From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/arm/mach-omap2/cm2xxx.h | 70 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 arch/arm/mach-omap2/cm2xxx.h (limited to 'arch/arm/mach-omap2/cm2xxx.h') diff --git a/arch/arm/mach-omap2/cm2xxx.h b/arch/arm/mach-omap2/cm2xxx.h new file mode 100644 index 000000000..7b8c79c0c --- /dev/null +++ b/arch/arm/mach-omap2/cm2xxx.h @@ -0,0 +1,70 @@ +/* + * OMAP2xxx Clock Management (CM) register definitions + * + * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc. + * Copyright (C) 2007-2010 Nokia Corporation + * Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * The CM hardware modules on the OMAP2/3 are quite similar to each + * other. The CM modules/instances on OMAP4 are quite different, so + * they are handled in a separate file. + */ +#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_H +#define __ARCH_ASM_MACH_OMAP2_CM2XXX_H + +#include "prcm-common.h" +#include "cm2xxx_3xxx.h" + +#define OMAP2420_CM_REGADDR(module, reg) \ + OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg)) +#define OMAP2430_CM_REGADDR(module, reg) \ + OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg)) + +/* + * Module specific CM register offsets from CM_BASE + domain offset + * Use cm_{read,write}_mod_reg() with these registers. + * These register offsets generally appear in more than one PRCM submodule. + */ + +/* OMAP2-specific register offsets */ + +#define OMAP24XX_CM_FCLKEN2 0x0004 +#define OMAP24XX_CM_ICLKEN4 0x001c +#define OMAP24XX_CM_AUTOIDLE4 0x003c +#define OMAP24XX_CM_IDLEST4 0x002c + +/* CM_IDLEST bit field values to indicate deasserted IdleReq */ + +#define OMAP24XX_CM_IDLEST_VAL 0 + + +/* Clock management domain register get/set */ + +#ifndef __ASSEMBLER__ + +extern void omap2xxx_cm_set_dpll_disable_autoidle(void); +extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void); + +extern void omap2xxx_cm_set_apll54_disable_autoidle(void); +extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); +extern void omap2xxx_cm_set_apll96_disable_autoidle(void); +extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); + +int omap2xxx_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_id, + u8 idlest_shift); +extern int omap2xxx_cm_fclks_active(void); +extern int omap2xxx_cm_mpu_retention_allowed(void); +extern u32 omap2xxx_cm_get_core_clk_src(void); +extern u32 omap2xxx_cm_get_core_pll_config(void); +extern void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core, + u32 mdm); + +int __init omap2xxx_cm_init(const struct omap_prcm_init_data *data); + +#endif + +#endif -- cgit v1.2.3-54-g00ecf