diff options
Diffstat (limited to 'include/asm-arm/arch-pxa/debug-macro.S')
| -rw-r--r-- | include/asm-arm/arch-pxa/debug-macro.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/debug-macro.S b/include/asm-arm/arch-pxa/debug-macro.S new file mode 100644 index 000000000000..f288e74b67c2 --- /dev/null +++ b/include/asm-arm/arch-pxa/debug-macro.S @@ -0,0 +1,36 @@ +/* linux/include/asm-arm/arch-pxa/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0x40000000 @ physical + movne \rx, #io_p2v(0x40000000) @ virtual + orr \rx, \rx, #0x00100000 + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #0] + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #0x14] + tst \rd, #(1 << 6) + beq 1002b + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #0x14] + tst \rd, #(1 << 5) + beq 1001b + .endm |