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9b7fc907 | 1 | /* |
8179488a | 2 | * Common powerdomain framework functions |
9b7fc907 | 3 | * |
8179488a PW |
4 | * Copyright (C) 2010-2011 Texas Instruments, Inc. |
5 | * Copyright (C) 2010 Nokia Corporation | |
9b7fc907 RN |
6 | * |
7 | * Derived from mach-omap2/powerdomain.c written by Paul Walmsley | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/errno.h> | |
15 | #include <linux/kernel.h> | |
d9a5f4dd | 16 | #include <linux/bug.h> |
9b7fc907 RN |
17 | #include "pm.h" |
18 | #include "cm.h" | |
19 | #include "cm-regbits-34xx.h" | |
9b7fc907 RN |
20 | #include "prm-regbits-34xx.h" |
21 | #include "prm-regbits-44xx.h" | |
9b7fc907 RN |
22 | |
23 | /* | |
24 | * OMAP3 and OMAP4 specific register bit initialisations | |
25 | * Notice that the names here are not according to each power | |
26 | * domain but the bit mapping used applies to all of them | |
27 | */ | |
28 | /* OMAP3 and OMAP4 Memory Onstate Masks (common across all power domains) */ | |
29 | #define OMAP_MEM0_ONSTATE_MASK OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK | |
30 | #define OMAP_MEM1_ONSTATE_MASK OMAP3430_L1FLATMEMONSTATE_MASK | |
31 | #define OMAP_MEM2_ONSTATE_MASK OMAP3430_SHAREDL2CACHEFLATONSTATE_MASK | |
32 | #define OMAP_MEM3_ONSTATE_MASK OMAP3430_L2FLATMEMONSTATE_MASK | |
33 | #define OMAP_MEM4_ONSTATE_MASK OMAP4430_OCP_NRET_BANK_ONSTATE_MASK | |
34 | ||
35 | /* OMAP3 and OMAP4 Memory Retstate Masks (common across all power domains) */ | |
36 | #define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK | |
37 | #define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE_MASK | |
38 | #define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK | |
39 | #define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE_MASK | |
40 | #define OMAP_MEM4_RETSTATE_MASK OMAP4430_OCP_NRET_BANK_RETSTATE_MASK | |
41 | ||
42 | /* OMAP3 and OMAP4 Memory Status bits */ | |
43 | #define OMAP_MEM0_STATEST_MASK OMAP3430_SHAREDL1CACHEFLATSTATEST_MASK | |
44 | #define OMAP_MEM1_STATEST_MASK OMAP3430_L1FLATMEMSTATEST_MASK | |
45 | #define OMAP_MEM2_STATEST_MASK OMAP3430_SHAREDL2CACHEFLATSTATEST_MASK | |
46 | #define OMAP_MEM3_STATEST_MASK OMAP3430_L2FLATMEMSTATEST_MASK | |
47 | #define OMAP_MEM4_STATEST_MASK OMAP4430_OCP_NRET_BANK_STATEST_MASK | |
48 | ||
49 | /* Common Internal functions used across OMAP rev's*/ | |
50 | u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank) | |
51 | { | |
52 | switch (bank) { | |
53 | case 0: | |
54 | return OMAP_MEM0_ONSTATE_MASK; | |
55 | case 1: | |
56 | return OMAP_MEM1_ONSTATE_MASK; | |
57 | case 2: | |
58 | return OMAP_MEM2_ONSTATE_MASK; | |
59 | case 3: | |
60 | return OMAP_MEM3_ONSTATE_MASK; | |
61 | case 4: | |
62 | return OMAP_MEM4_ONSTATE_MASK; | |
63 | default: | |
64 | WARN_ON(1); /* should never happen */ | |
65 | return -EEXIST; | |
66 | } | |
67 | return 0; | |
68 | } | |
69 | ||
70 | u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank) | |
71 | { | |
72 | switch (bank) { | |
73 | case 0: | |
74 | return OMAP_MEM0_RETSTATE_MASK; | |
75 | case 1: | |
76 | return OMAP_MEM1_RETSTATE_MASK; | |
77 | case 2: | |
78 | return OMAP_MEM2_RETSTATE_MASK; | |
79 | case 3: | |
80 | return OMAP_MEM3_RETSTATE_MASK; | |
81 | case 4: | |
82 | return OMAP_MEM4_RETSTATE_MASK; | |
83 | default: | |
84 | WARN_ON(1); /* should never happen */ | |
85 | return -EEXIST; | |
86 | } | |
87 | return 0; | |
88 | } | |
89 | ||
90 | u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank) | |
91 | { | |
92 | switch (bank) { | |
93 | case 0: | |
94 | return OMAP_MEM0_STATEST_MASK; | |
95 | case 1: | |
96 | return OMAP_MEM1_STATEST_MASK; | |
97 | case 2: | |
98 | return OMAP_MEM2_STATEST_MASK; | |
99 | case 3: | |
100 | return OMAP_MEM3_STATEST_MASK; | |
101 | case 4: | |
102 | return OMAP_MEM4_STATEST_MASK; | |
103 | default: | |
104 | WARN_ON(1); /* should never happen */ | |
105 | return -EEXIST; | |
106 | } | |
107 | return 0; | |
108 | } | |
109 |