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63a293e000
Some PRM functions will need to be called by the hwmod code early in kernel init. To handle this, split the PRM initialization code into early and late phases. The early init is handled via mach-omap2/io.c, while the late init is handled by subsys_initcall(). Signed-off-by: Paul Walmsley <paul@pwsan.com>
134 lines
5.1 KiB
C
134 lines
5.1 KiB
C
/*
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* OMAP2xxx Power/Reset Management (PRM) register definitions
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*
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* Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc.
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* Copyright (C) 2008-2010 Nokia Corporation
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* 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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* The PRM hardware modules on the OMAP2/3 are quite similar to each
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* other. The PRM on OMAP4 has a new register layout, and is handled
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* in a separate file.
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*/
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#ifndef __ARCH_ARM_MACH_OMAP2_PRM2XXX_H
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#define __ARCH_ARM_MACH_OMAP2_PRM2XXX_H
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#include "prcm-common.h"
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#include "prm.h"
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#include "prm2xxx_3xxx.h"
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#define OMAP2420_PRM_REGADDR(module, reg) \
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OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg))
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#define OMAP2430_PRM_REGADDR(module, reg) \
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OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg))
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/*
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* OMAP2-specific global PRM registers
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* Use __raw_{read,write}l() with these registers.
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*
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* With a few exceptions, these are the register names beginning with
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* PRCM_* on 24xx. (The exceptions are the IRQSTATUS and IRQENABLE
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* bits.)
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*
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*/
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#define OMAP2_PRCM_REVISION_OFFSET 0x0000
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#define OMAP2420_PRCM_REVISION OMAP2420_PRM_REGADDR(OCP_MOD, 0x0000)
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#define OMAP2_PRCM_SYSCONFIG_OFFSET 0x0010
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#define OMAP2420_PRCM_SYSCONFIG OMAP2420_PRM_REGADDR(OCP_MOD, 0x0010)
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#define OMAP2_PRCM_IRQSTATUS_MPU_OFFSET 0x0018
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#define OMAP2420_PRCM_IRQSTATUS_MPU OMAP2420_PRM_REGADDR(OCP_MOD, 0x0018)
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#define OMAP2_PRCM_IRQENABLE_MPU_OFFSET 0x001c
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#define OMAP2420_PRCM_IRQENABLE_MPU OMAP2420_PRM_REGADDR(OCP_MOD, 0x001c)
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#define OMAP2_PRCM_VOLTCTRL_OFFSET 0x0050
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#define OMAP2420_PRCM_VOLTCTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0050)
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#define OMAP2_PRCM_VOLTST_OFFSET 0x0054
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#define OMAP2420_PRCM_VOLTST OMAP2420_PRM_REGADDR(OCP_MOD, 0x0054)
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#define OMAP2_PRCM_CLKSRC_CTRL_OFFSET 0x0060
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#define OMAP2420_PRCM_CLKSRC_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0060)
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#define OMAP2_PRCM_CLKOUT_CTRL_OFFSET 0x0070
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#define OMAP2420_PRCM_CLKOUT_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0070)
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#define OMAP2_PRCM_CLKEMUL_CTRL_OFFSET 0x0078
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#define OMAP2420_PRCM_CLKEMUL_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0078)
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#define OMAP2_PRCM_CLKCFG_CTRL_OFFSET 0x0080
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#define OMAP2420_PRCM_CLKCFG_CTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0080)
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#define OMAP2_PRCM_CLKCFG_STATUS_OFFSET 0x0084
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#define OMAP2420_PRCM_CLKCFG_STATUS OMAP2420_PRM_REGADDR(OCP_MOD, 0x0084)
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#define OMAP2_PRCM_VOLTSETUP_OFFSET 0x0090
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#define OMAP2420_PRCM_VOLTSETUP OMAP2420_PRM_REGADDR(OCP_MOD, 0x0090)
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#define OMAP2_PRCM_CLKSSETUP_OFFSET 0x0094
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#define OMAP2420_PRCM_CLKSSETUP OMAP2420_PRM_REGADDR(OCP_MOD, 0x0094)
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#define OMAP2_PRCM_POLCTRL_OFFSET 0x0098
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#define OMAP2420_PRCM_POLCTRL OMAP2420_PRM_REGADDR(OCP_MOD, 0x0098)
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#define OMAP2430_PRCM_REVISION OMAP2430_PRM_REGADDR(OCP_MOD, 0x0000)
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#define OMAP2430_PRCM_SYSCONFIG OMAP2430_PRM_REGADDR(OCP_MOD, 0x0010)
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#define OMAP2430_PRCM_IRQSTATUS_MPU OMAP2430_PRM_REGADDR(OCP_MOD, 0x0018)
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#define OMAP2430_PRCM_IRQENABLE_MPU OMAP2430_PRM_REGADDR(OCP_MOD, 0x001c)
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#define OMAP2430_PRCM_VOLTCTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0050)
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#define OMAP2430_PRCM_VOLTST OMAP2430_PRM_REGADDR(OCP_MOD, 0x0054)
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#define OMAP2430_PRCM_CLKSRC_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0060)
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#define OMAP2430_PRCM_CLKOUT_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0070)
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#define OMAP2430_PRCM_CLKEMUL_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0078)
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#define OMAP2430_PRCM_CLKCFG_CTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0080)
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#define OMAP2430_PRCM_CLKCFG_STATUS OMAP2430_PRM_REGADDR(OCP_MOD, 0x0084)
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#define OMAP2430_PRCM_VOLTSETUP OMAP2430_PRM_REGADDR(OCP_MOD, 0x0090)
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#define OMAP2430_PRCM_CLKSSETUP OMAP2430_PRM_REGADDR(OCP_MOD, 0x0094)
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#define OMAP2430_PRCM_POLCTRL OMAP2430_PRM_REGADDR(OCP_MOD, 0x0098)
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/*
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* Module specific PRM register offsets from PRM_BASE + domain offset
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*
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* Use prm_{read,write}_mod_reg() with these registers.
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*
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* With a few exceptions, these are the register names beginning with
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* {PM,RM}_* on both OMAP2/3 SoC families.. (The exceptions are the
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* IRQSTATUS and IRQENABLE bits.)
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*/
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/* Register offsets appearing on both OMAP2 and OMAP3 */
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#define OMAP2_RM_RSTCTRL 0x0050
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#define OMAP2_RM_RSTTIME 0x0054
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#define OMAP2_RM_RSTST 0x0058
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#define OMAP2_PM_PWSTCTRL 0x00e0
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#define OMAP2_PM_PWSTST 0x00e4
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#define PM_WKEN 0x00a0
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#define PM_WKEN1 PM_WKEN
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#define PM_WKST 0x00b0
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#define PM_WKST1 PM_WKST
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#define PM_WKDEP 0x00c8
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#define PM_EVGENCTRL 0x00d4
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#define PM_EVGENONTIM 0x00d8
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#define PM_EVGENOFFTIM 0x00dc
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/* OMAP2xxx specific register offsets */
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#define OMAP24XX_PM_WKEN2 0x00a4
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#define OMAP24XX_PM_WKST2 0x00b4
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#define OMAP24XX_PRCM_IRQSTATUS_DSP 0x00f0 /* IVA mod */
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#define OMAP24XX_PRCM_IRQENABLE_DSP 0x00f4 /* IVA mod */
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#define OMAP24XX_PRCM_IRQSTATUS_IVA 0x00f8
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#define OMAP24XX_PRCM_IRQENABLE_IVA 0x00fc
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#ifndef __ASSEMBLER__
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/* Function prototypes */
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extern int omap2xxx_clkdm_sleep(struct clockdomain *clkdm);
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extern int omap2xxx_clkdm_wakeup(struct clockdomain *clkdm);
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extern void omap2xxx_prm_dpll_reset(void);
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extern int __init omap2xxx_prm_init(void);
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#endif
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#endif
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