summaryrefslogtreecommitdiff
path: root/include/linux/mtd/cfi_endian.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/mtd/cfi_endian.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/linux/mtd/cfi_endian.h')
-rw-r--r--include/linux/mtd/cfi_endian.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/include/linux/mtd/cfi_endian.h b/include/linux/mtd/cfi_endian.h
new file mode 100644
index 000000000000..25724f7d3867
--- /dev/null
+++ b/include/linux/mtd/cfi_endian.h
@@ -0,0 +1,57 @@
+/*
+ * $Id: cfi_endian.h,v 1.11 2002/01/30 23:20:48 awozniak Exp $
+ *
+ */
+
+#include <asm/byteorder.h>
+
+#ifndef CONFIG_MTD_CFI_ADV_OPTIONS
+
+#define CFI_HOST_ENDIAN
+
+#else
+
+#ifdef CONFIG_MTD_CFI_NOSWAP
+#define CFI_HOST_ENDIAN
+#endif
+
+#ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP
+#define CFI_LITTLE_ENDIAN
+#endif
+
+#ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP
+#define CFI_BIG_ENDIAN
+#endif
+
+#endif
+
+#if defined(CFI_LITTLE_ENDIAN)
+#define cpu_to_cfi8(x) (x)
+#define cfi8_to_cpu(x) (x)
+#define cpu_to_cfi16(x) cpu_to_le16(x)
+#define cpu_to_cfi32(x) cpu_to_le32(x)
+#define cpu_to_cfi64(x) cpu_to_le64(x)
+#define cfi16_to_cpu(x) le16_to_cpu(x)
+#define cfi32_to_cpu(x) le32_to_cpu(x)
+#define cfi64_to_cpu(x) le64_to_cpu(x)
+#elif defined (CFI_BIG_ENDIAN)
+#define cpu_to_cfi8(x) (x)
+#define cfi8_to_cpu(x) (x)
+#define cpu_to_cfi16(x) cpu_to_be16(x)
+#define cpu_to_cfi32(x) cpu_to_be32(x)
+#define cpu_to_cfi64(x) cpu_to_be64(x)
+#define cfi16_to_cpu(x) be16_to_cpu(x)
+#define cfi32_to_cpu(x) be32_to_cpu(x)
+#define cfi64_to_cpu(x) be64_to_cpu(x)
+#elif defined (CFI_HOST_ENDIAN)
+#define cpu_to_cfi8(x) (x)
+#define cfi8_to_cpu(x) (x)
+#define cpu_to_cfi16(x) (x)
+#define cpu_to_cfi32(x) (x)
+#define cpu_to_cfi64(x) (x)
+#define cfi16_to_cpu(x) (x)
+#define cfi32_to_cpu(x) (x)
+#define cfi64_to_cpu(x) (x)
+#else
+#error No CFI endianness defined
+#endif