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Diffstat (limited to 'include/asm-blackfin/mach-common/bits/lockbox.h')
-rw-r--r--include/asm-blackfin/mach-common/bits/lockbox.h62
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 0000000..09310e1
--- /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