1/* arch/arm/mach-imx/include/mach/debug-macro.S 2 * 3 * Debugging macro include header 4 * 5 * Copyright (C) 1994-1999 Russell King 6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12 */ 13#define IMX_NEEDS_DEPRECATED_SYMBOLS 14 15#ifdef CONFIG_ARCH_MX1 16#include <mach/mx1.h> 17#define UART_PADDR UART1_BASE_ADDR 18#define UART_VADDR IO_ADDRESS(UART1_BASE_ADDR) 19#endif 20 21#ifdef CONFIG_ARCH_MX25 22#ifdef UART_PADDR 23#error "CONFIG_DEBUG_LL is incompatible with multiple archs" 24#endif 25#include <mach/mx25.h> 26#define UART_PADDR MX25_UART1_BASE_ADDR 27#define UART_VADDR MX25_AIPS1_IO_ADDRESS(MX25_UART1_BASE_ADDR) 28#endif 29 30#ifdef CONFIG_ARCH_MX2 31#ifdef UART_PADDR 32#error "CONFIG_DEBUG_LL is incompatible with multiple archs" 33#endif 34#include <mach/mx2x.h> 35#define UART_PADDR UART1_BASE_ADDR 36#define UART_VADDR AIPI_IO_ADDRESS(UART1_BASE_ADDR) 37#endif 38 39#ifdef CONFIG_ARCH_MX3 40#ifdef UART_PADDR 41#error "CONFIG_DEBUG_LL is incompatible with multiple archs" 42#endif 43#include <mach/mx3x.h> 44#define UART_PADDR UART1_BASE_ADDR 45#define UART_VADDR AIPS1_IO_ADDRESS(UART1_BASE_ADDR) 46#endif 47 48#ifdef CONFIG_ARCH_MX5 49#ifdef UART_PADDR 50#error "CONFIG_DEBUG_LL is incompatible with multiple archs" 51#endif 52#include <mach/mx51.h> 53#define UART_PADDR MX51_UART1_BASE_ADDR 54#define UART_VADDR MX51_AIPS1_IO_ADDRESS(MX51_UART1_BASE_ADDR) 55#endif 56 57#ifdef CONFIG_ARCH_MXC91231 58#ifdef UART_PADDR 59#error "CONFIG_DEBUG_LL is incompatible with multiple archs" 60#endif 61#include <mach/mxc91231.h> 62#define UART_PADDR MXC91231_UART2_BASE_ADDR 63#define UART_VADDR MXC91231_IO_ADDRESS(MXC91231_UART2_BASE_ADDR) 64#endif 65 .macro addruart, rx, tmp 66 mrc p15, 0, \rx, c1, c0 67 tst \rx, #1 @ MMU enabled? 68 ldreq \rx, =UART_PADDR @ physical 69 ldrne \rx, =UART_VADDR @ virtual 70 .endm 71 72 .macro senduart,rd,rx 73 str \rd, [\rx, #0x40] @ TXDATA 74 .endm 75 76 .macro waituart,rd,rx 77 .endm 78 79 .macro busyuart,rd,rx 801002: ldr \rd, [\rx, #0x98] @ SR2 81 tst \rd, #1 << 3 @ TXDC 82 beq 1002b @ wait until transmit done 83 .endm 84