diff options
Diffstat (limited to 'arch/arm/mach-pxa/pm.c')
-rw-r--r-- | arch/arm/mach-pxa/pm.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index 82a4bf34c251..ac4dd4336160 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c | |||
@@ -29,9 +29,6 @@ | |||
29 | */ | 29 | */ |
30 | #undef DEBUG | 30 | #undef DEBUG |
31 | 31 | ||
32 | extern void pxa_cpu_suspend(void); | ||
33 | extern void pxa_cpu_resume(void); | ||
34 | |||
35 | #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x | 32 | #define SAVE(x) sleep_save[SLEEP_SAVE_##x] = x |
36 | #define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] | 33 | #define RESTORE(x) x = sleep_save[SLEEP_SAVE_##x] |
37 | 34 | ||
@@ -63,6 +60,12 @@ enum { SLEEP_SAVE_START = 0, | |||
63 | SLEEP_SAVE_ICMR, | 60 | SLEEP_SAVE_ICMR, |
64 | SLEEP_SAVE_CKEN, | 61 | SLEEP_SAVE_CKEN, |
65 | 62 | ||
63 | #ifdef CONFIG_PXA27x | ||
64 | SLEEP_SAVE_MDREFR, | ||
65 | SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER, | ||
66 | SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR, | ||
67 | #endif | ||
68 | |||
66 | SLEEP_SAVE_CKSUM, | 69 | SLEEP_SAVE_CKSUM, |
67 | 70 | ||
68 | SLEEP_SAVE_SIZE | 71 | SLEEP_SAVE_SIZE |
@@ -75,9 +78,7 @@ static int pxa_pm_enter(suspend_state_t state) | |||
75 | unsigned long checksum = 0; | 78 | unsigned long checksum = 0; |
76 | struct timespec delta, rtc; | 79 | struct timespec delta, rtc; |
77 | int i; | 80 | int i; |
78 | 81 | extern void pxa_cpu_pm_enter(suspend_state_t state); | |
79 | if (state != PM_SUSPEND_MEM) | ||
80 | return -EINVAL; | ||
81 | 82 | ||
82 | #ifdef CONFIG_IWMMXT | 83 | #ifdef CONFIG_IWMMXT |
83 | /* force any iWMMXt context to ram **/ | 84 | /* force any iWMMXt context to ram **/ |
@@ -100,16 +101,17 @@ static int pxa_pm_enter(suspend_state_t state) | |||
100 | SAVE(GAFR2_L); SAVE(GAFR2_U); | 101 | SAVE(GAFR2_L); SAVE(GAFR2_U); |
101 | 102 | ||
102 | #ifdef CONFIG_PXA27x | 103 | #ifdef CONFIG_PXA27x |
104 | SAVE(MDREFR); | ||
103 | SAVE(GPLR3); SAVE(GPDR3); SAVE(GRER3); SAVE(GFER3); SAVE(PGSR3); | 105 | SAVE(GPLR3); SAVE(GPDR3); SAVE(GRER3); SAVE(GFER3); SAVE(PGSR3); |
104 | SAVE(GAFR3_L); SAVE(GAFR3_U); | 106 | SAVE(GAFR3_L); SAVE(GAFR3_U); |
107 | SAVE(PWER); SAVE(PCFR); SAVE(PRER); | ||
108 | SAVE(PFER); SAVE(PKWR); | ||
105 | #endif | 109 | #endif |
106 | 110 | ||
107 | SAVE(ICMR); | 111 | SAVE(ICMR); |
108 | ICMR = 0; | 112 | ICMR = 0; |
109 | 113 | ||
110 | SAVE(CKEN); | 114 | SAVE(CKEN); |
111 | CKEN = 0; | ||
112 | |||
113 | SAVE(PSTR); | 115 | SAVE(PSTR); |
114 | 116 | ||
115 | /* Note: wake up source are set up in each machine specific files */ | 117 | /* Note: wake up source are set up in each machine specific files */ |
@@ -123,16 +125,15 @@ static int pxa_pm_enter(suspend_state_t state) | |||
123 | /* Clear sleep reset status */ | 125 | /* Clear sleep reset status */ |
124 | RCSR = RCSR_SMR; | 126 | RCSR = RCSR_SMR; |
125 | 127 | ||
126 | /* set resume return address */ | ||
127 | PSPR = virt_to_phys(pxa_cpu_resume); | ||
128 | |||
129 | /* before sleeping, calculate and save a checksum */ | 128 | /* before sleeping, calculate and save a checksum */ |
130 | for (i = 0; i < SLEEP_SAVE_SIZE - 1; i++) | 129 | for (i = 0; i < SLEEP_SAVE_SIZE - 1; i++) |
131 | checksum += sleep_save[i]; | 130 | checksum += sleep_save[i]; |
132 | sleep_save[SLEEP_SAVE_CKSUM] = checksum; | 131 | sleep_save[SLEEP_SAVE_CKSUM] = checksum; |
133 | 132 | ||
134 | /* *** go zzz *** */ | 133 | /* *** go zzz *** */ |
135 | pxa_cpu_suspend(); | 134 | pxa_cpu_pm_enter(state); |
135 | |||
136 | cpu_init(); | ||
136 | 137 | ||
137 | /* after sleeping, validate the checksum */ | 138 | /* after sleeping, validate the checksum */ |
138 | checksum = 0; | 139 | checksum = 0; |
@@ -145,7 +146,7 @@ static int pxa_pm_enter(suspend_state_t state) | |||
145 | LUB_HEXLED = 0xbadbadc5; | 146 | LUB_HEXLED = 0xbadbadc5; |
146 | #endif | 147 | #endif |
147 | while (1) | 148 | while (1) |
148 | pxa_cpu_suspend(); | 149 | pxa_cpu_pm_enter(state); |
149 | } | 150 | } |
150 | 151 | ||
151 | /* ensure not to come back here if it wasn't intended */ | 152 | /* ensure not to come back here if it wasn't intended */ |
@@ -162,8 +163,11 @@ static int pxa_pm_enter(suspend_state_t state) | |||
162 | RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); | 163 | RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); |
163 | 164 | ||
164 | #ifdef CONFIG_PXA27x | 165 | #ifdef CONFIG_PXA27x |
166 | RESTORE(MDREFR); | ||
165 | RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3); | 167 | RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3); |
166 | RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); | 168 | RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); |
169 | RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER); | ||
170 | RESTORE(PFER); RESTORE(PKWR); | ||
167 | #endif | 171 | #endif |
168 | 172 | ||
169 | PSSR = PSSR_RDH | PSSR_PH; | 173 | PSSR = PSSR_RDH | PSSR_PH; |
@@ -197,7 +201,9 @@ unsigned long sleep_phys_sp(void *sp) | |||
197 | */ | 201 | */ |
198 | static int pxa_pm_prepare(suspend_state_t state) | 202 | static int pxa_pm_prepare(suspend_state_t state) |
199 | { | 203 | { |
200 | return 0; | 204 | extern int pxa_cpu_pm_prepare(suspend_state_t state); |
205 | |||
206 | return pxa_cpu_pm_prepare(state); | ||
201 | } | 207 | } |
202 | 208 | ||
203 | /* | 209 | /* |