2008-08-05 16:14:15 +01:00
|
|
|
/* arch/arm/mach-imx/include/mach/debug-macro.S
|
2008-07-05 10:02:51 +02:00
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*
|
|
|
|
*/
|
2010-10-26 09:42:54 +02:00
|
|
|
#include <mach/hardware.h>
|
2008-07-05 10:02:51 +02:00
|
|
|
|
2011-05-19 17:25:05 +02:00
|
|
|
#ifdef CONFIG_SOC_IMX1
|
2010-10-26 09:42:54 +02:00
|
|
|
#define UART_PADDR MX1_UART1_BASE_ADDR
|
2008-11-12 15:38:39 +01:00
|
|
|
#endif
|
2009-06-04 13:45:37 +02:00
|
|
|
|
2011-05-19 17:25:05 +02:00
|
|
|
#ifdef CONFIG_SOC_IMX25
|
2009-06-04 11:32:12 +02:00
|
|
|
#ifdef UART_PADDR
|
|
|
|
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
|
|
|
|
#endif
|
2010-07-16 15:09:06 +02:00
|
|
|
#define UART_PADDR MX25_UART1_BASE_ADDR
|
2009-06-04 11:32:12 +02:00
|
|
|
#endif
|
|
|
|
|
2011-05-19 17:25:05 +02:00
|
|
|
#if defined(CONFIG_SOC_IMX21) || defined (CONFIG_SOC_IMX27)
|
2009-06-04 13:45:37 +02:00
|
|
|
#ifdef UART_PADDR
|
|
|
|
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
|
2009-05-19 10:01:03 +02:00
|
|
|
#endif
|
2010-10-26 09:42:54 +02:00
|
|
|
#define UART_PADDR MX2x_UART1_BASE_ADDR
|
2009-06-02 17:24:16 -07:00
|
|
|
#endif
|
2009-06-04 13:45:37 +02:00
|
|
|
|
2011-05-19 17:25:05 +02:00
|
|
|
#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35)
|
2009-06-04 13:45:37 +02:00
|
|
|
#ifdef UART_PADDR
|
|
|
|
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
|
2009-06-03 17:23:54 -04:00
|
|
|
#endif
|
2010-10-26 09:42:54 +02:00
|
|
|
#define UART_PADDR MX3x_UART1_BASE_ADDR
|
2008-07-05 10:03:00 +02:00
|
|
|
#endif
|
2009-06-04 13:45:37 +02:00
|
|
|
|
2011-05-19 17:25:05 +02:00
|
|
|
#ifdef CONFIG_SOC_IMX51
|
2010-02-04 12:09:40 -08:00
|
|
|
#ifdef UART_PADDR
|
|
|
|
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
|
|
|
|
#endif
|
|
|
|
#define UART_PADDR MX51_UART1_BASE_ADDR
|
|
|
|
#endif
|
|
|
|
|
2010-10-26 09:42:54 +02:00
|
|
|
#define UART_VADDR IMX_IO_ADDRESS(UART_PADDR)
|
|
|
|
|
2010-07-06 18:30:06 +08:00
|
|
|
.macro addruart, rp, rv
|
|
|
|
ldr \rp, =UART_PADDR @ physical
|
|
|
|
ldr \rv, =UART_VADDR @ virtual
|
2008-07-05 10:02:51 +02:00
|
|
|
.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
|