u-boot/board/LaCie/net2big_v2/net2big_v2.h
Simon Guinot 2af4d0f49f net2big_v2: initialize I2C fan at startup
This patch ensures minimal cooling for the net2big_v2 by automatically
starting the I2C fan (GMT G762) at low speed (2800 RPM).

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Acked-by: Prafulla Wadaskar <prafulla@marvell.com>
2013-06-20 14:01:23 +05:30

40 lines
1.2 KiB
C

/*
* Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
*
* Based on Kirkwood support:
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef NET2BIG_V2_H
#define NET2BIG_V2_H
/* GPIO configuration */
#define NET2BIG_V2_OE_LOW 0x0600E000
#define NET2BIG_V2_OE_HIGH 0x00000134
#define NET2BIG_V2_OE_VAL_LOW 0x10030000
#define NET2BIG_V2_OE_VAL_HIGH 0x00000000
/* Buttons */
#define NET2BIG_V2_GPIO_PUSH_BUTTON 34
/* GMT G762 registers (I2C fan controller) */
#define G762_REG_SET_CNT 0x00
#define G762_REG_SET_OUT 0x03
#define G762_REG_FAN_CMD1 0x04
#endif /* NET2BIG_V2_H */