dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-10-31 18:35:42 +01:00
Code Issues Packages Projects Releases Wiki Activity

x86: Add clr/setbits functions

Browse Source 
These are available on other architectures. Make them available on x86 also.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2014-11-12 22:42:17 -07:00
parent 378a8634ad
commit 3f70a6f577
1 changed files with 49 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
arch/x86/include/asm/io.h
View File

@@ -69,6 +69,55 @@
#define memcpy_fromio(a,b,c) memcpy((a),(b),(c))
#define memcpy_toio(a,b,c) memcpy((a),(b),(c))
#define write_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a)
#define read_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a))
#define write_le64(a, v) write_arch(q, le64, a, v)
#define write_le32(a, v) write_arch(l, le32, a, v)
#define write_le16(a, v) write_arch(w, le16, a, v)
#define read_le64(a) read_arch(q, le64, a)
#define read_le32(a) read_arch(l, le32, a)
#define read_le16(a) read_arch(w, le16, a)
#define write_be32(a, v) write_arch(l, be32, a, v)
#define write_be16(a, v) write_arch(w, be16, a, v)
#define read_be32(a) read_arch(l, be32, a)
#define read_be16(a) read_arch(w, be16, a)
#define write_8(a, v) __raw_writeb(v, a)
#define read_8(a) __raw_readb(a)
#define clrbits(type, addr, clear) \
write_##type((addr), read_##type(addr) & ~(clear))
#define setbits(type, addr, set) \
write_##type((addr), read_##type(addr) | (set))
#define clrsetbits(type, addr, clear, set) \
write_##type((addr), (read_##type(addr) & ~(clear)) | (set))
#define clrbits_be32(addr, clear) clrbits(be32, addr, clear)
#define setbits_be32(addr, set) setbits(be32, addr, set)
#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
#define clrbits_le32(addr, clear) clrbits(le32, addr, clear)
#define setbits_le32(addr, set) setbits(le32, addr, set)
#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
#define clrbits_be16(addr, clear) clrbits(be16, addr, clear)
#define setbits_be16(addr, set) setbits(be16, addr, set)
#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
#define clrbits_le16(addr, clear) clrbits(le16, addr, clear)
#define setbits_le16(addr, set) setbits(le16, addr, set)
#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set)
#define clrbits_8(addr, clear) clrbits(8, addr, clear)
#define setbits_8(addr, set) setbits(8, addr, set)
#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
/*
* ISA space is 'always mapped' on a typical x86 system, no need to
* explicitly ioremap() it. The fact that the ISA IO space is mapped