include/asm-arm/arch-iop32x/uncompress.h

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