diff options
Diffstat (limited to 'include/asm-blackfin/mach-common/bits/lockbox.h')
| -rw-r--r-- | include/asm-blackfin/mach-common/bits/lockbox.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/include/asm-blackfin/mach-common/bits/lockbox.h b/include/asm-blackfin/mach-common/bits/lockbox.h new file mode 100644 index 0000000000..09310e1e20 --- /dev/null +++ b/include/asm-blackfin/mach-common/bits/lockbox.h @@ -0,0 +1,62 @@ +/* + * 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 |
