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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [arm/] [lib/] [ecard.S] - Blame information for rev 1765

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Line No. Rev Author Line
1 1275 phoenix
/*
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 *  linux/arch/arm/lib/ecard.S
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 *
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 *  Copyright (C) 1995, 1996 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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#include  /* for CONFIG_CPU_nn */
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#include 
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#include 
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#include 
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#ifdef CONFIG_CPU_26
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#define CPSR2SPSR(rt)
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#else
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#define CPSR2SPSR(rt) \
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                mrs     rt, cpsr; \
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                msr     spsr, rt
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#endif
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@ Purpose: call an expansion card loader to read bytes.
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@ Proto  : char read_loader(int offset, char *card_base, char *loader);
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@ Returns: byte read
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ENTRY(ecard_loader_read)
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                stmfd   sp!, {r4 - r12, lr}
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                mov     r11, r1
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                mov     r1, r0
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                CPSR2SPSR(r0)
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                mov     lr, pc
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                mov     pc, r2
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                LOADREGS(fd, sp!, {r4 - r12, pc})
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@ Purpose: call an expansion card loader to reset the card
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@ Proto  : void read_loader(int card_base, char *loader);
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@ Returns: byte read
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ENTRY(ecard_loader_reset)
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                stmfd   sp!, {r4 - r12, lr}
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                mov     r11, r0
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                CPSR2SPSR(r0)
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                mov     lr, pc
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                add     pc, r1, #8
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                LOADREGS(fd, sp!, {r4 - r12, pc})
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