linux/arch/arm/mach-davinci/include/mach/uncompress.h
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   1/*
   2 * Serial port stubs for kernel decompress status messages
   3 *
   4 *  Author:     Anant Gole
   5 * (C) Copyright (C) 2006, Texas Instruments, Inc
   6 *
   7 * This file is licensed under the terms of the GNU General Public License
   8 * version 2. This program is licensed "as is" without any warranty of any
   9 * kind, whether express or implied.
  10 */
  11
  12#include <linux/types.h>
  13#include <linux/serial_reg.h>
  14#include <mach/serial.h>
  15
  16/* PORT_16C550A, in polled non-fifo mode */
  17
  18static void putc(char c)
  19{
  20        volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;
  21
  22        while (!(uart[UART_LSR] & UART_LSR_THRE))
  23                barrier();
  24        uart[UART_TX] = c;
  25}
  26
  27static inline void flush(void)
  28{
  29        volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;
  30        while (!(uart[UART_LSR] & UART_LSR_THRE))
  31                barrier();
  32}
  33
  34#define arch_decomp_setup()
  35#define arch_decomp_wdog()
  36
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