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106 lines
2.9 KiB
106 lines
2.9 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Common powerdomain framework functions |
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* |
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* Copyright (C) 2010-2011 Texas Instruments, Inc. |
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* Copyright (C) 2010 Nokia Corporation |
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* |
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* Derived from mach-omap2/powerdomain.c written by Paul Walmsley |
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*/ |
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#include <linux/errno.h> |
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#include <linux/kernel.h> |
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#include <linux/bug.h> |
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#include "pm.h" |
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#include "cm.h" |
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#include "cm-regbits-34xx.h" |
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#include "prm-regbits-34xx.h" |
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#include "prm-regbits-44xx.h" |
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/* |
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* OMAP3 and OMAP4 specific register bit initialisations |
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* Notice that the names here are not according to each power |
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* domain but the bit mapping used applies to all of them |
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*/ |
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/* OMAP3 and OMAP4 Memory Onstate Masks (common across all power domains) */ |
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#define OMAP_MEM0_ONSTATE_MASK OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK |
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#define OMAP_MEM1_ONSTATE_MASK OMAP3430_L1FLATMEMONSTATE_MASK |
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#define OMAP_MEM2_ONSTATE_MASK OMAP3430_SHAREDL2CACHEFLATONSTATE_MASK |
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#define OMAP_MEM3_ONSTATE_MASK OMAP3430_L2FLATMEMONSTATE_MASK |
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#define OMAP_MEM4_ONSTATE_MASK OMAP4430_OCP_NRET_BANK_ONSTATE_MASK |
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/* OMAP3 and OMAP4 Memory Retstate Masks (common across all power domains) */ |
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#define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK |
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#define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE_MASK |
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#define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK |
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#define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE_MASK |
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#define OMAP_MEM4_RETSTATE_MASK OMAP4430_OCP_NRET_BANK_RETSTATE_MASK |
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/* OMAP3 and OMAP4 Memory Status bits */ |
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#define OMAP_MEM0_STATEST_MASK OMAP3430_SHAREDL1CACHEFLATSTATEST_MASK |
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#define OMAP_MEM1_STATEST_MASK OMAP3430_L1FLATMEMSTATEST_MASK |
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#define OMAP_MEM2_STATEST_MASK OMAP3430_SHAREDL2CACHEFLATSTATEST_MASK |
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#define OMAP_MEM3_STATEST_MASK OMAP3430_L2FLATMEMSTATEST_MASK |
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#define OMAP_MEM4_STATEST_MASK OMAP4430_OCP_NRET_BANK_STATEST_MASK |
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/* Common Internal functions used across OMAP rev's*/ |
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u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank) |
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{ |
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switch (bank) { |
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case 0: |
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return OMAP_MEM0_ONSTATE_MASK; |
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case 1: |
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return OMAP_MEM1_ONSTATE_MASK; |
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case 2: |
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return OMAP_MEM2_ONSTATE_MASK; |
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case 3: |
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return OMAP_MEM3_ONSTATE_MASK; |
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case 4: |
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return OMAP_MEM4_ONSTATE_MASK; |
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default: |
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WARN_ON(1); /* should never happen */ |
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return -EEXIST; |
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} |
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return 0; |
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} |
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u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank) |
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{ |
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switch (bank) { |
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case 0: |
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return OMAP_MEM0_RETSTATE_MASK; |
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case 1: |
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return OMAP_MEM1_RETSTATE_MASK; |
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case 2: |
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return OMAP_MEM2_RETSTATE_MASK; |
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case 3: |
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return OMAP_MEM3_RETSTATE_MASK; |
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case 4: |
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return OMAP_MEM4_RETSTATE_MASK; |
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default: |
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WARN_ON(1); /* should never happen */ |
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return -EEXIST; |
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} |
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return 0; |
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} |
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u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank) |
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{ |
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switch (bank) { |
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case 0: |
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return OMAP_MEM0_STATEST_MASK; |
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case 1: |
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return OMAP_MEM1_STATEST_MASK; |
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case 2: |
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return OMAP_MEM2_STATEST_MASK; |
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case 3: |
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return OMAP_MEM3_STATEST_MASK; |
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case 4: |
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return OMAP_MEM4_STATEST_MASK; |
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default: |
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WARN_ON(1); /* should never happen */ |
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return -EEXIST; |
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} |
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return 0; |
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} |
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