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authorMaxime Ripard <maxime.ripard@free-electrons.com>2017-10-02 15:25:56 +0200
committerMaxime Ripard <maxime.ripard@free-electrons.com>2017-10-03 19:12:04 +0200
commita4dd8722fab257ff23cd63483b2926a4e197be96 (patch)
treecd425d1d9106f3e34c8c0b479e5290d82d234717 /arch/sandbox/include
parent39dd65a059e503883dbf16d4c00ac083d15837da (diff)
sandbox: Expand list of IO accessors
The setbits/clrbits/clrsetbits macros are used widely across the tree, let's provide implementation for them in the sandbox. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/sandbox/include')
-rw-r--r--arch/sandbox/include/asm/io.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index fd3c2478f7..ae6883f33d 100644
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -56,6 +56,53 @@ void outl(unsigned int value, unsigned int addr);
void outw(unsigned int value, unsigned int addr);
void outb(unsigned int value, unsigned int addr);
+#define out_arch(type,endian,a,v) write##type(cpu_to_##endian(v),a)
+#define in_arch(type,endian,a) endian##_to_cpu(read##type(a))
+
+#define out_le32(a,v) out_arch(l,le32,a,v)
+#define out_le16(a,v) out_arch(w,le16,a,v)
+
+#define in_le32(a) in_arch(l,le32,a)
+#define in_le16(a) in_arch(w,le16,a)
+
+#define out_be32(a,v) out_arch(l,be32,a,v)
+#define out_be16(a,v) out_arch(w,be16,a,v)
+
+#define in_be32(a) in_arch(l,be32,a)
+#define in_be16(a) in_arch(w,be16,a)
+
+#define out_8(a,v) writeb(v,a)
+#define in_8(a) readb(a)
+
+#define clrbits(type, addr, clear) \
+ out_##type((addr), in_##type(addr) & ~(clear))
+
+#define setbits(type, addr, set) \
+ out_##type((addr), in_##type(addr) | (set))
+
+#define clrsetbits(type, addr, clear, set) \
+ out_##type((addr), (in_##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)
+
static inline void _insw(volatile u16 *port, void *buf, int ns)
{
}