mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 00:48:52 +09:00
![Jean-Jacques Hiblot](/assets/img/avatar_default.png)
Turning off the USB clocks may take longer than 100us. Increase the timeout to 100ms. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* (C) Copyright 2012-2014
|
|
* Texas Instruments Incorporated, <www.ti.com>
|
|
*/
|
|
#ifndef _PSC_DEFS_H_
|
|
#define _PSC_DEFS_H_
|
|
|
|
#include <asm/arch/hardware.h>
|
|
|
|
/*
|
|
* FILE PURPOSE: Local Power Sleep Controller definitions
|
|
*
|
|
* FILE NAME: psc_defs.h
|
|
*
|
|
* DESCRIPTION: Provides local definitions for the power saver controller
|
|
*
|
|
*/
|
|
|
|
/* Register offsets */
|
|
#define PSC_REG_PTCMD 0x120
|
|
#define PSC_REG_PSTAT 0x128
|
|
#define PSC_REG_PDSTAT(x) (0x200 + (4 * (x)))
|
|
#define PSC_REG_PDCTL(x) (0x300 + (4 * (x)))
|
|
#define PSC_REG_MDCFG(x) (0x600 + (4 * (x)))
|
|
#define PSC_REG_MDSTAT(x) (0x800 + (4 * (x)))
|
|
#define PSC_REG_MDCTL(x) (0xa00 + (4 * (x)))
|
|
|
|
|
|
static inline u32 _boot_bit_mask(u32 x, u32 y)
|
|
{
|
|
u32 val = (1 << (x - y + 1)) - 1;
|
|
return val << y;
|
|
}
|
|
|
|
static inline u32 boot_read_bitfield(u32 z, u32 x, u32 y)
|
|
{
|
|
u32 val = z & _boot_bit_mask(x, y);
|
|
return val >> y;
|
|
}
|
|
|
|
static inline u32 boot_set_bitfield(u32 z, u32 f, u32 x, u32 y)
|
|
{
|
|
u32 mask = _boot_bit_mask(x, y);
|
|
|
|
return (z & ~mask) | ((f << y) & mask);
|
|
}
|
|
|
|
/* PDCTL */
|
|
#define PSC_REG_PDCTL_SET_NEXT(x, y) boot_set_bitfield((x), (y), 0, 0)
|
|
#define PSC_REG_PDCTL_SET_PDMODE(x, y) boot_set_bitfield((x), (y), 15, 12)
|
|
|
|
/* PDSTAT */
|
|
#define PSC_REG_PDSTAT_GET_STATE(x) boot_read_bitfield((x), 4, 0)
|
|
|
|
/* MDCFG */
|
|
#define PSC_REG_MDCFG_GET_PD(x) boot_read_bitfield((x), 20, 16)
|
|
#define PSC_REG_MDCFG_GET_RESET_ISO(x) boot_read_bitfield((x), 14, 14)
|
|
|
|
/* MDCTL */
|
|
#define PSC_REG_MDCTL_SET_NEXT(x, y) boot_set_bitfield((x), (y), 4, 0)
|
|
#define PSC_REG_MDCTL_SET_LRSTZ(x, y) boot_set_bitfield((x), (y), 8, 8)
|
|
#define PSC_REG_MDCTL_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
|
|
#define PSC_REG_MDCTL_SET_RESET_ISO(x, y) boot_set_bitfield((x), (y), \
|
|
12, 12)
|
|
|
|
/* MDSTAT */
|
|
#define PSC_REG_MDSTAT_GET_STATUS(x) boot_read_bitfield((x), 5, 0)
|
|
#define PSC_REG_MDSTAT_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
|
|
#define PSC_REG_MDSTAT_GET_LRSTDONE(x) boot_read_bitfield((x), 9, 9)
|
|
#define PSC_REG_MDSTAT_GET_MRSTZ(x) boot_read_bitfield((x), 10, 10)
|
|
#define PSC_REG_MDSTAT_GET_MRSTDONE(x) boot_read_bitfield((x), 11, 11)
|
|
|
|
/* PDCTL states */
|
|
#define PSC_REG_VAL_PDCTL_NEXT_ON 1
|
|
#define PSC_REG_VAL_PDCTL_NEXT_OFF 0
|
|
|
|
#define PSC_REG_VAL_PDCTL_PDMODE_SLEEP 0
|
|
|
|
/* MDCTL states */
|
|
#define PSC_REG_VAL_MDCTL_NEXT_SWRSTDISABLE 0
|
|
#define PSC_REG_VAL_MDCTL_NEXT_OFF 2
|
|
#define PSC_REG_VAL_MDCTL_NEXT_ON 3
|
|
|
|
/* MDSTAT states */
|
|
#define PSC_REG_VAL_MDSTAT_STATE_ON 3
|
|
#define PSC_REG_VAL_MDSTAT_STATE_ENABLE_IN_PROG 0x24
|
|
#define PSC_REG_VAL_MDSTAT_STATE_OFF 2
|
|
#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG1 0x20
|
|
#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG2 0x21
|
|
#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG3 0x22
|
|
|
|
/*
|
|
* Timeout limit on checking PTSTAT. This is the number of times the
|
|
* wait function will be called before giving up.
|
|
*/
|
|
#define PSC_PTSTAT_TIMEOUT_LIMIT 100000
|
|
|
|
u32 psc_get_domain_num(u32 mod_num);
|
|
int psc_enable_module(u32 mod_num);
|
|
int psc_disable_module(u32 mod_num);
|
|
int psc_disable_domain(u32 domain_num);
|
|
int psc_module_keep_in_reset_enabled(u32 mod_num, bool gate_clocks);
|
|
int psc_module_release_from_reset(u32 mod_num);
|
|
|
|
#endif /* _PSC_DEFS_H_ */
|