mx6: hab: add function to authenticate any data blob via HAB

[karo-tx-uboot.git] / arch / arm / include / asm / arch-mx6 / hab.h

diff --git a/arch/arm/include/asm/arch-mx6/hab.h b/arch/arm/include/asm/arch-mx6/hab.h
index 770327cceface34a64032eb37e91d6111201daab..f3e2dc89ea7e213e47887d1a8724d8e40251966b 100644 (file)
--- a/arch/arm/include/asm/arch-mx6/hab.h
+++ b/arch/arm/include/asm/arch-mx6/hab.h
@@ -14,6 +14,39 @@
 #include <asm/arch/sys_proto.h>
 
 int get_hab_status(void);
+/*
+ * IVT header definitions
+ * Security Reference Manual for i.MX 7Dual and 7Solo Applications Processors,
+ * Rev. 0, 03/2017
+ * Section : 6.7.1.1
+ */
+#define IVT_HEADER_MAGIC       0xD1
+#define IVT_TOTAL_LENGTH       0x20
+#define IVT_HEADER_V1          0x40
+#define IVT_HEADER_V2          0x41
+
+struct __packed ivt_header {
+       uint8_t         magic;
+       uint16_t        length;
+       uint8_t         version;
+};
+
+struct ivt {
+       struct ivt_header hdr;  /* IVT header above */
+       uint32_t entry;         /* Absolute address of first instruction */
+       uint32_t reserved1;     /* Reserved should be zero */
+       uint32_t dcd;           /* Absolute address of the image DCD */
+       uint32_t boot;          /* Absolute address of the boot data */
+       uint32_t self;          /* Absolute address of the IVT */
+       uint32_t csf;           /* Absolute address of the CSF */
+       uint32_t reserved2;     /* Reserved should be zero */
+};
+
+struct __packed hab_hdr {
+       u8 tag;                 /* Tag field */
+       u8 len[2];              /* Length field in bytes (big-endian) */
+       u8 par;                 /* Parameters field */
+};
 
 /* -------- start of HAB API updates ------------*/
 /* The following are taken from HAB4 SIS */
@@ -200,6 +233,11 @@ static inline void **hab_rvt_base(void)
 #define HAB_CID_ROM 0 /**< ROM Caller ID */
 #define HAB_CID_UBOOT 1 /**< UBOOT Caller ID*/
 
+#define HAB_CMD_HDR          0xD4  /* CSF Header */
+#define HAB_CMD_WRT_DAT      0xCC  /* Write Data command tag */
+#define HAB_CMD_CHK_DAT      0xCF  /* Check Data command tag */
+#define HAB_CMD_SET          0xB1  /* Set command tag */
+#define HAB_PAR_MID          0x01  /* MID parameter value */
 /* ----------- end of HAB API updates ------------*/
 
 #define hab_rvt_entry_p                                                \
@@ -270,7 +308,7 @@ static inline rt hab_rvt_##n(t1 p1, t2 p2, t3 p3, t4 p4)            \
 }
 
 #define HAB_FUNC5(n, rt, t1, t2, t3, t4, t5)                           \
-static inline rt hab_rvt_##n(t1 p1, t2 p2, t3 p3, t4 p4, t5 p5)                \
+static inline rt hab_rvt_##n(t1 p1, t2 p2, t3 p3, t4 p4, t5 p5)        \
 {                                                                      \
        if (hab_rvt_base() == NULL)                                     \
                return (rt)-1;                                          \