diff options
Diffstat (limited to 'include/asm-arm/arch-epxa10db/debug-macro.S')
-rw-r--r-- | include/asm-arm/arch-epxa10db/debug-macro.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-arm/arch-epxa10db/debug-macro.S b/include/asm-arm/arch-epxa10db/debug-macro.S new file mode 100644 index 00000000000..1d11c51f498 --- /dev/null +++ b/include/asm-arm/arch-epxa10db/debug-macro.S @@ -0,0 +1,41 @@ +/* linux/include/asm-arm/arch-epxa10db/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/arch/excalibur.h> +#define UART00_TYPE +#include <asm/arch/uart00.h> + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldr \rx, =EXC_UART00_BASE @ physical base address + orrne \rx, \rx, #0xff000000 @ virtual base + orrne \rx, \rx, #0x00f00000 + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #UART_TD(0)] + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #UART_TSR(0)] + and \rd, \rd, #UART_TSR_TX_LEVEL_MSK + cmp \rd, #15 + beq 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #UART_TSR(0)] + ands \rd, \rd, #UART_TSR_TX_LEVEL_MSK + bne 1001b + .endm |