include/asm-arm/arch-anakin/uncompress.h

   1 /*
   2  *  linux/include/asm-arm/arch-anakin/uncompress.h
   3  *
   4  *  Copyright (C) 2001 Aleph One Ltd. for Acunia N.V.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  *  Changelog:
  11  *   10-Apr-2001 TTC    Created
  12  */
  13
  14 #ifndef __ASM_ARCH_UNCOMPRESS_H
  15 #define __ASM_ARCH_UNCOMPRESS_H
  16
  17 #include <linux/config.h>
  18 #include <asm/io.h>
  19 #include <asm/arch/serial_reg.h>
  20
  21 #ifndef CONFIG_ANAKIN_DEFAULT_BAUDRATE
  22 #define CONFIG_ANAKIN_DEFAULT_BAUDRATE  9600
  23 #endif
  24
  25 static inline void
  26 putc(int c)
  27 {
  28         while (!(__raw_readl(IO_START + UART0 + 0x10) & TXEMPTY))
  29                 barrier();
  30
  31         __raw_writel(c, IO_START + UART0 + 0x14);
  32         __raw_writel(__raw_readl(IO_START + UART0 + 0x18)
  33                         | SENDREQUEST, IO_START + UART0 + 0x18);
  34 }
  35
  36 static void
  37 puts(const char *s)
  38 {
  39         int c;
  40
  41         while ((c = *s++)) {
  42                 putc(c);
  43                 if (c == '\n') putc('\r');
  44         }
  45 }
  46
  47 static void
  48 arch_decomp_setup(void)
  49 {
  50         __raw_writel(__raw_readl(IO_START + UART0 + 0x10) & ~PRESCALER
  51                         | SETBAUD(CONFIG_ANAKIN_DEFAULT_BAUDRATE),
  52                         IO_START + UART0 + 0x10);
  53         __raw_writel(__raw_readl(IO_START + UART0 + 0x18) & ~(IRQENABLE
  54                         | RTS | DTR | BLOCKRX | PARITY),
  55                         IO_START + UART0 + 0x18);
  56 }
  57
  58 #define arch_decomp_wdog()
  59
  60 #endif