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/arch/sparc/include/asm/irq.h

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/* IRQ functions
*
* (C) Copyright 2007
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __SPARC_IRQ_H__
#define __SPARC_IRQ_H__
#include <asm/psr.h>
/* Set SPARC Processor Interrupt Level */
extern inline void set_pil(unsigned int level)
{
unsigned int psr = get_psr();
put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS));
}
/* Get SPARC Processor Interrupt Level */
extern inline unsigned int get_pil(void)
{
unsigned int psr = get_psr();
return (psr & PSR_PIL) >> PSR_PIL_OFS;
}
/* Disables interrupts and return current PIL value */
extern int intLock(void);
/* Sets the PIL to oldLevel */
extern void intUnlock(int oldLevel);
#endif