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fpga_reset_manager.h
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fpga_reset_manager.h
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/*
* Copyright (C) 2012 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _RESET_MANAGER_H_
#define _RESET_MANAGER_H_
struct socfpga_reset_manager {
uint32_t status;
uint32_t ctrl;
uint32_t counts;
uint32_t padding1;
uint32_t mpu_mod_reset;
uint32_t per_mod_reset;
uint32_t per2_mod_reset;
uint32_t brg_mod_reset;
uint32_t misc_mod_reset;
uint32_t padding2[12];
uint32_t tstscratch;
};
#if defined(CONFIG_SOCFPGA_VIRTUAL_TARGET)
#define RSTMGR_CTRL_SWWARMRSTREQ_LSB 2
#else
#define RSTMGR_CTRL_SWWARMRSTREQ_LSB 1
#endif
/*
* Define a reset identifier, from which a permodrst bank ID
* and reset ID can be extracted using the subsequent macros
* RSTMGR_RESET() and RSTMGR_BANK().
*/
#define RSTMGR_BANK_OFFSET 8
#define RSTMGR_BANK_MASK 0x7
#define RSTMGR_RESET_OFFSET 0
#define RSTMGR_RESET_MASK 0x1f
#define RSTMGR_DEFINE(_bank, _offset) \
((_bank) << RSTMGR_BANK_OFFSET) | ((_offset) << RSTMGR_RESET_OFFSET)
/* Extract reset ID from the reset identifier. */
#define RSTMGR_RESET(_reset) \
(((_reset) >> RSTMGR_RESET_OFFSET) & RSTMGR_RESET_MASK)
/* Extract bank ID from the reset identifier. */
#define RSTMGR_BANK(_reset) \
(((_reset) >> RSTMGR_BANK_OFFSET) & RSTMGR_BANK_MASK)
/*
* SocFPGA Cyclone V/Arria V reset IDs, bank mapping is as follows:
* 0 ... mpumodrst
* 1 ... permodrst
* 2 ... per2modrst
* 3 ... brgmodrst
* 4 ... miscmodrst
*/
#define RSTMGR_EMAC0 RSTMGR_DEFINE(1, 0)
#define RSTMGR_EMAC1 RSTMGR_DEFINE(1, 1)
#define RSTMGR_NAND RSTMGR_DEFINE(1, 4)
#define RSTMGR_QSPI RSTMGR_DEFINE(1, 5)
#define RSTMGR_L4WD0 RSTMGR_DEFINE(1, 6)
#define RSTMGR_OSC1TIMER0 RSTMGR_DEFINE(1, 8)
#define RSTMGR_UART0 RSTMGR_DEFINE(1, 16)
#define RSTMGR_SPIM0 RSTMGR_DEFINE(1, 18)
#define RSTMGR_SPIM1 RSTMGR_DEFINE(1, 19)
#define RSTMGR_SDMMC RSTMGR_DEFINE(1, 22)
#define RSTMGR_DMA RSTMGR_DEFINE(1, 28)
#define RSTMGR_SDR RSTMGR_DEFINE(1, 29)
/* Create a human-readable reference to SoCFPGA reset. */
#define SOCFPGA_RESET(_name) RSTMGR_##_name
#endif /* _RESET_MANAGER_H_ */