Primary Bootloader (before u-boot) in sysmoBTSv2
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/*
* common.h - common definitions
*
* Copyright (C) 2008 Hugo Villeneuve <hugo@hugovil.com>
*
* Based on TI DaVinci Flash and Boot Utilities, original copyright follows:
* Copyright 2008 Texas Instruments, Inc. <www.ti.com>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _COMMON_H_
#define _COMMON_H_
#include <stdint.h>
#include <stdbool.h>
#include <string.h> /* For size_t */
#include "board.h"
/* Return types */
#define E_PASS 0
#define E_FAIL 1
#define E_TIMEOUT 2
/* Define this to have more verbose NAND debug messages */
/* #define NAND_DEBUG 1 */
/* Define this to write a RAMP into NAND for debugging. */
/* #define NAND_DEBUG_WRITE_RAMP 1 */
#if defined(board_sysmobts_v2)
#define UBL_VERSION_STR "sysmobts_v2 Loader v1.1.0a (" __DATE__ "-" __TIME__ ")"
#else
#define UBL_VERSION_STR "HV-UBL v0.2.11"
#endif
/* Define this for bypassing the ECC check when reading from the NAND.
* This is useful for debugging or during development. */
//#define NAND_BYPASS_READ_PAGE_ECC_CHECK 1
#define MAGIC_NUMBER_MASK 0xFFFFFF00
#define MAGIC_NUMBER_VALID 0xA1ACED00
/* RBL magic numbers */
#define RBL_MAGIC_SAFE 0xA1ACED00 /* Describes UBL flash image type for
* RBL. */
/* UBL magic numbers */
#define UBL_MAGIC_BIN_IMG 0xA1ACED66 /* Describes binary flash image type
* for UBL. */
/* UBL commands */
#define UBL_CMD_FLASH_UBL_APP 0xA1ACEDCC /* Download UBL & application via
* UART and burn in flash. */
#define UBL_CMD_FLASH_DATA 0xA1ACEDCD /* Download data via UART and
* burn in flash (no header in flash). */
#define UBL_CMD_FLASH_ERASE 0xA1ACEDCE /* Erase the whole flash. */
#define UBL_CMD_RUN_APP 0xA1ACEDDD /* Load and run application via UART. */
#define UBL_CMD_DDR_TEST 0xA1ACEDEE /* Test DDR2 memory. */
/* Define maximum downloadable image size */
#define MAX_IMAGE_SIZE 0xC00000 /* 12 Mbytes */
struct nor_boot_t {
uint32_t magicNum;
uint32_t entryPoint;
uint32_t appSize;
uint32_t ldAddress; /* Starting RAM address where image is to copied - XIP Mode */
};
enum bootmode_t {
NON_SECURE_NAND = 0, /* Non-secure NAND mode */
NON_SECURE_NOR, /* Non-secure NOR mode */
UNKNOWN_MODE, /* Unknown mode */
NON_SECURE_UART /* Non-secure UART mode */
};
#define ENDIAN_SWAP(a) (((a&0xFF)<<24)|((a&0xFF0000)>>8)|((a&0xFF00)<<8)|((a&0xFF000000)>>24))
/* Log functions */
#define log_fail(_x_) uart_send_str_lf(_x_)
#define log_info(_x_) uart_send_str_lf(_x_)
#define log_debug(_x_) uart_send_str_lf(_x_)
#define host_msg(_x_) uart_send_str_lf(_x_)
#endif /* _COMMON_H_ */