63 lines
2.7 KiB
C
63 lines
2.7 KiB
C
/*
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* Lockbox/Security Masks
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*/
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#ifndef __BFIN_PERIPHERAL_LOCKBOX__
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#define __BFIN_PERIPHERAL_LOCKBOX__
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#ifndef __ASSEMBLY__
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#include "bootrom.h"
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/* SESR argument structure. Expected to reside at 0xFF900018. */
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typedef struct SESR_args {
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unsigned short usFlags; /* security firmware flags */
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unsigned short usIRQMask; /* interrupt mask */
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unsigned long ulMessageSize; /* message length in bytes */
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unsigned long ulSFEntryPoint; /* entry point of secure function */
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unsigned long ulMessagePtr; /* pointer to the buffer containing
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the digital signature and message */
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unsigned long ulReserved1; /* reserved */
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unsigned long ulReserved2; /* reserved */
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} tSESR_args;
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/* Secure Entry Service Routine */
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static void (* const sesr)(void) = (void *)_BOOTROM_SESR;
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#endif
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/* SESR flags argument bitfields */
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#define SESR_FLAGS_STAY_AT_NMI 0x0000
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#define SESR_FLAGS_DROP_BELOW_NMI 0x0001
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#define SESR_FLAGS_NO_SF_DMA 0x0000
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#define SESR_FLAGS_DMA_SF_TO_RUN_DEST 0x0002
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#define SESR_FLAGS_USE_ADI_PUB_KEY 0x0000
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#define SESR_FLAGS_USE_CUST_PUB_KEY 0x0100
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/* Bit masks for SECURE_SYSSWT */
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#define EMUDABL 0x00000001 /* Emulation Disable */
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#define RSTDABL 0x00000002 /* Reset Disable */
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#define L1IDABL 0x0000001c /* L1 Instruction Memory Disable */
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#define L1DADABL 0x000000e0 /* L1 Data Bank A Memory Disable */
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#define L1DBDABL 0x00000700 /* L1 Data Bank B Memory Disable */
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#define DMA0OVR 0x00000800 /* DMA0 Memory Access Override */
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#define DMA1OVR 0x00001000 /* DMA1 Memory Access Override */
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#define EMUOVR 0x00004000 /* Emulation Override */
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#define OTPSEN 0x00008000 /* OTP Secrets Enable */
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#define L2DABL 0x00070000 /* L2 Memory Disable */
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/* Bit masks for SECURE_CONTROL */
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#define SECURE0 0x0001 /* SECURE 0 */
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#define SECURE1 0x0002 /* SECURE 1 */
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#define SECURE2 0x0004 /* SECURE 2 */
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#define SECURE3 0x0008 /* SECURE 3 */
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/* Bit masks for SECURE_STATUS */
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#define SECMODE 0x0003 /* Secured Mode Control State */
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#define NMI 0x0004 /* Non Maskable Interrupt */
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#define AFVALID 0x0008 /* Authentication Firmware Valid */
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#define AFEXIT 0x0010 /* Authentication Firmware Exit */
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#define SECSTAT 0x00e0 /* Secure Status */
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#endif
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