u-boot/board/freescale/common/vid.h
Biwen Li 026703174a board/freescale/vid: enables writes to all commands for LTC3882
Enable writes to all commands for LTC3882

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-10-23 16:52:09 +05:30

42 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2014 Freescale Semiconductor, Inc.
*/
#ifndef __VID_H_
#define __VID_H_
#define IR36021_LOOP1_MANUAL_ID_OFFSET 0x6A
#define IR36021_LOOP1_VOUT_OFFSET 0x9A
#define IR36021_MFR_ID_OFFSET 0x92
#define IR36021_MFR_ID 0x43
#define IR36021_INTEL_MODE_OOFSET 0x14
#define IR36021_MODE_MASK 0x20
#define IR36021_INTEL_MODE 0x00
#define IR36021_AMD_MODE 0x20
/* step the IR regulator in 5mV increments */
#define IR_VDD_STEP_DOWN 5
#define IR_VDD_STEP_UP 5
/* LTC3882 */
#define PMBUS_CMD_WRITE_PROTECT 0x10
/*
* WRITE_PROTECT command supported values
* 0x80: Disable all writes except WRITE_PROTECT, PAGE,
* STORE_USER_ALL and MFR_EE_UNLOCK commands.
* 0x40: Disable all writes except WRITE_PROTECT, PAGE, STORE_USER_ALL,
* MFR_EE_UNLOCK, OPERATION, CLEAR_PEAKS and CLEAR_FAULTS commands.
* Individual faults can also be cleared by writing a 1 to the
* respective status bit.
* 0x20: Disable all writes except WRITE_PROTECT, PAGE, STORE_USER_ ALL,
* MFR_EE_UNLOCK, OPERATION, CLEAR_PEAKS, CLEAR_FAULTS, ON_OFF_CONFIG
* and VOUT_COMMAND commands. Individual faults can be cleared by
* writing a 1 to the respective status bit.
* 0x00: Enables write to all commands
*/
#define EN_WRITE_ALL_CMD (0)
int adjust_vdd(ulong vdd_override);
#endif /* __VID_H_ */