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

   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 <asm/arch/serial.h>
  15
  16 /* PORT_16C550A, in polled non-fifo mode */
  17
  18 static 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
  27 static 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()