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https://opencores.org/ocsvn/c0or1k/c0or1k/trunk
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Rev 6 |
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#ifndef __DEBUG__MACRO__S__
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#define __DEBUG__MACRO__S__
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#include
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#include
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#include INC_PLAT(offsets.h)
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#define UART01x_DR 0x00
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/*
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* linux/arch/arm/kernel/debug.S
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*
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* Copyright (C) 1994-1999 Russell King
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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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* 32-bit debugging code
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*/
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.macro addruart,rx
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1 @ MMU enabled?
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moveq \rx, #0x10000000
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orreq \rx, \rx, #0x001F0000
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orreq \rx, \rx, #0x00001000
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/* FIXME: This offset is incorrect for now. Make sure you pass correct offset */
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movne \rx, #0xf9000000 @#IO_AREA0_VADDR
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addne \rx, \rx, #0xF1000
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@ addne \rx, \rx, #PB926_UART0_VOFFSET @ UART0 page offset from
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@ virtual io area base.
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.endm
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.macro senduart,rd,rx
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strb \rd, [\rx, #UART01x_DR]
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.endm
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.macro waituart,rd,rx
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1001: ldr \rd, [\rx, #0x18] @ UARTFLG
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tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
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bne 1001b
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.endm
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.macro busyuart,rd,rx
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1001: ldr \rd, [\rx, #0x18] @ UARTFLG
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tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
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bne 1001b
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.endm
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#endif /* __DEBUG__MACRO__S__ */
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