From: Abhijit Pagare Date: Wed, 27 Jan 2010 03:12:51 +0000 (-0700) Subject: ARM: OMAP4: PM: OMAP4 Power Domain Porting Related Clean-up. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3790300903e6a98ce5f5391f4d435959266f79e7;p=linux-beck.git ARM: OMAP4: PM: OMAP4 Power Domain Porting Related Clean-up. Module offsets were same for OMAP2 and OMAP3 while they differ for OMAP4. Hence we need different macros for identifying platform specific offsets. Signed-off-by: Abhijit Pagare Signed-off-by: Paul Walmsley Cc: Benoit Cousson Cc: Rajendra Nayak --- diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index dd285f001467..50c8cd7c7126 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -413,7 +413,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm) if (cpu_is_omap24xx()) { cm_set_mod_reg_bits(OMAP24XX_FORCESTATE, - clkdm->pwrdm.ptr->prcm_offs, PM_PWSTCTRL); + clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL); } else if (cpu_is_omap34xx()) { @@ -455,7 +455,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm) if (cpu_is_omap24xx()) { cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE, - clkdm->pwrdm.ptr->prcm_offs, PM_PWSTCTRL); + clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL); } else if (cpu_is_omap34xx()) { diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index a0866268aa41..03dc845c82cb 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -68,8 +68,8 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) /* MPU */ DUMP_PRM_MOD_REG(OCP_MOD, OMAP2_PRM_IRQENABLE_MPU_OFFSET); DUMP_CM_MOD_REG(MPU_MOD, CM_CLKSTCTRL); - DUMP_PRM_MOD_REG(MPU_MOD, PM_PWSTCTRL); - DUMP_PRM_MOD_REG(MPU_MOD, PM_PWSTST); + DUMP_PRM_MOD_REG(MPU_MOD, OMAP2_PM_PWSTCTRL); + DUMP_PRM_MOD_REG(MPU_MOD, OMAP2_PM_PWSTST); DUMP_PRM_MOD_REG(MPU_MOD, PM_WKDEP); #endif #if 0 @@ -93,7 +93,7 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) DUMP_CM_MOD_REG(WKUP_MOD, CM_ICLKEN); DUMP_CM_MOD_REG(PLL_MOD, CM_CLKEN); DUMP_CM_MOD_REG(PLL_MOD, CM_AUTOIDLE); - DUMP_PRM_MOD_REG(CORE_MOD, PM_PWSTST); + DUMP_PRM_MOD_REG(CORE_MOD, OMAP2_PM_PWSTST); #endif #if 0 /* DSP */ @@ -104,10 +104,10 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_AUTOIDLE); DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_CLKSEL); DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_CLKSTCTRL); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, RM_RSTCTRL); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, RM_RSTST); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, PM_PWSTCTRL); - DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, PM_PWSTST); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_RM_RSTCTRL); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_RM_RSTST); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_PM_PWSTCTRL); + DUMP_PRM_MOD_REG(OMAP24XX_DSP_MOD, OMAP2_PM_PWSTST); } #endif } else { diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index cba05b9f041f..754381857cb6 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -219,11 +219,12 @@ static void omap2_enter_mpu_retention(void) /* Try to enter MPU retention */ prm_write_mod_reg((0x01 << OMAP_POWERSTATE_SHIFT) | OMAP_LOGICRETSTATE, - MPU_MOD, PM_PWSTCTRL); + MPU_MOD, OMAP2_PM_PWSTCTRL); } else { /* Block MPU retention */ - prm_write_mod_reg(OMAP_LOGICRETSTATE, MPU_MOD, PM_PWSTCTRL); + prm_write_mod_reg(OMAP_LOGICRETSTATE, MPU_MOD, + OMAP2_PM_PWSTCTRL); only_idle = 1; } diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 910a7acf542d..f841a6e33611 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -685,7 +685,7 @@ static void __init omap3_iva_idle(void) prm_write_mod_reg(OMAP3430_RST1_IVA2 | OMAP3430_RST2_IVA2 | OMAP3430_RST3_IVA2, - OMAP3430_IVA2_MOD, RM_RSTCTRL); + OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); /* Enable IVA2 clock */ cm_write_mod_reg(OMAP3430_CM_FCLKEN_IVA2_EN_IVA2, @@ -696,7 +696,7 @@ static void __init omap3_iva_idle(void) OMAP343X_CONTROL_IVA2_BOOTMOD); /* Un-reset IVA2 */ - prm_write_mod_reg(0, OMAP3430_IVA2_MOD, RM_RSTCTRL); + prm_write_mod_reg(0, OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); /* Disable IVA2 clock */ cm_write_mod_reg(0, OMAP3430_IVA2_MOD, CM_FCLKEN); @@ -705,7 +705,7 @@ static void __init omap3_iva_idle(void) prm_write_mod_reg(OMAP3430_RST1_IVA2 | OMAP3430_RST2_IVA2 | OMAP3430_RST3_IVA2, - OMAP3430_IVA2_MOD, RM_RSTCTRL); + OMAP3430_IVA2_MOD, OMAP2_RM_RSTCTRL); } static void __init omap3_d2d_idle(void) @@ -728,8 +728,8 @@ static void __init omap3_d2d_idle(void) /* reset modem */ prm_write_mod_reg(OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RSTPWRON | OMAP3430_RM_RSTCTRL_CORE_MODEM_SW_RST, - CORE_MOD, RM_RSTCTRL); - prm_write_mod_reg(0, CORE_MOD, RM_RSTCTRL); + CORE_MOD, OMAP2_RM_RSTCTRL); + prm_write_mod_reg(0, CORE_MOD, OMAP2_RM_RSTCTRL); } static void __init prcm_setup_regs(void) @@ -916,13 +916,13 @@ static void __init prcm_setup_regs(void) prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL); /* Clear any pending 'reset' flags */ - prm_write_mod_reg(0xffffffff, MPU_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, CORE_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_PER_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_EMU_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_NEON_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_DSS_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430ES2_USBHOST_MOD, RM_RSTST); + prm_write_mod_reg(0xffffffff, MPU_MOD, OMAP2_RM_RSTST); + prm_write_mod_reg(0xffffffff, CORE_MOD, OMAP2_RM_RSTST); + prm_write_mod_reg(0xffffffff, OMAP3430_PER_MOD, OMAP2_RM_RSTST); + prm_write_mod_reg(0xffffffff, OMAP3430_EMU_MOD, OMAP2_RM_RSTST); + prm_write_mod_reg(0xffffffff, OMAP3430_NEON_MOD, OMAP2_RM_RSTST); + prm_write_mod_reg(0xffffffff, OMAP3430_DSS_MOD, OMAP2_RM_RSTST); + prm_write_mod_reg(0xffffffff, OMAP3430ES2_USBHOST_MOD, OMAP2_RM_RSTST); /* Clear any pending PRCM interrupts */ prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 26b3f3ee82a3..e503050dda06 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -710,7 +710,7 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK, (pwrst << OMAP_POWERSTATE_SHIFT), - pwrdm->prcm_offs, PM_PWSTCTRL); + pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL); return 0; } @@ -728,7 +728,7 @@ int pwrdm_read_next_pwrst(struct powerdomain *pwrdm) if (!pwrdm) return -EINVAL; - return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTCTRL, + return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL, OMAP_POWERSTATE_MASK); } @@ -745,7 +745,7 @@ int pwrdm_read_pwrst(struct powerdomain *pwrdm) if (!pwrdm) return -EINVAL; - return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTST, + return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP2_PM_PWSTST, OMAP_POWERSTATEST_MASK); } @@ -796,7 +796,7 @@ int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst) */ prm_rmw_mod_reg_bits(OMAP3430_LOGICL1CACHERETSTATE, (pwrst << __ffs(OMAP3430_LOGICL1CACHERETSTATE)), - pwrdm->prcm_offs, PM_PWSTCTRL); + pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL); return 0; } @@ -856,7 +856,7 @@ int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst) } prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), - pwrdm->prcm_offs, PM_PWSTCTRL); + pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL); return 0; } @@ -917,7 +917,7 @@ int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst) } prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs, - PM_PWSTCTRL); + OMAP2_PM_PWSTCTRL); return 0; } @@ -936,7 +936,7 @@ int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm) if (!pwrdm) return -EINVAL; - return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTST, + return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP2_PM_PWSTST, OMAP3430_LOGICSTATEST); } @@ -1010,7 +1010,7 @@ int pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank) return -EEXIST; } - return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTST, m); + return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP2_PM_PWSTST, m); } /** @@ -1114,7 +1114,7 @@ int pwrdm_enable_hdwr_sar(struct powerdomain *pwrdm) pwrdm->name); prm_rmw_mod_reg_bits(0, 1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT, - pwrdm->prcm_offs, PM_PWSTCTRL); + pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL); return 0; } @@ -1142,7 +1142,7 @@ int pwrdm_disable_hdwr_sar(struct powerdomain *pwrdm) pwrdm->name); prm_rmw_mod_reg_bits(1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT, 0, - pwrdm->prcm_offs, PM_PWSTCTRL); + pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL); return 0; } @@ -1183,7 +1183,7 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm) */ /* XXX Is this udelay() value meaningful? */ - while ((prm_read_mod_reg(pwrdm->prcm_offs, PM_PWSTST) & + while ((prm_read_mod_reg(pwrdm->prcm_offs, OMAP2_PM_PWSTST) & OMAP_INTRANSITION) && (c++ < PWRDM_TRANSITION_BAILOUT)) udelay(1); diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h index 61ac2a418bd0..90f603d434c6 100644 --- a/arch/arm/mach-omap2/prcm-common.h +++ b/arch/arm/mach-omap2/prcm-common.h @@ -119,6 +119,15 @@ #define OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD 0x0400 #define OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD 0x0800 +/* Base Addresses for the OMAP4 */ + +#define OMAP4430_CM1_BASE 0x4a004000 +#define OMAP4430_CM2_BASE 0x4a008000 +#define OMAP4430_PRM_BASE 0x4a306000 +#define OMAP4430_SCRM_BASE 0x4a30a000 +#define OMAP4430_CHIRONSS_BASE 0x48243000 + + /* 24XX register bits shared between CM & PRM registers */ /* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */ diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index cf466ea1dffc..b4ba14974b37 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -11,6 +11,7 @@ * Rajendra Nayak * * Some pieces of code Copyright (C) 2005 Texas Instruments, Inc. + * Upgraded with OMAP4 support by Abhijit Pagare * * 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 @@ -121,7 +122,10 @@ struct omap3_prcm_regs prcm_context; u32 omap_prcm_get_reset_sources(void) { /* XXX This presumably needs modification for 34XX */ - return prm_read_mod_reg(WKUP_MOD, RM_RSTST) & 0x7f; + if (cpu_is_omap24xx() | cpu_is_omap34xx()) + return prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTST) & 0x7f; + if (cpu_is_omap44xx()) + return prm_read_mod_reg(WKUP_MOD, OMAP4_RM_RSTST) & 0x7f; } EXPORT_SYMBOL(omap_prcm_get_reset_sources); @@ -144,10 +148,17 @@ void omap_prcm_arch_reset(char mode) * cf. OMAP34xx TRM, Initialization / Software Booting * Configuration. */ omap_writel(l, OMAP343X_SCRATCHPAD + 4); - } else + } else if (cpu_is_omap44xx()) + prcm_offs = OMAP4430_PRM_DEVICE_MOD; + else WARN_ON(1); - prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, RM_RSTCTRL); + if (cpu_is_omap24xx() | cpu_is_omap34xx()) + prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, + OMAP2_RM_RSTCTRL); + if (cpu_is_omap44xx()) + prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, + OMAP4_RM_RSTCTRL); } static inline u32 __omap_prcm_read(void __iomem *base, s16 module, u16 reg) diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h index 40f006285163..5fba2aa8932c 100644 --- a/arch/arm/mach-omap2/prm.h +++ b/arch/arm/mach-omap2/prm.h @@ -179,9 +179,11 @@ /* Registers appearing on both 24xx and 34xx */ -#define RM_RSTCTRL 0x0050 -#define RM_RSTTIME 0x0054 -#define RM_RSTST 0x0058 +#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 @@ -191,8 +193,6 @@ #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 @@ -220,6 +220,13 @@ #define OMAP3430_PRM_IRQSTATUS_IVA2 0x00f8 #define OMAP3430_PRM_IRQENABLE_IVA2 0x00fc +/* Omap4 specific registers */ +#define OMAP4_RM_RSTCTRL 0x0000 +#define OMAP4_RM_RSTTIME 0x0004 +#define OMAP4_RM_RSTST 0x0008 +#define OMAP4_PM_PWSTCTRL 0x0000 +#define OMAP4_PM_PWSTST 0x0004 + #ifndef __ASSEMBLER__ diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index c3626ea48143..22fcc14e63be 100644 --- a/arch/arm/mach-omap2/sleep34xx.S +++ b/arch/arm/mach-omap2/sleep34xx.S @@ -38,7 +38,7 @@ #define PM_PREPWSTST_CORE_P 0x48306AE8 #define PM_PREPWSTST_MPU_V OMAP34XX_PRM_REGADDR(MPU_MOD, \ OMAP3430_PM_PREPWSTST) -#define PM_PWSTCTRL_MPU_P OMAP3430_PRM_BASE + MPU_MOD + PM_PWSTCTRL +#define PM_PWSTCTRL_MPU_P OMAP3430_PRM_BASE + MPU_MOD + OMAP2_PM_PWSTCTRL #define CM_IDLEST1_CORE_V OMAP34XX_CM_REGADDR(CORE_MOD, CM_IDLEST1) #define SRAM_BASE_P 0x40200000 #define CONTROL_STAT 0x480022F0