u-boot/arch/arm/mach-socfpga/include/mach/reset_manager.h
Marek Vasut f2f3782ead arm: socfpga: Define NAND reset bit
Define the NAND reset bit and fix the ordering of the macros.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
2015-12-22 21:30:02 +01:00

82 lines
2.2 KiB
C

/*
* Copyright (C) 2012 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _RESET_MANAGER_H_
#define _RESET_MANAGER_H_
void reset_cpu(ulong addr);
void reset_deassert_peripherals_handoff(void);
void socfpga_bridges_reset(int enable);
void socfpga_per_reset(u32 reset, int set);
void socfpga_per_reset_all(void);
struct socfpga_reset_manager {
u32 status;
u32 ctrl;
u32 counts;
u32 padding1;
u32 mpu_mod_reset;
u32 per_mod_reset;
u32 per2_mod_reset;
u32 brg_mod_reset;
u32 misc_mod_reset;
u32 padding2[12];
u32 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_ */