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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-pxa/pxa27x.c | |
3 | * | |
4 | * Author: Nicolas Pitre | |
5 | * Created: Nov 05, 2002 | |
6 | * Copyright: MontaVista Software Inc. | |
7 | * | |
8 | * Code specific to PXA27x aka Bulverde. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
2f8163ba | 14 | #include <linux/gpio.h> |
157d2644 | 15 | #include <linux/gpio-pxa.h> |
1da177e4 LT |
16 | #include <linux/module.h> |
17 | #include <linux/kernel.h> | |
18 | #include <linux/init.h> | |
95d9ffbe | 19 | #include <linux/suspend.h> |
d052d1be | 20 | #include <linux/platform_device.h> |
2eaa03b5 | 21 | #include <linux/syscore_ops.h> |
ad68bb9f | 22 | #include <linux/io.h> |
a3f4c927 | 23 | #include <linux/irq.h> |
b459396e | 24 | #include <linux/i2c/pxa-i2c.h> |
1da177e4 | 25 | |
851982c1 | 26 | #include <asm/mach/map.h> |
a09e64fb | 27 | #include <mach/hardware.h> |
1da177e4 | 28 | #include <asm/irq.h> |
2c74a0ce | 29 | #include <asm/suspend.h> |
a09e64fb | 30 | #include <mach/irqs.h> |
51c62982 | 31 | #include <mach/pxa27x.h> |
afd2fc02 | 32 | #include <mach/reset.h> |
293b2da1 | 33 | #include <linux/platform_data/usb-ohci-pxa27x.h> |
a09e64fb RK |
34 | #include <mach/pm.h> |
35 | #include <mach/dma.h> | |
ad68bb9f MV |
36 | #include <mach/smemc.h> |
37 | ||
1da177e4 | 38 | #include "generic.h" |
46c41e62 | 39 | #include "devices.h" |
a6dba20c | 40 | #include "clock.h" |
1da177e4 | 41 | |
0cb0b0d3 EM |
42 | void pxa27x_clear_otgph(void) |
43 | { | |
44 | if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH)) | |
45 | PSSR |= PSSR_OTGPH; | |
46 | } | |
47 | EXPORT_SYMBOL(pxa27x_clear_otgph); | |
48 | ||
fb1bf8cd | 49 | static unsigned long ac97_reset_config[] = { |
3b4bc7bc | 50 | GPIO113_AC97_nRESET_GPIO_HIGH, |
5e16e3cb | 51 | GPIO113_AC97_nRESET, |
3b4bc7bc | 52 | GPIO95_AC97_nRESET_GPIO_HIGH, |
5e16e3cb | 53 | GPIO95_AC97_nRESET, |
fb1bf8cd EM |
54 | }; |
55 | ||
053fe0f1 | 56 | void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio) |
fb1bf8cd | 57 | { |
053fe0f1 MD |
58 | /* |
59 | * This helper function is used to work around a bug in the pxa27x's | |
60 | * ac97 controller during a warm reset. The configuration of the | |
61 | * reset_gpio is changed as follows: | |
62 | * to_gpio == true: configured to generic output gpio and driven high | |
63 | * to_gpio == false: configured to ac97 controller alt fn AC97_nRESET | |
64 | */ | |
65 | ||
fb1bf8cd | 66 | if (reset_gpio == 113) |
053fe0f1 MD |
67 | pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[0] : |
68 | &ac97_reset_config[1], 1); | |
fb1bf8cd EM |
69 | |
70 | if (reset_gpio == 95) | |
053fe0f1 MD |
71 | pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[2] : |
72 | &ac97_reset_config[3], 1); | |
fb1bf8cd | 73 | } |
053fe0f1 | 74 | EXPORT_SYMBOL_GPL(pxa27x_configure_ac97reset); |
fb1bf8cd | 75 | |
1da177e4 LT |
76 | /* Crystal clock: 13MHz */ |
77 | #define BASE_CLK 13000000 | |
78 | ||
79 | /* | |
80 | * Get the clock frequency as reflected by CCSR and the turbo flag. | |
81 | * We assume these values have been applied via a fcs. | |
82 | * If info is not 0 we also display the current settings. | |
83 | */ | |
15a40333 | 84 | unsigned int pxa27x_get_clk_frequency_khz(int info) |
1da177e4 LT |
85 | { |
86 | unsigned long ccsr, clkcfg; | |
87 | unsigned int l, L, m, M, n2, N, S; | |
88 | int cccr_a, t, ht, b; | |
89 | ||
90 | ccsr = CCSR; | |
91 | cccr_a = CCCR & (1 << 25); | |
92 | ||
93 | /* Read clkcfg register: it has turbo, b, half-turbo (and f) */ | |
94 | asm( "mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg) ); | |
afe5df20 | 95 | t = clkcfg & (1 << 0); |
1da177e4 LT |
96 | ht = clkcfg & (1 << 2); |
97 | b = clkcfg & (1 << 3); | |
98 | ||
99 | l = ccsr & 0x1f; | |
100 | n2 = (ccsr>>7) & 0xf; | |
101 | m = (l <= 10) ? 1 : (l <= 20) ? 2 : 4; | |
102 | ||
103 | L = l * BASE_CLK; | |
104 | N = (L * n2) / 2; | |
105 | M = (!cccr_a) ? (L/m) : ((b) ? L : (L/2)); | |
106 | S = (b) ? L : (L/2); | |
107 | ||
108 | if (info) { | |
109 | printk( KERN_INFO "Run Mode clock: %d.%02dMHz (*%d)\n", | |
110 | L / 1000000, (L % 1000000) / 10000, l ); | |
111 | printk( KERN_INFO "Turbo Mode clock: %d.%02dMHz (*%d.%d, %sactive)\n", | |
112 | N / 1000000, (N % 1000000)/10000, n2 / 2, (n2 % 2)*5, | |
113 | (t) ? "" : "in" ); | |
114 | printk( KERN_INFO "Memory clock: %d.%02dMHz (/%d)\n", | |
115 | M / 1000000, (M % 1000000) / 10000, m ); | |
116 | printk( KERN_INFO "System bus clock: %d.%02dMHz \n", | |
117 | S / 1000000, (S % 1000000) / 10000 ); | |
118 | } | |
119 | ||
120 | return (t) ? (N/1000) : (L/1000); | |
121 | } | |
122 | ||
123 | /* | |
2a125dd5 | 124 | * Return the current mem clock frequency as reflected by CCCR[A], B, and L |
1da177e4 | 125 | */ |
2a125dd5 | 126 | static unsigned long clk_pxa27x_mem_getrate(struct clk *clk) |
1da177e4 LT |
127 | { |
128 | unsigned long ccsr, clkcfg; | |
129 | unsigned int l, L, m, M; | |
130 | int cccr_a, b; | |
131 | ||
132 | ccsr = CCSR; | |
133 | cccr_a = CCCR & (1 << 25); | |
134 | ||
135 | /* Read clkcfg register: it has turbo, b, half-turbo (and f) */ | |
136 | asm( "mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg) ); | |
137 | b = clkcfg & (1 << 3); | |
138 | ||
139 | l = ccsr & 0x1f; | |
140 | m = (l <= 10) ? 1 : (l <= 20) ? 2 : 4; | |
141 | ||
142 | L = l * BASE_CLK; | |
143 | M = (!cccr_a) ? (L/m) : ((b) ? L : (L/2)); | |
144 | ||
2a125dd5 | 145 | return M; |
1da177e4 LT |
146 | } |
147 | ||
2a125dd5 EM |
148 | static const struct clkops clk_pxa27x_mem_ops = { |
149 | .enable = clk_dummy_enable, | |
150 | .disable = clk_dummy_disable, | |
151 | .getrate = clk_pxa27x_mem_getrate, | |
152 | }; | |
153 | ||
1da177e4 LT |
154 | /* |
155 | * Return the current LCD clock frequency in units of 10kHz as | |
156 | */ | |
a88a447d | 157 | static unsigned int pxa27x_get_lcdclk_frequency_10khz(void) |
1da177e4 LT |
158 | { |
159 | unsigned long ccsr; | |
160 | unsigned int l, L, k, K; | |
161 | ||
162 | ccsr = CCSR; | |
163 | ||
164 | l = ccsr & 0x1f; | |
165 | k = (l <= 7) ? 1 : (l <= 16) ? 2 : 4; | |
166 | ||
167 | L = l * BASE_CLK; | |
168 | K = L / k; | |
169 | ||
170 | return (K / 10000); | |
171 | } | |
172 | ||
a6dba20c RK |
173 | static unsigned long clk_pxa27x_lcd_getrate(struct clk *clk) |
174 | { | |
175 | return pxa27x_get_lcdclk_frequency_10khz() * 10000; | |
176 | } | |
177 | ||
178 | static const struct clkops clk_pxa27x_lcd_ops = { | |
4029813c EM |
179 | .enable = clk_pxa2xx_cken_enable, |
180 | .disable = clk_pxa2xx_cken_disable, | |
a6dba20c RK |
181 | .getrate = clk_pxa27x_lcd_getrate, |
182 | }; | |
183 | ||
4029813c EM |
184 | static DEFINE_PXA2_CKEN(pxa27x_ffuart, FFUART, 14857000, 1); |
185 | static DEFINE_PXA2_CKEN(pxa27x_btuart, BTUART, 14857000, 1); | |
186 | static DEFINE_PXA2_CKEN(pxa27x_stuart, STUART, 14857000, 1); | |
187 | static DEFINE_PXA2_CKEN(pxa27x_i2s, I2S, 14682000, 0); | |
188 | static DEFINE_PXA2_CKEN(pxa27x_i2c, I2C, 32842000, 0); | |
189 | static DEFINE_PXA2_CKEN(pxa27x_usb, USB, 48000000, 5); | |
190 | static DEFINE_PXA2_CKEN(pxa27x_mmc, MMC, 19500000, 0); | |
191 | static DEFINE_PXA2_CKEN(pxa27x_ficp, FICP, 48000000, 0); | |
192 | static DEFINE_PXA2_CKEN(pxa27x_usbhost, USBHOST, 48000000, 0); | |
193 | static DEFINE_PXA2_CKEN(pxa27x_pwri2c, PWRI2C, 13000000, 0); | |
194 | static DEFINE_PXA2_CKEN(pxa27x_keypad, KEYPAD, 32768, 0); | |
195 | static DEFINE_PXA2_CKEN(pxa27x_ssp1, SSP1, 13000000, 0); | |
196 | static DEFINE_PXA2_CKEN(pxa27x_ssp2, SSP2, 13000000, 0); | |
197 | static DEFINE_PXA2_CKEN(pxa27x_ssp3, SSP3, 13000000, 0); | |
198 | static DEFINE_PXA2_CKEN(pxa27x_pwm0, PWM0, 13000000, 0); | |
199 | static DEFINE_PXA2_CKEN(pxa27x_pwm1, PWM1, 13000000, 0); | |
200 | static DEFINE_PXA2_CKEN(pxa27x_ac97, AC97, 24576000, 0); | |
201 | static DEFINE_PXA2_CKEN(pxa27x_ac97conf, AC97CONF, 24576000, 0); | |
202 | static DEFINE_PXA2_CKEN(pxa27x_msl, MSL, 48000000, 0); | |
203 | static DEFINE_PXA2_CKEN(pxa27x_usim, USIM, 48000000, 0); | |
204 | static DEFINE_PXA2_CKEN(pxa27x_memstk, MEMSTK, 19500000, 0); | |
205 | static DEFINE_PXA2_CKEN(pxa27x_im, IM, 0, 0); | |
206 | static DEFINE_PXA2_CKEN(pxa27x_memc, MEMC, 0, 0); | |
207 | ||
8c3abc7d RK |
208 | static DEFINE_CK(pxa27x_lcd, LCD, &clk_pxa27x_lcd_ops); |
209 | static DEFINE_CK(pxa27x_camera, CAMERA, &clk_pxa27x_lcd_ops); | |
2a125dd5 | 210 | static DEFINE_CLK(pxa27x_mem, &clk_pxa27x_mem_ops, 0, 0); |
8c3abc7d RK |
211 | |
212 | static struct clk_lookup pxa27x_clkregs[] = { | |
213 | INIT_CLKREG(&clk_pxa27x_lcd, "pxa2xx-fb", NULL), | |
214 | INIT_CLKREG(&clk_pxa27x_camera, "pxa27x-camera.0", NULL), | |
215 | INIT_CLKREG(&clk_pxa27x_ffuart, "pxa2xx-uart.0", NULL), | |
216 | INIT_CLKREG(&clk_pxa27x_btuart, "pxa2xx-uart.1", NULL), | |
217 | INIT_CLKREG(&clk_pxa27x_stuart, "pxa2xx-uart.2", NULL), | |
218 | INIT_CLKREG(&clk_pxa27x_i2s, "pxa2xx-i2s", NULL), | |
219 | INIT_CLKREG(&clk_pxa27x_i2c, "pxa2xx-i2c.0", NULL), | |
220 | INIT_CLKREG(&clk_pxa27x_usb, "pxa27x-udc", NULL), | |
221 | INIT_CLKREG(&clk_pxa27x_mmc, "pxa2xx-mci.0", NULL), | |
222 | INIT_CLKREG(&clk_pxa27x_stuart, "pxa2xx-ir", "UARTCLK"), | |
223 | INIT_CLKREG(&clk_pxa27x_ficp, "pxa2xx-ir", "FICPCLK"), | |
224 | INIT_CLKREG(&clk_pxa27x_usbhost, "pxa27x-ohci", NULL), | |
225 | INIT_CLKREG(&clk_pxa27x_pwri2c, "pxa2xx-i2c.1", NULL), | |
226 | INIT_CLKREG(&clk_pxa27x_keypad, "pxa27x-keypad", NULL), | |
227 | INIT_CLKREG(&clk_pxa27x_ssp1, "pxa27x-ssp.0", NULL), | |
228 | INIT_CLKREG(&clk_pxa27x_ssp2, "pxa27x-ssp.1", NULL), | |
229 | INIT_CLKREG(&clk_pxa27x_ssp3, "pxa27x-ssp.2", NULL), | |
230 | INIT_CLKREG(&clk_pxa27x_pwm0, "pxa27x-pwm.0", NULL), | |
231 | INIT_CLKREG(&clk_pxa27x_pwm1, "pxa27x-pwm.1", NULL), | |
232 | INIT_CLKREG(&clk_pxa27x_ac97, NULL, "AC97CLK"), | |
233 | INIT_CLKREG(&clk_pxa27x_ac97conf, NULL, "AC97CONFCLK"), | |
234 | INIT_CLKREG(&clk_pxa27x_msl, NULL, "MSLCLK"), | |
235 | INIT_CLKREG(&clk_pxa27x_usim, NULL, "USIMCLK"), | |
236 | INIT_CLKREG(&clk_pxa27x_memstk, NULL, "MSTKCLK"), | |
237 | INIT_CLKREG(&clk_pxa27x_im, NULL, "IMCLK"), | |
238 | INIT_CLKREG(&clk_pxa27x_memc, NULL, "MEMCLK"), | |
2a125dd5 | 239 | INIT_CLKREG(&clk_pxa27x_mem, "pxa2xx-pcmcia", NULL), |
2cab0292 | 240 | INIT_CLKREG(&clk_dummy, "pxa27x-gpio", NULL), |
495b21dc | 241 | INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), |
a6dba20c RK |
242 | }; |
243 | ||
a8fa3f0c NP |
244 | #ifdef CONFIG_PM |
245 | ||
711be5cc EM |
246 | #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x |
247 | #define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] | |
248 | ||
d082d36e MR |
249 | /* |
250 | * allow platforms to override default PWRMODE setting used for PM_SUSPEND_MEM | |
251 | */ | |
252 | static unsigned int pwrmode = PWRMODE_SLEEP; | |
253 | ||
254 | int __init pxa27x_set_pwrmode(unsigned int mode) | |
255 | { | |
256 | switch (mode) { | |
257 | case PWRMODE_SLEEP: | |
258 | case PWRMODE_DEEPSLEEP: | |
259 | pwrmode = mode; | |
260 | return 0; | |
261 | } | |
262 | ||
263 | return -EINVAL; | |
264 | } | |
265 | ||
711be5cc EM |
266 | /* |
267 | * List of global PXA peripheral registers to preserve. | |
268 | * More ones like CP and general purpose register values are preserved | |
269 | * with the stack pointer in sleep.S. | |
270 | */ | |
5a3d9651 | 271 | enum { |
711be5cc | 272 | SLEEP_SAVE_PSTR, |
711be5cc | 273 | SLEEP_SAVE_MDREFR, |
5a3d9651 | 274 | SLEEP_SAVE_PCFR, |
649de51b | 275 | SLEEP_SAVE_COUNT |
711be5cc EM |
276 | }; |
277 | ||
278 | void pxa27x_cpu_pm_save(unsigned long *sleep_save) | |
279 | { | |
ad68bb9f | 280 | sleep_save[SLEEP_SAVE_MDREFR] = __raw_readl(MDREFR); |
5a3d9651 | 281 | SAVE(PCFR); |
711be5cc | 282 | |
711be5cc | 283 | SAVE(PSTR); |
711be5cc EM |
284 | } |
285 | ||
286 | void pxa27x_cpu_pm_restore(unsigned long *sleep_save) | |
287 | { | |
ad68bb9f | 288 | __raw_writel(sleep_save[SLEEP_SAVE_MDREFR], MDREFR); |
5a3d9651 | 289 | RESTORE(PCFR); |
711be5cc EM |
290 | |
291 | PSSR = PSSR_RDH | PSSR_PH; | |
292 | ||
711be5cc EM |
293 | RESTORE(PSTR); |
294 | } | |
295 | ||
296 | void pxa27x_cpu_pm_enter(suspend_state_t state) | |
8775420d TP |
297 | { |
298 | extern void pxa_cpu_standby(void); | |
a9503d21 RK |
299 | #ifndef CONFIG_IWMMXT |
300 | u64 acc0; | |
301 | ||
302 | asm volatile("mra %Q0, %R0, acc0" : "=r" (acc0)); | |
303 | #endif | |
8775420d | 304 | |
8775420d TP |
305 | /* ensure voltage-change sequencer not initiated, which hangs */ |
306 | PCFR &= ~PCFR_FVC; | |
307 | ||
308 | /* Clear edge-detect status register. */ | |
309 | PEDR = 0xDF12FE1B; | |
310 | ||
dc38e2ad RK |
311 | /* Clear reset status */ |
312 | RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; | |
313 | ||
8775420d | 314 | switch (state) { |
26705ca4 TP |
315 | case PM_SUSPEND_STANDBY: |
316 | pxa_cpu_standby(); | |
317 | break; | |
8775420d | 318 | case PM_SUSPEND_MEM: |
2c74a0ce | 319 | cpu_suspend(pwrmode, pxa27x_finish_suspend); |
a9503d21 RK |
320 | #ifndef CONFIG_IWMMXT |
321 | asm volatile("mar acc0, %Q0, %R0" : "=r" (acc0)); | |
322 | #endif | |
8775420d TP |
323 | break; |
324 | } | |
325 | } | |
1da177e4 | 326 | |
711be5cc | 327 | static int pxa27x_cpu_pm_valid(suspend_state_t state) |
88dfe98c RK |
328 | { |
329 | return state == PM_SUSPEND_MEM || state == PM_SUSPEND_STANDBY; | |
330 | } | |
331 | ||
4104980a RK |
332 | static int pxa27x_cpu_pm_prepare(void) |
333 | { | |
334 | /* set resume return address */ | |
4f5ad99b | 335 | PSPR = virt_to_phys(cpu_resume); |
4104980a RK |
336 | return 0; |
337 | } | |
338 | ||
339 | static void pxa27x_cpu_pm_finish(void) | |
340 | { | |
341 | /* ensure not to come back here if it wasn't intended */ | |
342 | PSPR = 0; | |
343 | } | |
344 | ||
711be5cc | 345 | static struct pxa_cpu_pm_fns pxa27x_cpu_pm_fns = { |
649de51b | 346 | .save_count = SLEEP_SAVE_COUNT, |
711be5cc EM |
347 | .save = pxa27x_cpu_pm_save, |
348 | .restore = pxa27x_cpu_pm_restore, | |
349 | .valid = pxa27x_cpu_pm_valid, | |
350 | .enter = pxa27x_cpu_pm_enter, | |
4104980a RK |
351 | .prepare = pxa27x_cpu_pm_prepare, |
352 | .finish = pxa27x_cpu_pm_finish, | |
e176bb05 | 353 | }; |
711be5cc EM |
354 | |
355 | static void __init pxa27x_init_pm(void) | |
356 | { | |
357 | pxa_cpu_pm_fns = &pxa27x_cpu_pm_fns; | |
358 | } | |
f79299ca | 359 | #else |
360 | static inline void pxa27x_init_pm(void) {} | |
a8fa3f0c NP |
361 | #endif |
362 | ||
c95530c7 | 363 | /* PXA27x: Various gpios can issue wakeup events. This logic only |
364 | * handles the simple cases, not the WEMUX2 and WEMUX3 options | |
365 | */ | |
a3f4c927 | 366 | static int pxa27x_set_wake(struct irq_data *d, unsigned int on) |
c95530c7 | 367 | { |
4929f5a8 | 368 | int gpio = pxa_irq_to_gpio(d->irq); |
c95530c7 | 369 | uint32_t mask; |
370 | ||
c0a596d6 | 371 | if (gpio >= 0 && gpio < 128) |
372 | return gpio_set_wake(gpio, on); | |
c95530c7 | 373 | |
a3f4c927 | 374 | if (d->irq == IRQ_KEYPAD) |
c0a596d6 | 375 | return keypad_set_wake(on); |
c95530c7 | 376 | |
a3f4c927 | 377 | switch (d->irq) { |
c95530c7 | 378 | case IRQ_RTCAlrm: |
379 | mask = PWER_RTC; | |
380 | break; | |
381 | case IRQ_USB: | |
382 | mask = 1u << 26; | |
383 | break; | |
384 | default: | |
385 | return -EINVAL; | |
386 | } | |
387 | ||
c95530c7 | 388 | if (on) |
389 | PWER |= mask; | |
390 | else | |
391 | PWER &=~mask; | |
392 | ||
393 | return 0; | |
394 | } | |
395 | ||
396 | void __init pxa27x_init_irq(void) | |
397 | { | |
b9e25ace | 398 | pxa_init_irq(34, pxa27x_set_wake); |
c95530c7 | 399 | } |
400 | ||
ef6dbda6 RJ |
401 | void __init pxa27x_dt_init_irq(void) |
402 | { | |
403 | if (IS_ENABLED(CONFIG_OF)) | |
404 | pxa_dt_irq_init(pxa27x_set_wake); | |
405 | } | |
406 | ||
851982c1 MV |
407 | static struct map_desc pxa27x_io_desc[] __initdata = { |
408 | { /* Mem Ctl */ | |
97b09da4 | 409 | .virtual = (unsigned long)SMEMC_VIRT, |
ad68bb9f | 410 | .pfn = __phys_to_pfn(PXA2XX_SMEMC_BASE), |
0e32986c | 411 | .length = SMEMC_SIZE, |
851982c1 | 412 | .type = MT_DEVICE |
b10f1c83 LP |
413 | }, { /* UNCACHED_PHYS_0 */ |
414 | .virtual = UNCACHED_PHYS_0, | |
415 | .pfn = __phys_to_pfn(0x00000000), | |
416 | .length = UNCACHED_PHYS_0_SIZE, | |
417 | .type = MT_DEVICE | |
851982c1 MV |
418 | }, |
419 | }; | |
420 | ||
421 | void __init pxa27x_map_io(void) | |
422 | { | |
423 | pxa_map_io(); | |
424 | iotable_init(ARRAY_AND_SIZE(pxa27x_io_desc)); | |
425 | pxa27x_get_clk_frequency_khz(1); | |
426 | } | |
427 | ||
1da177e4 LT |
428 | /* |
429 | * device registration specific to PXA27x. | |
430 | */ | |
9ba63c4f | 431 | void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info) |
b7a36701 | 432 | { |
bc3a5959 PZ |
433 | local_irq_disable(); |
434 | PCFR |= PCFR_PI2CEN; | |
435 | local_irq_enable(); | |
14758220 | 436 | pxa_register_device(&pxa27x_device_i2c_power, info); |
b7a36701 MR |
437 | } |
438 | ||
b95ace54 | 439 | static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = { |
b8f649f1 HZ |
440 | .irq_base = PXA_GPIO_TO_IRQ(0), |
441 | .gpio_set_wake = gpio_set_wake, | |
b95ace54 RJ |
442 | }; |
443 | ||
1da177e4 | 444 | static struct platform_device *devices[] __initdata = { |
7a857620 | 445 | &pxa27x_device_udc, |
09a5358d | 446 | &pxa_device_pmu, |
e09d02e1 | 447 | &pxa_device_i2s, |
f0fba2ad LG |
448 | &pxa_device_asoc_ssp1, |
449 | &pxa_device_asoc_ssp2, | |
450 | &pxa_device_asoc_ssp3, | |
451 | &pxa_device_asoc_platform, | |
72493146 | 452 | &sa1100_device_rtc, |
e09d02e1 | 453 | &pxa_device_rtc, |
d8e0db11 | 454 | &pxa27x_device_ssp1, |
455 | &pxa27x_device_ssp2, | |
456 | &pxa27x_device_ssp3, | |
75540c1a | 457 | &pxa27x_device_pwm0, |
458 | &pxa27x_device_pwm1, | |
1da177e4 LT |
459 | }; |
460 | ||
461 | static int __init pxa27x_init(void) | |
462 | { | |
2eaa03b5 | 463 | int ret = 0; |
c0165504 | 464 | |
e176bb05 | 465 | if (cpu_is_pxa27x()) { |
04fef228 EM |
466 | |
467 | reset_status = RCSR; | |
468 | ||
0a0300dc | 469 | clkdev_add_table(pxa27x_clkregs, ARRAY_SIZE(pxa27x_clkregs)); |
a6dba20c | 470 | |
fef1f99a | 471 | if ((ret = pxa_init_dma(IRQ_DMA, 32))) |
f53f066c | 472 | return ret; |
f79299ca | 473 | |
711be5cc | 474 | pxa27x_init_pm(); |
f79299ca | 475 | |
2eaa03b5 RW |
476 | register_syscore_ops(&pxa_irq_syscore_ops); |
477 | register_syscore_ops(&pxa2xx_mfp_syscore_ops); | |
2eaa03b5 | 478 | register_syscore_ops(&pxa2xx_clock_syscore_ops); |
c0165504 | 479 | |
2cab0292 | 480 | pxa_register_device(&pxa27x_device_gpio, &pxa27x_gpio_info); |
e176bb05 RK |
481 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
482 | } | |
c0165504 | 483 | |
e176bb05 | 484 | return ret; |
1da177e4 LT |
485 | } |
486 | ||
1c104e0e | 487 | postcore_initcall(pxa27x_init); |