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/* arch/arm/mach-imx/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.
*
*/
#ifdef CONFIG_ARCH_MX1
#include <mach/mx1.h>
#define UART_PADDR UART1_BASE_ADDR
#define UART_VADDR IO_ADDRESS(UART1_BASE_ADDR)
#endif
#ifdef CONFIG_ARCH_MX2
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#include <mach/mx2x.h>
#define UART_PADDR UART1_BASE_ADDR
#define UART_VADDR AIPI_IO_ADDRESS(UART1_BASE_ADDR)
#endif
#ifdef CONFIG_ARCH_MX3
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#include <mach/mx3x.h>
#define UART_PADDR UART1_BASE_ADDR
#define UART_VADDR AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
#endif
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
ldreq \rx, =UART_PADDR @ physical
ldrne \rx, =UART_VADDR @ virtual
.endm
.macro senduart,rd,rx
str \rd, [\rx, #0x40] @ TXDATA
.endm
.macro waituart,rd,rx
.endm
.macro busyuart,rd,rx
1002: ldr \rd, [\rx, #0x98] @ SR2
tst \rd, #1 << 3 @ TXDC
beq 1002b @ wait until transmit done
.endm
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