uncompress.h
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上传日期:2013-04-10
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- /*
- * linux/include/asm-arm/arch-anakin/uncompress.h
- *
- * Copyright (C) 2001 Aleph One Ltd. for Acunia N.V.
- *
- * 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.
- *
- * Changelog:
- * 10-Apr-2001 TTC Created
- */
- #ifndef __ASM_ARCH_UNCOMPRESS_H
- #define __ASM_ARCH_UNCOMPRESS_H
- #include <linux/config.h>
- #include <asm/io.h>
- #include <asm/arch/serial_reg.h>
- #ifndef CONFIG_ANAKIN_DEFAULT_BAUDRATE
- #define CONFIG_ANAKIN_DEFAULT_BAUDRATE 9600
- #endif
- static inline void
- putc(int c)
- {
- while (!(__raw_readl(IO_START + UART0 + 0x10) & TXEMPTY))
- barrier();
- __raw_writel(c, IO_START + UART0 + 0x14);
- __raw_writel(__raw_readl(IO_START + UART0 + 0x18)
- | SENDREQUEST, IO_START + UART0 + 0x18);
- }
- static void
- puts(const char *s)
- {
- int c;
- while ((c = *s++)) {
- putc(c);
- if (c == 'n') putc('r');
- }
- }
- static void
- arch_decomp_setup(void)
- {
- __raw_writel(__raw_readl(IO_START + UART0 + 0x10) & ~PRESCALER
- | SETBAUD(CONFIG_ANAKIN_DEFAULT_BAUDRATE),
- IO_START + UART0 + 0x10);
- __raw_writel(__raw_readl(IO_START + UART0 + 0x18) & ~(IRQENABLE
- | RTS | DTR | BLOCKRX | PARITY),
- IO_START + UART0 + 0x18);
- }
- #define arch_decomp_wdog()
- #endif