u-boot/board/freescale/common/vid.h
Ying Zhang cabe4d2f19 board/freescale/common: Check IR chip mode for VID support
IR chip on all the boards are required to be used in Intel mode
to support VID. VDD will not be adjusted if IR chip is used in
other modes.

Signed-off-by: Ying Zhang <b40530@freescale.com>
Reviewed-by: York Sun <york.sun@nxp.com>
2016-01-25 12:37:03 -08:00

24 lines
581 B
C

/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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
int adjust_vdd(ulong vdd_override);
#endif /* __VID_H_ */