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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Common powerdomain framework functions
4 *
5 * Copyright (C) 2010-2011 Texas Instruments, Inc.
6 * Copyright (C) 2010 Nokia Corporation
7 *
8 * Derived from mach-omap2/powerdomain.c written by Paul Walmsley
9 */
10
11#include <linux/errno.h>
12#include <linux/kernel.h>
13#include <linux/bug.h>
14#include "pm.h"
15#include "cm.h"
16#include "cm-regbits-34xx.h"
17#include "prm-regbits-34xx.h"
18#include "prm-regbits-44xx.h"
19
20/*
21 * OMAP3 and OMAP4 specific register bit initialisations
22 * Notice that the names here are not according to each power
23 * domain but the bit mapping used applies to all of them
24 */
25/* OMAP3 and OMAP4 Memory Onstate Masks (common across all power domains) */
26#define OMAP_MEM0_ONSTATE_MASK OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK
27#define OMAP_MEM1_ONSTATE_MASK OMAP3430_L1FLATMEMONSTATE_MASK
28#define OMAP_MEM2_ONSTATE_MASK OMAP3430_SHAREDL2CACHEFLATONSTATE_MASK
29#define OMAP_MEM3_ONSTATE_MASK OMAP3430_L2FLATMEMONSTATE_MASK
30#define OMAP_MEM4_ONSTATE_MASK OMAP4430_OCP_NRET_BANK_ONSTATE_MASK
31
32/* OMAP3 and OMAP4 Memory Retstate Masks (common across all power domains) */
33#define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK
34#define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE_MASK
35#define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK
36#define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE_MASK
37#define OMAP_MEM4_RETSTATE_MASK OMAP4430_OCP_NRET_BANK_RETSTATE_MASK
38
39/* OMAP3 and OMAP4 Memory Status bits */
40#define OMAP_MEM0_STATEST_MASK OMAP3430_SHAREDL1CACHEFLATSTATEST_MASK
41#define OMAP_MEM1_STATEST_MASK OMAP3430_L1FLATMEMSTATEST_MASK
42#define OMAP_MEM2_STATEST_MASK OMAP3430_SHAREDL2CACHEFLATSTATEST_MASK
43#define OMAP_MEM3_STATEST_MASK OMAP3430_L2FLATMEMSTATEST_MASK
44#define OMAP_MEM4_STATEST_MASK OMAP4430_OCP_NRET_BANK_STATEST_MASK
45
46/* Common Internal functions used across OMAP rev's*/
47u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank)
48{
49 switch (bank) {
50 case 0:
51 return OMAP_MEM0_ONSTATE_MASK;
52 case 1:
53 return OMAP_MEM1_ONSTATE_MASK;
54 case 2:
55 return OMAP_MEM2_ONSTATE_MASK;
56 case 3:
57 return OMAP_MEM3_ONSTATE_MASK;
58 case 4:
59 return OMAP_MEM4_ONSTATE_MASK;
60 default:
61 WARN_ON(1); /* should never happen */
62 return -EEXIST;
63 }
64 return 0;
65}
66
67u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank)
68{
69 switch (bank) {
70 case 0:
71 return OMAP_MEM0_RETSTATE_MASK;
72 case 1:
73 return OMAP_MEM1_RETSTATE_MASK;
74 case 2:
75 return OMAP_MEM2_RETSTATE_MASK;
76 case 3:
77 return OMAP_MEM3_RETSTATE_MASK;
78 case 4:
79 return OMAP_MEM4_RETSTATE_MASK;
80 default:
81 WARN_ON(1); /* should never happen */
82 return -EEXIST;
83 }
84 return 0;
85}
86
87u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank)
88{
89 switch (bank) {
90 case 0:
91 return OMAP_MEM0_STATEST_MASK;
92 case 1:
93 return OMAP_MEM1_STATEST_MASK;
94 case 2:
95 return OMAP_MEM2_STATEST_MASK;
96 case 3:
97 return OMAP_MEM3_STATEST_MASK;
98 case 4:
99 return OMAP_MEM4_STATEST_MASK;
100 default:
101 WARN_ON(1); /* should never happen */
102 return -EEXIST;
103 }
104 return 0;
105}
106
1/*
2 * Common powerdomain framework functions
3 *
4 * Copyright (C) 2010-2011 Texas Instruments, Inc.
5 * Copyright (C) 2010 Nokia Corporation
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>
16#include <linux/bug.h>
17#include "pm.h"
18#include "cm.h"
19#include "cm-regbits-34xx.h"
20#include "prm-regbits-34xx.h"
21#include "prm-regbits-44xx.h"
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*/
50u32 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
70u32 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
90u32 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