xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-socfpga/include/mach/reset_manager.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  *  Copyright (C) 2012-2017 Altera Corporation <www.altera.com>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef _RESET_MANAGER_H_
8*4882a593Smuzhiyun #define _RESET_MANAGER_H_
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun void reset_cpu(ulong addr);
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun void socfpga_per_reset(u32 reset, int set);
13*4882a593Smuzhiyun void socfpga_per_reset_all(void);
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #if defined(CONFIG_SOCFPGA_VIRTUAL_TARGET)
16*4882a593Smuzhiyun #define RSTMGR_CTRL_SWWARMRSTREQ_LSB 2
17*4882a593Smuzhiyun #else
18*4882a593Smuzhiyun #define RSTMGR_CTRL_SWWARMRSTREQ_LSB 1
19*4882a593Smuzhiyun #endif
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun /*
22*4882a593Smuzhiyun  * Define a reset identifier, from which a permodrst bank ID
23*4882a593Smuzhiyun  * and reset ID can be extracted using the subsequent macros
24*4882a593Smuzhiyun  * RSTMGR_RESET() and RSTMGR_BANK().
25*4882a593Smuzhiyun  */
26*4882a593Smuzhiyun #define RSTMGR_BANK_OFFSET	8
27*4882a593Smuzhiyun #define RSTMGR_BANK_MASK	0x7
28*4882a593Smuzhiyun #define RSTMGR_RESET_OFFSET	0
29*4882a593Smuzhiyun #define RSTMGR_RESET_MASK	0x1f
30*4882a593Smuzhiyun #define RSTMGR_DEFINE(_bank, _offset)		\
31*4882a593Smuzhiyun 	((_bank) << RSTMGR_BANK_OFFSET) | ((_offset) << RSTMGR_RESET_OFFSET)
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun /* Extract reset ID from the reset identifier. */
34*4882a593Smuzhiyun #define RSTMGR_RESET(_reset)			\
35*4882a593Smuzhiyun 	(((_reset) >> RSTMGR_RESET_OFFSET) & RSTMGR_RESET_MASK)
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun /* Extract bank ID from the reset identifier. */
38*4882a593Smuzhiyun #define RSTMGR_BANK(_reset)			\
39*4882a593Smuzhiyun 	(((_reset) >> RSTMGR_BANK_OFFSET) & RSTMGR_BANK_MASK)
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun /* Create a human-readable reference to SoCFPGA reset. */
42*4882a593Smuzhiyun #define SOCFPGA_RESET(_name)	RSTMGR_##_name
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #if defined(CONFIG_TARGET_SOCFPGA_GEN5)
45*4882a593Smuzhiyun #include <asm/arch/reset_manager_gen5.h>
46*4882a593Smuzhiyun #elif defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
47*4882a593Smuzhiyun #include <asm/arch/reset_manager_arria10.h>
48*4882a593Smuzhiyun #endif
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun #endif /* _RESET_MANAGER_H_ */
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