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C/C++ Source or Header  |  2008-12-24  |  806 b   |  40 lines
  1. /*
  2.  * arch/arm/mach-iop32x/include/mach/uncompress.h
  3.  */
  4.  
  5. #include <asm/types.h>
  6. #include <asm/mach-types.h>
  7. #include <linux/serial_reg.h>
  8. #include <mach/hardware.h>
  9.  
  10. static volatile u8 *uart_base;
  11.  
  12. #define TX_DONE        (UART_LSR_TEMT | UART_LSR_THRE)
  13.  
  14. static inline void putc(char c)
  15. {
  16.     while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
  17.         barrier();
  18.     uart_base[UART_TX] = c;
  19. }
  20.  
  21. static inline void flush(void)
  22. {
  23. }
  24.  
  25. static __inline__ void __arch_decomp_setup(unsigned long arch_id)
  26. {
  27.     if (machine_is_iq80321())
  28.         uart_base = (volatile u8 *)IQ80321_UART;
  29.     else if (machine_is_iq31244() || machine_is_em7210())
  30.         uart_base = (volatile u8 *)IQ31244_UART;
  31.     else
  32.         uart_base = (volatile u8 *)0xfe800000;
  33. }
  34.  
  35. /*
  36.  * nothing to do
  37.  */
  38. #define arch_decomp_setup()    __arch_decomp_setup(arch_id)
  39. #define arch_decomp_wdog()
  40.