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Tony Lindgren
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Oct 20, 2009
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refs/heads/master: 74cda9a5192e68a38720c8130160e7b3577098d4 | ||
refs/heads/master: aca59b8922ad32e0555f78f99bcb31b5e24abe36 |
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/* arch/arm/mach-omap1/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. | ||
* | ||
*/ | ||
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.macro addruart,rx | ||
mrc p15, 0, \rx, c1, c0 | ||
tst \rx, #1 @ MMU enabled? | ||
moveq \rx, #0xff000000 @ physical base address | ||
movne \rx, #0xfe000000 @ virtual base | ||
orr \rx, \rx, #0x00fb0000 | ||
#ifdef CONFIG_OMAP_LL_DEBUG_UART3 | ||
orr \rx, \rx, #0x00009000 @ UART 3 | ||
#endif | ||
#if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) | ||
orr \rx, \rx, #0x00000800 @ UART 2 & 3 | ||
#endif | ||
.endm | ||
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.macro senduart,rd,rx | ||
strb \rd, [\rx] | ||
.endm | ||
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.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 | ||
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.macro waituart,rd,rx | ||
.endm |
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