Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
[pandora-kernel.git] / arch / arm / plat-mxc / include / mach / debug-macro.S
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 #include <mach/hardware.h>
14
15 #ifdef CONFIG_SOC_IMX1
16 #define UART_PADDR      MX1_UART1_BASE_ADDR
17 #endif
18
19 #ifdef CONFIG_SOC_IMX25
20 #ifdef UART_PADDR
21 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
22 #endif
23 #define UART_PADDR      MX25_UART1_BASE_ADDR
24 #endif
25
26 #if defined(CONFIG_SOC_IMX21) || defined (CONFIG_SOC_IMX27)
27 #ifdef UART_PADDR
28 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
29 #endif
30 #define UART_PADDR      MX2x_UART1_BASE_ADDR
31 #endif
32
33 #if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35)
34 #ifdef UART_PADDR
35 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
36 #endif
37 #define UART_PADDR      MX3x_UART1_BASE_ADDR
38 #endif
39
40 #ifdef CONFIG_SOC_IMX51
41 #ifdef UART_PADDR
42 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
43 #endif
44 #define UART_PADDR      MX51_UART1_BASE_ADDR
45 #endif
46
47 #define UART_VADDR      IMX_IO_ADDRESS(UART_PADDR)
48
49                 .macro  addruart, rp, rv
50                 ldr     \rp, =UART_PADDR        @ physical
51                 ldr     \rv, =UART_VADDR        @ virtual
52                 .endm
53
54                 .macro  senduart,rd,rx
55                 str     \rd, [\rx, #0x40]       @ TXDATA
56                 .endm
57
58                 .macro  waituart,rd,rx
59                 .endm
60
61                 .macro  busyuart,rd,rx
62 1002:           ldr     \rd, [\rx, #0x98]       @ SR2
63                 tst     \rd, #1 << 3            @ TXDC
64                 beq     1002b                   @ wait until transmit done
65                 .endm