platform.h

ucos下的driver的抽象层, 有了这一层porting将更容易

/* DO NOT EDIT!! - this file automatically generated
 *                 from .s file by awk -f s2h.awk
 */
/*****************************************************************************
 *  * Copyright (C) ARM Limited 1998. All rights reserved. 
 *  *****************************************************************************/
/************************************************************************
 * 
 *   PID address map
 * 
 * 	NOTE: This is a multi-hosted header file for use with uHAL and
 * 	      supported debuggers.
 * 
 * ************************************************************************/

#ifndef __address_h
#define __address_h                     1

#define PLATFORM_ID                     0x00000040

/*  Common modules for uHAL can be included or excluded by changing these
 *  definitions. These can be over-ridden by the makefile/ARM project file
 *  provided the .h file can is rebuilt.
 */
#ifndef uHAL_BOOT
#define uHAL_BOOT                       1
#endif
#ifndef uHAL_TIMERS
#define uHAL_TIMERS                     1
#endif
#ifndef uHAL_INTERRUPTS
#define uHAL_INTERRUPTS                 1
#endif
#ifndef uHAL_COMPLEX_IRQ
#define uHAL_COMPLEX_IRQ                1
#endif
#ifndef uHAL_PCI
#define uHAL_PCI                        0
#endif
#ifndef uHAL_HEAP
#define uHAL_HEAP                       1
#define uHAL_HEAP_BASE                  SZ_256K
#define uHAL_HEAP_SIZE                  SZ_128K
#define uHAL_STACK_BASE                 SZ_512K
#define uHAL_STACK_SIZE                 SZ_128K
#endif

/* memory size */
#define uHAL_MEMORY_SIZE                SZ_512K
#define PID7T_L1_TABLE_BASE             0x01004000

/* The APB FPGA */
#define ICBase                          0x0A000000
#define CTBase                          0x0A800000
#define RPCBase                         0x0B000000

/* Remap and pause memory map */
#define RPC_Pause                       0x00000000
#define RPC_Identification              0x00000010
#define RPC_ClearResetMap               0x00000020
#define RPC_ResetStatusSet              0x00000030
#define RPC_ResetStatusClear            0x00000034 

/* IRQ/FIQ stuff */
#define IC_IRQStatus                    0x00000000
#define IC_IRQRawStatus                 0x00000004
#define IC_IRQEnable                    0x00000008
#define IC_IRQEnableSet                 0x00000008
#define IC_IRQEnableClear               0x0000000C

#define IC_FIQStatus                    0x00000100
#define IC_FIQRawStatus                 0x00000104
#define IC_FIQEnable                    0x00000108
#define IC_FIQEnableSet                 0x00000108
#define IC_FIQEnableClear               0x0000010C
#define IC_FIQSource                    0x00000114
	
#define MAXIRQNUM                       15
#define MAXFIQNUM                       15
#define MAXSWINUM                       15

#define NR_IRQS                         (MAXIRQNUM + 1)

#define RAM_BASE                        0
#define RAM_SIZE                        0x01000000
#define FLASH_BASE                      0x04000000
#define FLASH_SIZE                      0x04000000
#define CLEAN_BASE                      FLASH_BASE
#define CLEAN_SIZE                      FLASH_SIZE
#define FPGA_BASE                       0x0A000000
#define FPGA_SIZE                       0x02000000
#define IO_BASE                         0x0C000000
#define IO_SIZE                         0x04000000
	
/*  Number of Level2 table entries in uHAL_AddressTable
 */
#define L2_TABLE_ENTRIES                1

/* UART */
/* define it so that it only ever uses one port */
#define HOST_COMPORT                    ST16C552_IO_BASE 
#define SEMIHOSTED_COMPORT              HOST_COMPORT
#define OS_COMPORT                      HOST_COMPORT

/* Values to set given baud rates */
#define DEFAULT_HOST_BAUD               ARM_BAUD_9600
#define DEFAULT_OS_BAUD                 ARM_BAUD_38400

#define IO_MAPADDRESS(a)	(((unsigned int) a << 2) | IO_BASE)
#define _MapAddress(a)		IO_MAPADDRESS(a)
#define IO_READ(p)		(*(unsigned char *)(IO_MAPADDRESS(p)))
#define IO_WRITE(p, c)		(*(unsigned char *)(IO_MAPADDRESS(p)) = c)

/* This board uses the st16c552 UART as stdio */
#define ST16C552_IO_BASE                (IO_BASE + 0x01800000)

/* UART primitives */
#define GET_STATUS(p)	(*(volatile unsigned char *)((p) + ST16C552_LSR))
#define RX_DATA(s)     ((s & LSRRxData) != 0)
#define GET_CHAR(p)	(*(volatile unsigned char *)((p) + ST16C552_RHRTHR))
#define TX_READY(s)    ((s & LSRTxHoldEmpty) != 0)
#define PUT_CHAR(p,c)  (*(volatile unsigned char *)((p) + ST16C552_RHRTHR) = (c))
		
/* ST16C552 specific stuff */
/*
 *  * Clock Divisors for various Baud rates (assuming that
 *  * the PID is using a 1.843 MHz clock for the UART)
 *  */
#define ARM_BAUD_1200                   0x0060
#define ARM_BAUD_2400                   0x0030
#define ARM_BAUD_4800                   0x0018
#define ARM_BAUD_9600                   0x000c
#define ARM_BAUD_19200                  0x0006
#define ARM_BAUD_38400                  0x0003
#define ARM_BAUD_57600                  0x0002
#define ARM_BAUD_115200                 0x0001

/*
 *  * Register offsets
 *  */
#define ST16C552_RHRTHR                 0x00
#define ST16C552_IER                    0x04
#define ST16C552_ISRFCR                 0x08
#define ST16C552_LCR                    0x0C
#define ST16C552_MCR                    0x10
#define ST16C552_LSR                    0x14
#define ST16C552_MSR                    0x18
#define ST16C552_SPR                    0x1C
	
/*
 *  * Line Status Register bits
 *  */
#define LSRRxData                       (1 << 0)
#define LSROverrun                      (1 << 1)
#define LSRParity                       (1 << 2)
#define LSRFraming                      (1 << 3)
#define LSRBreak                        (1 << 4)
#define LSRTxHoldEmpty                  (1 << 5)
#define LSRTxEmpty                      (1 << 6)
#define LSRFIFOError                    (1 << 7)

	
/* LEDs */
#define uHAL_NUM_OF_LEDS                0
#define ALL_LEDS                        0
#define uHAL_LED_MASKS	{ 0 }
#define uHAL_LED_OFFSETS	{ 0 }
#ifndef HIGH
#define HIGH                            1
#endif
#define uHAL_LED_ON                     1
#define uHAL_LED_OFF                    0

/* Timer stuff */
#define TIMERBase                       0x0A800000
#define TIMER_LOAD                      0x00000000
#define TIMER_VALUE                     0x00000004
#define TIMER_CONTROL                   0x00000008
#define TIMER_CLEAR                     0x0000000C
	
#define OS_TIMER                        1
#define MAX_TIMER                       1

/*  The irq numbers of the individual timers
 */
#define TIMER_VECTORS	{ 0, 4}
/* 16Mhz clock, /16 divider, = 1000
 */
#define mSEC_1                          1000
#define MAX_PERIOD                      0xFFFF	


#endif

/* 	END */