upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/buffalo/lsxl/lsxl.h

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/*
* Copyright (c) 2012 Michael Walle
* Michael Walle <michael@walle.cc>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef __LSXL_H
#define __LSXL_H
#define GPIO_HDD_POWER 10
#define GPIO_USB_VBUS 11
#define GPIO_FAN_HIGH 18
#define GPIO_FAN_LOW 19
#define GPIO_FUNC_LED 36
#define GPIO_ALARM_LED 37
#define GPIO_INFO_LED 38
#define GPIO_POWER_LED 39
#define GPIO_FAN_LOCK 40
#define GPIO_FUNC_BUTTON 41
#define GPIO_POWER_SWITCH 42
#define GPIO_POWER_AUTO_SWITCH 43
#define GPIO_FUNC_RED_LED 48
#define _BIT(x) (1<<(x))
#define LSXL_OE_LOW (~(_BIT(GPIO_HDD_POWER) \
| _BIT(GPIO_USB_VBUS) \
| _BIT(GPIO_FAN_HIGH) \
| _BIT(GPIO_FAN_LOW)))
#define LSXL_OE_HIGH (~(_BIT(GPIO_FUNC_LED - 32) \
| _BIT(GPIO_ALARM_LED - 32) \
| _BIT(GPIO_INFO_LED - 32) \
| _BIT(GPIO_POWER_LED - 32) \
| _BIT(GPIO_FUNC_RED_LED - 32)))
#define LSXL_OE_VAL_LOW (_BIT(GPIO_HDD_POWER) \
| _BIT(GPIO_USB_VBUS))
#define LSXL_OE_VAL_HIGH (_BIT(GPIO_FUNC_LED - 32) \
| _BIT(GPIO_ALARM_LED - 32) \
| _BIT(GPIO_INFO_LED - 32) \
| _BIT(GPIO_POWER_LED - 32) \
| _BIT(GPIO_FUNC_RED_LED - 32))
#define LSXL_POL_VAL_LOW (_BIT(GPIO_FAN_HIGH) \
| _BIT(GPIO_FAN_LOW))
#define LSXL_POL_VAL_HIGH (_BIT(GPIO_FUNC_LED - 32) \
| _BIT(GPIO_ALARM_LED - 32) \
| _BIT(GPIO_INFO_LED - 32) \
| _BIT(GPIO_POWER_LED - 32) \
| _BIT(GPIO_FUNC_BUTTON - 32) \
| _BIT(GPIO_POWER_SWITCH - 32) \
| _BIT(GPIO_POWER_AUTO_SWITCH - 32) \
| _BIT(GPIO_FUNC_RED_LED - 32))
#endif /* __LSXL_H */