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Xtensa port: Removed duplicate file and renamed to sys_io.h as other platforms.

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Change-Id: I293bfa9ff8c5e641c727612c56968cec901dbfec
Signed-off-by: Mazen NEIFER <mazen@nestwave.com>
This commit is contained in:
Mazen NEIFER 2017-01-31 11:17:02 +01:00 • committed by Andrew Boie
commit aacfd63331
3 changed files with 3 additions and 114 deletions
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113
include/arch/xtensa/sys_io.h Normal file
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/*
* Copyright (c) 2016 Cadence Design Systems, Inc.
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef XTENSA_SYS_IO_H
#define XTENSA_SYS_IO_H
#if !defined(_ASMLANGUAGE)
#include <sys_io.h>
/* Memory mapped registers I/O functions */
static ALWAYS_INLINE uint32_t sys_read32(mem_addr_t addr)
{
return *(volatile uint32_t *)addr;
}
static ALWAYS_INLINE void sys_write32(uint32_t data, mem_addr_t addr)
{
*(volatile uint32_t *)addr = data;
}
/* Memory bit manipulation functions */
static ALWAYS_INLINE void sys_set_bit(mem_addr_t addr, unsigned int bit)
{
uint32_t temp = *(volatile uint32_t *)addr;
*(volatile uint32_t *)addr = temp | (1 << bit);
}
static ALWAYS_INLINE void sys_clear_bit(mem_addr_t addr, unsigned int bit)
{
uint32_t temp = *(volatile uint32_t *)addr;
*(volatile uint32_t *)addr = temp & ~(1 << bit);
}
static ALWAYS_INLINE int sys_test_bit(mem_addr_t addr, unsigned int bit)
{
int temp = *(volatile int *)addr;
return (int)(temp & (1 << bit));
}
static ALWAYS_INLINE int sys_test_and_set_bit(mem_addr_t addr, unsigned int bit)
{
int retval = (*(volatile int *)addr) & (1 << bit);
*(volatile int *)addr = (*(volatile int *)addr) | (1 << bit);
return retval;
}
static ALWAYS_INLINE
int sys_test_and_clear_bit(mem_addr_t addr, unsigned int bit)
{
int retval = (*(volatile int *)addr) & (1 << bit);
*(volatile int *)addr = (*(volatile int *)addr) & ~(1 << bit);
return retval;
}
static ALWAYS_INLINE
void sys_bitfield_set_bit(mem_addr_t addr, unsigned int bit)
{
/* Doing memory offsets in terms of 32-bit values to prevent
* alignment issues
*/
sys_set_bit(addr + ((bit >> 5) << 2), bit & 0x1F);
}
static ALWAYS_INLINE
void sys_bitfield_clear_bit(mem_addr_t addr, unsigned int bit)
{
sys_clear_bit(addr + ((bit >> 5) << 2), bit & 0x1F);
}
static ALWAYS_INLINE
int sys_bitfield_test_bit(mem_addr_t addr, unsigned int bit)
{
return sys_test_bit(addr + ((bit >> 5) << 2), bit & 0x1F);
}
static ALWAYS_INLINE
int sys_bitfield_test_and_set_bit(mem_addr_t addr, unsigned int bit)
{
int ret;
ret = sys_bitfield_test_bit(addr, bit);
sys_bitfield_set_bit(addr, bit);
return ret;
}
static ALWAYS_INLINE
int sys_bitfield_test_and_clear_bit(mem_addr_t addr, unsigned int bit)
{
int ret;
ret = sys_bitfield_test_bit(addr, bit);
sys_bitfield_clear_bit(addr, bit);
return ret;
}
#endif /* !_ASMLANGUAGE */
#endif /* XTENSA_SYS_IO_H */