1 /* arch/arm/mach-imx/include/mach/debug-macro.S
3 * Debugging macro include header
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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.
14 #ifdef CONFIG_ARCH_MX1
16 #define UART_PADDR UART1_BASE_ADDR
17 #define UART_VADDR IO_ADDRESS(UART1_BASE_ADDR)
20 #ifdef CONFIG_ARCH_MX25
22 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
24 #include <mach/mx25.h>
25 #define UART_PADDR UART1_BASE_ADDR
26 #define UART_VADDR MX25_AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
29 #ifdef CONFIG_ARCH_MX2
31 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
33 #include <mach/mx2x.h>
34 #define UART_PADDR UART1_BASE_ADDR
35 #define UART_VADDR AIPI_IO_ADDRESS(UART1_BASE_ADDR)
38 #ifdef CONFIG_ARCH_MX3
40 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
42 #include <mach/mx3x.h>
43 #define UART_PADDR UART1_BASE_ADDR
44 #define UART_VADDR AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
47 #ifdef CONFIG_ARCH_MXC91231
49 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
51 #include <mach/mxc91231.h>
52 #define UART_PADDR MXC91231_UART2_BASE_ADDR
53 #define UART_VADDR MXC91231_AIPS1_IO_ADDRESS(MXC91231_UART2_BASE_ADDR)
56 mrc p15, 0, \rx, c1, c0
57 tst \rx, #1 @ MMU enabled?
58 ldreq \rx, =UART_PADDR @ physical
59 ldrne \rx, =UART_VADDR @ virtual
63 str \rd, [\rx, #0x40] @ TXDATA
70 1002: ldr \rd, [\rx, #0x98] @ SR2
71 tst \rd, #1 << 3 @ TXDC
72 beq 1002b @ wait until transmit done