common.h

Ibmstb02500 miniboot 源码

/* openbios/arch/vesta/common.h, stb-bios */
/*-----------------------------------------------------------------------------+
|
|       This source code has been made available to you by IBM on an AS-IS
|       basis.  Anyone receiving this source is licensed under IBM
|       copyrights to use it in any way he or she deems fit, including
|       copying it, modifying it, compiling it, and redistributing it either
|       with or without modifications.  No license under IBM patents or
|       patent applications is to be implied by the copyright license.
|
|       Any user of this software should understand that IBM cannot provide
|       technical support for this software and will not be responsible for
|       any consequences resulting from the use of this software.
|
|       Any person who transfers this source code or any derivative work
|       must include the IBM copyright notice, this paragraph, and the
|       preceding two paragraphs in the transferred software.
|
|       COPYRIGHT   I B M   CORPORATION 1995
|       LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M
+-----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------+
|
|  File Name:   platform.h
|
|  Function:    STB BIOS architecture depdendent common settings for STB03xxx.
|
|  Author:      Yudong Yang
|
|  Change Activity-
|
|  Date        Description of Change                                       BY
|  ---------   ---------------------                                       ---
|  25-Mar-02   Splitted from platform.h                                    YYD
|
+-----------------------------------------------------------------------------*/

/*
 * defines for external interrupts
 *  NOTE: value corresponds to bit number in EXISR
 */
#define EXI_SR  4               /* Serial port receiver interrupt */
#define EXI_ST  5               /* Serial port transmitter interrupt */
#define EXI_JR  6               /* JTAG serial port receiver interrupt */
#define EXI_JT  7               /* JTAG serial port transmitter interrupt */

#define EXI_D0  8               /* DMA channel 0 interrupt */
#define EXI_D1  9               /* DMA channel 1 interrupt */
#define EXI_D2  10              /* DMA channel 2 interrupt */
#define EXI_D3  11              /* DMA channel 3 interrupt */

#define EXI_I0  25              /* External Interrupt 0 */
#define EXI_I1  26              /* External Interrupt 1 */
#define EXI_I2  27              /* External Interrupt 2 */
#define EXI_I3  28              /* External Interrupt 3 */
#define EXI_I4  29              /* External Interrupt 4 */

#define BOARD_CLOCK      27000000
#define PROC_CLOCK       54000000



// defines the TV format supported
#define TV_FMT_NTSC	0	// NTSC 3.58
#define TV_FMT_PAL	1	// PAL/D/K (4.43)
#define TV_FMT_PAL_M	2	// PAL/M
#define TV_FMT_PAL_N	3	// PAL/N

#define NUMBER_TV_FMT	4

#define NUM_OF_I2C_BUSES	2	// vesta and pallas has two i2c bus interfaces