arch/arm/mach-omap2/prminst44xx.h

   1 /*
   2  * OMAP4 Power/Reset Management (PRM) function prototypes
   3  *
   4  * Copyright (C) 2010 Nokia Corporation
   5  * Copyright (C) 2011 Texas Instruments, Inc.
   6  * Paul Walmsley
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12 #ifndef __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
  13 #define __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
  14
  15 #define PRM_INSTANCE_UNKNOWN    -1
  16 extern s32 omap4_prmst_get_prm_dev_inst(void);
  17 void omap4_prminst_set_prm_dev_inst(s32 dev_inst);
  18
  19 /*
  20  * In an ideal world, we would not export these low-level functions,
  21  * but this will probably take some time to fix properly
  22  */
  23 extern u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx);
  24 extern void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
  25 extern u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
  26                                            s16 inst, u16 idx);
  27
  28 extern void omap4_prminst_global_warm_sw_reset(void);
  29
  30 extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
  31                                                u16 rstctrl_offs);
  32 extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
  33                                           u16 rstctrl_offs);
  34 int omap4_prminst_deassert_hardreset(u8 shift, u8 st_shift, u8 part,
  35                                      s16 inst, u16 rstctrl_offs,
  36                                      u16 rstst_offs);
  37
  38 extern void omap_prm_base_init(void);
  39
  40 #endif