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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-omap2/powerdomain-common.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-omap2/powerdomain-common.c')
-rw-r--r-- | arch/arm/mach-omap2/powerdomain-common.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/powerdomain-common.c b/arch/arm/mach-omap2/powerdomain-common.c new file mode 100644 index 000000000..c40e5f009 --- /dev/null +++ b/arch/arm/mach-omap2/powerdomain-common.c @@ -0,0 +1,109 @@ +/* + * Common powerdomain framework functions + * + * Copyright (C) 2010-2011 Texas Instruments, Inc. + * Copyright (C) 2010 Nokia Corporation + * + * Derived from mach-omap2/powerdomain.c written by Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/bug.h> +#include "pm.h" +#include "cm.h" +#include "cm-regbits-34xx.h" +#include "prm-regbits-34xx.h" +#include "prm-regbits-44xx.h" + +/* + * OMAP3 and OMAP4 specific register bit initialisations + * Notice that the names here are not according to each power + * domain but the bit mapping used applies to all of them + */ +/* OMAP3 and OMAP4 Memory Onstate Masks (common across all power domains) */ +#define OMAP_MEM0_ONSTATE_MASK OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK +#define OMAP_MEM1_ONSTATE_MASK OMAP3430_L1FLATMEMONSTATE_MASK +#define OMAP_MEM2_ONSTATE_MASK OMAP3430_SHAREDL2CACHEFLATONSTATE_MASK +#define OMAP_MEM3_ONSTATE_MASK OMAP3430_L2FLATMEMONSTATE_MASK +#define OMAP_MEM4_ONSTATE_MASK OMAP4430_OCP_NRET_BANK_ONSTATE_MASK + +/* OMAP3 and OMAP4 Memory Retstate Masks (common across all power domains) */ +#define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK +#define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE_MASK +#define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK +#define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE_MASK +#define OMAP_MEM4_RETSTATE_MASK OMAP4430_OCP_NRET_BANK_RETSTATE_MASK + +/* OMAP3 and OMAP4 Memory Status bits */ +#define OMAP_MEM0_STATEST_MASK OMAP3430_SHAREDL1CACHEFLATSTATEST_MASK +#define OMAP_MEM1_STATEST_MASK OMAP3430_L1FLATMEMSTATEST_MASK +#define OMAP_MEM2_STATEST_MASK OMAP3430_SHAREDL2CACHEFLATSTATEST_MASK +#define OMAP_MEM3_STATEST_MASK OMAP3430_L2FLATMEMSTATEST_MASK +#define OMAP_MEM4_STATEST_MASK OMAP4430_OCP_NRET_BANK_STATEST_MASK + +/* Common Internal functions used across OMAP rev's*/ +u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank) +{ + switch (bank) { + case 0: + return OMAP_MEM0_ONSTATE_MASK; + case 1: + return OMAP_MEM1_ONSTATE_MASK; + case 2: + return OMAP_MEM2_ONSTATE_MASK; + case 3: + return OMAP_MEM3_ONSTATE_MASK; + case 4: + return OMAP_MEM4_ONSTATE_MASK; + default: + WARN_ON(1); /* should never happen */ + return -EEXIST; + } + return 0; +} + +u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank) +{ + switch (bank) { + case 0: + return OMAP_MEM0_RETSTATE_MASK; + case 1: + return OMAP_MEM1_RETSTATE_MASK; + case 2: + return OMAP_MEM2_RETSTATE_MASK; + case 3: + return OMAP_MEM3_RETSTATE_MASK; + case 4: + return OMAP_MEM4_RETSTATE_MASK; + default: + WARN_ON(1); /* should never happen */ + return -EEXIST; + } + return 0; +} + +u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank) +{ + switch (bank) { + case 0: + return OMAP_MEM0_STATEST_MASK; + case 1: + return OMAP_MEM1_STATEST_MASK; + case 2: + return OMAP_MEM2_STATEST_MASK; + case 3: + return OMAP_MEM3_STATEST_MASK; + case 4: + return OMAP_MEM4_STATEST_MASK; + default: + WARN_ON(1); /* should never happen */ + return -EEXIST; + } + return 0; +} + |