diff options
Diffstat (limited to 'arch/arm/mach-footbridge/include/mach/debug-macro.S')
| -rw-r--r-- | arch/arm/mach-footbridge/include/mach/debug-macro.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S new file mode 100644 index 000000000000..4329b8123570 --- /dev/null +++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S @@ -0,0 +1,57 @@ +/* arch/arm/mach-footbridge/include/mach/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. + * +*/ + +#include <asm/hardware/dec21285.h> + +#ifndef CONFIG_DEBUG_DC21285_PORT + /* For NetWinder debugging */ + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0x7c000000 @ physical + movne \rx, #0xff000000 @ virtual + orr \rx, \rx, #0x000003f8 + .endm + +#define UART_SHIFT 0 +#define FLOW_CONTROL +#include <asm/hardware/debug-8250.S> + +#else + /* For EBSA285 debugging */ + .equ dc21285_high, ARMCSR_BASE & 0xff000000 + .equ dc21285_low, ARMCSR_BASE & 0x00ffffff + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0x42000000 + movne \rx, #dc21285_high + .if dc21285_low + orrne \rx, \rx, #dc21285_low + .endif + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #0x160] @ UARTDR + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x178] @ UARTFLG + tst \rd, #1 << 3 + bne 1001b + .endm + + .macro waituart,rd,rx + .endm +#endif |