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

source code of linux/arch/arm/mach-omap2/prminst44xx.h