490 lines
18 KiB
C
490 lines
18 KiB
C
#ifndef __ARCH_ASM_MACH_OMAP2_PRCM_COMMON_H
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#define __ARCH_ASM_MACH_OMAP2_PRCM_COMMON_H
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/*
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* OMAP2/3 PRCM base and module definitions
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*
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* Copyright (C) 2007-2009, 2011 Texas Instruments, Inc.
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* Copyright (C) 2007-2009 Nokia Corporation
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*
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* Written by Paul Walmsley
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/* Module offsets from both CM_BASE & PRM_BASE */
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/*
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* Offsets that are the same on 24xx and 34xx
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*
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* Technically, in terms of the TRM, OCP_MOD is 34xx only; PLL_MOD is
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* CCR_MOD on 3430; and GFX_MOD only exists < 3430ES2.
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*/
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#define OCP_MOD 0x000
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#define MPU_MOD 0x100
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#define CORE_MOD 0x200
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#define GFX_MOD 0x300
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#define WKUP_MOD 0x400
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#define PLL_MOD 0x500
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/* Chip-specific module offsets */
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#define OMAP24XX_GR_MOD OCP_MOD
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#define OMAP24XX_DSP_MOD 0x800
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#define OMAP2430_MDM_MOD 0xc00
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/* IVA2 module is < base on 3430 */
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#define OMAP3430_IVA2_MOD -0x800
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#define OMAP3430ES2_SGX_MOD GFX_MOD
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#define OMAP3430_CCR_MOD PLL_MOD
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#define OMAP3430_DSS_MOD 0x600
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#define OMAP3430_CAM_MOD 0x700
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#define OMAP3430_PER_MOD 0x800
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#define OMAP3430_EMU_MOD 0x900
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#define OMAP3430_GR_MOD 0xa00
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#define OMAP3430_NEON_MOD 0xb00
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#define OMAP3430ES2_USBHOST_MOD 0xc00
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/* 24XX register bits shared between CM & PRM registers */
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/* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
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#define OMAP2420_EN_MMC_SHIFT 26
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#define OMAP2420_EN_MMC_MASK (1 << 26)
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#define OMAP24XX_EN_UART2_SHIFT 22
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#define OMAP24XX_EN_UART2_MASK (1 << 22)
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#define OMAP24XX_EN_UART1_SHIFT 21
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#define OMAP24XX_EN_UART1_MASK (1 << 21)
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#define OMAP24XX_EN_MCSPI2_SHIFT 18
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#define OMAP24XX_EN_MCSPI2_MASK (1 << 18)
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#define OMAP24XX_EN_MCSPI1_SHIFT 17
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#define OMAP24XX_EN_MCSPI1_MASK (1 << 17)
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#define OMAP24XX_EN_MCBSP2_SHIFT 16
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#define OMAP24XX_EN_MCBSP2_MASK (1 << 16)
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#define OMAP24XX_EN_MCBSP1_SHIFT 15
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#define OMAP24XX_EN_MCBSP1_MASK (1 << 15)
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#define OMAP24XX_EN_GPT12_SHIFT 14
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#define OMAP24XX_EN_GPT12_MASK (1 << 14)
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#define OMAP24XX_EN_GPT11_SHIFT 13
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#define OMAP24XX_EN_GPT11_MASK (1 << 13)
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#define OMAP24XX_EN_GPT10_SHIFT 12
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#define OMAP24XX_EN_GPT10_MASK (1 << 12)
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#define OMAP24XX_EN_GPT9_SHIFT 11
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#define OMAP24XX_EN_GPT9_MASK (1 << 11)
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#define OMAP24XX_EN_GPT8_SHIFT 10
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#define OMAP24XX_EN_GPT8_MASK (1 << 10)
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#define OMAP24XX_EN_GPT7_SHIFT 9
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#define OMAP24XX_EN_GPT7_MASK (1 << 9)
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#define OMAP24XX_EN_GPT6_SHIFT 8
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#define OMAP24XX_EN_GPT6_MASK (1 << 8)
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#define OMAP24XX_EN_GPT5_SHIFT 7
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#define OMAP24XX_EN_GPT5_MASK (1 << 7)
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#define OMAP24XX_EN_GPT4_SHIFT 6
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#define OMAP24XX_EN_GPT4_MASK (1 << 6)
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#define OMAP24XX_EN_GPT3_SHIFT 5
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#define OMAP24XX_EN_GPT3_MASK (1 << 5)
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#define OMAP24XX_EN_GPT2_SHIFT 4
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#define OMAP24XX_EN_GPT2_MASK (1 << 4)
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#define OMAP2420_EN_VLYNQ_SHIFT 3
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#define OMAP2420_EN_VLYNQ_MASK (1 << 3)
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/* CM_FCLKEN2_CORE, CM_ICLKEN2_CORE, PM_WKEN2_CORE shared bits */
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#define OMAP2430_EN_GPIO5_SHIFT 10
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#define OMAP2430_EN_GPIO5_MASK (1 << 10)
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#define OMAP2430_EN_MCSPI3_SHIFT 9
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#define OMAP2430_EN_MCSPI3_MASK (1 << 9)
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#define OMAP2430_EN_MMCHS2_SHIFT 8
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#define OMAP2430_EN_MMCHS2_MASK (1 << 8)
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#define OMAP2430_EN_MMCHS1_SHIFT 7
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#define OMAP2430_EN_MMCHS1_MASK (1 << 7)
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#define OMAP24XX_EN_UART3_SHIFT 2
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#define OMAP24XX_EN_UART3_MASK (1 << 2)
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#define OMAP24XX_EN_USB_SHIFT 0
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#define OMAP24XX_EN_USB_MASK (1 << 0)
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/* CM_ICLKEN2_CORE, PM_WKEN2_CORE shared bits */
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#define OMAP2430_EN_MDM_INTC_SHIFT 11
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#define OMAP2430_EN_MDM_INTC_MASK (1 << 11)
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#define OMAP2430_EN_USBHS_SHIFT 6
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#define OMAP2430_EN_USBHS_MASK (1 << 6)
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/* CM_IDLEST1_CORE, PM_WKST1_CORE shared bits */
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#define OMAP2420_ST_MMC_SHIFT 26
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#define OMAP2420_ST_MMC_MASK (1 << 26)
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#define OMAP24XX_ST_UART2_SHIFT 22
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#define OMAP24XX_ST_UART2_MASK (1 << 22)
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#define OMAP24XX_ST_UART1_SHIFT 21
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#define OMAP24XX_ST_UART1_MASK (1 << 21)
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#define OMAP24XX_ST_MCSPI2_SHIFT 18
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#define OMAP24XX_ST_MCSPI2_MASK (1 << 18)
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#define OMAP24XX_ST_MCSPI1_SHIFT 17
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#define OMAP24XX_ST_MCSPI1_MASK (1 << 17)
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#define OMAP24XX_ST_MCBSP2_SHIFT 16
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#define OMAP24XX_ST_MCBSP2_MASK (1 << 16)
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#define OMAP24XX_ST_MCBSP1_SHIFT 15
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#define OMAP24XX_ST_MCBSP1_MASK (1 << 15)
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#define OMAP24XX_ST_GPT12_SHIFT 14
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#define OMAP24XX_ST_GPT12_MASK (1 << 14)
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#define OMAP24XX_ST_GPT11_SHIFT 13
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#define OMAP24XX_ST_GPT11_MASK (1 << 13)
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#define OMAP24XX_ST_GPT10_SHIFT 12
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#define OMAP24XX_ST_GPT10_MASK (1 << 12)
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#define OMAP24XX_ST_GPT9_SHIFT 11
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#define OMAP24XX_ST_GPT9_MASK (1 << 11)
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#define OMAP24XX_ST_GPT8_SHIFT 10
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#define OMAP24XX_ST_GPT8_MASK (1 << 10)
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#define OMAP24XX_ST_GPT7_SHIFT 9
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#define OMAP24XX_ST_GPT7_MASK (1 << 9)
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#define OMAP24XX_ST_GPT6_SHIFT 8
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#define OMAP24XX_ST_GPT6_MASK (1 << 8)
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#define OMAP24XX_ST_GPT5_SHIFT 7
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#define OMAP24XX_ST_GPT5_MASK (1 << 7)
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#define OMAP24XX_ST_GPT4_SHIFT 6
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#define OMAP24XX_ST_GPT4_MASK (1 << 6)
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#define OMAP24XX_ST_GPT3_SHIFT 5
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#define OMAP24XX_ST_GPT3_MASK (1 << 5)
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#define OMAP24XX_ST_GPT2_SHIFT 4
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#define OMAP24XX_ST_GPT2_MASK (1 << 4)
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#define OMAP2420_ST_VLYNQ_SHIFT 3
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#define OMAP2420_ST_VLYNQ_MASK (1 << 3)
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/* CM_IDLEST2_CORE, PM_WKST2_CORE shared bits */
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#define OMAP2430_ST_MDM_INTC_SHIFT 11
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#define OMAP2430_ST_MDM_INTC_MASK (1 << 11)
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#define OMAP2430_ST_GPIO5_SHIFT 10
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#define OMAP2430_ST_GPIO5_MASK (1 << 10)
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#define OMAP2430_ST_MCSPI3_SHIFT 9
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#define OMAP2430_ST_MCSPI3_MASK (1 << 9)
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#define OMAP2430_ST_MMCHS2_SHIFT 8
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#define OMAP2430_ST_MMCHS2_MASK (1 << 8)
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#define OMAP2430_ST_MMCHS1_SHIFT 7
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#define OMAP2430_ST_MMCHS1_MASK (1 << 7)
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#define OMAP2430_ST_USBHS_SHIFT 6
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#define OMAP2430_ST_USBHS_MASK (1 << 6)
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#define OMAP24XX_ST_UART3_SHIFT 2
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#define OMAP24XX_ST_UART3_MASK (1 << 2)
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#define OMAP24XX_ST_USB_SHIFT 0
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#define OMAP24XX_ST_USB_MASK (1 << 0)
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/* CM_FCLKEN_WKUP, CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
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#define OMAP24XX_EN_GPIOS_SHIFT 2
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#define OMAP24XX_EN_GPIOS_MASK (1 << 2)
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#define OMAP24XX_EN_GPT1_SHIFT 0
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#define OMAP24XX_EN_GPT1_MASK (1 << 0)
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/* PM_WKST_WKUP, CM_IDLEST_WKUP shared bits */
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#define OMAP24XX_ST_GPIOS_SHIFT 2
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#define OMAP24XX_ST_GPIOS_MASK (1 << 2)
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#define OMAP24XX_ST_GPT1_SHIFT 0
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#define OMAP24XX_ST_GPT1_MASK (1 << 0)
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/* CM_IDLEST_MDM and PM_WKST_MDM shared bits */
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#define OMAP2430_ST_MDM_SHIFT 0
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#define OMAP2430_ST_MDM_MASK (1 << 0)
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/* 3430 register bits shared between CM & PRM registers */
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/* CM_REVISION, PRM_REVISION shared bits */
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#define OMAP3430_REV_SHIFT 0
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#define OMAP3430_REV_MASK (0xff << 0)
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/* CM_SYSCONFIG, PRM_SYSCONFIG shared bits */
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#define OMAP3430_AUTOIDLE_MASK (1 << 0)
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/* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
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#define OMAP3430_EN_MMC3_MASK (1 << 30)
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#define OMAP3430_EN_MMC3_SHIFT 30
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#define OMAP3430_EN_MMC2_MASK (1 << 25)
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#define OMAP3430_EN_MMC2_SHIFT 25
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#define OMAP3430_EN_MMC1_MASK (1 << 24)
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#define OMAP3430_EN_MMC1_SHIFT 24
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#define OMAP3430_EN_UART4_MASK (1 << 23)
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#define OMAP3430_EN_UART4_SHIFT 23
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#define OMAP3430_EN_MCSPI4_MASK (1 << 21)
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#define OMAP3430_EN_MCSPI4_SHIFT 21
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#define OMAP3430_EN_MCSPI3_MASK (1 << 20)
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#define OMAP3430_EN_MCSPI3_SHIFT 20
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#define OMAP3430_EN_MCSPI2_MASK (1 << 19)
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#define OMAP3430_EN_MCSPI2_SHIFT 19
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#define OMAP3430_EN_MCSPI1_MASK (1 << 18)
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#define OMAP3430_EN_MCSPI1_SHIFT 18
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#define OMAP3430_EN_I2C3_MASK (1 << 17)
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#define OMAP3430_EN_I2C3_SHIFT 17
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#define OMAP3430_EN_I2C2_MASK (1 << 16)
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#define OMAP3430_EN_I2C2_SHIFT 16
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#define OMAP3430_EN_I2C1_MASK (1 << 15)
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#define OMAP3430_EN_I2C1_SHIFT 15
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#define OMAP3430_EN_UART2_MASK (1 << 14)
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#define OMAP3430_EN_UART2_SHIFT 14
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#define OMAP3430_EN_UART1_MASK (1 << 13)
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#define OMAP3430_EN_UART1_SHIFT 13
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#define OMAP3430_EN_GPT11_MASK (1 << 12)
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#define OMAP3430_EN_GPT11_SHIFT 12
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#define OMAP3430_EN_GPT10_MASK (1 << 11)
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#define OMAP3430_EN_GPT10_SHIFT 11
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#define OMAP3430_EN_MCBSP5_MASK (1 << 10)
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#define OMAP3430_EN_MCBSP5_SHIFT 10
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#define OMAP3430_EN_MCBSP1_MASK (1 << 9)
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#define OMAP3430_EN_MCBSP1_SHIFT 9
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#define OMAP3430_EN_FSHOSTUSB_MASK (1 << 5)
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#define OMAP3430_EN_FSHOSTUSB_SHIFT 5
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#define OMAP3430_EN_D2D_MASK (1 << 3)
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#define OMAP3430_EN_D2D_SHIFT 3
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/* CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
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#define OMAP3430_EN_HSOTGUSB_MASK (1 << 4)
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#define OMAP3430_EN_HSOTGUSB_SHIFT 4
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/* PM_WKST1_CORE, CM_IDLEST1_CORE shared bits */
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#define OMAP3430_ST_MMC3_SHIFT 30
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#define OMAP3430_ST_MMC3_MASK (1 << 30)
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#define OMAP3430_ST_MMC2_SHIFT 25
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#define OMAP3430_ST_MMC2_MASK (1 << 25)
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#define OMAP3430_ST_MMC1_SHIFT 24
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#define OMAP3430_ST_MMC1_MASK (1 << 24)
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#define OMAP3430_ST_MCSPI4_SHIFT 21
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#define OMAP3430_ST_MCSPI4_MASK (1 << 21)
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#define OMAP3430_ST_MCSPI3_SHIFT 20
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#define OMAP3430_ST_MCSPI3_MASK (1 << 20)
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#define OMAP3430_ST_MCSPI2_SHIFT 19
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#define OMAP3430_ST_MCSPI2_MASK (1 << 19)
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#define OMAP3430_ST_MCSPI1_SHIFT 18
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#define OMAP3430_ST_MCSPI1_MASK (1 << 18)
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#define OMAP3430_ST_I2C3_SHIFT 17
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#define OMAP3430_ST_I2C3_MASK (1 << 17)
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#define OMAP3430_ST_I2C2_SHIFT 16
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#define OMAP3430_ST_I2C2_MASK (1 << 16)
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#define OMAP3430_ST_I2C1_SHIFT 15
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#define OMAP3430_ST_I2C1_MASK (1 << 15)
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#define OMAP3430_ST_UART2_SHIFT 14
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#define OMAP3430_ST_UART2_MASK (1 << 14)
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#define OMAP3430_ST_UART1_SHIFT 13
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#define OMAP3430_ST_UART1_MASK (1 << 13)
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#define OMAP3430_ST_GPT11_SHIFT 12
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#define OMAP3430_ST_GPT11_MASK (1 << 12)
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#define OMAP3430_ST_GPT10_SHIFT 11
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#define OMAP3430_ST_GPT10_MASK (1 << 11)
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#define OMAP3430_ST_MCBSP5_SHIFT 10
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#define OMAP3430_ST_MCBSP5_MASK (1 << 10)
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#define OMAP3430_ST_MCBSP1_SHIFT 9
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#define OMAP3430_ST_MCBSP1_MASK (1 << 9)
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#define OMAP3430ES1_ST_FSHOSTUSB_SHIFT 5
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#define OMAP3430ES1_ST_FSHOSTUSB_MASK (1 << 5)
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#define OMAP3430ES1_ST_HSOTGUSB_SHIFT 4
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#define OMAP3430ES1_ST_HSOTGUSB_MASK (1 << 4)
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#define OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT 5
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#define OMAP3430ES2_ST_HSOTGUSB_IDLE_MASK (1 << 5)
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#define OMAP3430ES2_ST_HSOTGUSB_STDBY_SHIFT 4
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#define OMAP3430ES2_ST_HSOTGUSB_STDBY_MASK (1 << 4)
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#define OMAP3430_ST_D2D_SHIFT 3
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#define OMAP3430_ST_D2D_MASK (1 << 3)
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/* CM_FCLKEN_WKUP, CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
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#define OMAP3430_EN_GPIO1_MASK (1 << 3)
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#define OMAP3430_EN_GPIO1_SHIFT 3
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#define OMAP3430_EN_GPT12_MASK (1 << 1)
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#define OMAP3430_EN_GPT12_SHIFT 1
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#define OMAP3430_EN_GPT1_MASK (1 << 0)
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#define OMAP3430_EN_GPT1_SHIFT 0
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/* CM_FCLKEN_WKUP, PM_WKEN_WKUP shared bits */
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#define OMAP3430_EN_SR2_MASK (1 << 7)
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#define OMAP3430_EN_SR2_SHIFT 7
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#define OMAP3430_EN_SR1_MASK (1 << 6)
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#define OMAP3430_EN_SR1_SHIFT 6
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/* CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
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#define OMAP3430_EN_GPT12_MASK (1 << 1)
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#define OMAP3430_EN_GPT12_SHIFT 1
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/* CM_IDLEST_WKUP, PM_WKST_WKUP shared bits */
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#define OMAP3430_ST_SR2_SHIFT 7
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#define OMAP3430_ST_SR2_MASK (1 << 7)
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#define OMAP3430_ST_SR1_SHIFT 6
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#define OMAP3430_ST_SR1_MASK (1 << 6)
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#define OMAP3430_ST_GPIO1_SHIFT 3
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#define OMAP3430_ST_GPIO1_MASK (1 << 3)
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#define OMAP3430_ST_GPT12_SHIFT 1
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#define OMAP3430_ST_GPT12_MASK (1 << 1)
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#define OMAP3430_ST_GPT1_SHIFT 0
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#define OMAP3430_ST_GPT1_MASK (1 << 0)
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/*
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* CM_SLEEPDEP_GFX, CM_SLEEPDEP_DSS, CM_SLEEPDEP_CAM,
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* CM_SLEEPDEP_PER, PM_WKDEP_IVA2, PM_WKDEP_GFX,
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* PM_WKDEP_DSS, PM_WKDEP_CAM, PM_WKDEP_PER, PM_WKDEP_NEON shared bits
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*/
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#define OMAP3430_EN_MPU_MASK (1 << 1)
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#define OMAP3430_EN_MPU_SHIFT 1
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/* CM_FCLKEN_PER, CM_ICLKEN_PER, PM_WKEN_PER shared bits */
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#define OMAP3630_EN_UART4_MASK (1 << 18)
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#define OMAP3630_EN_UART4_SHIFT 18
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#define OMAP3430_EN_GPIO6_MASK (1 << 17)
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#define OMAP3430_EN_GPIO6_SHIFT 17
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#define OMAP3430_EN_GPIO5_MASK (1 << 16)
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#define OMAP3430_EN_GPIO5_SHIFT 16
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#define OMAP3430_EN_GPIO4_MASK (1 << 15)
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#define OMAP3430_EN_GPIO4_SHIFT 15
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#define OMAP3430_EN_GPIO3_MASK (1 << 14)
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#define OMAP3430_EN_GPIO3_SHIFT 14
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#define OMAP3430_EN_GPIO2_MASK (1 << 13)
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#define OMAP3430_EN_GPIO2_SHIFT 13
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#define OMAP3430_EN_UART3_MASK (1 << 11)
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#define OMAP3430_EN_UART3_SHIFT 11
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#define OMAP3430_EN_GPT9_MASK (1 << 10)
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#define OMAP3430_EN_GPT9_SHIFT 10
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#define OMAP3430_EN_GPT8_MASK (1 << 9)
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#define OMAP3430_EN_GPT8_SHIFT 9
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#define OMAP3430_EN_GPT7_MASK (1 << 8)
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#define OMAP3430_EN_GPT7_SHIFT 8
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#define OMAP3430_EN_GPT6_MASK (1 << 7)
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#define OMAP3430_EN_GPT6_SHIFT 7
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#define OMAP3430_EN_GPT5_MASK (1 << 6)
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#define OMAP3430_EN_GPT5_SHIFT 6
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#define OMAP3430_EN_GPT4_MASK (1 << 5)
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#define OMAP3430_EN_GPT4_SHIFT 5
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#define OMAP3430_EN_GPT3_MASK (1 << 4)
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#define OMAP3430_EN_GPT3_SHIFT 4
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#define OMAP3430_EN_GPT2_MASK (1 << 3)
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#define OMAP3430_EN_GPT2_SHIFT 3
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/* CM_FCLKEN_PER, CM_ICLKEN_PER, PM_WKEN_PER, PM_WKST_PER shared bits */
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/* XXX Possible TI documentation bug: should the PM_WKST_PER EN_* bits
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* be ST_* bits instead? */
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#define OMAP3430_EN_MCBSP4_MASK (1 << 2)
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#define OMAP3430_EN_MCBSP4_SHIFT 2
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#define OMAP3430_EN_MCBSP3_MASK (1 << 1)
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#define OMAP3430_EN_MCBSP3_SHIFT 1
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#define OMAP3430_EN_MCBSP2_MASK (1 << 0)
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#define OMAP3430_EN_MCBSP2_SHIFT 0
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/* CM_IDLEST_PER, PM_WKST_PER shared bits */
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#define OMAP3630_ST_UART4_SHIFT 18
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#define OMAP3630_ST_UART4_MASK (1 << 18)
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#define OMAP3430_ST_GPIO6_SHIFT 17
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#define OMAP3430_ST_GPIO6_MASK (1 << 17)
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#define OMAP3430_ST_GPIO5_SHIFT 16
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#define OMAP3430_ST_GPIO5_MASK (1 << 16)
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#define OMAP3430_ST_GPIO4_SHIFT 15
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#define OMAP3430_ST_GPIO4_MASK (1 << 15)
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#define OMAP3430_ST_GPIO3_SHIFT 14
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#define OMAP3430_ST_GPIO3_MASK (1 << 14)
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#define OMAP3430_ST_GPIO2_SHIFT 13
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#define OMAP3430_ST_GPIO2_MASK (1 << 13)
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#define OMAP3430_ST_UART3_SHIFT 11
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#define OMAP3430_ST_UART3_MASK (1 << 11)
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#define OMAP3430_ST_GPT9_SHIFT 10
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#define OMAP3430_ST_GPT9_MASK (1 << 10)
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#define OMAP3430_ST_GPT8_SHIFT 9
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#define OMAP3430_ST_GPT8_MASK (1 << 9)
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#define OMAP3430_ST_GPT7_SHIFT 8
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#define OMAP3430_ST_GPT7_MASK (1 << 8)
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#define OMAP3430_ST_GPT6_SHIFT 7
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#define OMAP3430_ST_GPT6_MASK (1 << 7)
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#define OMAP3430_ST_GPT5_SHIFT 6
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#define OMAP3430_ST_GPT5_MASK (1 << 6)
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#define OMAP3430_ST_GPT4_SHIFT 5
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#define OMAP3430_ST_GPT4_MASK (1 << 5)
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#define OMAP3430_ST_GPT3_SHIFT 4
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#define OMAP3430_ST_GPT3_MASK (1 << 4)
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#define OMAP3430_ST_GPT2_SHIFT 3
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#define OMAP3430_ST_GPT2_MASK (1 << 3)
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/* CM_SLEEPDEP_PER, PM_WKDEP_IVA2, PM_WKDEP_MPU, PM_WKDEP_PER shared bits */
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#define OMAP3430_EN_CORE_SHIFT 0
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#define OMAP3430_EN_CORE_MASK (1 << 0)
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/*
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* MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP
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* submodule to exit hardreset
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*/
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#define MAX_MODULE_HARDRESET_WAIT 10000
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# ifndef __ASSEMBLER__
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extern void __iomem *prm_base;
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extern void __iomem *cm_base;
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extern void __iomem *cm2_base;
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/**
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* struct omap_prcm_irq - describes a PRCM interrupt bit
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* @name: a short name describing the interrupt type, e.g. "wkup" or "io"
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* @offset: the bit shift of the interrupt inside the IRQ{ENABLE,STATUS} regs
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* @priority: should this interrupt be handled before @priority=false IRQs?
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*
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* Describes interrupt bits inside the PRM_IRQ{ENABLE,STATUS}_MPU* registers.
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* On systems with multiple PRM MPU IRQ registers, the bitfields read from
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* the registers are concatenated, so @offset could be > 31 on these systems -
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* see omap_prm_irq_handler() for more details. I/O ring interrupts should
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* have @priority set to true.
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*/
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struct omap_prcm_irq {
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const char *name;
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unsigned int offset;
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bool priority;
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};
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/**
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* struct omap_prcm_irq_setup - PRCM interrupt controller details
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* @ack: PRM register offset for the first PRM_IRQSTATUS_MPU register
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* @mask: PRM register offset for the first PRM_IRQENABLE_MPU register
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* @nr_regs: number of PRM_IRQ{STATUS,ENABLE}_MPU* registers
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* @nr_irqs: number of entries in the @irqs array
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* @irqs: ptr to an array of PRCM interrupt bits (see @nr_irqs)
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* @irq: MPU IRQ asserted when a PRCM interrupt arrives
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* @read_pending_irqs: fn ptr to determine if any PRCM IRQs are pending
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* @ocp_barrier: fn ptr to force buffered PRM writes to complete
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* @save_and_clear_irqen: fn ptr to save and clear IRQENABLE regs
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* @restore_irqen: fn ptr to save and clear IRQENABLE regs
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* @saved_mask: IRQENABLE regs are saved here during suspend
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* @priority_mask: 1 bit per IRQ, set to 1 if omap_prcm_irq.priority = true
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* @base_irq: base dynamic IRQ number, returned from irq_alloc_descs() in init
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* @suspended: set to true after Linux suspend code has called our ->prepare()
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* @suspend_save_flag: set to true after IRQ masks have been saved and disabled
|
|
*
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|
* @saved_mask, @priority_mask, @base_irq, @suspended, and
|
|
* @suspend_save_flag are populated dynamically, and are not to be
|
|
* specified in static initializers.
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*/
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|
struct omap_prcm_irq_setup {
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|
u16 ack;
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|
u16 mask;
|
|
u8 nr_regs;
|
|
u8 nr_irqs;
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|
const struct omap_prcm_irq *irqs;
|
|
int irq;
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|
void (*read_pending_irqs)(unsigned long *events);
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|
void (*ocp_barrier)(void);
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|
void (*save_and_clear_irqen)(u32 *saved_mask);
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|
void (*restore_irqen)(u32 *saved_mask);
|
|
u32 *saved_mask;
|
|
u32 *priority_mask;
|
|
int base_irq;
|
|
bool suspended;
|
|
bool suspend_save_flag;
|
|
};
|
|
|
|
/* OMAP_PRCM_IRQ: convenience macro for creating struct omap_prcm_irq records */
|
|
#define OMAP_PRCM_IRQ(_name, _offset, _priority) { \
|
|
.name = _name, \
|
|
.offset = _offset, \
|
|
.priority = _priority \
|
|
}
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|
|
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extern void omap_prcm_irq_cleanup(void);
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|
extern int omap_prcm_register_chain_handler(
|
|
struct omap_prcm_irq_setup *irq_setup);
|
|
extern int omap_prcm_event_to_irq(const char *event);
|
|
extern void omap_prcm_irq_prepare(void);
|
|
extern void omap_prcm_irq_complete(void);
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# endif
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#endif
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