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| * This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products. No | |
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| * Copyright (C) 2012 Renesas Electronics Corporation. All rights reserved. | |
| ***********************************************************************************************************************/ | |
| /*********************************************************************************************************************** | |
| * File Name : flash_options.c | |
| * Device(s) : RX63x | |
| * Description : Some options of the RX63x are set through registers that are found in ROM. These registers and options | |
| * are defined in the 'Option-Setting Memory' section of the HW Manual. These memory locations are defined | |
| * below with descriptions of what is being set. | |
| ***********************************************************************************************************************/ | |
| /*********************************************************************************************************************** | |
| * History : DD.MM.YYYY Version Description | |
| * : 31.10.2011 1.00 First Release | |
| * : 13.03.2012 1.10 USER_BOOT_ENABLE macro from r_bsp_config.h is now used to set Option-Setting Memory | |
| * area to boot into User Boot Mode. | |
| ***********************************************************************************************************************/ | |
| /*********************************************************************************************************************** | |
| Includes <System Includes> , "Project Includes" | |
| ***********************************************************************************************************************/ | |
| /* Used for fixed-width typedefs. */ | |
| #include <stdint.h> | |
| /* Determines whether user boot is used or not. */ | |
| #include "platform.h" | |
| /* The UB Code A, UB Code B, and Endian select register B (MDEB) are located in the User Boot space. Immediately | |
| following the MDEB register is the User Boot Reset Vector so it is defined below as well. These settings will only | |
| be used when the MCU is reset in User Boot Mode. In order for the MCU to start up in User Boot Mode the following | |
| conditions must be met: | |
| 1) UB code A is 55736572h and 426F6F74h. | |
| 2) UB code B is FFFF FF07h and 0008 C04Ch. | |
| 3) The low level is being input on the MD pin. | |
| 4) The high level is being input on the PC7 pin. | |
| Please see the Option-Setting Memory section of your MCU's HW manual for more information. */ | |
| /* 0xFF7FFFE8 - 0xFF7FFFEF : UB Code A register | |
| 0xFF7FFFF0 - 0xFF7FFFF7 : UB Code B register | |
| 0xFF7FFFF8 - 0xFF7FFFFB : MDEB register | |
| 0xFF7FFFFC - 0xFF7FFFFF : User Boot Reset Vector */ | |
| #pragma address user_boot_settings = 0xFF7FFFE8 | |
| #if USER_BOOT_ENABLE == 1 | |
| extern void PowerON_Reset_PC(void); | |
| /* Use this array if you are using User Boot. Make sure to fill in valid address for UB Reset Vector. */ | |
| const uint32_t user_boot_settings[6] = | |
| { | |
| 0x55736572, //Required setting for UB Code A to get into User Boot | |
| 0x426f6f74, //Required setting for UB Code A to get into User Boot | |
| 0xffffff07, //Required setting for UB Code B to get into User Boot | |
| 0x0008c04c, //Required setting for UB Code B to get into User Boot | |
| /* Choose endian for user application code | |
| MDEB Register - Endian Select Register B | |
| b31:b3 Reserved (set to 1) | |
| b2:b0 MDE - Endian Select (0 = Big Endian, 7 = Little Endian) */ | |
| 0xFFFFFFFF, //Select Little Endian for User Boot Code | |
| (uint32_t) PowerON_Reset_PC //This is the User Boot Reset Vector. When using User Boot put in the reset address here | |
| }; | |
| #endif | |
| /* The Endian select register S (MDES), Option function select register 1 (OFS1), and Option function select register 0 | |
| (OFS0) are located in User ROM. */ | |
| /* 0xFFFFFF80 - 0xFFFFFF83 : MDES register | |
| 0xFFFFFF84 - 0xFFFFFF87 : Reserved space (0xFF's) | |
| 0xFFFFFF88 - 0xFFFFFF8B : OFS1 register | |
| 0xFFFFFF8C - 0xFFFFFF8F : OFS0 register */ | |
| #pragma address flash_options = 0xFFFFFF80 | |
| const uint32_t flash_options[] = | |
| { | |
| /* Choose endian for user application code | |
| MDES Register - Endian Select Register S | |
| b31:b3 Reserved (set to 1) | |
| b2:b0 MDE - Endian Select (0 = Big Endian, 7 = Little Endian) */ | |
| 0xFFFFFFFF, //Little Endian chosen for User Application | |
| 0xFFFFFFFF, //Reserved space | |
| /* Configure whether voltage detection 0 circuit and HOCO are enabled after reset. | |
| OFS1 - Option Function Select Register 1 | |
| b31:b9 Reserved (set to 1) | |
| b8 HOCOEN - Enable/disable HOCO oscillation after a reset (0=enable, 1=disable) | |
| b7:b3 Reserved (set to 1) | |
| b2 LVDAS - Choose to enable/disable Voltage Detection 0 Circuit after a reset (0=enable, 1=disable) | |
| b1:b0 Reserved (set to 1) */ | |
| 0xFFFFFFFF, //Both are disabled. | |
| /* Configure WDT and IWDT settings. | |
| OFS0 - Option Function Select Register 0 | |
| b31:b29 Reserved (set to 1) | |
| b28 WDTRSTIRQS - WDT Reset Interrupt Request - What to do on underflow (0=take interrupt, 1=reset MCU) | |
| b27:b26 WDTRPSS - WDT Window Start Position Select - (0=25%, 1=50%, 2=75%, 3=100%,don't use) | |
| b25:b24 WDTRPES - WDT Window End Position Select - (0=75%, 1=50%, 2=25%, 3=0%,don't use) | |
| b23:b20 WDTCKS - WDT Clock Frequency Division Ratio - (1=/4, 4=/64, 0xF=/128, 6=/512, 7=/2048, 8=/8192) | |
| b19:b18 WDTTOPS - WDT Timeout Period Select - (0=1024 cycles, 1=4096, 2=8192, 3=16384) | |
| b17 WDTSTRT - WDT Start Mode Select - (0=auto-start after reset, halt after reset) | |
| b16:b15 Reserved (set to 1) | |
| b14 IWDTSLCSTP - IWDT Sleep Mode Count Stop Control - (0=can't stop count, 1=stop w/some low power modes) | |
| b13 Reserved (set to 1) | |
| b12 IWDTRSTIRQS - IWDT Reset Interrupt Request - What to do on underflow (0=take interrupt, 1=reset MCU) | |
| b11:b10 IWDTRPSS - IWDT Window Start Position Select - (0=25%, 1=50%, 2=75%, 3=100%,don't use) | |
| b9:b8 IWDTRPES - IWDT Window End Position Select - (0=75%, 1=50%, 2=25%, 3=0%,don't use) | |
| b7:b4 IWDTCKS - IWDT Clock Frequency Division Ratio - (0=none, 2=/16, 3 = /32, 4=/64, 0xF=/128, 5=/256) | |
| b3:b2 IWDTTOPS - IWDT Timeout Period Select - (0=1024 cycles, 1=4096, 2=8192, 3=16384) | |
| b1 IWDTSTRT - IWDT Start Mode Select - (0=auto-start after reset, halt after reset) | |
| b0 Reserved (set to 1) */ | |
| 0xFFFFFFFF | |
| }; | |