Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ARM: OMAP4: PM: OMAP4 Power Domain Porting Related Clean-up.

Browse source 
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 <abhijitpagare@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
This commit is contained in:
Abhijit Pagare 2010-01-26 20:12:51 -07:00 committed by Paul Walmsley
parent c6a6e6e203
commit 3790300903
9 changed files with 71 additions and 43 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/arm/mach-omap2/clockdomain.c
View file

@ -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()) {

14
arch/arm/mach-omap2/pm-debug.c
View file

@ -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 {

5
arch/arm/mach-omap2/pm24xx.c
View file

@ -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;
}

24
arch/arm/mach-omap2/pm34xx.c
View file

@ -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);

22
arch/arm/mach-omap2/powerdomain.c
View file

@ -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);

9
arch/arm/mach-omap2/prcm-common.h
View file

@ -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 */

17
arch/arm/mach-omap2/prcm.c
View file

@ -11,6 +11,7 @@
* Rajendra Nayak <rnayak@ti.com>
*
* Some pieces of code Copyright (C) 2005 Texas Instruments, Inc.
* Upgraded with OMAP4 support by Abhijit Pagare <abhijitpagare@ti.com>
*
* 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)

17
arch/arm/mach-omap2/prm.h
View file

@ -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__

2
arch/arm/mach-omap2/sleep34xx.S
View file

@ -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