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linux/arch/arm/mach-omap2/include/mach/debug-macro.S
Tony Lindgren aca59b8922 omap: headers: Split debug-macro.S for mach-omap1 and mach-omap2
This also creates the include/mach subdirectories under
mach-omap1 and mach-omap2.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-10-19 17:26:17 -07:00

60 lines
1.4 KiB
ArmAsm

/* arch/arm/mach-omap2/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.
*
*/
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
#ifdef CONFIG_ARCH_OMAP2
moveq \rx, #0x48000000 @ physical base address
movne \rx, #0xfa000000 @ virtual base
orr \rx, \rx, #0x0006a000
#ifdef CONFIG_OMAP_LL_DEBUG_UART2
add \rx, \rx, #0x00002000 @ UART 2
#endif
#ifdef CONFIG_OMAP_LL_DEBUG_UART3
add \rx, \rx, #0x00004000 @ UART 3
#endif
#elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
moveq \rx, #0x48000000 @ physical base address
movne \rx, #0xfa000000 @ virtual base
orr \rx, \rx, #0x0006a000
#ifdef CONFIG_OMAP_LL_DEBUG_UART2
add \rx, \rx, #0x00002000 @ UART 2
#endif
#ifdef CONFIG_OMAP_LL_DEBUG_UART3
add \rx, \rx, #0x00fb0000 @ UART 3
add \rx, \rx, #0x00006000
#endif
#endif
.endm
.macro senduart,rd,rx
strb \rd, [\rx]
.endm
.macro busyuart,rd,rx
1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends
and \rd, \rd, #0x60
teq \rd, #0x60
beq 1002f
ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only
and \rd, \rd, #0x60
teq \rd, #0x60
bne 1001b
1002:
.endm
.macro waituart,rd,rx
.endm