ARM: OMAP: Remove common pm.c
authorTony Lindgren <tony@atomide.com>
Mon, 25 Sep 2006 10:28:17 +0000 (13:28 +0300)
committerTony Lindgren <tony@atomide.com>
Mon, 25 Sep 2006 10:28:17 +0000 (13:28 +0300)
There is now separate pm.c for OMAP1 and OMAP2.

Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/plat-omap/pm.c [deleted file]

diff --git a/arch/arm/plat-omap/pm.c b/arch/arm/plat-omap/pm.c
deleted file mode 100644 (file)
index 04b4102..0000000
+++ /dev/null
@@ -1,670 +0,0 @@
-/*
- * linux/arch/arm/plat-omap/pm.c
- *
- * OMAP Power Management Routines
- *
- * Original code for the SA11x0:
- * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com>
- *
- * Modified for the PXA250 by Nicolas Pitre:
- * Copyright (c) 2002 Monta Vista Software, Inc.
- *
- * Modified for the OMAP1510 by David Singleton:
- * Copyright (c) 2002 Monta Vista Software, Inc.
- *
- * Cleanup 2004 for OMAP1510/1610 by Dirk Behme <dirk.behme@de.bosch.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/pm.h>
-#include <linux/sched.h>
-#include <linux/proc_fs.h>
-#include <linux/pm.h>
-#include <linux/interrupt.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mach/time.h>
-#include <asm/mach/irq.h>
-
-#include <asm/mach-types.h>
-#include <asm/arch/irqs.h>
-#include <asm/arch/tc.h>
-#include <asm/arch/pm.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/tps65010.h>
-#include <asm/arch/dsp_common.h>
-
-#include <asm/arch/clock.h>
-#include <asm/arch/sram.h>
-
-static unsigned int arm_sleep_save[ARM_SLEEP_SAVE_SIZE];
-static unsigned short ulpd_sleep_save[ULPD_SLEEP_SAVE_SIZE];
-static unsigned int mpui730_sleep_save[MPUI730_SLEEP_SAVE_SIZE];
-static unsigned int mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_SIZE];
-static unsigned int mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_SIZE];
-
-static void (*omap_sram_idle)(void) = NULL;
-static void (*omap_sram_suspend)(unsigned long r0, unsigned long r1) = NULL;
-
-/*
- * Let's power down on idle, but only if we are really
- * idle, because once we start down the path of
- * going idle we continue to do idle even if we get
- * a clock tick interrupt . .
- */
-void omap_pm_idle(void)
-{
-       unsigned int mask32 = 0;
-
-       /*
-        * If the DSP is being used let's just idle the CPU, the overhead
-        * to wake up from Big Sleep is big, milliseconds versus micro
-        * seconds for wait for interrupt.
-        */
-
-       local_irq_disable();
-       local_fiq_disable();
-       if (need_resched()) {
-               local_fiq_enable();
-               local_irq_enable();
-               return;
-       }
-       mask32 = omap_readl(ARM_SYSST);
-
-       /*
-        * Prevent the ULPD from entering low power state by setting
-        * POWER_CTRL_REG:4 = 0
-        */
-       omap_writew(omap_readw(ULPD_POWER_CTRL) &
-                   ~ULPD_DEEP_SLEEP_TRANSITION_EN, ULPD_POWER_CTRL);
-
-       /*
-        * Since an interrupt may set up a timer, we don't want to
-        * reprogram the hardware timer with interrupts enabled.
-        * Re-enable interrupts only after returning from idle.
-        */
-       timer_dyn_reprogram();
-
-       if ((mask32 & DSP_IDLE) == 0) {
-               __asm__ volatile ("mcr  p15, 0, r0, c7, c0, 4");
-       } else
-               omap_sram_idle();
-
-       local_fiq_enable();
-       local_irq_enable();
-}
-
-/*
- * Configuration of the wakeup event is board specific. For the
- * moment we put it into this helper function. Later it may move
- * to board specific files.
- */
-static void omap_pm_wakeup_setup(void)
-{
-       u32 level1_wake = 0;
-       u32 level2_wake = OMAP_IRQ_BIT(INT_UART2);
-
-       /*
-        * Turn off all interrupts except GPIO bank 1, L1-2nd level cascade,
-        * and the L2 wakeup interrupts: keypad and UART2. Note that the
-        * drivers must still separately call omap_set_gpio_wakeup() to
-        * wake up to a GPIO interrupt.
-        */
-       if (cpu_is_omap730())
-               level1_wake = OMAP_IRQ_BIT(INT_730_GPIO_BANK1) |
-                       OMAP_IRQ_BIT(INT_730_IH2_IRQ);
-       else if (cpu_is_omap1510())
-               level1_wake = OMAP_IRQ_BIT(INT_GPIO_BANK1) |
-                       OMAP_IRQ_BIT(INT_1510_IH2_IRQ);
-       else if (cpu_is_omap16xx())
-               level1_wake = OMAP_IRQ_BIT(INT_GPIO_BANK1) |
-                       OMAP_IRQ_BIT(INT_1610_IH2_IRQ);
-
-       omap_writel(~level1_wake, OMAP_IH1_MIR);
-
-       if (cpu_is_omap730()) {
-               omap_writel(~level2_wake, OMAP_IH2_0_MIR);
-               omap_writel(~(OMAP_IRQ_BIT(INT_730_WAKE_UP_REQ) | OMAP_IRQ_BIT(INT_730_MPUIO_KEYPAD)), OMAP_IH2_1_MIR);
-       } else if (cpu_is_omap1510()) {
-               level2_wake |= OMAP_IRQ_BIT(INT_KEYBOARD);
-               omap_writel(~level2_wake,  OMAP_IH2_MIR);
-       } else if (cpu_is_omap16xx()) {
-               level2_wake |= OMAP_IRQ_BIT(INT_KEYBOARD);
-               omap_writel(~level2_wake, OMAP_IH2_0_MIR);
-
-               /* INT_1610_WAKE_UP_REQ is needed for GPIO wakeup... */
-               omap_writel(~OMAP_IRQ_BIT(INT_1610_WAKE_UP_REQ), OMAP_IH2_1_MIR);
-               omap_writel(~0x0, OMAP_IH2_2_MIR);
-               omap_writel(~0x0, OMAP_IH2_3_MIR);
-       }
-
-       /*  New IRQ agreement, recalculate in cascade order */
-       omap_writel(1, OMAP_IH2_CONTROL);
-       omap_writel(1, OMAP_IH1_CONTROL);
-}
-
-void omap_pm_suspend(void)
-{
-       unsigned long arg0 = 0, arg1 = 0;
-
-       printk("PM: OMAP%x is trying to enter deep sleep...\n", system_rev);
-
-       omap_serial_wake_trigger(1);
-
-       if (machine_is_omap_osk()) {
-               /* Stop LED1 (D9) blink */
-               tps65010_set_led(LED1, OFF);
-       }
-
-       omap_writew(0xffff, ULPD_SOFT_DISABLE_REQ_REG);
-
-       /*
-        * Step 1: turn off interrupts (FIXME: NOTE: already disabled)
-        */
-
-       local_irq_disable();
-       local_fiq_disable();
-
-       /*
-        * Step 2: save registers
-        *
-        * The omap is a strange/beautiful device. The caches, memory
-        * and register state are preserved across power saves.
-        * We have to save and restore very little register state to
-        * idle the omap.
-         *
-        * Save interrupt, MPUI, ARM and UPLD control registers.
-        */
-
-       if (cpu_is_omap730()) {
-               MPUI730_SAVE(OMAP_IH1_MIR);
-               MPUI730_SAVE(OMAP_IH2_0_MIR);
-               MPUI730_SAVE(OMAP_IH2_1_MIR);
-               MPUI730_SAVE(MPUI_CTRL);
-               MPUI730_SAVE(MPUI_DSP_BOOT_CONFIG);
-               MPUI730_SAVE(MPUI_DSP_API_CONFIG);
-               MPUI730_SAVE(EMIFS_CONFIG);
-               MPUI730_SAVE(EMIFF_SDRAM_CONFIG);
-
-       } else if (cpu_is_omap1510()) {
-               MPUI1510_SAVE(OMAP_IH1_MIR);
-               MPUI1510_SAVE(OMAP_IH2_MIR);
-               MPUI1510_SAVE(MPUI_CTRL);
-               MPUI1510_SAVE(MPUI_DSP_BOOT_CONFIG);
-               MPUI1510_SAVE(MPUI_DSP_API_CONFIG);
-               MPUI1510_SAVE(EMIFS_CONFIG);
-               MPUI1510_SAVE(EMIFF_SDRAM_CONFIG);
-       } else if (cpu_is_omap16xx()) {
-               MPUI1610_SAVE(OMAP_IH1_MIR);
-               MPUI1610_SAVE(OMAP_IH2_0_MIR);
-               MPUI1610_SAVE(OMAP_IH2_1_MIR);
-               MPUI1610_SAVE(OMAP_IH2_2_MIR);
-               MPUI1610_SAVE(OMAP_IH2_3_MIR);
-               MPUI1610_SAVE(MPUI_CTRL);
-               MPUI1610_SAVE(MPUI_DSP_BOOT_CONFIG);
-               MPUI1610_SAVE(MPUI_DSP_API_CONFIG);
-               MPUI1610_SAVE(EMIFS_CONFIG);
-               MPUI1610_SAVE(EMIFF_SDRAM_CONFIG);
-       }
-
-       ARM_SAVE(ARM_CKCTL);
-       ARM_SAVE(ARM_IDLECT1);
-       ARM_SAVE(ARM_IDLECT2);
-       if (!(cpu_is_omap1510()))
-               ARM_SAVE(ARM_IDLECT3);
-       ARM_SAVE(ARM_EWUPCT);
-       ARM_SAVE(ARM_RSTCT1);
-       ARM_SAVE(ARM_RSTCT2);
-       ARM_SAVE(ARM_SYSST);
-       ULPD_SAVE(ULPD_CLOCK_CTRL);
-       ULPD_SAVE(ULPD_STATUS_REQ);
-
-       /* (Step 3 removed - we now allow deep sleep by default) */
-
-       /*
-        * Step 4: OMAP DSP Shutdown
-        */
-
-
-       /*
-        * Step 5: Wakeup Event Setup
-        */
-
-       omap_pm_wakeup_setup();
-
-       /*
-        * Step 6: ARM and Traffic controller shutdown
-        */
-
-       /* disable ARM watchdog */
-       omap_writel(0x00F5, OMAP_WDT_TIMER_MODE);
-       omap_writel(0x00A0, OMAP_WDT_TIMER_MODE);
-
-       /*
-        * Step 6b: ARM and Traffic controller shutdown
-        *
-        * Step 6 continues here. Prepare jump to power management
-        * assembly code in internal SRAM.
-        *
-        * Since the omap_cpu_suspend routine has been copied to
-        * SRAM, we'll do an indirect procedure call to it and pass the
-        * contents of arm_idlect1 and arm_idlect2 so it can restore
-        * them when it wakes up and it will return.
-        */
-
-       arg0 = arm_sleep_save[ARM_SLEEP_SAVE_ARM_IDLECT1];
-       arg1 = arm_sleep_save[ARM_SLEEP_SAVE_ARM_IDLECT2];
-
-       /*
-        * Step 6c: ARM and Traffic controller shutdown
-        *
-        * Jump to assembly code. The processor will stay there
-        * until wake up.
-        */
-        omap_sram_suspend(arg0, arg1);
-
-       /*
-        * If we are here, processor is woken up!
-        */
-
-       /*
-        * Restore ARM state, except ARM_IDLECT1/2 which omap_cpu_suspend did
-        */
-
-       if (!(cpu_is_omap1510()))
-               ARM_RESTORE(ARM_IDLECT3);
-       ARM_RESTORE(ARM_CKCTL);
-       ARM_RESTORE(ARM_EWUPCT);
-       ARM_RESTORE(ARM_RSTCT1);
-       ARM_RESTORE(ARM_RSTCT2);
-       ARM_RESTORE(ARM_SYSST);
-       ULPD_RESTORE(ULPD_CLOCK_CTRL);
-       ULPD_RESTORE(ULPD_STATUS_REQ);
-
-       if (cpu_is_omap730()) {
-               MPUI730_RESTORE(EMIFS_CONFIG);
-               MPUI730_RESTORE(EMIFF_SDRAM_CONFIG);
-               MPUI730_RESTORE(OMAP_IH1_MIR);
-               MPUI730_RESTORE(OMAP_IH2_0_MIR);
-               MPUI730_RESTORE(OMAP_IH2_1_MIR);
-       } else if (cpu_is_omap1510()) {
-               MPUI1510_RESTORE(MPUI_CTRL);
-               MPUI1510_RESTORE(MPUI_DSP_BOOT_CONFIG);
-               MPUI1510_RESTORE(MPUI_DSP_API_CONFIG);
-               MPUI1510_RESTORE(EMIFS_CONFIG);
-               MPUI1510_RESTORE(EMIFF_SDRAM_CONFIG);
-               MPUI1510_RESTORE(OMAP_IH1_MIR);
-               MPUI1510_RESTORE(OMAP_IH2_MIR);
-       } else if (cpu_is_omap16xx()) {
-               MPUI1610_RESTORE(MPUI_CTRL);
-               MPUI1610_RESTORE(MPUI_DSP_BOOT_CONFIG);
-               MPUI1610_RESTORE(MPUI_DSP_API_CONFIG);
-               MPUI1610_RESTORE(EMIFS_CONFIG);
-               MPUI1610_RESTORE(EMIFF_SDRAM_CONFIG);
-
-               MPUI1610_RESTORE(OMAP_IH1_MIR);
-               MPUI1610_RESTORE(OMAP_IH2_0_MIR);
-               MPUI1610_RESTORE(OMAP_IH2_1_MIR);
-               MPUI1610_RESTORE(OMAP_IH2_2_MIR);
-               MPUI1610_RESTORE(OMAP_IH2_3_MIR);
-       }
-
-       omap_writew(0, ULPD_SOFT_DISABLE_REQ_REG);
-
-       /*
-        * Reenable interrupts
-        */
-
-       local_irq_enable();
-       local_fiq_enable();
-
-       omap_serial_wake_trigger(0);
-
-       printk("PM: OMAP%x is re-starting from deep sleep...\n", system_rev);
-
-       if (machine_is_omap_osk()) {
-               /* Let LED1 (D9) blink again */
-               tps65010_set_led(LED1, BLINK);
-       }
-}
-
-#if defined(DEBUG) && defined(CONFIG_PROC_FS)
-static int g_read_completed;
-
-/*
- * Read system PM registers for debugging
- */
-static int omap_pm_read_proc(
-       char *page_buffer,
-       char **my_first_byte,
-       off_t virtual_start,
-       int length,
-       int *eof,
-       void *data)
-{
-       int my_buffer_offset = 0;
-       char * const my_base = page_buffer;
-
-       ARM_SAVE(ARM_CKCTL);
-       ARM_SAVE(ARM_IDLECT1);
-       ARM_SAVE(ARM_IDLECT2);
-       if (!(cpu_is_omap1510()))
-               ARM_SAVE(ARM_IDLECT3);
-       ARM_SAVE(ARM_EWUPCT);
-       ARM_SAVE(ARM_RSTCT1);
-       ARM_SAVE(ARM_RSTCT2);
-       ARM_SAVE(ARM_SYSST);
-
-       ULPD_SAVE(ULPD_IT_STATUS);
-       ULPD_SAVE(ULPD_CLOCK_CTRL);
-       ULPD_SAVE(ULPD_SOFT_REQ);
-       ULPD_SAVE(ULPD_STATUS_REQ);
-       ULPD_SAVE(ULPD_DPLL_CTRL);
-       ULPD_SAVE(ULPD_POWER_CTRL);
-
-       if (cpu_is_omap730()) {
-               MPUI730_SAVE(MPUI_CTRL);
-               MPUI730_SAVE(MPUI_DSP_STATUS);
-               MPUI730_SAVE(MPUI_DSP_BOOT_CONFIG);
-               MPUI730_SAVE(MPUI_DSP_API_CONFIG);
-               MPUI730_SAVE(EMIFF_SDRAM_CONFIG);
-               MPUI730_SAVE(EMIFS_CONFIG);
-       } else if (cpu_is_omap1510()) {
-               MPUI1510_SAVE(MPUI_CTRL);
-               MPUI1510_SAVE(MPUI_DSP_STATUS);
-               MPUI1510_SAVE(MPUI_DSP_BOOT_CONFIG);
-               MPUI1510_SAVE(MPUI_DSP_API_CONFIG);
-               MPUI1510_SAVE(EMIFF_SDRAM_CONFIG);
-               MPUI1510_SAVE(EMIFS_CONFIG);
-       } else if (cpu_is_omap16xx()) {
-               MPUI1610_SAVE(MPUI_CTRL);
-               MPUI1610_SAVE(MPUI_DSP_STATUS);
-               MPUI1610_SAVE(MPUI_DSP_BOOT_CONFIG);
-               MPUI1610_SAVE(MPUI_DSP_API_CONFIG);
-               MPUI1610_SAVE(EMIFF_SDRAM_CONFIG);
-               MPUI1610_SAVE(EMIFS_CONFIG);
-       }
-
-       if (virtual_start == 0) {
-               g_read_completed = 0;
-
-               my_buffer_offset += sprintf(my_base + my_buffer_offset,
-                  "ARM_CKCTL_REG:            0x%-8x     \n"
-                  "ARM_IDLECT1_REG:          0x%-8x     \n"
-                  "ARM_IDLECT2_REG:          0x%-8x     \n"
-                  "ARM_IDLECT3_REG:          0x%-8x     \n"
-                  "ARM_EWUPCT_REG:           0x%-8x     \n"
-                  "ARM_RSTCT1_REG:           0x%-8x     \n"
-                  "ARM_RSTCT2_REG:           0x%-8x     \n"
-                  "ARM_SYSST_REG:            0x%-8x     \n"
-                  "ULPD_IT_STATUS_REG:       0x%-4x     \n"
-                  "ULPD_CLOCK_CTRL_REG:      0x%-4x     \n"
-                  "ULPD_SOFT_REQ_REG:        0x%-4x     \n"
-                  "ULPD_DPLL_CTRL_REG:       0x%-4x     \n"
-                  "ULPD_STATUS_REQ_REG:      0x%-4x     \n"
-                  "ULPD_POWER_CTRL_REG:      0x%-4x     \n",
-                  ARM_SHOW(ARM_CKCTL),
-                  ARM_SHOW(ARM_IDLECT1),
-                  ARM_SHOW(ARM_IDLECT2),
-                  ARM_SHOW(ARM_IDLECT3),
-                  ARM_SHOW(ARM_EWUPCT),
-                  ARM_SHOW(ARM_RSTCT1),
-                  ARM_SHOW(ARM_RSTCT2),
-                  ARM_SHOW(ARM_SYSST),
-                  ULPD_SHOW(ULPD_IT_STATUS),
-                  ULPD_SHOW(ULPD_CLOCK_CTRL),
-                  ULPD_SHOW(ULPD_SOFT_REQ),
-                  ULPD_SHOW(ULPD_DPLL_CTRL),
-                  ULPD_SHOW(ULPD_STATUS_REQ),
-                  ULPD_SHOW(ULPD_POWER_CTRL));
-
-               if (cpu_is_omap730()) {
-                       my_buffer_offset += sprintf(my_base + my_buffer_offset,
-                          "MPUI730_CTRL_REG         0x%-8x \n"
-                          "MPUI730_DSP_STATUS_REG:      0x%-8x \n"
-                          "MPUI730_DSP_BOOT_CONFIG_REG: 0x%-8x \n"
-        "MPUI730_DSP_API_CONFIG_REG:  0x%-8x \n"
-        "MPUI730_SDRAM_CONFIG_REG:    0x%-8x \n"
-        "MPUI730_EMIFS_CONFIG_REG:    0x%-8x \n",
-        MPUI730_SHOW(MPUI_CTRL),
-        MPUI730_SHOW(MPUI_DSP_STATUS),
-        MPUI730_SHOW(MPUI_DSP_BOOT_CONFIG),
-        MPUI730_SHOW(MPUI_DSP_API_CONFIG),
-        MPUI730_SHOW(EMIFF_SDRAM_CONFIG),
-        MPUI730_SHOW(EMIFS_CONFIG));
-               } else if (cpu_is_omap1510()) {
-                       my_buffer_offset += sprintf(my_base + my_buffer_offset,
-                          "MPUI1510_CTRL_REG             0x%-8x \n"
-                          "MPUI1510_DSP_STATUS_REG:      0x%-8x \n"
-                          "MPUI1510_DSP_BOOT_CONFIG_REG: 0x%-8x \n"
-                          "MPUI1510_DSP_API_CONFIG_REG:  0x%-8x \n"
-                          "MPUI1510_SDRAM_CONFIG_REG:    0x%-8x \n"
-                          "MPUI1510_EMIFS_CONFIG_REG:    0x%-8x \n",
-                          MPUI1510_SHOW(MPUI_CTRL),
-                          MPUI1510_SHOW(MPUI_DSP_STATUS),
-                          MPUI1510_SHOW(MPUI_DSP_BOOT_CONFIG),
-                          MPUI1510_SHOW(MPUI_DSP_API_CONFIG),
-                          MPUI1510_SHOW(EMIFF_SDRAM_CONFIG),
-                          MPUI1510_SHOW(EMIFS_CONFIG));
-               } else if (cpu_is_omap16xx()) {
-                       my_buffer_offset += sprintf(my_base + my_buffer_offset,
-                          "MPUI1610_CTRL_REG             0x%-8x \n"
-                          "MPUI1610_DSP_STATUS_REG:      0x%-8x \n"
-                          "MPUI1610_DSP_BOOT_CONFIG_REG: 0x%-8x \n"
-                          "MPUI1610_DSP_API_CONFIG_REG:  0x%-8x \n"
-                          "MPUI1610_SDRAM_CONFIG_REG:    0x%-8x \n"
-                          "MPUI1610_EMIFS_CONFIG_REG:    0x%-8x \n",
-                          MPUI1610_SHOW(MPUI_CTRL),
-                          MPUI1610_SHOW(MPUI_DSP_STATUS),
-                          MPUI1610_SHOW(MPUI_DSP_BOOT_CONFIG),
-                          MPUI1610_SHOW(MPUI_DSP_API_CONFIG),
-                          MPUI1610_SHOW(EMIFF_SDRAM_CONFIG),
-                          MPUI1610_SHOW(EMIFS_CONFIG));
-               }
-
-               g_read_completed++;
-       } else if (g_read_completed >= 1) {
-                *eof = 1;
-                return 0;
-       }
-       g_read_completed++;
-
-       *my_first_byte = page_buffer;
-       return  my_buffer_offset;
-}
-
-static void omap_pm_init_proc(void)
-{
-       struct proc_dir_entry *entry;
-
-       entry = create_proc_read_entry("driver/omap_pm",
-                                      S_IWUSR | S_IRUGO, NULL,
-          omap_pm_read_proc, NULL);
-}
-
-#endif /* DEBUG && CONFIG_PROC_FS */
-
-/*
- *     omap_pm_prepare - Do preliminary suspend work.
- *     @state:         suspend state we're entering.
- *
- */
-//#include <asm/hardware.h>
-
-static int omap_pm_prepare(suspend_state_t state)
-{
-       int error = 0;
-
-       switch (state)
-       {
-       case PM_SUSPEND_STANDBY:
-       case PM_SUSPEND_MEM:
-               break;
-
-       case PM_SUSPEND_DISK:
-               return -ENOTSUPP;
-
-       default:
-               return -EINVAL;
-       }
-
-       return error;
-}
-
-
-/*
- *     omap_pm_enter - Actually enter a sleep state.
- *     @state:         State we're entering.
- *
- */
-
-static int omap_pm_enter(suspend_state_t state)
-{
-       switch (state)
-       {
-       case PM_SUSPEND_STANDBY:
-       case PM_SUSPEND_MEM:
-               omap_pm_suspend();
-               break;
-
-       case PM_SUSPEND_DISK:
-               return -ENOTSUPP;
-
-       default:
-               return -EINVAL;
-       }
-
-       return 0;
-}
-
-
-/**
- *     omap_pm_finish - Finish up suspend sequence.
- *     @state:         State we're coming out of.
- *
- *     This is called after we wake back up (or if entering the sleep state
- *     failed).
- */
-
-static int omap_pm_finish(suspend_state_t state)
-{
-       return 0;
-}
-
-
-static irqreturn_t  omap_wakeup_interrupt(int  irq, void *  dev,
-                                    struct pt_regs *  regs)
-{
-       return IRQ_HANDLED;
-}
-
-static struct irqaction omap_wakeup_irq = {
-       .name           = "peripheral wakeup",
-       .flags          = IRQF_DISABLED,
-       .handler        = omap_wakeup_interrupt
-};
-
-
-
-static struct pm_ops omap_pm_ops ={
-       .pm_disk_mode = 0,
-        .prepare        = omap_pm_prepare,
-        .enter          = omap_pm_enter,
-        .finish         = omap_pm_finish,
-};
-
-static int __init omap_pm_init(void)
-{
-       printk("Power Management for TI OMAP.\n");
-       /*
-        * We copy the assembler sleep/wakeup routines to SRAM.
-        * These routines need to be in SRAM as that's the only
-        * memory the MPU can see when it wakes up.
-        */
-       if (cpu_is_omap730()) {
-               omap_sram_idle = omap_sram_push(omap730_idle_loop_suspend,
-                                               omap730_idle_loop_suspend_sz);
-               omap_sram_suspend = omap_sram_push(omap730_cpu_suspend,
-        omap730_cpu_suspend_sz);
-       } else if (cpu_is_omap1510()) {
-               omap_sram_idle = omap_sram_push(omap1510_idle_loop_suspend,
-                                               omap1510_idle_loop_suspend_sz);
-               omap_sram_suspend = omap_sram_push(omap1510_cpu_suspend,
-                                                  omap1510_cpu_suspend_sz);
-       } else if (cpu_is_omap16xx()) {
-               omap_sram_idle = omap_sram_push(omap1610_idle_loop_suspend,
-                                               omap1610_idle_loop_suspend_sz);
-               omap_sram_suspend = omap_sram_push(omap1610_cpu_suspend,
-                                                  omap1610_cpu_suspend_sz);
-       }
-
-       if (omap_sram_idle == NULL || omap_sram_suspend == NULL) {
-               printk(KERN_ERR "PM not initialized: Missing SRAM support\n");
-               return -ENODEV;
-       }
-
-       pm_idle = omap_pm_idle;
-
-       if (cpu_is_omap730())
-               setup_irq(INT_730_WAKE_UP_REQ, &omap_wakeup_irq);
-       else if (cpu_is_omap16xx())
-               setup_irq(INT_1610_WAKE_UP_REQ, &omap_wakeup_irq);
-
-#if 0
-       /* --- BEGIN BOARD-DEPENDENT CODE --- */
-       /* Sleepx mask direction */
-       omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
-       /* Unmask sleepx signal */
-       omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
-       /* --- END BOARD-DEPENDENT CODE --- */
-#endif
-
-       /* Program new power ramp-up time
-        * (0 for most boards since we don't lower voltage when in deep sleep)
-        */
-       omap_writew(ULPD_SETUP_ANALOG_CELL_3_VAL, ULPD_SETUP_ANALOG_CELL_3);
-
-       /* Setup ULPD POWER_CTRL_REG - enter deep sleep whenever possible */
-       omap_writew(ULPD_POWER_CTRL_REG_VAL, ULPD_POWER_CTRL);
-
-       /* Configure IDLECT3 */
-       if (cpu_is_omap730())
-               omap_writel(OMAP730_IDLECT3_VAL, OMAP730_IDLECT3);
-       else if (cpu_is_omap16xx())
-               omap_writel(OMAP1610_IDLECT3_VAL, OMAP1610_IDLECT3);
-
-       pm_set_ops(&omap_pm_ops);
-
-#if defined(DEBUG) && defined(CONFIG_PROC_FS)
-       omap_pm_init_proc();
-#endif
-
-       if (cpu_is_omap16xx()) {
-               /* configure LOW_PWR pin */
-               omap_cfg_reg(T20_1610_LOW_PWR);
-       }
-
-       return 0;
-}
-__initcall(omap_pm_init);
-