153 lines
4.0 KiB
C
153 lines
4.0 KiB
C
|
/*
|
||
|
|
* OMAP Power Management debug routines
|
||
|
|
*
|
||
|
|
* Copyright (C) 2005 Texas Instruments, Inc.
|
||
|
|
* Copyright (C) 2006-2008 Nokia Corporation
|
||
|
|
*
|
||
|
|
* Written by:
|
||
|
|
* Richard Woodruff <r-woodruff2@ti.com>
|
||
|
|
* Tony Lindgren
|
||
|
|
* Juha Yrjola
|
||
|
|
* Amit Kucheria <amit.kucheria@nokia.com>
|
||
|
|
* Igor Stoppa <igor.stoppa@nokia.com>
|
||
|
|
* Jouni Hogander
|
||
|
|
*
|
||
|
|
* Based on pm.c for omap2
|
||
|
|
*
|
||
|
|
* 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/kernel.h>
|
||
|
|
#include <linux/timer.h>
|
||
|
|
#include <linux/clk.h>
|
||
|
|
#include <linux/err.h>
|
||
|
|
#include <linux/io.h>
|
||
|
|
|
||
|
|
#include <mach/clock.h>
|
||
|
|
#include <mach/board.h>
|
||
|
|
|
||
|
|
#include "prm.h"
|
||
|
|
#include "cm.h"
|
||
|
|
#include "pm.h"
|
||
|
|
|
||
|
|
int omap2_pm_debug;
|
||
|
|
|
||
|
|
#define DUMP_PRM_MOD_REG(mod, reg) \
|
||
|
|
regs[reg_count].name = #mod "." #reg; \
|
||
|
|
regs[reg_count++].val = prm_read_mod_reg(mod, reg)
|
||
|
|
#define DUMP_CM_MOD_REG(mod, reg) \
|
||
|
|
regs[reg_count].name = #mod "." #reg; \
|
||
|
|
regs[reg_count++].val = cm_read_mod_reg(mod, reg)
|
||
|
|
#define DUMP_PRM_REG(reg) \
|
||
|
|
regs[reg_count].name = #reg; \
|
||
|
|
regs[reg_count++].val = __raw_readl(reg)
|
||
|
|
#define DUMP_CM_REG(reg) \
|
||
|
|
regs[reg_count].name = #reg; \
|
||
|
|
regs[reg_count++].val = __raw_readl(reg)
|
||
|
|
#define DUMP_INTC_REG(reg, off) \
|
||
|
|
regs[reg_count].name = #reg; \
|
||
|
|
regs[reg_count++].val = __raw_readl(IO_ADDRESS(0x480fe000 + (off)))
|
||
|
|
|
||
|
|
void omap2_pm_dump(int mode, int resume, unsigned int us)
|
||
|
|
{
|
||
|
|
struct reg {
|
||
|
|
const char *name;
|
||
|
|
u32 val;
|
||
|
|
} regs[32];
|
||
|
|
int reg_count = 0, i;
|
||
|
|
const char *s1 = NULL, *s2 = NULL;
|
||
|
|
|
||
|
|
if (!resume) {
|
||
|
|
#if 0
|
||
|
|
/* 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, PM_WKDEP);
|
||
|
|
#endif
|
||
|
|
#if 0
|
||
|
|
/* INTC */
|
||
|
|
DUMP_INTC_REG(INTC_MIR0, 0x0084);
|
||
|
|
DUMP_INTC_REG(INTC_MIR1, 0x00a4);
|
||
|
|
DUMP_INTC_REG(INTC_MIR2, 0x00c4);
|
||
|
|
#endif
|
||
|
|
#if 0
|
||
|
|
DUMP_CM_MOD_REG(CORE_MOD, CM_FCLKEN1);
|
||
|
|
if (cpu_is_omap24xx()) {
|
||
|
|
DUMP_CM_MOD_REG(CORE_MOD, OMAP24XX_CM_FCLKEN2);
|
||
|
|
DUMP_PRM_MOD_REG(OMAP24XX_GR_MOD,
|
||
|
|
OMAP2_PRCM_CLKEMUL_CTRL_OFFSET);
|
||
|
|
DUMP_PRM_MOD_REG(OMAP24XX_GR_MOD,
|
||
|
|
OMAP2_PRCM_CLKSRC_CTRL_OFFSET);
|
||
|
|
}
|
||
|
|
DUMP_CM_MOD_REG(WKUP_MOD, CM_FCLKEN);
|
||
|
|
DUMP_CM_MOD_REG(CORE_MOD, CM_ICLKEN1);
|
||
|
|
DUMP_CM_MOD_REG(CORE_MOD, CM_ICLKEN2);
|
||
|
|
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);
|
||
|
|
#endif
|
||
|
|
#if 0
|
||
|
|
/* DSP */
|
||
|
|
if (cpu_is_omap24xx()) {
|
||
|
|
DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_FCLKEN);
|
||
|
|
DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_ICLKEN);
|
||
|
|
DUMP_CM_MOD_REG(OMAP24XX_DSP_MOD, CM_IDLEST);
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
} else {
|
||
|
|
DUMP_PRM_MOD_REG(CORE_MOD, PM_WKST1);
|
||
|
|
if (cpu_is_omap24xx())
|
||
|
|
DUMP_PRM_MOD_REG(CORE_MOD, OMAP24XX_PM_WKST2);
|
||
|
|
DUMP_PRM_MOD_REG(WKUP_MOD, PM_WKST);
|
||
|
|
DUMP_PRM_MOD_REG(OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET);
|
||
|
|
#if 1
|
||
|
|
DUMP_INTC_REG(INTC_PENDING_IRQ0, 0x0098);
|
||
|
|
DUMP_INTC_REG(INTC_PENDING_IRQ1, 0x00b8);
|
||
|
|
DUMP_INTC_REG(INTC_PENDING_IRQ2, 0x00d8);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (mode) {
|
||
|
|
case 0:
|
||
|
|
s1 = "full";
|
||
|
|
s2 = "retention";
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
s1 = "MPU";
|
||
|
|
s2 = "retention";
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
s1 = "MPU";
|
||
|
|
s2 = "idle";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!resume)
|
||
|
|
#ifdef CONFIG_NO_HZ
|
||
|
|
printk(KERN_INFO
|
||
|
|
"--- Going to %s %s (next timer after %u ms)\n", s1, s2,
|
||
|
|
jiffies_to_msecs(get_next_timer_interrupt(jiffies) -
|
||
|
|
jiffies));
|
||
|
|
#else
|
||
|
|
printk(KERN_INFO "--- Going to %s %s\n", s1, s2);
|
||
|
|
#endif
|
||
|
|
else
|
||
|
|
printk(KERN_INFO "--- Woke up (slept for %u.%03u ms)\n",
|
||
|
|
us / 1000, us % 1000);
|
||
|
|
|
||
|
|
for (i = 0; i < reg_count; i++)
|
||
|
|
printk(KERN_INFO "%-20s: 0x%08x\n", regs[i].name, regs[i].val);
|
||
|
|
}
|