Tegra2: implement Warmboot code and lp0_vec

arch/arm/include/asm/arch-tegra2/warmboot.h

+/*
+ * (C) Copyright 2010
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/**
+ * Defines the warm boot 0 information for the boot rom.
+ */
+
+#ifndef INCLUDED_WARM_BOOT_H
+#define INCLUDED_WARM_BOOT_H
+
+#include <asm/arch/nvcommon.h>
+#include <asm/arch/nvboot_error.h>
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+/**
+ * Defines the supported operating modes.
+ */
+typedef enum
+{
+        nvbl_mode_production = 3,
+
+        /* Undefined. */
+        nvbl_mode_undefined,
+
+        /* Ignore -- Forces compilers to make 32-bit enums. */
+        nvbl_mode_force32 = 0x7FFFFFFF
+} nvbl_operating_mode;
+
+/**
+ * Defines the CMAC-AES-128 hash length in 32 bit words. (128 bits = 4 words)
+ */
+enum {HASH_LENGTH = 4};
+
+/**
+ * Defines the storage for a hash value (128 bits).
+ */
+typedef struct nvboot_hash_rec
+{
+        NvU32 hash[HASH_LENGTH];
+} nvboot_hash;
+
+/**
+ * Defines the code header information for the boot rom.
+ *
+ * The code immediately follows the code header.
+ *
+ * Note that the code header needs to be 16 bytes aligned to preserve
+ * the alignment of relevant data for hash and decryption computations without
+ * requiring extra copies to temporary memory areas.
+ */
+typedef struct nvboot_wb_header_rec
+{
+        /* Specifies the length of the code header */
+        NvU32           length_in_secure;
+
+        /* Specifies the reserved words to maintain alignment */
+        NvU32           reserved[3];
+
+        /* Specifies the hash computed over the header and code,
+         * starting at random_aes_block.
+         */
+        nvboot_hash     hash;
+
+        /*  Specifies the random block of data which is not validated but
+         *  aids security.
+         */
+        nvboot_hash     random_aes_block;
+
+        /*  Specifies the length of the code header */
+        NvU32           length_secure;
+
+        /*  Specifies the starting address of the code in the
+         *  destination area.
+         */
+        NvU32           destination;
+
+        /*  Specifies the entry point of the code in the destination area. */
+        NvU32           entry_point;
+
+        /* Specifies the length of the code */
+        NvU32           code_length;
+} nvboot_wb_header;
+
+typedef struct nv_fuse_hal_rec
+{
+        NvBool (*is_odm_production_mode)(void);
+        NvBool (*is_nv_production_mode)(void);
+} nv_fuse_hal;
+
+NvBootError prepare_wb_code(NvU32 seg_address, NvU32 seg_length);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* #ifndef INCLUDED_WARM_BOOT_H */