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Paul Walmsley2ace8312010-12-21 21:05:14 -07001/*
2 * OMAP4 Power/Reset Management (PRM) function prototypes
3 *
4 * Copyright (C) 2010 Nokia Corporation
Benoit Coussoneaac3292011-07-10 05:56:31 -06005 * Copyright (C) 2011 Texas Instruments, Inc.
Paul Walmsley2ace8312010-12-21 21:05:14 -07006 * 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
Nishanth Menone3002d12014-05-22 14:53:54 -050015#define PRM_INSTANCE_UNKNOWN -1
16extern s32 omap4_prmst_get_prm_dev_inst(void);
Tero Kristo48e0c112014-09-08 11:29:43 +030017void omap4_prminst_set_prm_dev_inst(s32 dev_inst);
Nishanth Menone3002d12014-05-22 14:53:54 -050018
Paul Walmsley2ace8312010-12-21 21:05:14 -070019/*
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 */
23extern u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx);
24extern void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
25extern u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
Benoit Coussoneaac3292011-07-10 05:56:31 -060026 s16 inst, u16 idx);
Paul Walmsley2ace8312010-12-21 21:05:14 -070027
Benoit Coussone54433f2011-07-10 05:56:31 -060028extern void omap4_prminst_global_warm_sw_reset(void);
Paul Walmsley2ace8312010-12-21 21:05:14 -070029
Benoit Coussoneaac3292011-07-10 05:56:31 -060030extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
Benoit Coussone54433f2011-07-10 05:56:31 -060031 u16 rstctrl_offs);
Benoit Coussoneaac3292011-07-10 05:56:31 -060032extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
Benoit Coussone54433f2011-07-10 05:56:31 -060033 u16 rstctrl_offs);
Tero Kristo37fb59d2014-10-27 08:39:25 -070034int omap4_prminst_deassert_hardreset(u8 shift, u8 st_shift, u8 part,
35 s16 inst, u16 rstctrl_offs,
36 u16 rstst_offs);
Benoit Coussoneaac3292011-07-10 05:56:31 -060037
Paul Walmsleyd9a16f92012-10-29 20:57:39 -060038extern void omap_prm_base_init(void);
39
Paul Walmsley2ace8312010-12-21 21:05:14 -070040#endif