Martin Kojtal
forked
Diff: targets/TARGET_Realtek/TARGET_AMEBA/flash_api.c
- Revision:
- 168:9672193075cf
- Parent:
- 167:e84263d55307
- Child:
- 170:19eb464bc2be
--- 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;
-}
-
-