rt-thread-official/bsp/loongson/ls2kdev/drivers/ata/ata_interface.h

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2020-12-29 17:56:12 +08:00
/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-08-19 lizhirui first version
*/
#ifndef __ATA_INTERFACE_H__
#define __ATA_INTERFACE_H__
typedef rt_uint8_t u8;
typedef rt_uint16_t u16;
typedef rt_uint32_t u32;
typedef rt_uint64_t u64;
typedef rt_uint64_t ulong;
typedef rt_int8_t s8;
typedef rt_int16_t s16;
typedef rt_int32_t s32;
typedef rt_int64_t s64;
typedef rt_size_t lbaint_t;
#define __iomem
#define mdelay rt_thread_mdelay
#define udelay(...) rt_thread_mdelay(1)
#define cpu_to_le32
#define cpu_to_le16
#define le32_to_cpu
#define le16_to_cpu
#define flush_cache(...)
#define invalidate_dcache_range(...)
#define ARCH_DMA_MINALIGN 1024
#define CONFIG_IS_ENABLED
#define AHCI 1
#define VADDR_TO_PHY(vaddr) (((u64)vaddr) - KSEG0BASE)
#define LOW_PHY(vaddr) ((u32)VADDR_TO_PHY(vaddr))
#define HIGH_PHY(vaddr) ((u32)((VADDR_TO_PHY(vaddr)) >> 32))
#define ALIGN_1(x, a) __ALIGN_MASK((x), (typeof(x))(a)-1)
#define ALIGN_DOWN(x, a) ALIGN_1((x) - ((a)-1), (a))
#define __ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a)-1)) == 0)
#define ROUND(a, b) (((a) + (b)-1) & ~((b)-1))
#define PAD_COUNT(s, pad) (((s)-1) / (pad) + 1)
#define PAD_SIZE(s, pad) (PAD_COUNT(s, pad) * pad)
#define ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \
char __##name[ROUND(PAD_SIZE((size) * sizeof(type), pad), align) + (align - 1)]; \
\
type *name = (type *)ALIGN_1((rt_ubase_t)__##name, align)
#define ALLOC_ALIGN_BUFFER(type, name, size, align) \
ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1)
#define ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \
ALLOC_ALIGN_BUFFER_PAD(type, name, size, ARCH_DMA_MINALIGN, pad)
#define ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \
ALLOC_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN)
static inline u32 readl(void *addr)
{
return *((u32 *)addr);
}
static inline void writel(u32 data, void *addr)
{
*((u32 *)addr) = data;
}
static inline int ffs(int word)
{
int r;
if (word == 0)
{
return 0;
}
word &= (-word);
__asm__("clz %0, %1"
: "=r"(r)
: "r"(word));
return 32 - r;
}
static inline void setbits_le32(u32 *addr, u32 value)
{
*addr = value;
}
#endif