LXR linux/arch/arm/mach-omap2/prminst44xx.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * OMAP4 Power/Reset Management (PRM) function prototypes
   4 *
   5 * Copyright (C) 2010 Nokia Corporation
   6 * Copyright (C) 2011 Texas Instruments, Inc.
   7 * Paul Walmsley
   8 */
   9#ifndef __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
  10#define __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
  11
  12#define PRM_INSTANCE_UNKNOWN    -1
  13extern s32 omap4_prmst_get_prm_dev_inst(void);
  14void omap4_prminst_set_prm_dev_inst(s32 dev_inst);
  15
  16/*
  17 * In an ideal world, we would not export these low-level functions,
  18 * but this will probably take some time to fix properly
  19 */
  20extern u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx);
  21extern void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
  22extern u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
  23                                           s16 inst, u16 idx);
  24
  25extern void omap4_prminst_global_warm_sw_reset(void);
  26
  27extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
  28                                               u16 rstctrl_offs);
  29extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
  30                                          u16 rstctrl_offs);
  31int omap4_prminst_deassert_hardreset(u8 shift, u8 st_shift, u8 part,
  32                                     s16 inst, u16 rstctrl_offs,
  33                                     u16 rstst_offs);
  34
  35extern void omap_prm_base_init(void);
  36
  37#endif
  38