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
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
2.8 KiB
133 lines
2.8 KiB
21 years ago
|
/*
|
||
|
|
* (C) Copyright 2003, Li-Pro.Net <www.li-pro.net>
|
||
|
|
* Stephan Linz <linz@li-pro.net>
|
||
|
|
*
|
||
|
|
* 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., 59 Temple Place, Suite 330, Boston,
|
||
|
|
* MA 02111-1307 USA
|
||
|
|
*
|
||
|
|
* asm-nios/status_led.h
|
||
|
|
*
|
||
|
|
* NIOS PIO based status led support functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ASM_STATUS_LED_H__
|
||
|
|
#define __ASM_STATUS_LED_H__
|
||
|
|
|
||
|
|
#include <nios-io.h>
|
||
|
|
|
||
|
|
/* led_id_t is unsigned int mask */
|
||
|
|
typedef unsigned int led_id_t;
|
||
|
|
|
||
|
|
#ifdef STATUS_LED_WRONLY /* emulate read access */
|
||
|
|
static led_id_t __led_portval = 0;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline void __led_init (led_id_t mask, int state)
|
||
|
|
{
|
||
|
|
nios_pio_t *piop = (nios_pio_t*)STATUS_LED_BASE;
|
||
|
|
|
||
|
|
#ifdef STATUS_LED_WRONLY /* emulate read access */
|
||
|
|
|
||
|
|
#if (STATUS_LED_ACTIVE == 0)
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
__led_portval &= ~mask;
|
||
|
|
else
|
||
|
|
__led_portval |= mask;
|
||
|
|
#else
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
__led_portval |= mask;
|
||
|
|
else
|
||
|
|
__led_portval &= ~mask;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
piop->data = __led_portval;
|
||
|
|
|
||
|
|
#else /* !STATUS_LED_WRONLY */
|
||
|
|
|
||
|
|
#if (STATUS_LED_ACTIVE == 0)
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
piop->data &= ~mask;
|
||
|
|
else
|
||
|
|
piop->data |= mask;
|
||
|
|
#else
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
piop->data |= mask;
|
||
|
|
else
|
||
|
|
piop->data &= ~mask;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
piop->direction |= mask;
|
||
|
|
|
||
|
|
#endif /* STATUS_LED_WRONLY */
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void __led_toggle (led_id_t mask)
|
||
|
|
{
|
||
|
|
nios_pio_t *piop = (nios_pio_t*)STATUS_LED_BASE;
|
||
|
|
|
||
|
|
#ifdef STATUS_LED_WRONLY /* emulate read access */
|
||
|
|
|
||
|
|
__led_portval ^= mask;
|
||
|
|
piop->data = __led_portval;
|
||
|
|
|
||
|
|
#else /* !STATUS_LED_WRONLY */
|
||
|
|
|
||
|
|
piop->data ^= mask;
|
||
|
|
|
||
|
|
#endif /* STATUS_LED_WRONLY */
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void __led_set (led_id_t mask, int state)
|
||
|
|
{
|
||
|
|
nios_pio_t *piop = (nios_pio_t*)STATUS_LED_BASE;
|
||
|
|
|
||
|
|
#ifdef STATUS_LED_WRONLY /* emulate read access */
|
||
|
|
|
||
|
|
#if (STATUS_LED_ACTIVE == 0)
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
__led_portval &= ~mask;
|
||
|
|
else
|
||
|
|
__led_portval |= mask;
|
||
|
|
#else
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
__led_portval |= mask;
|
||
|
|
else
|
||
|
|
__led_portval &= ~mask;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
piop->data = __led_portval;
|
||
|
|
|
||
|
|
#else /* !STATUS_LED_WRONLY */
|
||
|
|
|
||
|
|
#if (STATUS_LED_ACTIVE == 0)
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
piop->data &= ~mask;
|
||
|
|
else
|
||
|
|
piop->data |= mask;
|
||
|
|
#else
|
||
|
|
if (state == STATUS_LED_ON)
|
||
|
|
piop->data |= mask;
|
||
|
|
else
|
||
|
|
piop->data &= ~mask;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* STATUS_LED_WRONLY */
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __ASM_STATUS_LED_H__ */
|