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Diffstat (limited to 'arch/arm/mach-tegra/tegra20/bct.h')
-rw-r--r--arch/arm/mach-tegra/tegra20/bct.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra20/bct.h b/arch/arm/mach-tegra/tegra20/bct.h
new file mode 100644
index 0000000000..4b78aef7cf
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra20/bct.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef _BCT_H_
+#define _BCT_H_
+
+/*
+ * Defines the BCT parametres for T20
+ */
+#define BCT_LENGTH 0xFE0
+#define BCT_HASH 0x10
+#define EBT_ALIGNMENT 0x10
+
+/*
+ * Defines the CMAC-AES-128 hash length in 32 bit words. (128 bits = 4 words)
+ */
+#define NVBOOT_CMAC_AES_HASH_LENGTH 4
+
+/*
+ * Defines the maximum number of bootloader descriptions in the BCT.
+ */
+#define NVBOOT_MAX_BOOTLOADERS 4
+
+struct nv_bootloader_info {
+ u32 version;
+ u32 start_blk;
+ u32 start_page;
+ u32 length;
+ u32 load_addr;
+ u32 entry_point;
+ u32 attribute;
+ u32 crypto_hash[NVBOOT_CMAC_AES_HASH_LENGTH];
+};
+
+struct nvboot_config_table {
+ u32 unused0[4];
+ u32 boot_data_version;
+ u32 unused1[668];
+ struct nv_bootloader_info bootloader[NVBOOT_MAX_BOOTLOADERS];
+ u32 unused2[508];
+};
+
+#endif /* _BCT_H_ */