lockbox.h

uboot详细解读可用启动引导LINUX2.6内核

/*
 * Lockbox/Security Masks
 */

#ifndef __BFIN_PERIPHERAL_LOCKBOX__
#define __BFIN_PERIPHERAL_LOCKBOX__

#ifndef __ASSEMBLY__

#include "bootrom.h"

/* SESR argument structure. Expected to reside at 0xFF900018. */
typedef struct SESR_args {
	unsigned short usFlags;		/* security firmware flags		*/
	unsigned short usIRQMask;	/* interrupt mask			*/
	unsigned long ulMessageSize;	/* message length in bytes		*/
	unsigned long ulSFEntryPoint;	/* entry point of secure function	*/
	unsigned long ulMessagePtr;	/* pointer to the buffer containing	*/
					/* the digital signature and message	*/
	unsigned long ulReserved1;	/* reserved				*/
	unsigned long ulReserved2;	/* reserved				*/
} tSESR_args;

/* Secure Entry Service Routine */
void (* const sesr)(void) = (void *)_BOOTROM_SESR;

#endif

/* SESR flags argument bitfields					    */
#define SESR_FLAGS_STAY_AT_NMI		    0x0000
#define SESR_FLAGS_DROP_BELOW_NMI	    0x0001
#define SESR_FLAGS_NO_SF_DMA		    0x0000
#define SESR_FLAGS_DMA_SF_TO_RUN_DEST	    0x0002
#define SESR_FLAGS_USE_ADI_PUB_KEY	    0x0000
#define SESR_FLAGS_USE_CUST_PUB_KEY	    0x0100

/* Bit masks for SECURE_SYSSWT */
#define EMUDABL		       0x00000001    /* Emulation Disable */
#define RSTDABL		       0x00000002    /* Reset Disable */
#define L1IDABL		       0x0000001c    /* L1 Instruction Memory Disable */
#define L1DADABL	       0x000000e0    /* L1 Data Bank A Memory Disable */
#define L1DBDABL	       0x00000700    /* L1 Data Bank B Memory Disable */
#define DMA0OVR		       0x00000800    /* DMA0 Memory Access Override */
#define DMA1OVR		       0x00001000    /* DMA1 Memory Access Override */
#define EMUOVR		       0x00004000    /* Emulation Override */
#define OTPSEN		       0x00008000    /* OTP Secrets Enable */
#define L2DABL		       0x00070000    /* L2 Memory Disable */

/* Bit masks for SECURE_CONTROL */
#define SECURE0		       0x0001	     /* SECURE 0 */
#define SECURE1		       0x0002	     /* SECURE 1 */
#define SECURE2		       0x0004	     /* SECURE 2 */
#define SECURE3		       0x0008	     /* SECURE 3 */

/* Bit masks for SECURE_STATUS */
#define SECMODE		       0x0003	     /* Secured Mode Control State */
#define NMI		       0x0004	     /* Non Maskable Interrupt */
#define AFVALID		       0x0008	     /* Authentication Firmware Valid */
#define AFEXIT		       0x0010	     /* Authentication Firmware Exit */
#define SECSTAT		       0x00e0	     /* Secure Status */

#endif