include/asm-arm/arch-iop3xx/uncompress.h

   1 /*
   2  *  linux/include/asm-arm/arch-iop3xx/uncompress.h
   3  */
   4 #include <linux/config.h>
   5 #include <asm/types.h>
   6 #include <asm/mach-types.h>
   7 #include <linux/serial_reg.h>
   8 #include <asm/hardware.h>
   9
  10 #ifdef CONFIG_ARCH_IOP321
  11 #define UTYPE unsigned char *
  12 #else
  13 #define UTYPE u32 *
  14 #endif
  15
  16 static volatile UTYPE uart_base;
  17
  18 #define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
  19
  20 static __inline__ void putc(char c)
  21 {
  22         while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE);
  23         *uart_base = c;
  24 }
  25
  26 /*
  27  * This does not append a newline
  28  */
  29 static void putstr(const char *s)
  30 {
  31         while (*s) {
  32                 putc(*s);
  33                 if (*s == '\n')
  34                         putc('\r');
  35                 s++;
  36         }
  37 }
  38
  39 static __inline__ void __arch_decomp_setup(unsigned long arch_id)
  40 {
  41         if(machine_is_iq80321())
  42                         uart_base = (volatile UTYPE)IQ80321_UART;
  43                 else if(machine_is_iq31244())
  44                         uart_base = (volatile UTYPE)IQ31244_UART;
  45                 else if(machine_is_iq80331())
  46                         uart_base = (volatile UTYPE)IQ80331_UART0_PHYS;
  47                 else
  48                         uart_base = (volatile UTYPE)0xfe800000;
  49 }
  50
  51 /*
  52  * nothing to do
  53  */
  54 #define arch_decomp_setup()     __arch_decomp_setup(arch_id)
  55 #define arch_decomp_wdog()