1 files changed, 54 insertions, 0 deletions
diff --git a/libc/kernel/arch-arm/asm/arch/io.h b/libc/kernel/arch-arm/asm/arch/io.h
new file mode 100644
index 0000000..12ac3d4
--- /dev/null
+++ b/libc/kernel/arch-arm/asm/arch/io.h
@@ -0,0 +1,54 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#include <asm/hardware.h>
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
+#define __mem_pci(a) (a)
+
+#define PCIO_BASE 0
+
+#ifndef __ASSEMBLER__
+
+#define omap_readb(a) (*(volatile unsigned char *)IO_ADDRESS(a))
+#define omap_readw(a) (*(volatile unsigned short *)IO_ADDRESS(a))
+#define omap_readl(a) (*(volatile unsigned int *)IO_ADDRESS(a))
+
+#define omap_writeb(v,a) (*(volatile unsigned char *)IO_ADDRESS(a) = (v))
+#define omap_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v))
+#define omap_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v))
+
+typedef struct { volatile u16 offset[256]; } __regbase16;
+#define __REGV16(vaddr) ((__regbase16 *)((vaddr)&~0xff))   ->offset[((vaddr)&0xff)>>1]
+#define __REG16(paddr) __REGV16(io_p2v(paddr))
+
+typedef struct { volatile u8 offset[4096]; } __regbase8;
+#define __REGV8(vaddr) ((__regbase8 *)((vaddr)&~4095))   ->offset[((vaddr)&4095)>>0]
+#define __REG8(paddr) __REGV8(io_p2v(paddr))
+
+typedef struct { volatile u32 offset[4096]; } __regbase32;
+#define __REGV32(vaddr) ((__regbase32 *)((vaddr)&~4095))   ->offset[((vaddr)&4095)>>2]
+#define __REG32(paddr) __REGV32(io_p2v(paddr))
+
+#else
+
+#define __REG8(paddr) io_p2v(paddr)
+#define __REG16(paddr) io_p2v(paddr)
+#define __REG32(paddr) io_p2v(paddr)
+
+#endif
+
+#endif