| Mike Frysinger | d4d7730 | 2008-02-04 19:26:55 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * Lockbox/Security Masks |
| 3 | */ |
| 4 | |
| 5 | #ifndef __BFIN_PERIPHERAL_LOCKBOX__ |
| 6 | #define __BFIN_PERIPHERAL_LOCKBOX__ |
| 7 | |
| 8 | #ifndef __ASSEMBLY__ |
| 9 | |
| 10 | #include "bootrom.h" |
| 11 | |
| 12 | /* SESR argument structure. Expected to reside at 0xFF900018. */ |
| 13 | typedef struct SESR_args { |
| 14 | unsigned short usFlags; /* security firmware flags */ |
| 15 | unsigned short usIRQMask; /* interrupt mask */ |
| 16 | unsigned long ulMessageSize; /* message length in bytes */ |
| 17 | unsigned long ulSFEntryPoint; /* entry point of secure function */ |
| 18 | unsigned long ulMessagePtr; /* pointer to the buffer containing |
| 19 | the digital signature and message */ |
| 20 | unsigned long ulReserved1; /* reserved */ |
| 21 | unsigned long ulReserved2; /* reserved */ |
| 22 | } tSESR_args; |
| 23 | |
| 24 | /* Secure Entry Service Routine */ |
| 25 | void (* const sesr)(void) = (void *)_BOOTROM_SESR; |
| 26 | |
| 27 | #endif |
| 28 | |
| 29 | /* SESR flags argument bitfields */ |
| 30 | #define SESR_FLAGS_STAY_AT_NMI 0x0000 |
| 31 | #define SESR_FLAGS_DROP_BELOW_NMI 0x0001 |
| 32 | #define SESR_FLAGS_NO_SF_DMA 0x0000 |
| 33 | #define SESR_FLAGS_DMA_SF_TO_RUN_DEST 0x0002 |
| 34 | #define SESR_FLAGS_USE_ADI_PUB_KEY 0x0000 |
| 35 | #define SESR_FLAGS_USE_CUST_PUB_KEY 0x0100 |
| 36 | |
| 37 | /* Bit masks for SECURE_SYSSWT */ |
| 38 | #define EMUDABL 0x00000001 /* Emulation Disable */ |
| 39 | #define RSTDABL 0x00000002 /* Reset Disable */ |
| 40 | #define L1IDABL 0x0000001c /* L1 Instruction Memory Disable */ |
| 41 | #define L1DADABL 0x000000e0 /* L1 Data Bank A Memory Disable */ |
| 42 | #define L1DBDABL 0x00000700 /* L1 Data Bank B Memory Disable */ |
| 43 | #define DMA0OVR 0x00000800 /* DMA0 Memory Access Override */ |
| 44 | #define DMA1OVR 0x00001000 /* DMA1 Memory Access Override */ |
| 45 | #define EMUOVR 0x00004000 /* Emulation Override */ |
| 46 | #define OTPSEN 0x00008000 /* OTP Secrets Enable */ |
| 47 | #define L2DABL 0x00070000 /* L2 Memory Disable */ |
| 48 | |
| 49 | /* Bit masks for SECURE_CONTROL */ |
| 50 | #define SECURE0 0x0001 /* SECURE 0 */ |
| 51 | #define SECURE1 0x0002 /* SECURE 1 */ |
| 52 | #define SECURE2 0x0004 /* SECURE 2 */ |
| 53 | #define SECURE3 0x0008 /* SECURE 3 */ |
| 54 | |
| 55 | /* Bit masks for SECURE_STATUS */ |
| 56 | #define SECMODE 0x0003 /* Secured Mode Control State */ |
| 57 | #define NMI 0x0004 /* Non Maskable Interrupt */ |
| 58 | #define AFVALID 0x0008 /* Authentication Firmware Valid */ |
| 59 | #define AFEXIT 0x0010 /* Authentication Firmware Exit */ |
| 60 | #define SECSTAT 0x00e0 /* Secure Status */ |
| 61 | |
| 62 | #endif |