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/*
* This file is part of the coreboot 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; version 2 of the License.
*
* 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.
*/
/*
* mmio.h provides update*() as well as read/write*() from arch/mmio.h
*/
#ifndef __MMIO_H__
#define __MMIO_H__
#include <arch/mmio.h>
#include <stdint.h>
static __always_inline void update8(volatile void *addr, uint8_t mask, uint8_t or)
{
uint8_t reg = read8(addr);
reg = (reg & mask) | or;
write8(addr, reg);
}
static __always_inline void update16(volatile void *addr, uint16_t mask, uint16_t or)
{
uint16_t reg = read16(addr);
reg = (reg & mask) | or;
write16(addr, reg);
}
static __always_inline void update32(volatile void *addr, uint32_t mask, uint32_t or)
{
uint32_t reg = read32(addr);
reg = (reg & mask) | or;
write32(addr, reg);
}
#endif /* __MMIO_H__ */
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