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Thomas Gleixnerd2912cb2019-06-04 10:11:33 +02001/* SPDX-License-Identifier: GPL-2.0-only */
Paul Walmsley2ace8312010-12-21 21:05:14 -07002/*
3 * OMAP4 Power/Reset Management (PRM) function prototypes
4 *
5 * Copyright (C) 2010 Nokia Corporation
Benoit Coussoneaac3292011-07-10 05:56:31 -06006 * Copyright (C) 2011 Texas Instruments, Inc.
Paul Walmsley2ace8312010-12-21 21:05:14 -07007 * Paul Walmsley
Paul Walmsley2ace8312010-12-21 21:05:14 -07008 */
9#ifndef __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
10#define __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
11
Nishanth Menone3002d12014-05-22 14:53:54 -050012#define PRM_INSTANCE_UNKNOWN -1
13extern s32 omap4_prmst_get_prm_dev_inst(void);
Tero Kristo48e0c112014-09-08 11:29:43 +030014void omap4_prminst_set_prm_dev_inst(s32 dev_inst);
Nishanth Menone3002d12014-05-22 14:53:54 -050015
Paul Walmsley2ace8312010-12-21 21:05:14 -070016/*
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,
Benoit Coussoneaac3292011-07-10 05:56:31 -060023 s16 inst, u16 idx);
Paul Walmsley2ace8312010-12-21 21:05:14 -070024
Benoit Coussone54433f2011-07-10 05:56:31 -060025extern void omap4_prminst_global_warm_sw_reset(void);
Paul Walmsley2ace8312010-12-21 21:05:14 -070026
Benoit Coussoneaac3292011-07-10 05:56:31 -060027extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
Benoit Coussone54433f2011-07-10 05:56:31 -060028 u16 rstctrl_offs);
Benoit Coussoneaac3292011-07-10 05:56:31 -060029extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
Benoit Coussone54433f2011-07-10 05:56:31 -060030 u16 rstctrl_offs);
Tero Kristo37fb59d2014-10-27 08:39:25 -070031int omap4_prminst_deassert_hardreset(u8 shift, u8 st_shift, u8 part,
32 s16 inst, u16 rstctrl_offs,
33 u16 rstst_offs);
Benoit Coussoneaac3292011-07-10 05:56:31 -060034
Paul Walmsleyd9a16f92012-10-29 20:57:39 -060035extern void omap_prm_base_init(void);
36
Paul Walmsley2ace8312010-12-21 21:05:14 -070037#endif