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45 lines
982 B
45 lines
982 B
20 years ago
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/*
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* linux/include/asm-arm/arch-l7200/uncompress.h
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*
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* Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
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*
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* Changelog:
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* 05-01-2000 SJH Created
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* 05-13-2000 SJH Filled in function bodies
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* 07-26-2000 SJH Removed hard coded buad rate
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*/
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#include <asm/hardware.h>
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#define IO_UART IO_START + 0x00044000
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#define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v))
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#define __raw_readb(p) (*(volatile unsigned char *)(p))
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static __inline__ void putc(char c)
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{
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while(__raw_readb(IO_UART + 0x18) & 0x20 ||
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__raw_readb(IO_UART + 0x18) & 0x08);
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__raw_writeb(c, IO_UART + 0x00);
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}
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static void putstr(const char *s)
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{
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while (*s) {
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if (*s == 10) { /* If a LF, add CR */
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putc(10);
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putc(13);
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}
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putc(*(s++));
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}
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}
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static __inline__ void arch_decomp_setup(void)
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{
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__raw_writeb(0x00, IO_UART + 0x08); /* Set HSB */
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__raw_writeb(0x00, IO_UART + 0x20); /* Disable IRQs */
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__raw_writeb(0x01, IO_UART + 0x14); /* Enable UART */
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}
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#define arch_decomp_wdog()
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