forked from Minki/linux
0836b5cdd2
639da5ee3 (ARM: add an extra temp register to the low level debugging
addruart macro) didn't include picoxcell as it hadn't been merged at the
time. Fix up the compile breakage by adding the extra temp parameter.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
36 lines
921 B
ArmAsm
36 lines
921 B
ArmAsm
/*
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* Copyright (c) 2011 Picochip Ltd., Jamie Iles
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit
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* accesses to the 8250.
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*/
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#include <linux/serial_reg.h>
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#include <mach/hardware.h>
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#include <mach/map.h>
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#define UART_SHIFT 2
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.macro addruart, rp, rv, tmp
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ldr \rv, =PHYS_TO_IO(PICOXCELL_UART1_BASE)
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ldr \rp, =PICOXCELL_UART1_BASE
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.endm
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.macro senduart,rd,rx
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str \rd, [\rx, #UART_TX << UART_SHIFT]
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.endm
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.macro busyuart,rd,rx
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1002: ldr \rd, [\rx, #UART_LSR << UART_SHIFT]
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and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
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teq \rd, #UART_LSR_TEMT | UART_LSR_THRE
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bne 1002b
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.endm
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/* The UART's don't have any flow control IO's wired up. */
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.macro waituart,rd,rx
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.endm
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