pxa27x.c (e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30) pxa27x.c (5a3d96519040f9736b9f8089e2a1e33a81a6eafe)
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.

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178#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
179#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x]
180
181/*
182 * List of global PXA peripheral registers to preserve.
183 * More ones like CP and general purpose register values are preserved
184 * with the stack pointer in sleep.S.
185 */
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.

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178#define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x
179#define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x]
180
181/*
182 * List of global PXA peripheral registers to preserve.
183 * More ones like CP and general purpose register values are preserved
184 * with the stack pointer in sleep.S.
185 */
186enum { SLEEP_SAVE_PGSR0, SLEEP_SAVE_PGSR1, SLEEP_SAVE_PGSR2, SLEEP_SAVE_PGSR3,
187
188 SLEEP_SAVE_GAFR0_L, SLEEP_SAVE_GAFR0_U,
189 SLEEP_SAVE_GAFR1_L, SLEEP_SAVE_GAFR1_U,
190 SLEEP_SAVE_GAFR2_L, SLEEP_SAVE_GAFR2_U,
191 SLEEP_SAVE_GAFR3_L, SLEEP_SAVE_GAFR3_U,
192
186enum {
193 SLEEP_SAVE_PSTR,
187 SLEEP_SAVE_PSTR,
194
195 SLEEP_SAVE_CKEN,
188 SLEEP_SAVE_CKEN,
196
197 SLEEP_SAVE_MDREFR,
189 SLEEP_SAVE_MDREFR,
198 SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER,
199 SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR,
200
190 SLEEP_SAVE_PCFR,
201 SLEEP_SAVE_COUNT
202};
203
204void pxa27x_cpu_pm_save(unsigned long *sleep_save)
205{
191 SLEEP_SAVE_COUNT
192};
193
194void pxa27x_cpu_pm_save(unsigned long *sleep_save)
195{
206 SAVE(PGSR0); SAVE(PGSR1); SAVE(PGSR2); SAVE(PGSR3);
207
208 SAVE(GAFR0_L); SAVE(GAFR0_U);
209 SAVE(GAFR1_L); SAVE(GAFR1_U);
210 SAVE(GAFR2_L); SAVE(GAFR2_U);
211 SAVE(GAFR3_L); SAVE(GAFR3_U);
212
213 SAVE(MDREFR);
196 SAVE(MDREFR);
214 SAVE(PWER); SAVE(PCFR); SAVE(PRER);
215 SAVE(PFER); SAVE(PKWR);
197 SAVE(PCFR);
216
217 SAVE(CKEN);
218 SAVE(PSTR);
219}
220
221void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
222{
223 /* ensure not to come back here if it wasn't intended */
224 PSPR = 0;
225
198
199 SAVE(CKEN);
200 SAVE(PSTR);
201}
202
203void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
204{
205 /* ensure not to come back here if it wasn't intended */
206 PSPR = 0;
207
226 /* restore registers */
227 RESTORE(GAFR0_L); RESTORE(GAFR0_U);
228 RESTORE(GAFR1_L); RESTORE(GAFR1_U);
229 RESTORE(GAFR2_L); RESTORE(GAFR2_U);
230 RESTORE(GAFR3_L); RESTORE(GAFR3_U);
231 RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); RESTORE(PGSR3);
232
233 RESTORE(MDREFR);
208 RESTORE(MDREFR);
234 RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
235 RESTORE(PFER); RESTORE(PKWR);
209 RESTORE(PCFR);
236
237 PSSR = PSSR_RDH | PSSR_PH;
238
239 RESTORE(CKEN);
210
211 PSSR = PSSR_RDH | PSSR_PH;
212
213 RESTORE(CKEN);
240
241 RESTORE(PSTR);
242}
243
244void pxa27x_cpu_pm_enter(suspend_state_t state)
245{
246 extern void pxa_cpu_standby(void);
247
248 /* ensure voltage-change sequencer not initiated, which hangs */

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371 &pxa27x_device_pwm0,
372 &pxa27x_device_pwm1,
373};
374
375static struct sys_device pxa27x_sysdev[] = {
376 {
377 .cls = &pxa_irq_sysclass,
378 }, {
214 RESTORE(PSTR);
215}
216
217void pxa27x_cpu_pm_enter(suspend_state_t state)
218{
219 extern void pxa_cpu_standby(void);
220
221 /* ensure voltage-change sequencer not initiated, which hangs */

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344 &pxa27x_device_pwm0,
345 &pxa27x_device_pwm1,
346};
347
348static struct sys_device pxa27x_sysdev[] = {
349 {
350 .cls = &pxa_irq_sysclass,
351 }, {
352 .cls = &pxa2xx_mfp_sysclass,
353 }, {
379 .cls = &pxa_gpio_sysclass,
380 },
381};
382
383static int __init pxa27x_init(void)
384{
385 int i, ret = 0;
386

--- 24 unchanged lines hidden --- 		354 .cls = &pxa_gpio_sysclass,
355 },
356};
357
358static int __init pxa27x_init(void)
359{
360 int i, ret = 0;
361

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