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authorTom Rini <trini@konsulko.com>2017-09-29 08:53:53 -0400
committerSimon Glass <sjg@chromium.org>2017-11-16 18:45:05 -0700
commit35172cfee8b02e5f3b21de35255d9d80afa196a9 (patch)
treec94d9ce91ce8bf64782c2234496d2027b0e34f6a /arch/sandbox/include/asm
parent8ccc2db6e84244e5cb57885dc9dfd7e752071b98 (diff)
sandbox: Add clrbits/setbits macros
We borrow the macros for these functions from ARM and remove references to '__raw_'. Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch/sandbox/include/asm')
-rw-r--r--arch/sandbox/include/asm/io.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index ae6883f33d..59729f5635 100644
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -47,6 +47,63 @@ phys_addr_t map_to_sysmem(const void *ptr);
#define writew(v, addr) ((void)addr)
#define writel(v, addr) ((void)addr)
+/*
+ * Clear and set bits in one shot. These macros can be used to clear and
+ * set multiple bits in a register using a single call. These macros can
+ * also be used to set a multiple-bit bit pattern using a mask, by
+ * specifying the mask in the 'clear' parameter and the new bit pattern
+ * in the 'set' parameter.
+ */
+
+#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_le64(a,v) out_arch(q,le64,a,v)
+#define out_le32(a,v) out_arch(l,le32,a,v)
+#define out_le16(a,v) out_arch(w,le16,a,v)
+
+#define in_le64(a) in_arch(q,le64,a)
+#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)
+
/* I/O access functions */
int inl(unsigned int addr);
int inw(unsigned int addr);