+++ /dev/null
-/***********************************************************************************************************************\r
-* DISCLAIMER\r
-* This software is supplied by Renesas Electronics Corporation and is only\r
-* intended for use with Renesas products. No other uses are authorized. This\r
-* software is owned by Renesas Electronics Corporation and is protected under\r
-* all applicable laws, including copyright laws.\r
-* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING\r
-* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT\r
-* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE\r
-* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.\r
-* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS\r
-* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE\r
-* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR\r
-* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE\r
-* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.\r
-* Renesas reserves the right, without notice, to make changes to this software\r
-* and to discontinue the availability of this software. By using this software,\r
-* you agree to the additional terms and conditions found by accessing the\r
-* following link:\r
-* http://www.renesas.com/disclaimer\r
-*\r
-* Copyright (C) 2014 Renesas Electronics Corporation. All rights reserved.\r
-***********************************************************************************************************************/\r
-/***********************************************************************************************************************\r
-* System Name : RZ/T1 Init program\r
-* File Name : r_ram_init.c\r
-* Version : 0.1\r
-* Device : R7S910018\r
-* Abstract : API for internal extended RAM function\r
-* Tool-Chain : GNUARM-NONEv14.02-EABI\r
-* OS : not use\r
-* H/W Platform : Renesas Starter Kit for RZ/T1(Preliminary)\r
-* Description : internal extended RAM setting API of RZ/T1\r
-* Limitation : none\r
-***********************************************************************************************************************/\r
-/***********************************************************************************************************************\r
-* History : DD.MM.YYYY Version Description\r
-* : 21.05.2015 1.00 First Release\r
-***********************************************************************************************************************/\r
-\r
-/***********************************************************************************************************************\r
-Includes <System Includes> , "Project Includes"\r
-***********************************************************************************************************************/\r
-#include <stdint.h>\r
-#include "iodefine.h"\r
-#include "r_system.h"\r
-#include "r_ram_init.h"\r
-#include "r_typedefs.h"\r
-\r
-/***********************************************************************************************************************\r
-Macro definitions\r
-***********************************************************************************************************************/\r
-#define RAM_ECC_ENABLE (0x00000001)\r
-#define RAM_ECC_DISABLE (0x00000000)\r
-#define RAM_PROTECT (0x00000000)\r
-\r
-/***********************************************************************************************************************\r
-Typedef definitions\r
-***********************************************************************************************************************/\r
-\r
-\r
-\r
-/***********************************************************************************************************************\r
-Imported global variables and functions (from other files)\r
-***********************************************************************************************************************/\r
-\r
-\r
-/***********************************************************************************************************************\r
-Exported global variables and functions (to be accessed by other files)\r
-***********************************************************************************************************************/\r
-\r
-\r
-\r
-/***********************************************************************************************************************\r
-Private variables and functions\r
-***********************************************************************************************************************/\r
-\r
-/***********************************************************************************************************************\r
-* Function Name : R_RAM_ECCEnable\r
-* Description : Enable ECC function for internal extended RAM.\r
-* Arguments : none\r
-* Return Value : none\r
-***********************************************************************************************************************/\r
-void R_RAM_ECCEnable(void)\r
-{\r
- /* Enables writing to the protected registers related to RAM function */\r
- R_RAM_WriteEnable();\r
- \r
- /* Enable ECC function */\r
- ECCRAM.RAMEDC.LONG = RAM_ECC_ENABLE;\r
- \r
- /* Disables writing to the protected registers related to RAM function */\r
- R_RAM_WriteDisable();\r
- \r
-}\r
-\r
-/***********************************************************************************************************************\r
- End of function R_RAM_ECCEnable\r
-***********************************************************************************************************************/\r
-\r
-\r
-/***********************************************************************************************************************\r
-* Function Name : R_RAM_WriteEnable\r
-* Description : Enable writing to the protected registers related to RAM.\r
-* And dummy read the register in order to fix the register value.\r
-* Arguments : none\r
-* Return Value : none\r
-***********************************************************************************************************************/\r
-void R_RAM_WriteEnable(void)\r
-{\r
- volatile uint32_t dummy=0;\r
-\r
- UNUSED_VARIABLE(dummy);\r
- \r
- /* Special sequence for protect release */\r
- ECCRAM.RAMPCMD.LONG = 0x000000A5; // Write fixed value 0x000000A5\r
- ECCRAM.RAMPCMD.LONG = 0x00000001; // Write expected value \r
- ECCRAM.RAMPCMD.LONG = 0x0000FFFE; // Write inverted value of the expected value\r
- ECCRAM.RAMPCMD.LONG = 0x00000001; // Write expected value again\r
- dummy = ECCRAM.RAMPCMD.LONG; \r
- \r
-}\r
-\r
-/***********************************************************************************************************************\r
- End of function R_RAM_WriteEnable\r
-***********************************************************************************************************************/\r
-\r
-/***********************************************************************************************************************\r
-* Function Name : R_RAM_WriteDisable\r
-* Description : Disable writing to the protected registers related to RAM.\r
-* And dummy read the register in order to fix the register value.\r
-* Arguments : none\r
-* Return Value : none\r
-***********************************************************************************************************************/\r
-void R_RAM_WriteDisable(void)\r
-{\r
- volatile uint32_t dummy=0;\r
-\r
- UNUSED_VARIABLE(dummy);\r
- \r
- /* Clear RAMPCMD register to zero */\r
- ECCRAM.RAMPCMD.LONG = RAM_PROTECT; \r
- dummy = ECCRAM.RAMPCMD.LONG; \r
- \r
-}\r
-\r
-/***********************************************************************************************************************\r
- End of function R_RAM_WriteDisable\r
-***********************************************************************************************************************/\r
-\r
-/* End of File */\r
-\r
-\r
projects / freertos / blobdiff