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 13 extern s32 omap4_prmst_get_prm_dev_inst(void); 14 void 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 */ 20 extern u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx); 21 extern void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx); 22 extern u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, 23 s16 inst, u16 idx); 24 25 extern void omap4_prminst_global_warm_sw_reset(void); 26 27 extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst, 28 u16 rstctrl_offs); 29 extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst, 30 u16 rstctrl_offs); 31 int omap4_prminst_deassert_hardreset(u8 shift, u8 st_shift, u8 part, 32 s16 inst, u16 rstctrl_offs, 33 u16 rstst_offs); 34 35 extern void omap_prm_base_init(void); 36 37 #endif 38