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(void)
  20 {
  21     uint32 bootMode = 0;
  22
  23     struct FDL_ChannelHandler *channel;
  24     bootMode = FDL_GetBootMode();
  25
  26     switch (bootMode)
  27     {
  28         case BOOT_FLAG_UART1:
  29             channel = &gUart1Channel;
  30             break;
  31         case BOOT_FLAG_UART0:
  32             channel = &gUart0Channel;
  33             break;
  34         case BOOT_FLAG_USB:
  35             channel = &gUSBChannel;
  36             break;
  37         default:
  38             channel = &gUSBChannel;
  39             break;
  40     }
  41     return channel;
  42 }