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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 19:13:58 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 19:13:58 -0800 |
commit | 01539ba2a706ab7d35fc0667dff919ade7f87d63 (patch) | |
tree | 5a4bd0cf78007d06690fe4ac06bbd49a5a70bc47 /arch/arm/mach-omap2/powerdomain-common.c | |
parent | 9e9bc9736756f25d6c47b4eba0ebf25b20a6f153 (diff) | |
parent | dc69d1af9e8d9cbbabff88bb35a6782187a22229 (diff) |
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (243 commits)
omap2: Make OMAP2PLUS select OMAP_DM_TIMER
OMAP4: hwmod data: Fix alignment and end of line in structurefields
OMAP4: hwmod data: Move the DMA structures
OMAP4: hwmod data: Move the smartreflex structures
OMAP4: hwmod data: Fix missing SIDLE_SMART_WKUP in smartreflexsysc
arm: omap: tusb6010: add name for MUSB IRQ
arm: omap: craneboard: Add USB EHCI support
omap2+: Initialize serial port for dynamic remuxing for n8x0
omap2+: Add struct omap_board_data and use it for platform level serial init
omap2+: Allow hwmod state changes to mux pads based on the state changes
omap2+: Add support for hwmod specific muxing of devices
omap2+: Add omap_mux_get_by_name
OMAP2: PM: fix compile error when !CONFIG_SUSPEND
MAINTAINERS: OMAP: hwmod: update hwmod code, data maintainership
OMAP4: Smartreflex framework extensions
OMAP4: hwmod: Add inital data for smartreflex modules.
OMAP4: PM: Program correct init voltages for scalable VDDs
OMAP4: Adding voltage driver support
OMAP4: Register voltage PMIC parameters with the voltage layer
OMAP3: PM: Program correct init voltages for VDD1 and VDD2
...
Fix up trivial conflict in arch/arm/plat-omap/Kconfig
Diffstat (limited to 'arch/arm/mach-omap2/powerdomain-common.c')
-rw-r--r-- | arch/arm/mach-omap2/powerdomain-common.c | 110 |
1 files changed, 110 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 00000000000..171fccd208c --- /dev/null +++ b/arch/arm/mach-omap2/powerdomain-common.c @@ -0,0 +1,110 @@ +/* + * linux/arch/arm/mach-omap2/powerdomain-common.c + * Contains common powerdomain framework functions + * + * Copyright (C) 2010 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 "pm.h" +#include "cm.h" +#include "cm-regbits-34xx.h" +#include "cm-regbits-44xx.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; +} + |