projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9b7fc907 RN |
1 | /* |
| 2 | * linux/arch/arm/mach-omap2/powerdomain-common.c | |
| 3 | * Contains common powerdomain framework functions | |
| 4 | * | |
| 5 | * Copyright (C) 2010 Texas Instruments, Inc. | |
| 6 | * Copyright (C) 2010 Nokia Corporation | |
| 7 | * | |
| 8 | * Derived from mach-omap2/powerdomain.c written by Paul Walmsley | |
| 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 | */ | |
| 14 | ||
| 15 | #include <linux/errno.h> | |
| 16 | #include <linux/kernel.h> | |
| 17 | #include "pm.h" | |
| 18 | #include "cm.h" | |
| 19 | #include "cm-regbits-34xx.h" | |
| 20 | #include "cm-regbits-44xx.h" | |
| 21 | #include "prm-regbits-34xx.h" | |
| 22 | #include "prm-regbits-44xx.h" | |
| 23 | #include "powerdomains.h" | |
| 24 | ||
| 25 | /* | |
| 26 | * OMAP3 and OMAP4 specific register bit initialisations | |
| 27 | * Notice that the names here are not according to each power | |
| 28 | * domain but the bit mapping used applies to all of them | |
| 29 | */ | |
| 30 | /* OMAP3 and OMAP4 Memory Onstate Masks (common across all power domains) */ | |
| 31 | #define OMAP_MEM0_ONSTATE_MASK OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK | |
| 32 | #define OMAP_MEM1_ONSTATE_MASK OMAP3430_L1FLATMEMONSTATE_MASK | |
| 33 | #define OMAP_MEM2_ONSTATE_MASK OMAP3430_SHAREDL2CACHEFLATONSTATE_MASK | |
| 34 | #define OMAP_MEM3_ONSTATE_MASK OMAP3430_L2FLATMEMONSTATE_MASK | |
| 35 | #define OMAP_MEM4_ONSTATE_MASK OMAP4430_OCP_NRET_BANK_ONSTATE_MASK | |
| 36 | ||
| 37 | /* OMAP3 and OMAP4 Memory Retstate Masks (common across all power domains) */ | |
| 38 | #define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK | |
| 39 | #define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE_MASK | |
| 40 | #define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK | |
| 41 | #define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE_MASK | |
| 42 | #define OMAP_MEM4_RETSTATE_MASK OMAP4430_OCP_NRET_BANK_RETSTATE_MASK | |
| 43 | ||
| 44 | /* OMAP3 and OMAP4 Memory Status bits */ | |
| 45 | #define OMAP_MEM0_STATEST_MASK OMAP3430_SHAREDL1CACHEFLATSTATEST_MASK | |
| 46 | #define OMAP_MEM1_STATEST_MASK OMAP3430_L1FLATMEMSTATEST_MASK | |
| 47 | #define OMAP_MEM2_STATEST_MASK OMAP3430_SHAREDL2CACHEFLATSTATEST_MASK | |
| 48 | #define OMAP_MEM3_STATEST_MASK OMAP3430_L2FLATMEMSTATEST_MASK | |
| 49 | #define OMAP_MEM4_STATEST_MASK OMAP4430_OCP_NRET_BANK_STATEST_MASK | |
| 50 | ||
| 51 | /* Common Internal functions used across OMAP rev's*/ | |
| 52 | u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank) | |
| 53 | { | |
| 54 | switch (bank) { | |
| 55 | case 0: | |
| 56 | return OMAP_MEM0_ONSTATE_MASK; | |
| 57 | case 1: | |
| 58 | return OMAP_MEM1_ONSTATE_MASK; | |
| 59 | case 2: | |
| 60 | return OMAP_MEM2_ONSTATE_MASK; | |
| 61 | case 3: | |
| 62 | return OMAP_MEM3_ONSTATE_MASK; | |
| 63 | case 4: | |
| 64 | return OMAP_MEM4_ONSTATE_MASK; | |
| 65 | default: | |
| 66 | WARN_ON(1); /* should never happen */ | |
| 67 | return -EEXIST; | |
| 68 | } | |
| 69 | return 0; | |
| 70 | } | |
| 71 | ||
| 72 | u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank) | |
| 73 | { | |
| 74 | switch (bank) { | |
| 75 | case 0: | |
| 76 | return OMAP_MEM0_RETSTATE_MASK; | |
| 77 | case 1: | |
| 78 | return OMAP_MEM1_RETSTATE_MASK; | |
| 79 | case 2: | |
| 80 | return OMAP_MEM2_RETSTATE_MASK; | |
| 81 | case 3: | |
| 82 | return OMAP_MEM3_RETSTATE_MASK; | |
| 83 | case 4: | |
| 84 | return OMAP_MEM4_RETSTATE_MASK; | |
| 85 | default: | |
| 86 | WARN_ON(1); /* should never happen */ | |
| 87 | return -EEXIST; | |
| 88 | } | |
| 89 | return 0; | |
| 90 | } | |
| 91 | ||
| 92 | u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank) | |
| 93 | { | |
| 94 | switch (bank) { | |
| 95 | case 0: | |
| 96 | return OMAP_MEM0_STATEST_MASK; | |
| 97 | case 1: | |
| 98 | return OMAP_MEM1_STATEST_MASK; | |
| 99 | case 2: | |
| 100 | return OMAP_MEM2_STATEST_MASK; | |
| 101 | case 3: | |
| 102 | return OMAP_MEM3_STATEST_MASK; | |
| 103 | case 4: | |
| 104 | return OMAP_MEM4_STATEST_MASK; | |
| 105 | default: | |
| 106 | WARN_ON(1); /* should never happen */ | |
| 107 | return -EEXIST; | |
| 108 | } | |
| 109 | return 0; | |
| 110 | } | |
| 111 |