/*
* linux/include/asm/arch-omap/pm.h
*
* Header file for OMAP Power Management Routines
*
* Author: MontaVista Software, Inc.
* support@mvista.com
*
* Copyright 2002 MontaVista Software Inc.
*
* Cleanup 2004 for Linux 2.6 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.
*/
#ifndef __ASM_ARCH_OMAP_PM_H
#define __ASM_ARCH_OMAP_PM_H
/*
* ----------------------------------------------------------------------------
* Register and offset definitions to be used in PM assembler code
* ----------------------------------------------------------------------------
*/
#define CLKGEN_REG_ASM_BASE io_p2v(0xfffece00)
#define ARM_IDLECT1_ASM_OFFSET 0x04
#define ARM_IDLECT2_ASM_OFFSET 0x08
#define TCMIF_ASM_BASE io_p2v(0xfffecc00)
#define EMIFS_CONFIG_ASM_OFFSET 0x0c
#define EMIFF_SDRAM_CONFIG_ASM_OFFSET 0x20
/*
* ----------------------------------------------------------------------------
* Powermanagement bitmasks
* ----------------------------------------------------------------------------
*/
#define IDLE_WAIT_CYCLES 0x00000fff
#define PERIPHERAL_ENABLE 0x2
#define SELF_REFRESH_MODE 0x0c000001
#define IDLE_EMIFS_REQUEST 0xc
#define MODEM_32K_EN 0x1
#define PER_EN 0x1
#define CPU_SUSPEND_SIZE 200
#define ULPD_LOW_POWER_EN 0x0001
#define DSP_IDLE_DELAY 10
#define DSP_IDLE 0x0040
#define DSP_RST 0x0004
#define DSP_ENABLE 0x0002
#define SUFFICIENT_DSP_RESET_TIME 1000
#define DEFAULT_MPUI_CONFIG 0x05cf
#define ENABLE_XORCLK 0x2
#define DSP_CLOCK_ENABLE 0x2000
#define DSP_IDLE_MODE 0x2
#define TC_IDLE_REQUEST (0x0000000c)
#define IRQ_LEVEL2 (1<<0)
#define IRQ_KEYBOARD (1<<1)
#define IRQ_UART2 (1<<15)
#define PDE_BIT 0x08
#define PWD_EN_BIT 0x04
#define EN_PERCK_BIT 0x04
#define OMAP1510_DEEP_SLEEP_REQUEST 0x0ec7
#define OMAP1510_BIG_SLEEP_REQUEST 0x0cc5
#define OMAP1510_IDLE_LOOP_REQUEST 0x0c00
#define OMAP1510_IDLE_CLOCK_DOMAINS 0x2
#define OMAP1510_ULPD_LOW_POWER_REQ 0x0001
#define OMAP1610_DEEP_SLEEP_REQUEST 0x17c7
#define OMAP1610_BIG_SLEEP_REQUEST TBD
#define OMAP1610_IDLE_LOOP_REQUEST 0x0400
#define OMAP1610_IDLE_CLOCK_DOMAINS 0x09c7
#define OMAP1610_ULPD_LOW_POWER_REQ 0x3
#ifndef OMAP1510_SRAM_IDLE_SUSPEND
#define OMAP1510_SRAM_IDLE_SUSPEND 0
#endif
#ifndef OMAP1610_SRAM_IDLE_SUSPEND
#define OMAP1610_SRAM_IDLE_SUSPEND 0
#endif
#ifndef OMAP5912_SRAM_IDLE_SUSPEND
#define OMAP5912_SRAM_IDLE_SUSPEND 0
#endif
#ifndef OMAP1510_SRAM_API_SUSPEND
#define OMAP1510_SRAM_API_SUSPEND 0
#endif
#ifndef OMAP1610_SRAM_API_SUSPEND
#define OMAP1610_SRAM_API_SUSPEND 0
#endif
#ifndef OMAP5912_SRAM_API_SUSPEND
#define OMAP5912_SRAM_API_SUSPEND 0
#endif
#if !defined(CONFIG_ARCH_OMAP1510) && \
!defined(CONFIG_ARCH_OMAP16XX)
#error "Power management for this processor not implemented yet"
#endif
#ifndef __ASSEMBLER__
extern void omap_pm_idle(void);
extern void omap_pm_suspend(void);
extern int omap1510_cpu_suspend(unsigned short, unsigned short);
extern int omap1610_cpu_suspend(unsigned short, unsigned short);
extern int omap1510_idle_loop_suspend(void);
extern int omap1610_idle_loop_suspend(void);
extern unsigned int omap1510_cpu_suspend_sz;
extern unsigned int omap1510_idle_loop_suspend_sz;
extern unsigned int omap1610_cpu_suspend_sz;
extern unsigned int omap1610_idle_loop_suspend_sz;
#define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x)
#define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x))
#define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x]
#define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x)
#define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x))
#define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]
#define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x))
#define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]
#define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x))
#define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]
/*
* List of global OMAP registers to preserve.
* More ones like CP and general purpose register values are preserved
* with the stack pointer in sleep.S.
*/
enum arm_save_state {
ARM_SLEEP_SAVE_START = 0,
/*
* MPU control registers 32 bits
*/
ARM_SLEEP_SAVE_ARM_CKCTL,
ARM_SLEEP_SAVE_ARM_IDLECT1,
ARM_SLEEP_SAVE_ARM_IDLECT2,
ARM_SLEEP_SAVE_ARM_EWUPCT,
ARM_SLEEP_SAVE_ARM_RSTCT1,
ARM_SLEEP_SAVE_ARM_RSTCT2,
ARM_SLEEP_SAVE_ARM_SYSST,
ARM_SLEEP_SAVE_SIZE
};
enum ulpd_save_state {
ULPD_SLEEP_SAVE_START = 0,
/*
* ULPD registers 16 bits
*/
ULPD_SLEEP_SAVE_ULPD_IT_STATUS,
ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL,
ULPD_SLEEP_SAVE_ULPD_SOFT_REQ,
ULPD_SLEEP_SAVE_ULPD_STATUS_REQ,
ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL,
ULPD_SLEEP_SAVE_ULPD_POWER_CTRL,
ULPD_SLEEP_SAVE_SIZE
};
enum mpui1510_save_state {
MPUI1510_SLEEP_SAVE_START = 0,
/*
* MPUI registers 32 bits
*/
MPUI1510_SLEEP_SAVE_MPUI_CTRL,
MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS,
MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
MPUI1510_SLEEP_SAVE_EMIFS_CONFIG,
MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR,
MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR,
#if defined(CONFIG_ARCH_OMAP1510)
MPUI1510_SLEEP_SAVE_SIZE
#else
MPUI1510_SLEEP_SAVE_SIZE = 0
#endif
};
enum mpui1610_save_state {
MPUI1610_SLEEP_SAVE_START = 0,
/*
* MPUI registers 32 bits
*/
MPUI1610_SLEEP_SAVE_MPUI_CTRL,
MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS,
MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
MPUI1610_SLEEP_SAVE_EMIFS_CONFIG,
MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR,
#if defined(CONFIG_ARCH_OMAP16XX)
MPUI1610_SLEEP_SAVE_SIZE
#else
MPUI1610_SLEEP_SAVE_SIZE = 0
#endif
};
#endif /* ASSEMBLER */
#endif /* __ASM_ARCH_OMAP_PM_H */
