LXR linux/arch/arm/mach-iop32x/include/mach/uncompress.h

   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
  10volatile u8 *uart_base;
  11
  12#define TX_DONE         (UART_LSR_TEMT | UART_LSR_THRE)
  13
  14static 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
  21static inline void flush(void)
  22{
  23}
  24
  25static __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