nand_fdl/common/src/fdl_channel.c

   1 #include <asm/arch/fdl_channel.h>
   2 #include <asm/arch/sci_types.h>
   3 #include <asm/arch/sio_drv.h>
   4 #include <asm/arch/usb_boot.h>
   5
   6 #define BOOT_FLAG_USB                   (0x5A)
   7 #define BOOT_FLAG_UART1                 (0x6A)
   8 #define BOOT_FLAG_UART0                 (0x7A)
   9
  10 extern uint32 FDL_GetBootMode (void);
  11 //#define FDL_UART0_CHANNEL_USE
  12
  13 /******************************************************************************/
  14 //  Description:    find a useable channel
  15 //  Global resource dependence:
  16 //  Author:         junqiang.wang
  17 //  Note:
  18 /******************************************************************************/
  19 PUBLIC struct FDL_ChannelHandler *FDL_ChannelGet()
  20 {
  21     uint32 bootMode = 0;
  22     char ch;
  23
  24     struct FDL_ChannelHandler *channel;
  25     bootMode = FDL_GetBootMode();
  26
  27     switch (bootMode)
  28     {
  29         case BOOT_FLAG_UART1:
  30             channel = &gUart1Channel;
  31             break;
  32         case BOOT_FLAG_UART0:
  33             channel = &gUart0Channel;
  34             break;
  35         case BOOT_FLAG_USB:
  36             channel = &gUSBChannel;
  37             break;
  38         default:
  39             channel = &gUSBChannel;
  40             break;
  41     }
  42     return channel;
  43 }