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arm-soc: power management changes 

Power management changes here are mostly for the omap platform, but also
 include cpuidle changes for ux500 and suspend/resume code for mmp.
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Merge tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc power management changes from Olof Johansson:
 "Power management changes here are mostly for the omap platform, but
  also include cpuidle changes for ux500 and suspend/resume code for
  mmp."

* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  ARM: OMAP2+: WDTIMER integration: fix !PM boot crash, disarm timer after hwmod reset
  ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod database
  ARM: OMAP4: hwmod_data: Name the common irq for McBSP ports
  ARM: OMAP4: hwmod data: I2C: add flag for context restore
  ARM: OMAP3: hwmod_data: Rename the common irq for McBSP ports
  ARM: OMAP2xxx: hwmod data: add HDQ/1-wire hwmod
  ARM: OMAP3: hwmod data: add HDQ/1-wire hwmod
  ARM: OMAP2+: hwmod data: add HDQ/1-wire hwmod shared data
  ARM: OMAP2+: HDQ1W: add custom reset function
  ARM: OMAP2420: hwmod data: Add MMC hwmod data for 2420
  arm: omap3: clockdomain data: Remove superfluous commas from gfx_sgx_3xxx_wkdeps[]
  ARM: OMAP2+: powerdomain: Get rid off duplicate pwrdm_clkdm_state_switch() API
  ARM: OMAP3: clock data: add clockdomain for HDQ functional clock
  ARM: OMAP3+: dpll: Configure autoidle mode only if it's supported
  ARM: OMAP2+: dmtimer: cleanup iclk usage
  ARM: OMAP4+: Add prm and cm base init function.
  ARM: OMAP2/3: Add idle_st bits for ST_32KSYNC timer to prcm-common header
  ARM: OMAP3: Fix CM register bit masks
  ARM: OMAP: clock: convert AM3517/3505 detection/flags to AM35xx
  ARM: OMAP3: clock data: treat all AM35x devices the same
  ...
This commit is contained in:
Linus Torvalds 2012-05-22 09:41:01 -07:00
parent 813a95e5b4 ada2e35def
commit cdd3a354a0
57 changed files with 3204 additions and 176 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/Kconfig
View File

@ -2261,7 +2261,7 @@ source "kernel/power/Kconfig"
config ARCH_SUSPEND_POSSIBLE
depends on !ARCH_S5PC100 && !ARCH_TEGRA
depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK
def_bool y
config ARM_CPU_SUSPEND

5
arch/arm/mach-mmp/Makefile
View File

@ -9,6 +9,11 @@ obj-$(CONFIG_CPU_PXA168) += pxa168.o
obj-$(CONFIG_CPU_PXA910) += pxa910.o
obj-$(CONFIG_CPU_MMP2) += mmp2.o sram.o
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_CPU_PXA910) += pm-pxa910.o
obj-$(CONFIG_CPU_MMP2) += pm-mmp2.o
endif
# board support
obj-$(CONFIG_MACH_ASPENITE) += aspenite.o
obj-$(CONFIG_MACH_ZYLONITE2) += aspenite.o

12
arch/arm/mach-mmp/include/mach/addr-map.h
View File

@ -31,4 +31,16 @@
#define SMC_CS1_PHYS_BASE 0x90000000
#define SMC_CS1_PHYS_SIZE 0x10000000
#define APMU_VIRT_BASE (AXI_VIRT_BASE + 0x82800)
#define APMU_REG(x) (APMU_VIRT_BASE + (x))
#define APBC_VIRT_BASE (APB_VIRT_BASE + 0x015000)
#define APBC_REG(x) (APBC_VIRT_BASE + (x))
#define MPMU_VIRT_BASE (APB_VIRT_BASE + 0x50000)
#define MPMU_REG(x) (MPMU_VIRT_BASE + (x))
#define CIU_VIRT_BASE (AXI_VIRT_BASE + 0x82c00)
#define CIU_REG(x) (CIU_VIRT_BASE + (x))
#endif /* __ASM_MACH_ADDR_MAP_H */

61
arch/arm/mach-mmp/include/mach/pm-mmp2.h Normal file
View File

@ -0,0 +1,61 @@
/*
* MMP2 Power Management Routines
*
* This software program is licensed subject to the GNU General Public License
* (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
*
* (C) Copyright 2010 Marvell International Ltd.
* All Rights Reserved
*/
#ifndef __MMP2_PM_H__
#define __MMP2_PM_H__
#include <mach/addr-map.h>
#define APMU_PJ_IDLE_CFG APMU_REG(0x018)
#define APMU_PJ_IDLE_CFG_PJ_IDLE (1 << 1)
#define APMU_PJ_IDLE_CFG_PJ_PWRDWN (1 << 5)
#define APMU_PJ_IDLE_CFG_PWR_SW(x) ((x) << 16)
#define APMU_PJ_IDLE_CFG_L2_PWR_SW (1 << 19)
#define APMU_PJ_IDLE_CFG_ISO_MODE_CNTRL_MASK (3 << 28)
#define APMU_SRAM_PWR_DWN APMU_REG(0x08c)
#define MPMU_SCCR MPMU_REG(0x038)
#define MPMU_PCR_PJ MPMU_REG(0x1000)
#define MPMU_PCR_PJ_AXISD (1 << 31)
#define MPMU_PCR_PJ_SLPEN (1 << 29)
#define MPMU_PCR_PJ_SPSD (1 << 28)
#define MPMU_PCR_PJ_DDRCORSD (1 << 27)
#define MPMU_PCR_PJ_APBSD (1 << 26)
#define MPMU_PCR_PJ_INTCLR (1 << 24)
#define MPMU_PCR_PJ_SLPWP0 (1 << 23)
#define MPMU_PCR_PJ_SLPWP1 (1 << 22)
#define MPMU_PCR_PJ_SLPWP2 (1 << 21)
#define MPMU_PCR_PJ_SLPWP3 (1 << 20)
#define MPMU_PCR_PJ_VCTCXOSD (1 << 19)
#define MPMU_PCR_PJ_SLPWP4 (1 << 18)
#define MPMU_PCR_PJ_SLPWP5 (1 << 17)
#define MPMU_PCR_PJ_SLPWP6 (1 << 16)
#define MPMU_PCR_PJ_SLPWP7 (1 << 15)
#define MPMU_PLL2_CTRL1 MPMU_REG(0x0414)
#define MPMU_CGR_PJ MPMU_REG(0x1024)
#define MPMU_WUCRM_PJ MPMU_REG(0x104c)
#define MPMU_WUCRM_PJ_WAKEUP(x) (1 << (x))
#define MPMU_WUCRM_PJ_RTC_ALARM (1 << 17)
enum {
POWER_MODE_ACTIVE = 0,
POWER_MODE_CORE_INTIDLE,
POWER_MODE_CORE_EXTIDLE,
POWER_MODE_APPS_IDLE,
POWER_MODE_APPS_SLEEP,
POWER_MODE_CHIP_SLEEP,
POWER_MODE_SYS_SLEEP,
};
extern void mmp2_pm_enter_lowpower_mode(int state);
extern int mmp2_set_wake(struct irq_data *d, unsigned int on);
#endif

77
arch/arm/mach-mmp/include/mach/pm-pxa910.h Normal file
View File

@ -0,0 +1,77 @@
/*
* PXA910 Power Management Routines
*
* This software program is licensed subject to the GNU General Public License
* (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
*
* (C) Copyright 2009 Marvell International Ltd.
* All Rights Reserved
*/
#ifndef __PXA910_PM_H__
#define __PXA910_PM_H__
#define APMU_MOH_IDLE_CFG APMU_REG(0x0018)
#define APMU_MOH_IDLE_CFG_MOH_IDLE (1 << 1)
#define APMU_MOH_IDLE_CFG_MOH_PWRDWN (1 << 5)
#define APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN (1 << 6)
#define APMU_MOH_IDLE_CFG_MOH_PWR_SW(x) (((x) & 0x3) << 16)
#define APMU_MOH_IDLE_CFG_MOH_L2_PWR_SW(x) (((x) & 0x3) << 18)
#define APMU_MOH_IDLE_CFG_MOH_DIS_MC_SW_REQ (1 << 21)
#define APMU_MOH_IDLE_CFG_MOH_MC_WAKE_EN (1 << 20)
#define APMU_SQU_CLK_GATE_CTRL APMU_REG(0x001c)
#define APMU_MC_HW_SLP_TYPE APMU_REG(0x00b0)
#define MPMU_FCCR MPMU_REG(0x0008)
#define MPMU_APCR MPMU_REG(0x1000)
#define MPMU_APCR_AXISD (1 << 31)
#define MPMU_APCR_DSPSD (1 << 30)
#define MPMU_APCR_SLPEN (1 << 29)
#define MPMU_APCR_DTCMSD (1 << 28)
#define MPMU_APCR_DDRCORSD (1 << 27)
#define MPMU_APCR_APBSD (1 << 26)
#define MPMU_APCR_BBSD (1 << 25)
#define MPMU_APCR_SLPWP0 (1 << 23)
#define MPMU_APCR_SLPWP1 (1 << 22)
#define MPMU_APCR_SLPWP2 (1 << 21)
#define MPMU_APCR_SLPWP3 (1 << 20)
#define MPMU_APCR_VCTCXOSD (1 << 19)
#define MPMU_APCR_SLPWP4 (1 << 18)
#define MPMU_APCR_SLPWP5 (1 << 17)
#define MPMU_APCR_SLPWP6 (1 << 16)
#define MPMU_APCR_SLPWP7 (1 << 15)
#define MPMU_APCR_MSASLPEN (1 << 14)
#define MPMU_APCR_STBYEN (1 << 13)
#define MPMU_AWUCRM MPMU_REG(0x104c)
#define MPMU_AWUCRM_AP_ASYNC_INT (1 << 25)
#define MPMU_AWUCRM_AP_FULL_IDLE (1 << 24)
#define MPMU_AWUCRM_SDH1 (1 << 23)
#define MPMU_AWUCRM_SDH2 (1 << 22)
#define MPMU_AWUCRM_KEYPRESS (1 << 21)
#define MPMU_AWUCRM_TRACKBALL (1 << 20)
#define MPMU_AWUCRM_NEWROTARY (1 << 19)
#define MPMU_AWUCRM_RTC_ALARM (1 << 17)
#define MPMU_AWUCRM_AP2_TIMER_3 (1 << 13)
#define MPMU_AWUCRM_AP2_TIMER_2 (1 << 12)
#define MPMU_AWUCRM_AP2_TIMER_1 (1 << 11)
#define MPMU_AWUCRM_AP1_TIMER_3 (1 << 10)
#define MPMU_AWUCRM_AP1_TIMER_2 (1 << 9)
#define MPMU_AWUCRM_AP1_TIMER_1 (1 << 8)
#define MPMU_AWUCRM_WAKEUP(x) (1 << ((x) & 0x7))
enum {
POWER_MODE_ACTIVE = 0,
POWER_MODE_CORE_INTIDLE,
POWER_MODE_CORE_EXTIDLE,
POWER_MODE_APPS_IDLE,
POWER_MODE_APPS_SLEEP,
POWER_MODE_SYS_SLEEP,
POWER_MODE_HIBERNATE,
POWER_MODE_UDR,
};
extern int pxa910_set_wake(struct irq_data *data, unsigned int on);
#endif

3
arch/arm/mach-mmp/include/mach/regs-apbc.h
View File

@ -13,9 +13,6 @@
#include <mach/addr-map.h>
#define APBC_VIRT_BASE (APB_VIRT_BASE + 0x015000)
#define APBC_REG(x) (APBC_VIRT_BASE + (x))
/*
* APB clock register offsets for PXA168
*/

3
arch/arm/mach-mmp/include/mach/regs-apmu.h
View File

@ -13,9 +13,6 @@
#include <mach/addr-map.h>
#define APMU_VIRT_BASE (AXI_VIRT_BASE + 0x82800)
#define APMU_REG(x) (APMU_VIRT_BASE + (x))
/* Clock Reset Control */
#define APMU_IRE APMU_REG(0x048)
#define APMU_LCD APMU_REG(0x04c)

13
arch/arm/mach-mmp/irq.c
View File

@ -23,6 +23,13 @@
#include <mach/irqs.h>
#ifdef CONFIG_CPU_MMP2
#include <mach/pm-mmp2.h>
#endif
#ifdef CONFIG_CPU_PXA910
#include <mach/pm-pxa910.h>
#endif
#include "common.h"
#define MAX_ICU_NR 16
@ -209,6 +216,9 @@ void __init icu_init_irq(void)
set_irq_flags(irq, IRQF_VALID);
}
irq_set_default_host(icu_data[0].domain);
#ifdef CONFIG_CPU_PXA910
icu_irq_chip.irq_set_wake = pxa910_set_wake;
#endif
}
/* MMP2 (ARMv7) */
@ -305,6 +315,9 @@ void __init mmp2_init_icu(void)
set_irq_flags(irq, IRQF_VALID);
}
irq_set_default_host(icu_data[0].domain);
#ifdef CONFIG_CPU_MMP2
icu_irq_chip.irq_set_wake = mmp2_set_wake;
#endif
}
#ifdef CONFIG_OF

264
arch/arm/mach-mmp/pm-mmp2.c Normal file
View File

@ -0,0 +1,264 @@
/*
* MMP2 Power Management Routines
*
* This software program is licensed subject to the GNU General Public License
* (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
*
* (C) Copyright 2012 Marvell International Ltd.
* All Rights Reserved
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/time.h>
#include <linux/delay.h>
#include <linux/suspend.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <mach/cputype.h>
#include <mach/addr-map.h>
#include <mach/pm-mmp2.h>
#include <mach/regs-icu.h>
#include <mach/irqs.h>
int mmp2_set_wake(struct irq_data *d, unsigned int on)
{
int irq = d->irq;
struct irq_desc *desc = irq_to_desc(irq);
unsigned long data = 0;
if (unlikely(irq >= nr_irqs)) {
pr_err("IRQ nubmers are out of boundary!\n");
return -EINVAL;
}
if (on) {
if (desc->action)
desc->action->flags |= IRQF_NO_SUSPEND;
} else {
if (desc->action)
desc->action->flags &= ~IRQF_NO_SUSPEND;
}
/* enable wakeup sources */
switch (irq) {
case IRQ_MMP2_RTC:
case IRQ_MMP2_RTC_ALARM:
data = MPMU_WUCRM_PJ_WAKEUP(4) | MPMU_WUCRM_PJ_RTC_ALARM;
break;
case IRQ_MMP2_PMIC:
data = MPMU_WUCRM_PJ_WAKEUP(7);
break;
case IRQ_MMP2_MMC2:
/* mmc use WAKEUP2, same as GPIO wakeup source */
data = MPMU_WUCRM_PJ_WAKEUP(2);
break;
}
if (on) {
if (data) {
data |= __raw_readl(MPMU_WUCRM_PJ);
__raw_writel(data, MPMU_WUCRM_PJ);
}
} else {
if (data) {
data = ~data & __raw_readl(MPMU_WUCRM_PJ);
__raw_writel(data, MPMU_WUCRM_PJ);
}
}
return 0;
}
static void pm_scu_clk_disable(void)
{
unsigned int val;
/* close AXI fabric clock gate */
__raw_writel(0x0, CIU_REG(0x64));
__raw_writel(0x0, CIU_REG(0x68));
/* close MCB master clock gate */
val = __raw_readl(CIU_REG(0x1c));
val |= 0xf0;
__raw_writel(val, CIU_REG(0x1c));
return ;
}
static void pm_scu_clk_enable(void)
{
unsigned int val;
/* open AXI fabric clock gate */
__raw_writel(0x03003003, CIU_REG(0x64));
__raw_writel(0x00303030, CIU_REG(0x68));
/* open MCB master clock gate */
val = __raw_readl(CIU_REG(0x1c));
val &= ~(0xf0);
__raw_writel(val, CIU_REG(0x1c));
return ;
}
static void pm_mpmu_clk_disable(void)
{
/*
* disable clocks in MPMU_CGR_PJ register
* except clock for APMU_PLL1, APMU_PLL1_2 and AP_26M
*/
__raw_writel(0x0000a010, MPMU_CGR_PJ);
}
static void pm_mpmu_clk_enable(void)
{
unsigned int val;
__raw_writel(0xdffefffe, MPMU_CGR_PJ);
val = __raw_readl(MPMU_PLL2_CTRL1);
val |= (1 << 29);
__raw_writel(val, MPMU_PLL2_CTRL1);
return ;
}
void mmp2_pm_enter_lowpower_mode(int state)
{
uint32_t idle_cfg, apcr;
idle_cfg = __raw_readl(APMU_PJ_IDLE_CFG);
apcr = __raw_readl(MPMU_PCR_PJ);
apcr &= ~(MPMU_PCR_PJ_SLPEN | MPMU_PCR_PJ_DDRCORSD | MPMU_PCR_PJ_APBSD
| MPMU_PCR_PJ_AXISD | MPMU_PCR_PJ_VCTCXOSD | (1 << 13));
idle_cfg &= ~APMU_PJ_IDLE_CFG_PJ_IDLE;
switch (state) {
case POWER_MODE_SYS_SLEEP:
apcr |= MPMU_PCR_PJ_SLPEN; /* set the SLPEN bit */
apcr |= MPMU_PCR_PJ_VCTCXOSD; /* set VCTCXOSD */
/* fall through */
case POWER_MODE_CHIP_SLEEP:
apcr |= MPMU_PCR_PJ_SLPEN;
/* fall through */
case POWER_MODE_APPS_SLEEP:
apcr |= MPMU_PCR_PJ_APBSD; /* set APBSD */
/* fall through */
case POWER_MODE_APPS_IDLE:
apcr |= MPMU_PCR_PJ_AXISD; /* set AXISDD bit */
apcr |= MPMU_PCR_PJ_DDRCORSD; /* set DDRCORSD bit */
idle_cfg |= APMU_PJ_IDLE_CFG_PJ_PWRDWN; /* PJ power down */
apcr |= MPMU_PCR_PJ_SPSD;
/* fall through */
case POWER_MODE_CORE_EXTIDLE:
idle_cfg |= APMU_PJ_IDLE_CFG_PJ_IDLE; /* set the IDLE bit */
idle_cfg &= ~APMU_PJ_IDLE_CFG_ISO_MODE_CNTRL_MASK;
idle_cfg |= APMU_PJ_IDLE_CFG_PWR_SW(3)
| APMU_PJ_IDLE_CFG_L2_PWR_SW;
break;
case POWER_MODE_CORE_INTIDLE:
apcr &= ~MPMU_PCR_PJ_SPSD;
break;
}
/* set reserve bits */
apcr |= (1 << 30) | (1 << 25);
/* finally write the registers back */
__raw_writel(idle_cfg, APMU_PJ_IDLE_CFG);
__raw_writel(apcr, MPMU_PCR_PJ); /* 0xfe086000 */
}
static int mmp2_pm_enter(suspend_state_t state)
{
int temp;
temp = __raw_readl(MMP2_ICU_INT4_MASK);
if (temp & (1 << 1)) {
printk(KERN_ERR "%s: PMIC interrupt is handling\n", __func__);
return -EAGAIN;
}
temp = __raw_readl(APMU_SRAM_PWR_DWN);
temp |= ((1 << 19) | (1 << 18));
__raw_writel(temp, APMU_SRAM_PWR_DWN);
pm_mpmu_clk_disable();
pm_scu_clk_disable();
printk(KERN_INFO "%s: before suspend\n", __func__);
cpu_do_idle();
printk(KERN_INFO "%s: after suspend\n", __func__);
pm_mpmu_clk_enable(); /* enable clocks in MPMU */
pm_scu_clk_enable(); /* enable clocks in SCU */
return 0;
}
/*
* Called after processes are frozen, but before we shut down devices.
*/
static int mmp2_pm_prepare(void)
{
mmp2_pm_enter_lowpower_mode(POWER_MODE_SYS_SLEEP);
return 0;
}
/*
* Called after devices are re-setup, but before processes are thawed.
*/
static void mmp2_pm_finish(void)
{
mmp2_pm_enter_lowpower_mode(POWER_MODE_CORE_INTIDLE);
}
static int mmp2_pm_valid(suspend_state_t state)
{
return ((state == PM_SUSPEND_STANDBY) || (state == PM_SUSPEND_MEM));
}
/*
* Set to PM_DISK_FIRMWARE so we can quickly veto suspend-to-disk.
*/
static const struct platform_suspend_ops mmp2_pm_ops = {
.valid = mmp2_pm_valid,
.prepare = mmp2_pm_prepare,
.enter = mmp2_pm_enter,
.finish = mmp2_pm_finish,
};
static int __init mmp2_pm_init(void)
{
uint32_t apcr;
if (!cpu_is_mmp2())
return -EIO;
suspend_set_ops(&mmp2_pm_ops);
/*
* Set bit 0, Slow clock Select 32K clock input instead of VCXO
* VCXO is chosen by default, which would be disabled in suspend
*/
__raw_writel(0x5, MPMU_SCCR);
/*
* Clear bit 23 of CIU_CPU_CONF
* direct PJ4 to DDR access through Memory Controller slow queue
* fast queue has issue and cause lcd will flick
*/
__raw_writel(__raw_readl(CIU_REG(0x8)) & ~(0x1 << 23), CIU_REG(0x8));
/* Clear default low power control bit */
apcr = __raw_readl(MPMU_PCR_PJ);
apcr &= ~(MPMU_PCR_PJ_SLPEN | MPMU_PCR_PJ_DDRCORSD
| MPMU_PCR_PJ_APBSD | MPMU_PCR_PJ_AXISD | 1 << 13);
__raw_writel(apcr, MPMU_PCR_PJ);
return 0;
}
late_initcall(mmp2_pm_init);

285
arch/arm/mach-mmp/pm-pxa910.c Normal file
View File

@ -0,0 +1,285 @@
/*
* PXA910 Power Management Routines
*
* This software program is licensed subject to the GNU General Public License
* (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
*
* (C) Copyright 2009 Marvell International Ltd.
* All Rights Reserved
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/time.h>
#include <linux/delay.h>
#include <linux/suspend.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <mach/cputype.h>
#include <mach/addr-map.h>
#include <mach/pm-pxa910.h>
#include <mach/regs-icu.h>
#include <mach/irqs.h>
int pxa910_set_wake(struct irq_data *data, unsigned int on)
{
int irq = data->irq;
struct irq_desc *desc = irq_to_desc(data->irq);
uint32_t awucrm = 0, apcr = 0;
if (unlikely(irq >= nr_irqs)) {
pr_err("IRQ nubmers are out of boundary!\n");
return -EINVAL;
}
if (on) {
if (desc->action)
desc->action->flags |= IRQF_NO_SUSPEND;
} else {
if (desc->action)
desc->action->flags &= ~IRQF_NO_SUSPEND;
}
/* setting wakeup sources */
switch (irq) {
/* wakeup line 2 */
case IRQ_PXA910_AP_GPIO:
awucrm = MPMU_AWUCRM_WAKEUP(2);
apcr |= MPMU_APCR_SLPWP2;
break;
/* wakeup line 3 */
case IRQ_PXA910_KEYPAD:
awucrm = MPMU_AWUCRM_WAKEUP(3) | MPMU_AWUCRM_KEYPRESS;
apcr |= MPMU_APCR_SLPWP3;
break;
case IRQ_PXA910_ROTARY:
awucrm = MPMU_AWUCRM_WAKEUP(3) | MPMU_AWUCRM_NEWROTARY;
apcr |= MPMU_APCR_SLPWP3;
break;
case IRQ_PXA910_TRACKBALL:
awucrm = MPMU_AWUCRM_WAKEUP(3) | MPMU_AWUCRM_TRACKBALL;
apcr |= MPMU_APCR_SLPWP3;
break;
/* wakeup line 4 */
case IRQ_PXA910_AP1_TIMER1:
awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP1_TIMER_1;
apcr |= MPMU_APCR_SLPWP4;
break;
case IRQ_PXA910_AP1_TIMER2:
awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP1_TIMER_2;
apcr |= MPMU_APCR_SLPWP4;
break;
case IRQ_PXA910_AP1_TIMER3:
awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP1_TIMER_3;
apcr |= MPMU_APCR_SLPWP4;
break;
case IRQ_PXA910_AP2_TIMER1:
awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP2_TIMER_1;
apcr |= MPMU_APCR_SLPWP4;
break;
case IRQ_PXA910_AP2_TIMER2:
awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP2_TIMER_2;
apcr |= MPMU_APCR_SLPWP4;
break;
case IRQ_PXA910_AP2_TIMER3:
awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_AP2_TIMER_3;
apcr |= MPMU_APCR_SLPWP4;
break;
case IRQ_PXA910_RTC_ALARM:
awucrm = MPMU_AWUCRM_WAKEUP(4) | MPMU_AWUCRM_RTC_ALARM;
apcr |= MPMU_APCR_SLPWP4;
break;
/* wakeup line 5 */
case IRQ_PXA910_USB1:
case IRQ_PXA910_USB2:
awucrm = MPMU_AWUCRM_WAKEUP(5);
apcr |= MPMU_APCR_SLPWP5;
break;
/* wakeup line 6 */
case IRQ_PXA910_MMC:
awucrm = MPMU_AWUCRM_WAKEUP(6)
| MPMU_AWUCRM_SDH1
| MPMU_AWUCRM_SDH2;
apcr |= MPMU_APCR_SLPWP6;
break;
/* wakeup line 7 */
case IRQ_PXA910_PMIC_INT:
awucrm = MPMU_AWUCRM_WAKEUP(7);
apcr |= MPMU_APCR_SLPWP7;
break;
default:
if (irq >= IRQ_GPIO_START && irq < IRQ_BOARD_START) {
awucrm = MPMU_AWUCRM_WAKEUP(2);
apcr |= MPMU_APCR_SLPWP2;
} else
printk(KERN_ERR "Error: no defined wake up source irq: %d\n",
irq);
}
if (on) {
if (awucrm) {
awucrm |= __raw_readl(MPMU_AWUCRM);
__raw_writel(awucrm, MPMU_AWUCRM);
}
if (apcr) {
apcr = ~apcr & __raw_readl(MPMU_APCR);
__raw_writel(apcr, MPMU_APCR);
}
} else {
if (awucrm) {
awucrm = ~awucrm & __raw_readl(MPMU_AWUCRM);
__raw_writel(awucrm, MPMU_AWUCRM);
}
if (apcr) {
apcr |= __raw_readl(MPMU_APCR);
__raw_writel(apcr, MPMU_APCR);
}
}
return 0;
}
void pxa910_pm_enter_lowpower_mode(int state)
{
uint32_t idle_cfg, apcr;
idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
apcr = __raw_readl(MPMU_APCR);
apcr &= ~(MPMU_APCR_DDRCORSD | MPMU_APCR_APBSD | MPMU_APCR_AXISD
| MPMU_APCR_VCTCXOSD | MPMU_APCR_STBYEN);
idle_cfg &= ~(APMU_MOH_IDLE_CFG_MOH_IDLE
| APMU_MOH_IDLE_CFG_MOH_PWRDWN);
switch (state) {
case POWER_MODE_UDR:
/* only shutdown APB in UDR */
apcr |= MPMU_APCR_STBYEN | MPMU_APCR_APBSD;
/* fall through */
case POWER_MODE_SYS_SLEEP:
apcr |= MPMU_APCR_SLPEN; /* set the SLPEN bit */
apcr |= MPMU_APCR_VCTCXOSD; /* set VCTCXOSD */
/* fall through */
case POWER_MODE_APPS_SLEEP:
apcr |= MPMU_APCR_DDRCORSD; /* set DDRCORSD */
/* fall through */
case POWER_MODE_APPS_IDLE:
apcr |= MPMU_APCR_AXISD; /* set AXISDD bit */
/* fall through */
case POWER_MODE_CORE_EXTIDLE:
idle_cfg |= APMU_MOH_IDLE_CFG_MOH_IDLE;
idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWRDWN;
idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWR_SW(3)
| APMU_MOH_IDLE_CFG_MOH_L2_PWR_SW(3);
/* fall through */
case POWER_MODE_CORE_INTIDLE:
break;
}
/* program the memory controller hardware sleep type and auto wakeup */
idle_cfg |= APMU_MOH_IDLE_CFG_MOH_DIS_MC_SW_REQ;
idle_cfg |= APMU_MOH_IDLE_CFG_MOH_MC_WAKE_EN;
__raw_writel(0x0, APMU_MC_HW_SLP_TYPE); /* auto refresh */
/* set DSPSD, DTCMSD, BBSD, MSASLPEN */
apcr |= MPMU_APCR_DSPSD | MPMU_APCR_DTCMSD | MPMU_APCR_BBSD
| MPMU_APCR_MSASLPEN;
/*always set SLEPEN bit mainly for MSA*/
apcr |= MPMU_APCR_SLPEN;
/* finally write the registers back */
__raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
__raw_writel(apcr, MPMU_APCR);
}
static int pxa910_pm_enter(suspend_state_t state)
{
unsigned int idle_cfg, reg = 0;
/*pmic thread not completed,exit;otherwise system can't be waked up*/
reg = __raw_readl(ICU_INT_CONF(IRQ_PXA910_PMIC_INT));
if ((reg & 0x3) == 0)
return -EAGAIN;
idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWRDWN
| APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN;
__raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
/* disable L2 */
outer_disable();
/* wait for l2 idle */
while (!(readl(CIU_REG(0x8)) & (1 << 16)))
udelay(1);
cpu_do_idle();
/* enable L2 */
outer_resume();
/* wait for l2 idle */
while (!(readl(CIU_REG(0x8)) & (1 << 16)))
udelay(1);
idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
idle_cfg &= ~(APMU_MOH_IDLE_CFG_MOH_PWRDWN
| APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN);
__raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
return 0;
}
/*
* Called after processes are frozen, but before we shut down devices.
*/
static int pxa910_pm_prepare(void)
{
pxa910_pm_enter_lowpower_mode(POWER_MODE_UDR);
return 0;
}
/*
* Called after devices are re-setup, but before processes are thawed.
*/
static void pxa910_pm_finish(void)
{
pxa910_pm_enter_lowpower_mode(POWER_MODE_CORE_INTIDLE);
}
static int pxa910_pm_valid(suspend_state_t state)
{
return ((state == PM_SUSPEND_STANDBY) || (state == PM_SUSPEND_MEM));
}
static const struct platform_suspend_ops pxa910_pm_ops = {
.valid = pxa910_pm_valid,
.prepare = pxa910_pm_prepare,
.enter = pxa910_pm_enter,
.finish = pxa910_pm_finish,
};
static int __init pxa910_pm_init(void)
{
uint32_t awucrm = 0;
if (!cpu_is_pxa910())
return -EIO;
suspend_set_ops(&pxa910_pm_ops);
/* Set the following bits for MMP3 playback with VCTXO on */
__raw_writel(__raw_readl(APMU_SQU_CLK_GATE_CTRL) | (1 << 30),
APMU_SQU_CLK_GATE_CTRL);
__raw_writel(__raw_readl(MPMU_FCCR) | (1 << 28), MPMU_FCCR);
awucrm |= MPMU_AWUCRM_AP_ASYNC_INT | MPMU_AWUCRM_AP_FULL_IDLE;
__raw_writel(awucrm, MPMU_AWUCRM);
return 0;
}
late_initcall(pxa910_pm_init);

11
arch/arm/mach-mmp/ttc_dkb.c
View File

@ -17,6 +17,7 @@
#include <linux/interrupt.h>
#include <linux/i2c/pca953x.h>
#include <linux/gpio.h>
#include <linux/mfd/88pm860x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -135,7 +136,17 @@ static struct pca953x_platform_data max7312_data[] = {
},
};
static struct pm860x_platform_data ttc_dkb_pm8607_info = {
.irq_base = IRQ_BOARD_START,
};
static struct i2c_board_info ttc_dkb_i2c_info[] = {
{
.type = "88PM860x",
.addr = 0x34,
.platform_data = &ttc_dkb_pm8607_info,
.irq = IRQ_PXA910_PMIC_INT,
},
{
.type = "max7312",
.addr = 0x23,

13
arch/arm/mach-omap2/Makefile
View File

@ -4,7 +4,7 @@
# Common support
obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \
common.o gpio.o dma.o wd_timer.o display.o i2c.o
common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o
omap-2-3-common = irq.o sdrc.o
hwmod-common = omap_hwmod.o \
@ -118,16 +118,18 @@ obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common) \
powerdomains44xx_data.o
# PRCM clockdomain control
obj-$(CONFIG_ARCH_OMAP2) += clockdomain.o \
clockdomain-common += clockdomain.o \
clockdomains_common_data.o
obj-$(CONFIG_ARCH_OMAP2) += $(clockdomain-common) \
clockdomain2xxx_3xxx.o \
clockdomains2xxx_3xxx_data.o
obj-$(CONFIG_SOC_OMAP2420) += clockdomains2420_data.o
obj-$(CONFIG_SOC_OMAP2430) += clockdomains2430_data.o
obj-$(CONFIG_ARCH_OMAP3) += clockdomain.o \
obj-$(CONFIG_ARCH_OMAP3) += $(clockdomain-common) \
clockdomain2xxx_3xxx.o \
clockdomains2xxx_3xxx_data.o \
clockdomains3xxx_data.o
obj-$(CONFIG_ARCH_OMAP4) += clockdomain.o \
obj-$(CONFIG_ARCH_OMAP4) += $(clockdomain-common) \
clockdomain44xx.o \
clockdomains44xx_data.o
@ -187,6 +189,9 @@ ifneq ($(CONFIG_TIDSPBRIDGE),)
obj-y += dsp.o
endif
# OMAP2420 MSDI controller integration support ("MMC")
obj-$(CONFIG_SOC_OMAP2420) += msdi.o
# Specific board support
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o

2
arch/arm/mach-omap2/clock.c
View File

@ -439,7 +439,7 @@ void omap2_clk_disable_unused(struct clk *clk)
clk->ops->disable(clk);
}
if (clk->clkdm != NULL)
pwrdm_clkdm_state_switch(clk->clkdm);
pwrdm_state_switch(clk->clkdm->pwrdm.ptr);
}
#endif

25
arch/arm/mach-omap2/clock3xxx_data.c
View File

@ -1,7 +1,7 @@
/*
* OMAP3 clock data
*
* Copyright (C) 2007-2010 Texas Instruments, Inc.
* Copyright (C) 2007-2010, 2012 Texas Instruments, Inc.
* Copyright (C) 2007-2011 Nokia Corporation
*
* Written by Paul Walmsley
@ -1640,6 +1640,7 @@ static struct clk hdq_fck = {
.name = "hdq_fck",
.ops = &clkops_omap2_dflt_wait,
.parent = &core_12m_fck,
.clkdm_name = "core_l4_clkdm",
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_HDQ_SHIFT,
.recalc = &followparent_recalc,
@ -3294,8 +3295,8 @@ static struct omap_clk omap3xxx_clks[] = {
CLK(NULL, "gfx_l3_ick", &gfx_l3_ick, CK_3430ES1),
CLK(NULL, "gfx_cg1_ck", &gfx_cg1_ck, CK_3430ES1),
CLK(NULL, "gfx_cg2_ck", &gfx_cg2_ck, CK_3430ES1),
CLK(NULL, "sgx_fck", &sgx_fck, CK_3430ES2PLUS | CK_3517 | CK_36XX),
CLK(NULL, "sgx_ick", &sgx_ick, CK_3430ES2PLUS | CK_3517 | CK_36XX),
CLK(NULL, "sgx_fck", &sgx_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
CLK(NULL, "sgx_ick", &sgx_ick, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
CLK(NULL, "d2d_26m_fck", &d2d_26m_fck, CK_3430ES1),
CLK(NULL, "modem_fck", &modem_fck, CK_34XX | CK_36XX),
CLK(NULL, "sad2d_ick", &sad2d_ick, CK_34XX | CK_36XX),
@ -3419,7 +3420,7 @@ static struct omap_clk omap3xxx_clks[] = {
CLK(NULL, "per_48m_fck", &per_48m_fck, CK_3XXX),
CLK(NULL, "uart3_fck", &uart3_fck, CK_3XXX),
CLK(NULL, "uart4_fck", &uart4_fck, CK_36XX),
CLK(NULL, "uart4_fck", &uart4_fck_am35xx, CK_3505 | CK_3517),
CLK(NULL, "uart4_fck", &uart4_fck_am35xx, CK_AM35XX),
CLK(NULL, "gpt2_fck", &gpt2_fck, CK_3XXX),
CLK(NULL, "gpt3_fck", &gpt3_fck, CK_3XXX),
CLK(NULL, "gpt4_fck", &gpt4_fck, CK_3XXX),
@ -3513,21 +3514,9 @@ int __init omap3xxx_clk_init(void)
struct omap_clk *c;
u32 cpu_clkflg = 0;
/*
* 3505 must be tested before 3517, since 3517 returns true
* for both AM3517 chips and AM3517 family chips, which
* includes 3505. Unfortunately there's no obvious family
* test for 3517/3505 :-(
*/
if (cpu_is_omap3505()) {
if (cpu_is_omap3517()) {
cpu_mask = RATE_IN_34XX;
cpu_clkflg = CK_3505;
} else if (cpu_is_omap3517()) {
cpu_mask = RATE_IN_34XX;
cpu_clkflg = CK_3517;
} else if (cpu_is_omap3505()) {
cpu_mask = RATE_IN_34XX;
cpu_clkflg = CK_3505;
cpu_clkflg = CK_AM35XX;
} else if (cpu_is_omap3630()) {
cpu_mask = (RATE_IN_34XX | RATE_IN_36XX);
cpu_clkflg = CK_36XX;

11
arch/arm/mach-omap2/clock44xx_data.c
View File

@ -3355,17 +3355,6 @@ static struct omap_clk omap44xx_clks[] = {
CLK(NULL, "auxclk5_ck", &auxclk5_ck, CK_443X),
CLK(NULL, "auxclkreq5_ck", &auxclkreq5_ck, CK_443X),
CLK(NULL, "gpmc_ck", &dummy_ck, CK_443X),
CLK(NULL, "gpt1_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt2_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt3_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt4_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt5_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt6_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt7_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt8_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt9_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt10_ick", &dummy_ck, CK_443X),
CLK(NULL, "gpt11_ick", &dummy_ck, CK_443X),
CLK("omap_i2c.1", "ick", &dummy_ck, CK_443X),
CLK("omap_i2c.2", "ick", &dummy_ck, CK_443X),
CLK("omap_i2c.3", "ick", &dummy_ck, CK_443X),

7
arch/arm/mach-omap2/clockdomain.c
View File

@ -840,7 +840,7 @@ void clkdm_allow_idle(struct clockdomain *clkdm)
spin_lock_irqsave(&clkdm->lock, flags);
clkdm->_flags |= _CLKDM_FLAG_HWSUP_ENABLED;
arch_clkdm->clkdm_allow_idle(clkdm);
pwrdm_clkdm_state_switch(clkdm);
pwrdm_state_switch(clkdm->pwrdm.ptr);
spin_unlock_irqrestore(&clkdm->lock, flags);
}
@ -924,8 +924,7 @@ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
spin_lock_irqsave(&clkdm->lock, flags);
arch_clkdm->clkdm_clk_enable(clkdm);
pwrdm_wait_transition(clkdm->pwrdm.ptr);
pwrdm_clkdm_state_switch(clkdm);
pwrdm_state_switch(clkdm->pwrdm.ptr);
spin_unlock_irqrestore(&clkdm->lock, flags);
pr_debug("clockdomain: clkdm %s: enabled\n", clkdm->name);
@ -950,7 +949,7 @@ static int _clkdm_clk_hwmod_disable(struct clockdomain *clkdm)
spin_lock_irqsave(&clkdm->lock, flags);
arch_clkdm->clkdm_clk_disable(clkdm);
pwrdm_clkdm_state_switch(clkdm);
pwrdm_state_switch(clkdm->pwrdm.ptr);
spin_unlock_irqrestore(&clkdm->lock, flags);
pr_debug("clockdomain: clkdm %s: disabled\n", clkdm->name);

6
arch/arm/mach-omap2/clockdomain44xx.c
View File

@ -51,6 +51,9 @@ static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm)
struct clkdm_dep *cd;
u32 mask = 0;
if (!clkdm->prcm_partition)
return 0;
for (cd = clkdm->wkdep_srcs; cd && cd->clkdm_name; cd++) {
if (!cd->clkdm)
continue; /* only happens if data is erroneous */
@ -103,6 +106,9 @@ static int omap4_clkdm_clk_disable(struct clockdomain *clkdm)
{
bool hwsup = false;
if (!clkdm->prcm_partition)
return 0;
hwsup = omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition,
clkdm->cm_inst, clkdm->clkdm_offs);

10
arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c
View File

@ -89,13 +89,3 @@ struct clockdomain wkup_common_clkdm = {
.pwrdm = { .name = "wkup_pwrdm" },
.dep_bit = OMAP_EN_WKUP_SHIFT,
};
struct clockdomain prm_common_clkdm = {
.name = "prm_clkdm",
.pwrdm = { .name = "wkup_pwrdm" },
};
struct clockdomain cm_common_clkdm = {
.name = "cm_clkdm",
.pwrdm = { .name = "core_pwrdm" },
};

6
arch/arm/mach-omap2/clockdomains3xxx_data.c
View File

@ -53,9 +53,9 @@
* 3430ES2 PM_WKDEP_SGX: adds IVA2, removes CORE
*/
static struct clkdm_dep gfx_sgx_3xxx_wkdeps[] = {
{ .clkdm_name = "iva2_clkdm", },
{ .clkdm_name = "mpu_clkdm", },
{ .clkdm_name = "wkup_clkdm", },
{ .clkdm_name = "iva2_clkdm" },
{ .clkdm_name = "mpu_clkdm" },
{ .clkdm_name = "wkup_clkdm" },
{ NULL },
};

2
arch/arm/mach-omap2/clockdomains44xx_data.c
View File

@ -430,6 +430,8 @@ static struct clockdomain *clockdomains_omap44xx[] __initdata = {
&l4_wkup_44xx_clkdm,
&emu_sys_44xx_clkdm,
&l3_dma_44xx_clkdm,
&prm_common_clkdm,
&cm_common_clkdm,
NULL
};

24
arch/arm/mach-omap2/clockdomains_common_data.c Normal file
View File

@ -0,0 +1,24 @@
/*
* OMAP2+-common clockdomain data
*
* Copyright (C) 2008-2012 Texas Instruments, Inc.
* Copyright (C) 2008-2010 Nokia Corporation
*
* Paul Walmsley, Jouni Högander
*/
#include <linux/kernel.h>
#include <linux/io.h>
#include "clockdomain.h"
/* These are implicit clockdomains - they are never defined as such in TRM */
struct clockdomain prm_common_clkdm = {
.name = "prm_clkdm",
.pwrdm = { .name = "wkup_pwrdm" },
};
struct clockdomain cm_common_clkdm = {
.name = "cm_clkdm",
.pwrdm = { .name = "core_pwrdm" },
};

4
arch/arm/mach-omap2/cm-regbits-34xx.h
View File

@ -79,7 +79,7 @@
/* CM_CLKSEL1_PLL_IVA2 */
#define OMAP3430_IVA2_CLK_SRC_SHIFT 19
#define OMAP3430_IVA2_CLK_SRC_MASK (0x3 << 19)
#define OMAP3430_IVA2_CLK_SRC_MASK (0x7 << 19)
#define OMAP3430_IVA2_DPLL_MULT_SHIFT 8
#define OMAP3430_IVA2_DPLL_MULT_MASK (0x7ff << 8)
#define OMAP3430_IVA2_DPLL_DIV_SHIFT 0
@ -124,7 +124,7 @@
/* CM_CLKSEL1_PLL_MPU */
#define OMAP3430_MPU_CLK_SRC_SHIFT 19
#define OMAP3430_MPU_CLK_SRC_MASK (0x3 << 19)
#define OMAP3430_MPU_CLK_SRC_MASK (0x7 << 19)
#define OMAP3430_MPU_DPLL_MULT_SHIFT 8
#define OMAP3430_MPU_DPLL_MULT_MASK (0x7ff << 8)
#define OMAP3430_MPU_DPLL_DIV_SHIFT 0

28
arch/arm/mach-omap2/cminst44xx.c
View File

@ -32,6 +32,7 @@
#include "prcm44xx.h"
#include "prm44xx.h"
#include "prcm_mpu44xx.h"
#include "prcm-common.h"
/*
* CLKCTRL_IDLEST_*: possible values for the CM_*_CLKCTRL.IDLEST bitfield:
@ -49,14 +50,21 @@
#define CLKCTRL_IDLEST_INTERFACE_IDLE 0x2
#define CLKCTRL_IDLEST_DISABLED 0x3
static u32 _cm_bases[OMAP4_MAX_PRCM_PARTITIONS] = {
[OMAP4430_INVALID_PRCM_PARTITION] = 0,
[OMAP4430_PRM_PARTITION] = OMAP4430_PRM_BASE,
[OMAP4430_CM1_PARTITION] = OMAP4430_CM1_BASE,
[OMAP4430_CM2_PARTITION] = OMAP4430_CM2_BASE,
[OMAP4430_SCRM_PARTITION] = 0,
[OMAP4430_PRCM_MPU_PARTITION] = OMAP4430_PRCM_MPU_BASE,
};
static void __iomem *_cm_bases[OMAP4_MAX_PRCM_PARTITIONS];
/**
* omap_cm_base_init - Populates the cm partitions
*
* Populates the base addresses of the _cm_bases
* array used for read/write of cm module registers.
*/
void omap_cm_base_init(void)
{
_cm_bases[OMAP4430_PRM_PARTITION] = prm_base;
_cm_bases[OMAP4430_CM1_PARTITION] = cm_base;
_cm_bases[OMAP4430_CM2_PARTITION] = cm2_base;
_cm_bases[OMAP4430_PRCM_MPU_PARTITION] = prcm_mpu_base;
}
/* Private functions */
@ -106,7 +114,7 @@ u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx)
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
!_cm_bases[part]);
return __raw_readl(OMAP2_L4_IO_ADDRESS(_cm_bases[part] + inst + idx));
return __raw_readl(_cm_bases[part] + inst + idx);
}
/* Write into a register in a CM instance */
@ -115,7 +123,7 @@ void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx)
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
!_cm_bases[part]);
__raw_writel(val, OMAP2_L4_IO_ADDRESS(_cm_bases[part] + inst + idx));
__raw_writel(val, _cm_bases[part] + inst + idx);
}
/* Read-modify-write a register in CM1. Caller must lock */

1
arch/arm/mach-omap2/common.c
View File

@ -166,6 +166,7 @@ static struct omap_globals omap4_globals = {
.prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE),
.cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
.cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE),
.prcm_mpu = OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE),
};
void __init omap2_set_globals_443x(void)

1
arch/arm/mach-omap2/common.h
View File

@ -112,6 +112,7 @@ struct omap_globals {
void __iomem *prm; /* Power and Reset Management */
void __iomem *cm; /* Clock Management */
void __iomem *cm2;
void __iomem *prcm_mpu;
};
void omap2_set_globals_242x(void);

23
arch/arm/mach-omap2/dpll3xxx.c
View File

@ -142,7 +142,8 @@ static int _omap3_noncore_dpll_lock(struct clk *clk)
ai = omap3_dpll_autoidle_read(clk);
omap3_dpll_deny_idle(clk);
if (ai)
omap3_dpll_deny_idle(clk);
_omap3_dpll_write_clken(clk, DPLL_LOCKED);
@ -186,8 +187,6 @@ static int _omap3_noncore_dpll_bypass(struct clk *clk)
if (ai)
omap3_dpll_allow_idle(clk);
else
omap3_dpll_deny_idle(clk);
return r;
}
@ -216,8 +215,6 @@ static int _omap3_noncore_dpll_stop(struct clk *clk)
if (ai)
omap3_dpll_allow_idle(clk);
else
omap3_dpll_deny_idle(clk);
return 0;
}
@ -519,6 +516,9 @@ u32 omap3_dpll_autoidle_read(struct clk *clk)
dd = clk->dpll_data;
if (!dd->autoidle_reg)
return -EINVAL;
v = __raw_readl(dd->autoidle_reg);
v &= dd->autoidle_mask;
v >>= __ffs(dd->autoidle_mask);
@ -545,6 +545,12 @@ void omap3_dpll_allow_idle(struct clk *clk)
dd = clk->dpll_data;
if (!dd->autoidle_reg) {
pr_debug("clock: DPLL %s: autoidle not supported\n",
clk->name);
return;
}
/*
* REVISIT: CORE DPLL can optionally enter low-power bypass
* by writing 0x5 instead of 0x1. Add some mechanism to
@ -554,6 +560,7 @@ void omap3_dpll_allow_idle(struct clk *clk)
v &= ~dd->autoidle_mask;
v |= DPLL_AUTOIDLE_LOW_POWER_STOP << __ffs(dd->autoidle_mask);
__raw_writel(v, dd->autoidle_reg);
}
/**
@ -572,6 +579,12 @@ void omap3_dpll_deny_idle(struct clk *clk)
dd = clk->dpll_data;
if (!dd->autoidle_reg) {
pr_debug("clock: DPLL %s: autoidle not supported\n",
clk->name);
return;
}
v = __raw_readl(dd->autoidle_reg);
v &= ~dd->autoidle_mask;
v |= DPLL_AUTOIDLE_DISABLE << __ffs(dd->autoidle_mask);

72
arch/arm/mach-omap2/hdq1w.c Normal file
View File

@ -0,0 +1,72 @@
/*
* IP block integration code for the HDQ1W/1-wire IP block
*
* Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* Based on the I2C reset code in arch/arm/mach-omap2/i2c.c by
* Avinash.H.M <avinashhm@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 published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <plat/omap_hwmod.h>
#include <plat/hdq1w.h>
#include "common.h"
/* Maximum microseconds to wait for OMAP module to softreset */
#define MAX_MODULE_SOFTRESET_WAIT 10000
/**
* omap_hdq1w_reset - reset the OMAP HDQ1W module
* @oh: struct omap_hwmod *
*
* OCP soft reset the HDQ1W IP block. Section 20.6.1.4 "HDQ1W/1-Wire
* Software Reset" of the OMAP34xx Technical Reference Manual Revision
* ZR (SWPU223R) does not include the rather important fact that, for
* the reset to succeed, the HDQ1W module's internal clock gate must be
* programmed to allow the clock to propagate to the rest of the
* module. In this sense, it's rather similar to the I2C custom reset
* function. Returns 0.
*/
int omap_hdq1w_reset(struct omap_hwmod *oh)
{
u32 v;
int c = 0;
/* Write to the SOFTRESET bit */
omap_hwmod_softreset(oh);
/* Enable the module's internal clocks */
v = omap_hwmod_read(oh, HDQ_CTRL_STATUS_OFFSET);
v |= 1 << HDQ_CTRL_STATUS_CLOCKENABLE_SHIFT;
omap_hwmod_write(v, oh, HDQ_CTRL_STATUS_OFFSET);
/* Poll on RESETDONE bit */
omap_test_timeout((omap_hwmod_read(oh,
oh->class->sysc->syss_offs)
& SYSS_RESETDONE_MASK),
MAX_MODULE_SOFTRESET_WAIT, c);
if (c == MAX_MODULE_SOFTRESET_WAIT)
pr_warning("%s: %s: softreset failed (waited %d usec)\n",
__func__, oh->name, MAX_MODULE_SOFTRESET_WAIT);
else
pr_debug("%s: %s: softreset in %d usec\n", __func__,
oh->name, c);
return 0;
}

18
arch/arm/mach-omap2/io.c
View File

@ -364,24 +364,6 @@ static void __init omap_hwmod_init_postsetup(void)
#endif
omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
/*
* Set the default postsetup state for unusual modules (like
* MPU WDT).
*
* The postsetup_state is not actually used until
* omap_hwmod_late_init(), so boards that desire full watchdog
* coverage of kernel initialization can reprogram the
* postsetup_state between the calls to
* omap2_init_common_infra() and omap_sdrc_init().
*
* XXX ideally we could detect whether the MPU WDT was currently
* enabled here and make this conditional
*/
postsetup_state = _HWMOD_STATE_DISABLED;
omap_hwmod_for_each_by_class("wd_timer",
_set_hwmod_postsetup_state,
&postsetup_state);
omap_pm_if_early_init();
}

88
arch/arm/mach-omap2/msdi.c Normal file
View File

@ -0,0 +1,88 @@
/*
* MSDI IP block reset
*
* Copyright (C) 2012 Texas Instruments, Inc.
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* XXX What about pad muxing?
*/
#include <linux/kernel.h>
#include <plat/omap_hwmod.h>
#include <plat/mmc.h>
#include "common.h"
/*
* MSDI_CON_OFFSET: offset in bytes of the MSDI IP block's CON register
* from the IP block's base address
*/
#define MSDI_CON_OFFSET 0x0c
/* Register bitfields in the CON register */
#define MSDI_CON_POW_MASK BIT(11)
#define MSDI_CON_CLKD_MASK (0x3f << 0)
#define MSDI_CON_CLKD_SHIFT 0
/* Maximum microseconds to wait for OMAP module to softreset */
#define MAX_MODULE_SOFTRESET_WAIT 10000
/* MSDI_TARGET_RESET_CLKD: clock divisor to use throughout the reset */
#define MSDI_TARGET_RESET_CLKD 0x3ff
/**
* omap_msdi_reset - reset the MSDI IP block
* @oh: struct omap_hwmod *
*
* The MSDI IP block on OMAP2420 has to have both the POW and CLKD
* fields set inside its CON register for a reset to complete
* successfully. This is not documented in the TRM. For CLKD, we use
* the value that results in the lowest possible clock rate, to attempt
* to avoid disturbing any cards.
*/
int omap_msdi_reset(struct omap_hwmod *oh)
{
u16 v = 0;
int c = 0;
/* Write to the SOFTRESET bit */
omap_hwmod_softreset(oh);
/* Enable the MSDI core and internal clock */
v |= MSDI_CON_POW_MASK;
v |= MSDI_TARGET_RESET_CLKD << MSDI_CON_CLKD_SHIFT;
omap_hwmod_write(v, oh, MSDI_CON_OFFSET);
/* Poll on RESETDONE bit */
omap_test_timeout((omap_hwmod_read(oh, oh->class->sysc->syss_offs)
& SYSS_RESETDONE_MASK),
MAX_MODULE_SOFTRESET_WAIT, c);
if (c == MAX_MODULE_SOFTRESET_WAIT)
pr_warning("%s: %s: softreset failed (waited %d usec)\n",
__func__, oh->name, MAX_MODULE_SOFTRESET_WAIT);
else
pr_debug("%s: %s: softreset in %d usec\n", __func__,
oh->name, c);
/* Disable the MSDI internal clock */
v &= ~MSDI_CON_CLKD_MASK;
omap_hwmod_write(v, oh, MSDI_CON_OFFSET);
return 0;
}

112
arch/arm/mach-omap2/omap_hwmod_2420_data.c
View File

@ -23,6 +23,7 @@
#include <plat/dmtimer.h>
#include <plat/l3_2xxx.h>
#include <plat/l4_2xxx.h>
#include <plat/mmc.h>
#include "omap_hwmod_common_data.h"
@ -239,6 +240,67 @@ static struct omap_hwmod omap2420_mcbsp2_hwmod = {
},
};
static struct omap_hwmod_class_sysconfig omap2420_msdi_sysc = {
.rev_offs = 0x3c,
.sysc_offs = 0x64,
.syss_offs = 0x68,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class omap2420_msdi_hwmod_class = {
.name = "msdi",
.sysc = &omap2420_msdi_sysc,
.reset = &omap_msdi_reset,
};
/* msdi1 */
static struct omap_hwmod_irq_info omap2420_msdi1_irqs[] = {
{ .irq = 83 },
{ .irq = -1 }
};
static struct omap_hwmod_dma_info omap2420_msdi1_sdma_reqs[] = {
{ .name = "tx", .dma_req = 61 }, /* OMAP24XX_DMA_MMC1_TX */
{ .name = "rx", .dma_req = 62 }, /* OMAP24XX_DMA_MMC1_RX */
{ .dma_req = -1 }
};
static struct omap_hwmod omap2420_msdi1_hwmod = {
.name = "msdi1",
.class = &omap2420_msdi_hwmod_class,
.mpu_irqs = omap2420_msdi1_irqs,
.sdma_reqs = omap2420_msdi1_sdma_reqs,
.main_clk = "mmc_fck",
.prcm = {
.omap2 = {
.prcm_reg_id = 1,
.module_bit = OMAP2420_EN_MMC_SHIFT,
.module_offs = CORE_MOD,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP2420_ST_MMC_SHIFT,
},
},
.flags = HWMOD_16BIT_REG,
};
/* HDQ1W/1-wire */
static struct omap_hwmod omap2420_hdq1w_hwmod = {
.name = "hdq1w",
.mpu_irqs = omap2_hdq1w_mpu_irqs,
.main_clk = "hdq_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_EN_HDQ_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_ST_HDQ_SHIFT,
},
},
.class = &omap2_hdq1w_class,
};
/*
* interfaces
*/
@ -428,6 +490,53 @@ static struct omap_hwmod_ocp_if omap2420_l4_core__mcbsp2 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_addr_space omap2420_msdi1_addrs[] = {
{
.pa_start = 0x4809c000,
.pa_end = 0x4809c000 + SZ_128 - 1,
.flags = ADDR_TYPE_RT,
},
{ }
};
/* l4_core -> msdi1 */
static struct omap_hwmod_ocp_if omap2420_l4_core__msdi1 = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2420_msdi1_hwmod,
.clk = "mmc_ick",
.addr = omap2420_msdi1_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> hdq1w interface */
static struct omap_hwmod_ocp_if omap2420_l4_core__hdq1w = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2420_hdq1w_hwmod,
.clk = "hdq_ick",
.addr = omap2_hdq1w_addr_space,
.user = OCP_USER_MPU | OCP_USER_SDMA,
.flags = OMAP_FIREWALL_L4 | OCPIF_SWSUP_IDLE,
};
/* l4_wkup -> 32ksync_counter */
static struct omap_hwmod_addr_space omap2420_counter_32k_addrs[] = {
{
.pa_start = 0x48004000,
.pa_end = 0x4800401f,
.flags = ADDR_TYPE_RT
},
{ }
};
static struct omap_hwmod_ocp_if omap2420_l4_wkup__counter_32k = {
.master = &omap2xxx_l4_wkup_hwmod,
.slave = &omap2xxx_counter_32k_hwmod,
.clk = "sync_32k_ick",
.addr = omap2420_counter_32k_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
&omap2xxx_l3_main__l4_core,
&omap2xxx_mpu__l3_main,
@ -468,6 +577,9 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
&omap2420_l4_core__mailbox,
&omap2420_l4_core__mcbsp1,
&omap2420_l4_core__mcbsp2,
&omap2420_l4_core__msdi1,
&omap2420_l4_core__hdq1w,
&omap2420_l4_wkup__counter_32k,
NULL,
};

47
arch/arm/mach-omap2/omap_hwmod_2430_data.c
View File

@ -528,6 +528,23 @@ static struct omap_hwmod omap2430_mmc2_hwmod = {
.class = &omap2430_mmc_class,
};
/* HDQ1W/1-wire */
static struct omap_hwmod omap2430_hdq1w_hwmod = {
.name = "hdq1w",
.mpu_irqs = omap2_hdq1w_mpu_irqs,
.main_clk = "hdq_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_EN_HDQ_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_ST_HDQ_SHIFT,
},
},
.class = &omap2_hdq1w_class,
};
/*
* interfaces
*/
@ -838,6 +855,34 @@ static struct omap_hwmod_ocp_if omap2430_l4_core__mcbsp5 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> hdq1w */
static struct omap_hwmod_ocp_if omap2430_l4_core__hdq1w = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2430_hdq1w_hwmod,
.clk = "hdq_ick",
.addr = omap2_hdq1w_addr_space,
.user = OCP_USER_MPU | OCP_USER_SDMA,
.flags = OMAP_FIREWALL_L4 | OCPIF_SWSUP_IDLE,
};
/* l4_wkup -> 32ksync_counter */
static struct omap_hwmod_addr_space omap2430_counter_32k_addrs[] = {
{
.pa_start = 0x49020000,
.pa_end = 0x4902001f,
.flags = ADDR_TYPE_RT
},
{ }
};
static struct omap_hwmod_ocp_if omap2430_l4_wkup__counter_32k = {
.master = &omap2xxx_l4_wkup_hwmod,
.slave = &omap2xxx_counter_32k_hwmod,
.clk = "sync_32k_ick",
.addr = omap2430_counter_32k_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
&omap2xxx_l3_main__l4_core,
&omap2xxx_mpu__l3_main,
@ -886,6 +931,8 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
&omap2430_l4_core__mcbsp3,
&omap2430_l4_core__mcbsp4,
&omap2430_l4_core__mcbsp5,
&omap2430_l4_core__hdq1w,
&omap2430_l4_wkup__counter_32k,
NULL,
};

9
arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_interconnect_data.c
View File

@ -171,3 +171,12 @@ struct omap_hwmod_addr_space omap2_mcbsp1_addrs[] = {
},
{ }
};
struct omap_hwmod_addr_space omap2_hdq1w_addr_space[] = {
{
.pa_start = 0x480b2000,
.pa_end = 0x480b2fff,
.flags = ADDR_TYPE_RT,
},
{ }
};

22
arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
View File

@ -2,6 +2,7 @@
* omap_hwmod_2xxx_3xxx_ipblock_data.c - common IP block data for OMAP2/3
*
* Copyright (C) 2011 Nokia Corporation
* Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
@ -12,6 +13,7 @@
#include <plat/serial.h>
#include <plat/dma.h>
#include <plat/common.h>
#include <plat/hdq1w.h>
#include <mach/irqs.h>
@ -302,3 +304,23 @@ struct omap_hwmod_irq_info omap2_mcspi2_mpu_irqs[] = {
{ .irq = -1 }
};
struct omap_hwmod_class_sysconfig omap2_hdq1w_sysc = {
.rev_offs = 0x0,
.sysc_offs = 0x14,
.syss_offs = 0x18,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
struct omap_hwmod_class omap2_hdq1w_class = {
.name = "hdq1w",
.sysc = &omap2_hdq1w_sysc,
.reset = &omap_hdq1w_reset,
};
struct omap_hwmod_irq_info omap2_hdq1w_mpu_irqs[] = {
{ .irq = 58, },
{ .irq = -1 }
};

23
arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
View File

@ -89,7 +89,8 @@ static struct omap_hwmod_class_sysconfig omap2xxx_wd_timer_sysc = {
struct omap_hwmod_class omap2xxx_wd_timer_hwmod_class = {
.name = "wd_timer",
.sysc = &omap2xxx_wd_timer_sysc,
.pre_shutdown = &omap2_wd_timer_disable
.pre_shutdown = &omap2_wd_timer_disable,
.reset = &omap2_wd_timer_reset,
};
/*
@ -732,3 +733,23 @@ struct omap_hwmod omap2xxx_mcspi2_hwmod = {
.class = &omap2xxx_mcspi_class,
.dev_attr = &omap_mcspi2_dev_attr,
};
static struct omap_hwmod_class omap2xxx_counter_hwmod_class = {
.name = "counter",
};
struct omap_hwmod omap2xxx_counter_32k_hwmod = {
.name = "counter_32k",
.main_clk = "func_32k_ck",
.prcm = {
.omap2 = {
.module_offs = WKUP_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_ST_32KSYNC_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_ST_32KSYNC_SHIFT,
},
},
.class = &omap2xxx_counter_hwmod_class,
};

94
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
View File

@ -418,7 +418,8 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
static struct omap_hwmod_class omap3xxx_wd_timer_hwmod_class = {
.name = "wd_timer",
.sysc = &omap3xxx_wd_timer_sysc,
.pre_shutdown = &omap2_wd_timer_disable
.pre_shutdown = &omap2_wd_timer_disable,
.reset = &omap2_wd_timer_reset,
};
static struct omap_hwmod omap3xxx_wd_timer2_hwmod = {
@ -1075,7 +1076,7 @@ static struct omap_hwmod_class omap3xxx_mcbsp_hwmod_class = {
/* mcbsp1 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp1_irqs[] = {
{ .name = "irq", .irq = 16 },
{ .name = "common", .irq = 16 },
{ .name = "tx", .irq = 59 },
{ .name = "rx", .irq = 60 },
{ .irq = -1 }
@ -1100,7 +1101,7 @@ static struct omap_hwmod omap3xxx_mcbsp1_hwmod = {
/* mcbsp2 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp2_irqs[] = {
{ .name = "irq", .irq = 17 },
{ .name = "common", .irq = 17 },
{ .name = "tx", .irq = 62 },
{ .name = "rx", .irq = 63 },
{ .irq = -1 }
@ -1130,7 +1131,7 @@ static struct omap_hwmod omap3xxx_mcbsp2_hwmod = {
/* mcbsp3 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp3_irqs[] = {
{ .name = "irq", .irq = 22 },
{ .name = "common", .irq = 22 },
{ .name = "tx", .irq = 89 },
{ .name = "rx", .irq = 90 },
{ .irq = -1 }
@ -1160,7 +1161,7 @@ static struct omap_hwmod omap3xxx_mcbsp3_hwmod = {
/* mcbsp4 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp4_irqs[] = {
{ .name = "irq", .irq = 23 },
{ .name = "common", .irq = 23 },
{ .name = "tx", .irq = 54 },
{ .name = "rx", .irq = 55 },
{ .irq = -1 }
@ -1191,7 +1192,7 @@ static struct omap_hwmod omap3xxx_mcbsp4_hwmod = {
/* mcbsp5 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp5_irqs[] = {
{ .name = "irq", .irq = 27 },
{ .name = "common", .irq = 27 },
{ .name = "tx", .irq = 81 },
{ .name = "rx", .irq = 82 },
{ .irq = -1 }
@ -1980,6 +1981,56 @@ static struct omap_hwmod omap3xxx_usb_tll_hs_hwmod = {
},
};
static struct omap_hwmod omap3xxx_hdq1w_hwmod = {
.name = "hdq1w",
.mpu_irqs = omap2_hdq1w_mpu_irqs,
.main_clk = "hdq_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP3430_EN_HDQ_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP3430_ST_HDQ_SHIFT,
},
},
.class = &omap2_hdq1w_class,
};
/*
* '32K sync counter' class
* 32-bit ordinary counter, clocked by the falling edge of the 32 khz clock
*/
static struct omap_hwmod_class_sysconfig omap3xxx_counter_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x0004,
.sysc_flags = SYSC_HAS_SIDLEMODE,
.idlemodes = (SIDLE_FORCE | SIDLE_NO),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class omap3xxx_counter_hwmod_class = {
.name = "counter",
.sysc = &omap3xxx_counter_sysc,
};
static struct omap_hwmod omap3xxx_counter_32k_hwmod = {
.name = "counter_32k",
.class = &omap3xxx_counter_hwmod_class,
.clkdm_name = "wkup_clkdm",
.flags = HWMOD_SWSUP_SIDLE,
.main_clk = "wkup_32k_fck",
.prcm = {
.omap2 = {
.module_offs = WKUP_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP3430_ST_32KSYNC_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP3430_ST_32KSYNC_SHIFT,
},
},
};
/*
* interfaces
*/
@ -3059,6 +3110,34 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_core__usb_tll_hs = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> hdq1w interface */
static struct omap_hwmod_ocp_if omap3xxx_l4_core__hdq1w = {
.master = &omap3xxx_l4_core_hwmod,
.slave = &omap3xxx_hdq1w_hwmod,
.clk = "hdq_ick",
.addr = omap2_hdq1w_addr_space,
.user = OCP_USER_MPU | OCP_USER_SDMA,
.flags = OMAP_FIREWALL_L4 | OCPIF_SWSUP_IDLE,
};
/* l4_wkup -> 32ksync_counter */
static struct omap_hwmod_addr_space omap3xxx_counter_32k_addrs[] = {
{
.pa_start = 0x48320000,
.pa_end = 0x4832001f,
.flags = ADDR_TYPE_RT
},
{ }
};
static struct omap_hwmod_ocp_if omap3xxx_l4_wkup__counter_32k = {
.master = &omap3xxx_l4_wkup_hwmod,
.slave = &omap3xxx_counter_32k_hwmod,
.clk = "omap_32ksync_ick",
.addr = omap3xxx_counter_32k_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
&omap3xxx_l3_main__l4_core,
&omap3xxx_l3_main__l4_per,
@ -3103,6 +3182,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
&omap34xx_l4_core__mcspi2,
&omap34xx_l4_core__mcspi3,
&omap34xx_l4_core__mcspi4,
&omap3xxx_l4_wkup__counter_32k,
NULL,
};
@ -3151,6 +3231,7 @@ static struct omap_hwmod_ocp_if *omap34xx_hwmod_ocp_ifs[] __initdata = {
&omap34xx_l4_core__sr1,
&omap34xx_l4_core__sr2,
&omap3xxx_l4_core__mailbox,
&omap3xxx_l4_core__hdq1w,
NULL
};
@ -3170,6 +3251,7 @@ static struct omap_hwmod_ocp_if *omap36xx_hwmod_ocp_ifs[] __initdata = {
&omap3xxx_l4_core__usb_tll_hs,
&omap3xxx_l4_core__es3plus_mmc1,
&omap3xxx_l4_core__es3plus_mmc2,
&omap3xxx_l4_core__hdq1w,
NULL
};

1428
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
View File

File diff suppressed because it is too large Load Diff

5
arch/arm/mach-omap2/omap_hwmod_common_data.h
View File

@ -38,6 +38,7 @@ extern struct omap_hwmod_addr_space omap2430_mcspi3_addr_space[];
extern struct omap_hwmod_addr_space omap2_dma_system_addrs[];
extern struct omap_hwmod_addr_space omap2_mailbox_addrs[];
extern struct omap_hwmod_addr_space omap2_mcbsp1_addrs[];
extern struct omap_hwmod_addr_space omap2_hdq1w_addr_space[];
/* Common IP block data across OMAP2xxx */
extern struct omap_hwmod_irq_info omap2xxx_timer12_mpu_irqs[];
@ -74,6 +75,7 @@ extern struct omap_hwmod omap2xxx_gpio3_hwmod;
extern struct omap_hwmod omap2xxx_gpio4_hwmod;
extern struct omap_hwmod omap2xxx_mcspi1_hwmod;
extern struct omap_hwmod omap2xxx_mcspi2_hwmod;
extern struct omap_hwmod omap2xxx_counter_32k_hwmod;
/* Common interface data across OMAP2xxx */
extern struct omap_hwmod_ocp_if omap2xxx_l3_main__l4_core;
@ -141,6 +143,7 @@ extern struct omap_hwmod_irq_info omap2_dma_system_irqs[];
extern struct omap_hwmod_irq_info omap2_mcspi1_mpu_irqs[];
extern struct omap_hwmod_irq_info omap2_mcspi2_mpu_irqs[];
extern struct omap_hwmod_addr_space omap2xxx_timer12_addrs[];
extern struct omap_hwmod_irq_info omap2_hdq1w_mpu_irqs[];
/* OMAP hwmod classes - forward declarations */
extern struct omap_hwmod_class l3_hwmod_class;
@ -152,6 +155,8 @@ extern struct omap_hwmod_class omap2_dss_hwmod_class;
extern struct omap_hwmod_class omap2_dispc_hwmod_class;
extern struct omap_hwmod_class omap2_rfbi_hwmod_class;
extern struct omap_hwmod_class omap2_venc_hwmod_class;
extern struct omap_hwmod_class_sysconfig omap2_hdq1w_sysc;
extern struct omap_hwmod_class omap2_hdq1w_class;
extern struct omap_hwmod_class omap2xxx_timer_hwmod_class;
extern struct omap_hwmod_class omap2xxx_wd_timer_hwmod_class;

10
arch/arm/mach-omap2/powerdomain.c
View File

@ -981,16 +981,6 @@ int pwrdm_state_switch(struct powerdomain *pwrdm)
return ret;
}
int pwrdm_clkdm_state_switch(struct clockdomain *clkdm)
{
if (clkdm != NULL && clkdm->pwrdm.ptr != NULL) {
pwrdm_wait_transition(clkdm->pwrdm.ptr);
return pwrdm_state_switch(clkdm->pwrdm.ptr);
}
return -EINVAL;
}
int pwrdm_pre_transition(void)
{
pwrdm_for_each(_pwrdm_pre_transition_cb, NULL);

1
arch/arm/mach-omap2/powerdomain.h
View File

@ -213,7 +213,6 @@ bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm);
int pwrdm_wait_transition(struct powerdomain *pwrdm);
int pwrdm_state_switch(struct powerdomain *pwrdm);
int pwrdm_clkdm_state_switch(struct clockdomain *clkdm);
int pwrdm_pre_transition(void);
int pwrdm_post_transition(void);
int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm);

17
arch/arm/mach-omap2/prcm-common.h
View File

@ -177,6 +177,8 @@
/* PM_WKST_WKUP, CM_IDLEST_WKUP shared bits */
#define OMAP24XX_ST_GPIOS_SHIFT 2
#define OMAP24XX_ST_GPIOS_MASK (1 << 2)
#define OMAP24XX_ST_32KSYNC_SHIFT 1
#define OMAP24XX_ST_32KSYNC_MASK (1 << 1)
#define OMAP24XX_ST_GPT1_SHIFT 0
#define OMAP24XX_ST_GPT1_MASK (1 << 0)
@ -307,6 +309,8 @@
#define OMAP3430_ST_SR1_MASK (1 << 6)
#define OMAP3430_ST_GPIO1_SHIFT 3
#define OMAP3430_ST_GPIO1_MASK (1 << 3)
#define OMAP3430_ST_32KSYNC_SHIFT 2
#define OMAP3430_ST_32KSYNC_MASK (1 << 2)
#define OMAP3430_ST_GPT12_SHIFT 1
#define OMAP3430_ST_GPT12_MASK (1 << 1)
#define OMAP3430_ST_GPT1_SHIFT 0
@ -410,6 +414,19 @@
extern void __iomem *prm_base;
extern void __iomem *cm_base;
extern void __iomem *cm2_base;
extern void __iomem *prcm_mpu_base;
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_OMAP5)
extern void omap_prm_base_init(void);
extern void omap_cm_base_init(void);
#else
static inline void omap_prm_base_init(void)
{
}
static inline void omap_cm_base_init(void)
{
}
#endif
/**
* struct omap_prcm_irq - describes a PRCM interrupt bit

8
arch/arm/mach-omap2/prcm.c
View File

@ -42,6 +42,7 @@
void __iomem *prm_base;
void __iomem *cm_base;
void __iomem *cm2_base;
void __iomem *prcm_mpu_base;
#define MAX_MODULE_ENABLE_WAIT 100000
@ -155,4 +156,11 @@ void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals)
cm_base = omap2_globals->cm;
if (omap2_globals->cm2)
cm2_base = omap2_globals->cm2;
if (omap2_globals->prcm_mpu)
prcm_mpu_base = omap2_globals->prcm_mpu;
if (cpu_is_omap44xx()) {
omap_prm_base_init();
omap_cm_base_init();
}
}

27
arch/arm/mach-omap2/prminst44xx.c
View File

@ -18,20 +18,26 @@
#include "iomap.h"
#include "common.h"
#include "prcm-common.h"
#include "prm44xx.h"
#include "prminst44xx.h"
#include "prm-regbits-44xx.h"
#include "prcm44xx.h"
#include "prcm_mpu44xx.h"
static u32 _prm_bases[OMAP4_MAX_PRCM_PARTITIONS] = {
[OMAP4430_INVALID_PRCM_PARTITION] = 0,
[OMAP4430_PRM_PARTITION] = OMAP4430_PRM_BASE,
[OMAP4430_CM1_PARTITION] = 0,
[OMAP4430_CM2_PARTITION] = 0,
[OMAP4430_SCRM_PARTITION] = 0,
[OMAP4430_PRCM_MPU_PARTITION] = OMAP4430_PRCM_MPU_BASE,
};
static void __iomem *_prm_bases[OMAP4_MAX_PRCM_PARTITIONS];
/**
* omap_prm_base_init - Populates the prm partitions
*
* Populates the base addresses of the _prm_bases
* array used for read/write of prm module registers.
*/
void omap_prm_base_init(void)
{
_prm_bases[OMAP4430_PRM_PARTITION] = prm_base;
_prm_bases[OMAP4430_PRCM_MPU_PARTITION] = prcm_mpu_base;
}
/* Read a register in a PRM instance */
u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx)
@ -39,8 +45,7 @@ u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx)
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
!_prm_bases[part]);
return __raw_readl(OMAP2_L4_IO_ADDRESS(_prm_bases[part] + inst +
idx));
return __raw_readl(_prm_bases[part] + inst + idx);
}
/* Write into a register in a PRM instance */
@ -49,7 +54,7 @@ void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx)
BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS ||
part == OMAP4430_INVALID_PRCM_PARTITION ||
!_prm_bases[part]);
__raw_writel(val, OMAP2_L4_IO_ADDRESS(_prm_bases[part] + inst + idx));
__raw_writel(val, _prm_bases[part] + inst + idx);
}
/* Read-modify-write a register in PRM. Caller must lock */

7
arch/arm/mach-omap2/timer.c
View File

@ -178,13 +178,6 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
if (IS_ERR(timer->fclk))
return -ENODEV;
sprintf(name, "gpt%d_ick", gptimer_id);
timer->iclk = clk_get(NULL, name);
if (IS_ERR(timer->iclk)) {
clk_put(timer->fclk);
return -ENODEV;
}
omap_hwmod_enable(oh);
sys_timer_reserved |= (1 << (gptimer_id - 1));

147
arch/arm/mach-omap2/twl-common.c
View File

@ -31,6 +31,7 @@
#include "twl-common.h"
#include "pm.h"
#include "voltage.h"
static struct i2c_board_info __initdata pmic_i2c_board_info = {
.addr = 0x48,
@ -47,6 +48,18 @@ static struct i2c_board_info __initdata omap4_i2c1_board_info[] = {
},
};
static int twl_set_voltage(void *data, int target_uV)
{
struct voltagedomain *voltdm = (struct voltagedomain *)data;
return voltdm_scale(voltdm, target_uV);
}
static int twl_get_voltage(void *data)
{
struct voltagedomain *voltdm = (struct voltagedomain *)data;
return voltdm_get_voltage(voltdm);
}
void __init omap_pmic_init(int bus, u32 clkrate,
const char *pmic_type, int pmic_irq,
struct twl4030_platform_data *pmic_data)
@ -153,6 +166,48 @@ static struct regulator_init_data omap3_vpll2_idata = {
.consumer_supplies = omap3_vpll2_supplies,
};
static struct regulator_consumer_supply omap3_vdd1_supply[] = {
REGULATOR_SUPPLY("vcc", "mpu.0"),
};
static struct regulator_consumer_supply omap3_vdd2_supply[] = {
REGULATOR_SUPPLY("vcc", "l3_main.0"),
};
static struct regulator_init_data omap3_vdd1 = {
.constraints = {
.name = "vdd_mpu_iva",
.min_uV = 600000,
.max_uV = 1450000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(omap3_vdd1_supply),
.consumer_supplies = omap3_vdd1_supply,
};
static struct regulator_init_data omap3_vdd2 = {
.constraints = {
.name = "vdd_core",
.min_uV = 600000,
.max_uV = 1450000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(omap3_vdd2_supply),
.consumer_supplies = omap3_vdd2_supply,
};
static struct twl_regulator_driver_data omap3_vdd1_drvdata = {
.get_voltage = twl_get_voltage,
.set_voltage = twl_set_voltage,
};
static struct twl_regulator_driver_data omap3_vdd2_drvdata = {
.get_voltage = twl_get_voltage,
.set_voltage = twl_set_voltage,
};
void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,
u32 pdata_flags, u32 regulators_flags)
{
@ -160,6 +215,16 @@ void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,
pmic_data->irq_base = TWL4030_IRQ_BASE;
if (!pmic_data->irq_end)
pmic_data->irq_end = TWL4030_IRQ_END;
if (!pmic_data->vdd1) {
omap3_vdd1.driver_data = &omap3_vdd1_drvdata;
omap3_vdd1_drvdata.data = voltdm_lookup("mpu_iva");
pmic_data->vdd1 = &omap3_vdd1;
}
if (!pmic_data->vdd2) {
omap3_vdd2.driver_data = &omap3_vdd2_drvdata;
omap3_vdd2_drvdata.data = voltdm_lookup("core");
pmic_data->vdd2 = &omap3_vdd2;
}
/* Common platform data configurations */
if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)
@ -310,6 +375,70 @@ static struct regulator_init_data omap4_clk32kg_idata = {
},
};
static struct regulator_consumer_supply omap4_vdd1_supply[] = {
REGULATOR_SUPPLY("vcc", "mpu.0"),
};
static struct regulator_consumer_supply omap4_vdd2_supply[] = {
REGULATOR_SUPPLY("vcc", "iva.0"),
};
static struct regulator_consumer_supply omap4_vdd3_supply[] = {
REGULATOR_SUPPLY("vcc", "l3_main.0"),
};
static struct regulator_init_data omap4_vdd1 = {
.constraints = {
.name = "vdd_mpu",
.min_uV = 500000,
.max_uV = 1500000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(omap4_vdd1_supply),
.consumer_supplies = omap4_vdd1_supply,
};
static struct regulator_init_data omap4_vdd2 = {
.constraints = {
.name = "vdd_iva",
.min_uV = 500000,
.max_uV = 1500000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(omap4_vdd2_supply),
.consumer_supplies = omap4_vdd2_supply,
};
static struct regulator_init_data omap4_vdd3 = {
.constraints = {
.name = "vdd_core",
.min_uV = 500000,
.max_uV = 1500000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(omap4_vdd3_supply),
.consumer_supplies = omap4_vdd3_supply,
};
static struct twl_regulator_driver_data omap4_vdd1_drvdata = {
.get_voltage = twl_get_voltage,
.set_voltage = twl_set_voltage,
};
static struct twl_regulator_driver_data omap4_vdd2_drvdata = {
.get_voltage = twl_get_voltage,
.set_voltage = twl_set_voltage,
};
static struct twl_regulator_driver_data omap4_vdd3_drvdata = {
.get_voltage = twl_get_voltage,
.set_voltage = twl_set_voltage,
};
void __init omap4_pmic_get_config(struct twl4030_platform_data *pmic_data,
u32 pdata_flags, u32 regulators_flags)
{
@ -318,6 +447,24 @@ void __init omap4_pmic_get_config(struct twl4030_platform_data *pmic_data,
if (!pmic_data->irq_end)
pmic_data->irq_end = TWL6030_IRQ_END;
if (!pmic_data->vdd1) {
omap4_vdd1.driver_data = &omap4_vdd1_drvdata;
omap4_vdd1_drvdata.data = voltdm_lookup("mpu");
pmic_data->vdd1 = &omap4_vdd1;
}
if (!pmic_data->vdd2) {
omap4_vdd2.driver_data = &omap4_vdd2_drvdata;
omap4_vdd2_drvdata.data = voltdm_lookup("iva");
pmic_data->vdd2 = &omap4_vdd2;
}
if (!pmic_data->vdd3) {
omap4_vdd3.driver_data = &omap4_vdd3_drvdata;
omap4_vdd3_drvdata.data = voltdm_lookup("core");
pmic_data->vdd3 = &omap4_vdd3;
}
/* Common platform data configurations */
if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)
pmic_data->usb = &omap4_usb_pdata;

1
arch/arm/mach-omap2/vc3xxx_data.c
View File

@ -46,6 +46,7 @@ static struct omap_vc_common omap3_vc_common = {
};
struct omap_vc_channel omap3_vc_mpu = {
.flags = OMAP_VC_CHANNEL_DEFAULT,
.common = &omap3_vc_common,
.smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET,
.smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,

21
arch/arm/mach-omap2/voltage.c
View File

@ -73,7 +73,8 @@ unsigned long voltdm_get_voltage(struct voltagedomain *voltdm)
int voltdm_scale(struct voltagedomain *voltdm,
unsigned long target_volt)
{
int ret;
int ret, i;
unsigned long volt = 0;
if (!voltdm || IS_ERR(voltdm)) {
pr_warning("%s: VDD specified does not exist!\n", __func__);
@ -86,9 +87,23 @@ int voltdm_scale(struct voltagedomain *voltdm,
return -ENODATA;
}
ret = voltdm->scale(voltdm, target_volt);
/* Adjust voltage to the exact voltage from the OPP table */
for (i = 0; voltdm->volt_data[i].volt_nominal != 0; i++) {
if (voltdm->volt_data[i].volt_nominal >= target_volt) {
volt = voltdm->volt_data[i].volt_nominal;
break;
}
}
if (!volt) {
pr_warning("%s: not scaling. OPP voltage for %lu, not found.\n",
__func__, target_volt);
return -EINVAL;
}
ret = voltdm->scale(voltdm, volt);
if (!ret)
voltdm->nominal_volt = target_volt;
voltdm->nominal_volt = volt;
return ret;
}

45
arch/arm/mach-omap2/wd_timer.c
View File

@ -14,6 +14,7 @@
#include <plat/omap_hwmod.h>
#include "wd_timer.h"
#include "common.h"
/*
* In order to avoid any assumptions from bootloader regarding WDT
@ -25,6 +26,8 @@
#define OMAP_WDT_WPS 0x34
#define OMAP_WDT_SPR 0x48
/* Maximum microseconds to wait for OMAP module to softreset */
#define MAX_MODULE_SOFTRESET_WAIT 10000
int omap2_wd_timer_disable(struct omap_hwmod *oh)
{
@ -54,3 +57,45 @@ int omap2_wd_timer_disable(struct omap_hwmod *oh)
return 0;
}
/**
* omap2_wdtimer_reset - reset and disable the WDTIMER IP block
* @oh: struct omap_hwmod *
*
* After the WDTIMER IP blocks are reset on OMAP2/3, we must also take
* care to execute the special watchdog disable sequence. This is
* because the watchdog is re-armed upon OCP softreset. (On OMAP4,
* this behavior was apparently changed and the watchdog is no longer
* re-armed after an OCP soft-reset.) Returns -ETIMEDOUT if the reset
* did not complete, or 0 upon success.
*
* XXX Most of this code should be moved to the omap_hwmod.c layer
* during a normal merge window. omap_hwmod_softreset() should be
* renamed to omap_hwmod_set_ocp_softreset(), and omap_hwmod_softreset()
* should call the hwmod _ocp_softreset() code.
*/
int omap2_wd_timer_reset(struct omap_hwmod *oh)
{
int c = 0;
/* Write to the SOFTRESET bit */
omap_hwmod_softreset(oh);
/* Poll on RESETDONE bit */
omap_test_timeout((omap_hwmod_read(oh,
oh->class->sysc->syss_offs)
& SYSS_RESETDONE_MASK),
MAX_MODULE_SOFTRESET_WAIT, c);
if (oh->class->sysc->srst_udelay)
udelay(oh->class->sysc->srst_udelay);
if (c == MAX_MODULE_SOFTRESET_WAIT)
pr_warning("%s: %s: softreset failed (waited %d usec)\n",
__func__, oh->name, MAX_MODULE_SOFTRESET_WAIT);
else
pr_debug("%s: %s: softreset in %d usec\n", __func__,
oh->name, c);
return (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT :
omap2_wd_timer_disable(oh);
}

1
arch/arm/mach-omap2/wd_timer.h
View File

@ -13,5 +13,6 @@
#include <plat/omap_hwmod.h>
extern int omap2_wd_timer_disable(struct omap_hwmod *oh);
extern int omap2_wd_timer_reset(struct omap_hwmod *oh);
#endif

1
arch/arm/mach-ux500/Makefile
View File

@ -4,6 +4,7 @@
obj-y := clock.o cpu.o devices.o devices-common.o \
id.o usb.o timer.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
obj-$(CONFIG_UX500_SOC_DB8500) += cpu-db8500.o devices-db8500.o
obj-$(CONFIG_MACH_MOP500) += board-mop500.o board-mop500-sdi.o \

171
arch/arm/mach-ux500/cpuidle.c Normal file
View File

@ -0,0 +1,171 @@
/*
* Copyright (c) 2012 Linaro : Daniel Lezcano <daniel.lezcano@linaro.org> (IBM)
*
* Based on the work of Rickard Andersson <rickard.andersson@stericsson.com>
* and Jonas Aaberg <jonas.aberg@stericsson.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
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/cpuidle.h>
#include <linux/clockchips.h>
#include <linux/spinlock.h>
#include <linux/atomic.h>
#include <linux/smp.h>
#include <linux/mfd/dbx500-prcmu.h>
#include <asm/cpuidle.h>
#include <asm/proc-fns.h>
static atomic_t master = ATOMIC_INIT(0);
static DEFINE_SPINLOCK(master_lock);
static DEFINE_PER_CPU(struct cpuidle_device, ux500_cpuidle_device);
static inline int ux500_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
int this_cpu = smp_processor_id();
bool recouple = false;
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &this_cpu);
if (atomic_inc_return(&master) == num_online_cpus()) {
/* With this lock, we prevent the other cpu to exit and enter
* this function again and become the master */
if (!spin_trylock(&master_lock))
goto wfi;
/* decouple the gic from the A9 cores */
if (prcmu_gic_decouple())
goto out;
/* If an error occur, we will have to recouple the gic
* manually */
recouple = true;
/* At this state, as the gic is decoupled, if the other
* cpu is in WFI, we have the guarantee it won't be wake
* up, so we can safely go to retention */
if (!prcmu_is_cpu_in_wfi(this_cpu ? 0 : 1))
goto out;
/* The prcmu will be in charge of watching the interrupts
* and wake up the cpus */
if (prcmu_copy_gic_settings())
goto out;
/* Check in the meantime an interrupt did
* not occur on the gic ... */
if (prcmu_gic_pending_irq())
goto out;
/* ... and the prcmu */
if (prcmu_pending_irq())
goto out;
/* Go to the retention state, the prcmu will wait for the
* cpu to go WFI and this is what happens after exiting this
* 'master' critical section */
if (prcmu_set_power_state(PRCMU_AP_IDLE, true, true))
goto out;
/* When we switch to retention, the prcmu is in charge
* of recoupling the gic automatically */
recouple = false;
spin_unlock(&master_lock);
}
wfi:
cpu_do_idle();
out:
atomic_dec(&master);
if (recouple) {
prcmu_gic_recouple();
spin_unlock(&master_lock);
}
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &this_cpu);
return index;
}
static struct cpuidle_driver ux500_idle_driver = {
.name = "ux500_idle",
.owner = THIS_MODULE,
.en_core_tk_irqen = 1,
.states = {
ARM_CPUIDLE_WFI_STATE,
{
.enter = ux500_enter_idle,
.exit_latency = 70,
.target_residency = 260,
.flags = CPUIDLE_FLAG_TIME_VALID,
.name = "ApIdle",
.desc = "ARM Retention",
},
},
.safe_state_index = 0,
.state_count = 2,
};
/*
* For each cpu, setup the broadcast timer because we will
* need to migrate the timers for the states >= ApIdle.
*/
static void ux500_setup_broadcast_timer(void *arg)
{
int cpu = smp_processor_id();
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu);
}
int __init ux500_idle_init(void)
{
int ret, cpu;
struct cpuidle_device *device;
/* Configure wake up reasons */
prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) |
PRCMU_WAKEUP(ABB));
/*
* Configure the timer broadcast for each cpu, that must
* be done from the cpu context, so we use a smp cross
* call with 'on_each_cpu'.
*/
on_each_cpu(ux500_setup_broadcast_timer, NULL, 1);
ret = cpuidle_register_driver(&ux500_idle_driver);
if (ret) {
printk(KERN_ERR "failed to register ux500 idle driver\n");
return ret;
}
for_each_online_cpu(cpu) {
device = &per_cpu(ux500_cpuidle_device, cpu);
device->cpu = cpu;
ret = cpuidle_register_device(device);
if (ret) {
printk(KERN_ERR "Failed to register cpuidle "
"device for cpu%d\n", cpu);
goto out_unregister;
}
}
out:
return ret;
out_unregister:
for_each_online_cpu(cpu) {
device = &per_cpu(ux500_cpuidle_device, cpu);
cpuidle_unregister_device(device);
}
cpuidle_unregister_driver(&ux500_idle_driver);
goto out;
}
device_initcall(ux500_idle_init);

24
arch/arm/mm/cache-tauros2.c
View File

@ -108,6 +108,26 @@ static void tauros2_flush_range(unsigned long start, unsigned long end)
dsb();
}
static void tauros2_disable(void)
{
__asm__ __volatile__ (
"mcr p15, 1, %0, c7, c11, 0 @L2 Cache Clean All\n\t"
"mrc p15, 0, %0, c1, c0, 0\n\t"
"bic %0, %0, #(1 << 26)\n\t"
"mcr p15, 0, %0, c1, c0, 0 @Disable L2 Cache\n\t"
: : "r" (0x0));
}
static void tauros2_resume(void)
{
__asm__ __volatile__ (
"mcr p15, 1, %0, c7, c7, 0 @L2 Cache Invalidate All\n\t"
"mrc p15, 0, %0, c1, c0, 0\n\t"
"orr %0, %0, #(1 << 26)\n\t"
"mcr p15, 0, %0, c1, c0, 0 @Enable L2 Cache\n\t"
: : "r" (0x0));
}
#endif
static inline u32 __init read_extra_features(void)
@ -194,6 +214,8 @@ void __init tauros2_init(void)
outer_cache.inv_range = tauros2_inv_range;
outer_cache.clean_range = tauros2_clean_range;
outer_cache.flush_range = tauros2_flush_range;
outer_cache.disable = tauros2_disable;
outer_cache.resume = tauros2_resume;
}
#endif
@ -219,6 +241,8 @@ void __init tauros2_init(void)
outer_cache.inv_range = tauros2_inv_range;
outer_cache.clean_range = tauros2_clean_range;
outer_cache.flush_range = tauros2_flush_range;
outer_cache.disable = tauros2_disable;
outer_cache.resume = tauros2_resume;
}
#endif

35
arch/arm/mm/proc-mohawk.S
View File

@ -345,6 +345,41 @@ ENTRY(cpu_mohawk_set_pte_ext)
mcr p15, 0, r0, c7, c10, 4 @ drain WB
mov pc, lr
.globl cpu_mohawk_suspend_size
.equ cpu_mohawk_suspend_size, 4 * 6
#ifdef CONFIG_PM_SLEEP
ENTRY(cpu_mohawk_do_suspend)
stmfd sp!, {r4 - r9, lr}
mrc p14, 0, r4, c6, c0, 0 @ clock configuration, for turbo mode
mrc p15, 0, r5, c15, c1, 0 @ CP access reg
mrc p15, 0, r6, c13, c0, 0 @ PID
mrc p15, 0, r7, c3, c0, 0 @ domain ID
mrc p15, 0, r8, c1, c0, 1 @ auxiliary control reg
mrc p15, 0, r9, c1, c0, 0 @ control reg
bic r4, r4, #2 @ clear frequency change bit
stmia r0, {r4 - r9} @ store cp regs
ldmia sp!, {r4 - r9, pc}
ENDPROC(cpu_mohawk_do_suspend)
ENTRY(cpu_mohawk_do_resume)
ldmia r0, {r4 - r9} @ load cp regs
mov ip, #0
mcr p15, 0, ip, c7, c7, 0 @ invalidate I & D caches, BTB
mcr p15, 0, ip, c7, c10, 4 @ drain write (&fill) buffer
mcr p15, 0, ip, c7, c5, 4 @ flush prefetch buffer
mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
mcr p14, 0, r4, c6, c0, 0 @ clock configuration, turbo mode.
mcr p15, 0, r5, c15, c1, 0 @ CP access reg
mcr p15, 0, r6, c13, c0, 0 @ PID
mcr p15, 0, r7, c3, c0, 0 @ domain ID
orr r1, r1, #0x18 @ cache the page table in L2
mcr p15, 0, r1, c2, c0, 0 @ translation table base addr
mcr p15, 0, r8, c1, c0, 1 @ auxiliary control reg
mov r0, r9 @ control register
b cpu_resume_mmu
ENDPROC(cpu_mohawk_do_resume)
#endif
__CPUINIT
.type __mohawk_setup, #function

4
arch/arm/plat-omap/include/plat/clkdev_omap.h
View File

@ -34,8 +34,7 @@ struct omap_clk {
#define CK_243X (1 << 5) /* 243x, 253x */
#define CK_3430ES1 (1 << 6) /* 34xxES1 only */
#define CK_3430ES2PLUS (1 << 7) /* 34xxES2, ES3, non-Sitara 35xx only */
#define CK_3505 (1 << 8)
#define CK_3517 (1 << 9)
#define CK_AM35XX (1 << 9) /* Sitara AM35xx */
#define CK_36XX (1 << 10) /* 36xx/37xx-specific clocks */
#define CK_443X (1 << 11)
#define CK_TI816X (1 << 12)
@ -44,7 +43,6 @@ struct omap_clk {
#define CK_34XX (CK_3430ES1 | CK_3430ES2PLUS)
#define CK_AM35XX (CK_3505 | CK_3517) /* all Sitara AM35xx */
#define CK_3XXX (CK_34XX | CK_AM35XX | CK_36XX)

2
arch/arm/plat-omap/include/plat/dmtimer.h
View File

@ -259,7 +259,7 @@ struct omap_dm_timer {
unsigned long phys_base;
int id;
int irq;
struct clk *iclk, *fclk;
struct clk *fclk;
void __iomem *io_base;
void __iomem *sys_stat; /* TISTAT timer status */

36
arch/arm/plat-omap/include/plat/hdq1w.h Normal file
View File

@ -0,0 +1,36 @@
/*
* Shared macros and function prototypes for the HDQ1W/1-wire IP block
*
* Copyright (C) 2012 Texas Instruments, Inc.
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef ARCH_ARM_MACH_OMAP2_HDQ1W_H
#define ARCH_ARM_MACH_OMAP2_HDQ1W_H
#include <plat/omap_hwmod.h>
/*
* XXX A future cleanup patch should modify
* drivers/w1/masters/omap_hdq.c to use these macros
*/
#define HDQ_CTRL_STATUS_OFFSET 0x0c
#define HDQ_CTRL_STATUS_CLOCKENABLE_SHIFT 5
extern int omap_hdq1w_reset(struct omap_hwmod *oh);
#endif

4
arch/arm/plat-omap/include/plat/mmc.h
View File

@ -16,6 +16,7 @@
#include <linux/mmc/host.h>
#include <plat/board.h>
#include <plat/omap_hwmod.h>
#define OMAP15XX_NR_MMC 1
#define OMAP16XX_NR_MMC 2
@ -195,4 +196,7 @@ static inline int omap_mmc_add(const char *name, int id, unsigned long base,
}
#endif
extern int omap_msdi_reset(struct omap_hwmod *oh);
#endif

1
arch/arm/plat-omap/include/plat/omap_hwmod.h
View File

@ -214,6 +214,7 @@ struct omap_hwmod_addr_space {
#define OCP_USER_MPU (1 << 0)
#define OCP_USER_SDMA (1 << 1)
#define OCP_USER_DSP (1 << 2)
#define OCP_USER_IVA (1 << 3)
/* omap_hwmod_ocp_if.flags bits */
#define OCPIF_SWSUP_IDLE (1 << 0)