Diff: targets/TARGET_Realtek/TARGET_AMEBA/flash_ext.c

Revision:

182:57724642e740

Parent:

181:96ed750bd169

--- a/targets/TARGET_Realtek/TARGET_AMEBA/flash_ext.c	Wed Jan 17 15:23:54 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,467 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2013-2016 Realtek Semiconductor Corp.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "objects.h"
-#include "PinNames.h"
-#include "pinmap.h"
-
-#include "rtl8195a.h"
-#include "flash_ext.h"
-
-extern u32 ConfigDebugInfo;
-extern SPIC_INIT_PARA SpicInitParaAllClk[3][CPU_CLK_TYPE_NO];
-
-static int flash_inited = 0;
-static flash_t flashobj;
-static void flash_ext_init(void)
-{
-    if (!SpicFlashInitRtl8195A(SpicOneBitMode)){
-        HAL_WRITE32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3, HAL_READ32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3)|0xf);
-    } else {
-        flash_inited = 1;
-    }
-    flashobj.SpicInitPara.flashtype = SpicInitParaAllClk[0][0].flashtype;
-}
-
-void __flash_ext_turnon(void)
-{
-    SPI_FLASH_PIN_FCTRL(ON);
-    SpicWaitBusyDoneRtl8195A();
-
-    if (flash_inited == 0) {
-        flash_ext_init();
-    }
-}
-
-void __flash_ext_turnoff(void)
-{
-    SpicDisableRtl8195A();
-}
-
-void flash_ext_write_protect(flash_t *obj, uint32_t protect)
-{
-    __flash_ext_turnon();
-    SpicWriteProtectFlashRtl8195A(protect);
-    __flash_ext_turnoff();
-}
-
-void __flash_ext_erase_sector(flash_t *obj, uint32_t address)
-{
-    SpicSectorEraseFlashRtl8195A(SPI_FLASH_BASE+address);
-}
-
-void flash_ext_erase_sector(flash_t *obj, uint32_t address)
-{
-    __flash_ext_turnon();
-    __flash_ext_erase_sector(obj, address);
-    __flash_ext_turnoff();
-}
-
-void flash_ext_erase_block(flash_t *obj, uint32_t address)
-{
-    __flash_ext_turnon();
-    SpicBlockEraseFlashRtl8195A(SPI_FLASH_BASE+address);
-    __flash_ext_turnoff();
-}
-
-int flash_ext_read_word(flash_t *obj, uint32_t address, uint32_t *data)
-{
-    __flash_ext_turnon();
-
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    *data = HAL_READ32(SPI_FLASH_BASE, address);
-    __flash_ext_turnoff();
-    return 0;
-}
-
-/**
-  * @brief  Write a word to specified address
-  * @param  obj: Specifies the parameter of flash object.
-  * @param  address: Specifies the address to be programmed.
-  * @param  data: Specified the data to be programmed.
-  * @retval   status: Success:1 or Failure: Others.
-  */
-int flash_ext_write_word(flash_t *obj, uint32_t address, uint32_t data)
-{
-    u8 flashtype = 0;
-    __flash_ext_turnon();
-
-    flashtype = flashobj.SpicInitPara.flashtype;
-    HAL_WRITE32(SPI_FLASH_BASE, address, data);
-    SpicWaitBusyDoneRtl8195A();
-
-    if(flashtype == FLASH_MICRON){
-        SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-    } else {
-        SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    }
-
-    __flash_ext_turnoff();
-    return 0;
-}
-
-/**
-  * @brief  Read a stream of data from specified address
-  * @param  obj: Specifies the parameter of flash object.
-  * @param  address: Specifies the address to be read.
-  * @param  len: Specifies the length of the data to read.
-  * @param  data: Specified the address to save the readback data.
-  * @retval   status: Success:1 or Failure: Others.
-  */
-int flash_ext_stream_read(flash_t *obj, uint32_t addr, uint32_t len, uint8_t *data)
-{
-    uint32_t i, offset, word;
-    uint8_t *ptr, *pbuf;
-
-    __flash_ext_turnon();
-
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-
-    offset = addr & 0x03;
-    addr = addr & ~0x03;
-    pbuf = data;
-    if (offset != 0) {
-        word = HAL_READ32(SPI_FLASH_BASE, addr);
-        ptr = (uint8_t *)&word + offset;
-        offset = 4 - offset;
-        for (i = 0; i < offset && len > 0; i++, len--) {
-            *pbuf = *ptr;
-            pbuf++;
-            ptr++;
-        }
-    addr += 4;
-    }
-
-    ptr = (uint8_t *)&word;
-    if ((uint32_t)pbuf & 0x03) {
-        while (len >= 4) {
-            word = HAL_READ32(SPI_FLASH_BASE, addr);
-            for (i = 0; i < 4; i++) {
-                *pbuf = *(ptr+i);
-                pbuf++;
-            }
-            addr += 4;
-            len -= 4;
-        }
-    } else {
-        while (len >= 4) {
-            *((uint32_t *)pbuf) = HAL_READ32(SPI_FLASH_BASE, addr);
-            pbuf += 4;
-            addr += 4;
-            len -= 4;
-        }
-    }
-
-    if (len > 0) {
-        word = HAL_READ32(SPI_FLASH_BASE, addr);
-        for (i = 0; i < len; i++) {
-            *pbuf = *(ptr+i);
-            pbuf++;
-        }
-    }
-
-    __flash_ext_turnoff();
-    return 0;
-}
-
-/**
-  * @brief  Write a stream of data to specified address
-  * @param  obj: Specifies the parameter of flash object.
-  * @param  address: Specifies the address to be read.
-  * @param  len: Specifies the length of the data to write.
-  * @param  data: Specified the pointer of the data to be written.
-  * @retval   status: Success:1 or Failure: Others.
-  */
-int __flash_ext_stream_write(flash_t *obj, uint32_t addr, uint32_t len, const uint8_t *data)
-{
-    uint32_t i, offset, word;
-    const uint8_t*pbuf;
-    uint8_t *ptr;
-    u8 flashtype = 0;
-
-    offset = addr & 0x03;
-    addr = addr & ~0x03;
-    pbuf = data;
-    flashtype = flashobj.SpicInitPara.flashtype;
-
-    if (offset != 0) {
-        word = HAL_READ32(SPI_FLASH_BASE, addr);
-        ptr = (uint8_t *)&word + offset;
-        offset = 4 - offset;
-        for (i = 0; i < offset && len > 0; i++, len--) {
-            *ptr = *pbuf;
-            pbuf++;
-            ptr++;
-        }
-        HAL_WRITE32(SPI_FLASH_BASE, addr, word);
-        SpicWaitBusyDoneRtl8195A();
-
-        if(flashtype == FLASH_MICRON){
-            SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-        } else {
-            SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-        }
-        addr += 4;
-    }
-
-    if ((uint32_t)pbuf & 0x03) {
-        while (len >= 4) {
-            word = (uint32_t)(*pbuf) | ((uint32_t)(*(pbuf+1)) << 8)|
-                ((uint32_t)(*(pbuf+2)) << 16) | ((uint32_t)(*(pbuf+3)) << 24);
-            HAL_WRITE32(SPI_FLASH_BASE, addr, word);
-            SpicWaitBusyDoneRtl8195A();
-
-            if(flashtype == FLASH_MICRON){
-                SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-            } else {
-                SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-            }
-
-            pbuf += 4;
-            addr += 4;
-            len -= 4;
-        }
-    } else {
-        while (len >= 4) {
-            HAL_WRITE32(SPI_FLASH_BASE, addr, (uint32_t)*((uint32_t *)pbuf));
-            SpicWaitBusyDoneRtl8195A();
-
-            if(flashtype == FLASH_MICRON){
-                SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-            } else {
-                SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-            }
-
-            pbuf += 4;
-            addr += 4;
-            len -= 4;
-        }
-    }
-
-    if (len > 0) {
-        word = HAL_READ32(SPI_FLASH_BASE, addr);
-        ptr = (uint8_t*)&word;
-        for (i = 0; i < len; i++) {
-            *(ptr+i) = *pbuf;
-            pbuf++;
-        }
-
-        HAL_WRITE32(SPI_FLASH_BASE, addr, word);
-        SpicWaitBusyDoneRtl8195A();
-
-        if(flashtype == FLASH_MICRON){
-            SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-        } else {
-            SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-        }
-    }
-
-    return 0;
-}
-
-int flash_ext_stream_write(flash_t *obj, uint32_t addr, uint32_t len, const uint8_t *data)
-{
-    int32_t status;
-
-    __flash_ext_turnon();
-    status = __flash_ext_stream_write(obj, addr, len, data);
-    __flash_ext_turnoff();
-
-    return status;
-}
-
-int flash_stream_read(flash_t *obj, uint32_t addr, uint32_t len, uint8_t *data)
-{
-    return flash_ext_stream_read(obj, addr, len, data);
-}
-
-int flash_stream_write(flash_t *obj, uint32_t addr, uint32_t len, const uint8_t *data)
-{
-    return flash_ext_stream_write(obj, addr, len, data);
-}
-
-/*
-Function Description:
-This function performans the same functionality as the function flash_stream_write.
-It enhances write performance by reducing overheads.
-Users can use either of functions depending on their needs.
-
-* @brief  Write a stream of data to specified address
-* @param  obj: Specifies the parameter of flash object.
-* @param  address: Specifies the address to be read.
-* @param  length: Specifies the length of the data to write.
-* @param  data: Specified the pointer of the data to be written.
-* @retval   status: Success:1 or Failure: Others.
-
-*/
-
-int flash_ext_burst_write(flash_t *obj, uint32_t address ,uint32_t length, uint8_t *data)
-{
-    u32 OccuSize;
-    u32 ProgramSize;
-    u32 PageSize;
-    u8 flashtype = 0;
-
-    PageSize = 256;
-
-    __flash_ext_turnon();
-
-    flashtype = flashobj.SpicInitPara.flashtype;
-    OccuSize = address & 0xFF;
-    if((length >= PageSize) ||((length + OccuSize) >= PageSize)){
-        ProgramSize = PageSize - OccuSize;
-    } else {
-        ProgramSize = length;
-    }
-
-    flashobj.Length = length;
-    while(length > 0){
-        if(OccuSize){
-            SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address, &(flashobj.Length));
-                // Wait spic busy done
-            SpicWaitBusyDoneRtl8195A();
-            // Wait flash busy done (wip=0)
-            if(flashtype == FLASH_MICRON){
-                SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-            } else {
-                SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-            }
-
-            address += ProgramSize;
-            data += ProgramSize;
-            length -= ProgramSize;
-            OccuSize = 0;
-        } else{
-            while((flashobj.Length) >= PageSize){
-                SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address, &(flashobj.Length));
-                    // Wait spic busy done
-                SpicWaitBusyDoneRtl8195A();
-                // Wait flash busy done (wip=0)
-                if(flashtype == FLASH_MICRON){
-                    SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-                } else {
-                    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-                }
-
-                address += PageSize;
-                data += PageSize;
-                length -= PageSize;
-            }
-            flashobj.Length = length;
-            if((flashobj.Length)  > 0){
-                SpicUserProgramRtl8195A(data, flashobj.SpicInitPara, address, &(flashobj.Length));
-                    // Wait spic busy done
-                SpicWaitBusyDoneRtl8195A();
-                // Wait flash busy done (wip=0)
-                if(flashtype == FLASH_MICRON){
-                    SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-                } else {
-                    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-                }
-
-                break;
-            }
-        }
-        flashobj.Length = length;
-    }
-    __flash_ext_turnoff();
-    return 0;
-
-}
-/**
-  * @brief  Read a stream of data from specified address
-  * @param  obj: Specifies the parameter of flash object.
-  * @param  address: Specifies the address to be read.
-  * @param  len: Specifies the length of the data to read.
-  * @param  data: Specified the address to save the readback data.
-  * @retval   status: Success:1 or Failure: Others.
-  */
-
-int flash_ext_burst_read(flash_t *obj, uint32_t address, uint32_t length, uint8_t *data)
-{
-    __flash_ext_turnon();
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    SpicUserReadRtl8195A(length, address, data, SpicOneBitMode);
-    __flash_ext_turnoff();
-    return 0;
-}
-
-int flash_ext_get_status(flash_t *obj)
-{
-    uint8_t status = 0;
-
-    __flash_ext_turnon();
-    status = SpicGetFlashStatusRefinedRtl8195A(flashobj.SpicInitPara);
-    __flash_ext_turnoff();
-    return status;
-}
-
-/*
-Function Description:
-Please refer to the datatsheet of flash for more details of the content of status register.
-The block protected area and the corresponding control bits are provided in the flash datasheet.
-
-* @brief  Set Status register to enable desired operation
-* @param  obj: Specifies the parameter of flash object.
-* @param  data: Specifies which bit users like to set
-   ex: if users want to set the third bit, data = 0x8.
-
-*/
-int flash_ext_set_status(flash_t *obj, uint32_t data)
-{
-    __flash_ext_turnon();
-    SpicSetFlashStatusRefinedRtl8195A(data, flashobj.SpicInitPara);
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    __flash_ext_turnoff();
-    return 0;
-}
-
-/*
-Function Description:
-This function aims to reset the status register, please make sure the operation is appropriate.
-*/
-void flash_ext_reset_status(flash_t *obj)
-{
-    __flash_ext_turnon();
-    SpicSetFlashStatusRefinedRtl8195A(0, flashobj.SpicInitPara);
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    __flash_ext_turnoff();
-}
-
-int flash_ext_get_extend_addr(flash_t *obj)
-{
-    uint8_t addr = 0;
-
-    __flash_ext_turnon();
-    addr = SpicGetExtendAddrRtl8195A(flashobj.SpicInitPara);
-    __flash_ext_turnoff();
-    return addr;
-}
-/*
-Function Description:
-This function is only for Micron 512Mbit flash to access beyond 128Mbit by switching between four 128 Mbit area.
-Please refer to flash datasheet for more information about memory mapping.
-*/
-
-int flash_ext_set_extend_addr(flash_t *obj, uint32_t data)
-{
-    __flash_ext_turnon();
-    SpicSetExtendAddrRtl8195A(data, flashobj.SpicInitPara);
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    __flash_ext_turnoff();
-    return 0;
-}
-
-