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Diffstat (limited to 'include/asm-arm/arch-omap/pm.h')
| -rw-r--r-- | include/asm-arm/arch-omap/pm.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/pm.h b/include/asm-arm/arch-omap/pm.h new file mode 100644 index 000000000000..f209fc0953fb --- /dev/null +++ b/include/asm-arm/arch-omap/pm.h @@ -0,0 +1,229 @@ +/* + * 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 */ |