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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
|
|
