X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=FreeRTOS%2FDemo%2FCORTEX_R4F_RZ_T_GCC_IAR_ARM%2FSystem%2FGCC%2Fsrc%2Fr_ram_init.c;fp=FreeRTOS%2FDemo%2FCORTEX_R4F_RZ_T_GCC_IAR_ARM%2FSystem%2FGCC%2Fsrc%2Fr_ram_init.c;h=0000000000000000000000000000000000000000;hb=5fd911e4d2fe8d365a5a3ed051538cd57c2550d2;hp=0decedda88dccdc81a2cde520be0380a5f7f28b7;hpb=f202e1f8d8212686671fd8f1d8d7b6246a0cb33b;p=freertos diff --git a/FreeRTOS/Demo/CORTEX_R4F_RZ_T_GCC_IAR_ARM/System/GCC/src/r_ram_init.c b/FreeRTOS/Demo/CORTEX_R4F_RZ_T_GCC_IAR_ARM/System/GCC/src/r_ram_init.c deleted file mode 100644 index 0decedda8..000000000 --- a/FreeRTOS/Demo/CORTEX_R4F_RZ_T_GCC_IAR_ARM/System/GCC/src/r_ram_init.c +++ /dev/null @@ -1,153 +0,0 @@ -/*********************************************************************************************************************** -* DISCLAIMER -* This software is supplied by Renesas Electronics Corporation and is only -* intended for use with Renesas products. No other uses are authorized. This -* software is owned by Renesas Electronics Corporation and is protected under -* all applicable laws, including copyright laws. -* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING -* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT -* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE -* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. -* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS -* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE -* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR -* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE -* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. -* Renesas reserves the right, without notice, to make changes to this software -* and to discontinue the availability of this software. By using this software, -* you agree to the additional terms and conditions found by accessing the -* following link: -* http://www.renesas.com/disclaimer -* -* Copyright (C) 2014 Renesas Electronics Corporation. All rights reserved. -***********************************************************************************************************************/ -/*********************************************************************************************************************** -* System Name : RZ/T1 Init program -* File Name : r_ram_init.c -* Version : 0.1 -* Device : R7S910018 -* Abstract : API for internal extended RAM function -* Tool-Chain : GNUARM-NONEv14.02-EABI -* OS : not use -* H/W Platform : Renesas Starter Kit for RZ/T1(Preliminary) -* Description : internal extended RAM setting API of RZ/T1 -* Limitation : none -***********************************************************************************************************************/ -/*********************************************************************************************************************** -* History : DD.MM.YYYY Version Description -* : 21.05.2015 1.00 First Release -***********************************************************************************************************************/ - -/*********************************************************************************************************************** -Includes , "Project Includes" -***********************************************************************************************************************/ -#include -#include "iodefine.h" -#include "r_system.h" -#include "r_ram_init.h" -#include "r_typedefs.h" - -/*********************************************************************************************************************** -Macro definitions -***********************************************************************************************************************/ -#define RAM_ECC_ENABLE (0x00000001) -#define RAM_ECC_DISABLE (0x00000000) -#define RAM_PROTECT (0x00000000) - -/*********************************************************************************************************************** -Typedef definitions -***********************************************************************************************************************/ - - - -/*********************************************************************************************************************** -Imported global variables and functions (from other files) -***********************************************************************************************************************/ - - -/*********************************************************************************************************************** -Exported global variables and functions (to be accessed by other files) -***********************************************************************************************************************/ - - - -/*********************************************************************************************************************** -Private variables and functions -***********************************************************************************************************************/ - -/*********************************************************************************************************************** -* Function Name : R_RAM_ECCEnable -* Description : Enable ECC function for internal extended RAM. -* Arguments : none -* Return Value : none -***********************************************************************************************************************/ -void R_RAM_ECCEnable(void) -{ - /* Enables writing to the protected registers related to RAM function */ - R_RAM_WriteEnable(); - - /* Enable ECC function */ - ECCRAM.RAMEDC.LONG = RAM_ECC_ENABLE; - - /* Disables writing to the protected registers related to RAM function */ - R_RAM_WriteDisable(); - -} - -/*********************************************************************************************************************** - End of function R_RAM_ECCEnable -***********************************************************************************************************************/ - - -/*********************************************************************************************************************** -* Function Name : R_RAM_WriteEnable -* Description : Enable writing to the protected registers related to RAM. -* And dummy read the register in order to fix the register value. -* Arguments : none -* Return Value : none -***********************************************************************************************************************/ -void R_RAM_WriteEnable(void) -{ - volatile uint32_t dummy=0; - - UNUSED_VARIABLE(dummy); - - /* Special sequence for protect release */ - ECCRAM.RAMPCMD.LONG = 0x000000A5; // Write fixed value 0x000000A5 - ECCRAM.RAMPCMD.LONG = 0x00000001; // Write expected value - ECCRAM.RAMPCMD.LONG = 0x0000FFFE; // Write inverted value of the expected value - ECCRAM.RAMPCMD.LONG = 0x00000001; // Write expected value again - dummy = ECCRAM.RAMPCMD.LONG; - -} - -/*********************************************************************************************************************** - End of function R_RAM_WriteEnable -***********************************************************************************************************************/ - -/*********************************************************************************************************************** -* Function Name : R_RAM_WriteDisable -* Description : Disable writing to the protected registers related to RAM. -* And dummy read the register in order to fix the register value. -* Arguments : none -* Return Value : none -***********************************************************************************************************************/ -void R_RAM_WriteDisable(void) -{ - volatile uint32_t dummy=0; - - UNUSED_VARIABLE(dummy); - - /* Clear RAMPCMD register to zero */ - ECCRAM.RAMPCMD.LONG = RAM_PROTECT; - dummy = ECCRAM.RAMPCMD.LONG; - -} - -/*********************************************************************************************************************** - End of function R_RAM_WriteDisable -***********************************************************************************************************************/ - -/* End of File */ - -