s3c2440.h

嵌入式试验箱S3C2410的bootloader源代码

/*
 * vivi/include/s3c2440.h
 *
 * Definition of constants related to the S3C2410 microprocessor(based on ARM 290T).
 * This file is based on the S3C2400 User Manual 2002,01,23.
 *
 * Copyright (C) 2002 MIZI Research, Inc.
 *
 *  Author: Janghoon Lyu <[e-mail]>
 *  Date  : $Date: 2004/02/04 06:22:25 $
 *
 *  $Revision: 1.1.1.1 $
 */

/*
 * History
 * 
 * 2002-05-14: Janghoon Lyu <[e-mail]>
 *    - Initial code
 */

#include "hardware.h"
#include "bitfield.h"

#define USR26_MODE		0x00
#define FIQ26_MODE		0x01
#define IRQ26_MODE		0x02
#define SVC26_MODE		0x03
#define USR_MODE		0x10
#define FIQ_MODE		0x11
#define IRQ_MODE		0x12
#define SVC_MODE		0x13
#define ABT_MODE		0x17
#define UND_MODE		0x1b
#define SYSTEM_MODE		0x1f
#define MODE_MASK		0x1f
#define F_BIT			0x40
#define I_BIT			0x80
#define CC_V_BIT		(1 << 28)
#define CC_C_BIT		(1 << 29)
#define CC_Z_BIT		(1 << 30)
#define CC_N_BIT		(1 << 31)

/* Register 1. Control Register */
#define R1_nF			(1 << 30)
#define R1_iA			(1 << 31)


/* Memory Controller */
#define MEM_CTL_BASE		0x48000000
#define bMEMCTL(Nb)		__REGl(MEM_CTL_BASE + (Nb))
/* Offset */
#define oBWSCON			0x00	/* R/W, Bus width and wait status ctrl reg. */
#define oBANKCON0		0x04	/* R/W, Bank 0 control reg. */
#define oBANKCON1		0x08	/* R/W, Bank 1 control reg. */
#define oBANKCON2		0x0C	/* R/W, Bank 2 control reg. */
#define oBANKCON3		0x10	/* R/W, Bank 3 control reg. */
#define oBANKCON4		0x14	/* R/W, Bank 4 control reg. */
#define oBANKCON5		0x18	/* R/W, Bank 5 control reg. */
#define oBANKCON6		0x1C	/* R/W, Bank 6 control reg. */
#define oBANKCON7		0x20	/* R/W, Bank 7 control reg. */
#define oREFRESH		0x24	/* R/W, SDRAM refresh control register */
#define oBANKSIZE		0x28	/* R/W, Flexible bank size register */
#define oMRSRB6			0x2C	/* R/W, Mode register set register bank 6 */
#define oMRSRB7			0x2C	/* R/W, Mode register set register bank 7 */
/* Registers */
#define BWSCON			bMEMCTL(oBWSCON)
#define BANKCON0		bMEMCTL(oBANKCON0)
#define BANKCON1		bMEMCTL(oBANKCON1)
#define BANKCON2		bMEMCTL(oBANKCON2)
#define BANKCON3		bMEMCTL(oBANKCON3)
#define BANKCON4		bMEMCTL(oBANKCON4)
#define BANKCON5		bMEMCTL(oBANKCON5)
#define BANKCON6		bMEMCTL(oBANKCON6)
#define BANKCON7		bMEMCTL(oBANKCON7)
#define REFRESH			bMEMCTL(oREFRESH)
#define BANKSIZE		bMEMCTL(oBANKSIZE)
#define MRSRB6			bMEMCTL(oMRSRB6)
#define MRSRB7			bMEMCTL(oMRSRB7)
/* Bits */
#define SELF_REFRESH		(1 << 22)

/* Clock and Power Management */
#define CLK_CTL_BASE		0x4C000000
#define bCLKCTL(Nb)		__REGl(CLK_CTL_BASE + (Nb))
/* Offset */
#define oLOCKTIME		0x00	/* R/W, PLL lock time count register */
#define oMPLLCON		0x04	/* R/W, MPLL configuration register */
#define oUPLLCON		0x08	/* R/W, UPLL configuration register */
#define oCLKCON			0x0C	/* R/W, Clock generator control reg. */
#define oCLKSLOW		0x10	/* R/W, Slow clock control register */
#define oCLKDIVN		0x14	/* R/W, Clock divider control */
/* Registers */
#define LOCKTIME		bCLKCTL(oLOCKTIME)
#define MPLLCON			bCLKCTL(oMPLLCON)
#define UPLLCON			bCLKCTL(oUPLLCON)
#define CLKCON			bCLKCTL(oCLKCON)
#define CLKSLOW			bCLKCTL(oCLKSLOW)
#define CLKDIVN			bCLKCTL(oCLKDIVN)
/* Fields */
#define fMPLL_MDIV		Fld(8,12)
#define fMPLL_PDIV		Fld(6,4)
#define fMPLL_SDIV		Fld(2,0)
/* macros */
#define GET_MDIV(x)		FExtr(x, fMPLL_MDIV)
#define GET_PDIV(x)		FExtr(x, fMPLL_PDIV)
#define GET_SDIV(x)		FExtr(x, fMPLL_SDIV)

/* GPIO */
#define GPIO_CTL_BASE		0x56000000
#define bGPIO(p,o)		__REGl(GPIO_CTL_BASE + (p) + (o))
/* Offset */
#define oGPIO_CON		0x0	/* R/W, Configures the pins of the port */
#define oGPIO_DAT		0x4	/* R/W,	Data register for port */
#define oGPIO_UP		0x8	/* R/W, Pull-up disable register */
#define oGPIO_RESERVED		0xC	/* R/W, Reserved */
#define oGPIO_A			0x00
#define oGPIO_B			0x10
#define oGPIO_C			0x20
#define oGPIO_D			0x30
#define oGPIO_E			0x40
#define oGPIO_F			0x50
#define oGPIO_G			0x60
#define oGPIO_H			0x70
#define oMISCCR			0x80	/* R/W, Miscellaneous control register */
#define oDCLKCON		0x84	/* R/W, DCLK0/1 control register */
#define oEXTINT0		0x88	/* R/W, External interrupt control reg. 0 */
#define oEXTINT1		0x8C	/* R/W, External interrupt control reg. 1 */
#define oEXTINT2		0x90	/* R/W, External interrupt control reg. 2 */
#define oEINTFLT0		0x94	/* R/W, Reserved */
#define oEINTFLT1		0x98	/* R/W, Reserved */
#define oEINTFLT2		0x9C	/* R/W, External interrupt control reg. 2 */
#define oEINTFLT3		0xA0	/* R/W, External interrupt control reg. 3 */
#define oEINTMASK		0xA4	/* R/W, External interrupt mask register */
#define oEINTPEND		0xA8	/* R/W, External interrupt pending reg. */
/* Registers */
#define GPACON			bGPIO(oGPIO_A, oGPIO_CON)
#define GPADAT			bGPIO(oGPIO_A, oGPIO_DAT)
#define GPBCON			bGPIO(oGPIO_B, oGPIO_CON)
#define GPBDAT			bGPIO(oGPIO_B, oGPIO_DAT)
#define GPBUP			bGPIO(oGPIO_B, oGPIO_UP)
#define GPCCON			bGPIO(oGPIO_C, oGPIO_CON)
#define GPCDAT			bGPIO(oGPIO_C, oGPIO_DAT)
#define GPCUP			bGPIO(oGPIO_C, oGPIO_UP)
#define GPDCON			bGPIO(oGPIO_D, oGPIO_CON)
#define GPDDAT			bGPIO(oGPIO_D, oGPIO_DAT)
#define GPDUP			bGPIO(oGPIO_D, oGPIO_UP)
#define GPECON			bGPIO(oGPIO_E, oGPIO_CON)
#define GPEDAT			bGPIO(oGPIO_E, oGPIO_DAT)
#define GPEUP			bGPIO(oGPIO_E, oGPIO_UP)
#define GPFCON			bGPIO(oGPIO_F, oGPIO_CON)
#define GPFDAT			bGPIO(oGPIO_F, oGPIO_DAT)
#define GPFUP			bGPIO(oGPIO_F, oGPIO_UP)
#define GPGCON			bGPIO(oGPIO_G, oGPIO_CON)
#define GPGDAT			bGPIO(oGPIO_G, oGPIO_DAT)
#define GPGUP			bGPIO(oGPIO_G, oGPIO_UP)
#define GPHCON			bGPIO(oGPIO_H, oGPIO_CON)
#define GPHDAT			bGPIO(oGPIO_H, oGPIO_DAT)
#define GPHUP			bGPIO(oGPIO_H, oGPIO_UP)
#define MISCCR			bGPIO(oMISCCR, 0)
#define DCLKCON			bGPIO(oDCLKCON, 0)
#define EXTINT0			bGPIO(oEXTINT0, 0)
#define EXTINT1			bGPIO(oEXTINT1, 0)
#define EXTINT2			bGPIO(oEXTINT2, 0)
#define EINTFLT0		bGPIO(oEINTFLT0, 0)
#define EINTFLT1		bGPIO(oEINTFLT1, 0)
#define EINTFLT2		bGPIO(oEINTFLT2, 0)
#define EINTFLT3		bGPIO(oEINTFLT3, 0)
#define EINTMASK		bGPIO(oEINTMASK, 0)
#define EINTPEND		bGPIO(oEINTPEND, 0)

/* UART */
#define UART_CTL_BASE		0x50000000
#define UART0_CTL_BASE		UART_CTL_BASE
#define UART1_CTL_BASE		UART_CTL_BASE + 0x4000
#define UART2_CTL_BASE		UART_CTL_BASE + 0x8000
#define bUART(x, Nb)		__REGl(UART_CTL_BASE + (x)*0x4000 + (Nb))
#define bUARTb(x, Nb)		__REGb(UART_CTL_BASE + (x)*0x4000 + (Nb))
/* Offset */
#define oULCON			0x00	/* R/W, UART line control register */
#define oUCON			0x04	/* R/W, UART control register */
#define oUFCON			0x08	/* R/W, UART FIFO control register */
#define oUMCON			0x0C	/* R/W, UART modem control register */
#define oUTRSTAT		0x10	/* R  , UART Tx/Rx status register */
#define oUERSTAT		0x14	/* R  , UART Rx error status register */
#define oUFSTAT			0x18	/* R  , UART FIFO status register */
#define oUMSTAT			0x1C	/* R  , UART Modem status register */
#define oUTXHL			0x20	/*   W, UART transmit(little-end) buffer */
#define oUTXHB			0x23	/*   W, UART transmit(big-end) buffer */
#define oURXHL			0x24	/* R  , UART receive(little-end) buffer */
#define oURXHB			0x27	/* R  , UART receive(big-end) buffer */
#define oUBRDIV			0x28	/* R/W, Baud rate divisor register */
/* Registers */
#define ULCON0			bUART(0, oULCON)
#define UCON0			bUART(0, oUCON)
#define UFCON0			bUART(0, oUFCON)
#define UMCON0			bUART(0, oUMCON)
#define UTRSTAT0		bUART(0, oUTRSTAT)
#define UERSTAT0		bUART(0, oUERSTAT)
#define UFSTAT0			bUART(0, oUFSTAT)
#define UMSTAT0			bUART(0, oUMSTAT)
#define UTXH0			bUARTb(0, oUTXHL)
#define URXH0			bUARTb(0, oURXHL)
#define UBRDIV0			bUART(0, oUBRDIV)
#define ULCON1			bUART(1, oULCON)
#define UCON1			bUART(1, oUCON)
#define UFCON1			bUART(1, oUFCON)
#define UMCON1			bUART(1, oUMCON)
#define UTRSTAT1		bUART(1, oUTRSTAT)
#define UERSTAT1		bUART(1, oUERSTAT)
#define UFSTAT1			bUART(1, oUFSTAT)
#define UMSTAT1			bUART(1, oUMSTAT)
#define UTXH1			bUARTb(1, oUTXHL)
#define URXH1			bUARTb(1, oURXHL)
#define UBRDIV1			bUART(1, oUBRDIV)
#define ULCON2			bUART(2, oULCON)
#define UCON2			bUART(2, oUCON)
#define UFCON2			bUART(2, oUFCON)
#define UMCON2			bUART(2, oUMCON)
#define UTRSTAT2		bUART(2, oUTRSTAT)
#define UERSTAT2		bUART(2, oUERSTAT)
#define UFSTAT2			bUART(2, oUFSTAT)
#define UMSTAT2			bUART(2, oUMSTAT)
#define UTXH2			bUARTb(2, oUTXHL)
#define URXH2			bUARTb(2, oURXHL)
#define UBRDIV2			bUART(2, oUBRDIV)
/* ... */
#define UTRSTAT_TX_EMPTY	(1 << 2)
#define UTRSTAT_RX_READY	(1 << 0)
#define UART_ERR_MASK		0xF 

/* Interrupts */
#define INT_CTL_BASE		0x4A000000
#define bINT_CTL(Nb)		__REG(INT_CTL_BASE + (Nb))
/* Offset */
#define oSRCPND			0x00
#define oINTMOD			0x04