1 files changed, 62 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/mach-common/bits/lockbox.h b/arch/blackfin/include/asm/mach-common/bits/lockbox.h
new file mode 100644
index 000000000..77f849e8f
--- /dev/null
+++ b/arch/blackfin/include/asm/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 */
+static 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