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- /*
- * 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.
- *
- */
- #define UART_DATA 0
- #define UART_FLAG 0x18
- #define UART_FLAG_BUSY (1 << 3)
- .macro addruart, rp, rv, tmp
- ldr \rp, =CONFIG_DEBUG_UART_PHYS
- ldr \rv, =CONFIG_DEBUG_UART_VIRT
- .endm
- .macro senduart,rd,rx
- str \rd, [\rx, #UART_DATA]
- .endm
- .macro busyuart,rd,rx
- 1002: ldr \rd, [\rx, #UART_FLAG]
- tst \rd, #UART_FLAG_BUSY
- bne 1002b
- .endm
- .macro waituart,rd,rx
- 1001: ldr \rd, [\rx, #UART_FLAG]
- tst \rd, #UART_FLAG_BUSY
- bne 1001b
- .endm
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