2 * Copyright (C) 2012 Altera Corporation <www.altera.com>
4 * SPDX-License-Identifier: GPL-2.0+
7 #ifndef _RESET_MANAGER_H_
8 #define _RESET_MANAGER_H_
10 void reset_cpu(ulong addr);
11 void reset_deassert_peripherals_handoff(void);
13 void socfpga_bridges_reset(int enable);
15 void socfpga_per_reset(u32 reset, int set);
17 void socfpga_emac_reset(int enable);
18 void socfpga_watchdog_reset(void);
19 void socfpga_spim_enable(void);
20 void socfpga_uart0_enable(void);
21 void socfpga_sdram_enable(void);
22 void socfpga_osc1timer_enable(void);
24 struct socfpga_reset_manager {
37 #if defined(CONFIG_SOCFPGA_VIRTUAL_TARGET)
38 #define RSTMGR_CTRL_SWWARMRSTREQ_LSB 2
40 #define RSTMGR_CTRL_SWWARMRSTREQ_LSB 1
44 * Define a reset identifier, from which a permodrst bank ID
45 * and reset ID can be extracted using the subsequent macros
46 * RSTMGR_RESET() and RSTMGR_BANK().
48 #define RSTMGR_BANK_OFFSET 8
49 #define RSTMGR_BANK_MASK 0x7
50 #define RSTMGR_RESET_OFFSET 0
51 #define RSTMGR_RESET_MASK 0x1f
52 #define RSTMGR_DEFINE(_bank, _offset) \
53 ((_bank) << RSTMGR_BANK_OFFSET) | ((_offset) << RSTMGR_RESET_OFFSET)
55 /* Extract reset ID from the reset identifier. */
56 #define RSTMGR_RESET(_reset) \
57 (((_reset) >> RSTMGR_RESET_OFFSET) & RSTMGR_RESET_MASK)
59 /* Extract bank ID from the reset identifier. */
60 #define RSTMGR_BANK(_reset) \
61 (((_reset) >> RSTMGR_BANK_OFFSET) & RSTMGR_BANK_MASK)
64 * SocFPGA Cyclone V/Arria V reset IDs, bank mapping is as follows:
71 #define RSTMGR_EMAC0 RSTMGR_DEFINE(1, 0)
72 #define RSTMGR_EMAC1 RSTMGR_DEFINE(1, 1)
73 #define RSTMGR_L4WD0 RSTMGR_DEFINE(1, 6)
74 #define RSTMGR_OSC1TIMER0 RSTMGR_DEFINE(1, 8)
75 #define RSTMGR_UART0 RSTMGR_DEFINE(1, 16)
76 #define RSTMGR_SPIM0 RSTMGR_DEFINE(1, 18)
77 #define RSTMGR_SPIM1 RSTMGR_DEFINE(1, 19)
78 #define RSTMGR_SDR RSTMGR_DEFINE(1, 29)
80 /* Create a human-readable reference to SoCFPGA reset. */
81 #define SOCFPGA_RESET(_name) RSTMGR_##_name
83 #endif /* _RESET_MANAGER_H_ */