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| author | T Karthik Reddy <t.karthik.reddy@xilinx.com> | 2020-08-21 07:35:33 +0300 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2020-09-23 11:31:40 +0300 |
| commit | 78d844c6ac5fcbedc7f8fbe64db3ea3ad9961ebd (patch) | |
| tree | 91fed9d99c7df1dd8c284861da28aefd792d2dfb /arch/microblaze | |
| parent | 1a005b4ae45cc7bddfdaee095ec29cabea8be18a (diff) | |
| download | u-boot-78d844c6ac5fcbedc7f8fbe64db3ea3ad9961ebd.tar.xz | |
microblaze: Add support for little/big endian in/out api's
Add read/write memory utilities for 16 and 32 bits. Add these
api's for both little and big endian systems similar to arm
architecture.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/include/asm/io.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 8e6be0ae26..632bb236fb 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -50,14 +50,24 @@ #define outw(x, addr) ((void)writew(x, addr)) #define outl(x, addr) ((void)writel(x, addr)) -/* Some #definitions to keep strange Xilinx code happy */ -#define in_8(addr) readb(addr) -#define in_be16(addr) readw(addr) -#define in_be32(addr) readl(addr) +#define out_arch(type, endian, addr, x) \ + __raw_write##type(cpu_to_##endian(x), addr) +#define in_arch(type, endian, addr) \ + endian##_to_cpu(__raw_read##type(addr)) + +#define out_le16(addr, x) out_arch(w, le16, addr, x) +#define out_le32(addr, x) out_arch(l, le32, addr, x) + +#define in_le16(addr) in_arch(w, le16, addr) +#define in_le32(addr) in_arch(l, le32, addr) + +#define in_8(addr) readb(addr) +#define in_be16(addr) in_arch(w, be16, addr) +#define in_be32(addr) in_arch(l, be32, addr) #define out_8(addr, x) outb(x, addr) -#define out_be16(addr, x) outw(x, addr) -#define out_be32(addr, x) outl(x, addr) +#define out_be16(addr, x) out_arch(w, be16, addr, x) +#define out_be32(addr, x) out_arch(l, be32, addr, x) #define inb_p(port) inb((port)) #define outb_p(val, port) outb((val), (port)) |