Diff: targets/TARGET_Realtek/TARGET_AMEBA/flash_api.c

Revision:

168:9672193075cf

Parent:

167:e84263d55307

Child:

170:19eb464bc2be

diff -r e84263d55307 -r 9672193075cf targets/TARGET_Realtek/TARGET_AMEBA/flash_api.c
--- a/targets/TARGET_Realtek/TARGET_AMEBA/flash_api.c	Wed Jun 21 17:46:44 2017 +0100
+++ b/targets/TARGET_Realtek/TARGET_AMEBA/flash_api.c	Thu Jul 06 15:42:05 2017 +0100
@@ -13,555 +13,58 @@
  * 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 "hal_spi_flash.h"
-#include "hal_platform.h"
-#include "rtl8195a_spi_flash.h"
-#include "hal_api.h"
-#include "flash_api.h"
-
-extern u32 ConfigDebugInfo;
-extern SPIC_INIT_PARA SpicInitParaAllClk[3][CPU_CLK_TYPE_NO];
-
-_LONG_CALL_
-extern VOID SpicWaitBusyDoneRtl8195A(VOID);
+#include "flash_ext.h"
 
-static int isinit = 0;
-static flash_t flashobj;
-    
-static void flash_init(flash_t * obj);
-static void flash_turnon();
-/**
-  * global data structure
-  */   
-//flash_t            flash;
-
-/**
-  * @brief  Control the flash chip write protect enable/disable
-  * @param  protect: 1/0: protect/unprotect
-  * @retval none
-  */   
-void flash_write_protect(flash_t *obj, uint32_t protect)
-{
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-    SpicWriteProtectFlashRtl8195A(protect);
-    SpicDisableRtl8195A();
-}
+#define FLASH_START       (SPI_FLASH_BASE + FLASH_OFS_START)
+#define FLASH_END         (SPI_FLASH_BASE + FLASH_OFS_END)
+#define FLASH_OFS(addr)   ((addr) - SPI_FLASH_BASE)
 
-/**
-  * @brief  Init Flash
-  * @param  obj: address of the flash object
-  * @retval   none
-  */
-void flash_init(flash_t *obj)
-{
-    //SPIC_INIT_PARA spic_init_para;
-
-    // Init SPI Flash Controller
-//    DBG_8195A("Initial Spi Flash Controller\n");
-    //SPI_FLASH_PIN_FCTRL(ON);
-
-    if (!SpicFlashInitRtl8195A(SpicOneBitMode)){
-
-        DBG_8195A("SPI Init Fail!!!!!!\n");
-        HAL_WRITE32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3, HAL_READ32(SYSTEM_CTRL_BASE, REG_SYS_DSTBY_INFO3)|0xf);
-    } else {
-        isinit = 1;
-    }
-    flashobj.SpicInitPara.flashtype = SpicInitParaAllClk[0][0].flashtype;
-    
-}
-void flash_turnon()
+int32_t flash_init(flash_t *obj)
 {
-    SPI_FLASH_PIN_FCTRL(ON);  
-    SpicWaitBusyDoneRtl8195A();
-}
-
-/**
-  * @brief  Erase flash sector
-  * @param  address: Specifies the starting address to be erased.
-  * @retval   none
-  */
-void flash_erase_sector(flash_t *obj, uint32_t address)
-{
-    flash_turnon();
+    __flash_ext_turnon();
 
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    SpicSectorEraseFlashRtl8195A(SPI_FLASH_BASE + address);
-    SpicDisableRtl8195A();
-}
-
-void flash_erase_block(flash_t *obj, uint32_t address)
-{
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    SpicBlockEraseFlashRtl8195A(SPI_FLASH_BASE + address);
-    SpicDisableRtl8195A();
+    return 0;
 }
 
-
-/**
-  * @brief  Read a word from specified address
-  * @param  obj: Specifies the parameter of flash object.
-  * @param  address: Specifies the address to be read.
-  * @param  data: Specified the address to save the readback data.
-  * @retval   status: Success:1 or Failure: Others.
-  */
-int  flash_read_word(flash_t *obj, uint32_t address, uint32_t * data)
+int32_t flash_free(flash_t *obj)
 {
-    
-    flash_turnon();
-    if(isinit == 0)
-        flash_init(&flashobj);
-    // Wait flash busy done (wip=0)
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-
-    * data = HAL_READ32(SPI_FLASH_BASE, address);
-    SpicDisableRtl8195A();
-
-    return 1;
-}
+    __flash_ext_turnoff();
 
-/**
-  * @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_write_word(flash_t *obj, uint32_t address, uint32_t data)
-{
-    u8 flashtype = 0;
-    
-    flash_turnon();
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-
-    flashtype = flashobj.SpicInitPara.flashtype;
-
-    //Write word
-    HAL_WRITE32(SPI_FLASH_BASE, address, data);
-
-    // Wait spic busy done
-    SpicWaitBusyDoneRtl8195A();
-    
-    // Wait flash busy done (wip=0)
-    if(flashtype == FLASH_MICRON){
-        SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-    } else
-        SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    
-    SpicDisableRtl8195A();
-    return 1;
+    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_stream_read(flash_t *obj, uint32_t address, uint32_t len, uint8_t * data)
+int32_t flash_erase_sector(flash_t *obj, uint32_t address)
 {
-    u32 offset_to_align;
-    u32 i;
-    u32 read_word;
-    uint8_t *ptr;
-    uint8_t *pbuf;
-    
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-
-    // Wait flash busy done (wip=0)
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
+    __flash_ext_erase_sector(obj, FLASH_OFS(address));
 
-    offset_to_align = address & 0x03;
-    pbuf = data;
-    if (offset_to_align != 0) {
-        // the start address is not 4-bytes aligned
-        read_word = HAL_READ32(SPI_FLASH_BASE, (address - offset_to_align));
-        ptr = (uint8_t*)&read_word + offset_to_align;
-        offset_to_align = 4 - offset_to_align;
-        for (i=0;i<offset_to_align;i++) {
-            *pbuf = *(ptr+i);
-            pbuf++;
-            len--;
-            if (len == 0) {
-                break;
-            }
-        }
-    }
-
-    address = (((address-1) >> 2) + 1) << 2;    // address = next 4-bytes aligned
-
-    ptr = (uint8_t*)&read_word;
-    if ((u32)pbuf & 0x03) {
-        while (len >= 4) {
-            read_word = HAL_READ32(SPI_FLASH_BASE, address);
-            for (i=0;i<4;i++) {
-                *pbuf = *(ptr+i);
-                pbuf++;
-            }
-            address += 4;
-            len -= 4;
-        }
-    } else {
-        while (len >= 4) {
-            *((u32 *)pbuf) = HAL_READ32(SPI_FLASH_BASE, address);
-            pbuf += 4;
-            address += 4;
-            len -= 4;
-        }
-    }
-
-    if (len > 0) {
-        read_word = HAL_READ32(SPI_FLASH_BASE, address);
-        for (i=0;i<len;i++) {
-            *pbuf = *(ptr+i);
-            pbuf++;
-        }        
-    }
-
-    SpicDisableRtl8195A();
-    return 1;
+    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_stream_write(flash_t *obj, uint32_t address, uint32_t len, uint8_t * data)
+int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
 {
-    u32 offset_to_align;
-    u32 align_addr;
-    u32 i;
-    u32 write_word;
-    uint8_t *ptr;
-    uint8_t *pbuf;
-    u8 flashtype = 0; 
-    
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-  
-    flashtype = flashobj.SpicInitPara.flashtype;
-    offset_to_align = address & 0x03;
-    pbuf = data;
-    if (offset_to_align != 0) {
-        // the start address is not 4-bytes aligned
-        align_addr = (address - offset_to_align);
-        write_word = HAL_READ32(SPI_FLASH_BASE, align_addr);        
-        ptr = (uint8_t*)&write_word + offset_to_align;
-        offset_to_align = 4 - offset_to_align;
-        for (i=0;i<offset_to_align;i++) {
-            *(ptr+i) = *pbuf;
-            pbuf++;
-            len--;
-            if (len == 0) {
-                break;
-            }
-        }
-        //Write word
-        HAL_WRITE32(SPI_FLASH_BASE, align_addr, write_word);
-        // Wait spic busy done
-        SpicWaitBusyDoneRtl8195A();
-        // Wait flash busy done (wip=0)
-        if(flashtype == FLASH_MICRON){
-            SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-        } else
-            SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-        
-
-    }
-
-    address = (((address-1) >> 2) + 1) << 2;    // address = next 4-bytes aligned
+    return __flash_ext_stream_write(obj, FLASH_OFS(address), size, data);
+}
 
-    if ((u32)pbuf & 0x03) {
-        while (len >= 4) {
-            write_word = (u32)(*pbuf) | ((u32)(*(pbuf+1)) << 8) | ((u32)(*(pbuf+2)) << 16) | ((u32)(*(pbuf+3)) << 24);
-            //Write word
-            HAL_WRITE32(SPI_FLASH_BASE, address, write_word);
-            // Wait spic busy done
-            SpicWaitBusyDoneRtl8195A();
-            // Wait flash busy done (wip=0)
-            if(flashtype == FLASH_MICRON){
-                SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-            } else
-                SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
+uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
+{
+    if (address < FLASH_START || address >= FLASH_END)
+        return 0;
 
-            pbuf += 4;
-            address += 4;
-            len -= 4;
-        }
-    } else {
-        while (len >= 4) {
-            //Write word
-            HAL_WRITE32(SPI_FLASH_BASE, address, (u32)*((u32 *)pbuf));
-            // Wait spic busy done
-            SpicWaitBusyDoneRtl8195A();
-            // Wait flash busy done (wip=0)
-            if(flashtype == FLASH_MICRON){
-                SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-            } else
-                SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-
-            pbuf += 4;
-            address += 4;
-            len -= 4;
-        }
-    }
-
-    if (len > 0) {
-        write_word = HAL_READ32(SPI_FLASH_BASE, address);
-        ptr = (uint8_t*)&write_word;
-        for (i=0;i<len;i++) {
-            *(ptr+i) = *pbuf;
-            pbuf++;
-        }
-        //Write word
-        HAL_WRITE32(SPI_FLASH_BASE, address, write_word);
-        // Wait spic busy done
-        SpicWaitBusyDoneRtl8195A();
-        // Wait flash busy done (wip=0)
-        if(flashtype == FLASH_MICRON){
-            SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
-        } else
-            SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-
-    }
-
-    SpicDisableRtl8195A();
-    return 1;
+    return FLASH_SECTOR_SIZE;
 }
 
-
-/*
-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_burst_write(flash_t *obj, uint32_t address ,uint32_t Length, uint8_t * data)
+uint32_t flash_get_page_size(const flash_t *obj)
 {
-
-    u32 OccuSize;
-    u32 ProgramSize;
-    u32 PageSize;
-    u8 flashtype = 0;
-
-    PageSize = 256;
-
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    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;
-    }
-    
-    SpicDisableRtl8195A();
-    return 1;
-}
-/**
-  * @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_burst_read(flash_t *obj, uint32_t address, uint32_t Length, uint8_t * data)
-{
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    // Wait flash busy done (wip=0)
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    SpicUserReadRtl8195A(Length, address, data, SpicOneBitMode);
-    SpicDisableRtl8195A();
-    return 1;
+    return FLASH_PAGE_SIZE;
 }
 
-int flash_get_status(flash_t *obj)
+uint32_t flash_get_start_address(const flash_t *obj)
 {
-    u8 Status = 0;
-
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    Status = SpicGetFlashStatusRefinedRtl8195A(flashobj.SpicInitPara);
-
-    SpicDisableRtl8195A();
-    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_set_status(flash_t *obj, uint32_t data)
-{
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    SpicSetFlashStatusRefinedRtl8195A(data, flashobj.SpicInitPara);
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    DBG_8195A("Status Register After Setting= %x\n", flash_get_status(&flashobj));
-    SpicDisableRtl8195A();
-    return 1;
+    return FLASH_START;
 }
 
-/*
-Function Description:
-This function aims to reset the status register, please make sure the operation is appropriate.
-*/
-void flash_reset_status(flash_t *obj)
+uint32_t flash_get_size(const flash_t *obj)
 {
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    SpicSetFlashStatusRefinedRtl8195A(0, flashobj.SpicInitPara);    
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    SpicDisableRtl8195A();
-}
-/*
-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_set_extend_addr(flash_t *obj, uint32_t data)
-{
-    flash_turnon();
-
-    if(isinit == 0)
-        flash_init(&flashobj);
-
-    SpicSetExtendAddrRtl8195A(data, flashobj.SpicInitPara);
-    SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
-    DBG_8195A("Extended Address Register After Setting= %x\n", flash_get_extend_addr(&flashobj));
-    SpicDisableRtl8195A();
-    return 1;
+    return FLASH_SIZE;
 }
 
-int flash_get_extend_addr(flash_t *obj)
-{
-    u8 Status = 0;
-    
-    flash_turnon();    
-    if(isinit == 0)
-        flash_init(&flashobj);
-    Status = SpicGetExtendAddrRtl8195A(flashobj.SpicInitPara);
-    
-    SpicDisableRtl8195A();
-    return Status;
-}
-
-