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[karo-tx-uboot.git] / include / asm-blackfin / mach-common / bits / lockbox.h
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 static 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