/***********************************************/
/* Divisor for baud-rate generation - DLL (R/W)*/
/***********************************************/
#define DLL_OFFSET          0x00


#define OSC_12M_OFFSET      0x4C            /* Division factor offset */
#define OSC_12M_SEL         0x01            /* Selects 6.5 division factor. */

/***************************************/
/* Enable UART Clock and Peripherals   */
/***************************************/
#define EPLD_PWR_CNTRL      0x08000005      

#define EPLD_PWR_UART2      0x40            /* Turn-on power to UART 2 through the 
                                               EPLD (FPGA memory-mapped registers) */
#define EPLD_PWR_BT_MOD     0x10            /* Make sure BT Module is Off */

#define EPLD_PWR_UART1      0x20            /* Turn-on power to UART 1 through the 
                                               EPLD (FPGA memory-mapped registers) */


#define MPU_CLOCK_BASE      0xFFFECE00      /* Clock Base of MPU reg */

#define MPU_IDLECT2_OFFSET  0x08            /* Idle Mode Entry 2 Offset */
#define MPU_EN_XORPCK       0x0002          /* Enables clock of OS timer connected 
                                               to MPU TIPB */
#define MPU_EN_PERCK        0x0004          /* Enable peripheral clock */

#define MPU_RSTCT2_OFFSET   0x14            /* Reset Control 2 Offset */
#define MPU_RSTCT2_PER_EN   0x0001          /* Enable UART clock, make sure to release 
                                               peripheral reset */


#define ILR_BASE_2          0xFFFE0000      /* Base address of 2nd Interrupt Level Register(ILR)*/

#define ILR_CONTROL_OFFSET  0x18            /* Control offset of ILR */

/* Determine the clock source of UART1 and UART2 */
#define FUNC_MUX_CTRL_0     0xFFFE1000      /* Base configuration register */
#define MOD_CONF_CTRL_0     0x80            /* Module Configuration Control 0 Offset */
#define UART_CLOCK_SET      0x60000000      /* Determin the clock source of UART1 and UART2 */

/* These use generic type names, leaving off the register name
   in the macro, because they are used by generic sections of
   code which will not require changes for other UARTS. Only the
   bits these correspond to should change. */

/* UART Line Control Register Bits */
#define SD_PARITY_NONE              LCR_PARITY_DISABLE
#define SD_PARITY_EVEN              LCR_PARITY_EVEN
#define SD_PARITY_ODD               LCR_PARITY_ODD

#define SD_DATA_BITS_5              LCR_5_BIT_WORD
#define SD_DATA_BITS_6              LCR_6_BIT_WORD
#define SD_DATA_BITS_7              LCR_7_BIT_WORD
#define SD_DATA_BITS_8              LCR_8_BIT_WORD

#define SD_STOP_BITS_1              LCR_STOP_BIT_1
#define SD_STOP_BITS_2              LCR_STOP_BIT_2

#define SD_MODE_NORMAL              MCR_NORMAL_MODE
#define SD_MODE_AUTO_ECHO           MCR_NOT_USED
#define SD_MODE_LOCAL_LOOP          MCR_LOOP_BACK
#define SD_MODE_REMOTE_LOOP         MCR_NOT_USED

/* Define default Serial Driver settings for this board */
#define     DEFAULT_UART_PORT       UART1
#define     DEFAULT_PPP_BAUD        57600
#define     DEFAULT_UART_BAUD       115200
#define     DEFAULT_UART_DATA       DATA_BITS_8
#define     DEFAULT_UART_STOP       STOP_BITS_1
#define     DEFAULT_UART_PARITY     PARITY_NONE
#define     DEFAULT_UART_MODE       MODE_NORMAL
#define     DEFAULT_UART_BUFFER     100

/* Define data structures for management of a serial port. */

typedef struct SD_INIT_STRUCT
{
    UINT32        data_mode;
    UINT32        base_address;

    /* The following elements should generic accross other
       platforms. */
    NU_SEMAPHORE    *sd_semaphore;
    UINT32        com_port;
    UINT32        data_bits;
    UINT32        stop_bits;
    UINT32        parity;
    UINT32        baud_rate;
    UINT32        vector;
    UINT32        driver_options;
    UINT32        sd_buffer_size;

    UINT32        parity_errors;
    UINT32        frame_errors;
    UINT32        overrun_errors;
    UINT32        busy_errors;
    UINT32        general_errors;

    CHAR            *rx_buffer;
    INT             rx_buffer_read;
    INT             rx_buffer_write;
    volatile INT    rx_buffer_status;

    /* All of the following elements are required by PPP, do not modify. */
    UINT32        communication_mode;
    CHAR            *tx_buffer;
    INT             tx_buffer_read;
    INT             tx_buffer_write;
    volatile INT    tx_buffer_status;

} SD_PORT;

/* Defines to be used by application */
#define MODE_NORMAL       SD_MODE_NORMAL
#define MODE_AUTO_ECHO    SD_MODE_AUTO_ECHO
#define MODE_LOCAL_LOOP   SD_MODE_LOCAL_LOOP
#define MODE_REMOTE_LOOP  SD_MODE_REMOTE_LOOP

#define STOP_BITS_1       SD_STOP_BITS_1
#define STOP_BITS_2       SD_STOP_BITS_2

#define UART1             SD_UART1
#define UART2             SD_UART2

/* Defines to determine communication mode */
#define SERIAL_MODE                 0
#define SERIAL_MOUSE                3
/* MDM_NETWORK and MDM_TERMINAL do not need to be defined here
   since they are defined in PPP.  */

/***********************************************************************
 Note: everything below should be genric.
*/

#define NU_SERIAL_PORT          SD_PORT
#define PARITY_NONE             SD_PARITY_NONE
#define PARITY_EVEN             SD_PARITY_EVEN
#define PARITY_ODD              SD_PARITY_ODD

#define DATA_BITS_6             SD_DATA_BITS_6
#define DATA_BITS_7             SD_DATA_BITS_7
#define DATA_BITS_8             SD_DATA_BITS_8

#define NU_SD_Put_Char          SDC_Put_Char
#define NU_SD_Get_Char          SDC_Get_Char
#define NU_SD_Put_String        SDC_Put_String
#define NU_SD_Init_Port         SDC_Init_Port
#define NU_SD_Data_Ready        SDC_Data_Ready

#define NU_UART_SUCCESS         0
#define NU_INVALID_PARITY       -1
#define NU_INVALID_DATA_BITS    -2
#define NU_INVALID_STOP_BITS    -3
#define NU_INVALID_BAUD         -4
#define NU_INVALID_COM_PORT     -5
#define NU_INVALID_DATA_MODE    -6
#define NU_UART_LIST_FULL       -7
#define NU_INVALID_MOUSE_MODE   -8

#define NU_BUFFER_FULL          1
#define NU_BUFFER_DATA          2
#define NU_BUFFER_EMPTY         3

/* Deifine IO macros. */

/* 8 bit access */
#define SD_OUTBYTE(reg, data)   ( (*( (UINT8 *) (reg) ) ) = (UINT8) (data) )

#define SD_INBYTE(reg)          (  *( (UINT8 *) (reg) ) )

/* 16 bit access */
#define SD_OUTWORD(reg, data)   ( (*( (UINT16 *) (reg) ) ) = (data) )

#define SD_INWORD(reg)          (  *( (UINT16 *) (reg) ) )

/* 32 bit access */
#define SD_OUTDWORD(reg, data)  ( (*( (UINT32 *) (reg) ) ) = (data) )

#define SD_INDWORD(reg)         (  *( (UINT32 *) (reg) ) )

/*Macro used for converting URT to SD_PORT. This is for PPP serial driver
  backwards compatability. */
#define URT_LAYER                       SD_PORT

#define URT_TX_BUFFER_SIZE              uart->sd_buffer_size
#define URT_Get_Char                    SDC_Get_Char
#define URT_Put_Char                    SDC_Put_Char
#define URT_Reset                       SDC_Reset
#define URT_Change_Communication_Mode   SDC_Change_Communication_Mode
#define URT_Carrier                     SDC_Carrier


#endif /* ifndef SD_DEFS_H */