/* * OMAP2xxx/3xxx-common Power/Reset Management (PRM) register definitions * * Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc. * Copyright (C) 2008-2010 Nokia Corporation * 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. * * The PRM hardware modules on the OMAP2/3 are quite similar to each * other. The PRM on OMAP4 has a new register layout, and is handled * in a separate file. */ #ifndef __ARCH_ARM_MACH_OMAP2_PRM2XXX_3XXX_H #define __ARCH_ARM_MACH_OMAP2_PRM2XXX_3XXX_H #include "prcm-common.h" #include "prm.h" /* * Module specific PRM register offsets 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 OMAP2/3 SoC families.. (The exceptions are the * IRQSTATUS and IRQENABLE bits.) */ /* Register offsets appearing on both OMAP2 and OMAP3 */ #define OMAP2_RM_RSTCTRL 0x0050 #define OMAP2_RM_RSTTIME 0x0054 #define OMAP2_RM_RSTST 0x0058 #define OMAP2_PM_PWSTCTRL 0x00e0 #define OMAP2_PM_PWSTST 0x00e4 #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 #ifndef __ASSEMBLER__ #include <linux/io.h> #include "powerdomain.h" /* Power/reset management domain register get/set */ static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx) { return __raw_readl(prm_base + module + idx); } static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx) { __raw_writel(val, prm_base + module + idx); } /* Read-modify-write a register in a PRM module. Caller must lock */ static inline u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx) { u32 v; v = omap2_prm_read_mod_reg(module, idx); v &= ~mask; v |= bits; omap2_prm_write_mod_reg(v, module, idx); return v; } /* Read a PRM register, AND it, and shift the result down to bit 0 */ static inline u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask) { u32 v; v = omap2_prm_read_mod_reg(domain, idx); v &= mask; v >>= __ffs(mask); return v; } static inline u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx) { return omap2_prm_rmw_mod_reg_bits(bits, bits, module, idx); } static inline u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) { return omap2_prm_rmw_mod_reg_bits(bits, 0x0, module, idx); } /* These omap2_ PRM functions apply to both OMAP2 and 3 */ extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift); extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift); extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift); extern int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst); extern int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm); extern int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm); extern int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst); extern int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst); extern int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank); extern int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank); extern int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst); extern int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm); extern int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); extern int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); extern int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); extern int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm); #endif /* __ASSEMBLER */ /* * Bits common to specific registers * * The 3430 register and bit names are generally used, * since they tend to make more sense */ /* 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_SYSCLKDIV_WIDTH 2 #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_MASK (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_MASK (1 << 2) #define OMAP_RST_GS_MASK (1 << 1) /* * Bits common to module-shared registers * * Not all registers of a particular type support all of these bits - * check TRM if you are unsure */ /* * 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_MASK (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_MASK (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_SHIFT 1 #define OMAP_GLOBALWARM_RST_MASK (1 << 1) #define OMAP_GLOBALCOLD_RST_SHIFT 0 #define OMAP_GLOBALCOLD_RST_MASK (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_MASK (1 << 2) #endif