Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 1 | /* |
Paul Walmsley | 139563a | 2012-10-21 01:01:10 -0600 | [diff] [blame] | 2 | * OMAP2xxx/3xxx-common Power/Reset Management (PRM) register definitions |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 3 | * |
Paul Walmsley | 139563a | 2012-10-21 01:01:10 -0600 | [diff] [blame] | 4 | * Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc. |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 5 | * Copyright (C) 2008-2010 Nokia Corporation |
| 6 | * Paul Walmsley |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | * |
| 12 | * The PRM hardware modules on the OMAP2/3 are quite similar to each |
| 13 | * other. The PRM on OMAP4 has a new register layout, and is handled |
| 14 | * in a separate file. |
| 15 | */ |
| 16 | #ifndef __ARCH_ARM_MACH_OMAP2_PRM2XXX_3XXX_H |
| 17 | #define __ARCH_ARM_MACH_OMAP2_PRM2XXX_3XXX_H |
| 18 | |
| 19 | #include "prcm-common.h" |
| 20 | #include "prm.h" |
| 21 | |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 22 | /* |
| 23 | * Module specific PRM register offsets from PRM_BASE + domain offset |
| 24 | * |
| 25 | * Use prm_{read,write}_mod_reg() with these registers. |
| 26 | * |
| 27 | * With a few exceptions, these are the register names beginning with |
| 28 | * {PM,RM}_* on both OMAP2/3 SoC families.. (The exceptions are the |
| 29 | * IRQSTATUS and IRQENABLE bits.) |
| 30 | */ |
| 31 | |
| 32 | /* Register offsets appearing on both OMAP2 and OMAP3 */ |
| 33 | |
| 34 | #define OMAP2_RM_RSTCTRL 0x0050 |
| 35 | #define OMAP2_RM_RSTTIME 0x0054 |
| 36 | #define OMAP2_RM_RSTST 0x0058 |
| 37 | #define OMAP2_PM_PWSTCTRL 0x00e0 |
| 38 | #define OMAP2_PM_PWSTST 0x00e4 |
| 39 | |
| 40 | #define PM_WKEN 0x00a0 |
| 41 | #define PM_WKEN1 PM_WKEN |
| 42 | #define PM_WKST 0x00b0 |
| 43 | #define PM_WKST1 PM_WKST |
| 44 | #define PM_WKDEP 0x00c8 |
| 45 | #define PM_EVGENCTRL 0x00d4 |
| 46 | #define PM_EVGENONTIM 0x00d8 |
| 47 | #define PM_EVGENOFFTIM 0x00dc |
| 48 | |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 49 | |
| 50 | #ifndef __ASSEMBLER__ |
Paul Walmsley | 139563a | 2012-10-21 01:01:10 -0600 | [diff] [blame] | 51 | |
| 52 | #include <linux/io.h> |
Paul Walmsley | 4981539 | 2012-10-21 01:01:10 -0600 | [diff] [blame] | 53 | #include "powerdomain.h" |
Paul Walmsley | 139563a | 2012-10-21 01:01:10 -0600 | [diff] [blame] | 54 | |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 55 | /* Power/reset management domain register get/set */ |
Paul Walmsley | 139563a | 2012-10-21 01:01:10 -0600 | [diff] [blame] | 56 | static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx) |
| 57 | { |
| 58 | return __raw_readl(prm_base + module + idx); |
| 59 | } |
| 60 | |
| 61 | static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx) |
| 62 | { |
| 63 | __raw_writel(val, prm_base + module + idx); |
| 64 | } |
| 65 | |
| 66 | /* Read-modify-write a register in a PRM module. Caller must lock */ |
| 67 | static inline u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, |
| 68 | s16 idx) |
| 69 | { |
| 70 | u32 v; |
| 71 | |
| 72 | v = omap2_prm_read_mod_reg(module, idx); |
| 73 | v &= ~mask; |
| 74 | v |= bits; |
| 75 | omap2_prm_write_mod_reg(v, module, idx); |
| 76 | |
| 77 | return v; |
| 78 | } |
| 79 | |
| 80 | /* Read a PRM register, AND it, and shift the result down to bit 0 */ |
| 81 | static inline u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask) |
| 82 | { |
| 83 | u32 v; |
| 84 | |
| 85 | v = omap2_prm_read_mod_reg(domain, idx); |
| 86 | v &= mask; |
| 87 | v >>= __ffs(mask); |
| 88 | |
| 89 | return v; |
| 90 | } |
| 91 | |
| 92 | static inline u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx) |
| 93 | { |
| 94 | return omap2_prm_rmw_mod_reg_bits(bits, bits, module, idx); |
| 95 | } |
| 96 | |
| 97 | static inline u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) |
| 98 | { |
| 99 | return omap2_prm_rmw_mod_reg_bits(bits, 0x0, module, idx); |
| 100 | } |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 101 | |
| 102 | /* These omap2_ PRM functions apply to both OMAP2 and 3 */ |
| 103 | extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift); |
| 104 | extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift); |
omar ramirez | cc1226e | 2011-03-04 13:32:44 -0700 | [diff] [blame] | 105 | extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift); |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 106 | |
Paul Walmsley | 4981539 | 2012-10-21 01:01:10 -0600 | [diff] [blame] | 107 | extern int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst); |
| 108 | extern int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm); |
| 109 | extern int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm); |
| 110 | extern int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, |
| 111 | u8 pwrst); |
| 112 | extern int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, |
| 113 | u8 pwrst); |
| 114 | extern int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank); |
| 115 | extern int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank); |
| 116 | extern int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst); |
| 117 | extern int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm); |
| 118 | |
Paul Walmsley | 4bd5259 | 2012-10-21 01:01:11 -0600 | [diff] [blame] | 119 | extern int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1, |
| 120 | struct clockdomain *clkdm2); |
| 121 | extern int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1, |
| 122 | struct clockdomain *clkdm2); |
| 123 | extern int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1, |
| 124 | struct clockdomain *clkdm2); |
| 125 | extern int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm); |
| 126 | |
Linus Torvalds | a5ebba6 | 2012-07-23 17:43:53 -0700 | [diff] [blame] | 127 | #endif /* __ASSEMBLER */ |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 128 | |
| 129 | /* |
| 130 | * Bits common to specific registers |
| 131 | * |
| 132 | * The 3430 register and bit names are generally used, |
| 133 | * since they tend to make more sense |
| 134 | */ |
| 135 | |
| 136 | /* PM_EVGENONTIM_MPU */ |
| 137 | /* Named PM_EVEGENONTIM_MPU on the 24XX */ |
| 138 | #define OMAP_ONTIMEVAL_SHIFT 0 |
| 139 | #define OMAP_ONTIMEVAL_MASK (0xffffffff << 0) |
| 140 | |
| 141 | /* PM_EVGENOFFTIM_MPU */ |
| 142 | /* Named PM_EVEGENOFFTIM_MPU on the 24XX */ |
| 143 | #define OMAP_OFFTIMEVAL_SHIFT 0 |
| 144 | #define OMAP_OFFTIMEVAL_MASK (0xffffffff << 0) |
| 145 | |
| 146 | /* PRM_CLKSETUP and PRCM_VOLTSETUP */ |
| 147 | /* Named PRCM_CLKSSETUP on the 24XX */ |
| 148 | #define OMAP_SETUP_TIME_SHIFT 0 |
| 149 | #define OMAP_SETUP_TIME_MASK (0xffff << 0) |
| 150 | |
| 151 | /* PRM_CLKSRC_CTRL */ |
| 152 | /* Named PRCM_CLKSRC_CTRL on the 24XX */ |
| 153 | #define OMAP_SYSCLKDIV_SHIFT 6 |
| 154 | #define OMAP_SYSCLKDIV_MASK (0x3 << 6) |
Rajendra Nayak | 99e7938 | 2012-11-02 05:02:58 -0600 | [diff] [blame] | 155 | #define OMAP_SYSCLKDIV_WIDTH 2 |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 156 | #define OMAP_AUTOEXTCLKMODE_SHIFT 3 |
| 157 | #define OMAP_AUTOEXTCLKMODE_MASK (0x3 << 3) |
| 158 | #define OMAP_SYSCLKSEL_SHIFT 0 |
| 159 | #define OMAP_SYSCLKSEL_MASK (0x3 << 0) |
| 160 | |
| 161 | /* PM_EVGENCTRL_MPU */ |
| 162 | #define OMAP_OFFLOADMODE_SHIFT 3 |
| 163 | #define OMAP_OFFLOADMODE_MASK (0x3 << 3) |
| 164 | #define OMAP_ONLOADMODE_SHIFT 1 |
| 165 | #define OMAP_ONLOADMODE_MASK (0x3 << 1) |
| 166 | #define OMAP_ENABLE_MASK (1 << 0) |
| 167 | |
| 168 | /* PRM_RSTTIME */ |
| 169 | /* Named RM_RSTTIME_WKUP on the 24xx */ |
| 170 | #define OMAP_RSTTIME2_SHIFT 8 |
| 171 | #define OMAP_RSTTIME2_MASK (0x1f << 8) |
| 172 | #define OMAP_RSTTIME1_SHIFT 0 |
| 173 | #define OMAP_RSTTIME1_MASK (0xff << 0) |
| 174 | |
| 175 | /* PRM_RSTCTRL */ |
| 176 | /* Named RM_RSTCTRL_WKUP on the 24xx */ |
| 177 | /* 2420 calls RST_DPLL3 'RST_DPLL' */ |
| 178 | #define OMAP_RST_DPLL3_MASK (1 << 2) |
| 179 | #define OMAP_RST_GS_MASK (1 << 1) |
| 180 | |
| 181 | |
| 182 | /* |
| 183 | * Bits common to module-shared registers |
| 184 | * |
| 185 | * Not all registers of a particular type support all of these bits - |
| 186 | * check TRM if you are unsure |
| 187 | */ |
| 188 | |
| 189 | /* |
| 190 | * 24XX: RM_RSTST_MPU and RM_RSTST_DSP - on 24XX, 'COREDOMAINWKUP_RST' is |
| 191 | * called 'COREWKUP_RST' |
| 192 | * |
| 193 | * 3430: RM_RSTST_IVA2, RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSS, |
| 194 | * RM_RSTST_CAM, RM_RSTST_PER, RM_RSTST_NEON |
| 195 | */ |
| 196 | #define OMAP_COREDOMAINWKUP_RST_MASK (1 << 3) |
| 197 | |
| 198 | /* |
| 199 | * 24XX: RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSP |
| 200 | * |
| 201 | * 2430: RM_RSTST_MDM |
| 202 | * |
| 203 | * 3430: RM_RSTST_CORE, RM_RSTST_EMU |
| 204 | */ |
| 205 | #define OMAP_DOMAINWKUP_RST_MASK (1 << 2) |
| 206 | |
| 207 | /* |
| 208 | * 24XX: RM_RSTST_MPU, RM_RSTST_WKUP, RM_RSTST_DSP |
| 209 | * On 24XX, 'GLOBALWARM_RST' is called 'GLOBALWMPU_RST'. |
| 210 | * |
| 211 | * 2430: RM_RSTST_MDM |
| 212 | * |
| 213 | * 3430: RM_RSTST_CORE, RM_RSTST_EMU |
| 214 | */ |
Paul Walmsley | 2bb2a5d | 2012-10-21 01:01:13 -0600 | [diff] [blame] | 215 | #define OMAP_GLOBALWARM_RST_SHIFT 1 |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 216 | #define OMAP_GLOBALWARM_RST_MASK (1 << 1) |
Paul Walmsley | 2bb2a5d | 2012-10-21 01:01:13 -0600 | [diff] [blame] | 217 | #define OMAP_GLOBALCOLD_RST_SHIFT 0 |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 218 | #define OMAP_GLOBALCOLD_RST_MASK (1 << 0) |
| 219 | |
| 220 | /* |
| 221 | * 24XX: PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_CORE, PM_WKDEP_DSP |
| 222 | * 2420 TRM sometimes uses "EN_WAKEUP" instead of "EN_WKUP" |
| 223 | * |
| 224 | * 2430: PM_WKDEP_MDM |
| 225 | * |
| 226 | * 3430: PM_WKDEP_IVA2, PM_WKDEP_GFX, PM_WKDEP_DSS, PM_WKDEP_CAM, |
| 227 | * PM_WKDEP_PER |
| 228 | */ |
| 229 | #define OMAP_EN_WKUP_SHIFT 4 |
| 230 | #define OMAP_EN_WKUP_MASK (1 << 4) |
| 231 | |
| 232 | /* |
| 233 | * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, |
| 234 | * PM_PWSTCTRL_DSP |
| 235 | * |
| 236 | * 2430: PM_PWSTCTRL_MDM |
| 237 | * |
| 238 | * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, |
| 239 | * PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER, |
| 240 | * PM_PWSTCTRL_NEON |
| 241 | */ |
| 242 | #define OMAP_LOGICRETSTATE_MASK (1 << 2) |
| 243 | |
| 244 | |
Paul Walmsley | 59fb659 | 2010-12-21 15:30:55 -0700 | [diff] [blame] | 245 | #endif |