQ_MASK,
391 }, {
392 .virq = SPEAR300_VIRQ_CAMERA_L,
393 .enb_mask = SPEAR300_CAMERA_L_IRQ_MASK,
394 .status_mask = SPEAR300_CAMERA_L_IRQ_MASK,
395 }, {
396 .virq = SPEAR300_VIRQ_CAMERA_F,
397 .enb_mask = SPEAR300_CAMERA_F_IRQ_MASK,
398 .status_mask = SPEAR300_CAMERA_F_IRQ_MASK,
399 }, {
400 .virq = SPEAR300_VIRQ_CAMERA_V,
401 .enb_mask = SPEAR300_CAMERA_V_IRQ_MASK,
402 .status_mask = SPEAR300_CAMERA_V_IRQ_MASK,
403 }, {
404 .virq = SPEAR300_VIRQ_KEYBOARD,
405 .enb_mask = SPEAR300_KEYBOARD_IRQ_MASK,
406 .status_mask = SPEAR300_KEYBOARD_IRQ_MASK,
407 }, {
408 .virq = SPEAR300_VIRQ_GPIO1,
409 .enb_mask = SPEAR300_GPIO1_IRQ_MASK,
410 .status_mask = SPEAR300_GPIO1_IRQ_MASK,
411 },
412 };
413
414 static struct spear_shirq shirq_ras1 = {
415 .irq = SPEAR3XX_IRQ_GEN_RAS_1,
416 .dev_config = shirq_ras1_config,
417 .dev_count = ARRAY_SIZE(shirq_ras1_config),
418 .regs = {
419 .enb_reg = SPEAR300_INT_ENB_MASK_REG,
420 .status_reg = SPEAR300_INT_STS_MASK_REG,
421 .status_reg_mask = SPEAR300_SHIRQ_RAS1_MASK,
422 .clear_reg = -1,
423 },
424 };
425
426 /* Add spear300 specific devices here */
427 /* arm gpio1 device registration */
428 static struct pl061_platform_data gpio1_plat_data = {
429 .gpio_base = 8,
430 .irq_base = SPEAR300_GPIO1_INT_BASE,
431 };
432
433 AMBA_APB_DEVICE(spear300_gpio1, "gpio1", 0, SPEAR300_GPIO_BASE,
434 {SPEAR300_VIRQ_GPIO1}, &gpio1_plat_data);
435
436 /* spear300 routines */
spear300_init(struct pmx_mode * pmx_mode,struct pmx_dev ** pmx_devs,u8 pmx_dev_count)437 void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
438 u8 pmx_dev_count)
439 {
440 int ret = 0;
441
442 /* call spear3xx family common init function */
443 spear3xx_init();
444
445 /* shared irq registration */
446 shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K);
447 if (shirq_ras1.regs.base) {
448 ret = spear_shirq_register(&shirq_ras1);
449 if (ret)
450 printk(KERN_ERR "Error registering Shared IRQ\n");
451 }
452
453 /* pmx initialization */
454 pmx_driver.mode = pmx_mode;
455 pmx_driver.devs = pmx_devs;
456 pmx_driver.devs_count = pmx_dev_count;
457
458 pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K);
459 if (pmx_driver.base) {
460 ret = pmx_register(&pmx_driver);
461 if (ret)
462 printk(KERN_ERR "padmux: registration failed. err no"
463 ": %d\n", ret);
464 /* Free Mapping, device selection already done */
465 iounmap(pmx_driver.base);
466 }
467 }
468