arch/arm/mach-mmp/include/mach/uncompress.h

   1 /*
   2  * arch/arm/mach-mmp/include/mach/uncompress.h
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #include <linux/serial_reg.h>
  10 #include <mach/addr-map.h>
  11
  12 #define UART1_BASE      (APB_PHYS_BASE + 0x36000)
  13 #define UART2_BASE      (APB_PHYS_BASE + 0x17000)
  14 #define UART3_BASE      (APB_PHYS_BASE + 0x18000)
  15
  16 static inline void putc(char c)
  17 {
  18         volatile unsigned long *UART = (unsigned long *)UART2_BASE;
  19
  20         /* UART enabled? */
  21         if (!(UART[UART_IER] & UART_IER_UUE))
  22                 return;
  23
  24         while (!(UART[UART_LSR] & UART_LSR_THRE))
  25                 barrier();
  26
  27         UART[UART_TX] = c;
  28 }
  29
  30 /*
  31  * This does not append a newline
  32  */
  33 static inline void flush(void)
  34 {
  35 }
  36
  37 /*
  38  * nothing to do
  39  */
  40 #define arch_decomp_setup()
  41 #define arch_decomp_wdog()