regs.h

spi_boot_example.tar.gz可以为大家在使用 Cirrus logic的ARM9芯片是提供帮助

/*==================================================================
 *
 *  This file is part of a small Nand flash bootloader designed to
 *  be loaded via EP93xx SPI boot.
 *
 *  Copyright Cirrus Logic Corporation, 2007.  All rights reserved
 *
 ==================================================================*/

#ifndef _regs_h_
#define _regs_h_

#define SDRAM_GLCONFIG	0x80060004
#define SDRAM_REFRESH	0x80060008
#define SDRAM_DEVCFG	0x80060010

#define SYSCON_CLKSET1	0x80930020
#define SYSCON_CLKSET2	0x80930024

#define BOOTMODECLR	0x80930058
#define SYSCFG		0x8093009c
#define SBOOT_BIT	(1<<8)

//GPIO Registers

#define PADR		0x80840000
#define PADDR		0x80840010
#define PEDR		0x80840020
#define PEDDR		0x80840024
#define PBDR		0x80840004
#define PBDDR		0x80840014

#define SWLOCK		0x809300c0
#define DEVCFG		0x80930080
#define PWRCNT		0x80930004
#define WATCHDOG	0x80940000

//-----------------------------------------------------------------------------
// DEV_CFG Register Defines
//-----------------------------------------------------------------------------
#define SYSCON_DEVCFG_U0EN             (1<<18)

#define UART0DR			0x808c0000
#define UART0LINCTRLHIGH	0x808c0008
#define UART0LINCTRLMID		0x808c000c
#define UART0LINCTRLLOW		0x808c0010
#define UART0CTRL		0x808c0014
#define UART0FLAG		0x808c0018

#define SDRAM_GLCONFIG	0x80060004
#define SDRAM_REFRESH	0x80060008
#define SDRAM_DEVCFG	0x80060010

#define SYSCON_CLKSET1	0x80930020
#define SYSCON_CLKSET2	0x80930024


// SYSTEM constants

#define SYSTEM_CLOCK	14745600
#define BOOT_BAUDRATE	57600

#define INTERNAL_SRAM   	0x80014000
#define INTERNAL_SRAM_END   	0x800150fc

#define SDRAM_LOCATION 	0xc0000000

#endif //_regs_h_