diff options
Diffstat (limited to 'arch/arm/mach-omap2/prm.h')
| -rw-r--r-- | arch/arm/mach-omap2/prm.h | 364 |
1 files changed, 88 insertions, 276 deletions
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h index 826d326b806..48480d557b6 100644 --- a/arch/arm/mach-omap2/prm.h +++ b/arch/arm/mach-omap2/prm.h @@ -1,248 +1,49 @@ -#ifndef __ARCH_ARM_MACH_OMAP2_PRM_H -#define __ARCH_ARM_MACH_OMAP2_PRM_H - /* - * OMAP2/3 Power/Reset Management (PRM) register definitions + * OMAP2/3/4 Power/Reset Management (PRM) bitfield definitions * - * Copyright (C) 2007 Texas Instruments, Inc. - * Copyright (C) 2007 Nokia Corporation + * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc. + * Copyright (C) 2010 Nokia Corporation * - * Written by Paul Walmsley + * 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. */ +#ifndef __ARCH_ARM_MACH_OMAP2_PRM_H +#define __ARCH_ARM_MACH_OMAP2_PRM_H #include "prcm-common.h" -#ifndef __ASSEMBLER__ -#define OMAP_PRM_REGADDR(module, reg) \ - IO_ADDRESS(OMAP2_PRM_BASE + (module) + (reg)) -#else -#define OMAP2420_PRM_REGADDR(module, reg) \ - IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg)) -#define OMAP2430_PRM_REGADDR(module, reg) \ - IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg)) -#define OMAP34XX_PRM_REGADDR(module, reg) \ - IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg)) -#endif +# ifndef __ASSEMBLER__ +extern void __iomem *prm_base; +extern u16 prm_features; +extern void omap2_set_globals_prm(void __iomem *prm); +int of_prcm_init(void); +# endif /* - * Architecture-specific global PRM registers - * Use __raw_{read,write}l() with these registers. - * - * With a few exceptions, these are the register names beginning with - * PRCM_* on 24xx, and PRM_* on 34xx. (The exceptions are the - * IRQSTATUS and IRQENABLE bits.) + * prm_features flag values * + * PRM_HAS_IO_WAKEUP: has IO wakeup capability + * PRM_HAS_VOLTAGE: has voltage domains */ - -/* Global 24xx registers in GR_MOD (Same as OCP_MOD for 24xx) */ -#define OMAP24XX_PRCM_VOLTCTRL_OFFSET 0x0050 -#define OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET 0x0080 - -/* 242x GR_MOD registers, use these only for assembly code */ -#define OMAP242X_PRCM_VOLTCTRL OMAP2420_PRM_REGADDR(OMAP24XX_GR_MOD, \ - OMAP24XX_PRCM_VOLTCTRL_OFFSET) -#define OMAP242X_PRCM_CLKCFG_CTRL OMAP2420_PRM_REGADDR(OMAP24XX_GR_MOD, \ - OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET) - -/* 243x GR_MOD registers, use these only for assembly code */ -#define OMAP243X_PRCM_VOLTCTRL OMAP2430_PRM_REGADDR(OMAP24XX_GR_MOD, \ - OMAP24XX_PRCM_VOLTCTRL_OFFSET) -#define OMAP243X_PRCM_CLKCFG_CTRL OMAP2430_PRM_REGADDR(OMAP24XX_GR_MOD, \ - OMAP24XX_PRCM_CLKCFG_CTRL_OFFSET) - -/* These will disappear */ -#define OMAP24XX_PRCM_REVISION OMAP_PRM_REGADDR(OCP_MOD, 0x0000) -#define OMAP24XX_PRCM_SYSCONFIG OMAP_PRM_REGADDR(OCP_MOD, 0x0010) - -#define OMAP24XX_PRCM_IRQSTATUS_MPU OMAP_PRM_REGADDR(OCP_MOD, 0x0018) -#define OMAP24XX_PRCM_IRQENABLE_MPU OMAP_PRM_REGADDR(OCP_MOD, 0x001c) - -#define OMAP24XX_PRCM_VOLTST OMAP_PRM_REGADDR(OCP_MOD, 0x0054) -#define OMAP24XX_PRCM_CLKSRC_CTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0060) -#define OMAP24XX_PRCM_CLKOUT_CTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0070) -#define OMAP24XX_PRCM_CLKEMUL_CTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0078) -#define OMAP24XX_PRCM_CLKCFG_CTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0080) -#define OMAP24XX_PRCM_CLKCFG_STATUS OMAP_PRM_REGADDR(OCP_MOD, 0x0084) -#define OMAP24XX_PRCM_VOLTSETUP OMAP_PRM_REGADDR(OCP_MOD, 0x0090) -#define OMAP24XX_PRCM_CLKSSETUP OMAP_PRM_REGADDR(OCP_MOD, 0x0094) -#define OMAP24XX_PRCM_POLCTRL OMAP_PRM_REGADDR(OCP_MOD, 0x0098) - -#define OMAP3430_PRM_REVISION OMAP_PRM_REGADDR(OCP_MOD, 0x0004) -#define OMAP3430_PRM_SYSCONFIG OMAP_PRM_REGADDR(OCP_MOD, 0x0014) - -#define OMAP3430_PRM_IRQSTATUS_MPU OMAP_PRM_REGADDR(OCP_MOD, 0x0018) -#define OMAP3430_PRM_IRQENABLE_MPU OMAP_PRM_REGADDR(OCP_MOD, 0x001c) - - -#define OMAP3430_PRM_VC_SMPS_SA OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0020) -#define OMAP3430_PRM_VC_SMPS_VOL_RA OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0024) -#define OMAP3430_PRM_VC_SMPS_CMD_RA OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0028) -#define OMAP3430_PRM_VC_CMD_VAL_0 OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x002c) -#define OMAP3430_PRM_VC_CMD_VAL_1 OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0030) -#define OMAP3430_PRM_VC_CH_CONF OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0034) -#define OMAP3430_PRM_VC_I2C_CFG OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0038) -#define OMAP3430_PRM_VC_BYPASS_VAL OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x003c) -#define OMAP3430_PRM_RSTCTRL OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0050) -#define OMAP3430_PRM_RSTTIME OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0054) -#define OMAP3430_PRM_RSTST OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0058) -#define OMAP3430_PRM_VOLTCTRL OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0060) -#define OMAP3430_PRM_SRAM_PCHARGE OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0064) -#define OMAP3430_PRM_CLKSRC_CTRL OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0070) -#define OMAP3430_PRM_VOLTSETUP1 OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0090) -#define OMAP3430_PRM_VOLTOFFSET OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0094) -#define OMAP3430_PRM_CLKSETUP OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x0098) -#define OMAP3430_PRM_POLCTRL OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x009c) -#define OMAP3430_PRM_VOLTSETUP2 OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00a0) -#define OMAP3430_PRM_VP1_CONFIG OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b0) -#define OMAP3430_PRM_VP1_VSTEPMIN OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b4) -#define OMAP3430_PRM_VP1_VSTEPMAX OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00b8) -#define OMAP3430_PRM_VP1_VLIMITTO OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00bc) -#define OMAP3430_PRM_VP1_VOLTAGE OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c0) -#define OMAP3430_PRM_VP1_STATUS OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00c4) -#define OMAP3430_PRM_VP2_CONFIG OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d0) -#define OMAP3430_PRM_VP2_VSTEPMIN OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d4) -#define OMAP3430_PRM_VP2_VSTEPMAX OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00d8) -#define OMAP3430_PRM_VP2_VLIMITTO OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00dc) -#define OMAP3430_PRM_VP2_VOLTAGE OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e0) -#define OMAP3430_PRM_VP2_STATUS OMAP_PRM_REGADDR(OMAP3430_GR_MOD, 0x00e4) - -#define OMAP3430_PRM_CLKSEL OMAP_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0040) -#define OMAP3430_PRM_CLKOUT_CTRL OMAP_PRM_REGADDR(OMAP3430_CCR_MOD, 0x0070) +#define PRM_HAS_IO_WAKEUP (1 << 0) /* - * Module specific PRM registers from PRM_BASE + domain offset - * - * Use prm_{read,write}_mod_reg() with these registers. - * - * With a few exceptions, these are the register names beginning with - * {PM,RM}_* on both architectures. (The exceptions are the IRQSTATUS - * and IRQENABLE bits.) - * + * MAX_MODULE_SOFTRESET_WAIT: Maximum microseconds to wait for OMAP + * module to softreset */ - -/* Registers appearing on both 24xx and 34xx */ - -#define RM_RSTCTRL 0x0050 -#define RM_RSTTIME 0x0054 -#define RM_RSTST 0x0058 - -#define PM_WKEN 0x00a0 -#define PM_WKEN1 PM_WKEN -#define PM_WKST 0x00b0 -#define PM_WKST1 PM_WKST -#define PM_WKDEP 0x00c8 -#define PM_EVGENCTRL 0x00d4 -#define PM_EVGENONTIM 0x00d8 -#define PM_EVGENOFFTIM 0x00dc -#define PM_PWSTCTRL 0x00e0 -#define PM_PWSTST 0x00e4 - -/* Omap2 specific registers */ -#define OMAP24XX_PM_WKEN2 0x00a4 -#define OMAP24XX_PM_WKST2 0x00b4 - -#define OMAP24XX_PRCM_IRQSTATUS_DSP 0x00f0 /* IVA mod */ -#define OMAP24XX_PRCM_IRQENABLE_DSP 0x00f4 /* IVA mod */ -#define OMAP24XX_PRCM_IRQSTATUS_IVA 0x00f8 -#define OMAP24XX_PRCM_IRQENABLE_IVA 0x00fc - -/* Omap3 specific registers */ -#define OMAP3430ES2_PM_WKEN3 0x00f0 -#define OMAP3430ES2_PM_WKST3 0x00b8 - -#define OMAP3430_PM_MPUGRPSEL 0x00a4 -#define OMAP3430_PM_MPUGRPSEL1 OMAP3430_PM_MPUGRPSEL - -#define OMAP3430_PM_IVAGRPSEL 0x00a8 -#define OMAP3430_PM_IVAGRPSEL1 OMAP3430_PM_IVAGRPSEL - -#define OMAP3430_PM_PREPWSTST 0x00e8 - -#define OMAP3430_PRM_IRQSTATUS_IVA2 0x00f8 -#define OMAP3430_PRM_IRQENABLE_IVA2 0x00fc - - -#ifndef __ASSEMBLER__ - -/* Power/reset management domain register get/set */ -extern u32 prm_read_mod_reg(s16 module, u16 idx); -extern void prm_write_mod_reg(u32 val, s16 module, u16 idx); -extern u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); - -/* Read-modify-write bits in a PRM register (by domain) */ -static inline u32 prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx) -{ - return prm_rmw_mod_reg_bits(bits, bits, module, idx); -} - -static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) -{ - return prm_rmw_mod_reg_bits(bits, 0x0, module, idx); -} - -#endif +#define MAX_MODULE_SOFTRESET_WAIT 10000 /* - * Bits common to specific registers - * - * The 3430 register and bit names are generally used, - * since they tend to make more sense + * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP + * submodule to exit hardreset */ - -/* PM_EVGENONTIM_MPU */ -/* Named PM_EVEGENONTIM_MPU on the 24XX */ -#define OMAP_ONTIMEVAL_SHIFT 0 -#define OMAP_ONTIMEVAL_MASK (0xffffffff << 0) - -/* PM_EVGENOFFTIM_MPU */ -/* Named PM_EVEGENOFFTIM_MPU on the 24XX */ -#define OMAP_OFFTIMEVAL_SHIFT 0 -#define OMAP_OFFTIMEVAL_MASK (0xffffffff << 0) - -/* PRM_CLKSETUP and PRCM_VOLTSETUP */ -/* Named PRCM_CLKSSETUP on the 24XX */ -#define OMAP_SETUP_TIME_SHIFT 0 -#define OMAP_SETUP_TIME_MASK (0xffff << 0) - -/* PRM_CLKSRC_CTRL */ -/* Named PRCM_CLKSRC_CTRL on the 24XX */ -#define OMAP_SYSCLKDIV_SHIFT 6 -#define OMAP_SYSCLKDIV_MASK (0x3 << 6) -#define OMAP_AUTOEXTCLKMODE_SHIFT 3 -#define OMAP_AUTOEXTCLKMODE_MASK (0x3 << 3) -#define OMAP_SYSCLKSEL_SHIFT 0 -#define OMAP_SYSCLKSEL_MASK (0x3 << 0) - -/* PM_EVGENCTRL_MPU */ -#define OMAP_OFFLOADMODE_SHIFT 3 -#define OMAP_OFFLOADMODE_MASK (0x3 << 3) -#define OMAP_ONLOADMODE_SHIFT 1 -#define OMAP_ONLOADMODE_MASK (0x3 << 1) -#define OMAP_ENABLE (1 << 0) - -/* PRM_RSTTIME */ -/* Named RM_RSTTIME_WKUP on the 24xx */ -#define OMAP_RSTTIME2_SHIFT 8 -#define OMAP_RSTTIME2_MASK (0x1f << 8) -#define OMAP_RSTTIME1_SHIFT 0 -#define OMAP_RSTTIME1_MASK (0xff << 0) - -/* PRM_RSTCTRL */ -/* Named RM_RSTCTRL_WKUP on the 24xx */ -/* 2420 calls RST_DPLL3 'RST_DPLL' */ -#define OMAP_RST_DPLL3 (1 << 2) -#define OMAP_RST_GS (1 << 1) - +#define MAX_MODULE_HARDRESET_WAIT 10000 /* - * Bits common to module-shared registers - * - * Not all registers of a particular type support all of these bits - - * check TRM if you are unsure + * Register bitfields */ /* @@ -254,7 +55,7 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU, * PM_PWSTST_NEON */ -#define OMAP_INTRANSITION (1 << 20) +#define OMAP_INTRANSITION_MASK (1 << 20) /* @@ -270,59 +71,6 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) #define OMAP_POWERSTATEST_MASK (0x3 << 0) /* - * 24XX: RM_RSTST_MPU and RM_RSTST_DSP - on 24XX, 'COREDOMAINWKUP_RST' is - * called 'COREWKUP_RST' - * - * 3430: RM_RSTST_IVA2, RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSS, - * RM_RSTST_CAM, RM_RSTST_PER, RM_RSTST_NEON - */ -#define OMAP_COREDOMAINWKUP_RST (1 << 3) - -/* - * 24XX: RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSP - * - * 2430: RM_RSTST_MDM - * - * 3430: RM_RSTST_CORE, RM_RSTST_EMU - */ -#define OMAP_DOMAINWKUP_RST (1 << 2) - -/* - * 24XX: RM_RSTST_MPU, RM_RSTST_WKUP, RM_RSTST_DSP - * On 24XX, 'GLOBALWARM_RST' is called 'GLOBALWMPU_RST'. - * - * 2430: RM_RSTST_MDM - * - * 3430: RM_RSTST_CORE, RM_RSTST_EMU - */ -#define OMAP_GLOBALWARM_RST (1 << 1) -#define OMAP_GLOBALCOLD_RST (1 << 0) - -/* - * 24XX: PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_CORE, PM_WKDEP_DSP - * 2420 TRM sometimes uses "EN_WAKEUP" instead of "EN_WKUP" - * - * 2430: PM_WKDEP_MDM - * - * 3430: PM_WKDEP_IVA2, PM_WKDEP_GFX, PM_WKDEP_DSS, PM_WKDEP_CAM, - * PM_WKDEP_PER - */ -#define OMAP_EN_WKUP_SHIFT 4 -#define OMAP_EN_WKUP_MASK (1 << 4) - -/* - * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, - * PM_PWSTCTRL_DSP - * - * 2430: PM_PWSTCTRL_MDM - * - * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, - * PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER, - * PM_PWSTCTRL_NEON - */ -#define OMAP_LOGICRETSTATE (1 << 2) - -/* * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, * PM_PWSTCTRL_DSP, PM_PWSTST_MPU * @@ -335,5 +83,69 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) #define OMAP_POWERSTATE_SHIFT 0 #define OMAP_POWERSTATE_MASK (0x3 << 0) +/* + * Standardized OMAP reset source bits + * + * To the extent these happen to match the hardware register bit + * shifts, it's purely coincidental. Used by omap-wdt.c. + * OMAP_UNKNOWN_RST_SRC_ID_SHIFT is a special value, used whenever + * there are any bits remaining in the global PRM_RSTST register that + * haven't been identified, or when the PRM code for the current SoC + * doesn't know how to interpret the register. + */ +#define OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT 0 +#define OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT 1 +#define OMAP_SECU_VIOL_RST_SRC_ID_SHIFT 2 +#define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3 +#define OMAP_SECU_WD_RST_SRC_ID_SHIFT 4 +#define OMAP_EXTWARM_RST_SRC_ID_SHIFT 5 +#define OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT 6 +#define OMAP_VDD_IVA_VM_RST_SRC_ID_SHIFT 7 +#define OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT 8 +#define OMAP_ICEPICK_RST_SRC_ID_SHIFT 9 +#define OMAP_ICECRUSHER_RST_SRC_ID_SHIFT 10 +#define OMAP_C2C_RST_SRC_ID_SHIFT 11 +#define OMAP_UNKNOWN_RST_SRC_ID_SHIFT 12 + +#ifndef __ASSEMBLER__ + +/** + * struct prm_reset_src_map - map register bitshifts to standard bitshifts + * @reg_shift: bitshift in the PRM reset source register + * @std_shift: bitshift equivalent in the standard reset source list + * + * The fields are signed because -1 is used as a terminator. + */ +struct prm_reset_src_map { + s8 reg_shift; + s8 std_shift; +}; + +/** + * struct prm_ll_data - fn ptrs to per-SoC PRM function implementations + * @read_reset_sources: ptr to the SoC PRM-specific get_reset_source impl + * @was_any_context_lost_old: ptr to the SoC PRM context loss test fn + * @clear_context_loss_flags_old: ptr to the SoC PRM context loss flag clear fn + * @late_init: ptr to the late init function + * + * XXX @was_any_context_lost_old and @clear_context_loss_flags_old are + * deprecated. + */ +struct prm_ll_data { + u32 (*read_reset_sources)(void); + bool (*was_any_context_lost_old)(u8 part, s16 inst, u16 idx); + void (*clear_context_loss_flags_old)(u8 part, s16 inst, u16 idx); + int (*late_init)(void); +}; + +extern int prm_register(struct prm_ll_data *pld); +extern int prm_unregister(struct prm_ll_data *pld); + +extern u32 prm_read_reset_sources(void); +extern bool prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx); +extern void prm_clear_context_loss_flags_old(u8 part, s16 inst, u16 idx); + +#endif + #endif |